diff options
Diffstat (limited to 'common/gdi_canvas.c')
| -rw-r--r-- | common/gdi_canvas.c | 1757 |
1 files changed, 1757 insertions, 0 deletions
diff --git a/common/gdi_canvas.c b/common/gdi_canvas.c new file mode 100644 index 00000000..99079f56 --- /dev/null +++ b/common/gdi_canvas.c @@ -0,0 +1,1757 @@ +/* + Copyright (C) 2009 Red Hat, Inc. + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2 of + the License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include <Windows.h> +#include <Wingdi.h> +#include "gdi_canvas.h" +#define GDI_CANVAS +#include "canvas_base.c" +#include "rop3.h" +#include "rect.h" +#include "region.h" +#include "threads.h" + +struct GdiCanvas { + CanvasBase base; + HDC dc; + Mutex* lock; +}; + + +struct BitmapData { + HBITMAP hbitmap; + HBITMAP prev_hbitmap; + Point pos; + uint8_t flags; + HDC dc; + int cache; +}; + +#define _rop3_brush 0xf0 +#define _rop3_src 0xcc +#define _rop3_dest 0xaa + +uint32_t raster_ops[] = { + 0x00000042, + 0x00010289, + 0x00020C89, + 0x000300AA, + 0x00040C88, + 0x000500A9, + 0x00060865, + 0x000702C5, + 0x00080F08, + 0x00090245, + 0x000A0329, + 0x000B0B2A, + 0x000C0324, + 0x000D0B25, + 0x000E08A5, + 0x000F0001, + 0x00100C85, + 0x001100A6, + 0x00120868, + 0x001302C8, + 0x00140869, + 0x001502C9, + 0x00165CCA, + 0x00171D54, + 0x00180D59, + 0x00191CC8, + 0x001A06C5, + 0x001B0768, + 0x001C06CA, + 0x001D0766, + 0x001E01A5, + 0x001F0385, + 0x00200F09, + 0x00210248, + 0x00220326, + 0x00230B24, + 0x00240D55, + 0x00251CC5, + 0x002606C8, + 0x00271868, + 0x00280369, + 0x002916CA, + 0x002A0CC9, + 0x002B1D58, + 0x002C0784, + 0x002D060A, + 0x002E064A, + 0x002F0E2A, + 0x0030032A, + 0x00310B28, + 0x00320688, + 0x00330008, + 0x003406C4, + 0x00351864, + 0x003601A8, + 0x00370388, + 0x0038078A, // PSDPoax + 0x00390604, // SPDnox + 0x003A0644, // SPDSxox + 0x003B0E24, // SPDnoan + 0x003C004A, // PSx + 0x003D18A4, // SPDSonox + 0x003E1B24, // SPDSnaox + 0x003F00EA, // PSan + 0x00400F0A, // PSDnaa + 0x00410249, // DPSxon + 0x00420D5D, // SDxPDxa + 0x00431CC4, // SPDSanaxn + 0x00440328, // SDna SRCERASE + 0x00450B29, // DPSnaon + 0x004606C6, // DSPDaox + 0x0047076A, // PSDPxaxn + 0x00480368, // SDPxa + 0x004916C5, // PDSPDaoxxn + 0x004A0789, // DPSDoax + 0x004B0605, // PDSnox + 0x004C0CC8, // SDPana + 0x004D1954, // SSPxDSxoxn + 0x004E0645, // PDSPxox + 0x004F0E25, // PDSnoan + 0x00500325, // PDna + 0x00510B26, // DSPnaon + 0x005206C9, // DPSDaox + 0x00530764, // SPDSxaxn + 0x005408A9, // DPSonon + 0x00550009, // Dn DSTINVERT + 0x005601A9, // DPSox + 0x00570389, // DPSoan + 0x00580785, // PDSPoax + 0x00590609, // DPSnox + 0x005A0049, // DPx PATINVERT + 0x005B18A9, // DPSDonox + 0x005C0649, // DPSDxox + 0x005D0E29, // DPSnoan + 0x005E1B29, // DPSDnaox + 0x005F00E9, // DPan + 0x00600365, // PDSxa + 0x006116C6, // DSPDSaoxxn + 0x00620786, // DSPDoax + 0x00630608, // SDPnox + 0x00640788, // SDPSoax + 0x00650606, // DSPnox + 0x00660046, // DSx SRCINVERT + 0x006718A8, // SDPSonox + 0x006858A6, // DSPDSonoxxn + 0x00690145, // PDSxxn + 0x006A01E9, // DPSax + 0x006B178A, // PSDPSoaxxn + 0x006C01E8, // SDPax + 0x006D1785, // PDSPDoaxxn + 0x006E1E28, // SDPSnoax + 0x006F0C65, // PDSxnan + 0x00700CC5, // PDSana + 0x00711D5C, // SSDxPDxaxn + 0x00720648, // SDPSxox + 0x00730E28, // SDPnoan + 0x00740646, // DSPDxox + 0x00750E26, // DSPnoan + 0x00761B28, // SDPSnaox + 0x007700E6, // DSan + 0x007801E5, // PDSax + 0x00791786, // DSPDSoaxxn + 0x007A1E29, // DPSDnoax + 0x007B0C68, // SDPxnan + 0x007C1E24, // SPDSnoax + 0x007D0C69, // DPSxnan + 0x007E0955, // SPxDSxo + 0x007F03C9, // DPSaan + 0x008003E9, // DPSaa + 0x00810975, // SPxDSxon + 0x00820C49, // DPSxna + 0x00831E04, // SPDSnoaxn + 0x00840C48, // SDPxna + 0x00851E05, // PDSPnoaxn + 0x008617A6, // DSPDSoaxx + 0x008701C5, // PDSaxn + 0x008800C6, // DSa SRCAND + 0x00891B08, // SDPSnaoxn + 0x008A0E06, // DSPnoa + 0x008B0666, // DSPDxoxn + 0x008C0E08, // SDPnoa + 0x008D0668, // SDPSxoxn + 0x008E1D7C, // SSDxPDxax + 0x008F0CE5, // PDSanan + 0x00900C45, // PDSxna + 0x00911E08, // SDPSnoaxn + 0x009217A9, // DPSDPoaxx + 0x009301C4, // SPDaxn + 0x009417AA, // PSDPSoaxx + 0x009501C9, // DPSaxn + 0x00960169, // DPSxx + 0x0097588A, // PSDPSonoxx + 0x00981888, // SDPSonoxn + 0x00990066, // DSxn + 0x009A0709, // DPSnax + 0x009B07A8, // SDPSoaxn + 0x009C0704, // SPDnax + 0x009D07A6, // DSPDoaxn + 0x009E16E6, // DSPDSaoxx + 0x009F0345, // PDSxan + 0x00A000C9, // DPa + 0x00A11B05, // PDSPnaoxn + 0x00A20E09, // DPSnoa + 0x00A30669, // DPSDxoxn + 0x00A41885, // PDSPonoxn + 0x00A50065, // PDxn + 0x00A60706, // DSPnax + 0x00A707A5, // PDSPoaxn + 0x00A803A9, // DPSoa + 0x00A90189, // DPSoxn + 0x00AA0029, // D + 0x00AB0889, // DPSono + 0x00AC0744, // SPDSxax + 0x00AD06E9, // DPSDaoxn + 0x00AE0B06, // DSPnao + 0x00AF0229, // DPno + 0x00B00E05, // PDSnoa + 0x00B10665, // PDSPxoxn + 0x00B21974, // SSPxDSxox + 0x00B30CE8, // SDPanan + 0x00B4070A, // PSDnax + 0x00B507A9, // DPSDoaxn + 0x00B616E9, // DPSDPaoxx + 0x00B70348, // SDPxan + 0x00B8074A, // PSDPxax + 0x00B906E6, // DSPDaoxn + 0x00BA0B09, // DPSnao + 0x00BB0226, // DSno MERGEPAINT + 0x00BC1CE4, // SPDSanax + 0x00BD0D7D, // SDxPDxan + 0x00BE0269, // DPSxo + 0x00BF08C9, // DPSano + 0x00C000CA, // PSa MERGECOPY + 0x00C11B04, // SPDSnaoxn + 0x00C21884, // SPDSonoxn + 0x00C3006A, // PSxn + 0x00C40E04, // SPDnoa + 0x00C50664, // SPDSxoxn + 0x00C60708, // SDPnax + 0x00C707AA, // PSDPoaxn + 0x00C803A8, // SDPoa + 0x00C90184, // SPDoxn + 0x00CA0749, // DPSDxax + 0x00CB06E4, // SPDSaoxn + 0x00CC0020, // S SRCCOPY + 0x00CD0888, // SDPono + 0x00CE0B08, // SDPnao + 0x00CF0224, // SPno + 0x00D00E0A, // PSDnoa + 0x00D1066A, // PSDPxoxn + 0x00D20705, // PDSnax + 0x00D307A4, // SPDSoaxn + 0x00D41D78, // SSPxPDxax + 0x00D50CE9, // DPSanan + 0x00D616EA, // PSDPSaoxx + 0x00D70349, // DPSxan + 0x00D80745, // PDSPxax + 0x00D906E8, // SDPSaoxn + 0x00DA1CE9, // DPSDanax + 0x00DB0D75, // SPxDSxan + 0x00DC0B04, // SPDnao + 0x00DD0228, // SDno + 0x00DE0268, // SDPxo + 0x00DF08C8, // SDPano + 0x00E003A5, // PDSoa + 0x00E10185, // PDSoxn + 0x00E20746, // DSPDxax + 0x00E306EA, // PSDPaoxn + 0x00E40748, // SDPSxax + 0x00E506E5, // PDSPaoxn + 0x00E61CE8, // SDPSanax + 0x00E70D79, // SPxPDxan + 0x00E81D74, // SSPxDSxax + 0x00E95CE6, // DSPDSanaxxn + 0x00EA02E9, // DPSao + 0x00EB0849, // DPSxno + 0x00EC02E8, // SDPao + 0x00ED0848, // SDPxno + 0x00EE0086, // DSo SRCPAINT + 0x00EF0A08, // SDPnoo + 0x00F00021, // P PATCOPY + 0x00F10885, // PDSono + 0x00F20B05, // PDSnao + 0x00F3022A, // PSno + 0x00F40B0A, // PSDnao + 0x00F50225, // PDno + 0x00F60265, // PDSxo + 0x00F708C5, // PDSano + 0x00F802E5, // PDSao + 0x00F90845, // PDSxno + 0x00FA0089, // DPo + 0x00FB0A09, // DPSnoo PATPAINT + 0x00FC008A, // PSo + 0x00FD0A0A, // PSDnoo + 0x00FE02A9, // DPSoo + 0x00FF0062 // 1 WHITENESS +}; + +static inline void surface_to_image(cairo_surface_t *surface, GdiImage *image) +{ + cairo_format_t format = cairo_image_surface_get_format(surface); + + ASSERT(format == CAIRO_FORMAT_ARGB32 || format == CAIRO_FORMAT_RGB24); + image->width = cairo_image_surface_get_width(surface); + image->height = cairo_image_surface_get_height(surface); + image->stride = cairo_image_surface_get_stride(surface); + image->pixels = cairo_image_surface_get_data(surface); +} + +static void set_path(GdiCanvas *canvas, void *addr) +{ + uint32_t* data_size = (uint32_t*)addr; + access_test(&canvas->base, data_size, sizeof(uint32_t)); + uint32_t more = *data_size; + + PathSeg* seg = (PathSeg*)(data_size + 1); + + do { + access_test(&canvas->base, seg, sizeof(PathSeg)); + + uint32_t flags = seg->flags; + PointFix* point = (PointFix*)seg->data; + PointFix* end_point = point + seg->count; + access_test(&canvas->base, point, (unsigned long)end_point - (unsigned long)point); + ASSERT(point < end_point); + more -= ((unsigned long)end_point - (unsigned long)seg); + seg = (PathSeg*)end_point; + + if (flags & PATH_BEGIN) { + BeginPath(canvas->dc); + if (!MoveToEx(canvas->dc, (int)fix_to_double(point->x), (int)fix_to_double(point->y), + NULL)) { + CANVAS_ERROR("MoveToEx failed"); + return; + } + point++; + } + + if (flags & PATH_BEZIER) { + ASSERT((point - end_point) % 3 == 0); + for (; point + 2 < end_point; point += 3) { + POINT points[3]; + + points[0].x = (int)fix_to_double(point[0].x); + points[0].y = (int)fix_to_double(point[0].y); + points[1].x = (int)fix_to_double(point[1].x); + points[1].y = (int)fix_to_double(point[1].y); + points[2].x = (int)fix_to_double(point[2].x); + points[2].y = (int)fix_to_double(point[2].y); + if (!PolyBezierTo(canvas->dc, points, 3)) { + CANVAS_ERROR("PolyBezierTo failed"); + return; + } + } + } else { + for (; point < end_point; point++) { + if (!LineTo(canvas->dc, (int)fix_to_double(point->x), + (int)fix_to_double(point->y))) { + CANVAS_ERROR("LineTo failed"); + } + } + } + + if (flags & PATH_END) { + + if (flags & PATH_CLOSE) { + if (!CloseFigure(canvas->dc)) { + CANVAS_ERROR("CloseFigure failed"); + } + } + + if (!EndPath(canvas->dc)) { + CANVAS_ERROR("EndPath failed"); + } + } + + } while (more); +} + +static void set_scale_mode(GdiCanvas *canvas, uint8_t scale_mode) +{ + if (scale_mode == IMAGE_SCALE_INTERPOLATE) { + SetStretchBltMode(canvas->dc, HALFTONE); + } else if (scale_mode == IMAGE_SCALE_NEAREST) { + SetStretchBltMode(canvas->dc, COLORONCOLOR); + } else { + CANVAS_ERROR("Unknown ScaleMode"); + } +} + +static void set_clip(GdiCanvas *canvas, Clip *clip) +{ + switch (clip->type) { + case CLIP_TYPE_NONE: + if (SelectClipRgn(canvas->dc, NULL) == ERROR) { + CANVAS_ERROR("SelectClipRgn failed"); + } + break; + case CLIP_TYPE_RECTS: { + uint32_t *n = (uint32_t *)GET_ADDRESS(clip->data); + access_test(&canvas->base, n, sizeof(uint32_t)); + + Rect *now = (Rect *)(n + 1); + Rect *end = now + *n; + access_test(&canvas->base, now, (unsigned long)end - (unsigned long)now); + + if (now < end) { + HRGN main_hrgn; + + main_hrgn = CreateRectRgn(now->left, now->top, now->right, now->bottom); + if (!main_hrgn) { + return; + } + now++; + for (; now < end; now++) { + HRGN combaine_hrgn; + combaine_hrgn = CreateRectRgn(now->left, now->top, now->right, + now->bottom); + if (!combaine_hrgn) { + CANVAS_ERROR("Unable to CreateRectRgn"); + DeleteObject(main_hrgn); + return; + } + if (CombineRgn(main_hrgn, main_hrgn, combaine_hrgn, RGN_OR) == ERROR) { + CANVAS_ERROR("Unable to CombineRgn"); + DeleteObject(combaine_hrgn); + return; + } + DeleteObject(combaine_hrgn); + } + if (SelectClipRgn(canvas->dc, main_hrgn) == ERROR) { + CANVAS_ERROR("Unable to SelectClipRgn"); + } + DeleteObject(main_hrgn); + } + break; + } + case CLIP_TYPE_PATH: + set_path(canvas, GET_ADDRESS(clip->data)); + if (SelectClipPath(canvas->dc, RGN_COPY) == ERROR) { + CANVAS_ERROR("Unable to SelectClipPath"); + } + break; + default: + CANVAS_ERROR("invalid clip type"); + } +} + +static void copy_bitmap(const uint8_t *src_image, int height, int src_stride, + uint8_t *dest_bitmap, int dest_stride) +{ + int copy_width = MIN(dest_stride, src_stride); + int y = 0; + + ASSERT(dest_stride >= 0 && src_stride >= 0); + while (y < height) { + memcpy(dest_bitmap, src_image, copy_width); + src_image += src_stride; + dest_bitmap += dest_stride; + y++; + } +} + +static void copy_bitmap_alpha(const uint8_t *src_alpha, int height, int width, int src_stride, + uint8_t *dest_bitmap, int dest_stride, int alpha_bits_size) +{ + int y = 0; + uint8_t i_offset; + int i_count = 0; + int i = 0; + int width_div_stride; + + width_div_stride = width / src_stride; + + if (alpha_bits_size == 1) { + i_offset = 1; + } else { + i_offset = 8; + } + + + while (y < height) { + int x; + + for (x = 0; x < width; ++x) { + uint8_t alphaval; + double alpha; + + alphaval = src_alpha[i]; + alphaval = alphaval >> (i_count * i_offset); + alphaval = alphaval &= ((uint8_t)0xff >> (8 - i_offset)); + alphaval = ((255 * alphaval) / ((uint8_t)0xff >> (8 - i_offset))); + + dest_bitmap[x * 4 + 3] = alphaval; + alpha = (double)alphaval / 0xff; + dest_bitmap[x * 4 + 2] = (uint8_t)(alpha * dest_bitmap[x * 4 + 2]); + dest_bitmap[x * 4 + 1] = (uint8_t)(alpha * dest_bitmap[x * 4 + 1]); + dest_bitmap[x * 4] = (uint8_t)(alpha * dest_bitmap[x * 4]); + + i_count++; + if (i_count == (8 / i_offset)) { + i++; + i_count = 0; + } + } + + dest_bitmap += width * 4; + i = 0; + src_alpha += src_stride; + i_count = 0; + y++; + } +} + +static uint8_t *create_bitmap(HBITMAP *bitmap, HBITMAP *prev_bitmap, HDC *dc, + const uint8_t *bitmap_data, int width, int height, + int stride, int bits, int rotate) +{ + uint8_t *data; + const uint8_t *src_data; + uint32_t nstride; + struct { + BITMAPINFO inf; + RGBQUAD palette[255]; + } bitmap_info; + + memset(&bitmap_info, 0, sizeof(bitmap_info)); + bitmap_info.inf.bmiHeader.biSize = sizeof(bitmap_info.inf.bmiHeader); + bitmap_info.inf.bmiHeader.biWidth = width; + if (stride < 0) { + bitmap_info.inf.bmiHeader.biHeight = height; + } else { + bitmap_info.inf.bmiHeader.biHeight = -height; + } + + if (rotate) { + bitmap_info.inf.bmiHeader.biHeight = -bitmap_info.inf.bmiHeader.biHeight; + } + + bitmap_info.inf.bmiHeader.biPlanes = 1; + bitmap_info.inf.bmiHeader.biBitCount = bits; + bitmap_info.inf.bmiHeader.biCompression = BI_RGB; + + *dc = create_compatible_dc(); + if (!*dc) { + CANVAS_ERROR("create_compatible_dc() failed"); + return NULL; + } + + *bitmap = CreateDIBSection(*dc, &bitmap_info.inf, 0, (VOID **)&data, NULL, 0); + if (!*bitmap) { + CANVAS_ERROR("Unable to CreateDIBSection"); + DeleteDC(*dc); + return NULL; + } + *prev_bitmap = (HBITMAP)SelectObject(*dc, *bitmap); + + if (stride < 0) { + src_data = bitmap_data - (height - 1) * -stride; + } else { + src_data = bitmap_data; + } + + switch (bits) { + case 1: + nstride = ALIGN(width, 32) / 8; + break; + case 8: + nstride = ALIGN(width, 4); + break; + case 32: + nstride = width * 4; + break; + default: + CANVAS_ERROR("invalid bitmap bits size"); + } + + if (bitmap_data) { + if (stride < 0) { + copy_bitmap(src_data, height, -stride, data, nstride); + } else { + copy_bitmap(src_data, height, stride, data, nstride); + } + } + + return data; +} + +static void release_bitmap(HDC dc, HBITMAP bitmap, HBITMAP prev_bitmap, int cache) +{ + bitmap = (HBITMAP)SelectObject(dc, prev_bitmap); + if (!cache) { + DeleteObject(bitmap); + } + DeleteDC(dc); +} + +static inline uint8_t get_converted_color(uint8_t color) +{ + uint8_t msb; + + msb = color & 0xE0; + msb = msb >> 5; + color |= msb; + return color; +} + +static inline COLORREF get_color_ref(GdiCanvas *canvas, uint32_t color) +{ + int shift = canvas->base.color_shift == 8 ? 0 : 3; + uint8_t r, g, b; + + b = (color & canvas->base.color_mask); + color >>= canvas->base.color_shift; + g = (color & canvas->base.color_mask); + color >>= canvas->base.color_shift; + r = (color & canvas->base.color_mask); + if (shift) { + r = get_converted_color(r << shift); + g = get_converted_color(g << shift); + b = get_converted_color(b << shift); + } + return RGB(r, g, b); +} + +static HBRUSH get_brush(GdiCanvas *canvas, Brush *brush) +{ + HBRUSH hbrush; + + switch (brush->type) { + case BRUSH_TYPE_SOLID: + if (!(hbrush = CreateSolidBrush(get_color_ref(canvas, brush->u.color)))) { + CANVAS_ERROR("CreateSolidBrush failed"); + } + return hbrush; + case BRUSH_TYPE_PATTERN: { + GdiImage image; + HBRUSH hbrush; + cairo_surface_t *surface; + HDC dc; + HBITMAP bitmap; + HBITMAP prev_bitmap; + + surface = canvas_get_image(&canvas->base, brush->u.pattern.pat); + surface_to_image(surface, &image); + + if (!create_bitmap(&bitmap, &prev_bitmap, &dc, image.pixels, image.width, + image.height, image.stride, 32, 0)) { + CANVAS_ERROR("create_bitmap failed"); + return NULL; + } + + if (!(hbrush = CreatePatternBrush(bitmap))) { + CANVAS_ERROR("CreatePatternBrush failed"); + } + + release_bitmap(dc, bitmap, prev_bitmap, 0); + cairo_surface_destroy(surface); + return hbrush; + } + case BRUSH_TYPE_NONE: + return NULL; + default: + CANVAS_ERROR("invalid brush type"); + return NULL; + } +} + +static HBRUSH set_brush(HDC dc, HBRUSH hbrush, Brush *brush) +{ + switch (brush->type) { + case BRUSH_TYPE_SOLID: { + return (HBRUSH)SelectObject(dc, hbrush); + } + case BRUSH_TYPE_PATTERN: { + HBRUSH prev_hbrush; + prev_hbrush = (HBRUSH)SelectObject(dc, hbrush); + if (!SetBrushOrgEx(dc, brush->u.pattern.pos.x, brush->u.pattern.pos.y, NULL)) { + CANVAS_ERROR("SetBrushOrgEx failed"); + } + return prev_hbrush; + } + default: + CANVAS_ERROR("invalid brush type"); + return NULL; + } +} + +static void unset_brush(HDC dc, HBRUSH prev_hbrush) +{ + if (!prev_hbrush) { + return; + } + prev_hbrush = (HBRUSH)SelectObject(dc, prev_hbrush); + DeleteObject(prev_hbrush); +} + +uint8_t calc_rop3(uint16_t rop3_bits, int brush) +{ + uint8_t rop3 = 0; + uint8_t rop3_src = _rop3_src; + uint8_t rop3_dest = _rop3_dest; + uint8_t rop3_brush = _rop3_brush; + uint8_t rop3_src_brush; + + if (rop3_bits & ROPD_INVERS_SRC) { + rop3_src = ~rop3_src; + } + if (rop3_bits & ROPD_INVERS_BRUSH) { + rop3_brush = ~rop3_brush; + } + if (rop3_bits & ROPD_INVERS_DEST) { + rop3_dest = ~rop3_dest; + } + + if (brush) { + rop3_src_brush = rop3_brush; + } else { + rop3_src_brush = rop3_src; + } + + if (rop3_bits & ROPD_OP_PUT) { + rop3 = rop3_src_brush; + } + if (rop3_bits & ROPD_OP_OR) { + rop3 = rop3_src_brush | rop3_dest; + } + if (rop3_bits & ROPD_OP_AND) { + rop3 = rop3_src_brush & rop3_dest; + } + if (rop3_bits & ROPD_OP_XOR) { + rop3 = rop3_src_brush ^ rop3_dest; + } + if (rop3_bits & ROPD_INVERS_RES) { + rop3 = ~rop3_dest; + } + + if (rop3_bits & ROPD_OP_BLACKNESS || rop3_bits & ROPD_OP_WHITENESS || + rop3_bits & ROPD_OP_INVERS) { + CANVAS_ERROR("invalid rop3 type"); + } + return rop3; +} + +uint8_t calc_rop3_src_brush(uint16_t rop3_bits) +{ + uint8_t rop3 = 0; + uint8_t rop3_src = _rop3_src; + uint8_t rop3_brush = _rop3_brush; + + if (rop3_bits & ROPD_INVERS_SRC) { + rop3_src = ~rop3_src; + } + if (rop3_bits & ROPD_INVERS_BRUSH) { + rop3_brush = ~rop3_brush; + } + + if (rop3_bits & ROPD_OP_OR) { + rop3 = rop3_src | rop3_brush; + } + if (rop3_bits & ROPD_OP_AND) { + rop3 = rop3_src & rop3_brush; + } + if (rop3_bits & ROPD_OP_XOR) { + rop3 = rop3_src ^ rop3_brush; + } + + return rop3; +} + +static struct BitmapData get_mask_bitmap(struct GdiCanvas *canvas, struct QMask *mask) +{ + cairo_surface_t *surface; + struct BitmapData bitmap; + BitmapCache *bitmap_cache; + + bitmap.hbitmap = NULL; + if (!(surface = canvas_get_mask(&canvas->base, mask))) { + return bitmap; + } + + bitmap_cache = (BitmapCache *)cairo_surface_get_user_data(surface, &bitmap_data_type); + if (bitmap_cache && (WaitForSingleObject(bitmap_cache->mutex, INFINITE) != WAIT_FAILED)) { + bitmap.dc = create_compatible_dc(); + bitmap.prev_hbitmap = (HBITMAP)SelectObject(bitmap.dc, bitmap_cache->bitmap); + bitmap.hbitmap = bitmap_cache->bitmap; + ReleaseMutex(bitmap_cache->mutex); + bitmap.cache = 1; + } else if (!create_bitmap(&bitmap.hbitmap, &bitmap.prev_hbitmap, &bitmap.dc, + cairo_image_surface_get_data(surface), + cairo_image_surface_get_width(surface), + cairo_image_surface_get_height(surface), + cairo_image_surface_get_stride(surface), 1, 0)) { + bitmap.hbitmap = NULL; + } else { + bitmap.cache = 0; + } + + bitmap.flags = mask->flags; + bitmap.pos = mask->pos; + + return bitmap; +} + +static void gdi_draw_bitmap(HDC dest_dc, const Rect *src, const Rect *dest, + HDC src_dc, struct BitmapData *bitmapmask, uint32_t rop3_val) +{ + uint32_t rast_oper; + + rast_oper = raster_ops[rop3_val]; + + if (!bitmapmask || !bitmapmask->hbitmap) { + if ((dest->right - dest->left) == (src->right - src->left) && + (dest->bottom - dest->top) == (src->bottom - src->top)) { + if (!BitBlt(dest_dc, dest->left, dest->top, dest->right - dest->left, + dest->bottom - dest->top, src_dc, src->left, src->top, rast_oper)) { + CANVAS_ERROR("BitBlt failed"); + } + } else { + if (!StretchBlt(dest_dc, dest->left, dest->top, dest->right - dest->left, + dest->bottom - dest->top, src_dc, src->left, src->top, + src->right - src->left, src->bottom - src->top, rast_oper)) { + CANVAS_ERROR("StretchBlt failed"); + } + } + } else { + rast_oper = MAKEROP4(rast_oper, raster_ops[_rop3_dest]); + + if (!MaskBlt(dest_dc, dest->left, dest->top, dest->right - dest->left, + dest->bottom - dest->top, src_dc, src->left, src->top, + bitmapmask->hbitmap, bitmapmask->pos.x, bitmapmask->pos.y, + rast_oper)) { + CANVAS_ERROR("MaskBlt failed"); + } + } +} + +static void gdi_draw_bitmap_redrop(HDC dest_dc, const Rect *src, const Rect *dest, + HDC src_dc, struct BitmapData *bitmapmask, + uint16_t rop, int brush) +{ + uint32_t rop3_val; + + rop3_val = calc_rop3(rop, brush); + gdi_draw_bitmap(dest_dc, src, dest, src_dc, bitmapmask, rop3_val); +} + +static void free_mask(struct BitmapData *bitmap) +{ + if (bitmap->hbitmap) { + release_bitmap(bitmap->dc, bitmap->hbitmap, bitmap->prev_hbitmap, bitmap->cache); + } +} + +static void draw_str_mask_bitmap(struct GdiCanvas *canvas, + String *str, int n, Rect *dest, + Rect *src, Brush *brush) +{ + cairo_surface_t *surface; + struct BitmapData bitmap; + Point pos; + int dest_stride; + uint8_t *bitmap_data; + HBRUSH prev_hbrush; + HBRUSH hbrush; + + bitmap.hbitmap = (HBITMAP)1; + if (!(surface = canvas_get_str_mask(&canvas->base, str, n, &pos))) { + CANVAS_ERROR("unable to canvas_get_str_mask"); + return; + } + + bitmap.cache = 0; + bitmap_data = create_bitmap(&bitmap.hbitmap, &bitmap.prev_hbitmap, + &bitmap.dc, NULL, + cairo_image_surface_get_width(surface), + cairo_image_surface_get_height(surface), + cairo_image_surface_get_stride(surface), 32, 0); + + if (!bitmap_data) { + return; + } + + bitmap.flags = 0; + bitmap.pos.x = 0; + bitmap.pos.y = 0; + + dest->left = pos.x; + dest->top = pos.y; + dest->right = pos.x + cairo_image_surface_get_width(surface); + dest->bottom = pos.y + cairo_image_surface_get_height(surface); + src->left = 0; + src->top = 0; + src->right = cairo_image_surface_get_width(surface); + src->bottom = cairo_image_surface_get_height(surface); + + dest_stride = cairo_image_surface_get_width(surface); + switch (n) { + case 1: + dest_stride = dest_stride / 8; + break; + case 4: + dest_stride = dest_stride / 2; + break; + case 32: + dest_stride = dest_stride * 4; + break; + default: + CANVAS_ERROR("unsupported bitmap bits size"); + } + dest_stride = dest_stride + 3; + dest_stride = dest_stride & ~3; + + hbrush = get_brush(canvas, brush); + prev_hbrush = set_brush(bitmap.dc, hbrush, brush); + gdi_draw_bitmap(bitmap.dc, src, src, bitmap.dc, NULL, _rop3_brush); + + unset_brush(bitmap.dc, prev_hbrush); + + copy_bitmap_alpha(cairo_image_surface_get_data(surface), + cairo_image_surface_get_height(surface), + cairo_image_surface_get_width(surface), + cairo_image_surface_get_stride(surface), + bitmap_data, dest_stride, n); + + BLENDFUNCTION bf = {AC_SRC_OVER, 0, 255, AC_SRC_ALPHA}; + + Lock lock(*canvas->lock); + AlphaBlend(canvas->dc, dest->left, dest->top, dest->right - dest->left, + dest->bottom - dest->top, bitmap.dc, src->left, src->top, + src->right - src->left, src->bottom - src->top, bf); + + free_mask(&bitmap); +} + +static void gdi_draw_image(HDC dest_dc, const Rect *src, const Rect *dest, + const uint8_t *bitmap_data, int bit_stride, int bit_width, + int bit_height, struct BitmapData *bitmapmask, uint16_t rop, + int rotate) +{ + HDC dc; + HBITMAP bitmap; + HBITMAP prev_bitmap; + + create_bitmap(&bitmap, &prev_bitmap, &dc, bitmap_data, bit_width, bit_height, + bit_stride, 32, rotate); + + gdi_draw_bitmap_redrop(dest_dc, src, dest, dc, bitmapmask, rop, 0); + + release_bitmap(dc, bitmap, prev_bitmap, 0); +} + +static void gdi_draw_image_rop3(HDC dest_dc, const Rect *src, const Rect *dest, + const uint8_t *bitmap_data, int bit_stride, int bit_width, + int bit_height, struct BitmapData *bitmapmask, uint8_t rop3, + int rotate) +{ + HDC dc; + HBITMAP bitmap; + HBITMAP prev_bitmap; + + create_bitmap(&bitmap, &prev_bitmap, &dc, bitmap_data, bit_width, bit_height, + bit_stride, 32, rotate); + + gdi_draw_bitmap(dest_dc, src, dest, dc, bitmapmask, rop3); + + release_bitmap(dc, bitmap, prev_bitmap, 0); +} + +void gdi_canvas_draw_fill(GdiCanvas *canvas, Rect *bbox, Clip *clip, Fill *fill) +{ + HBRUSH prev_hbrush; + HBRUSH brush; + struct BitmapData bitmapmask; + + if (!(brush = get_brush(canvas, &fill->brush))) { + CANVAS_ERROR("no braash"); + return; + } + bitmapmask = get_mask_bitmap(canvas, &fill->mask); + + Lock lock(*canvas->lock); + set_clip(canvas, clip); + prev_hbrush = set_brush(canvas->dc, brush, &fill->brush); + gdi_draw_bitmap_redrop(canvas->dc, bbox, bbox, canvas->dc, &bitmapmask, + fill->rop_decriptor, fill->brush.type != BRUSH_TYPE_NONE); + + free_mask(&bitmapmask); + unset_brush(canvas->dc, prev_hbrush); +} + +void gdi_canvas_draw_copy(GdiCanvas *canvas, Rect *bbox, Clip *clip, Copy *copy) +{ + cairo_surface_t *surface; + GdiImage image; + struct BitmapData bitmapmask; + BitmapCache *bitmap_cache; + + bitmapmask = get_mask_bitmap(canvas, ©->mask); + surface = canvas_get_image(&canvas->base, copy->src_bitmap); + bitmap_cache = (BitmapCache *)cairo_surface_get_user_data(surface, &bitmap_data_type); + + Lock lock(*canvas->lock); + set_scale_mode(canvas, copy->scale_mode); + set_clip(canvas, clip); + + if (bitmap_cache && (WaitForSingleObject(bitmap_cache->mutex, INFINITE) != WAIT_FAILED)) { + HDC dc; + HBITMAP prev_bitmap; + + dc = create_compatible_dc(); + prev_bitmap = (HBITMAP)SelectObject(dc, bitmap_cache->bitmap); + gdi_draw_bitmap_redrop(canvas->dc, ©->src_area, bbox, dc, + &bitmapmask, copy->rop_decriptor, 0); + SelectObject(dc, prev_bitmap); + DeleteObject(dc); + ReleaseMutex(bitmap_cache->mutex); + } else { + surface_to_image(surface, &image); + gdi_draw_image(canvas->dc, ©->src_area, bbox, image.pixels, + image.stride, image.width, image.height, &bitmapmask, + copy->rop_decriptor, 0); + } + + free_mask(&bitmapmask); + + cairo_surface_destroy(surface); +} + +void gdi_canvas_put_image(GdiCanvas *canvas, HDC dc, const Rect *dest, const uint8_t *src_data, + uint32_t src_width, uint32_t src_height, int src_stride, + const QRegion *clip) +{ + Rect src; + src.top = 0; + src.bottom = src_height; + src.left = 0; + src.right = src_width; + + Lock lock(*canvas->lock); + set_scale_mode(canvas, IMAGE_SCALE_NEAREST); + if (clip) { + if (clip->num_rects == 0) { + return; + } else { + HRGN main_hrgn; + uint32_t i; + + main_hrgn = CreateRectRgn(clip->rects[0].left, clip->rects[0].top, clip->rects[0].right, + clip->rects[0].bottom); + if (!main_hrgn) { + return; + } + + for (i = 1; i < clip->num_rects; i++) { + HRGN combaine_hrgn; + + combaine_hrgn = CreateRectRgn(clip->rects[i].left, clip->rects[i].top, + clip->rects[i].right, + clip->rects[i].bottom); + if (!combaine_hrgn) { + CANVAS_ERROR("CreateRectRgn failed"); + DeleteObject(main_hrgn); + return; + } + if (!CombineRgn(main_hrgn, main_hrgn, combaine_hrgn, RGN_OR)) { + CANVAS_ERROR("CombineRgn failed in put_image"); + return; + } + DeleteObject(combaine_hrgn); + } + if (SelectClipRgn(canvas->dc, main_hrgn) == ERROR) { + CANVAS_ERROR("SelectClipRgn failed in put_image"); + DeleteObject(main_hrgn); + return; + } + DeleteObject(main_hrgn); + } + } else { + SelectClipRgn(canvas->dc, NULL); + } + + if (dc) { + gdi_draw_bitmap_redrop(canvas->dc, &src, dest, dc, + NULL, ROPD_OP_PUT, 0); + } else { + gdi_draw_image(canvas->dc, &src, dest, src_data, + src_stride, src_width, src_height, NULL, ROPD_OP_PUT, 0); + } +} + +static void gdi_draw_bitmap_transparent(GdiCanvas *canvas, HDC dest_dc, const Rect *src, + const Rect *dest, HDC src_dc, uint32_t color) +{ + TransparentBlt(dest_dc, dest->left, dest->top, dest->right - dest->left, + dest->bottom - dest->top, src_dc, src->left, src->top, + src->right - src->left, src->bottom - src->top, + RGB(((uint8_t*)&color)[2], ((uint8_t*)&color)[1], ((uint8_t*)&color)[0])); +} + +static void gdi_draw_image_transparent(GdiCanvas *canvas, HDC dest_dc, const Rect *src, + const Rect *dest, const uint8_t *bitmap_data, + int bit_stride, int bit_width, int bit_height, + uint32_t color, int rotate) +{ + HDC dc; + HBITMAP bitmap; + HBITMAP prev_bitmap; + + create_bitmap(&bitmap, &prev_bitmap, &dc, bitmap_data, bit_width, bit_height, + bit_stride, 32, rotate); + + gdi_draw_bitmap_transparent(canvas, dest_dc, src, dest, dc, color); + + release_bitmap(dc, bitmap, prev_bitmap, 0); +} + +void gdi_canvas_draw_transparent(GdiCanvas *canvas, Rect *bbox, Clip *clip, + Transparent* transparent) +{ + cairo_surface_t *surface; + GdiImage image; + BitmapCache *bitmap_cache; + + surface = canvas_get_image(&canvas->base, transparent->src_bitmap); + bitmap_cache = (BitmapCache *)cairo_surface_get_user_data(surface, &bitmap_data_type); + Lock lock(*canvas->lock); + set_clip(canvas, clip); + if (bitmap_cache && (WaitForSingleObject(bitmap_cache->mutex, INFINITE) != WAIT_FAILED)) { + HDC dc; + HBITMAP prev_bitmap; + + dc = create_compatible_dc(); + prev_bitmap = (HBITMAP)SelectObject(dc, bitmap_cache->bitmap); + gdi_draw_bitmap_transparent(canvas, canvas->dc, &transparent->src_area, bbox, dc, + transparent->true_color); + + SelectObject(dc, prev_bitmap); + DeleteObject(dc); + ReleaseMutex(bitmap_cache->mutex); + } else { + surface_to_image(surface, &image); + gdi_draw_image_transparent(canvas, canvas->dc, &transparent->src_area, bbox, image.pixels, + image.stride, image.width, image.height, + transparent->true_color, 0); + } + + cairo_surface_destroy(surface); +} + +static void gdi_draw_bitmap_alpha(HDC dest_dc, const Rect *src, const Rect *dest, + HDC src_dc, uint8_t alpha) +{ + BLENDFUNCTION bf; + + bf.BlendOp = AC_SRC_OVER; + bf.BlendFlags = 0; + bf.SourceConstantAlpha = alpha; + bf.AlphaFormat = AC_SRC_ALPHA; + + if (!AlphaBlend(dest_dc, dest->left, dest->top, dest->right - dest->left, + dest->bottom - dest->top, src_dc, src->left, src->top, + src->right - src->left, src->bottom - src->top, bf)) { + CANVAS_ERROR("AlphaBlend failed"); + } +} + +static void gdi_draw_image_alpha(HDC dest_dc, const Rect *src, const Rect *dest, + const uint8_t *bitmap_data, int bit_stride, + int bit_width, int bit_height, uint8_t alpha, + int rotate) +{ + HDC dc; + HBITMAP bitmap; + HBITMAP prev_bitmap; + + create_bitmap(&bitmap, &prev_bitmap, &dc, bitmap_data, bit_width, bit_height, + bit_stride, 32, rotate); + + gdi_draw_bitmap_alpha(dest_dc, src, dest, dc, alpha); + + release_bitmap(dc, bitmap, prev_bitmap, 0); +} + +void gdi_canvas_draw_alpha_blend(GdiCanvas *canvas, Rect *bbox, Clip *clip, AlphaBlnd* alpha_blend) +{ + cairo_surface_t *surface; + GdiImage image; + BitmapCache *bitmap_cache; + + surface = canvas_get_image(&canvas->base, alpha_blend->src_bitmap); + bitmap_cache = (BitmapCache *)cairo_surface_get_user_data(surface, &bitmap_data_type); + + Lock lock(*canvas->lock); + set_clip(canvas, clip); + if (bitmap_cache && (WaitForSingleObject(bitmap_cache->mutex, INFINITE) != WAIT_FAILED)) { + HDC dc; + HBITMAP prev_bitmap; + + dc = create_compatible_dc(); + prev_bitmap = (HBITMAP)SelectObject(dc, bitmap_cache->bitmap); + gdi_draw_bitmap_alpha(canvas->dc, &alpha_blend->src_area, bbox, dc, alpha_blend->alpha); + SelectObject(dc, prev_bitmap); + DeleteObject(dc); + ReleaseMutex(bitmap_cache->mutex); + } else { + surface_to_image(surface, &image); + gdi_draw_image_alpha(canvas->dc, &alpha_blend->src_area, bbox, image.pixels, + image.stride, image.width, image.height, + alpha_blend->alpha, 0); + } + + cairo_surface_destroy(surface); +} + +void gdi_canvas_draw_opaque(GdiCanvas *canvas, Rect *bbox, Clip *clip, Opaque *opaque) +{ + cairo_surface_t *surface; + GdiImage image; + struct BitmapData bitmapmask; + BitmapCache *bitmap_cache; + HBRUSH prev_hbrush; + HBRUSH hbrush; + uint8_t rop3; + + surface = canvas_get_image(&canvas->base, opaque->src_bitmap); + bitmap_cache = (BitmapCache *)cairo_surface_get_user_data(surface, &bitmap_data_type); + bitmapmask = get_mask_bitmap(canvas, &opaque->mask); + rop3 = calc_rop3_src_brush(opaque->rop_decriptor); + hbrush = get_brush(canvas, &opaque->brush); + + + Lock lock(*canvas->lock); + set_scale_mode(canvas, opaque->scale_mode); + set_clip(canvas, clip); + prev_hbrush = set_brush(canvas->dc, hbrush, &opaque->brush); + + if (bitmap_cache && (WaitForSingleObject(bitmap_cache->mutex, INFINITE) != WAIT_FAILED)) { + HDC dc; + HBITMAP prev_bitmap; + + dc = create_compatible_dc(); + prev_bitmap = (HBITMAP)SelectObject(dc, bitmap_cache->bitmap); + gdi_draw_bitmap(canvas->dc, &opaque->src_area, bbox, dc, &bitmapmask, rop3); + SelectObject(dc, prev_bitmap); + DeleteObject(dc); + ReleaseMutex(bitmap_cache->mutex); + } else { + surface_to_image(surface, &image); + gdi_draw_image_rop3(canvas->dc, &opaque->src_area, bbox, image.pixels, + image.stride, image.width, image.height, &bitmapmask, rop3, 0); + } + + unset_brush(canvas->dc, prev_hbrush); + + free_mask(&bitmapmask); + + cairo_surface_destroy(surface); +} + +void gdi_canvas_draw_blend(GdiCanvas *canvas, Rect *bbox, Clip *clip, Blend *blend) +{ + cairo_surface_t *surface; + GdiImage image; + struct BitmapData bitmapmask; + BitmapCache *bitmap_cache; + + bitmapmask = get_mask_bitmap(canvas, &blend->mask); + surface = canvas_get_image(&canvas->base, blend->src_bitmap); + bitmap_cache = (BitmapCache *)cairo_surface_get_user_data(surface, &bitmap_data_type); + + Lock lock(*canvas->lock); + set_scale_mode(canvas, blend->scale_mode); + set_clip(canvas, clip); + + if (bitmap_cache && (WaitForSingleObject(bitmap_cache->mutex, INFINITE) != WAIT_FAILED)) { + HDC dc; + HBITMAP prev_bitmap; + + dc = create_compatible_dc(); + prev_bitmap = (HBITMAP)SelectObject(dc, bitmap_cache->bitmap); + gdi_draw_bitmap_redrop(canvas->dc, &blend->src_area, bbox, dc, + &bitmapmask, blend->rop_decriptor, 0); + SelectObject(dc, prev_bitmap); + DeleteObject(dc); + ReleaseMutex(bitmap_cache->mutex); + } else { + surface_to_image(surface, &image); + gdi_draw_image(canvas->dc, &blend->src_area, bbox, image.pixels, image.stride, image.width, + image.height, &bitmapmask, blend->rop_decriptor, 0); + } + + free_mask(&bitmapmask); + + cairo_surface_destroy(surface); +} + +void gdi_canvas_draw_blackness(GdiCanvas *canvas, Rect *bbox, Clip *clip, Blackness *blackness) +{ + struct BitmapData bitmapmask; + + bitmapmask = get_mask_bitmap(canvas, &blackness->mask); + + Lock lock(*canvas->lock); + set_clip(canvas, clip); + gdi_draw_bitmap(canvas->dc, bbox, bbox, canvas->dc, &bitmapmask, 0x0); + + free_mask(&bitmapmask); +} + +void gdi_canvas_draw_invers(GdiCanvas *canvas, Rect *bbox, Clip *clip, Invers *invers) +{ + struct BitmapData bitmapmask; + + bitmapmask = get_mask_bitmap(canvas, &invers->mask); + + Lock lock(*canvas->lock); + set_clip(canvas, clip); + gdi_draw_bitmap(canvas->dc, bbox, bbox, canvas->dc, &bitmapmask, 0x55); + + free_mask(&bitmapmask); +} + +void gdi_canvas_draw_whiteness(GdiCanvas *canvas, Rect *bbox, Clip *clip, Whiteness *whiteness) +{ + struct BitmapData bitmapmask; + + bitmapmask = get_mask_bitmap(canvas, &whiteness->mask); + + Lock lock(*canvas->lock); + set_clip(canvas, clip); + gdi_draw_bitmap(canvas->dc, bbox, bbox, canvas->dc, &bitmapmask, 0xff); + + free_mask(&bitmapmask); +} + +void gdi_canvas_draw_rop3(GdiCanvas *canvas, Rect *bbox, Clip *clip, Rop3 *rop3) +{ + cairo_surface_t *surface; + GdiImage image; + struct BitmapData bitmapmask; + HBRUSH prev_hbrush; + HBRUSH hbrush; + BitmapCache *bitmap_cache; + + hbrush = get_brush(canvas, &rop3->brush); + surface = canvas_get_image(&canvas->base, rop3->src_bitmap); + bitmap_cache = (BitmapCache *)cairo_surface_get_user_data(surface, &bitmap_data_type); + bitmapmask = get_mask_bitmap(canvas, &rop3->mask); + + Lock lock(*canvas->lock); + set_scale_mode(canvas, rop3->scale_mode); + set_clip(canvas, clip); + prev_hbrush = set_brush(canvas->dc, hbrush, &rop3->brush); + + if (bitmap_cache && (WaitForSingleObject(bitmap_cache->mutex, INFINITE) != WAIT_FAILED)) { + HDC dc; + HBITMAP prev_bitmap; + + dc = create_compatible_dc(); + prev_bitmap = (HBITMAP)SelectObject(dc, bitmap_cache->bitmap); + gdi_draw_bitmap(canvas->dc, &rop3->src_area, bbox, dc, + &bitmapmask, rop3->rop3); + SelectObject(dc, prev_bitmap); + DeleteObject(dc); + ReleaseMutex(bitmap_cache->mutex); + } else { + surface_to_image(surface, &image); + gdi_draw_image_rop3(canvas->dc, &rop3->src_area, bbox, image.pixels, + image.stride, image.width, image.height, &bitmapmask, rop3->rop3, 0); + } + + unset_brush(canvas->dc, prev_hbrush); + free_mask(&bitmapmask); + + cairo_surface_destroy(surface); +} + +void gdi_canvas_copy_bits(GdiCanvas *canvas, Rect *bbox, Clip *clip, Point *src_pos) +{ + Lock lock(*canvas->lock); + + set_clip(canvas, clip); + + BitBlt(canvas->dc, bbox->left, bbox->top, bbox->right - bbox->left, + bbox->bottom - bbox->top, canvas->dc, src_pos->x, src_pos->y, SRCCOPY); +} + +void gdi_canvas_draw_text(GdiCanvas *canvas, Rect *bbox, Clip *clip, Text *text) +{ + String *str; + + Lock lock(*canvas->lock); + set_clip(canvas, clip); + lock.unlock(); + + if (!rect_is_empty(&text->back_area)) { + HBRUSH prev_hbrush; + HBRUSH hbrush; + + hbrush = get_brush(canvas, &text->back_brush); + Lock lock(*canvas->lock); + prev_hbrush = set_brush(canvas->dc, hbrush, &text->back_brush); + gdi_draw_bitmap_redrop(canvas->dc, bbox, bbox, canvas->dc, NULL, + text->back_mode, 1); + unset_brush(canvas->dc, prev_hbrush); + } + + str = (String *)GET_ADDRESS(text->str); + + if (str->flags & STRING_RASTER_A1) { + Rect dest; + Rect src; + + draw_str_mask_bitmap(canvas, str, 1, &dest, &src, &text->fore_brush); + } else if (str->flags & STRING_RASTER_A4) { + Rect dest; + Rect src; + + draw_str_mask_bitmap(canvas, str, 4, &dest, &src, &text->fore_brush); + } else if (str->flags & STRING_RASTER_A8) { + WARN("untested path A8 glyphs, doing nothing"); + if (0) { + Rect dest; + Rect src; + + draw_str_mask_bitmap(canvas, str, 8, &dest, &src, &text->fore_brush); + } + } else { + WARN("untested path vector glyphs, doing nothing"); + if (0) { + } + } +} + +static int get_join_style(uint8_t join_style) +{ + switch (join_style) { + case LINE_JOIN_ROUND: + return PS_JOIN_ROUND; + case LINE_JOIN_BEVEL: + return PS_JOIN_BEVEL; + case LINE_JOIN_MITER: + return PS_JOIN_MITER; + default: + CANVAS_ERROR("bad join style %d", join_style); + } +} + +static int get_cap(int end_style) +{ + switch (end_style) { + case LINE_CAP_ROUND: + return PS_ENDCAP_ROUND; + case LINE_CAP_SQUARE: + return PS_ENDCAP_SQUARE; + case LINE_CAP_BUTT: + return PS_ENDCAP_FLAT; + default: + CANVAS_ERROR("bad end style %d", end_style); + } +} + +static uint32_t *gdi_get_userstyle(GdiCanvas *canvas, UINT8 nseg, ADDRESS addr, int start_is_gap) +{ + FIXED28_4* style = (FIXED28_4*)GET_ADDRESS(addr); + double offset = 0; + uint32_t *local_style; + int i; + + access_test(&canvas->base, style, nseg * sizeof(*style)); + + if (nseg == 0) { + CANVAS_ERROR("bad nseg"); + } + local_style = (uint32_t *)malloc(nseg * sizeof(*local_style)); + + if (start_is_gap) { + offset = (uint32_t)fix_to_double(*style); + local_style[nseg - 1] = (uint32_t)fix_to_double(*style); + style++; + + for (i = 0; i < nseg - 1; i++, style++) { + local_style[i] = (uint32_t)fix_to_double(*style); + } + } else { + for (i = 0; i < nseg; i++, style++) { + local_style[i] = (uint32_t)fix_to_double(*style); + } + } + + return local_style; +} + +void gdi_canvas_draw_stroke(GdiCanvas *canvas, Rect *bbox, Clip *clip, Stroke *stroke) +{ + HPEN hpen; + HPEN prev_hpen; + LOGBRUSH logbrush; + int ps_join = 0; + int line_cap = 0; + uint32_t *user_style = NULL; + cairo_surface_t *surface = NULL; + + if (stroke->brush.type == BRUSH_TYPE_PATTERN) { + surface = canvas_get_image(&canvas->base, stroke->brush.u.pattern.pat); + } + + Lock lock(*canvas->lock); + set_clip(canvas, clip); + + switch (stroke->fore_mode) { + case ROPD_OP_WHITENESS: + SetROP2(canvas->dc, R2_WHITE); //0 + break; + case ROPD_OP_BLACKNESS: + SetROP2(canvas->dc, R2_BLACK); //1 + break; + case ROPD_OP_INVERS: + SetROP2(canvas->dc, R2_NOT); //Dn + break; + case ROPD_OP_PUT: + SetROP2(canvas->dc, R2_COPYPEN); //P + break; + case ROPD_OP_OR: + SetROP2(canvas->dc, R2_MERGEPEN); //DPo + break; + case ROPD_OP_XOR: + SetROP2(canvas->dc, R2_XORPEN); //DPx + break; + case ROPD_OP_AND: + SetROP2(canvas->dc, R2_MASKPEN); //DPa + break; + case ROPD_INVERS_BRUSH | ROPD_OP_PUT: //Pn + SetROP2(canvas->dc, R2_NOTCOPYPEN); + break; + case ROPD_OP_XOR | ROPD_INVERS_RES: + SetROP2(canvas->dc, R2_NOTXORPEN); //DPxn + break; + case ROPD_OP_OR | ROPD_INVERS_RES: + SetROP2(canvas->dc, R2_NOTMERGEPEN); //DPon + break; + case ROPD_OP_AND | ROPD_INVERS_RES: + SetROP2(canvas->dc, R2_NOTMASKPEN); //DPan + break; + case ROPD_INVERS_DEST | ROPD_OP_AND: + SetROP2(canvas->dc, R2_MASKPENNOT); //PDna + break; + case ROPD_INVERS_BRUSH | ROPD_OP_AND: + SetROP2(canvas->dc, R2_MASKNOTPEN); //DPna + break; + case ROPD_OP_OR | ROPD_INVERS_BRUSH: + SetROP2(canvas->dc, R2_MERGENOTPEN); //DPno + break; + case ROPD_OP_OR | ROPD_INVERS_DEST: + SetROP2(canvas->dc, R2_MERGEPENNOT); //PDno + break; + default: + SetROP2(canvas->dc, R2_NOP); //D + } + + + if (stroke->brush.type == BRUSH_TYPE_SOLID) { + logbrush.lbStyle = BS_SOLID | DIB_RGB_COLORS; + logbrush.lbHatch = 0; + logbrush.lbColor = get_color_ref(canvas, stroke->brush.u.color); + } else if (stroke->brush.type == BRUSH_TYPE_PATTERN) { +#if 0 + struct { + BITMAPINFO inf; + RGBQUAD palette[255]; + } bitmap_info; + GdiImage image; +#endif + //CANVAS_ERROR("untested path stroke brush with pattern"); +#if 0 + ASSERT(surface) + surface_to_image(surface, &image); + + memset(&bitmap_info, 0, sizeof(bitmap_info)); + bitmap_info.inf.bmiHeader.biSize = sizeof(bitmap_info.inf.bmiHeader); + bitmap_info.inf.bmiHeader.biWidth = image.width; + if (image.stride < 0) { + bitmap_info.inf.bmiHeader.biHeight = image.height; + } else { + bitmap_info.inf.bmiHeader.biHeight = -image.height; + } + bitmap_info.inf.bmiHeader.biPlanes = 1; + bitmap_info.inf.bmiHeader.biBitCount = 32; + bitmap_info.inf.bmiHeader.biCompression = BI_RGB; + + if (image.stride < 0) { + logbrush.lbHatch = (LONG)GlobalAlloc(GMEM_MOVEABLE, + image.height * -image.stride + sizeof(BITMAPINFO)); + if (!logbrush.lbHatch) { + CANVAS_ERROR("GlobalAlloc failed"); + } + copy_bitmap(image.pixels - (image.height - 1) * -image.stride, + image.height, -image.stride, + (uint8_t *)logbrush.lbHatch, image.width); + } else { + logbrush.lbHatch = (LONG)GlobalAlloc(GMEM_MOVEABLE, + image.height * image.stride + sizeof(BITMAPINFO)); + if (!logbrush.lbHatch) { + CANVAS_ERROR("GlobalAlloc failed"); + } + copy_bitmap(image.pixels, image.height, image.stride, + (uint8_t *)logbrush.lbHatch, image.width); + } + + memcpy((void *)logbrush.lbHatch, &bitmap_info.inf, sizeof(BITMAPINFO)); + + logbrush.lbStyle = BS_DIBPATTERN | DIB_RGB_COLORS; + logbrush.lbColor = 0; +#endif + cairo_surface_destroy(surface); + } + +#if 0 + ps_join = get_join_style(stroke->attr.join_style); + line_cap = get_cap(stroke->attr.end_style); + + SetMiterLimit(canvas->dc, (FLOAT)fix_to_double(stroke->attr.miter_limit), &old_miter); +#endif + + if (stroke->attr.flags & LINE_ATTR_STYLED) { + user_style = gdi_get_userstyle(canvas, stroke->attr.style_nseg, + stroke->attr.style, + !!(stroke->attr.flags & LINE_ATTR_STARTGAP)); + hpen = ExtCreatePen(PS_GEOMETRIC | ps_join | line_cap | PS_USERSTYLE, + (uint32_t)fix_to_double(stroke->attr.width), + &logbrush, stroke->attr.style_nseg, (DWORD *)user_style); + } else { + hpen = ExtCreatePen(PS_GEOMETRIC | ps_join | line_cap, + (uint32_t)fix_to_double(stroke->attr.width), + &logbrush, 0, NULL); + } + prev_hpen = (HPEN)SelectObject(canvas->dc, hpen); + + set_path(canvas, GET_ADDRESS(stroke->path)); + + StrokePath(canvas->dc); + + SelectObject(canvas->dc, prev_hpen); + DeleteObject(hpen); + +#if 0 + if (stroke->brush.type == BRUSH_TYPE_PATTERN) { + GlobalFree((HGLOBAL)logbrush.lbHatch); + } +#endif + + if (user_style) { + free(user_style); + } +} + +void gdi_canvas_clear(GdiCanvas *canvas) +{ +} + +#ifdef CAIRO_CANVAS_ACCESS_TEST +void gdi_canvas_set_access_params(GdiCanvas *canvas, ADDRESS delta, unsigned long base, + unsigned long max) +{ + __canvas_set_access_params(&canvas->base, delta, base, max); +} + +#else +void gdi_canvas_set_access_params(GdiCanvas *canvas, ADDRESS delta) +{ + __gdi_canvas_set_access_params(&canvas->base, delta); +} + +#endif + +void gdi_canvas_destroy(GdiCanvas *canvas) +{ + if (!canvas) { + return; + } + canvas_base_destroy(&canvas->base); + free(canvas); +} + +static int need_init = 1; + +#ifdef CAIRO_CANVAS_CACHE +GdiCanvas *gdi_canvas_create(HDC dc, Mutex* lock, int bits, void *bits_cache_opaque, + bits_cache_put_fn_t bits_cache_put, bits_cache_get_fn_t bits_cache_get, + void *palette_cache_opaque, palette_cache_put_fn_t palette_cache_put, + palette_cache_get_fn_t palette_cache_get, + palette_cache_release_fn_t palette_cache_release +#elif defined(CAIRO_CANVAS_IMAGE_CACHE) +GdiCanvas *gdi_canvas_create(HDC dc, int bits, + void *bits_cache_opaque, + bits_cache_put_fn_t bits_cache_put, bits_cache_get_fn_t bits_cache_get +#else +GdiCanvas *gdi_canvas_create(HDC dc, int bits +#endif +#ifdef USE_GLZ + , void *glz_decoder_opaque, glz_decode_fn_t glz_decode +#endif + ) +{ + GdiCanvas *canvas; + int init_ok; + + if (need_init || !(canvas = (GdiCanvas *)malloc(sizeof(GdiCanvas)))) { + return NULL; + } + memset(canvas, 0, sizeof(GdiCanvas)); +#ifdef CAIRO_CANVAS_CACHE + init_ok = canvas_base_init(&canvas->base, bits, + bits_cache_opaque, + bits_cache_put, + bits_cache_get, + palette_cache_opaque, + palette_cache_put, + palette_cache_get, + palette_cache_release +#elif defined(CAIRO_CANVAS_IMAGE_CACHE) + init_ok = gdi_canvas_base_init(&canvas->base, bits, + bits_cache_opaque, + bits_cache_put, + bits_cache_get +#else + init_ok = gdi_canvas_base_init(&canvas->base, bits +#endif +#ifdef USE_GLZ + , + glz_decoder_opaque, + glz_decode +#endif + ); + canvas->dc = dc; + canvas->lock = lock; + return canvas; +} + +void gdi_canvas_init() //unsafe global function +{ + if (!need_init) { + return; + } + need_init = 0; + rop3_init(); +} + |