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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/qt/org/eclipse/swt/graphics/Font.java')
| -rw-r--r-- | bundles/org.eclipse.swt/Eclipse SWT/qt/org/eclipse/swt/graphics/Font.java | 379 |
1 files changed, 0 insertions, 379 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/qt/org/eclipse/swt/graphics/Font.java b/bundles/org.eclipse.swt/Eclipse SWT/qt/org/eclipse/swt/graphics/Font.java deleted file mode 100644 index 0758f4d05f..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/qt/org/eclipse/swt/graphics/Font.java +++ /dev/null @@ -1,379 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2008 IBM Corporation and others. - * Portion Copyright (c) 2009-2010 compeople AG (http://www.compeople.de). - * 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 - * Compeople AG - QtJambi/Qt based implementation for Windows/Mac OS X/Linux - *******************************************************************************/ -package org.eclipse.swt.graphics; - -import com.trolltech.qt.gui.QFont; - -import org.eclipse.swt.SWT; -import org.eclipse.swt.SWTError; -import org.eclipse.swt.SWTException; -import org.eclipse.swt.internal.qt.QtSupplementaryFontData; -import org.eclipse.swt.internal.qt.SWQT; - -/** - * Instances of this class manage operating system resources that define how - * text looks when it is displayed. Fonts may be constructed by providing a - * device and either name, size and style information or a <code>FontData</code> - * object which encapsulates this data. - * <p> - * Application code must explicitly invoke the <code>Font.dispose()</code> - * method to release the operating system resources managed by each instance - * when those instances are no longer required. - * </p> - * - * @see FontData - * @see <a href="http://www.eclipse.org/swt/snippets/#font">Font 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 Font extends Resource { - - /** - * the handle to the OS font resource (Warning: This field is platform - * dependent) - * <p> - * <b>IMPORTANT:</b> This field is <em>not</em> 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. - * </p> - */ - private QFont font; - - boolean extraFontStyle; - String xlfd; - - /** - * Prevents uninitialized instances from being created outside the package. - */ - Font() { - } - - /** - * Prevents uninitialized instances from being created outside the package. - */ - Font(Device device) { - super(device); - } - - /** - * Constructs a new font given a device and font data which describes the - * desired font's appearance. - * <p> - * You must dispose the font when it is no longer required. - * </p> - * - * @param device - * the device to create the font on - * @param fd - * the FontData that describes the desired font (must not be - * null) - * - * @exception IllegalArgumentException - * <ul> - * <li>ERROR_NULL_ARGUMENT - if device is null and there is - * no current device</li> - * <li>ERROR_NULL_ARGUMENT - if the fd argument is null</li> - * </ul> - * @exception SWTError - * <ul> - * <li>ERROR_NO_HANDLES - if a font could not be created from - * the given font data</li> - * </ul> - */ - public Font(Device device, FontData fd) { - super(device); - init(fd); - init(); - } - - /** - * Constructs a new font given a device and an array of font data which - * describes the desired font's appearance. - * <p> - * You must dispose the font when it is no longer required. - * </p> - * - * @param device - * the device to create the font on - * @param fds - * the array of FontData that describes the desired font (must - * not be null) - * - * @exception IllegalArgumentException - * <ul> - * <li>ERROR_NULL_ARGUMENT - if device is null and there is - * no current device</li> - * <li>ERROR_NULL_ARGUMENT - if the fds argument is null</li> - * <li>ERROR_INVALID_ARGUMENT - if the length of fds is zero</li> - * <li>ERROR_NULL_ARGUMENT - if any fd in the array is null</li> - * </ul> - * @exception SWTError - * <ul> - * <li>ERROR_NO_HANDLES - if a font could not be created from - * the given font data</li> - * </ul> - * - * @since 2.1 - */ - public Font(Device device, FontData[] fds) { - super(device); - if (fds == null) { - SWT.error(SWT.ERROR_NULL_ARGUMENT); - } - if (fds.length == 0) { - SWT.error(SWT.ERROR_INVALID_ARGUMENT); - } - for (int i = 0; i < fds.length; i++) { - if (fds[i] == null) { - SWT.error(SWT.ERROR_INVALID_ARGUMENT); - } - } - init(fds[0]); - init(); - } - - /** - * Constructs a new font given a device, a font name, the height of the - * desired font in points, and a font style. - * <p> - * You must dispose the font when it is no longer required. - * </p> - * - * @param device - * the device to create the font on - * @param name - * the name of the font (must not be null) - * @param height - * the font height in points - * @param style - * a bit or combination of NORMAL, BOLD, ITALIC - * - * @exception IllegalArgumentException - * <ul> - * <li>ERROR_NULL_ARGUMENT - if device is null and there is - * no current device</li> - * <li>ERROR_NULL_ARGUMENT - if the name argument is null</li> - * <li>ERROR_INVALID_ARGUMENT - if the height is negative</li> - * </ul> - * @exception SWTError - * <ul> - * <li>ERROR_NO_HANDLES - if a font could not be created from - * the given arguments</li> - * </ul> - */ - public Font(Device device, String name, int height, int style) { - super(device); - if (name == null) { - SWT.error(SWT.ERROR_NULL_ARGUMENT); - } - init(new FontData(name, height, style)); - init(); - } - - public QFont getQFont() { - return font; - } - - // /*public*/ Font(Device device, String name, float height, int style) { - // super(device); - // if (name == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); - // init(new FontData (name, height, style)); - // init(); - // } - @Override - void destroy() { - font.dispose(); // TODO_DISPOSE - font = null; - - } - - /** - * Compares the argument to the receiver, and returns true if they represent - * the <em>same</em> 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 - */ - @Override - public boolean equals(Object object) { - if (object == this) { - return true; - } - if (!(object instanceof Font)) { - return false; - } - Font font = (Font) object; - return this.getQFont().equals(font.getQFont()); - } - - /** - * Returns an array of <code>FontData</code>s representing the receiver. On - * Windows, only one FontData will be returned per font. On X however, a - * <code>Font</code> object <em>may</em> be composed of multiple X fonts. To - * support this case, we return an array of font data objects. - * - * @return an array of font data objects describing the receiver - * - * @exception SWTException - * <ul> - * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been - * disposed</li> - * </ul> - */ - public FontData[] getFontData() { - if (isDisposed()) { - SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); - } - - String family = font.family(); - int pointSize = font.pointSize(); - int weight = font.weight(); - boolean italic = font.italic(); - - int style = SWT.NORMAL; - if (weight > SWQT.QT_FONTNORMAL) { - style |= SWT.BOLD; - } - if (italic) { - style |= SWT.ITALIC; - } - FontData data = new FontData(family, pointSize, style); - if (xlfd != null) { - data.xlfd = xlfd; - } else if (extraFontStyle) { - data.extraFontData = new QtSupplementaryFontData(); - QtSupplementaryFontData extraData = data.extraFontData; - extraData.underline = font.underline() ? 1 : 0; - extraData.overline = font.overline() ? 1 : 0; - extraData.strikeOut = font.strikeOut() ? 1 : 0; - extraData.stretch = font.stretch(); - extraData.fixedPitch = font.fixedPitch() ? 1 : 0; - extraData.style = font.style(); - extraData.weight = font.weight(); - extraData.styleStrategy = font.styleStrategy(); - } - return new FontData[] { data }; - } - - /** - * 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 - * - * @see #equals - */ - @Override - public int hashCode() { - if (font == null) { - return 0; - } - return font.toString().hashCode(); // TODO - } - - void init(FontData fd) { - if (fd == null) { - SWT.error(SWT.ERROR_NULL_ARGUMENT); - } - int weight = QFont.Weight.Normal.value(); - boolean italic = false; - if (fd.extraFontData != null) { - weight = fd.extraFontData.weight; - italic = fd.extraFontData.style == QFont.Style.StyleItalic; - } - - font = new QFont(fd.name, fd.getHeight(), weight, italic); - // TODO font can be BOLD AND ITALIC - if (fd.style == SWT.BOLD) { - font.setBold(true); - } - if (fd.style == SWT.ITALIC) { - font.setItalic(true); - } - // int lfHeight = fontData.lfHeight; - // fontData.lfHeight = device.computePixels(fd.height); - // handle = OS.CreateFontIndirect(logFont); - // fontData.lfHeight = lfHeight; - // if (handle == 0) SWT.error(SWT.ERROR_NO_HANDLES); - } - - /** - * Returns <code>true</code> if the font has been disposed, and - * <code>false</code> otherwise. - * <p> - * This method gets the dispose state for the font. When a font has been - * disposed, it is an error to invoke any other method using the font. - * - * @return <code>true</code> when the font is disposed and - * <code>false</code> otherwise - */ - @Override - public boolean isDisposed() { - return font == null; - } - - /** - * Returns a string containing a concise, human-readable description of the - * receiver. - * - * @return a string representation of the receiver - */ - @Override - public String toString() { - if (isDisposed()) { - return "Font {*DISPOSED*}"; //$NON-NLS-1$ - } - return "Font {" + font.family() + "}"; //$NON-NLS-1$ //$NON-NLS-2$ - } - - /** - * Invokes platform specific functionality to allocate a new font. - * <p> - * <b>IMPORTANT:</b> This method is <em>not</em> part of the public API for - * <code>Font</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. - * </p> - * - * @param device - * the device on which to allocate the color - * @param handle - * the handle for the font - * @return a new font object containing the specified device and handle - */ - public static Font qt_new(Device device, QFont fontParm) { - if (fontParm == null) { - return null; - } - if (device == null) { - device = Device.getDevice(); - } - if (device == null) { - SWT.error(SWT.ERROR_NULL_ARGUMENT); - } - Font font = new Font(); - font.font = fontParm; - font.device = device; - return font; - } - -} |