kernel.git - Linux vanilla kernels for Fedora – https://fedoraproject.org/wiki/Kernel_Vanilla

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author	Laura Abbott <labbott@redhat.com>	2017-11-20 10:00:57 -0800
committer	Laura Abbott <labbott@redhat.com>	2017-11-20 10:01:00 -0800
commit	0805625aea4a35fb8aae0c37e06da6921e8029ac (patch)
tree	36e1188d98a3a58e26349bbaa79f8ac5f9697093
parent	8221dd34f7fb80fdeccd6db30a623514134e2b4d (diff)
download	kernel-0805625aea4a35fb8aae0c37e06da6921e8029ac.tar.gz kernel-0805625aea4a35fb8aae0c37e06da6921e8029ac.tar.xz kernel-0805625aea4a35fb8aae0c37e06da6921e8029ac.zip

Linux v4.14-12891-gc8a0739b185d

Also turn off a powerpc crypto drive that was failing to compile

Diffstat

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0001-platform-x86-peaq-wmi-Add-DMI-check-before-binding-t.patch

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configs/base-generic/CONFIG_GUP_BENCHMARK

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configs/base-generic/CONFIG_HWSPINLOCK

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configs/base-generic/CONFIG_NTB_SWITCHTEC

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configs/base-generic/CONFIG_RPMSG_VIRTIO

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configs/base-generic/CONFIG_TEST_FIND_BIT

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configs/base-generic/powerpc/CONFIG_CRYPTO_DEV_NX

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configs/base-generic/x86/CONFIG_DELL_SMBIOS_SMM

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configs/base-generic/x86/CONFIG_DELL_SMBIOS_WMI

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configs/base-generic/x86/CONFIG_INTEL_WMI_THUNDERBOLT

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criu-no-expert.patch

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gitrev

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kernel-aarch64-debug.config

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kernel-aarch64.config

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kernel-armv7hl-debug.config

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kernel-armv7hl-lpae-debug.config

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kernel-armv7hl-lpae.config

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kernel-armv7hl.config

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kernel-i686-PAE.config

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kernel-i686-PAEdebug.config

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kernel-i686-debug.config

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kernel-i686.config

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kernel-ppc64-debug.config

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kernel-ppc64.config

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kernel-ppc64le-debug.config

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kernel-ppc64le.config

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kernel-s390x-debug.config

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kernel-s390x.config

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kernel-x86_64-debug.config

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kernel-x86_64.config

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kernel.spec

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sources

32 files changed, 142 insertions, 113 deletions

/******************************************************************************* * Copyright (c) 2000, 2011 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation *******************************************************************************/ package org.eclipse.swt.graphics; import org.eclipse.swt.internal.*; import org.eclipse.swt.internal.gdip.*; import org.eclipse.swt.internal.win32.*; import org.eclipse.swt.*; /** * Class <code>GC</code> is where all of the drawing capabilities that are * supported by SWT are located. Instances are used to draw on either an * <code>Image</code>, a <code>Control</code>, or directly on a <code>Display</code>. * <dl> * <dt>Styles:</dt> * <dd>LEFT_TO_RIGHT, RIGHT_TO_LEFT</dd> * </dl> * * * The SWT drawing coordinate system is the two-dimensional space with the origin * (0,0) at the top left corner of the drawing area and with (x,y) values increasing * to the right and downward respectively. * * * * The result of drawing on an image that was created with an indexed * palette using a color that is not in the palette is platform specific. * Some platforms will match to the nearest color while other will draw * the color itself. This happens because the allocated image might use * a direct palette on platforms that do not support indexed palette. * * * * Application code must explicitly invoke the <code>GC.dispose()</code> * method to release the operating system resources managed by each instance * when those instances are no longer required. This is particularly * important on Windows95 and Windows98 where the operating system has a limited * number of device contexts available. * * * * Note: Only one of LEFT_TO_RIGHT and RIGHT_TO_LEFT may be specified. * * * @see org.eclipse.swt.events.PaintEvent * @see <a href="http://www.eclipse.org/swt/snippets/#gc">GC snippets</a> * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Examples: GraphicsExample, PaintExample</a> * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> */ public final class GC extends Resource { /** * the handle to the OS device context * (Warning: This field is platform dependent) * * IMPORTANT: This field is not part of the SWT * public API. It is marked public only so that it can be shared * within the packages provided by SWT. It is not available on all * platforms and should never be accessed from application code. * * * @noreference This field is not intended to be referenced by clients. */ public int /*long*/ handle; Drawable drawable; GCData data; static final int FOREGROUND = 1 << 0; static final int BACKGROUND = 1 << 1; static final int FONT = 1 << 2; static final int LINE_STYLE = 1 << 3; static final int LINE_WIDTH = 1 << 4; static final int LINE_CAP = 1 << 5; static final int LINE_JOIN = 1 << 6; static final int LINE_MITERLIMIT = 1 << 7; static final int FOREGROUND_TEXT = 1 << 8; static final int BACKGROUND_TEXT = 1 << 9; static final int BRUSH = 1 << 10; static final int PEN = 1 << 11; static final int NULL_BRUSH = 1 << 12; static final int NULL_PEN = 1 << 13; static final int DRAW_OFFSET = 1 << 14; static final int DRAW = FOREGROUND | LINE_STYLE | LINE_WIDTH | LINE_CAP | LINE_JOIN | LINE_MITERLIMIT | PEN | NULL_BRUSH | DRAW_OFFSET; static final int FILL = BACKGROUND | BRUSH | NULL_PEN; static final float[] LINE_DOT_ZERO = new float[]{3, 3}; static final float[] LINE_DASH_ZERO = new float[]{18, 6}; static final float[] LINE_DASHDOT_ZERO = new float[]{9, 6, 3, 6}; static final float[] LINE_DASHDOTDOT_ZERO = new float[]{9, 3, 3, 3, 3, 3}; /** * Prevents uninitialized instances from being created outside the package. */ GC() { } /** * Constructs a new instance of this class which has been * configured to draw on the specified drawable. Sets the * foreground color, background color and font in the GC * to match those in the drawable. * * You must dispose the graphics context when it is no longer required. * * @param drawable the drawable to draw on * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the drawable is null</li> * <li>ERROR_NULL_ARGUMENT - if there is no current device</li> * <li>ERROR_INVALID_ARGUMENT * - if the drawable is an image that is not a bitmap or an icon * - if the drawable is an image or printer that is already selected * into another graphics context</li> * </ul> * @exception SWTError <ul> * <li>ERROR_NO_HANDLES if a handle could not be obtained for GC creation</li> * <li>ERROR_THREAD_INVALID_ACCESS if not called from the thread that created the drawable</li> * </ul> */ public GC(Drawable drawable) { this(drawable, SWT.NONE); } /** * Constructs a new instance of this class which has been * configured to draw on the specified drawable. Sets the * foreground color, background color and font in the GC * to match those in the drawable. * * You must dispose the graphics context when it is no longer required. * * * @param drawable the drawable to draw on * @param style the style of GC to construct * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the drawable is null</li> * <li>ERROR_NULL_ARGUMENT - if there is no current device</li> * <li>ERROR_INVALID_ARGUMENT * - if the drawable is an image that is not a bitmap or an icon * - if the drawable is an image or printer that is already selected * into another graphics context</li> * </ul> * @exception SWTError <ul> * <li>ERROR_NO_HANDLES if a handle could not be obtained for GC creation</li> * <li>ERROR_THREAD_INVALID_ACCESS if not called from the thread that created the drawable</li> * </ul> * * @since 2.1.2 */ public GC(Drawable drawable, int style) { if (drawable == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); GCData data = new GCData (); data.style = checkStyle(style); int /*long*/ hDC = drawable.internal_new_GC(data); Device device = data.device; if (device == null) device = Device.getDevice(); if (device == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); this.device = data.device = device; init (drawable, data, hDC); init(); } static int checkStyle(int style) { if ((style & SWT.LEFT_TO_RIGHT) != 0) style &= ~SWT.RIGHT_TO_LEFT; return style & (SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT); } void checkGC(int mask) { int state = data.state; if ((state & mask) == mask) return; state = (state ^ mask) & mask; data.state |= mask; int /*long*/ gdipGraphics = data.gdipGraphics; if (gdipGraphics != 0) { int /*long*/ pen = data.gdipPen; float width = data.lineWidth; if ((state & FOREGROUND) != 0 || (pen == 0 && (state & (LINE_WIDTH | LINE_STYLE | LINE_MITERLIMIT | LINE_JOIN | LINE_CAP)) != 0)) { if (data.gdipFgBrush != 0) Gdip.SolidBrush_delete(data.gdipFgBrush); data.gdipFgBrush = 0; int /*long*/ brush; Pattern pattern = data.foregroundPattern; if (pattern != null) { brush = pattern.handle; if ((data.style & SWT.MIRRORED) != 0) { switch (Gdip.Brush_GetType(brush)) { case Gdip.BrushTypeTextureFill: brush = Gdip.Brush_Clone(brush); if (brush == 0) SWT.error(SWT.ERROR_NO_HANDLES); Gdip.TextureBrush_ScaleTransform(brush, -1, 1, Gdip.MatrixOrderPrepend); data.gdipFgBrush = brush; } } } else { int foreground = data.foreground; int rgb = ((foreground >> 16) & 0xFF) | (foreground & 0xFF00) | ((foreground & 0xFF) << 16); int /*long*/ color = Gdip.Color_new(data.alpha << 24 | rgb); if (color == 0) SWT.error(SWT.ERROR_NO_HANDLES); brush = Gdip.SolidBrush_new(color); if (brush == 0) SWT.error(SWT.ERROR_NO_HANDLES); Gdip.Color_delete(color); data.gdipFgBrush = brush; } if (pen != 0) { Gdip.Pen_SetBrush(pen, brush); } else { pen = data.gdipPen = Gdip.Pen_new(brush, width); } } if ((state & LINE_WIDTH) != 0) { Gdip.Pen_SetWidth(pen, width); switch (data.lineStyle) { case SWT.LINE_CUSTOM: state |= LINE_STYLE; } } if ((state & LINE_STYLE) != 0) { float[] dashes = null; float dashOffset = 0; int dashStyle = Gdip.DashStyleSolid; switch (data.lineStyle) { case SWT.LINE_SOLID: break; case SWT.LINE_DOT: dashStyle = Gdip.DashStyleDot; if (width == 0) dashes = LINE_DOT_ZERO; break; case SWT.LINE_DASH: dashStyle = Gdip.DashStyleDash; if (width == 0) dashes = LINE_DASH_ZERO; break; case SWT.LINE_DASHDOT: dashStyle = Gdip.DashStyleDashDot; if (width == 0) dashes = LINE_DASHDOT_ZERO; break; case SWT.LINE_DASHDOTDOT: dashStyle = Gdip.DashStyleDashDotDot; if (width == 0) dashes = LINE_DASHDOTDOT_ZERO; break; case SWT.LINE_CUSTOM: { if (data.lineDashes != null) { dashOffset = data.lineDashesOffset / Math.max (1, width); dashes = new float[data.lineDashes.length * 2]; for (int i = 0; i < data.lineDashes.length; i++) { float dash = data.lineDashes[i] / Math.max (1, width); dashes[i] = dash; dashes[i + data.lineDashes.length] = dash; } } } } if (dashes != null) { Gdip.Pen_SetDashPattern(pen, dashes, dashes.length); Gdip.Pen_SetDashStyle(pen, Gdip.DashStyleCustom); Gdip.Pen_SetDashOffset(pen, dashOffset); } else { Gdip.Pen_SetDashStyle(pen, dashStyle); } } if ((state & LINE_MITERLIMIT) != 0) { Gdip.Pen_SetMiterLimit(pen, data.lineMiterLimit); } if ((state & LINE_JOIN) != 0) { int joinStyle = 0; switch (data.lineJoin) { case SWT.JOIN_MITER: joinStyle = Gdip.LineJoinMiter; break; case SWT.JOIN_BEVEL: joinStyle = Gdip.LineJoinBevel; break; case SWT.JOIN_ROUND: joinStyle = Gdip.LineJoinRound; break; } Gdip.Pen_SetLineJoin(pen, joinStyle); } if ((state & LINE_CAP) != 0) { int dashCap = Gdip.DashCapFlat, capStyle = 0; switch (data.lineCap) { case SWT.CAP_FLAT: capStyle = Gdip.LineCapFlat; break; case SWT.CAP_ROUND: capStyle = Gdip.LineCapRound; dashCap = Gdip.DashCapRound; break; case SWT.CAP_SQUARE: capStyle = Gdip.LineCapSquare; break; } Gdip.Pen_SetLineCap(pen, capStyle, capStyle, dashCap); } if ((state & BACKGROUND) != 0) { if (data.gdipBgBrush != 0) Gdip.SolidBrush_delete(data.gdipBgBrush); data.gdipBgBrush = 0; Pattern pattern = data.backgroundPattern; if (pattern != null) { data.gdipBrush = pattern.handle; if ((data.style & SWT.MIRRORED) != 0) { switch (Gdip.Brush_GetType(data.gdipBrush)) { case Gdip.BrushTypeTextureFill: int /*long*/ brush = Gdip.Brush_Clone(data.gdipBrush); if (brush == 0) SWT.error(SWT.ERROR_NO_HANDLES); Gdip.TextureBrush_ScaleTransform(brush, -1, 1, Gdip.MatrixOrderPrepend); data.gdipBrush = data.gdipBgBrush = brush; } } } else { int background = data.background; int rgb = ((background >> 16) & 0xFF) | (background & 0xFF00) | ((background & 0xFF) << 16); int /*long*/ color = Gdip.Color_new(data.alpha << 24 | rgb); if (color == 0) SWT.error(SWT.ERROR_NO_HANDLES); int /*long*/ brush = Gdip.SolidBrush_new(color); if (brush == 0) SWT.error(SWT.ERROR_NO_HANDLES); Gdip.Color_delete(color); data.gdipBrush = data.gdipBgBrush = brush; } } if ((state & FONT) != 0) { Font font = data.font; OS.SelectObject(handle, font.handle); int /*long*/[] hFont = new int /*long*/[1]; int /*long*/ gdipFont = createGdipFont(handle, font.handle, gdipGraphics, device.fontCollection, null, hFont); if (hFont[0] != 0) OS.SelectObject(handle, hFont[0]); if (data.hGDIFont != 0) OS.DeleteObject(data.hGDIFont); data.hGDIFont = hFont[0]; if (data.gdipFont != 0) Gdip.Font_delete(data.gdipFont); data.gdipFont = gdipFont; } if ((state & DRAW_OFFSET) != 0) { data.gdipXOffset = data.gdipYOffset = 0; int /*long*/ matrix = Gdip.Matrix_new(1, 0, 0, 1, 0, 0); PointF point = new PointF(); point.X = point.Y = 1; Gdip.Graphics_GetTransform(gdipGraphics, matrix); Gdip.Matrix_TransformVectors(matrix, point, 1); Gdip.Matrix_delete(matrix); float scaling = point.X; if (scaling < 0) scaling = -scaling; float penWidth = data.lineWidth * scaling; if (penWidth == 0 || ((int)penWidth % 2) == 1) { data.gdipXOffset = 0.5f / scaling; } scaling = point.Y; if (scaling < 0) scaling = -scaling; penWidth = data.lineWidth * scaling; if (penWidth == 0 || ((int)penWidth % 2) == 1) { data.gdipYOffset = 0.5f / scaling; } } return; } if ((state & (FOREGROUND | LINE_CAP | LINE_JOIN | LINE_STYLE | LINE_WIDTH)) != 0) { int color = data.foreground; int width = (int)data.lineWidth; int[] dashes = null; int lineStyle = OS.PS_SOLID; switch (data.lineStyle) { case SWT.LINE_SOLID: break; case SWT.LINE_DASH: lineStyle = OS.PS_DASH; break; case SWT.LINE_DOT: lineStyle = OS.PS_DOT; break; case SWT.LINE_DASHDOT: lineStyle = OS.PS_DASHDOT; break; case SWT.LINE_DASHDOTDOT: lineStyle = OS.PS_DASHDOTDOT; break; case SWT.LINE_CUSTOM: { if (data.lineDashes != null) { lineStyle = OS.PS_USERSTYLE; dashes = new int[data.lineDashes.length]; for (int i = 0; i < dashes.length; i++) { dashes[i] = (int)data.lineDashes[i]; } } break; } } if ((state & LINE_STYLE) != 0) { OS.SetBkMode(handle, data.lineStyle == SWT.LINE_SOLID ? OS.OPAQUE : OS.TRANSPARENT); } int joinStyle = 0; switch (data.lineJoin) { case SWT.JOIN_MITER: joinStyle = OS.PS_JOIN_MITER; break; case SWT.JOIN_ROUND: joinStyle = OS.PS_JOIN_ROUND; break; case SWT.JOIN_BEVEL: joinStyle = OS.PS_JOIN_BEVEL; break; } int capStyle = 0; switch (data.lineCap) { case SWT.CAP_ROUND: capStyle = OS.PS_ENDCAP_ROUND; break; case SWT.CAP_FLAT: capStyle = OS.PS_ENDCAP_FLAT; break; case SWT.CAP_SQUARE: capStyle = OS.PS_ENDCAP_SQUARE;break; } int style = lineStyle | joinStyle | capStyle; /* * Feature in Windows. Windows does not honour line styles other then * PS_SOLID for pens wider than 1 pixel created with CreatePen(). The fix * is to use ExtCreatePen() instead. */ int /*long*/ newPen; if (OS.IsWinCE || (width == 0 && lineStyle != OS.PS_USERSTYLE) || style == 0) { newPen = OS.CreatePen(style & OS.PS_STYLE_MASK, width, color); } else { LOGBRUSH logBrush = new LOGBRUSH(); logBrush.lbStyle = OS.BS_SOLID; logBrush.lbColor = color; /* Feature in Windows. PS_GEOMETRIC pens cannot have zero width. */ newPen = OS.ExtCreatePen (style | OS.PS_GEOMETRIC, Math.max(1, width), logBrush, dashes != null ? dashes.length : 0, dashes); } OS.SelectObject(handle, newPen); data.state |= PEN; data.state &= ~NULL_PEN; if (data.hPen != 0) OS.DeleteObject(data.hPen); data.hPen = data.hOldPen = newPen; } else if ((state & PEN) != 0) { OS.SelectObject(handle, data.hOldPen); data.state &= ~NULL_PEN; } else if ((state & NULL_PEN) != 0) { data.hOldPen = OS.SelectObject(handle, OS.GetStockObject(OS.NULL_PEN)); data.state &= ~PEN; } if ((state & BACKGROUND) != 0) { int /*long*/ newBrush = OS.CreateSolidBrush(data.background); OS.SelectObject(handle, newBrush); data.state |= BRUSH; data.state &= ~NULL_BRUSH; if (data.hBrush != 0) OS.DeleteObject(data.hBrush); data.hOldBrush = data.hBrush = newBrush; } else if ((state & BRUSH) != 0) { OS.SelectObject(handle, data.hOldBrush); data.state &= ~NULL_BRUSH; } else if ((state & NULL_BRUSH) != 0) { data.hOldBrush = OS.SelectObject(handle, OS.GetStockObject(OS.NULL_BRUSH)); data.state &= ~BRUSH; } if ((state & BACKGROUND_TEXT) != 0) { OS.SetBkColor(handle, data.background); } if ((state & FOREGROUND_TEXT) != 0) { OS.SetTextColor(handle, data.foreground); } if ((state & FONT) != 0) { Font font = data.font; OS.SelectObject(handle, font.handle); } } /** * Copies a rectangular area of the receiver at the specified * position into the image, which must be of type <code>SWT.BITMAP</code>. * * @param image the image to copy into * @param x the x coordinate in the receiver of the area to be copied * @param y the y coordinate in the receiver of the area to be copied * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the image is null</li> * <li>ERROR_INVALID_ARGUMENT - if the image is not a bitmap or has been disposed</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public void copyArea(Image image, int x, int y) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (image == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); if (image.type != SWT.BITMAP || image.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); /* Copy the bitmap area */ Rectangle rect = image.getBounds(); int /*long*/ memHdc = OS.CreateCompatibleDC(handle); int /*long*/ hOldBitmap = OS.SelectObject(memHdc, image.handle); OS.BitBlt(memHdc, 0, 0, rect.width, rect.height, handle, x, y, OS.SRCCOPY); OS.SelectObject(memHdc, hOldBitmap); OS.DeleteDC(memHdc); } /** * Copies a rectangular area of the receiver at the source * position onto the receiver at the destination position. * * @param srcX the x coordinate in the receiver of the area to be copied * @param srcY the y coordinate in the receiver of the area to be copied * @param width the width of the area to copy * @param height the height of the area to copy * @param destX the x coordinate in the receiver of the area to copy to * @param destY the y coordinate in the receiver of the area to copy to * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public void copyArea(int srcX, int srcY, int width, int height, int destX, int destY) { copyArea(srcX, srcY, width, height, destX, destY, true); } /** * Copies a rectangular area of the receiver at the source * position onto the receiver at the destination position. * * @param srcX the x coordinate in the receiver of the area to be copied * @param srcY the y coordinate in the receiver of the area to be copied * @param width the width of the area to copy * @param height the height of the area to copy * @param destX the x coordinate in the receiver of the area to copy to * @param destY the y coordinate in the receiver of the area to copy to * @param paint if <code>true</code> paint events will be generated for old and obscured areas * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @since 3.1 */ public void copyArea(int srcX, int srcY, int width, int height, int destX, int destY, boolean paint) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); /* * Feature in WinCE. The function WindowFromDC is not part of the * WinCE SDK. The fix is to remember the HWND. */ int /*long*/ hwnd = data.hwnd; if (hwnd == 0) { OS.BitBlt(handle, destX, destY, width, height, handle, srcX, srcY, OS.SRCCOPY); } else { RECT lprcClip = null; int /*long*/ hrgn = OS.CreateRectRgn(0, 0, 0, 0); if (OS.GetClipRgn(handle, hrgn) == 1) { lprcClip = new RECT(); OS.GetRgnBox(hrgn, lprcClip); } OS.DeleteObject(hrgn); RECT lprcScroll = new RECT(); OS.SetRect(lprcScroll, srcX, srcY, srcX + width, srcY + height); int flags = paint ? OS.SW_INVALIDATE | OS.SW_ERASE : 0; int res = OS.ScrollWindowEx(hwnd, destX - srcX, destY - srcY, lprcScroll, lprcClip, 0, null, flags); /* * Feature in WinCE. ScrollWindowEx does not accept combined * vertical and horizontal scrolling. The fix is to do a * BitBlt and invalidate the appropriate source area. */ if (res == 0 && OS.IsWinCE) { OS.BitBlt(handle, destX, destY, width, height, handle, srcX, srcY, OS.SRCCOPY); if (paint) { int deltaX = destX - srcX, deltaY = destY - srcY; boolean disjoint = (destX + width < srcX) || (srcX + width < destX) || (destY + height < srcY) || (srcY + height < destY); if (disjoint) { OS.InvalidateRect(hwnd, lprcScroll, true); } else { if (deltaX != 0) { int newX = destX - deltaX; if (deltaX < 0) newX = destX + width; OS.SetRect(lprcScroll, newX, srcY, newX + Math.abs(deltaX), srcY + height); OS.InvalidateRect(hwnd, lprcScroll, true); } if (deltaY != 0) { int newY = destY - deltaY; if (deltaY < 0) newY = destY + height; OS.SetRect(lprcScroll, srcX, newY, srcX + width, newY + Math.abs(deltaY)); OS.InvalidateRect(hwnd, lprcScroll, true); } } } } } } static int /*long*/ createGdipFont(int /*long*/ hDC, int /*long*/ hFont, int /*long*/ graphics, int /*long*/ fontCollection, int /*long*/ [] outFamily, int /*long*/[] outFont) { int /*long*/ font = Gdip.Font_new(hDC, hFont); if (font == 0) SWT.error(SWT.ERROR_NO_HANDLES); int /*long*/ family = 0; if (!Gdip.Font_IsAvailable(font)) { Gdip.Font_delete(font); LOGFONT logFont = OS.IsUnicode ? (LOGFONT)new LOGFONTW() : new LOGFONTA(); OS.GetObject(hFont, LOGFONT.sizeof, logFont); int size = Math.abs(logFont.lfHeight); int style = Gdip.FontStyleRegular; if (logFont.lfWeight == 700) style |= Gdip.FontStyleBold; if (logFont.lfItalic != 0) style |= Gdip.FontStyleItalic; char[] chars; if (OS.IsUnicode) { chars = ((LOGFONTW)logFont).lfFaceName; } else { chars = new char[OS.LF_FACESIZE]; byte[] bytes = ((LOGFONTA)logFont).lfFaceName; OS.MultiByteToWideChar (OS.CP_ACP, OS.MB_PRECOMPOSED, bytes, bytes.length, chars, chars.length); } int index = 0; while (index < chars.length) { if (chars [index] == 0) break; index++; } String name = new String (chars, 0, index); if (Compatibility.equalsIgnoreCase(name, "Courier")) { //$NON-NLS-1$ name = "Courier New"; //$NON-NLS-1$ } char[] buffer = new char[name.length() + 1]; name.getChars(0, name.length(), buffer, 0); if (fontCollection != 0) { family = Gdip.FontFamily_new(buffer, fontCollection); if (!Gdip.FontFamily_IsAvailable(family)) { Gdip.FontFamily_delete(family); family = Gdip.FontFamily_new(buffer, 0); if (!Gdip.FontFamily_IsAvailable(family)) { Gdip.FontFamily_delete(family); family = 0; } } } if (family != 0) { font = Gdip.Font_new(family, size, style, Gdip.UnitPixel); } else { font = Gdip.Font_new(buffer, size, style, Gdip.UnitPixel, 0); } if (outFont != null && font != 0) { int /*long*/ hHeap = OS.GetProcessHeap(); int /*long*/ pLogFont = OS.HeapAlloc(hHeap, OS.HEAP_ZERO_MEMORY, LOGFONTW.sizeof); Gdip.Font_GetLogFontW(font, graphics, pLogFont); outFont[0] = OS.CreateFontIndirectW(pLogFont); OS.HeapFree(hHeap, 0, pLogFont); } } if (outFamily != null && font != 0) { if (family == 0) { family = Gdip.FontFamily_new(); Gdip.Font_GetFamily(font, family); } outFamily [0] = family; } else { if (family != 0) Gdip.FontFamily_delete(family); } if (font == 0) SWT.error(SWT.ERROR_NO_HANDLES); return font; } static void destroyGdipBrush(int /*long*/ brush) { int type = Gdip.Brush_GetType(brush); switch (type) { case Gdip.BrushTypeSolidColor: Gdip.SolidBrush_delete(brush); break; case Gdip.BrushTypeHatchFill: Gdip.HatchBrush_delete(brush); break; case Gdip.BrushTypeLinearGradient: Gdip.LinearGradientBrush_delete(brush); break; case Gdip.BrushTypeTextureFill: Gdip.TextureBrush_delete(brush); break; } } /** * Disposes of the operating system resources associated with * the graphics context. Applications must dispose of all GCs * which they allocate. * * @exception SWTError <ul> * <li>ERROR_THREAD_INVALID_ACCESS if not called from the thread that created the drawable</li> * </ul> */ void destroy() { boolean gdip = data.gdipGraphics != 0; disposeGdip(); if (gdip && (data.style & SWT.MIRRORED) != 0) { OS.SetLayout(handle, OS.GetLayout(handle) | OS.LAYOUT_RTL); } /* Select stock pen and brush objects and free resources */ if (data.hPen != 0) { OS.SelectObject(handle, OS.GetStockObject(OS.NULL_PEN)); OS.DeleteObject(data.hPen); data.hPen = 0; } if (data.hBrush != 0) { OS.SelectObject(handle, OS.GetStockObject(OS.NULL_BRUSH)); OS.DeleteObject(data.hBrush); data.hBrush = 0; } /* * Put back the original bitmap into the device context. * This will ensure that we have not left a bitmap * selected in it when we delete the HDC. */ int /*long*/ hNullBitmap = data.hNullBitmap; if (hNullBitmap != 0) { OS.SelectObject(handle, hNullBitmap); data.hNullBitmap = 0; } Image image = data.image; if (image != null) image.memGC = null; /* * Dispose the HDC. */ if (drawable != null) drawable.internal_dispose_GC(handle, data); drawable = null; handle = 0; data.image = null; data.ps = null; data = null; } void disposeGdip() { if (data.gdipPen != 0) Gdip.Pen_delete(data.gdipPen); if (data.gdipBgBrush != 0) destroyGdipBrush(data.gdipBgBrush); if (data.gdipFgBrush != 0) destroyGdipBrush(data.gdipFgBrush); if (data.gdipFont != 0) Gdip.Font_delete(data.gdipFont); if (data.hGDIFont != 0) OS.DeleteObject(data.hGDIFont); if (data.gdipGraphics != 0) Gdip.Graphics_delete(data.gdipGraphics); data.gdipGraphics = data.gdipBrush = data.gdipBgBrush = data.gdipFgBrush = data.gdipFont = data.gdipPen = data.hGDIFont = 0; } /** * Draws the outline of a circular or elliptical arc * within the specified rectangular area. * * The resulting arc begins at <code>startAngle</code> and extends * for <code>arcAngle</code> degrees, using the current color. * Angles are interpreted such that 0 degrees is at the 3 o'clock * position. A positive value indicates a counter-clockwise rotation * while a negative value indicates a clockwise rotation. * * The center of the arc is the center of the rectangle whose origin * is (<code>x</code>, <code>y</code>) and whose size is specified by the * <code>width</code> and <code>height</code> arguments. * * The resulting arc covers an area <code>width + 1</code> pixels wide * by <code>height + 1</code> pixels tall. * * * @param x the x coordinate of the upper-left corner of the arc to be drawn * @param y the y coordinate of the upper-left corner of the arc to be drawn * @param width the width of the arc to be drawn * @param height the height of the arc to be drawn * @param startAngle the beginning angle * @param arcAngle the angular extent of the arc, relative to the start angle * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public void drawArc (int x, int y, int width, int height, int startAngle, int arcAngle) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); checkGC(DRAW); if (width < 0) { x = x + width; width = -width; } if (height < 0) { y = y + height; height = -height; } if (width == 0 || height == 0 || arcAngle == 0) return; int /*long*/ gdipGraphics = data.gdipGraphics; if (gdipGraphics != 0) { Gdip.Graphics_TranslateTransform(gdipGraphics, data.gdipXOffset, data.gdipYOffset, Gdip.MatrixOrderPrepend); if (width == height) { Gdip.Graphics_DrawArc(gdipGraphics, data.gdipPen, x, y, width, height, -startAngle, -arcAngle); } else { int /*long*/ path = Gdip.GraphicsPath_new(Gdip.FillModeAlternate); if (path == 0) SWT.error(SWT.ERROR_NO_HANDLES); int /*long*/ matrix = Gdip.Matrix_new(width, 0, 0, height, x, y); if (matrix == 0) SWT.error(SWT.ERROR_NO_HANDLES); Gdip.GraphicsPath_AddArc(path, 0, 0, 1, 1, -startAngle, -arcAngle); Gdip.GraphicsPath_Transform(path, matrix); Gdip.Graphics_DrawPath(gdipGraphics, data.gdipPen, path); Gdip.Matrix_delete(matrix); Gdip.GraphicsPath_delete(path); } Gdip.Graphics_TranslateTransform(gdipGraphics, -data.gdipXOffset, -data.gdipYOffset, Gdip.MatrixOrderPrepend); return; } if ((data.style & SWT.MIRRORED) != 0) { if (data.lineWidth != 0 && data.lineWidth % 2 == 0) x--; } /* * Feature in WinCE. The function Arc is not present in the * WinCE SDK. The fix is to emulate arc drawing by using * Polyline. */ if (OS.IsWinCE) { /* compute arc with a simple linear interpolation */ if (arcAngle < 0) { startAngle += arcAngle; arcAngle = -arcAngle; } if (arcAngle > 360) arcAngle = 360; int[] points = new int[(arcAngle + 1) * 2]; int cteX = 2 * x + width; int cteY = 2 * y + height; int index = 0; for (int i = 0; i <= arcAngle; i++) { points[index++] = (Compatibility.cos(startAngle + i, width) + cteX) >> 1; points[index++] = (cteY - Compatibility.sin(startAngle + i, height)) >> 1; } OS.Polyline(handle, points, points.length / 2); } else { int x1, y1, x2, y2,tmp; boolean isNegative; if (arcAngle >= 360 || arcAngle <= -360) { x1 = x2 = x + width; y1 = y2 = y + height / 2; } else { isNegative = arcAngle < 0; arcAngle = arcAngle + startAngle; if (isNegative) { // swap angles tmp = startAngle; startAngle = arcAngle; arcAngle = tmp; } x1 = Compatibility.cos(startAngle, width) + x + width/2; y1 = -1 * Compatibility.sin(startAngle, height) + y + height/2; x2 = Compatibility.cos(arcAngle, width) + x + width/2; y2 = -1 * Compatibility.sin(arcAngle, height) + y + height/2; } OS.Arc(handle, x, y, x + width + 1, y + height + 1, x1, y1, x2, y2); } } /** * Draws a rectangle, based on the specified arguments, which has * the appearance of the platform's focus rectangle if the * platform supports such a notion, and otherwise draws a simple * rectangle in the receiver's foreground color. * * @param x the x coordinate of the rectangle * @param y the y coordinate of the rectangle * @param width the width of the rectangle * @param height the height of the rectangle * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @see #drawRectangle(int, int, int, int) */ public void drawFocus (int x, int y, int width, int height) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if ((data.uiState & OS.UISF_HIDEFOCUS) != 0) return; data.focusDrawn = true; int /*long*/ hdc = handle; int state = 0; int /*long*/ gdipGraphics = data.gdipGraphics; if (gdipGraphics != 0) { int /*long*/ clipRgn = 0; Gdip.Graphics_SetPixelOffsetMode(gdipGraphics, Gdip.PixelOffsetModeNone); int /*long*/ rgn = Gdip.Region_new(); if (rgn == 0) SWT.error(SWT.ERROR_NO_HANDLES); Gdip.Graphics_GetClip(gdipGraphics, rgn); if (!Gdip.Region_IsInfinite(rgn, gdipGraphics)) { clipRgn = Gdip.Region_GetHRGN(rgn, gdipGraphics); } Gdip.Region_delete(rgn); Gdip.Graphics_SetPixelOffsetMode(gdipGraphics, Gdip.PixelOffsetModeHalf); float[] lpXform = null; int /*long*/ matrix = Gdip.Matrix_new(1, 0, 0, 1, 0, 0); if (matrix == 0) SWT.error(SWT.ERROR_NO_HANDLES); Gdip.Graphics_GetTransform(gdipGraphics, matrix); if (!Gdip.Matrix_IsIdentity(matrix)) { lpXform = new float[6]; Gdip.Matrix_GetElements(matrix, lpXform); } Gdip.Matrix_delete(matrix); hdc = Gdip.Graphics_GetHDC(gdipGraphics); state = OS.SaveDC(hdc); if (lpXform != null) { OS.SetGraphicsMode(hdc, OS.GM_ADVANCED); OS.SetWorldTransform(hdc, lpXform); } if (clipRgn != 0) { OS.SelectClipRgn(hdc, clipRgn); OS.DeleteObject(clipRgn); } } OS.SetBkColor(hdc, 0xFFFFFF); OS.SetTextColor(hdc, 0x000000); RECT rect = new RECT(); OS.SetRect(rect, x, y, x + width, y + height); OS.DrawFocusRect(hdc, rect); if (gdipGraphics != 0) { OS.RestoreDC(hdc, state); Gdip.Graphics_ReleaseHDC(gdipGraphics, hdc); } else { data.state &= ~(BACKGROUND_TEXT | FOREGROUND_TEXT); } } /** * Draws the given image in the receiver at the specified * coordinates. * * @param image the image to draw * @param x the x coordinate of where to draw * @param y the y coordinate of where to draw * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the image is null</li> * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li> * <li>ERROR_INVALID_ARGUMENT - if the given coordinates are outside the bounds of the image</li> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * @exception SWTError <ul> * <li>ERROR_NO_HANDLES - if no handles are available to perform the operation</li> * </ul> */ public void drawImage(Image image, int x, int y) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (image == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); if (image.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); drawImage(image, 0, 0, -1, -1, x, y, -1, -1, true); } /** * Copies a rectangular area from the source image into a (potentially * different sized) rectangular area in the receiver. If the source * and destination areas are of differing sizes, then the source * area will be stretched or shrunk to fit the destination area * as it is copied. The copy fails if any part of the source rectangle * lies outside the bounds of the source image, or if any of the width * or height arguments are negative. * * @param image the source image * @param srcX the x coordinate in the source image to copy from * @param srcY the y coordinate in the source image to copy from * @param srcWidth the width in pixels to copy from the source * @param srcHeight the height in pixels to copy from the source * @param destX the x coordinate in the destination to copy to * @param destY the y coordinate in the destination to copy to * @param destWidth the width in pixels of the destination rectangle * @param destHeight the height in pixels of the destination rectangle * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the image is null</li> * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li> * <li>ERROR_INVALID_ARGUMENT - if any of the width or height arguments are negative. * <li>ERROR_INVALID_ARGUMENT - if the source rectangle is not contained within the bounds of the source image</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * @exception SWTError <ul> * <li>ERROR_NO_HANDLES - if no handles are available to perform the operation</li> * </ul> */ public void drawImage(Image image, int srcX, int srcY, int srcWidth, int srcHeight, int destX, int destY, int destWidth, int destHeight) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (srcWidth == 0 || srcHeight == 0 || destWidth == 0 || destHeight == 0) return; if (srcX < 0 || srcY < 0 || srcWidth < 0 || srcHeight < 0 || destWidth < 0 || destHeight < 0) { SWT.error (SWT.ERROR_INVALID_ARGUMENT); } if (image == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); if (image.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); drawImage(image, srcX, srcY, srcWidth, srcHeight, destX, destY, destWidth, destHeight, false); } void drawImage(Image srcImage, int srcX, int srcY, int srcWidth, int srcHeight, int destX, int destY, int destWidth, int destHeight, boolean simple) { if (data.gdipGraphics != 0) { //TODO - cache bitmap int /*long*/ [] gdipImage = srcImage.createGdipImage(); int /*long*/ img = gdipImage[0]; int imgWidth = Gdip.Image_GetWidth(img); int imgHeight = Gdip.Image_GetHeight(img); if (simple) { srcWidth = destWidth = imgWidth; srcHeight = destHeight = imgHeight; } else { if (srcX + srcWidth > imgWidth || srcY + srcHeight > imgHeight) { SWT.error (SWT.ERROR_INVALID_ARGUMENT); } simple = srcX == 0 && srcY == 0 && srcWidth == destWidth && destWidth == imgWidth && srcHeight == destHeight && destHeight == imgHeight; } Rect rect = new Rect(); rect.X = destX; rect.Y = destY; rect.Width = destWidth; rect.Height = destHeight; /* * Note that if the wrap mode is not WrapModeTileFlipXY, the scaled image * is translucent around the borders. */ int /*long*/ attrib = Gdip.ImageAttributes_new(); Gdip.ImageAttributes_SetWrapMode(attrib, Gdip.WrapModeTileFlipXY); if (data.alpha != 0xFF) { float[] matrix = new float[]{ 1,0,0,0,0, 0,1,0,0,0, 0,0,1,0,0, 0,0,0,data.alpha / (float)0xFF,0, 0,0,0,0,1, }; Gdip.ImageAttributes_SetColorMatrix(attrib, matrix, Gdip.ColorMatrixFlagsDefault, Gdip.ColorAdjustTypeBitmap); } int gstate = 0; if ((data.style & SWT.MIRRORED) != 0) { gstate = Gdip.Graphics_Save(data.gdipGraphics); Gdip.Graphics_ScaleTransform(data.gdipGraphics, -1, 1, Gdip.MatrixOrderPrepend); Gdip.Graphics_TranslateTransform(data.gdipGraphics, - 2 * destX - destWidth, 0, Gdip.MatrixOrderPrepend); } Gdip.Graphics_DrawImage(data.gdipGraphics, img, rect, srcX, srcY, srcWidth, srcHeight, Gdip.UnitPixel, attrib, 0, 0); if ((data.style & SWT.MIRRORED) != 0) { Gdip.Graphics_Restore(data.gdipGraphics, gstate); } Gdip.ImageAttributes_delete(attrib); Gdip.Bitmap_delete(img); if (gdipImage[1] != 0) { int /*long*/ hHeap = OS.GetProcessHeap (); OS.HeapFree(hHeap, 0, gdipImage[1]); } return; } switch (srcImage.type) { case SWT.BITMAP: drawBitmap(srcImage, srcX, srcY, srcWidth, srcHeight, destX, destY, destWidth, destHeight, simple); break; case SWT.ICON: drawIcon(srcImage, srcX, srcY, srcWidth, srcHeight, destX, destY, destWidth, destHeight, simple); break; } } void drawIcon(Image srcImage, int srcX, int srcY, int srcWidth, int srcHeight, int destX, int destY, int destWidth, int destHeight, boolean simple) { int technology = OS.GetDeviceCaps(handle, OS.TECHNOLOGY); boolean drawIcon = true; int flags = OS.DI_NORMAL; int offsetX = 0, offsetY = 0; if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION(5, 1)) { if ((OS.GetLayout(handle) & OS.LAYOUT_RTL) != 0) { flags |= OS.DI_NOMIRROR; /* * Bug in Windows. For some reason, DrawIconEx() does not take * into account the window origin when the DI_NOMIRROR and * LAYOUT_RTL are set. The fix is to set the window origin to * (0, 0) and offset the drawing ourselves. */ POINT pt = new POINT(); OS.GetWindowOrgEx(handle, pt); offsetX = pt.x; offsetY = pt.y; } } else { if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION(4, 10)) { drawIcon = (OS.GetLayout(handle) & OS.LAYOUT_RTL) == 0; } } /* Simple case: no stretching, entire icon */ if (simple && technology != OS.DT_RASPRINTER && drawIcon) { if (offsetX != 0 || offsetY != 0) OS.SetWindowOrgEx(handle, 0, 0, null); OS.DrawIconEx(handle, destX - offsetX, destY - offsetY, srcImage.handle, 0, 0, 0, 0, flags); if (offsetX != 0 || offsetY != 0) OS.SetWindowOrgEx(handle, offsetX, offsetY, null); return; } /* Get the icon info */ ICONINFO srcIconInfo = new ICONINFO(); if (OS.IsWinCE) { Image.GetIconInfo(srcImage, srcIconInfo); } else { OS.GetIconInfo(srcImage.handle, srcIconInfo); } /* Get the icon width and height */ int /*long*/ hBitmap = srcIconInfo.hbmColor; if (hBitmap == 0) hBitmap = srcIconInfo.hbmMask; BITMAP bm = new BITMAP(); OS.GetObject(hBitmap, BITMAP.sizeof, bm); int iconWidth = bm.bmWidth, iconHeight = bm.bmHeight; if (hBitmap == srcIconInfo.hbmMask) iconHeight /= 2; if (simple) { srcWidth = destWidth = iconWidth; srcHeight = destHeight = iconHeight; } /* Draw the icon */ boolean failed = srcX + srcWidth > iconWidth || srcY + srcHeight > iconHeight; if (!failed) { simple = srcX == 0 && srcY == 0 && srcWidth == destWidth && srcHeight == destHeight && srcWidth == iconWidth && srcHeight == iconHeight; if (!drawIcon) { drawBitmapMask(srcImage, srcIconInfo.hbmColor, srcIconInfo.hbmMask, srcX, srcY, srcWidth, srcHeight, destX, destY, destWidth, destHeight, simple, iconWidth, iconHeight, false); } else if (simple && technology != OS.DT_RASPRINTER) { /* Simple case: no stretching, entire icon */ if (offsetX != 0 || offsetY != 0) OS.SetWindowOrgEx(handle, 0, 0, null); OS.DrawIconEx(handle, destX - offsetX, destY - offsetY, srcImage.handle, 0, 0, 0, 0, flags); if (offsetX != 0 || offsetY != 0) OS.SetWindowOrgEx(handle, offsetX, offsetY, null); } else { /* Create the icon info and HDC's */ ICONINFO newIconInfo = new ICONINFO(); newIconInfo.fIcon = true; int /*long*/ srcHdc = OS.CreateCompatibleDC(handle); int /*long*/ dstHdc = OS.CreateCompatibleDC(handle); /* Blt the color bitmap */ int srcColorY = srcY; int /*long*/ srcColor = srcIconInfo.hbmColor; if (srcColor == 0) { srcColor = srcIconInfo.hbmMask; srcColorY += iconHeight; } int /*long*/ oldSrcBitmap = OS.SelectObject(srcHdc, srcColor); newIconInfo.hbmColor = OS.CreateCompatibleBitmap(srcHdc, destWidth, destHeight); if (newIconInfo.hbmColor == 0) SWT.error(SWT.ERROR_NO_HANDLES); int /*long*/ oldDestBitmap = OS.SelectObject(dstHdc, newIconInfo.hbmColor); boolean stretch = !simple && (srcWidth != destWidth || srcHeight != destHeight); if (stretch) { if (!OS.IsWinCE) OS.SetStretchBltMode(dstHdc, OS.COLORONCOLOR); OS.StretchBlt(dstHdc, 0, 0, destWidth, destHeight, srcHdc, srcX, srcColorY, srcWidth, srcHeight, OS.SRCCOPY); } else { OS.BitBlt(dstHdc, 0, 0, destWidth, destHeight, srcHdc, srcX, srcColorY, OS.SRCCOPY); } /* Blt the mask bitmap */ OS.SelectObject(srcHdc, srcIconInfo.hbmMask); newIconInfo.hbmMask = OS.CreateBitmap(destWidth, destHeight, 1, 1, null); if (newIconInfo.hbmMask == 0) SWT.error(SWT.ERROR_NO_HANDLES); OS.SelectObject(dstHdc, newIconInfo.hbmMask); if (stretch) { OS.StretchBlt(dstHdc, 0, 0, destWidth, destHeight, srcHdc, srcX, srcY, srcWidth, srcHeight, OS.SRCCOPY); } else { OS.BitBlt(dstHdc, 0, 0, destWidth, destHeight, srcHdc, srcX, srcY, OS.SRCCOPY); } if (technology == OS.DT_RASPRINTER) { OS.SelectObject(srcHdc, newIconInfo.hbmColor); OS.SelectObject(dstHdc, newIconInfo.hbmMask); drawBitmapTransparentByClipping(srcHdc, dstHdc, 0, 0, destWidth, destHeight, destX, destY, destWidth, destHeight, true, destWidth, destHeight); OS.SelectObject(srcHdc, oldSrcBitmap); OS.SelectObject(dstHdc, oldDestBitmap); } else { OS.SelectObject(srcHdc, oldSrcBitmap); OS.SelectObject(dstHdc, oldDestBitmap); int /*long*/ hIcon = OS.CreateIconIndirect(newIconInfo); if (hIcon == 0) SWT.error(SWT.ERROR_NO_HANDLES); if (offsetX != 0 || offsetY != 0) OS.SetWindowOrgEx(handle, 0, 0, null); OS.DrawIconEx(handle, destX - offsetX, destY - offsetY, hIcon, destWidth, destHeight, 0, 0, flags); if (offsetX != 0 || offsetY != 0) OS.SetWindowOrgEx(handle, offsetX, offsetY, null); OS.DestroyIcon(hIcon); } /* Destroy the new icon src and mask and hdc's*/ OS.DeleteObject(newIconInfo.hbmMask); OS.DeleteObject(newIconInfo.hbmColor); OS.DeleteDC(dstHdc); OS.DeleteDC(srcHdc); } } /* Free icon info */ OS.DeleteObject(srcIconInfo.hbmMask); if (srcIconInfo.hbmColor != 0) { OS.DeleteObject(srcIconInfo.hbmColor); } if (failed) SWT.error(SWT.ERROR_INVALID_ARGUMENT); } void drawBitmap(Image srcImage, int srcX, int srcY, int srcWidth, int srcHeight, int destX, int destY, int destWidth, int destHeight, boolean simple) { BITMAP bm = new BITMAP(); OS.GetObject(srcImage.handle, BITMAP.sizeof, bm); int imgWidth = bm.bmWidth; int imgHeight = bm.bmHeight; if (simple) { srcWidth = destWidth = imgWidth; srcHeight = destHeight = imgHeight; } else { if (srcX + srcWidth > imgWidth || srcY + srcHeight > imgHeight) { SWT.error (SWT.ERROR_INVALID_ARGUMENT); } simple = srcX == 0 && srcY == 0 && srcWidth == destWidth && destWidth == imgWidth && srcHeight == destHeight && destHeight == imgHeight; } boolean mustRestore = false; GC memGC = srcImage.memGC; if (memGC != null && !memGC.isDisposed()) { memGC.flush(); mustRestore = true; GCData data = memGC.data; if (data.hNullBitmap != 0) { OS.SelectObject(memGC.handle, data.hNullBitmap); data.hNullBitmap = 0; } } if (srcImage.alpha != -1 || srcImage.alphaData != null) { drawBitmapAlpha(srcImage, srcX, srcY, srcWidth, srcHeight, destX, destY, destWidth, destHeight, simple, bm, imgWidth, imgHeight); } else if (srcImage.transparentPixel != -1) { drawBitmapTransparent(srcImage, srcX, srcY, srcWidth, srcHeight, destX, destY, destWidth, destHeight, simple, bm, imgWidth, imgHeight); } else { drawBitmap(srcImage, srcX, srcY, srcWidth, srcHeight, destX, destY, destWidth, destHeight, simple, bm, imgWidth, imgHeight); } if (mustRestore) { int /*long*/ hOldBitmap = OS.SelectObject(memGC.handle, srcImage.handle); memGC.data.hNullBitmap = hOldBitmap; } } void drawBitmapAlpha(Image srcImage, int srcX, int srcY, int srcWidth, int srcHeight, int destX, int destY, int destWidth, int destHeight, boolean simple, BITMAP bm, int imgWidth, int imgHeight) { /* Simple cases */ if (srcImage.alpha == 0) return; if (srcImage.alpha == 255) { drawBitmap(srcImage, srcX, srcY, srcWidth, srcHeight, destX, destY, destWidth, destHeight, simple, bm, imgWidth, imgHeight); return; } boolean alphaBlendSupport = OS.IsWinNT && OS.WIN32_VERSION >= OS.VERSION(4, 10); boolean isPrinter = OS.GetDeviceCaps(handle, OS.TECHNOLOGY) == OS.DT_RASPRINTER; if (alphaBlendSupport && isPrinter) { int caps = OS.GetDeviceCaps(handle, OS.SHADEBLENDCAPS); if (caps != 0) { if (srcImage.alpha != -1) { alphaBlendSupport = (caps & OS.SB_CONST_ALPHA) != 0; } else { alphaBlendSupport = (caps & OS.SB_PIXEL_ALPHA) != 0; } } } if (alphaBlendSupport) { BLENDFUNCTION blend = new BLENDFUNCTION(); blend.BlendOp = OS.AC_SRC_OVER; int /*long*/ srcHdc = OS.CreateCompatibleDC(handle); int /*long*/ oldSrcBitmap = OS.SelectObject(srcHdc, srcImage.handle); if (srcImage.alpha != -1) { blend.SourceConstantAlpha = (byte)srcImage.alpha; OS.AlphaBlend(handle, destX, destY, destWidth, destHeight, srcHdc, srcX, srcY, srcWidth, srcHeight, blend); } else { int /*long*/ memDib = Image.createDIB(srcWidth, srcHeight, 32); if (memDib == 0) SWT.error(SWT.ERROR_NO_HANDLES); int /*long*/ memHdc = OS.CreateCompatibleDC(handle); int /*long*/ oldMemBitmap = OS.SelectObject(memHdc, memDib); BITMAP dibBM = new BITMAP(); OS.GetObject(memDib, BITMAP.sizeof, dibBM); OS.BitBlt(memHdc, 0, 0, srcWidth, srcHeight, srcHdc, srcX, srcY, OS.SRCCOPY); byte[] srcData = new byte[dibBM.bmWidthBytes * dibBM.bmHeight]; OS.MoveMemory(srcData, dibBM.bmBits, srcData.length); final int apinc = imgWidth - srcWidth; int ap = srcY * imgWidth + srcX, sp = 0; byte[] alphaData = srcImage.alphaData; for (int y = 0; y < srcHeight; ++y) { for (int x = 0; x < srcWidth; ++x) { int alpha = alphaData[ap++] & 0xff; int r = ((srcData[sp + 0] & 0xFF) * alpha) + 128; r = (r + (r >> 8)) >> 8; int g = ((srcData[sp + 1] & 0xFF) * alpha) + 128; g = (g + (g >> 8)) >> 8; int b = ((srcData[sp + 2] & 0xFF) * alpha) + 128; b = (b + (b >> 8)) >> 8; srcData[sp+0] = (byte)r; srcData[sp+1] = (byte)g; srcData[sp+2] = (byte)b; srcData[sp+3] = (byte)alpha; sp += 4; } ap += apinc; } OS.MoveMemory(dibBM.bmBits, srcData, srcData.length); blend.SourceConstantAlpha = (byte)0xff; blend.AlphaFormat = OS.AC_SRC_ALPHA; OS.AlphaBlend(handle, destX, destY, destWidth, destHeight, memHdc, 0, 0, srcWidth, srcHeight, blend); OS.SelectObject(memHdc, oldMemBitmap); OS.DeleteDC(memHdc); OS.DeleteObject(memDib); } OS.SelectObject(srcHdc, oldSrcBitmap); OS.DeleteDC(srcHdc); return; } /* Check clipping */ Rectangle rect = getClipping(); rect = rect.intersection(new Rectangle(destX, destY, destWidth, destHeight)); if (rect.isEmpty()) return; /* * Optimization. Recalculate src and dest rectangles so that * only the clipping area is drawn. */ int sx1 = srcX + (((rect.x - destX) * srcWidth) / destWidth); int sx2 = srcX + ((((rect.x + rect.width) - destX) * srcWidth) / destWidth); int sy1 = srcY + (((rect.y - destY) * srcHeight) / destHeight); int sy2 = srcY + ((((rect.y + rect.height) - destY) * srcHeight) / destHeight); destX = rect.x; destY = rect.y; destWidth = rect.width; destHeight = rect.height; srcX = sx1; srcY = sy1; srcWidth = Math.max(1, sx2 - sx1); srcHeight = Math.max(1, sy2 - sy1); /* Create resources */ int /*long*/ srcHdc = OS.CreateCompatibleDC(handle); int /*long*/ oldSrcBitmap = OS.SelectObject(srcHdc, srcImage.handle); int /*long*/ memHdc = OS.CreateCompatibleDC(handle); int /*long*/ memDib = Image.createDIB(Math.max(srcWidth, destWidth), Math.max(srcHeight, destHeight), 32); if (memDib == 0) SWT.error(SWT.ERROR_NO_HANDLES); int /*long*/ oldMemBitmap = OS.SelectObject(memHdc, memDib); BITMAP dibBM = new BITMAP(); OS.GetObject(memDib, BITMAP.sizeof, dibBM); int sizeInBytes = dibBM.bmWidthBytes * dibBM.bmHeight; /* Get the background pixels */ OS.BitBlt(memHdc, 0, 0, destWidth, destHeight, handle, destX, destY, OS.SRCCOPY); byte[] destData = new byte[sizeInBytes]; OS.MoveMemory(destData, dibBM.bmBits, sizeInBytes); /* Get the foreground pixels */ OS.BitBlt(memHdc, 0, 0, srcWidth, srcHeight, srcHdc, srcX, srcY, OS.SRCCOPY); byte[] srcData = new byte[sizeInBytes]; OS.MoveMemory(srcData, dibBM.bmBits, sizeInBytes); /* Merge the alpha channel in place */ int alpha = srcImage.alpha; final boolean hasAlphaChannel = (srcImage.alpha == -1); if (hasAlphaChannel) { final int apinc = imgWidth - srcWidth; final int spinc = dibBM.bmWidthBytes - srcWidth * 4; int ap = srcY * imgWidth + srcX, sp = 3; byte[] alphaData = srcImage.alphaData; for (int y = 0; y < srcHeight; ++y) { for (int x = 0; x < srcWidth; ++x) { srcData[sp] = alphaData[ap++]; sp += 4; } ap += apinc; sp += spinc; } } /* Scale the foreground pixels with alpha */ OS.MoveMemory(dibBM.bmBits, srcData, sizeInBytes); /* * Bug in WinCE and Win98. StretchBlt does not correctly stretch when * the source and destination HDCs are the same. The workaround is to * stretch to a temporary HDC and blit back into the original HDC. * Note that on WinCE StretchBlt correctly compresses the image when the * source and destination HDCs are the same. * * Note that this also fails when drawing to a printer. */ if ((OS.IsWinCE && (destWidth > srcWidth || destHeight > srcHeight)) || (!OS.IsWinNT && !OS.IsWinCE) || isPrinter) { int /*long*/ tempHdc = OS.CreateCompatibleDC(handle); int /*long*/ tempDib = Image.createDIB(destWidth, destHeight, 32); if (tempDib == 0) SWT.error(SWT.ERROR_NO_HANDLES); int /*long*/ oldTempBitmap = OS.SelectObject(tempHdc, tempDib); if (!simple && (srcWidth != destWidth || srcHeight != destHeight)) { if (!OS.IsWinCE) OS.SetStretchBltMode(memHdc, OS.COLORONCOLOR); OS.StretchBlt(tempHdc, 0, 0, destWidth, destHeight, memHdc, 0, 0, srcWidth, srcHeight, OS.SRCCOPY); } else { OS.BitBlt(tempHdc, 0, 0, destWidth, destHeight, memHdc, 0, 0, OS.SRCCOPY); } OS.BitBlt(memHdc, 0, 0, destWidth, destHeight, tempHdc, 0, 0, OS.SRCCOPY); OS.SelectObject(tempHdc, oldTempBitmap); OS.DeleteObject(tempDib); OS.DeleteDC(tempHdc); } else { if (!simple && (srcWidth != destWidth || srcHeight != destHeight)) { if (!OS.IsWinCE) OS.SetStretchBltMode(memHdc, OS.COLORONCOLOR); OS.StretchBlt(memHdc, 0, 0, destWidth, destHeight, memHdc, 0, 0, srcWidth, srcHeight, OS.SRCCOPY); } else { OS.BitBlt(memHdc, 0, 0, destWidth, destHeight, memHdc, 0, 0, OS.SRCCOPY); } } OS.MoveMemory(srcData, dibBM.bmBits, sizeInBytes); /* Compose the pixels */ final int dpinc = dibBM.bmWidthBytes - destWidth * 4; int dp = 0; for (int y = 0; y < destHeight; ++y) { for (int x = 0; x < destWidth; ++x) { if (hasAlphaChannel) alpha = srcData[dp + 3] & 0xff; destData[dp] += ((srcData[dp] & 0xff) - (destData[dp] & 0xff)) * alpha / 255; destData[dp + 1] += ((srcData[dp + 1] & 0xff) - (destData[dp + 1] & 0xff)) * alpha / 255; destData[dp + 2] += ((srcData[dp + 2] & 0xff) - (destData[dp + 2] & 0xff)) * alpha / 255; dp += 4; } dp += dpinc; } /* Draw the composed pixels */ OS.MoveMemory(dibBM.bmBits, destData, sizeInBytes); OS.BitBlt(handle, destX, destY, destWidth, destHeight, memHdc, 0, 0, OS.SRCCOPY); /* Free resources */ OS.SelectObject(memHdc, oldMemBitmap); OS.DeleteDC(memHdc); OS.DeleteObject(memDib); OS.SelectObject(srcHdc, oldSrcBitmap); OS.DeleteDC(srcHdc); } void drawBitmapTransparentByClipping(int /*long*/ srcHdc, int /*long*/ maskHdc, int srcX, int srcY, int srcWidth, int srcHeight, int destX, int destY, int destWidth, int destHeight, boolean simple, int imgWidth, int imgHeight) { /* Create a clipping region from the mask */ int /*long*/ rgn = OS.CreateRectRgn(0, 0, 0, 0); for (int y=0; y<imgHeight; y++) { for (int x=0; x<imgWidth; x++) { if (OS.GetPixel(maskHdc, x, y) == 0) { int /*long*/ tempRgn = OS.CreateRectRgn(x, y, x+1, y+1); OS.CombineRgn(rgn, rgn, tempRgn, OS.RGN_OR); OS.DeleteObject(tempRgn); } } } /* Stretch the clipping mask if needed */ if (destWidth != srcWidth || destHeight != srcHeight) { int nBytes = OS.GetRegionData (rgn, 0, null); int[] lpRgnData = new int[nBytes / 4]; OS.GetRegionData (rgn, nBytes, lpRgnData); float[] lpXform = new float[] {(float)destWidth/srcWidth, 0, 0, (float)destHeight/srcHeight, 0, 0}; int /*long*/ tmpRgn = OS.ExtCreateRegion(lpXform, nBytes, lpRgnData); OS.DeleteObject(rgn); rgn = tmpRgn; } OS.OffsetRgn(rgn, destX, destY); int /*long*/ clip = OS.CreateRectRgn(0, 0, 0, 0); int result = OS.GetClipRgn(handle, clip); if (result == 1) OS.CombineRgn(rgn, rgn, clip, OS.RGN_AND); OS.SelectClipRgn(handle, rgn); int rop2 = 0; if (!OS.IsWinCE) { rop2 = OS.GetROP2(handle); } else { rop2 = OS.SetROP2 (handle, OS.R2_COPYPEN); OS.SetROP2 (handle, rop2); } int dwRop = rop2 == OS.R2_XORPEN ? OS.SRCINVERT : OS.SRCCOPY; if (!simple && (srcWidth != destWidth || srcHeight != destHeight)) { int mode = 0; if (!OS.IsWinCE) mode = OS.SetStretchBltMode(handle, OS.COLORONCOLOR); OS.StretchBlt(handle, destX, destY, destWidth, destHeight, srcHdc, srcX, srcY, srcWidth, srcHeight, dwRop); if (!OS.IsWinCE) OS.SetStretchBltMode(handle, mode); } else { OS.BitBlt(handle, destX, destY, destWidth, destHeight, srcHdc, srcX, srcY, dwRop); } OS.SelectClipRgn(handle, result == 1 ? clip : 0); OS.DeleteObject(clip); OS.DeleteObject(rgn); } void drawBitmapMask(Image srcImage, int /*long*/ srcColor, int /*long*/ srcMask, int srcX, int srcY, int srcWidth, int srcHeight, int destX, int destY, int destWidth, int destHeight, boolean simple, int imgWidth, int imgHeight, boolean offscreen) { int srcColorY = srcY; if (srcColor == 0) { srcColor = srcMask; srcColorY += imgHeight; } int /*long*/ srcHdc = OS.CreateCompatibleDC(handle); int /*long*/ oldSrcBitmap = OS.SelectObject(srcHdc, srcColor); int /*long*/ destHdc = handle; int x = destX, y = destY; int /*long*/ tempHdc = 0, tempBitmap = 0, oldTempBitmap = 0; int oldBkColor = 0, oldTextColor = 0; if (offscreen) { tempHdc = OS.CreateCompatibleDC(handle); tempBitmap = OS.CreateCompatibleBitmap(handle, destWidth, destHeight); oldTempBitmap = OS.SelectObject(tempHdc, tempBitmap); OS.BitBlt(tempHdc, 0, 0, destWidth, destHeight, handle, destX, destY, OS.SRCCOPY); destHdc = tempHdc; x = y = 0; } else { oldBkColor = OS.SetBkColor(handle, 0xFFFFFF); oldTextColor = OS.SetTextColor(handle, 0); } if (!simple && (srcWidth != destWidth || srcHeight != destHeight)) { int mode = 0; if (!OS.IsWinCE) mode = OS.SetStretchBltMode(handle, OS.COLORONCOLOR); OS.StretchBlt(destHdc, x, y, destWidth, destHeight, srcHdc, srcX, srcColorY, srcWidth, srcHeight, OS.SRCINVERT); OS.SelectObject(srcHdc, srcMask); OS.StretchBlt(destHdc, x, y, destWidth, destHeight, srcHdc, srcX, srcY, srcWidth, srcHeight, OS.SRCAND); OS.SelectObject(srcHdc, srcColor); OS.StretchBlt(destHdc, x, y, destWidth, destHeight, srcHdc, srcX, srcColorY, srcWidth, srcHeight, OS.SRCINVERT); if (!OS.IsWinCE) OS.SetStretchBltMode(handle, mode); } else { OS.BitBlt(destHdc, x, y, destWidth, destHeight, srcHdc, srcX, srcColorY, OS.SRCINVERT); OS.SetTextColor(destHdc, 0); OS.SelectObject(srcHdc, srcMask); OS.BitBlt(destHdc, x, y, destWidth, destHeight, srcHdc, srcX, srcY, OS.SRCAND); OS.SelectObject(srcHdc, srcColor); OS.BitBlt(destHdc, x, y, destWidth, destHeight, srcHdc, srcX, srcColorY, OS.SRCINVERT); } if (offscreen) { OS.BitBlt(handle, destX, destY, destWidth, destHeight, tempHdc, 0, 0, OS.SRCCOPY); OS.SelectObject(tempHdc, oldTempBitmap); OS.DeleteDC(tempHdc); OS.DeleteObject(tempBitmap); } else { OS.SetBkColor(handle, oldBkColor); OS.SetTextColor(handle, oldTextColor); } OS.SelectObject(srcHdc, oldSrcBitmap); OS.DeleteDC(srcHdc); } void drawBitmapTransparent(Image srcImage, int srcX, int srcY, int srcWidth, int srcHeight, int destX, int destY, int destWidth, int destHeight, boolean simple, BITMAP bm, int imgWidth, int imgHeight) { /* Find the RGB values for the transparent pixel. */ boolean isDib = bm.bmBits != 0; int /*long*/ hBitmap = srcImage.handle; int /*long*/ srcHdc = OS.CreateCompatibleDC(handle); int /*long*/ oldSrcBitmap = OS.SelectObject(srcHdc, hBitmap); byte[] originalColors = null; int transparentColor = srcImage.transparentColor; if (transparentColor == -1) { int transBlue = 0, transGreen = 0, transRed = 0; boolean fixPalette = false; if (bm.bmBitsPixel <= 8) { if (isDib) { /* Palette-based DIBSECTION */ if (OS.IsWinCE) { byte[] pBits = new byte[1]; OS.MoveMemory(pBits, bm.bmBits, 1); byte oldValue = pBits[0]; int mask = (0xFF << (8 - bm.bmBitsPixel)) & 0x00FF; pBits[0] = (byte)((srcImage.transparentPixel << (8 - bm.bmBitsPixel)) | (pBits[0] & ~mask)); OS.MoveMemory(bm.bmBits, pBits, 1); int color = OS.GetPixel(srcHdc, 0, 0); pBits[0] = oldValue; OS.MoveMemory(bm.bmBits, pBits, 1); transBlue = (color & 0xFF0000) >> 16; transGreen = (color & 0xFF00) >> 8; transRed = color & 0xFF; } else { int maxColors = 1 << bm.bmBitsPixel; byte[] oldColors = new byte[maxColors * 4]; OS.GetDIBColorTable(srcHdc, 0, maxColors, oldColors); int offset = srcImage.transparentPixel * 4; for (int i = 0; i < oldColors.length; i += 4) { if (i != offset) { if (oldColors[offset] == oldColors[i] && oldColors[offset+1] == oldColors[i+1] && oldColors[offset+2] == oldColors[i+2]) { fixPalette = true; break; } } } if (fixPalette) { byte[] newColors = new byte[oldColors.length]; transRed = transGreen = transBlue = 0xff; newColors[offset] = (byte)transBlue; newColors[offset+1] = (byte)transGreen; newColors[offset+2] = (byte)transRed; OS.SetDIBColorTable(srcHdc, 0, maxColors, newColors); originalColors = oldColors; } else { transBlue = oldColors[offset] & 0xFF; transGreen = oldColors[offset+1] & 0xFF; transRed = oldColors[offset+2] & 0xFF; } } } else { /* Palette-based bitmap */ int numColors = 1 << bm.bmBitsPixel; /* Set the few fields necessary to get the RGB data out */ BITMAPINFOHEADER bmiHeader = new BITMAPINFOHEADER(); bmiHeader.biSize = BITMAPINFOHEADER.sizeof; bmiHeader.biPlanes = bm.bmPlanes; bmiHeader.biBitCount = bm.bmBitsPixel; byte[] bmi = new byte[BITMAPINFOHEADER.sizeof + numColors * 4]; OS.MoveMemory(bmi, bmiHeader, BITMAPINFOHEADER.sizeof); if (OS.IsWinCE) SWT.error(SWT.ERROR_NOT_IMPLEMENTED); OS.GetDIBits(srcHdc, srcImage.handle, 0, 0, null, bmi, OS.DIB_RGB_COLORS); int offset = BITMAPINFOHEADER.sizeof + 4 * srcImage.transparentPixel; transRed = bmi[offset + 2] & 0xFF; transGreen = bmi[offset + 1] & 0xFF; transBlue = bmi[offset] & 0xFF; } } else { /* Direct color image */ int pixel = srcImage.transparentPixel; switch (bm.bmBitsPixel) { case 16: transBlue = (pixel & 0x1F) << 3; transGreen = (pixel & 0x3E0) >> 2; transRed = (pixel & 0x7C00) >> 7; break; case 24: transBlue = (pixel & 0xFF0000) >> 16; transGreen = (pixel & 0xFF00) >> 8; transRed = pixel & 0xFF; break; case 32: transBlue = (pixel & 0xFF000000) >>> 24; transGreen = (pixel & 0xFF0000) >> 16; transRed = (pixel & 0xFF00) >> 8; break; } } transparentColor = transBlue << 16 | transGreen << 8 | transRed; if (!fixPalette) srcImage.transparentColor = transparentColor; } if (OS.IsWinCE) { /* * Note in WinCE. TransparentImage uses the first entry of a palette * based image when there are multiple entries that have the same * transparent color. */ OS.TransparentImage(handle, destX, destY, destWidth, destHeight, srcHdc, srcX, srcY, srcWidth, srcHeight, transparentColor); } else if (originalColors == null && OS.IsWinNT && OS.WIN32_VERSION >= OS.VERSION(4, 10)) { int mode = OS.SetStretchBltMode(handle, OS.COLORONCOLOR); OS.TransparentBlt(handle, destX, destY, destWidth, destHeight, srcHdc, srcX, srcY, srcWidth, srcHeight, transparentColor); OS.SetStretchBltMode(handle, mode); } else { /* Create the mask for the source image */ int /*long*/ maskHdc = OS.CreateCompatibleDC(handle); int /*long*/ maskBitmap = OS.CreateBitmap(imgWidth, imgHeight, 1, 1, null); int /*long*/ oldMaskBitmap = OS.SelectObject(maskHdc, maskBitmap); OS.SetBkColor(srcHdc, transparentColor); OS.BitBlt(maskHdc, 0, 0, imgWidth, imgHeight, srcHdc, 0, 0, OS.SRCCOPY); if (originalColors != null) OS.SetDIBColorTable(srcHdc, 0, 1 << bm.bmBitsPixel, originalColors); if (OS.GetDeviceCaps(handle, OS.TECHNOLOGY) == OS.DT_RASPRINTER) { /* Most printers do not support BitBlt(), draw the source bitmap transparently using clipping */ drawBitmapTransparentByClipping(srcHdc, maskHdc, srcX, srcY, srcWidth, srcHeight, destX, destY, destWidth, destHeight, simple, imgWidth, imgHeight); } else { /* Draw the source bitmap transparently using invert/and mask/invert */ int /*long*/ tempHdc = OS.CreateCompatibleDC(handle); int /*long*/ tempBitmap = OS.CreateCompatibleBitmap(handle, destWidth, destHeight); int /*long*/ oldTempBitmap = OS.SelectObject(tempHdc, tempBitmap); OS.BitBlt(tempHdc, 0, 0, destWidth, destHeight, handle, destX, destY, OS.SRCCOPY); if (!simple && (srcWidth != destWidth || srcHeight != destHeight)) { if (!OS.IsWinCE) OS.SetStretchBltMode(tempHdc, OS.COLORONCOLOR); OS.StretchBlt(tempHdc, 0, 0, destWidth, destHeight, srcHdc, srcX, srcY, srcWidth, srcHeight, OS.SRCINVERT); OS.StretchBlt(tempHdc, 0, 0, destWidth, destHeight, maskHdc, srcX, srcY, srcWidth, srcHeight, OS.SRCAND); OS.StretchBlt(tempHdc, 0, 0, destWidth, destHeight, srcHdc, srcX, srcY, srcWidth, srcHeight, OS.SRCINVERT); } else { OS.BitBlt(tempHdc, 0, 0, destWidth, destHeight, srcHdc, srcX, srcY, OS.SRCINVERT); OS.BitBlt(tempHdc, 0, 0, destWidth, destHeight, maskHdc, srcX, srcY, OS.SRCAND); OS.BitBlt(tempHdc, 0, 0, destWidth, destHeight, srcHdc, srcX, srcY, OS.SRCINVERT); } OS.BitBlt(handle, destX, destY, destWidth, destHeight, tempHdc, 0, 0, OS.SRCCOPY); OS.SelectObject(tempHdc, oldTempBitmap); OS.DeleteDC(tempHdc); OS.DeleteObject(tempBitmap); } OS.SelectObject(maskHdc, oldMaskBitmap); OS.DeleteDC(maskHdc); OS.DeleteObject(maskBitmap); } OS.SelectObject(srcHdc, oldSrcBitmap); if (hBitmap != srcImage.handle) OS.DeleteObject(hBitmap); OS.DeleteDC(srcHdc); } void drawBitmap(Image srcImage, int srcX, int srcY, int srcWidth, int srcHeight, int destX, int destY, int destWidth, int destHeight, boolean simple, BITMAP bm, int imgWidth, int imgHeight) { int /*long*/ srcHdc = OS.CreateCompatibleDC(handle); int /*long*/ oldSrcBitmap = OS.SelectObject(srcHdc, srcImage.handle); int rop2 = 0; if (!OS.IsWinCE) { rop2 = OS.GetROP2(handle); } else { rop2 = OS.SetROP2 (handle, OS.R2_COPYPEN); OS.SetROP2 (handle, rop2); } int dwRop = rop2 == OS.R2_XORPEN ? OS.SRCINVERT : OS.SRCCOPY; if (!simple && (srcWidth != destWidth || srcHeight != destHeight)) { int mode = 0; if (!OS.IsWinCE) mode = OS.SetStretchBltMode(handle, OS.COLORONCOLOR); OS.StretchBlt(handle, destX, destY, destWidth, destHeight, srcHdc, srcX, srcY, srcWidth, srcHeight, dwRop); if (!OS.IsWinCE) OS.SetStretchBltMode(handle, mode); } else { OS.BitBlt(handle, destX, destY, destWidth, destHeight, srcHdc, srcX, srcY, dwRop); } OS.SelectObject(srcHdc, oldSrcBitmap); OS.DeleteDC(srcHdc); } /** * Draws a line, using the foreground color, between the points * (<code>x1</code>, <code>y1</code>) and (<code>x2</code>, <code>y2</code>). * * @param x1 the first point's x coordinate * @param y1 the first point's y coordinate * @param x2 the second point's x coordinate * @param y2 the second point's y coordinate * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public void drawLine (int x1, int y1, int x2, int y2) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); checkGC(DRAW); int /*long*/ gdipGraphics = data.gdipGraphics; if (gdipGraphics != 0) { Gdip.Graphics_TranslateTransform(gdipGraphics, data.gdipXOffset, data.gdipYOffset, Gdip.MatrixOrderPrepend); Gdip.Graphics_DrawLine(gdipGraphics, data.gdipPen, x1, y1, x2, y2); Gdip.Graphics_TranslateTransform(gdipGraphics, -data.gdipXOffset, -data.gdipYOffset, Gdip.MatrixOrderPrepend); return; } if ((data.style & SWT.MIRRORED) != 0) { if (data.lineWidth != 0 && data.lineWidth % 2 == 0) { x1--; x2--; } } if (OS.IsWinCE) { int [] points = new int [] {x1, y1, x2, y2}; OS.Polyline (handle, points, points.length / 2); } else { OS.MoveToEx (handle, x1, y1, 0); OS.LineTo (handle, x2, y2); } if (data.lineWidth <= 1) { OS.SetPixel (handle, x2, y2, data.foreground); } } /** * Draws the outline of an oval, using the foreground color, * within the specified rectangular area. * * The result is a circle or ellipse that fits within the * rectangle specified by the <code>x</code>, <code>y</code>, * <code>width</code>, and <code>height</code> arguments. * * The oval covers an area that is <code>width + 1</code> * pixels wide and <code>height + 1</code> pixels tall. * * * @param x the x coordinate of the upper left corner of the oval to be drawn * @param y the y coordinate of the upper left corner of the oval to be drawn * @param width the width of the oval to be drawn * @param height the height of the oval to be drawn * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public void drawOval (int x, int y, int width, int height) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); checkGC(DRAW); int /*long*/ gdipGraphics = data.gdipGraphics; if (gdipGraphics != 0) { Gdip.Graphics_TranslateTransform(gdipGraphics, data.gdipXOffset, data.gdipYOffset, Gdip.MatrixOrderPrepend); Gdip.Graphics_DrawEllipse(gdipGraphics, data.gdipPen, x, y, width, height); Gdip.Graphics_TranslateTransform(gdipGraphics, -data.gdipXOffset, -data.gdipYOffset, Gdip.MatrixOrderPrepend); return; } if ((data.style & SWT.MIRRORED) != 0) { if (data.lineWidth != 0 && data.lineWidth % 2 == 0) x--; } OS.Ellipse(handle, x, y, x + width + 1, y + height + 1); } /** * Draws the path described by the parameter. * * This operation requires the operating system's advanced * graphics subsystem which may not be available on some * platforms. * * * @param path the path to draw * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the parameter is null</li> * <li>ERROR_INVALID_ARGUMENT - if the parameter has been disposed</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_NO_GRAPHICS_LIBRARY - if advanced graphics are not available</li> * </ul> * * @see Path * * @since 3.1 */ public void drawPath (Path path) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (path == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); if (path.handle == 0) SWT.error(SWT.ERROR_INVALID_ARGUMENT); initGdip(); checkGC(DRAW); int /*long*/ gdipGraphics = data.gdipGraphics; Gdip.Graphics_TranslateTransform(gdipGraphics, data.gdipXOffset, data.gdipYOffset, Gdip.MatrixOrderPrepend); Gdip.Graphics_DrawPath(gdipGraphics, data.gdipPen, path.handle); Gdip.Graphics_TranslateTransform(gdipGraphics, -data.gdipXOffset, -data.gdipYOffset, Gdip.MatrixOrderPrepend); } /** * Draws a pixel, using the foreground color, at the specified * point (<code>x</code>, <code>y</code>). * * Note that the receiver's line attributes do not affect this * operation. * * * @param x the point's x coordinate * @param y the point's y coordinate * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @since 3.0 */ public void drawPoint (int x, int y) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (data.gdipGraphics != 0) { checkGC(DRAW); Gdip.Graphics_FillRectangle(data.gdipGraphics, getFgBrush(), x, y, 1, 1); return; } OS.SetPixel (handle, x, y, data.foreground); } /** * Draws the closed polygon which is defined by the specified array * of integer coordinates, using the receiver's foreground color. The array * contains alternating x and y values which are considered to represent * points which are the vertices of the polygon. Lines are drawn between * each consecutive pair, and between the first pair and last pair in the * array. * * @param pointArray an array of alternating x and y values which are the vertices of the polygon * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT if pointArray is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public void drawPolygon(int[] pointArray) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (pointArray == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); checkGC(DRAW); int /*long*/ gdipGraphics = data.gdipGraphics; if (gdipGraphics != 0) { Gdip.Graphics_TranslateTransform(gdipGraphics, data.gdipXOffset, data.gdipYOffset, Gdip.MatrixOrderPrepend); Gdip.Graphics_DrawPolygon(gdipGraphics, data.gdipPen, pointArray, pointArray.length / 2); Gdip.Graphics_TranslateTransform(gdipGraphics, -data.gdipXOffset, -data.gdipYOffset, Gdip.MatrixOrderPrepend); return; } if ((data.style & SWT.MIRRORED) != 0) { if (data.lineWidth != 0 && data.lineWidth % 2 == 0) { for (int i = 0; i < pointArray.length; i+=2) { pointArray[i]--; } } } OS.Polygon(handle, pointArray, pointArray.length / 2); if ((data.style & SWT.MIRRORED) != 0) { if (data.lineWidth != 0 && data.lineWidth % 2 == 0) { for (int i = 0; i < pointArray.length; i+=2) { pointArray[i]++; } } } } /** * Draws the polyline which is defined by the specified array * of integer coordinates, using the receiver's foreground color. The array * contains alternating x and y values which are considered to represent * points which are the corners of the polyline. Lines are drawn between * each consecutive pair, but not between the first pair and last pair in * the array. * * @param pointArray an array of alternating x and y values which are the corners of the polyline * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the point array is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public void drawPolyline(int[] pointArray) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (pointArray == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); checkGC(DRAW); int /*long*/ gdipGraphics = data.gdipGraphics; if (gdipGraphics != 0) { Gdip.Graphics_TranslateTransform(gdipGraphics, data.gdipXOffset, data.gdipYOffset, Gdip.MatrixOrderPrepend); Gdip.Graphics_DrawLines(gdipGraphics, data.gdipPen, pointArray, pointArray.length / 2); Gdip.Graphics_TranslateTransform(gdipGraphics, -data.gdipXOffset, -data.gdipYOffset, Gdip.MatrixOrderPrepend); return; } if ((data.style & SWT.MIRRORED) != 0) { if (data.lineWidth != 0 && data.lineWidth % 2 == 0) { for (int i = 0; i < pointArray.length; i+=2) { pointArray[i]--; } } } OS.Polyline(handle, pointArray, pointArray.length / 2); int length = pointArray.length; if (length >= 2) { if (data.lineWidth <= 1) { OS.SetPixel (handle, pointArray[length - 2], pointArray[length - 1], data.foreground); } } if ((data.style & SWT.MIRRORED) != 0) { if (data.lineWidth != 0 && data.lineWidth % 2 == 0) { for (int i = 0; i < pointArray.length; i+=2) { pointArray[i]++; } } } } /** * Draws the outline of the rectangle specified by the arguments, * using the receiver's foreground color. The left and right edges * of the rectangle are at <code>x</code> and <code>x + width</code>. * The top and bottom edges are at <code>y</code> and <code>y + height</code>. * * @param x the x coordinate of the rectangle to be drawn * @param y the y coordinate of the rectangle to be drawn * @param width the width of the rectangle to be drawn * @param height the height of the rectangle to be drawn * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public void drawRectangle (int x, int y, int width, int height) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); checkGC(DRAW); int /*long*/ gdipGraphics = data.gdipGraphics; if (gdipGraphics != 0) { if (width < 0) { x = x + width; width = -width; } if (height < 0) { y = y + height; height = -height; } Gdip.Graphics_TranslateTransform(gdipGraphics, data.gdipXOffset, data.gdipYOffset, Gdip.MatrixOrderPrepend); Gdip.Graphics_DrawRectangle(gdipGraphics, data.gdipPen, x, y, width, height); Gdip.Graphics_TranslateTransform(gdipGraphics, -data.gdipXOffset, -data.gdipYOffset, Gdip.MatrixOrderPrepend); return; } if ((data.style & SWT.MIRRORED) != 0) { /* * Note that Rectangle() subtracts one pixel in MIRRORED mode when * the pen was created with CreatePen() and its width is 0 or 1. */ if (data.lineWidth > 1) { if ((data.lineWidth % 2) == 1) x++; } else { if (data.hPen != 0 && OS.GetObject(data.hPen, 0, 0) != LOGPEN.sizeof) { x++; } } } OS.Rectangle (handle, x, y, x + width + 1, y + height + 1); } /** * Draws the outline of the specified rectangle, using the receiver's * foreground color. The left and right edges of the rectangle are at * <code>rect.x</code> and <code>rect.x + rect.width</code>. The top * and bottom edges are at <code>rect.y</code> and * <code>rect.y + rect.height</code>. * * @param rect the rectangle to draw * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the rectangle is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public void drawRectangle (Rectangle rect) { if (rect == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); drawRectangle (rect.x, rect.y, rect.width, rect.height); } /** * Draws the outline of the round-cornered rectangle specified by * the arguments, using the receiver's foreground color. The left and * right edges of the rectangle are at <code>x</code> and <code>x + width</code>. * The top and bottom edges are at <code>y</code> and <code>y + height</code>. * The roundness of the corners is specified by the * <code>arcWidth</code> and <code>arcHeight</code> arguments, which * are respectively the width and height of the ellipse used to draw * the corners. * * @param x the x coordinate of the rectangle to be drawn * @param y the y coordinate of the rectangle to be drawn * @param width the width of the rectangle to be drawn * @param height the height of the rectangle to be drawn * @param arcWidth the width of the arc * @param arcHeight the height of the arc * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public void drawRoundRectangle (int x, int y, int width, int height, int arcWidth, int arcHeight) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); checkGC(DRAW); if (data.gdipGraphics != 0) { drawRoundRectangleGdip(data.gdipGraphics, data.gdipPen, x, y, width, height, arcWidth, arcHeight); return; } if ((data.style & SWT.MIRRORED) != 0) { if (data.lineWidth != 0 && data.lineWidth % 2 == 0) x--; } if (OS.IsWinCE) { /* * Bug in WinCE PPC. On certain devices, RoundRect does not draw * all the pixels. The workaround is to draw a round rectangle * using lines and arcs. */ if (width == 0 || height == 0) return; if (arcWidth == 0 || arcHeight == 0) { drawRectangle(x, y, width, height); return; } if (width < 0) { x += width; width = -width; } if (height < 0) { y += height; height = -height; } if (arcWidth < 0) arcWidth = -arcWidth; if (arcHeight < 0) arcHeight = -arcHeight; if (arcWidth > width) arcWidth = width; if (arcHeight > height) arcHeight = height; if (arcWidth < width) { drawLine(x+arcWidth/2, y, x+width-arcWidth/2, y); drawLine(x+arcWidth/2, y+height, x+width-arcWidth/2, y+height); } if (arcHeight < height) { drawLine(x, y+arcHeight/2, x, y+height-arcHeight/2); drawLine(x+width, y+arcHeight/2, x+width, y+height-arcHeight/2); } if (arcWidth != 0 && arcHeight != 0) { drawArc(x, y, arcWidth, arcHeight, 90, 90); drawArc(x+width-arcWidth, y, arcWidth, arcHeight, 0, 90); drawArc(x+width-arcWidth, y+height-arcHeight, arcWidth, arcHeight, 0, -90); drawArc(x, y+height-arcHeight, arcWidth, arcHeight, 180, 90); } } else { OS.RoundRect(handle, x,y,x+width+1,y+height+1, arcWidth, arcHeight); } } void drawRoundRectangleGdip (int /*long*/ gdipGraphics, int /*long*/ pen, int x, int y, int width, int height, int arcWidth, int arcHeight) { int nx = x; int ny = y; int nw = width; int nh = height; int naw = arcWidth; int nah = arcHeight; if (nw < 0) { nw = 0 - nw; nx = nx - nw; } if (nh < 0) { nh = 0 - nh; ny = ny - nh; } if (naw < 0) naw = 0 - naw; if (nah < 0) nah = 0 - nah; Gdip.Graphics_TranslateTransform(gdipGraphics, data.gdipXOffset, data.gdipYOffset, Gdip.MatrixOrderPrepend); if (naw == 0 || nah == 0) { Gdip.Graphics_DrawRectangle(gdipGraphics, data.gdipPen, x, y, width, height); } else { int /*long*/ path = Gdip.GraphicsPath_new(Gdip.FillModeAlternate); if (path == 0) SWT.error(SWT.ERROR_NO_HANDLES); if (nw > naw) { if (nh > nah) { Gdip.GraphicsPath_AddArc(path, nx + nw - naw, ny, naw, nah, 0, -90); Gdip.GraphicsPath_AddArc(path, nx, ny, naw, nah, -90, -90); Gdip.GraphicsPath_AddArc(path, nx, ny + nh - nah, naw, nah, -180, -90); Gdip.GraphicsPath_AddArc(path, nx + nw - naw, ny + nh - nah, naw, nah, -270, -90); } else { Gdip.GraphicsPath_AddArc(path, nx + nw - naw, ny, naw, nh, -270, -180); Gdip.GraphicsPath_AddArc(path, nx, ny, naw, nh, -90, -180); } } else { if (nh > nah) { Gdip.GraphicsPath_AddArc(path, nx, ny, nw, nah, 0, -180); Gdip.GraphicsPath_AddArc(path, nx, ny + nh - nah, nw, nah, -180, -180); } else { Gdip.GraphicsPath_AddArc(path, nx, ny, nw, nh, 0, 360); } } Gdip.GraphicsPath_CloseFigure(path); Gdip.Graphics_DrawPath(gdipGraphics, pen, path); Gdip.GraphicsPath_delete(path); } Gdip.Graphics_TranslateTransform(gdipGraphics, -data.gdipXOffset, -data.gdipYOffset, Gdip.MatrixOrderPrepend); } /** * Draws the given string, using the receiver's current font and * foreground color. No tab expansion or carriage return processing * will be performed. The background of the rectangular area where * the string is being drawn will be filled with the receiver's * background color. * * @param string the string to be drawn * @param x the x coordinate of the top left corner of the rectangular area where the string is to be drawn * @param y the y coordinate of the top left corner of the rectangular area where the string is to be drawn * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the string is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public void drawString (String string, int x, int y) { drawString(string, x, y, false); } /** * Draws the given string, using the receiver's current font and * foreground color. No tab expansion or carriage return processing * will be performed. If <code>isTransparent</code> is <code>true</code>, * then the background of the rectangular area where the string is being * drawn will not be modified, otherwise it will be filled with the * receiver's background color. * * @param string the string to be drawn * @param x the x coordinate of the top left corner of the rectangular area where the string is to be drawn * @param y the y coordinate of the top left corner of the rectangular area where the string is to be drawn * @param isTransparent if <code>true</code> the background will be transparent, otherwise it will be opaque * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the string is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public void drawString (String string, int x, int y, boolean isTransparent) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (string == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); // TCHAR buffer = new TCHAR (getCodePage(), string, false); int length = string.length(); if (length == 0) return; char[] buffer = new char [length]; string.getChars(0, length, buffer, 0); int /*long*/ gdipGraphics = data.gdipGraphics; if (gdipGraphics != 0) { checkGC(FONT | FOREGROUND | (isTransparent ? 0 : BACKGROUND)); drawText(gdipGraphics, string, x, y, isTransparent ? SWT.DRAW_TRANSPARENT : 0, null); return; } int rop2 = 0; if (OS.IsWinCE) { rop2 = OS.SetROP2(handle, OS.R2_COPYPEN); OS.SetROP2(handle, rop2); } else { rop2 = OS.GetROP2(handle); } checkGC(FONT | FOREGROUND_TEXT | BACKGROUND_TEXT); int oldBkMode = OS.SetBkMode(handle, isTransparent ? OS.TRANSPARENT : OS.OPAQUE); RECT rect = null; SIZE size = null; int flags = 0; if ((data.style & SWT.MIRRORED) != 0) { if (!isTransparent) { size = new SIZE(); OS.GetTextExtentPoint32W(handle, buffer, length, size); rect = new RECT (); rect.left = x; rect.right = x + size.cx; rect.top = y; rect.bottom = y + size.cy; flags = OS.ETO_CLIPPED; } x--; } if (rop2 != OS.R2_XORPEN) { OS.ExtTextOutW(handle, x, y, flags, rect, buffer, length, null); } else { int foreground = OS.GetTextColor(handle); if (isTransparent) { if (size == null) { size = new SIZE(); OS.GetTextExtentPoint32W(handle, buffer, length, size); } int width = size.cx, height = size.cy; int /*long*/ hBitmap = OS.CreateCompatibleBitmap(handle, width, height); if (hBitmap == 0) SWT.error(SWT.ERROR_NO_HANDLES); int /*long*/ memDC = OS.CreateCompatibleDC(handle); int /*long*/ hOldBitmap = OS.SelectObject(memDC, hBitmap); OS.PatBlt(memDC, 0, 0, width, height, OS.BLACKNESS); OS.SetBkMode(memDC, OS.TRANSPARENT); OS.SetTextColor(memDC, foreground); OS.SelectObject(memDC, OS.GetCurrentObject(handle, OS.OBJ_FONT)); OS.ExtTextOutW(memDC, 0, 0, 0, null, buffer, length, null); OS.BitBlt(handle, x, y, width, height, memDC, 0, 0, OS.SRCINVERT); OS.SelectObject(memDC, hOldBitmap); OS.DeleteDC(memDC); OS.DeleteObject(hBitmap); } else { int background = OS.GetBkColor(handle); OS.SetTextColor(handle, foreground ^ background); OS.ExtTextOutW(handle, x, y, flags, rect, buffer, length, null); OS.SetTextColor(handle, foreground); } } OS.SetBkMode(handle, oldBkMode); } /** * Draws the given string, using the receiver's current font and * foreground color. Tab expansion and carriage return processing * are performed. The background of the rectangular area where * the text is being drawn will be filled with the receiver's * background color. * * @param string the string to be drawn * @param x the x coordinate of the top left corner of the rectangular area where the text is to be drawn * @param y the y coordinate of the top left corner of the rectangular area where the text is to be drawn * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the string is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public void drawText (String string, int x, int y) { drawText(string, x, y, SWT.DRAW_DELIMITER | SWT.DRAW_TAB); } /** * Draws the given string, using the receiver's current font and * foreground color. Tab expansion and carriage return processing * are performed. If <code>isTransparent</code> is <code>true</code>, * then the background of the rectangular area where the text is being * drawn will not be modified, otherwise it will be filled with the * receiver's background color. * * @param string the string to be drawn * @param x the x coordinate of the top left corner of the rectangular area where the text is to be drawn * @param y the y coordinate of the top left corner of the rectangular area where the text is to be drawn * @param isTransparent if <code>true</code> the background will be transparent, otherwise it will be opaque * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the string is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public void drawText (String string, int x, int y, boolean isTransparent) { int flags = SWT.DRAW_DELIMITER | SWT.DRAW_TAB; if (isTransparent) flags |= SWT.DRAW_TRANSPARENT; drawText(string, x, y, flags); } /** * Draws the given string, using the receiver's current font and * foreground color. Tab expansion, line delimiter and mnemonic * processing are performed according to the specified flags. If * <code>flags</code> includes <code>DRAW_TRANSPARENT</code>, * then the background of the rectangular area where the text is being * drawn will not be modified, otherwise it will be filled with the * receiver's background color. * * The parameter <code>flags</code> may be a combination of: * <dl> * <dt>DRAW_DELIMITER</dt> * <dd>draw multiple lines</dd> * <dt>DRAW_TAB</dt> * <dd>expand tabs</dd> * <dt>DRAW_MNEMONIC</dt> * <dd>underline the mnemonic character</dd> * <dt>DRAW_TRANSPARENT</dt> * <dd>transparent background</dd> * </dl> * * * @param string the string to be drawn * @param x the x coordinate of the top left corner of the rectangular area where the text is to be drawn * @param y the y coordinate of the top left corner of the rectangular area where the text is to be drawn * @param flags the flags specifying how to process the text * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the string is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public void drawText (String string, int x, int y, int flags) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (string == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); if (string.length() == 0) return; int /*long*/ gdipGraphics = data.gdipGraphics; if (gdipGraphics != 0) { checkGC(FONT | FOREGROUND | ((flags & SWT.DRAW_TRANSPARENT) != 0 ? 0 : BACKGROUND)); drawText(gdipGraphics, string, x, y, flags, null); return; } TCHAR buffer = new TCHAR(getCodePage(), string, false); int length = buffer.length(); if (length == 0) return; RECT rect = new RECT(); /* * Feature in Windows. For some reason DrawText(), the maximum * value for the bottom and right coordinates for the RECT that * is used to position the text is different on between Windows * versions. If this value is larger than the maximum, nothing * is drawn. On Windows 98, the limit is 0x7FFF. On Windows CE, * NT, and 2000 it is 0x6FFFFFF. And on XP, it is 0x7FFFFFFF. * The fix is to use the the smaller limit for Windows 98 and the * larger limit on the other Windows platforms. */ int limit = OS.IsWin95 ? 0x7FFF : 0x6FFFFFF; OS.SetRect(rect, x, y, limit, limit); int uFormat = OS.DT_LEFT; if ((flags & SWT.DRAW_DELIMITER) == 0) uFormat |= OS.DT_SINGLELINE; if ((flags & SWT.DRAW_TAB) != 0) uFormat |= OS.DT_EXPANDTABS; if ((flags & SWT.DRAW_MNEMONIC) == 0) uFormat |= OS.DT_NOPREFIX; if ((flags & SWT.DRAW_MNEMONIC) != 0 && (data.uiState & OS.UISF_HIDEACCEL) != 0) { uFormat |= OS.DT_HIDEPREFIX; } int rop2 = 0; if (OS.IsWinCE) { rop2 = OS.SetROP2(handle, OS.R2_COPYPEN); OS.SetROP2(handle, rop2); } else { rop2 = OS.GetROP2(handle); } checkGC(FONT | FOREGROUND_TEXT | BACKGROUND_TEXT); int oldBkMode = OS.SetBkMode(handle, (flags & SWT.DRAW_TRANSPARENT) != 0 ? OS.TRANSPARENT : OS.OPAQUE); if (rop2 != OS.R2_XORPEN) { OS.DrawText(handle, buffer, length, rect, uFormat); } else { int foreground = OS.GetTextColor(handle); if ((flags & SWT.DRAW_TRANSPARENT) != 0) { OS.DrawText(handle, buffer, buffer.length(), rect, uFormat | OS.DT_CALCRECT); int width = rect.right - rect.left; int height = rect.bottom - rect.top; int /*long*/ hBitmap = OS.CreateCompatibleBitmap(handle, width, height); if (hBitmap == 0) SWT.error(SWT.ERROR_NO_HANDLES); int /*long*/ memDC = OS.CreateCompatibleDC(handle); int /*long*/ hOldBitmap = OS.SelectObject(memDC, hBitmap); OS.PatBlt(memDC, 0, 0, width, height, OS.BLACKNESS); OS.SetBkMode(memDC, OS.TRANSPARENT); OS.SetTextColor(memDC, foreground); OS.SelectObject(memDC, OS.GetCurrentObject(handle, OS.OBJ_FONT)); OS.SetRect(rect, 0, 0, 0x7FFF, 0x7FFF); OS.DrawText(memDC, buffer, length, rect, uFormat); OS.BitBlt(handle, x, y, width, height, memDC, 0, 0, OS.SRCINVERT); OS.SelectObject(memDC, hOldBitmap); OS.DeleteDC(memDC); OS.DeleteObject(hBitmap); } else { int background = OS.GetBkColor(handle); OS.SetTextColor(handle, foreground ^ background); OS.DrawText(handle, buffer, length, rect, uFormat); OS.SetTextColor(handle, foreground); } } OS.SetBkMode(handle, oldBkMode); } boolean useGDIP (int /*long*/ hdc, char[] buffer) { if (OS.IsWinCE || !OS.IsUnicode) return false; short[] glyphs = new short[buffer.length]; OS.GetGlyphIndicesW(hdc, buffer, buffer.length, glyphs, OS.GGI_MARK_NONEXISTING_GLYPHS); for (int i = 0; i < glyphs.length; i++) { if (glyphs [i] == -1) { switch (buffer[i]) { case '\t': case '\n': case '\r': break; default: return true; } } } return false; } void drawText(int /*long*/ gdipGraphics, String string, int x, int y, int flags, Point size) { int length = string.length(); char[] chars = new char [length]; string.getChars(0, length, chars, 0); int /*long*/ hdc = Gdip.Graphics_GetHDC(gdipGraphics); int /*long*/ hFont = data.hGDIFont; if (hFont == 0 && data.font != null) hFont = data.font.handle; int /*long*/ oldFont = 0; if (hFont != 0) oldFont = OS.SelectObject(hdc, hFont); TEXTMETRIC lptm = OS.IsUnicode ? (TEXTMETRIC)new TEXTMETRICW() : new TEXTMETRICA(); OS.GetTextMetrics(hdc, lptm); boolean gdip = useGDIP(hdc, chars); if (hFont != 0) OS.SelectObject(hdc, oldFont); Gdip.Graphics_ReleaseHDC(gdipGraphics, hdc); if (gdip) { drawTextGDIP(gdipGraphics, string, x, y, flags, size == null, size); return; } int i = 0, start = 0, end = 0, drawX = x, drawY = y, width = 0, mnemonicIndex = -1; if ((flags & (SWT.DRAW_DELIMITER | SWT.DRAW_TAB | SWT.DRAW_MNEMONIC)) != 0) { int tabWidth = lptm.tmAveCharWidth * 8; while (i < length) { char c = chars [end++] = chars [i++]; switch (c) { case '\t': if ((flags & SWT.DRAW_TAB) != 0) { int l = end - start - 1; RectF bounds = drawText(gdipGraphics, chars, start, l, drawX, drawY, flags, mnemonicIndex, lptm, size == null); drawX += Math.ceil(bounds.Width); drawX = x + (((drawX - x) / tabWidth) + 1) * tabWidth; mnemonicIndex = -1; start = end; } break; case '&': if ((flags & SWT.DRAW_MNEMONIC) != 0) { if (i == length) {end--; continue;} if (chars [i] == '&') {i++; continue;} end--; mnemonicIndex = end - start; } break; case '\r': case '\n': if ((flags & SWT.DRAW_DELIMITER) != 0) { int l = end - start - 1; if (c == '\r' && end != length && chars[end] == '\n') { end++; i++; } RectF bounds = drawText(gdipGraphics, chars, start, l, drawX, drawY, flags, mnemonicIndex, lptm, size == null); drawY += Math.ceil(bounds.Height); width = Math.max(width, drawX + (int)Math.ceil(bounds.Width)); drawX = x; mnemonicIndex = -1; start = end; } break; } } length = end; } RectF bounds = drawText(gdipGraphics, chars, start, length - start, drawX, drawY, flags, mnemonicIndex, lptm, size == null); if (size != null) { drawY += Math.ceil(bounds.Height); width = Math.max(width, drawX + (int)Math.ceil(bounds.Width)); size.x = width; size.y = drawY; } } RectF drawText(int /*long*/ gdipGraphics, char[] buffer, int start, int length, int x, int y, int flags, int mnemonicIndex, TEXTMETRIC lptm, boolean draw) { boolean drawMnemonic = draw && mnemonicIndex != -1 && (data.uiState & OS.UISF_HIDEACCEL) == 0; boolean needsBounds = !draw || drawMnemonic || (flags & SWT.DRAW_TRANSPARENT) == 0 || (data.style & SWT.MIRRORED) != 0 || (flags & SWT.DRAW_DELIMITER) != 0; if (length <= 0) { RectF bounds = null; if (needsBounds) { bounds = new RectF(); bounds.Height = lptm.tmHeight; } return bounds; } int nGlyphs = (length * 3 / 2) + 16; GCP_RESULTS result = new GCP_RESULTS(); result.lStructSize = GCP_RESULTS.sizeof; result.nGlyphs = nGlyphs; int /*long*/ hHeap = OS.GetProcessHeap(); int /*long*/ lpDx = result.lpDx = OS.HeapAlloc(hHeap, OS.HEAP_ZERO_MEMORY, nGlyphs * 4); int /*long*/ lpGlyphs = result.lpGlyphs = OS.HeapAlloc(hHeap, OS.HEAP_ZERO_MEMORY, nGlyphs * 2); int /*long*/ lpOrder = 0; int dwFlags = OS.GCP_GLYPHSHAPE | OS.GCP_REORDER | OS.GCP_LIGATE; if (drawMnemonic) { lpOrder = result.lpOrder = OS.HeapAlloc(hHeap, OS.HEAP_ZERO_MEMORY, nGlyphs * 4); } int /*long*/ hdc = Gdip.Graphics_GetHDC(gdipGraphics); int /*long*/ hFont = data.hGDIFont; if (hFont == 0 && data.font != null) hFont = data.font.handle; int /*long*/ oldFont = 0; if (hFont != 0) oldFont = OS.SelectObject(hdc, hFont); if (start != 0) { char[] temp = new char[length]; System.arraycopy(buffer, start, temp, 0, length); buffer = temp; } if ((data.style & SWT.MIRRORED) != 0) OS.SetLayout(hdc, OS.GetLayout(hdc) | OS.LAYOUT_RTL); OS.GetCharacterPlacementW(hdc, buffer, length, 0, result, dwFlags); if ((data.style & SWT.MIRRORED) != 0) OS.SetLayout(hdc, OS.GetLayout(hdc) & ~OS.LAYOUT_RTL); if (hFont != 0) OS.SelectObject(hdc, oldFont); Gdip.Graphics_ReleaseHDC(gdipGraphics, hdc); nGlyphs = result.nGlyphs; int drawX = x, drawY = y + lptm.tmAscent; int[] dx = new int[nGlyphs]; OS.MoveMemory(dx, result.lpDx, nGlyphs * 4); float[] points = new float[dx.length * 2]; for (int i = 0, j = 0; i < dx.length; i++) { points[j++] = drawX; points[j++] = drawY; drawX += dx[i]; } RectF bounds = null; if (needsBounds) { bounds = new RectF(); Gdip.Graphics_MeasureDriverString(gdipGraphics, lpGlyphs, nGlyphs, data.gdipFont, points, 0, 0, bounds); } if (draw) { if ((flags & SWT.DRAW_TRANSPARENT) == 0) { Gdip.Graphics_FillRectangle(gdipGraphics, data.gdipBrush, x, y, (int)Math.ceil(bounds.Width), (int)Math.ceil(bounds.Height)); } int gstate = 0; int /*long*/ brush = getFgBrush(); if ((data.style & SWT.MIRRORED) != 0) { switch (Gdip.Brush_GetType(brush)) { case Gdip.BrushTypeLinearGradient: Gdip.LinearGradientBrush_ScaleTransform(brush, -1, 1, Gdip.MatrixOrderPrepend); Gdip.LinearGradientBrush_TranslateTransform(brush, - 2 * x - bounds.Width, 0, Gdip.MatrixOrderPrepend); break; case Gdip.BrushTypeTextureFill: Gdip.TextureBrush_ScaleTransform(brush, -1, 1, Gdip.MatrixOrderPrepend); Gdip.TextureBrush_TranslateTransform(brush, - 2 * x - bounds.Width, 0, Gdip.MatrixOrderPrepend); break; } gstate = Gdip.Graphics_Save(gdipGraphics); Gdip.Graphics_ScaleTransform(gdipGraphics, -1, 1, Gdip.MatrixOrderPrepend); Gdip.Graphics_TranslateTransform(gdipGraphics, - 2 * x - bounds.Width, 0, Gdip.MatrixOrderPrepend); } Gdip.Graphics_DrawDriverString(gdipGraphics, lpGlyphs, result.nGlyphs, data.gdipFont, brush, points, 0, 0); if ((data.style & SWT.MIRRORED) != 0) { switch (Gdip.Brush_GetType(brush)) { case Gdip.BrushTypeLinearGradient: Gdip.LinearGradientBrush_ResetTransform(brush); break; case Gdip.BrushTypeTextureFill: Gdip.TextureBrush_ResetTransform(brush); break; } Gdip.Graphics_Restore(gdipGraphics, gstate); } if (drawMnemonic) { int /*long*/ pen = Gdip.Pen_new(brush, 1); if (pen != 0) { int[] order = new int[1]; OS.MoveMemory(order, result.lpOrder + mnemonicIndex * 4, 4); int mnemonicLeft, mnemonicRight; if ((data.style & SWT.MIRRORED) != 0) { mnemonicLeft = (int)Math.ceil(bounds.Width) - (int)points[order[0] * 2] + 2 * x; mnemonicRight = mnemonicLeft - dx[order[0]]; } else { mnemonicLeft = (int)points[order[0] * 2]; mnemonicRight = mnemonicLeft + dx[order[0]]; } int mnemonicY = y + lptm.tmAscent + 2; int smoothingMode = Gdip.Graphics_GetSmoothingMode(gdipGraphics); Gdip.Graphics_SetSmoothingMode(gdipGraphics, Gdip.SmoothingModeNone); Gdip.Graphics_DrawLine(gdipGraphics, pen, mnemonicLeft, mnemonicY, mnemonicRight, mnemonicY); Gdip.Graphics_SetSmoothingMode(gdipGraphics, smoothingMode); Gdip.Pen_delete(pen); } } } if (lpOrder != 0) OS.HeapFree(hHeap, 0, lpOrder); OS.HeapFree(hHeap, 0, lpGlyphs); OS.HeapFree(hHeap, 0, lpDx); return bounds; } void drawTextGDIP(int /*long*/ gdipGraphics, String string, int x, int y, int flags, boolean draw, Point size) { boolean needsBounds = !draw || (flags & SWT.DRAW_TRANSPARENT) == 0; char[] buffer; int length = string.length(); if (length != 0) { buffer = new char [length]; string.getChars(0, length, buffer, 0); } else { if (draw) return; buffer = new char[]{' '}; } PointF pt = new PointF(); int /*long*/ format = Gdip.StringFormat_Clone(Gdip.StringFormat_GenericTypographic()); int formatFlags = Gdip.StringFormat_GetFormatFlags(format) | Gdip.StringFormatFlagsMeasureTrailingSpaces; if ((data.style & SWT.MIRRORED) != 0) formatFlags |= Gdip.StringFormatFlagsDirectionRightToLeft; Gdip.StringFormat_SetFormatFlags(format, formatFlags); float[] tabs = (flags & SWT.DRAW_TAB) != 0 ? new float[]{measureSpace(data.gdipFont, format) * 8} : new float[1]; Gdip.StringFormat_SetTabStops(format, 0, tabs.length, tabs); int hotkeyPrefix = (flags & SWT.DRAW_MNEMONIC) != 0 ? Gdip.HotkeyPrefixShow : Gdip.HotkeyPrefixNone; if ((flags & SWT.DRAW_MNEMONIC) != 0 && (data.uiState & OS.UISF_HIDEACCEL) != 0) hotkeyPrefix = Gdip.HotkeyPrefixHide; Gdip.StringFormat_SetHotkeyPrefix(format, hotkeyPrefix); RectF bounds = null; if (needsBounds) { bounds = new RectF(); Gdip.Graphics_MeasureString(gdipGraphics, buffer, buffer.length, data.gdipFont, pt, format, bounds); } if (draw) { if ((flags & SWT.DRAW_TRANSPARENT) == 0) { Gdip.Graphics_FillRectangle(gdipGraphics, data.gdipBrush, x, y, (int)Math.ceil(bounds.Width), (int)Math.ceil(bounds.Height)); } int gstate = 0; int /*long*/ brush = getFgBrush(); if ((data.style & SWT.MIRRORED) != 0) { switch (Gdip.Brush_GetType(brush)) { case Gdip.BrushTypeLinearGradient: Gdip.LinearGradientBrush_ScaleTransform(brush, -1, 1, Gdip.MatrixOrderPrepend); Gdip.LinearGradientBrush_TranslateTransform(brush, - 2 * x, 0, Gdip.MatrixOrderPrepend); break; case Gdip.BrushTypeTextureFill: Gdip.TextureBrush_ScaleTransform(brush, -1, 1, Gdip.MatrixOrderPrepend); Gdip.TextureBrush_TranslateTransform(brush, - 2 * x, 0, Gdip.MatrixOrderPrepend); break; } gstate = Gdip.Graphics_Save(gdipGraphics); Gdip.Graphics_ScaleTransform(gdipGraphics, -1, 1, Gdip.MatrixOrderPrepend); Gdip.Graphics_TranslateTransform(gdipGraphics, - 2 * x, 0, Gdip.MatrixOrderPrepend); } pt.X = x; pt.Y = y; Gdip.Graphics_DrawString(gdipGraphics, buffer, buffer.length, data.gdipFont, pt, format, brush); if ((data.style & SWT.MIRRORED) != 0) { switch (Gdip.Brush_GetType(brush)) { case Gdip.BrushTypeLinearGradient: Gdip.LinearGradientBrush_ResetTransform(brush); break; case Gdip.BrushTypeTextureFill: Gdip.TextureBrush_ResetTransform(brush); break; } Gdip.Graphics_Restore(gdipGraphics, gstate); } } Gdip.StringFormat_delete(format); if (length == 0) bounds.Width = 0; if (size != null) { size.x = (int)Math.ceil(bounds.Width); size.y = (int)Math.ceil(bounds.Height); } } /** * Compares the argument to the receiver, and returns true * if they represent the same object using a class * specific comparison. * * @param object the object to compare with this object * @return <code>true</code> if the object is the same as this object and <code>false</code> otherwise * * @see #hashCode */ public boolean equals (Object object) { return (object == this) || ((object instanceof GC) && (handle == ((GC)object).handle)); } /** * Fills the interior of a circular or elliptical arc within * the specified rectangular area, with the receiver's background * color. * * The resulting arc begins at <code>startAngle</code> and extends * for <code>arcAngle</code> degrees, using the current color. * Angles are interpreted such that 0 degrees is at the 3 o'clock * position. A positive value indicates a counter-clockwise rotation * while a negative value indicates a clockwise rotation. * * The center of the arc is the center of the rectangle whose origin * is (<code>x</code>, <code>y</code>) and whose size is specified by the * <code>width</code> and <code>height</code> arguments. * * The resulting arc covers an area <code>width + 1</code> pixels wide * by <code>height + 1</code> pixels tall. * * * @param x the x coordinate of the upper-left corner of the arc to be filled * @param y the y coordinate of the upper-left corner of the arc to be filled * @param width the width of the arc to be filled * @param height the height of the arc to be filled * @param startAngle the beginning angle * @param arcAngle the angular extent of the arc, relative to the start angle * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @see #drawArc */ public void fillArc (int x, int y, int width, int height, int startAngle, int arcAngle) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); checkGC(FILL); if (width < 0) { x = x + width; width = -width; } if (height < 0) { y = y + height; height = -height; } if (width == 0 || height == 0 || arcAngle == 0) return; int /*long*/ gdipGraphics = data.gdipGraphics; if (gdipGraphics != 0) { if (width == height) { Gdip.Graphics_FillPie(gdipGraphics, data.gdipBrush, x, y, width, height, -startAngle, -arcAngle); } else { int state = Gdip.Graphics_Save(gdipGraphics); Gdip.Graphics_TranslateTransform(gdipGraphics, x, y, Gdip.MatrixOrderPrepend); Gdip.Graphics_ScaleTransform(gdipGraphics, width, height, Gdip.MatrixOrderPrepend); Gdip.Graphics_FillPie(gdipGraphics, data.gdipBrush, 0, 0, 1, 1, -startAngle, -arcAngle); Gdip.Graphics_Restore(gdipGraphics, state); } return; } if ((data.style & SWT.MIRRORED) != 0) x--; /* * Feature in WinCE. The function Pie is not present in the * WinCE SDK. The fix is to emulate it by using Polygon. */ if (OS.IsWinCE) { /* compute arc with a simple linear interpolation */ if (arcAngle < 0) { startAngle += arcAngle; arcAngle = -arcAngle; } boolean drawSegments = true; if (arcAngle >= 360) { arcAngle = 360; drawSegments = false; } int[] points = new int[(arcAngle + 1) * 2 + (drawSegments ? 4 : 0)]; int cteX = 2 * x + width; int cteY = 2 * y + height; int index = (drawSegments ? 2 : 0); for (int i = 0; i <= arcAngle; i++) { points[index++] = (Compatibility.cos(startAngle + i, width) + cteX) >> 1; points[index++] = (cteY - Compatibility.sin(startAngle + i, height)) >> 1; } if (drawSegments) { points[0] = points[points.length - 2] = cteX >> 1; points[1] = points[points.length - 1] = cteY >> 1; } OS.Polygon(handle, points, points.length / 2); } else { int x1, y1, x2, y2,tmp; boolean isNegative; if (arcAngle >= 360 || arcAngle <= -360) { x1 = x2 = x + width; y1 = y2 = y + height / 2; } else { isNegative = arcAngle < 0; arcAngle = arcAngle + startAngle; if (isNegative) { // swap angles tmp = startAngle; startAngle = arcAngle; arcAngle = tmp; } x1 = Compatibility.cos(startAngle, width) + x + width/2; y1 = -1 * Compatibility.sin(startAngle, height) + y + height/2; x2 = Compatibility.cos(arcAngle, width) + x + width/2; y2 = -1 * Compatibility.sin(arcAngle, height) + y + height/2; } OS.Pie(handle, x, y, x + width + 1, y + height + 1, x1, y1, x2, y2); } } /** * Fills the interior of the specified rectangle with a gradient * sweeping from left to right or top to bottom progressing * from the receiver's foreground color to its background color. * * @param x the x coordinate of the rectangle to be filled * @param y the y coordinate of the rectangle to be filled * @param width the width of the rectangle to be filled, may be negative * (inverts direction of gradient if horizontal) * @param height the height of the rectangle to be filled, may be negative * (inverts direction of gradient if vertical) * @param vertical if true sweeps from top to bottom, else * sweeps from left to right * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @see #drawRectangle(int, int, int, int) */ public void fillGradientRectangle(int x, int y, int width, int height, boolean vertical) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (width == 0 || height == 0) return; RGB backgroundRGB, foregroundRGB; backgroundRGB = getBackground().getRGB(); foregroundRGB = getForeground().getRGB(); RGB fromRGB, toRGB; fromRGB = foregroundRGB; toRGB = backgroundRGB; boolean swapColors = false; if (width < 0) { x += width; width = -width; if (! vertical) swapColors = true; } if (height < 0) { y += height; height = -height; if (vertical) swapColors = true; } if (swapColors) { fromRGB = backgroundRGB; toRGB = foregroundRGB; } if (fromRGB.equals(toRGB)) { fillRectangle(x, y, width, height); return; } if (data.gdipGraphics != 0) { initGdip(); PointF p1= new PointF(), p2 = new PointF(); p1.X = x; p1.Y = y; if (vertical) { p2.X = p1.X; p2.Y = p1.Y + height; } else { p2.X = p1.X + width; p2.Y = p1.Y; } int rgb = ((fromRGB.red & 0xFF) << 16) | ((fromRGB.green & 0xFF) << 8) | (fromRGB.blue & 0xFF); int /*long*/ fromGpColor = Gdip.Color_new(data.alpha << 24 | rgb); if (fromGpColor == 0) SWT.error(SWT.ERROR_NO_HANDLES); rgb = ((toRGB.red & 0xFF) << 16) | ((toRGB.green & 0xFF) << 8) | (toRGB.blue & 0xFF); int /*long*/ toGpColor = Gdip.Color_new(data.alpha << 24 | rgb); if (toGpColor == 0) SWT.error(SWT.ERROR_NO_HANDLES); int /*long*/ brush = Gdip.LinearGradientBrush_new(p1, p2, fromGpColor, toGpColor); Gdip.Graphics_FillRectangle(data.gdipGraphics, brush, x, y, width, height); Gdip.LinearGradientBrush_delete(brush); Gdip.Color_delete(fromGpColor); Gdip.Color_delete(toGpColor); return; } /* Use GradientFill if supported, only on Windows 98, 2000 and newer. */ /* * Bug in Windows: On Windows 2000 when the device is a printer, * GradientFill swaps red and blue color components, causing the * gradient to be printed in the wrong color. On Windows 98 when * the device is a printer, GradientFill does not fill completely * to the right edge of the rectangle. The fix is not to use * GradientFill for printer devices. */ int rop2 = 0; if (OS.IsWinCE) { rop2 = OS.SetROP2(handle, OS.R2_COPYPEN); OS.SetROP2(handle, rop2); } else { rop2 = OS.GetROP2(handle); } if (OS.IsWinNT && rop2 != OS.R2_XORPEN && OS.GetDeviceCaps(handle, OS.TECHNOLOGY) != OS.DT_RASPRINTER) { final int /*long*/ hHeap = OS.GetProcessHeap(); final int /*long*/ pMesh = OS.HeapAlloc(hHeap, OS.HEAP_ZERO_MEMORY, GRADIENT_RECT.sizeof + TRIVERTEX.sizeof * 2); if (pMesh == 0) SWT.error(SWT.ERROR_NO_HANDLES); final int /*long*/ pVertex = pMesh + GRADIENT_RECT.sizeof; GRADIENT_RECT gradientRect = new GRADIENT_RECT(); gradientRect.UpperLeft = 0; gradientRect.LowerRight = 1; OS.MoveMemory(pMesh, gradientRect, GRADIENT_RECT.sizeof); TRIVERTEX trivertex = new TRIVERTEX(); trivertex.x = x; trivertex.y = y; trivertex.Red = (short)((fromRGB.red << 8) | fromRGB.red); trivertex.Green = (short)((fromRGB.green << 8) | fromRGB.green); trivertex.Blue = (short)((fromRGB.blue << 8) | fromRGB.blue); trivertex.Alpha = -1; OS.MoveMemory(pVertex, trivertex, TRIVERTEX.sizeof); trivertex.x = x + width; trivertex.y = y + height; trivertex.Red = (short)((toRGB.red << 8) | toRGB.red); trivertex.Green = (short)((toRGB.green << 8) | toRGB.green); trivertex.Blue = (short)((toRGB.blue << 8) | toRGB.blue); trivertex.Alpha = -1; OS.MoveMemory(pVertex + TRIVERTEX.sizeof, trivertex, TRIVERTEX.sizeof); boolean success = OS.GradientFill(handle, pVertex, 2, pMesh, 1, vertical ? OS.GRADIENT_FILL_RECT_V : OS.GRADIENT_FILL_RECT_H); OS.HeapFree(hHeap, 0, pMesh); if (success) return; } final int depth = OS.GetDeviceCaps(handle, OS.BITSPIXEL); final int bitResolution = (depth >= 24) ? 8 : (depth >= 15) ? 5 : 0; ImageData.fillGradientRectangle(this, data.device, x, y, width, height, vertical, fromRGB, toRGB, bitResolution, bitResolution, bitResolution); } /** * Fills the interior of an oval, within the specified * rectangular area, with the receiver's background * color. * * @param x the x coordinate of the upper left corner of the oval to be filled * @param y the y coordinate of the upper left corner of the oval to be filled * @param width the width of the oval to be filled * @param height the height of the oval to be filled * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @see #drawOval */ public void fillOval (int x, int y, int width, int height) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); checkGC(FILL); if (data.gdipGraphics != 0) { Gdip.Graphics_FillEllipse(data.gdipGraphics, data.gdipBrush, x, y, width, height); return; } if ((data.style & SWT.MIRRORED) != 0) x--; OS.Ellipse(handle, x, y, x + width + 1, y + height + 1); } /** * Fills the path described by the parameter. * * This operation requires the operating system's advanced * graphics subsystem which may not be available on some * platforms. * * * @param path the path to fill * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the parameter is null</li> * <li>ERROR_INVALID_ARGUMENT - if the parameter has been disposed</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_NO_GRAPHICS_LIBRARY - if advanced graphics are not available</li> * </ul> * * @see Path * * @since 3.1 */ public void fillPath (Path path) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (path == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); if (path.handle == 0) SWT.error(SWT.ERROR_INVALID_ARGUMENT); initGdip(); checkGC(FILL); int mode = OS.GetPolyFillMode(handle) == OS.WINDING ? Gdip.FillModeWinding : Gdip.FillModeAlternate; Gdip.GraphicsPath_SetFillMode(path.handle, mode); Gdip.Graphics_FillPath(data.gdipGraphics, data.gdipBrush, path.handle); } /** * Fills the interior of the closed polygon which is defined by the * specified array of integer coordinates, using the receiver's * background color. The array contains alternating x and y values * which are considered to represent points which are the vertices of * the polygon. Lines are drawn between each consecutive pair, and * between the first pair and last pair in the array. * * @param pointArray an array of alternating x and y values which are the vertices of the polygon * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT if pointArray is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @see #drawPolygon */ public void fillPolygon(int[] pointArray) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (pointArray == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); checkGC(FILL); if (data.gdipGraphics != 0) { int mode = OS.GetPolyFillMode(handle) == OS.WINDING ? Gdip.FillModeWinding : Gdip.FillModeAlternate; Gdip.Graphics_FillPolygon(data.gdipGraphics, data.gdipBrush, pointArray, pointArray.length / 2, mode); return; } if ((data.style & SWT.MIRRORED) != 0) { for (int i = 0; i < pointArray.length; i+=2) { pointArray[i]--; } } OS.Polygon(handle, pointArray, pointArray.length / 2); if ((data.style & SWT.MIRRORED) != 0) { for (int i = 0; i < pointArray.length; i+=2) { pointArray[i]++; } } } /** * Fills the interior of the rectangle specified by the arguments, * using the receiver's background color. * * @param x the x coordinate of the rectangle to be filled * @param y the y coordinate of the rectangle to be filled * @param width the width of the rectangle to be filled * @param height the height of the rectangle to be filled * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @see #drawRectangle(int, int, int, int) */ public void fillRectangle (int x, int y, int width, int height) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); checkGC(FILL); if (data.gdipGraphics != 0) { if (width < 0) { x = x + width; width = -width; } if (height < 0) { y = y + height; height = -height; } Gdip.Graphics_FillRectangle(data.gdipGraphics, data.gdipBrush, x, y, width, height); return; } int rop2 = 0; if (OS.IsWinCE) { rop2 = OS.SetROP2(handle, OS.R2_COPYPEN); OS.SetROP2(handle, rop2); } else { rop2 = OS.GetROP2(handle); } int dwRop = rop2 == OS.R2_XORPEN ? OS.PATINVERT : OS.PATCOPY; OS.PatBlt(handle, x, y, width, height, dwRop); } /** * Fills the interior of the specified rectangle, using the receiver's * background color. * * @param rect the rectangle to be filled * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the rectangle is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @see #drawRectangle(int, int, int, int) */ public void fillRectangle (Rectangle rect) { if (rect == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); fillRectangle (rect.x, rect.y, rect.width, rect.height); } /** * Fills the interior of the round-cornered rectangle specified by * the arguments, using the receiver's background color. * * @param x the x coordinate of the rectangle to be filled * @param y the y coordinate of the rectangle to be filled * @param width the width of the rectangle to be filled * @param height the height of the rectangle to be filled * @param arcWidth the width of the arc * @param arcHeight the height of the arc * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @see #drawRoundRectangle */ public void fillRoundRectangle (int x, int y, int width, int height, int arcWidth, int arcHeight) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); checkGC(FILL); if (data.gdipGraphics != 0) { fillRoundRectangleGdip(data.gdipGraphics, data.gdipBrush, x, y, width, height, arcWidth, arcHeight); return; } if ((data.style & SWT.MIRRORED) != 0) x--; OS.RoundRect(handle, x,y,x+width+1,y+height+1,arcWidth, arcHeight); } void fillRoundRectangleGdip (int /*long*/ gdipGraphics, int /*long*/ brush, int x, int y, int width, int height, int arcWidth, int arcHeight) { int nx = x; int ny = y; int nw = width; int nh = height; int naw = arcWidth; int nah = arcHeight; if (nw < 0) { nw = 0 - nw; nx = nx - nw; } if (nh < 0) { nh = 0 - nh; ny = ny -nh; } if (naw < 0) naw = 0 - naw; if (nah < 0) nah = 0 - nah; if (naw == 0 || nah == 0) { Gdip.Graphics_FillRectangle(data.gdipGraphics, data.gdipBrush, x, y, width, height); } else { int /*long*/ path = Gdip.GraphicsPath_new(Gdip.FillModeAlternate); if (path == 0) SWT.error(SWT.ERROR_NO_HANDLES); if (nw > naw) { if (nh > nah) { Gdip.GraphicsPath_AddArc(path, nx + nw - naw, ny, naw, nah, 0, -90); Gdip.GraphicsPath_AddArc(path, nx, ny, naw, nah, -90, -90); Gdip.GraphicsPath_AddArc(path, nx, ny + nh - nah, naw, nah, -180, -90); Gdip.GraphicsPath_AddArc(path, nx + nw - naw, ny + nh - nah, naw, nah, -270, -90); } else { Gdip.GraphicsPath_AddArc(path, nx + nw - naw, ny, naw, nh, -270, -180); Gdip.GraphicsPath_AddArc(path, nx, ny, naw, nh, -90, -180); } } else { if (nh > nah) { Gdip.GraphicsPath_AddArc(path, nx, ny, nw, nah, 0, -180); Gdip.GraphicsPath_AddArc(path, nx, ny + nh - nah, nw, nah, -180, -180); } else { Gdip.GraphicsPath_AddArc(path, nx, ny, nw, nh, 0, 360); } } Gdip.GraphicsPath_CloseFigure(path); Gdip.Graphics_FillPath(gdipGraphics, brush, path); Gdip.GraphicsPath_delete(path); } } void flush () { if (data.gdipGraphics != 0) { Gdip.Graphics_Flush(data.gdipGraphics, 0); /* * Note Flush() does not flush the output to the * underline HDC. This is done by calling GetHDC() * followed by ReleaseHDC(). */ int /*long*/ hdc = Gdip.Graphics_GetHDC(data.gdipGraphics); Gdip.Graphics_ReleaseHDC(data.gdipGraphics, hdc); } } /** * Returns the advance width of the specified character in * the font which is currently selected into the receiver. * * The advance width is defined as the horizontal distance the cursor * should move after printing the character in the selected font. * * * @param ch the character to measure * @return the distance in the x direction to move past the character before painting the next * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public int getAdvanceWidth(char ch) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); checkGC(FONT); if (OS.IsWinCE) { SIZE size = new SIZE(); OS.GetTextExtentPoint32W(handle, new char[]{ch}, 1, size); return size.cx; } int tch = ch; if (ch > 0x7F) { TCHAR buffer = new TCHAR(getCodePage(), ch, false); tch = buffer.tcharAt(0); } int[] width = new int[1]; OS.GetCharWidth(handle, tch, tch, width); return width[0]; } /** * Returns <code>true</code> if receiver is using the operating system's * advanced graphics subsystem. Otherwise, <code>false</code> is returned * to indicate that normal graphics are in use. * * Advanced graphics may not be installed for the operating system. In this * case, <code>false</code> is always returned. Some operating system have * only one graphics subsystem. If this subsystem supports advanced graphics, * then <code>true</code> is always returned. If any graphics operation such * as alpha, antialias, patterns, interpolation, paths, clipping or transformation * has caused the receiver to switch from regular to advanced graphics mode, * <code>true</code> is returned. If the receiver has been explicitly switched * to advanced mode and this mode is supported, <code>true</code> is returned. * * * @return the advanced value * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @see #setAdvanced * * @since 3.1 */ public boolean getAdvanced() { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); return data.gdipGraphics != 0; } /** * Returns the receiver's alpha value. The alpha value * is between 0 (transparent) and 255 (opaque). * * @return the alpha value * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @since 3.1 */ public int getAlpha() { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); return data.alpha; } /** * Returns the receiver's anti-aliasing setting value, which will be * one of <code>SWT.DEFAULT</code>, <code>SWT.OFF</code> or * <code>SWT.ON</code>. Note that this controls anti-aliasing for all * non-text drawing operations. * * @return the anti-aliasing setting * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @see #getTextAntialias * * @since 3.1 */ public int getAntialias() { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (data.gdipGraphics == 0) return SWT.DEFAULT; int mode = Gdip.Graphics_GetSmoothingMode(data.gdipGraphics); switch (mode) { case Gdip.SmoothingModeDefault: return SWT.DEFAULT; case Gdip.SmoothingModeHighSpeed: case Gdip.SmoothingModeNone: return SWT.OFF; case Gdip.SmoothingModeAntiAlias: case Gdip.SmoothingModeAntiAlias8x8: case Gdip.SmoothingModeHighQuality: return SWT.ON; } return SWT.DEFAULT; } /** * Returns the background color. * * @return the receiver's background color * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public Color getBackground() { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); return Color.win32_new(data.device, data.background); } /** * Returns the background pattern. The default value is * <code>null</code>. * * @return the receiver's background pattern * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @see Pattern * * @since 3.1 */ public Pattern getBackgroundPattern() { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); return data.backgroundPattern; } /** * Returns the width of the specified character in the font * selected into the receiver. * * The width is defined as the space taken up by the actual * character, not including the leading and tailing whitespace * or overhang. * * * @param ch the character to measure * @return the width of the character * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public int getCharWidth(char ch) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); checkGC(FONT); /* GetCharABCWidths only succeeds on truetype fonts */ if (!OS.IsWinCE) { int tch = ch; if (ch > 0x7F) { TCHAR buffer = new TCHAR(getCodePage(), ch, false); tch = buffer.tcharAt (0); } int[] width = new int[3]; if (OS.GetCharABCWidths(handle, tch, tch, width)) { return width[1]; } } /* It wasn't a truetype font */ TEXTMETRIC lptm = OS.IsUnicode ? (TEXTMETRIC)new TEXTMETRICW() : new TEXTMETRICA(); OS.GetTextMetrics(handle, lptm); SIZE size = new SIZE(); OS.GetTextExtentPoint32W(handle, new char[]{ch}, 1, size); return size.cx - lptm.tmOverhang; } /** * Returns the bounding rectangle of the receiver's clipping * region. If no clipping region is set, the return value * will be a rectangle which covers the entire bounds of the * object the receiver is drawing on. * * @return the bounding rectangle of the clipping region * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public Rectangle getClipping() { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); int /*long*/ gdipGraphics = data.gdipGraphics; if (gdipGraphics != 0) { Rect rect = new Rect(); Gdip.Graphics_SetPixelOffsetMode(gdipGraphics, Gdip.PixelOffsetModeNone); Gdip.Graphics_GetVisibleClipBounds(gdipGraphics, rect); Gdip.Graphics_SetPixelOffsetMode(gdipGraphics, Gdip.PixelOffsetModeHalf); return new Rectangle(rect.X, rect.Y, rect.Width, rect.Height); } RECT rect = new RECT(); OS.GetClipBox(handle, rect); return new Rectangle(rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top); } /** * Sets the region managed by the argument to the current * clipping region of the receiver. * * @param region the region to fill with the clipping region * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the region is null</li> * <li>ERROR_INVALID_ARGUMENT - if the region is disposed</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public void getClipping (Region region) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (region == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); if (region.isDisposed()) SWT.error (SWT.ERROR_INVALID_ARGUMENT); int /*long*/ gdipGraphics = data.gdipGraphics; if (gdipGraphics != 0) { int /*long*/ rgn = Gdip.Region_new(); Gdip.Graphics_GetClip(data.gdipGraphics, rgn); if (Gdip.Region_IsInfinite(rgn, gdipGraphics)) { Rect rect = new Rect(); Gdip.Graphics_SetPixelOffsetMode(gdipGraphics, Gdip.PixelOffsetModeNone); Gdip.Graphics_GetVisibleClipBounds(gdipGraphics, rect); Gdip.Graphics_SetPixelOffsetMode(gdipGraphics, Gdip.PixelOffsetModeHalf); OS.SetRectRgn(region.handle, rect.X, rect.Y, rect.X + rect.Width, rect.Y + rect.Height); } else { int /*long*/ matrix = Gdip.Matrix_new(1, 0, 0, 1, 0, 0); int /*long*/ identity = Gdip.Matrix_new(1, 0, 0, 1, 0, 0); Gdip.Graphics_GetTransform(gdipGraphics, matrix); Gdip.Graphics_SetTransform(gdipGraphics, identity); int /*long*/ hRgn = Gdip.Region_GetHRGN(rgn, data.gdipGraphics); Gdip.Graphics_SetTransform(gdipGraphics, matrix); Gdip.Matrix_delete(identity); Gdip.Matrix_delete(matrix); if (!OS.IsWinCE) { POINT pt = new POINT (); OS.GetWindowOrgEx (handle, pt); OS.OffsetRgn (hRgn, pt.x, pt.y); } OS.CombineRgn(region.handle, hRgn, 0, OS.RGN_COPY); OS.DeleteObject(hRgn); } Gdip.Region_delete(rgn); return; } POINT pt = new POINT (); if (!OS.IsWinCE) OS.GetWindowOrgEx (handle, pt); int result = OS.GetClipRgn (handle, region.handle); if (result != 1) { RECT rect = new RECT(); OS.GetClipBox(handle, rect); OS.SetRectRgn(region.handle, rect.left, rect.top, rect.right, rect.bottom); } else { OS.OffsetRgn (region.handle, pt.x, pt.y); } if (!OS.IsWinCE) { int /*long*/ metaRgn = OS.CreateRectRgn (0, 0, 0, 0); if (OS.GetMetaRgn (handle, metaRgn) != 0) { OS.OffsetRgn (metaRgn, pt.x, pt.y); OS.CombineRgn (region.handle, metaRgn, region.handle, OS.RGN_AND); } OS.DeleteObject(metaRgn); int /*long*/ hwnd = data.hwnd; if (hwnd != 0 && data.ps != null) { int /*long*/ sysRgn = OS.CreateRectRgn (0, 0, 0, 0); if (OS.GetRandomRgn (handle, sysRgn, OS.SYSRGN) == 1) { if (OS.WIN32_VERSION >= OS.VERSION(4, 10)) { if ((OS.GetLayout(handle) & OS.LAYOUT_RTL) != 0) { int nBytes = OS.GetRegionData (sysRgn, 0, null); int [] lpRgnData = new int [nBytes / 4]; OS.GetRegionData (sysRgn, nBytes, lpRgnData); int /*long*/ newSysRgn = OS.ExtCreateRegion(new float [] {-1, 0, 0, 1, 0, 0}, nBytes, lpRgnData); OS.DeleteObject(sysRgn); sysRgn = newSysRgn; } } if (OS.IsWinNT) { OS.MapWindowPoints(0, hwnd, pt, 1); OS.OffsetRgn(sysRgn, pt.x, pt.y); } OS.CombineRgn (region.handle, sysRgn, region.handle, OS.RGN_AND); } OS.DeleteObject(sysRgn); } } } int getCodePage () { if (OS.IsUnicode) return OS.CP_ACP; int[] lpCs = new int[8]; int cs = OS.GetTextCharset(handle); OS.TranslateCharsetInfo(cs, lpCs, OS.TCI_SRCCHARSET); return lpCs[1]; } int /*long*/ getFgBrush() { return data.foregroundPattern != null ? data.foregroundPattern.handle : data.gdipFgBrush; } /** * Returns the receiver's fill rule, which will be one of * <code>SWT.FILL_EVEN_ODD</code> or <code>SWT.FILL_WINDING</code>. * * @return the receiver's fill rule * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @since 3.1 */ public int getFillRule() { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (OS.IsWinCE) return SWT.FILL_EVEN_ODD; return OS.GetPolyFillMode(handle) == OS.WINDING ? SWT.FILL_WINDING : SWT.FILL_EVEN_ODD; } /** * Returns the font currently being used by the receiver * to draw and measure text. * * @return the receiver's font * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public Font getFont () { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); return data.font; } /** * Returns a FontMetrics which contains information * about the font currently being used by the receiver * to draw and measure text. * * @return font metrics for the receiver's font * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public FontMetrics getFontMetrics() { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); checkGC(FONT); TEXTMETRIC lptm = OS.IsUnicode ? (TEXTMETRIC)new TEXTMETRICW() : new TEXTMETRICA(); OS.GetTextMetrics(handle, lptm); return FontMetrics.win32_new(lptm); } /** * Returns the receiver's foreground color. * * @return the color used for drawing foreground things * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public Color getForeground() { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); return Color.win32_new(data.device, data.foreground); } /** * Returns the foreground pattern. The default value is * <code>null</code>. * * @return the receiver's foreground pattern * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @see Pattern * * @since 3.1 */ public Pattern getForegroundPattern() { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); return data.foregroundPattern; } /** * Returns the GCData. * * IMPORTANT: This method is not part of the public * API for <code>GC</code>. It is marked public only so that it * can be shared within the packages provided by SWT. It is not * available on all platforms, and should never be called from * application code. * * * @return the receiver's GCData * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @see GCData * * @noreference This method is not intended to be referenced by clients. * * @since 3.2 */ public GCData getGCData() { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); return data; } /** * Returns the receiver's interpolation setting, which will be one of * <code>SWT.DEFAULT</code>, <code>SWT.NONE</code>, * <code>SWT.LOW</code> or <code>SWT.HIGH</code>. * * @return the receiver's interpolation setting * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @since 3.1 */ public int getInterpolation() { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (data.gdipGraphics == 0) return SWT.DEFAULT; int mode = Gdip.Graphics_GetInterpolationMode(data.gdipGraphics); switch (mode) { case Gdip.InterpolationModeDefault: return SWT.DEFAULT; case Gdip.InterpolationModeNearestNeighbor: return SWT.NONE; case Gdip.InterpolationModeBilinear: case Gdip.InterpolationModeLowQuality: return SWT.LOW; case Gdip.InterpolationModeBicubic: case Gdip.InterpolationModeHighQualityBilinear: case Gdip.InterpolationModeHighQualityBicubic: case Gdip.InterpolationModeHighQuality: return SWT.HIGH; } return SWT.DEFAULT; } /** * Returns the receiver's line attributes. * * @return the line attributes used for drawing lines * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @since 3.3 */ public LineAttributes getLineAttributes() { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); float[] dashes = null; if (data.lineDashes != null) { dashes = new float[data.lineDashes.length]; System.arraycopy(data.lineDashes, 0, dashes, 0, dashes.length); } return new LineAttributes(data.lineWidth, data.lineCap, data.lineJoin, data.lineStyle, dashes, data.lineDashesOffset, data.lineMiterLimit); } /** * Returns the receiver's line cap style, which will be one * of the constants <code>SWT.CAP_FLAT</code>, <code>SWT.CAP_ROUND</code>, * or <code>SWT.CAP_SQUARE</code>. * * @return the cap style used for drawing lines * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @since 3.1 */ public int getLineCap() { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); return data.lineCap; } /** * Returns the receiver's line dash style. The default value is * <code>null</code>. * * @return the line dash style used for drawing lines * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @since 3.1 */ public int[] getLineDash() { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (data.lineDashes == null) return null; int[] lineDashes = new int[data.lineDashes.length]; for (int i = 0; i < lineDashes.length; i++) { lineDashes[i] = (int)data.lineDashes[i]; } return lineDashes; } /** * Returns the receiver's line join style, which will be one * of the constants <code>SWT.JOIN_MITER</code>, <code>SWT.JOIN_ROUND</code>, * or <code>SWT.JOIN_BEVEL</code>. * * @return the join style used for drawing lines * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @since 3.1 */ public int getLineJoin() { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); return data.lineJoin; } /** * Returns the receiver's line style, which will be one * of the constants <code>SWT.LINE_SOLID</code>, <code>SWT.LINE_DASH</code>, * <code>SWT.LINE_DOT</code>, <code>SWT.LINE_DASHDOT</code> or * <code>SWT.LINE_DASHDOTDOT</code>. * * @return the style used for drawing lines * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public int getLineStyle() { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); return data.lineStyle; } /** * Returns the width that will be used when drawing lines * for all of the figure drawing operations (that is, * <code>drawLine</code>, <code>drawRectangle</code>, * <code>drawPolyline</code>, and so forth. * * @return the receiver's line width * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public int getLineWidth() { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); return (int)data.lineWidth; } /** * Returns the receiver's style information. * * Note that the value which is returned by this method may * not match the value which was provided to the constructor * when the receiver was created. This can occur when the underlying * operating system does not support a particular combination of * requested styles. * * * @return the style bits * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @since 2.1.2 */ public int getStyle () { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); return data.style; } /** * Returns the receiver's text drawing anti-aliasing setting value, * which will be one of <code>SWT.DEFAULT</code>, <code>SWT.OFF</code> or * <code>SWT.ON</code>. Note that this controls anti-aliasing * only for text drawing operations. * * @return the anti-aliasing setting * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @see #getAntialias * * @since 3.1 */ public int getTextAntialias() { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (data.gdipGraphics == 0) return SWT.DEFAULT; int mode = Gdip.Graphics_GetTextRenderingHint(data.gdipGraphics); switch (mode) { case Gdip.TextRenderingHintSystemDefault: return SWT.DEFAULT; case Gdip.TextRenderingHintSingleBitPerPixel: case Gdip.TextRenderingHintSingleBitPerPixelGridFit: return SWT.OFF; case Gdip.TextRenderingHintAntiAlias: case Gdip.TextRenderingHintAntiAliasGridFit: case Gdip.TextRenderingHintClearTypeGridFit: return SWT.ON; } return SWT.DEFAULT; } /** * Sets the parameter to the transform that is currently being * used by the receiver. * * @param transform the destination to copy the transform into * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the parameter is null</li> * <li>ERROR_INVALID_ARGUMENT - if the parameter has been disposed</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @see Transform * * @since 3.1 */ public void getTransform(Transform transform) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (transform == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); if (transform.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); int /*long*/ gdipGraphics = data.gdipGraphics; if (gdipGraphics != 0) { Gdip.Graphics_GetTransform(gdipGraphics, transform.handle); int /*long*/ identity = identity(); Gdip.Matrix_Invert(identity); Gdip.Matrix_Multiply(transform.handle, identity, Gdip.MatrixOrderAppend); Gdip.Matrix_delete(identity); } else { transform.setElements(1, 0, 0, 1, 0, 0); } } /** * Returns <code>true</code> if this GC is drawing in the mode * where the resulting color in the destination is the * exclusive or of the color values in the source * and the destination, and <code>false</code> if it is * drawing in the mode where the destination color is being * replaced with the source color value. * * @return <code>true</code> true if the receiver is in XOR mode, and false otherwise * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public boolean getXORMode() { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); int rop2 = 0; if (OS.IsWinCE) { rop2 = OS.SetROP2 (handle, OS.R2_COPYPEN); OS.SetROP2 (handle, rop2); } else { rop2 = OS.GetROP2(handle); } return rop2 == OS.R2_XORPEN; } void initGdip() { data.device.checkGDIP(); int /*long*/ gdipGraphics = data.gdipGraphics; if (gdipGraphics != 0) return; /* * Feature in GDI+. The GDI+ clipping set with Graphics->SetClip() * is always intersected with the GDI clipping at the time the * GDI+ graphics is created. This means that the clipping * cannot be reset. The fix is to clear the clipping before * the GDI+ graphics is created and reset it afterwards. */ int /*long*/ hRgn = OS.CreateRectRgn(0, 0, 0, 0); int result = OS.GetClipRgn(handle, hRgn); if (!OS.IsWinCE) { POINT pt = new POINT (); OS.GetWindowOrgEx (handle, pt); OS.OffsetRgn (hRgn, pt.x, pt.y); } OS.SelectClipRgn(handle, 0); /* * Bug in GDI+. GDI+ does not work when the HDC layout is RTL. There * are many issues like pixel corruption, but the most visible problem * is that it does not have an effect when drawing to an bitmap. The * fix is to clear the bit before creating the GDI+ graphics and install * a mirroring matrix ourselves. */ if ((data.style & SWT.MIRRORED) != 0) { OS.SetLayout(handle, OS.GetLayout(handle) & ~OS.LAYOUT_RTL); } gdipGraphics = data.gdipGraphics = Gdip.Graphics_new(handle); if (gdipGraphics == 0) SWT.error(SWT.ERROR_NO_HANDLES); Gdip.Graphics_SetPageUnit(gdipGraphics, Gdip.UnitPixel); Gdip.Graphics_SetPixelOffsetMode(gdipGraphics, Gdip.PixelOffsetModeHalf); if ((data.style & SWT.MIRRORED) != 0) { int /*long*/ matrix = identity(); Gdip.Graphics_SetTransform(gdipGraphics, matrix); Gdip.Matrix_delete(matrix); } if (result == 1) setClipping(hRgn); OS.DeleteObject(hRgn); data.state = 0; if (data.hPen != 0) { OS.SelectObject(handle, OS.GetStockObject(OS.NULL_PEN)); OS.DeleteObject(data.hPen); data.hPen = 0; } if (data.hBrush != 0) { OS.SelectObject(handle, OS.GetStockObject(OS.NULL_BRUSH)); OS.DeleteObject(data.hBrush); data.hBrush = 0; } } int /*long*/ identity() { if ((data.style & SWT.MIRRORED) != 0) { int width = 0; int technology = OS.GetDeviceCaps(handle, OS.TECHNOLOGY); if (technology == OS.DT_RASPRINTER) { width = OS.GetDeviceCaps(handle, OS.PHYSICALWIDTH); } else { Image image = data.image; if (image != null) { BITMAP bm = new BITMAP(); OS.GetObject(image.handle, BITMAP.sizeof, bm); width = bm.bmWidth; } else { int /*long*/ hwnd = OS.IsWinCE ? data.hwnd : OS.WindowFromDC(handle); if (hwnd != 0) { RECT rect = new RECT(); OS.GetClientRect(hwnd, rect); width = rect.right - rect.left; } else { int /*long*/ hBitmap = OS.GetCurrentObject(handle, OS.OBJ_BITMAP); BITMAP bm = new BITMAP(); OS.GetObject(hBitmap, BITMAP.sizeof, bm); width = bm.bmWidth; } } } POINT pt = new POINT (); if (!OS.IsWinCE) OS.GetWindowOrgEx (handle, pt); return Gdip.Matrix_new(-1, 0, 0, 1, width + 2 * pt.x, 0); } return Gdip.Matrix_new(1, 0, 0, 1, 0, 0); } void init(Drawable drawable, GCData data, int /*long*/ hDC) { int foreground = data.foreground; if (foreground != -1) { data.state &= ~(FOREGROUND | FOREGROUND_TEXT | PEN); } else { data.foreground = OS.GetTextColor(hDC); } int background = data.background; if (background != -1) { data.state &= ~(BACKGROUND | BACKGROUND_TEXT | BRUSH); } else { data.background = OS.GetBkColor(hDC); } data.state &= ~(NULL_BRUSH | NULL_PEN); Font font = data.font; if (font != null) { data.state &= ~FONT; } else { data.font = Font.win32_new(device, OS.GetCurrentObject(hDC, OS.OBJ_FONT)); } int /*long*/ hPalette = data.device.hPalette; if (hPalette != 0) { OS.SelectPalette(hDC, hPalette, true); OS.RealizePalette(hDC); } Image image = data.image; if (image != null) { data.hNullBitmap = OS.SelectObject(hDC, image.handle); image.memGC = this; } int layout = data.layout; if (layout != -1) { if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION(4, 10)) { int flags = OS.GetLayout(hDC); if ((flags & OS.LAYOUT_RTL) != (layout & OS.LAYOUT_RTL)) { flags &= ~OS.LAYOUT_RTL; OS.SetLayout(hDC, flags | layout); } if ((data.style & SWT.RIGHT_TO_LEFT) != 0) data.style |= SWT.MIRRORED; } } this.drawable = drawable; this.data = data; handle = hDC; } /** * Returns an integer hash code for the receiver. Any two * objects that return <code>true</code> when passed to * <code>equals</code> must return the same value for this * method. * * @return the receiver's hash * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @see #equals */ public int hashCode () { return (int)/*64*/handle; } /** * Returns <code>true</code> if the receiver has a clipping * region set into it, and <code>false</code> otherwise. * If this method returns false, the receiver will draw on all * available space in the destination. If it returns true, * it will draw only in the area that is covered by the region * that can be accessed with <code>getClipping(region)</code>. * * @return <code>true</code> if the GC has a clipping region, and <code>false</code> otherwise * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public boolean isClipped() { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); int /*long*/ gdipGraphics = data.gdipGraphics; if (gdipGraphics != 0) { int /*long*/ rgn = Gdip.Region_new(); Gdip.Graphics_GetClip(data.gdipGraphics, rgn); boolean isInfinite = Gdip.Region_IsInfinite(rgn, gdipGraphics); Gdip.Region_delete(rgn); return !isInfinite; } int /*long*/ region = OS.CreateRectRgn(0, 0, 0, 0); int result = OS.GetClipRgn(handle, region); OS.DeleteObject(region); return result > 0; } /** * Returns <code>true</code> if the GC has been disposed, * and <code>false</code> otherwise. * * This method gets the dispose state for the GC. * When a GC has been disposed, it is an error to * invoke any other method (except {@link #dispose()}) using the GC. * * @return <code>true</code> when the GC is disposed and <code>false</code> otherwise */ public boolean isDisposed() { return handle == 0; } float measureSpace(int /*long*/ font, int /*long*/ format) { PointF pt = new PointF(); RectF bounds = new RectF(); Gdip.Graphics_MeasureString(data.gdipGraphics, new char[]{' '}, 1, font, pt, format, bounds); return bounds.Width; } /** * Sets the receiver to always use the operating system's advanced graphics * subsystem for all graphics operations if the argument is <code>true</code>. * If the argument is <code>false</code>, the advanced graphics subsystem is * no longer used, advanced graphics state is cleared and the normal graphics * subsystem is used from now on. * * Normally, the advanced graphics subsystem is invoked automatically when * any one of the alpha, antialias, patterns, interpolation, paths, clipping * or transformation operations in the receiver is requested. When the receiver * is switched into advanced mode, the advanced graphics subsystem performs both * advanced and normal graphics operations. Because the two subsystems are * different, their output may differ. Switching to advanced graphics before * any graphics operations are performed ensures that the output is consistent. * * Advanced graphics may not be installed for the operating system. In this * case, this operation does nothing. Some operating system have only one * graphics subsystem, so switching from normal to advanced graphics does * nothing. However, switching from advanced to normal graphics will always * clear the advanced graphics state, even for operating systems that have * only one graphics subsystem. * * * @param advanced the new advanced graphics state * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @see #setAlpha * @see #setAntialias * @see #setBackgroundPattern * @see #setClipping(Path) * @see #setForegroundPattern * @see #setLineAttributes * @see #setInterpolation * @see #setTextAntialias * @see #setTransform * @see #getAdvanced * * @since 3.1 */ public void setAdvanced(boolean advanced) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (advanced && data.gdipGraphics != 0) return; if (advanced) { try { initGdip(); } catch (SWTException e) {} } else { disposeGdip(); data.alpha = 0xFF; data.backgroundPattern = data.foregroundPattern = null; data.state = 0; setClipping(0); if ((data.style & SWT.MIRRORED) != 0) { OS.SetLayout(handle, OS.GetLayout(handle) | OS.LAYOUT_RTL); } } } /** * Sets the receiver's anti-aliasing value to the parameter, * which must be one of <code>SWT.DEFAULT</code>, <code>SWT.OFF</code> * or <code>SWT.ON</code>. Note that this controls anti-aliasing for all * non-text drawing operations. * * This operation requires the operating system's advanced * graphics subsystem which may not be available on some * platforms. * * * @param antialias the anti-aliasing setting * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_ARGUMENT - if the parameter is not one of <code>SWT.DEFAULT</code>, * <code>SWT.OFF</code> or <code>SWT.ON</code></li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_NO_GRAPHICS_LIBRARY - if advanced graphics are not available</li> * </ul> * * @see #getAdvanced * @see #setAdvanced * @see #setTextAntialias * * @since 3.1 */ public void setAntialias(int antialias) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (data.gdipGraphics == 0 && antialias == SWT.DEFAULT) return; int mode = 0; switch (antialias) { case SWT.DEFAULT: mode = Gdip.SmoothingModeDefault; break; case SWT.OFF: mode = Gdip.SmoothingModeNone; break; case SWT.ON: mode = Gdip.SmoothingModeAntiAlias; break; default: SWT.error(SWT.ERROR_INVALID_ARGUMENT); } initGdip(); Gdip.Graphics_SetSmoothingMode(data.gdipGraphics, mode); } /** * Sets the receiver's alpha value which must be * between 0 (transparent) and 255 (opaque). * * This operation requires the operating system's advanced * graphics subsystem which may not be available on some * platforms. * * @param alpha the alpha value * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_NO_GRAPHICS_LIBRARY - if advanced graphics are not available</li> * </ul> * * @see #getAdvanced * @see #setAdvanced * * @since 3.1 */ public void setAlpha(int alpha) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (data.gdipGraphics == 0 && (alpha & 0xFF) == 0xFF) return; initGdip(); data.alpha = alpha & 0xFF; data.state &= ~(BACKGROUND | FOREGROUND); } /** * Sets the background color. The background color is used * for fill operations and as the background color when text * is drawn. * * @param color the new background color for the receiver * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the color is null</li> * <li>ERROR_INVALID_ARGUMENT - if the color has been disposed</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public void setBackground (Color color) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (color == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); if (color.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); if (data.backgroundPattern == null && data.background == color.handle) return; data.backgroundPattern = null; data.background = color.handle; data.state &= ~(BACKGROUND | BACKGROUND_TEXT); } /** * Sets the background pattern. The default value is <code>null</code>. * * This operation requires the operating system's advanced * graphics subsystem which may not be available on some * platforms. * * * @param pattern the new background pattern * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_ARGUMENT - if the parameter has been disposed</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_NO_GRAPHICS_LIBRARY - if advanced graphics are not available</li> * </ul> * * @see Pattern * @see #getAdvanced * @see #setAdvanced * * @since 3.1 */ public void setBackgroundPattern (Pattern pattern) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (pattern != null && pattern.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); if (data.gdipGraphics == 0 && pattern == null) return; initGdip(); if (data.backgroundPattern == pattern) return; data.backgroundPattern = pattern; data.state &= ~BACKGROUND; } void setClipping(int /*long*/ clipRgn) { int /*long*/ hRgn = clipRgn; int /*long*/ gdipGraphics = data.gdipGraphics; if (gdipGraphics != 0) { if (hRgn != 0) { int /*long*/ region = Gdip.Region_new(hRgn); Gdip.Graphics_SetClip(gdipGraphics, region, Gdip.CombineModeReplace); Gdip.Region_delete(region); } else { Gdip.Graphics_ResetClip(gdipGraphics); } } else { POINT pt = null; if (hRgn != 0 && !OS.IsWinCE) { pt = new POINT(); OS.GetWindowOrgEx(handle, pt); OS.OffsetRgn(hRgn, -pt.x, -pt.y); } OS.SelectClipRgn(handle, hRgn); if (hRgn != 0 && !OS.IsWinCE) { OS.OffsetRgn(hRgn, pt.x, pt.y); } } } /** * Sets the area of the receiver which can be changed * by drawing operations to the rectangular area specified * by the arguments. * * @param x the x coordinate of the clipping rectangle * @param y the y coordinate of the clipping rectangle * @param width the width of the clipping rectangle * @param height the height of the clipping rectangle * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public void setClipping (int x, int y, int width, int height) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); int /*long*/ hRgn = OS.CreateRectRgn(x, y, x + width, y + height); setClipping(hRgn); OS.DeleteObject(hRgn); } /** * Sets the area of the receiver which can be changed * by drawing operations to the path specified * by the argument. * * This operation requires the operating system's advanced * graphics subsystem which may not be available on some * platforms. * * * @param path the clipping path. * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_ARGUMENT - if the path has been disposed</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_NO_GRAPHICS_LIBRARY - if advanced graphics are not available</li> * </ul> * * @see Path * @see #getAdvanced * @see #setAdvanced * * @since 3.1 */ public void setClipping (Path path) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (path != null && path.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); setClipping(0); if (path != null) { initGdip(); int mode = OS.GetPolyFillMode(handle) == OS.WINDING ? Gdip.FillModeWinding : Gdip.FillModeAlternate; Gdip.GraphicsPath_SetFillMode(path.handle, mode); Gdip.Graphics_SetClipPath(data.gdipGraphics, path.handle); } } /** * Sets the area of the receiver which can be changed * by drawing operations to the rectangular area specified * by the argument. Specifying <code>null</code> for the * rectangle reverts the receiver's clipping area to its * original value. * * @param rect the clipping rectangle or <code>null</code> * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public void setClipping (Rectangle rect) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (rect == null) { setClipping(0); } else { setClipping(rect.x, rect.y, rect.width, rect.height); } } /** * Sets the area of the receiver which can be changed * by drawing operations to the region specified * by the argument. Specifying <code>null</code> for the * region reverts the receiver's clipping area to its * original value. * * @param region the clipping region or <code>null</code> * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_ARGUMENT - if the region has been disposed</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public void setClipping (Region region) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (region != null && region.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); setClipping(region != null ? region.handle : 0); } /** * Sets the receiver's fill rule to the parameter, which must be one of * <code>SWT.FILL_EVEN_ODD</code> or <code>SWT.FILL_WINDING</code>. * * @param rule the new fill rule * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_ARGUMENT - if the rule is not one of <code>SWT.FILL_EVEN_ODD</code> * or <code>SWT.FILL_WINDING</code></li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @since 3.1 */ public void setFillRule(int rule) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (OS.IsWinCE) return; int mode = OS.ALTERNATE; switch (rule) { case SWT.FILL_WINDING: mode = OS.WINDING; break; case SWT.FILL_EVEN_ODD: mode = OS.ALTERNATE; break; default: SWT.error(SWT.ERROR_INVALID_ARGUMENT); } OS.SetPolyFillMode(handle, mode); } /** * Sets the font which will be used by the receiver * to draw and measure text to the argument. If the * argument is null, then a default font appropriate * for the platform will be used instead. * * @param font the new font for the receiver, or null to indicate a default font * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_ARGUMENT - if the font has been disposed</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public void setFont (Font font) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (font != null && font.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); data.font = font != null ? font : data.device.systemFont; data.state &= ~FONT; } /** * Sets the foreground color. The foreground color is used * for drawing operations including when text is drawn. * * @param color the new foreground color for the receiver * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the color is null</li> * <li>ERROR_INVALID_ARGUMENT - if the color has been disposed</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public void setForeground (Color color) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (color == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); if (color.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); if (data.foregroundPattern == null && color.handle == data.foreground) return; data.foregroundPattern = null; data.foreground = color.handle; data.state &= ~(FOREGROUND | FOREGROUND_TEXT); } /** * Sets the foreground pattern. The default value is <code>null</code>. * * This operation requires the operating system's advanced * graphics subsystem which may not be available on some * platforms. * * @param pattern the new foreground pattern * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_ARGUMENT - if the parameter has been disposed</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_NO_GRAPHICS_LIBRARY - if advanced graphics are not available</li> * </ul> * * @see Pattern * @see #getAdvanced * @see #setAdvanced * * @since 3.1 */ public void setForegroundPattern (Pattern pattern) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (pattern != null && pattern.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); if (data.gdipGraphics == 0 && pattern == null) return; initGdip(); if (data.foregroundPattern == pattern) return; data.foregroundPattern = pattern; data.state &= ~FOREGROUND; } /** * Sets the receiver's interpolation setting to the parameter, which * must be one of <code>SWT.DEFAULT</code>, <code>SWT.NONE</code>, * <code>SWT.LOW</code> or <code>SWT.HIGH</code>. * * This operation requires the operating system's advanced * graphics subsystem which may not be available on some * platforms. * * * @param interpolation the new interpolation setting * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_ARGUMENT - if the rule is not one of <code>SWT.DEFAULT</code>, * <code>SWT.NONE</code>, <code>SWT.LOW</code> or <code>SWT.HIGH</code> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_NO_GRAPHICS_LIBRARY - if advanced graphics are not available</li> * </ul> * * @see #getAdvanced * @see #setAdvanced * * @since 3.1 */ public void setInterpolation(int interpolation) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (data.gdipGraphics == 0 && interpolation == SWT.DEFAULT) return; int mode = 0; switch (interpolation) { case SWT.DEFAULT: mode = Gdip.InterpolationModeDefault; break; case SWT.NONE: mode = Gdip.InterpolationModeNearestNeighbor; break; case SWT.LOW: mode = Gdip.InterpolationModeLowQuality; break; case SWT.HIGH: mode = Gdip.InterpolationModeHighQuality; break; default: SWT.error(SWT.ERROR_INVALID_ARGUMENT); } initGdip(); Gdip.Graphics_SetInterpolationMode(data.gdipGraphics, mode); } /** * Sets the receiver's line attributes. * * This operation requires the operating system's advanced * graphics subsystem which may not be available on some * platforms. * * @param attributes the line attributes * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the attributes is null</li> * <li>ERROR_INVALID_ARGUMENT - if any of the line attributes is not valid</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_NO_GRAPHICS_LIBRARY - if advanced graphics are not available</li> * </ul> * * @see LineAttributes * @see #getAdvanced * @see #setAdvanced * * @since 3.3 */ public void setLineAttributes(LineAttributes attributes) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (attributes == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); int mask = 0; float lineWidth = attributes.width; if (lineWidth != data.lineWidth) { mask |= LINE_WIDTH | DRAW_OFFSET; } int lineStyle = attributes.style; if (lineStyle != data.lineStyle) { mask |= LINE_STYLE; switch (lineStyle) { case SWT.LINE_SOLID: case SWT.LINE_DASH: case SWT.LINE_DOT: case SWT.LINE_DASHDOT: case SWT.LINE_DASHDOTDOT: break; case SWT.LINE_CUSTOM: if (attributes.dash == null) lineStyle = SWT.LINE_SOLID; break; default: SWT.error(SWT.ERROR_INVALID_ARGUMENT); } } int join = attributes.join; if (join != data.lineJoin) { mask |= LINE_JOIN; switch (join) { case SWT.JOIN_MITER: case SWT.JOIN_ROUND: case SWT.JOIN_BEVEL: break; default: SWT.error(SWT.ERROR_INVALID_ARGUMENT); } } int cap = attributes.cap; if (cap != data.lineCap) { mask |= LINE_CAP; switch (cap) { case SWT.CAP_FLAT: case SWT.CAP_ROUND: case SWT.CAP_SQUARE: break; default: SWT.error(SWT.ERROR_INVALID_ARGUMENT); } } float[] dashes = attributes.dash; float[] lineDashes = data.lineDashes; if (dashes != null && dashes.length > 0) { boolean changed = lineDashes == null || lineDashes.length != dashes.length; for (int i = 0; i < dashes.length; i++) { float dash = dashes[i]; if (dash <= 0) SWT.error(SWT.ERROR_INVALID_ARGUMENT); if (!changed && lineDashes[i] != dash) changed = true; } if (changed) { float[] newDashes = new float[dashes.length]; System.arraycopy(dashes, 0, newDashes, 0, dashes.length); dashes = newDashes; mask |= LINE_STYLE; } else { dashes = lineDashes; } } else { if (lineDashes != null && lineDashes.length > 0) { mask |= LINE_STYLE; } else { dashes = lineDashes; } } float dashOffset = attributes.dashOffset; if (dashOffset != data.lineDashesOffset) { mask |= LINE_STYLE; } float miterLimit = attributes.miterLimit; if (miterLimit != data.lineMiterLimit) { mask |= LINE_MITERLIMIT; } initGdip(); if (mask == 0) return; data.lineWidth = lineWidth; data.lineStyle = lineStyle; data.lineCap = cap; data.lineJoin = join; data.lineDashes = dashes; data.lineDashesOffset = dashOffset; data.lineMiterLimit = miterLimit; data.state &= ~mask; } /** * Sets the receiver's line cap style to the argument, which must be one * of the constants <code>SWT.CAP_FLAT</code>, <code>SWT.CAP_ROUND</code>, * or <code>SWT.CAP_SQUARE</code>. * * @param cap the cap style to be used for drawing lines * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_ARGUMENT - if the style is not valid</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @since 3.1 */ public void setLineCap(int cap) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (data.lineCap == cap) return; switch (cap) { case SWT.CAP_ROUND: case SWT.CAP_FLAT: case SWT.CAP_SQUARE: break; default: SWT.error(SWT.ERROR_INVALID_ARGUMENT); } data.lineCap = cap; data.state &= ~LINE_CAP; } /** * Sets the receiver's line dash style to the argument. The default * value is <code>null</code>. If the argument is not <code>null</code>, * the receiver's line style is set to <code>SWT.LINE_CUSTOM</code>, otherwise * it is set to <code>SWT.LINE_SOLID</code>. * * @param dashes the dash style to be used for drawing lines * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_ARGUMENT - if any of the values in the array is less than or equal 0</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @since 3.1 */ public void setLineDash(int[] dashes) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); float[] lineDashes = data.lineDashes; if (dashes != null && dashes.length > 0) { boolean changed = data.lineStyle != SWT.LINE_CUSTOM || lineDashes == null || lineDashes.length != dashes.length; for (int i = 0; i < dashes.length; i++) { int dash = dashes[i]; if (dash <= 0) SWT.error(SWT.ERROR_INVALID_ARGUMENT); if (!changed && lineDashes[i] != dash) changed = true; } if (!changed) return; data.lineDashes = new float[dashes.length]; for (int i = 0; i < dashes.length; i++) { data.lineDashes[i] = dashes[i]; } data.lineStyle = SWT.LINE_CUSTOM; } else { if (data.lineStyle == SWT.LINE_SOLID && (lineDashes == null || lineDashes.length == 0)) return; data.lineDashes = null; data.lineStyle = SWT.LINE_SOLID; } data.state &= ~LINE_STYLE; } /** * Sets the receiver's line join style to the argument, which must be one * of the constants <code>SWT.JOIN_MITER</code>, <code>SWT.JOIN_ROUND</code>, * or <code>SWT.JOIN_BEVEL</code>. * * @param join the join style to be used for drawing lines * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_ARGUMENT - if the style is not valid</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @since 3.1 */ public void setLineJoin(int join) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (data.lineJoin == join) return; switch (join) { case SWT.JOIN_MITER: case SWT.JOIN_ROUND: case SWT.JOIN_BEVEL: break; default: SWT.error(SWT.ERROR_INVALID_ARGUMENT); } data.lineJoin = join; data.state &= ~LINE_JOIN; } /** * Sets the receiver's line style to the argument, which must be one * of the constants <code>SWT.LINE_SOLID</code>, <code>SWT.LINE_DASH</code>, * <code>SWT.LINE_DOT</code>, <code>SWT.LINE_DASHDOT</code> or * <code>SWT.LINE_DASHDOTDOT</code>. * * @param lineStyle the style to be used for drawing lines * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_ARGUMENT - if the style is not valid</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public void setLineStyle(int lineStyle) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (data.lineStyle == lineStyle) return; switch (lineStyle) { case SWT.LINE_SOLID: case SWT.LINE_DASH: case SWT.LINE_DOT: case SWT.LINE_DASHDOT: case SWT.LINE_DASHDOTDOT: break; case SWT.LINE_CUSTOM: if (data.lineDashes == null) lineStyle = SWT.LINE_SOLID; break; default: SWT.error(SWT.ERROR_INVALID_ARGUMENT); } data.lineStyle = lineStyle; data.state &= ~LINE_STYLE; } /** * Sets the width that will be used when drawing lines * for all of the figure drawing operations (that is, * <code>drawLine</code>, <code>drawRectangle</code>, * <code>drawPolyline</code>, and so forth. * * Note that line width of zero is used as a hint to * indicate that the fastest possible line drawing * algorithms should be used. This means that the * output may be different from line width one. * * * @param lineWidth the width of a line * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public void setLineWidth(int lineWidth) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (data.lineWidth == lineWidth) return; data.lineWidth = lineWidth; data.state &= ~(LINE_WIDTH | DRAW_OFFSET); } /** * If the argument is <code>true</code>, puts the receiver * in a drawing mode where the resulting color in the destination * is the exclusive or of the color values in the source * and the destination, and if the argument is <code>false</code>, * puts the receiver in a drawing mode where the destination color * is replaced with the source color value. * * Note that this mode in fundamentally unsupportable on certain * platforms, notably Carbon (Mac OS X). Clients that want their * code to run on all platforms need to avoid this method. * * * @param xor if <code>true</code>, then xor mode is used, otherwise source copy mode is used * * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> * * @deprecated this functionality is not supported on some platforms */ public void setXORMode(boolean xor) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); OS.SetROP2(handle, xor ? OS.R2_XORPEN : OS.R2_COPYPEN); } /** * Sets the receiver's text anti-aliasing value to the parameter, * which must be one of <code>SWT.DEFAULT</code>, <code>SWT.OFF</code> * or <code>SWT.ON</code>. Note that this controls anti-aliasing only * for all text drawing operations. * * This operation requires the operating system's advanced * graphics subsystem which may not be available on some * platforms. * * * @param antialias the anti-aliasing setting * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_ARGUMENT - if the parameter is not one of <code>SWT.DEFAULT</code>, * <code>SWT.OFF</code> or <code>SWT.ON</code></li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_NO_GRAPHICS_LIBRARY - if advanced graphics are not available</li> * </ul> * * @see #getAdvanced * @see #setAdvanced * @see #setAntialias * * @since 3.1 */ public void setTextAntialias(int antialias) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (data.gdipGraphics == 0 && antialias == SWT.DEFAULT) return; int textMode = 0; switch (antialias) { case SWT.DEFAULT: textMode = Gdip.TextRenderingHintSystemDefault; break; case SWT.OFF: textMode = Gdip.TextRenderingHintSingleBitPerPixelGridFit; break; case SWT.ON: int[] type = new int[1]; OS.SystemParametersInfo(OS.SPI_GETFONTSMOOTHINGTYPE, 0, type, 0); if (type[0] == OS.FE_FONTSMOOTHINGCLEARTYPE) { textMode = Gdip.TextRenderingHintClearTypeGridFit; } else { textMode = Gdip.TextRenderingHintAntiAliasGridFit; } break; default: SWT.error(SWT.ERROR_INVALID_ARGUMENT); } initGdip(); Gdip.Graphics_SetTextRenderingHint(data.gdipGraphics, textMode); } /** * Sets the transform that is currently being used by the receiver. If * the argument is <code>null</code>, the current transform is set to * the identity transform. * * This operation requires the operating system's advanced * graphics subsystem which may not be available on some * platforms. * * * @param transform the transform to set * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_ARGUMENT - if the parameter has been disposed</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_NO_GRAPHICS_LIBRARY - if advanced graphics are not available</li> * </ul> * * @see Transform * @see #getAdvanced * @see #setAdvanced * * @since 3.1 */ public void setTransform(Transform transform) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (transform != null && transform.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); if (data.gdipGraphics == 0 && transform == null) return; initGdip(); int /*long*/ identity = identity(); if (transform != null) { Gdip.Matrix_Multiply(identity, transform.handle, Gdip.MatrixOrderPrepend); } Gdip.Graphics_SetTransform(data.gdipGraphics, identity); Gdip.Matrix_delete(identity); data.state &= ~DRAW_OFFSET; } /** * Returns the extent of the given string. No tab * expansion or carriage return processing will be performed. * * The extent of a string is the width and height of * the rectangular area it would cover if drawn in a particular * font (in this case, the current font in the receiver). * * * @param string the string to measure * @return a point containing the extent of the string * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the string is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public Point stringExtent(String string) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (string == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); checkGC(FONT); int length = string.length(); int /*long*/ gdipGraphics = data.gdipGraphics; if (gdipGraphics != 0) { Point size = new Point(0, 0); drawText(gdipGraphics, string, 0, 0, 0, size); return size; } SIZE size = new SIZE(); if (length == 0) { // OS.GetTextExtentPoint32(handle, SPACE, SPACE.length(), size); OS.GetTextExtentPoint32W(handle, new char[]{' '}, 1, size); return new Point(0, size.cy); } else { // TCHAR buffer = new TCHAR (getCodePage(), string, false); char[] buffer = new char [length]; string.getChars(0, length, buffer, 0); OS.GetTextExtentPoint32W(handle, buffer, length, size); return new Point(size.cx, size.cy); } } /** * Returns the extent of the given string. Tab expansion and * carriage return processing are performed. * * The extent of a string is the width and height of * the rectangular area it would cover if drawn in a particular * font (in this case, the current font in the receiver). * * * @param string the string to measure * @return a point containing the extent of the string * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the string is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public Point textExtent(String string) { return textExtent(string, SWT.DRAW_DELIMITER | SWT.DRAW_TAB); } /** * Returns the extent of the given string. Tab expansion, line * delimiter and mnemonic processing are performed according to * the specified flags, which can be a combination of: * <dl> * <dt>DRAW_DELIMITER</dt> * <dd>draw multiple lines</dd> * <dt>DRAW_TAB</dt> * <dd>expand tabs</dd> * <dt>DRAW_MNEMONIC</dt> * <dd>underline the mnemonic character</dd> * <dt>DRAW_TRANSPARENT</dt> * <dd>transparent background</dd> * </dl> * * The extent of a string is the width and height of * the rectangular area it would cover if drawn in a particular * font (in this case, the current font in the receiver). * * * @param string the string to measure * @param flags the flags specifying how to process the text * @return a point containing the extent of the string * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the string is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> * </ul> */ public Point textExtent(String string, int flags) { if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); if (string == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); checkGC(FONT); int /*long*/ gdipGraphics = data.gdipGraphics; if (gdipGraphics != 0) { Point size = new Point(0, 0); drawText(gdipGraphics, string, 0, 0, flags, size); return size; } if (string.length () == 0) { SIZE size = new SIZE(); // OS.GetTextExtentPoint32(handle, SPACE, SPACE.length(), size); OS.GetTextExtentPoint32W(handle, new char [] {' '}, 1, size); return new Point(0, size.cy); } RECT rect = new RECT(); TCHAR buffer = new TCHAR(getCodePage(), string, false); int uFormat = OS.DT_LEFT | OS.DT_CALCRECT; if ((flags & SWT.DRAW_DELIMITER) == 0) uFormat |= OS.DT_SINGLELINE; if ((flags & SWT.DRAW_TAB) != 0) uFormat |= OS.DT_EXPANDTABS; if ((flags & SWT.DRAW_MNEMONIC) == 0) uFormat |= OS.DT_NOPREFIX; OS.DrawText(handle, buffer, buffer.length(), rect, uFormat); return new Point(rect.right, rect.bottom); } /** * Returns a string containing a concise, human-readable * description of the receiver. * * @return a string representation of the receiver */ public String toString () { if (isDisposed()) return "GC {*DISPOSED*}"; return "GC {" + handle + "}"; } /** * Invokes platform specific functionality to allocate a new graphics context. * * IMPORTANT: This method is not part of the public * API for <code>GC</code>. It is marked public only so that it * can be shared within the packages provided by SWT. It is not * available on all platforms, and should never be called from * application code. * * * @param drawable the Drawable for the receiver. * @param data the data for the receiver. * * @return a new <code>GC</code> * * @noreference This method is not intended to be referenced by clients. */ public static GC win32_new(Drawable drawable, GCData data) { GC gc = new GC(); int /*long*/ hDC = drawable.internal_new_GC(data); gc.device = data.device; gc.init(drawable, data, hDC); return gc; } /** * Invokes platform specific functionality to wrap a graphics context. * * IMPORTANT: This method is not part of the public * API for <code>GC</code>. It is marked public only so that it * can be shared within the packages provided by SWT. It is not * available on all platforms, and should never be called from * application code. * * * @param hDC the Windows HDC. * @param data the data for the receiver. * * @return a new <code>GC</code> * * @noreference This method is not intended to be referenced by clients. */ public static GC win32_new(int /*long*/ hDC, GCData data) { GC gc = new GC(); gc.device = data.device; data.style |= SWT.LEFT_TO_RIGHT; if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION (4, 10)) { int flags = OS.GetLayout (hDC); if ((flags & OS.LAYOUT_RTL) != 0) { data.style |= SWT.RIGHT_TO_LEFT | SWT.MIRRORED; } } gc.init(null, data, hDC); return gc; } }


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