summaryrefslogtreecommitdiff
path: root/common/gdi_canvas.c
diff options
context:
space:
mode:
Diffstat (limited to 'common/gdi_canvas.c')
-rw-r--r--common/gdi_canvas.c1858
1 files changed, 1858 insertions, 0 deletions
diff --git a/common/gdi_canvas.c b/common/gdi_canvas.c
new file mode 100644
index 0000000..eda1529
--- /dev/null
+++ b/common/gdi_canvas.c
@@ -0,0 +1,1858 @@
+/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/*
+ Copyright (C) 2009 Red Hat, Inc.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; 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"
+
+typedef struct GdiCanvas GdiCanvas;
+
+struct GdiCanvas {
+ CanvasBase base;
+ HDC dc;
+ RecurciveMutex* lock;
+};
+
+
+struct BitmapData {
+ HBITMAP hbitmap;
+ HBITMAP prev_hbitmap;
+ SpicePoint pos;
+ uint8_t flags;
+ HDC dc;
+ int cache;
+ int from_surface;
+};
+
+#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 void set_path(GdiCanvas *canvas, SpicePath *s)
+{
+ unsigned int i;
+
+ for (i = 0; i < s->num_segments; i++) {
+ SpicePathSeg* seg = s->segments[0];
+ SpicePointFix* point = seg->points;
+ SpicePointFix* end_point = point + seg->count;
+
+ if (seg->flags & SPICE_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 (seg->flags & SPICE_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 (seg->flags & SPICE_PATH_END) {
+
+ if (seg->flags & SPICE_PATH_CLOSE) {
+ if (!CloseFigure(canvas->dc)) {
+ CANVAS_ERROR("CloseFigure failed");
+ }
+ }
+
+ if (!EndPath(canvas->dc)) {
+ CANVAS_ERROR("EndPath failed");
+ }
+ }
+
+ }
+}
+
+static void set_scale_mode(GdiCanvas *canvas, uint8_t scale_mode)
+{
+ if (scale_mode == SPICE_IMAGE_SCALE_MODE_INTERPOLATE) {
+ SetStretchBltMode(canvas->dc, HALFTONE);
+ } else if (scale_mode == SPICE_IMAGE_SCALE_MODE_NEAREST) {
+ SetStretchBltMode(canvas->dc, COLORONCOLOR);
+ } else {
+ CANVAS_ERROR("Unknown ScaleMode");
+ }
+}
+
+static void set_clip(GdiCanvas *canvas, SpiceClip *clip)
+{
+ switch (clip->type) {
+ case SPICE_CLIP_TYPE_NONE:
+ if (SelectClipRgn(canvas->dc, NULL) == ERROR) {
+ CANVAS_ERROR("SelectClipRgn failed");
+ }
+ break;
+ case SPICE_CLIP_TYPE_RECTS: {
+ uint32_t n = clip->rects->num_rects;
+
+ SpiceRect *now = clip->rects->rects;
+ SpiceRect *end = now + n;
+
+ 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;
+ }
+ 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 = SPICE_ALIGN(width, 32) / 8;
+ break;
+ case 8:
+ nstride = SPICE_ALIGN(width, 4);
+ break;
+ case 16:
+ nstride = SPICE_ALIGN(width * 2, 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 uint8_t *create_bitmap_from_pixman(HBITMAP *bitmap, HBITMAP *prev_bitmap, HDC *dc,
+ pixman_image_t *surface, int rotate)
+{
+ return create_bitmap(bitmap, prev_bitmap, dc,
+ (uint8_t*)pixman_image_get_data(surface),
+ pixman_image_get_width(surface),
+ pixman_image_get_height(surface),
+ pixman_image_get_stride(surface),
+ spice_pixman_image_get_bpp(surface),
+ rotate);
+}
+
+
+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, SpiceBrush *brush, RecurciveMutex **brush_lock)
+{
+ HBRUSH hbrush;
+
+ *brush_lock = NULL;
+
+ switch (brush->type) {
+ case SPICE_BRUSH_TYPE_SOLID:
+ if (!(hbrush = CreateSolidBrush(get_color_ref(canvas, brush->u.color)))) {
+ CANVAS_ERROR("CreateSolidBrush failed");
+ }
+ return hbrush;
+ case SPICE_BRUSH_TYPE_PATTERN: {
+ GdiCanvas *gdi_surface = NULL;
+ HBRUSH hbrush;
+ pixman_image_t *surface;
+ HDC dc;
+ HBITMAP bitmap;
+ HBITMAP prev_bitmap;
+
+ gdi_surface = (GdiCanvas *)canvas_get_surface(&canvas->base, brush->u.pattern.pat);
+ if (gdi_surface) {
+ bitmap = (HBITMAP)GetCurrentObject(gdi_surface->dc, OBJ_BITMAP);
+ if (!bitmap) {
+ CANVAS_ERROR("GetCurrentObject failed");
+ }
+ *brush_lock = gdi_surface->lock;
+ } else {
+ surface = canvas_get_image(&canvas->base, brush->u.pattern.pat, FALSE);
+ if (!create_bitmap_from_pixman(&bitmap, &prev_bitmap, &dc, surface, 0)) {
+ CANVAS_ERROR("create_bitmap failed");
+ return NULL;
+ }
+ }
+
+ if (!(hbrush = CreatePatternBrush(bitmap))) {
+ CANVAS_ERROR("CreatePatternBrush failed");
+ }
+
+ if (!gdi_surface) {
+ release_bitmap(dc, bitmap, prev_bitmap, 0);
+ pixman_image_unref(surface);
+ }
+ return hbrush;
+ }
+ case SPICE_BRUSH_TYPE_NONE:
+ return NULL;
+ default:
+ CANVAS_ERROR("invalid brush type");
+ return NULL;
+ }
+}
+
+static HBRUSH set_brush(HDC dc, HBRUSH hbrush, SpiceBrush *brush)
+{
+ switch (brush->type) {
+ case SPICE_BRUSH_TYPE_SOLID: {
+ return (HBRUSH)SelectObject(dc, hbrush);
+ }
+ case SPICE_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 & SPICE_ROPD_INVERS_SRC) {
+ rop3_src = ~rop3_src;
+ }
+ if (rop3_bits & SPICE_ROPD_INVERS_BRUSH) {
+ rop3_brush = ~rop3_brush;
+ }
+ if (rop3_bits & SPICE_ROPD_INVERS_DEST) {
+ rop3_dest = ~rop3_dest;
+ }
+
+ if (brush) {
+ rop3_src_brush = rop3_brush;
+ } else {
+ rop3_src_brush = rop3_src;
+ }
+
+ if (rop3_bits & SPICE_ROPD_OP_PUT) {
+ rop3 = rop3_src_brush;
+ }
+ if (rop3_bits & SPICE_ROPD_OP_OR) {
+ rop3 = rop3_src_brush | rop3_dest;
+ }
+ if (rop3_bits & SPICE_ROPD_OP_AND) {
+ rop3 = rop3_src_brush & rop3_dest;
+ }
+ if (rop3_bits & SPICE_ROPD_OP_XOR) {
+ rop3 = rop3_src_brush ^ rop3_dest;
+ }
+ if (rop3_bits & SPICE_ROPD_INVERS_RES) {
+ rop3 = ~rop3_dest;
+ }
+
+ if (rop3_bits & SPICE_ROPD_OP_BLACKNESS || rop3_bits & SPICE_ROPD_OP_WHITENESS ||
+ rop3_bits & SPICE_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 & SPICE_ROPD_INVERS_SRC) {
+ rop3_src = ~rop3_src;
+ }
+ if (rop3_bits & SPICE_ROPD_INVERS_BRUSH) {
+ rop3_brush = ~rop3_brush;
+ }
+
+ if (rop3_bits & SPICE_ROPD_OP_OR) {
+ rop3 = rop3_src | rop3_brush;
+ }
+ if (rop3_bits & SPICE_ROPD_OP_AND) {
+ rop3 = rop3_src & rop3_brush;
+ }
+ if (rop3_bits & SPICE_ROPD_OP_XOR) {
+ rop3 = rop3_src ^ rop3_brush;
+ }
+
+ return rop3;
+}
+
+static struct BitmapData get_mask_bitmap(struct GdiCanvas *canvas, struct SpiceQMask *mask)
+{
+ GdiCanvas *gdi_surface;
+ pixman_image_t *surface;
+ struct BitmapData bitmap;
+ PixmanData *pixman_data;
+
+ bitmap.hbitmap = NULL;
+ if (!mask->bitmap) {
+ return bitmap;
+ }
+
+ gdi_surface = (GdiCanvas *)canvas_get_surface_mask(&canvas->base, mask->bitmap);
+ if (gdi_surface) {
+ HBITMAP _bitmap;
+
+ _bitmap = (HBITMAP)GetCurrentObject(gdi_surface->dc, OBJ_BITMAP);
+ if (!_bitmap) {
+ CANVAS_ERROR ("GetCurrentObject failed");
+ }
+ bitmap.dc = gdi_surface->dc;
+ bitmap.hbitmap = _bitmap;
+ bitmap.prev_hbitmap = (HBITMAP)0;
+ bitmap.cache = 0;
+ bitmap.from_surface = 1;
+ } else {
+
+ if (!(surface = canvas_get_mask(&canvas->base, mask, NULL))) {
+ return bitmap;
+ }
+
+ pixman_data = (PixmanData *)pixman_image_get_destroy_data (surface);
+ if (pixman_data && (WaitForSingleObject(pixman_data->mutex, INFINITE) != WAIT_FAILED)) {
+ bitmap.dc = create_compatible_dc();
+ bitmap.prev_hbitmap = (HBITMAP)SelectObject(bitmap.dc, pixman_data->bitmap);
+ bitmap.hbitmap = pixman_data->bitmap;
+ ReleaseMutex(pixman_data->mutex);
+ bitmap.cache = 1;
+ } else if (!create_bitmap_from_pixman(&bitmap.hbitmap, &bitmap.prev_hbitmap, &bitmap.dc,
+ surface, 0)) {
+ bitmap.hbitmap = NULL;
+ } else {
+ bitmap.cache = 0;
+ }
+
+ bitmap.from_surface = 0;
+ }
+
+ bitmap.flags = mask->flags;
+ bitmap.pos = mask->pos;
+
+ return bitmap;
+}
+
+static void gdi_draw_bitmap(HDC dest_dc, const SpiceRect *src, const SpiceRect *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 SpiceRect *src, const SpiceRect *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) {
+ if (!bitmap->from_surface) {
+ release_bitmap(bitmap->dc, bitmap->hbitmap, bitmap->prev_hbitmap, bitmap->cache);
+ }
+ }
+}
+
+static void draw_str_mask_bitmap(struct GdiCanvas *canvas,
+ SpiceString *str, int n, SpiceRect *dest,
+ SpiceRect *src, SpiceBrush *brush)
+{
+ pixman_image_t *surface;
+ struct BitmapData bitmap;
+ SpicePoint pos;
+ int dest_stride;
+ uint8_t *bitmap_data;
+ HBRUSH prev_hbrush;
+ HBRUSH hbrush;
+ RecurciveMutex *brush_lock;
+
+ 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.from_surface = 0;
+ bitmap.cache = 0;
+ bitmap_data = create_bitmap(&bitmap.hbitmap, &bitmap.prev_hbitmap,
+ &bitmap.dc, NULL,
+ pixman_image_get_width(surface),
+ pixman_image_get_height(surface),
+ pixman_image_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 + pixman_image_get_width(surface);
+ dest->bottom = pos.y + pixman_image_get_height(surface);
+ src->left = 0;
+ src->top = 0;
+ src->right = pixman_image_get_width(surface);
+ src->bottom = pixman_image_get_height(surface);
+
+ dest_stride = pixman_image_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, &brush_lock);
+ prev_hbrush = set_brush(bitmap.dc, hbrush, brush);
+ if (brush_lock) {
+ RecurciveLock b_lock(*brush_lock);
+ gdi_draw_bitmap(bitmap.dc, src, src, bitmap.dc, NULL, _rop3_brush);
+ } else {
+ gdi_draw_bitmap(bitmap.dc, src, src, bitmap.dc, NULL, _rop3_brush);
+ }
+
+ unset_brush(bitmap.dc, prev_hbrush);
+
+ copy_bitmap_alpha((uint8_t *)pixman_image_get_data(surface),
+ pixman_image_get_height(surface),
+ pixman_image_get_width(surface),
+ pixman_image_get_stride(surface),
+ bitmap_data, dest_stride, n);
+
+ BLENDFUNCTION bf = {AC_SRC_OVER, 0, 255, AC_SRC_ALPHA};
+
+ RecurciveLock 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 SpiceRect *src, const SpiceRect *dest,
+ pixman_image_t *image, struct BitmapData *bitmapmask, uint16_t rop,
+ int rotate)
+{
+ HDC dc;
+ HBITMAP bitmap;
+ HBITMAP prev_bitmap;
+
+ create_bitmap_from_pixman(&bitmap, &prev_bitmap, &dc, image, 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 SpiceRect *src, const SpiceRect *dest,
+ pixman_image_t *image, struct BitmapData *bitmapmask, uint8_t rop3,
+ int rotate)
+{
+ HDC dc;
+ HBITMAP bitmap;
+ HBITMAP prev_bitmap;
+
+ create_bitmap_from_pixman(&bitmap, &prev_bitmap, &dc, image, rotate);
+
+ gdi_draw_bitmap(dest_dc, src, dest, dc, bitmapmask, rop3);
+
+ release_bitmap(dc, bitmap, prev_bitmap, 0);
+}
+
+static void gdi_canvas_draw_fill(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip, SpiceFill *fill)
+{
+ GdiCanvas *canvas = (GdiCanvas *)spice_canvas;
+ HBRUSH prev_hbrush;
+ HBRUSH brush;
+ struct BitmapData bitmapmask;
+ RecurciveMutex *brush_lock;
+
+ RecurciveLock lock(*canvas->lock);
+
+ if (!(brush = get_brush(canvas, &fill->brush, &brush_lock))) {
+ CANVAS_ERROR("no braash");
+ return;
+ }
+
+ bitmapmask = get_mask_bitmap(canvas, &fill->mask);
+
+ set_clip(canvas, clip);
+ prev_hbrush = set_brush(canvas->dc, brush, &fill->brush);
+ if (brush_lock) {
+ RecurciveLock b_lock(*brush_lock);
+ gdi_draw_bitmap_redrop(canvas->dc, bbox, bbox, canvas->dc, &bitmapmask,
+ fill->rop_descriptor, fill->brush.type != SPICE_BRUSH_TYPE_NONE);
+ } else {
+ gdi_draw_bitmap_redrop(canvas->dc, bbox, bbox, canvas->dc, &bitmapmask,
+ fill->rop_descriptor, fill->brush.type != SPICE_BRUSH_TYPE_NONE);
+ }
+
+ free_mask(&bitmapmask);
+ unset_brush(canvas->dc, prev_hbrush);
+}
+
+static void gdi_canvas_draw_copy(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip, SpiceCopy *copy)
+{
+ GdiCanvas *canvas = (GdiCanvas *)spice_canvas;
+ GdiCanvas *gdi_surface;
+ pixman_image_t *surface;
+ struct BitmapData bitmapmask;
+ PixmanData *pixman_data;
+
+ gdi_surface = (GdiCanvas *)canvas_get_surface(&canvas->base, copy->src_bitmap);
+ if (gdi_surface) {
+ RecurciveLock lock(*canvas->lock);
+ RecurciveLock s_lock(*gdi_surface->lock);
+ bitmapmask = get_mask_bitmap(canvas, &copy->mask);
+ set_scale_mode(canvas, copy->scale_mode);
+ set_clip(canvas, clip);
+ gdi_draw_bitmap_redrop(canvas->dc, &copy->src_area, bbox, gdi_surface->dc,
+ &bitmapmask, copy->rop_descriptor, 0);
+ } else {
+ surface = canvas_get_image(&canvas->base, copy->src_bitmap, FALSE);
+ pixman_data = (PixmanData *)pixman_image_get_destroy_data(surface);
+
+ RecurciveLock lock(*canvas->lock);
+ bitmapmask = get_mask_bitmap(canvas, &copy->mask);
+ set_scale_mode(canvas, copy->scale_mode);
+ set_clip(canvas, clip);
+
+ if (pixman_data && (WaitForSingleObject(pixman_data->mutex, INFINITE) != WAIT_FAILED)) {
+ HDC dc;
+ HBITMAP prev_bitmap;
+
+ dc = create_compatible_dc();
+ prev_bitmap = (HBITMAP)SelectObject(dc, pixman_data->bitmap);
+ gdi_draw_bitmap_redrop(canvas->dc, &copy->src_area, bbox, dc,
+ &bitmapmask, copy->rop_descriptor, 0);
+ SelectObject(dc, prev_bitmap);
+ DeleteObject(dc);
+ ReleaseMutex(pixman_data->mutex);
+ } else {
+ gdi_draw_image(canvas->dc, &copy->src_area, bbox, surface, &bitmapmask,
+ copy->rop_descriptor, 0);
+ }
+
+ pixman_image_unref(surface);
+
+ }
+ free_mask(&bitmapmask);
+}
+
+static void gdi_canvas_put_image(SpiceCanvas *spice_canvas, HDC dc, const SpiceRect *dest, const uint8_t *src_data,
+ uint32_t src_width, uint32_t src_height, int src_stride,
+ const QRegion *clip)
+{
+ GdiCanvas *canvas = (GdiCanvas *)spice_canvas;
+ SpiceRect src;
+ src.top = 0;
+ src.bottom = src_height;
+ src.left = 0;
+ src.right = src_width;
+ int num_rects;
+ pixman_box32_t *rects;
+
+ RecurciveLock lock(*canvas->lock);
+ set_scale_mode(canvas, SPICE_IMAGE_SCALE_MODE_NEAREST);
+ if (clip) {
+ rects = pixman_region32_rectangles((pixman_region32_t*)clip, &num_rects);
+ if (num_rects == 0) {
+ return;
+ } else {
+ HRGN main_hrgn;
+ int i;
+
+ main_hrgn = CreateRectRgn(rects[0].x1, rects[0].y1, rects[0].x2,
+ rects[0].y2);
+ if (!main_hrgn) {
+ return;
+ }
+
+ for (i = 1; i < num_rects; i++) {
+ HRGN combaine_hrgn;
+
+ combaine_hrgn = CreateRectRgn(rects[i].x1, rects[i].y1,
+ rects[i].x2,
+ rects[i].y2);
+ 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, SPICE_ROPD_OP_PUT, 0);
+ } else {
+ pixman_image_t *image = pixman_image_create_bits(PIXMAN_a8r8g8b8, src_width, src_height,
+ (uint32_t *)src_data, src_stride);
+ gdi_draw_image(canvas->dc, &src, dest, image, NULL, SPICE_ROPD_OP_PUT, 0);
+ pixman_image_unref(image);
+ }
+}
+
+static void gdi_draw_bitmap_transparent(GdiCanvas *canvas, HDC dest_dc, const SpiceRect *src,
+ const SpiceRect *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 SpiceRect *src,
+ const SpiceRect *dest, pixman_image_t *image,
+ uint32_t color, int rotate)
+{
+ HDC dc;
+ HBITMAP bitmap;
+ HBITMAP prev_bitmap;
+
+ create_bitmap_from_pixman(&bitmap, &prev_bitmap, &dc, image, rotate);
+
+ gdi_draw_bitmap_transparent(canvas, dest_dc, src, dest, dc, color);
+
+ release_bitmap(dc, bitmap, prev_bitmap, 0);
+}
+
+static void gdi_canvas_draw_transparent(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip,
+ SpiceTransparent* transparent)
+{
+ GdiCanvas *canvas = (GdiCanvas *)spice_canvas;
+ GdiCanvas *gdi_surface;
+ pixman_image_t *surface;
+ PixmanData *pixman_data;
+
+ gdi_surface = (GdiCanvas *)canvas_get_surface(&canvas->base, transparent->src_bitmap);
+ if (gdi_surface) {
+ RecurciveLock lock(*canvas->lock);
+ RecurciveLock s_lock(*gdi_surface->lock);
+ set_clip(canvas, clip);
+ gdi_draw_bitmap_transparent(canvas, canvas->dc, &transparent->src_area, bbox,
+ gdi_surface->dc, transparent->true_color);
+ } else {
+ surface = canvas_get_image(&canvas->base, transparent->src_bitmap, FALSE);
+ pixman_data = (PixmanData *)pixman_image_get_destroy_data(surface);
+ RecurciveLock lock(*canvas->lock);
+ set_clip(canvas, clip);
+ if (pixman_data && (WaitForSingleObject(pixman_data->mutex, INFINITE) != WAIT_FAILED)) {
+ HDC dc;
+ HBITMAP prev_bitmap;
+
+ dc = create_compatible_dc();
+ prev_bitmap = (HBITMAP)SelectObject(dc, pixman_data->bitmap);
+ gdi_draw_bitmap_transparent(canvas, canvas->dc, &transparent->src_area, bbox, dc,
+ transparent->true_color);
+
+ SelectObject(dc, prev_bitmap);
+ DeleteObject(dc);
+ ReleaseMutex(pixman_data->mutex);
+ } else {
+ gdi_draw_image_transparent(canvas, canvas->dc, &transparent->src_area, bbox, surface,
+ transparent->true_color, 0);
+ }
+
+ pixman_image_unref(surface);
+ }
+}
+
+static void gdi_draw_bitmap_alpha(HDC dest_dc, const SpiceRect *src, const SpiceRect *dest,
+ HDC src_dc, uint8_t alpha, int use_bitmap_alpha)
+{
+ BLENDFUNCTION bf;
+
+ bf.BlendOp = AC_SRC_OVER;
+ bf.BlendFlags = 0;
+ bf.SourceConstantAlpha = alpha;
+
+ if (use_bitmap_alpha) {
+ bf.AlphaFormat = AC_SRC_ALPHA;
+ } else {
+ bf.AlphaFormat = 0;
+ }
+
+ 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 SpiceRect *src, const SpiceRect *dest,
+ pixman_image_t *image, uint8_t alpha,
+ int rotate, int use_bitmap_alpha)
+{
+ HDC dc;
+ HBITMAP bitmap;
+ HBITMAP prev_bitmap;
+
+ create_bitmap_from_pixman(&bitmap, &prev_bitmap, &dc, image, rotate);
+
+ gdi_draw_bitmap_alpha(dest_dc, src, dest, dc, alpha, use_bitmap_alpha);
+
+ release_bitmap(dc, bitmap, prev_bitmap, 0);
+}
+
+static void gdi_canvas_draw_alpha_blend(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip, SpiceAlphaBlend* alpha_blend)
+{
+ GdiCanvas *canvas = (GdiCanvas *)spice_canvas;
+ GdiCanvas *gdi_surface;
+ pixman_image_t *surface;
+ PixmanData *pixman_data;
+ int use_bitmap_alpha;
+
+ gdi_surface = (GdiCanvas *)canvas_get_surface(&canvas->base, alpha_blend->src_bitmap);
+ if (gdi_surface) {
+ RecurciveLock lock(*canvas->lock);
+ RecurciveLock s_lock(*gdi_surface->lock);
+ set_clip(canvas, clip);
+ use_bitmap_alpha = alpha_blend->alpha_flags & SPICE_ALPHA_FLAGS_SRC_SURFACE_HAS_ALPHA;
+ gdi_draw_bitmap_alpha(canvas->dc, &alpha_blend->src_area, bbox, gdi_surface->dc,
+ alpha_blend->alpha, use_bitmap_alpha);
+ } else {
+ surface = canvas_get_image(&canvas->base, alpha_blend->src_bitmap, TRUE);
+ use_bitmap_alpha = pixman_image_get_depth(surface) == 32;
+ pixman_data = (PixmanData *)pixman_image_get_destroy_data(surface);
+
+ RecurciveLock lock(*canvas->lock);
+ set_clip(canvas, clip);
+ if (pixman_data && (WaitForSingleObject(pixman_data->mutex, INFINITE) != WAIT_FAILED)) {
+ HDC dc;
+ HBITMAP prev_bitmap;
+
+ dc = create_compatible_dc();
+ prev_bitmap = (HBITMAP)SelectObject(dc, pixman_data->bitmap);
+ gdi_draw_bitmap_alpha(canvas->dc, &alpha_blend->src_area, bbox, dc, alpha_blend->alpha,
+ use_bitmap_alpha);
+ SelectObject(dc, prev_bitmap);
+ DeleteObject(dc);
+ ReleaseMutex(pixman_data->mutex);
+ } else {
+ gdi_draw_image_alpha(canvas->dc, &alpha_blend->src_area, bbox, surface,
+ alpha_blend->alpha, 0, use_bitmap_alpha);
+ }
+
+ pixman_image_unref(surface);
+ }
+}
+
+static void gdi_canvas_draw_opaque(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip, SpiceOpaque *opaque)
+{
+ GdiCanvas *gdi_surface;
+ GdiCanvas *canvas = (GdiCanvas *)spice_canvas;
+ pixman_image_t *surface;
+ struct BitmapData bitmapmask;
+ PixmanData *pixman_data;
+ HBRUSH prev_hbrush;
+ HBRUSH hbrush;
+ uint8_t rop3;
+ RecurciveMutex *brush_lock;
+
+ rop3 = calc_rop3_src_brush(opaque->rop_descriptor);
+
+ gdi_surface = (GdiCanvas *)canvas_get_surface(&canvas->base, opaque->src_bitmap);
+ if (gdi_surface) {
+ RecurciveLock lock(*canvas->lock);
+ RecurciveLock s_lock(*gdi_surface->lock);
+ bitmapmask = get_mask_bitmap(canvas, &opaque->mask);
+ hbrush = get_brush(canvas, &opaque->brush, &brush_lock);
+ set_scale_mode(canvas, opaque->scale_mode);
+ set_clip(canvas, clip);
+ prev_hbrush = set_brush(canvas->dc, hbrush, &opaque->brush);
+ if (brush_lock) {
+ RecurciveLock b_lock(*brush_lock);
+ gdi_draw_bitmap(canvas->dc, &opaque->src_area, bbox, gdi_surface->dc, &bitmapmask, rop3);
+ } else {
+ gdi_draw_bitmap(canvas->dc, &opaque->src_area, bbox, gdi_surface->dc, &bitmapmask, rop3);
+ }
+ unset_brush(canvas->dc, prev_hbrush);
+ } else {
+ surface = canvas_get_image(&canvas->base, opaque->src_bitmap, FALSE);
+ pixman_data = (PixmanData *)pixman_image_get_destroy_data(surface);
+
+ RecurciveLock lock(*canvas->lock);
+ bitmapmask = get_mask_bitmap(canvas, &opaque->mask);
+ hbrush = get_brush(canvas, &opaque->brush, &brush_lock);
+ set_scale_mode(canvas, opaque->scale_mode);
+ set_clip(canvas, clip);
+ prev_hbrush = set_brush(canvas->dc, hbrush, &opaque->brush);
+
+ if (pixman_data && (WaitForSingleObject(pixman_data->mutex, INFINITE) != WAIT_FAILED)) {
+ HDC dc;
+ HBITMAP prev_bitmap;
+
+ dc = create_compatible_dc();
+ prev_bitmap = (HBITMAP)SelectObject(dc, pixman_data->bitmap);
+ if (brush_lock) {
+ RecurciveLock b_lock(*brush_lock);
+ gdi_draw_bitmap(canvas->dc, &opaque->src_area, bbox, dc, &bitmapmask, rop3);
+ } else {
+ gdi_draw_bitmap(canvas->dc, &opaque->src_area, bbox, dc, &bitmapmask, rop3);
+ }
+ SelectObject(dc, prev_bitmap);
+ DeleteObject(dc);
+ ReleaseMutex(pixman_data->mutex);
+ } else {
+ if (brush_lock) {
+ RecurciveLock b_lock(*brush_lock);
+ gdi_draw_image_rop3(canvas->dc, &opaque->src_area, bbox, surface, &bitmapmask, rop3, 0);
+ } else {
+ gdi_draw_image_rop3(canvas->dc, &opaque->src_area, bbox, surface, &bitmapmask, rop3, 0);
+ }
+ }
+ unset_brush(canvas->dc, prev_hbrush);
+ pixman_image_unref(surface);
+ }
+
+ free_mask(&bitmapmask);
+}
+
+static void gdi_canvas_draw_blend(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip, SpiceBlend *blend)
+{
+ GdiCanvas *gdi_surface;
+ GdiCanvas *canvas = (GdiCanvas *)spice_canvas;
+ pixman_image_t *surface;
+ struct BitmapData bitmapmask;
+ PixmanData *pixman_data;
+
+ gdi_surface = (GdiCanvas *)canvas_get_surface(&canvas->base, blend->src_bitmap);
+ if (gdi_surface) {
+ RecurciveLock lock(*canvas->lock);
+ RecurciveLock s_lock(*gdi_surface->lock);
+ bitmapmask = get_mask_bitmap(canvas, &blend->mask);
+ set_scale_mode(canvas, blend->scale_mode);
+ set_clip(canvas, clip);
+ gdi_draw_bitmap_redrop(canvas->dc, &blend->src_area, bbox, gdi_surface->dc,
+ &bitmapmask, blend->rop_descriptor, 0);
+ } else {
+ surface = canvas_get_image(&canvas->base, blend->src_bitmap, FALSE);
+ pixman_data = (PixmanData *)pixman_image_get_destroy_data(surface);
+
+ RecurciveLock lock(*canvas->lock);
+ bitmapmask = get_mask_bitmap(canvas, &blend->mask);
+ set_scale_mode(canvas, blend->scale_mode);
+ set_clip(canvas, clip);
+
+ if (pixman_data && (WaitForSingleObject(pixman_data->mutex, INFINITE) != WAIT_FAILED)) {
+ HDC dc;
+ HBITMAP prev_bitmap;
+
+ dc = create_compatible_dc();
+ prev_bitmap = (HBITMAP)SelectObject(dc, pixman_data->bitmap);
+ gdi_draw_bitmap_redrop(canvas->dc, &blend->src_area, bbox, dc,
+ &bitmapmask, blend->rop_descriptor, 0);
+ SelectObject(dc, prev_bitmap);
+ DeleteObject(dc);
+ ReleaseMutex(pixman_data->mutex);
+ } else {
+ gdi_draw_image(canvas->dc, &blend->src_area, bbox, surface,
+ &bitmapmask, blend->rop_descriptor, 0);
+ }
+
+ pixman_image_unref(surface);
+ }
+
+ free_mask(&bitmapmask);
+}
+
+static void gdi_canvas_draw_blackness(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip, SpiceBlackness *blackness)
+{
+ GdiCanvas *canvas = (GdiCanvas *)spice_canvas;
+ struct BitmapData bitmapmask;
+
+ RecurciveLock lock(*canvas->lock);
+ bitmapmask = get_mask_bitmap(canvas, &blackness->mask);
+ set_clip(canvas, clip);
+ gdi_draw_bitmap(canvas->dc, bbox, bbox, canvas->dc, &bitmapmask, 0x0);
+
+ free_mask(&bitmapmask);
+}
+
+static void gdi_canvas_draw_invers(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip, SpiceInvers *invers)
+{
+ GdiCanvas *canvas = (GdiCanvas *)spice_canvas;
+ struct BitmapData bitmapmask;
+
+ RecurciveLock lock(*canvas->lock);
+ bitmapmask = get_mask_bitmap(canvas, &invers->mask);
+ set_clip(canvas, clip);
+ gdi_draw_bitmap(canvas->dc, bbox, bbox, canvas->dc, &bitmapmask, 0x55);
+
+ free_mask(&bitmapmask);
+}
+
+static void gdi_canvas_draw_whiteness(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip, SpiceWhiteness *whiteness)
+{
+ GdiCanvas *canvas = (GdiCanvas *)spice_canvas;
+ struct BitmapData bitmapmask;
+
+ RecurciveLock lock(*canvas->lock);
+ bitmapmask = get_mask_bitmap(canvas, &whiteness->mask);
+ set_clip(canvas, clip);
+ gdi_draw_bitmap(canvas->dc, bbox, bbox, canvas->dc, &bitmapmask, 0xff);
+
+ free_mask(&bitmapmask);
+}
+
+static void gdi_canvas_draw_rop3(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip, SpiceRop3 *rop3)
+{
+ GdiCanvas *gdi_surface;
+ GdiCanvas *canvas = (GdiCanvas *)spice_canvas;
+ pixman_image_t *surface;
+ struct BitmapData bitmapmask;
+ HBRUSH prev_hbrush;
+ HBRUSH hbrush;
+ PixmanData *pixman_data;
+ RecurciveMutex *brush_lock;
+
+ gdi_surface = (GdiCanvas *)canvas_get_surface(&canvas->base, rop3->src_bitmap);
+ if (gdi_surface) {
+ RecurciveLock lock(*canvas->lock);
+ RecurciveLock s_lock(*gdi_surface->lock);
+ hbrush = get_brush(canvas, &rop3->brush, &brush_lock);
+ bitmapmask = get_mask_bitmap(canvas, &rop3->mask);
+ set_scale_mode(canvas, rop3->scale_mode);
+ set_clip(canvas, clip);
+ prev_hbrush = set_brush(canvas->dc, hbrush, &rop3->brush);
+ if (brush_lock) {
+ RecurciveLock b_lock(*brush_lock);
+ gdi_draw_bitmap(canvas->dc, &rop3->src_area, bbox, gdi_surface->dc,
+ &bitmapmask, rop3->rop3);
+ } else {
+ gdi_draw_bitmap(canvas->dc, &rop3->src_area, bbox, gdi_surface->dc,
+ &bitmapmask, rop3->rop3);
+ }
+ unset_brush(canvas->dc, prev_hbrush);
+ } else {
+ surface = canvas_get_image(&canvas->base, rop3->src_bitmap, FALSE);
+ pixman_data = (PixmanData *)pixman_image_get_destroy_data(surface);
+ RecurciveLock lock(*canvas->lock);
+ hbrush = get_brush(canvas, &rop3->brush, &brush_lock);
+ bitmapmask = get_mask_bitmap(canvas, &rop3->mask);
+ set_scale_mode(canvas, rop3->scale_mode);
+ set_clip(canvas, clip);
+ prev_hbrush = set_brush(canvas->dc, hbrush, &rop3->brush);
+
+ if (pixman_data && (WaitForSingleObject(pixman_data->mutex, INFINITE) != WAIT_FAILED)) {
+ HDC dc;
+ HBITMAP prev_bitmap;
+
+ dc = create_compatible_dc();
+ prev_bitmap = (HBITMAP)SelectObject(dc, pixman_data->bitmap);
+ if (brush_lock) {
+ RecurciveLock b_lock(*brush_lock);
+ gdi_draw_bitmap(canvas->dc, &rop3->src_area, bbox, dc,
+ &bitmapmask, rop3->rop3);
+ } else {
+ gdi_draw_bitmap(canvas->dc, &rop3->src_area, bbox, dc,
+ &bitmapmask, rop3->rop3);
+ }
+ SelectObject(dc, prev_bitmap);
+ DeleteObject(dc);
+ ReleaseMutex(pixman_data->mutex);
+ } else {
+ if (brush_lock) {
+ RecurciveLock b_lock(*brush_lock);
+ gdi_draw_image_rop3(canvas->dc, &rop3->src_area, bbox, surface, &bitmapmask, rop3->rop3, 0);
+ } else {
+ gdi_draw_image_rop3(canvas->dc, &rop3->src_area, bbox, surface, &bitmapmask, rop3->rop3, 0);
+ }
+ }
+
+ unset_brush(canvas->dc, prev_hbrush);
+ pixman_image_unref(surface);
+ }
+
+ free_mask(&bitmapmask);
+}
+
+static void gdi_canvas_copy_bits(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip, SpicePoint *src_pos)
+{
+ GdiCanvas *canvas = (GdiCanvas *)spice_canvas;
+ RecurciveLock 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);
+}
+
+static void gdi_canvas_draw_text(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip, SpiceText *text)
+{
+ GdiCanvas *canvas = (GdiCanvas *)spice_canvas;
+ SpiceString *str;
+ RecurciveMutex *brush_lock;
+
+ RecurciveLock lock(*canvas->lock);
+ set_clip(canvas, clip);
+ lock.unlock();
+
+ if (!rect_is_empty(&text->back_area)) {
+ HBRUSH prev_hbrush;
+ HBRUSH hbrush;
+
+ RecurciveLock lock(*canvas->lock);
+ hbrush = get_brush(canvas, &text->back_brush, &brush_lock);
+ prev_hbrush = set_brush(canvas->dc, hbrush, &text->back_brush);
+ if (brush_lock) {
+ RecurciveLock b_lock(*brush_lock);
+ gdi_draw_bitmap_redrop(canvas->dc, bbox, bbox, canvas->dc, NULL,
+ text->back_mode, 1);
+ } else {
+ gdi_draw_bitmap_redrop(canvas->dc, bbox, bbox, canvas->dc, NULL,
+ text->back_mode, 1);
+ }
+ unset_brush(canvas->dc, prev_hbrush);
+ }
+
+ str = (SpiceString *)SPICE_GET_ADDRESS(text->str);
+
+ if (str->flags & SPICE_STRING_FLAGS_RASTER_A1) {
+ SpiceRect dest;
+ SpiceRect src;
+
+ draw_str_mask_bitmap(canvas, str, 1, &dest, &src, &text->fore_brush);
+ } else if (str->flags & SPICE_STRING_FLAGS_RASTER_A4) {
+ SpiceRect dest;
+ SpiceRect src;
+
+ draw_str_mask_bitmap(canvas, str, 4, &dest, &src, &text->fore_brush);
+ } else if (str->flags & SPICE_STRING_FLAGS_RASTER_A8) {
+ WARN("untested path A8 glyphs, doing nothing");
+ if (0) {
+ SpiceRect dest;
+ SpiceRect src;
+
+ draw_str_mask_bitmap(canvas, str, 8, &dest, &src, &text->fore_brush);
+ }
+ } else {
+ WARN("untested path vector glyphs, doing nothing");
+ if (0) {
+ }
+ }
+}
+
+static uint32_t *gdi_get_userstyle(GdiCanvas *canvas, uint8_t nseg, SPICE_FIXED28_4* style, int start_is_gap)
+{
+ double offset = 0;
+ uint32_t *local_style;
+ int i;
+
+ if (nseg == 0) {
+ CANVAS_ERROR("bad nseg");
+ }
+ local_style = spice_new(uint32_t , nseg);
+
+ 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;
+}
+
+static void gdi_canvas_draw_stroke(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip, SpiceStroke *stroke)
+{
+ GdiCanvas *canvas = (GdiCanvas *)spice_canvas;
+ HPEN hpen;
+ HPEN prev_hpen;
+ LOGBRUSH logbrush;
+ uint32_t *user_style = NULL;
+ pixman_image_t *surface = NULL;
+
+ if (stroke->brush.type == SPICE_BRUSH_TYPE_PATTERN) {
+ surface = canvas_get_image(&canvas->base, stroke->brush.u.pattern.pat, FALSE);
+ }
+
+ RecurciveLock lock(*canvas->lock);
+ set_clip(canvas, clip);
+
+ switch (stroke->fore_mode) {
+ case SPICE_ROPD_OP_WHITENESS:
+ SetROP2(canvas->dc, R2_WHITE); //0
+ break;
+ case SPICE_ROPD_OP_BLACKNESS:
+ SetROP2(canvas->dc, R2_BLACK); //1
+ break;
+ case SPICE_ROPD_OP_INVERS:
+ SetROP2(canvas->dc, R2_NOT); //Dn
+ break;
+ case SPICE_ROPD_OP_PUT:
+ SetROP2(canvas->dc, R2_COPYPEN); //P
+ break;
+ case SPICE_ROPD_OP_OR:
+ SetROP2(canvas->dc, R2_MERGEPEN); //DPo
+ break;
+ case SPICE_ROPD_OP_XOR:
+ SetROP2(canvas->dc, R2_XORPEN); //DPx
+ break;
+ case SPICE_ROPD_OP_AND:
+ SetROP2(canvas->dc, R2_MASKPEN); //DPa
+ break;
+ case SPICE_ROPD_INVERS_BRUSH | SPICE_ROPD_OP_PUT: //Pn
+ SetROP2(canvas->dc, R2_NOTCOPYPEN);
+ break;
+ case SPICE_ROPD_OP_XOR | SPICE_ROPD_INVERS_RES:
+ SetROP2(canvas->dc, R2_NOTXORPEN); //DPxn
+ break;
+ case SPICE_ROPD_OP_OR | SPICE_ROPD_INVERS_RES:
+ SetROP2(canvas->dc, R2_NOTMERGEPEN); //DPon
+ break;
+ case SPICE_ROPD_OP_AND | SPICE_ROPD_INVERS_RES:
+ SetROP2(canvas->dc, R2_NOTMASKPEN); //DPan
+ break;
+ case SPICE_ROPD_INVERS_DEST | SPICE_ROPD_OP_AND:
+ SetROP2(canvas->dc, R2_MASKPENNOT); //PDna
+ break;
+ case SPICE_ROPD_INVERS_BRUSH | SPICE_ROPD_OP_AND:
+ SetROP2(canvas->dc, R2_MASKNOTPEN); //DPna
+ break;
+ case SPICE_ROPD_OP_OR | SPICE_ROPD_INVERS_BRUSH:
+ SetROP2(canvas->dc, R2_MERGENOTPEN); //DPno
+ break;
+ case SPICE_ROPD_OP_OR | SPICE_ROPD_INVERS_DEST:
+ SetROP2(canvas->dc, R2_MERGEPENNOT); //PDno
+ break;
+ default:
+ SetROP2(canvas->dc, R2_NOP); //D
+ }
+
+
+ if (stroke->brush.type == SPICE_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 == SPICE_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
+ pixman_image_unref(surface);
+ }
+
+ if (stroke->attr.flags & SPICE_LINE_FLAGS_STYLED) {
+ user_style = gdi_get_userstyle(canvas, stroke->attr.style_nseg,
+ stroke->attr.style,
+ !!(stroke->attr.flags & SPICE_LINE_FLAGS_START_WITH_GAP));
+ hpen = ExtCreatePen(PS_COSMETIC | PS_USERSTYLE,
+ 1,
+ &logbrush, stroke->attr.style_nseg, (DWORD *)user_style);
+ } else {
+ hpen = ExtCreatePen(PS_COSMETIC,
+ 1,
+ &logbrush, 0, NULL);
+ }
+ prev_hpen = (HPEN)SelectObject(canvas->dc, hpen);
+
+ set_path(canvas, stroke->path);
+
+ StrokePath(canvas->dc);
+
+ SelectObject(canvas->dc, prev_hpen);
+ DeleteObject(hpen);
+
+#if 0
+ if (stroke->brush.type == SPICE_BRUSH_TYPE_PATTERN) {
+ GlobalFree((HGLOBAL)logbrush.lbHatch);
+ }
+#endif
+
+ if (user_style) {
+ free(user_style);
+ }
+}
+
+static void gdi_canvas_clear(SpiceCanvas *spice_canvas)
+{
+}
+
+static void gdi_canvas_destroy(SpiceCanvas *spice_canvas)
+{
+ GdiCanvas *canvas = (GdiCanvas *)spice_canvas;
+ if (!canvas) {
+ return;
+ }
+ canvas_base_destroy(&canvas->base);
+ free(canvas);
+}
+
+static int need_init = 1;
+static SpiceCanvasOps gdi_canvas_ops;
+
+SpiceCanvas *gdi_canvas_create(int width, int height,
+ HDC dc, RecurciveMutex* lock, uint32_t format
+#ifdef SW_CANVAS_CACHE
+ , SpiceImageCache *bits_cache
+ , SpicePaletteCache *palette_cache
+#elif defined(SW_CANVAS_IMAGE_CACHE)
+ , SpiceImageCache *bits_cache
+#endif
+ , SpiceImageSurfaces *surfaces
+ , SpiceGlzDecoder *glz_decoder
+ , SpiceJpegDecoder *jpeg_decoder
+ , SpiceZlibDecoder *zlib_decoder
+ )
+{
+ GdiCanvas *canvas;
+ int init_ok;
+
+ if (need_init) {
+ return NULL;
+ }
+ canvas = spice_new0(GdiCanvas, 1);
+ init_ok = canvas_base_init(&canvas->base, &gdi_canvas_ops,
+ width, height, format
+#ifdef SW_CANVAS_CACHE
+ ,bits_cache
+ ,palette_cache
+#elif defined(SW_CANVAS_IMAGE_CACHE)
+ , bits_cache
+#endif
+ , surfaces
+ , glz_decoder
+ , jpeg_decoder
+ , zlib_decoder);
+ canvas->dc = dc;
+ canvas->lock = lock;
+ return (SpiceCanvas *)canvas;
+}
+
+void gdi_canvas_init() //unsafe global function
+{
+ if (!need_init) {
+ return;
+ }
+ need_init = 0;
+
+ canvas_base_init_ops(&gdi_canvas_ops);
+ gdi_canvas_ops.draw_fill = gdi_canvas_draw_fill;
+ gdi_canvas_ops.draw_copy = gdi_canvas_draw_copy;
+ gdi_canvas_ops.draw_opaque = gdi_canvas_draw_opaque;
+ gdi_canvas_ops.copy_bits = gdi_canvas_copy_bits;
+ gdi_canvas_ops.draw_text = gdi_canvas_draw_text;
+ gdi_canvas_ops.draw_stroke = gdi_canvas_draw_stroke;
+ gdi_canvas_ops.draw_rop3 = gdi_canvas_draw_rop3;
+ gdi_canvas_ops.draw_blend = gdi_canvas_draw_blend;
+ gdi_canvas_ops.draw_blackness = gdi_canvas_draw_blackness;
+ gdi_canvas_ops.draw_whiteness = gdi_canvas_draw_whiteness;
+ gdi_canvas_ops.draw_invers = gdi_canvas_draw_invers;
+ gdi_canvas_ops.draw_transparent = gdi_canvas_draw_transparent;
+ gdi_canvas_ops.draw_alpha_blend = gdi_canvas_draw_alpha_blend;
+ gdi_canvas_ops.put_image = gdi_canvas_put_image;
+ gdi_canvas_ops.clear = gdi_canvas_clear;
+ gdi_canvas_ops.destroy = gdi_canvas_destroy;
+
+ rop3_init();
+}
+