ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

gdiplus: Rewrite SOFTWARE_GdipFillRegion to call brush_fill_pixels less.

This commit is contained in:
Vincent Povirk 2012-02-14 13:50:59 -06:00 committed by Alexandre Julliard
parent d0a37cdeb5
commit dc3a08d840
1 changed files with 81 additions and 109 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

190
dlls/gdiplus/graphics.c
View File

@ -413,6 +413,61 @@ static GpStatus alpha_blend_pixels(GpGraphics *graphics, INT dst_x, INT dst_y,
}
}
static GpStatus alpha_blend_pixels_hrgn(GpGraphics *graphics, INT dst_x, INT dst_y,
const BYTE *src, INT src_width, INT src_height, INT src_stride, HRGN hregion)
{
GpStatus stat=Ok;
if (graphics->image && graphics->image->type == ImageTypeBitmap)
{
int i, size;
RGNDATA *rgndata;
RECT *rects;
size = GetRegionData(hregion, 0, NULL);
rgndata = GdipAlloc(size);
if (!rgndata)
return OutOfMemory;
GetRegionData(hregion, size, rgndata);
rects = (RECT*)&rgndata->Buffer;
for (i=0; stat == Ok && i<rgndata->rdh.nCount; i++)
{
stat = alpha_blend_pixels(graphics, rects[i].left, rects[i].top,
&src[(rects[i].left - dst_x) * 4 + (rects[i].top - dst_y) * src_stride],
rects[i].right - rects[i].left, rects[i].bottom - rects[i].top,
src_stride);
}
GdipFree(rgndata);
return stat;
}
else if (graphics->image && graphics->image->type == ImageTypeMetafile)
{
ERR("This should not be used for metafiles; fix caller\n");
return NotImplemented;
}
else
{
int save;
save = SaveDC(graphics->hdc);
ExtSelectClipRgn(graphics->hdc, hregion, RGN_AND);
stat = alpha_blend_pixels(graphics, dst_x, dst_y, src, src_width,
src_height, src_stride);
RestoreDC(graphics->hdc, save);
return stat;
}
}
static ARGB blend_colors(ARGB start, ARGB end, REAL position)
{
ARGB result=0;
@ -3928,12 +3983,12 @@ static GpStatus SOFTWARE_GdipFillRegion(GpGraphics *graphics, GpBrush *brush,
{
GpStatus stat;
GpRegion *temp_region;
GpMatrix *world_to_device, *identity;
GpMatrix *world_to_device;
GpRectF graphics_bounds;
UINT scans_count, i;
INT dummy;
GpRect *scans = NULL;
DWORD *pixel_data;
HRGN hregion;
RECT bound_rect;
GpRect gp_bound_rect;
if (!brush_can_fill_pixels(brush))
return NotImplemented;
@ -3959,125 +4014,42 @@ static GpStatus SOFTWARE_GdipFillRegion(GpGraphics *graphics, GpBrush *brush,
stat = GdipCombineRegionRect(temp_region, &graphics_bounds, CombineModeIntersect);
if (stat == Ok)
stat = GdipCreateMatrix(&identity);
if (stat == Ok)
{
stat = GdipGetRegionScansCount(temp_region, &scans_count, identity);
if (stat == Ok && scans_count != 0)
{
scans = GdipAlloc(sizeof(*scans) * scans_count);
if (!scans)
stat = OutOfMemory;
if (stat == Ok)
{
stat = GdipGetRegionScansI(temp_region, scans, &dummy, identity);
if (stat != Ok)
GdipFree(scans);
}
}
GdipDeleteMatrix(identity);
}
stat = GdipGetRegionHRgn(temp_region, NULL, &hregion);
GdipDeleteRegion(temp_region);
}
if (stat == Ok && scans_count == 0)
if (stat == Ok && GetRgnBox(hregion, &bound_rect) == NULLREGION)
{
DeleteObject(hregion);
return Ok;
}
if (stat == Ok)
{
if (!graphics->image)
gp_bound_rect.X = bound_rect.left;
gp_bound_rect.Y = bound_rect.top;
gp_bound_rect.Width = bound_rect.right - bound_rect.left;
gp_bound_rect.Height = bound_rect.bottom - bound_rect.top;
pixel_data = GdipAlloc(sizeof(*pixel_data) * gp_bound_rect.Width * gp_bound_rect.Height);
if (!pixel_data)
stat = OutOfMemory;
if (stat == Ok)
{
/* If we have to go through gdi32, use as few alpha blends as possible. */
INT min_x, min_y, max_x, max_y;
UINT data_width, data_height;
min_x = scans[0].X;
min_y = scans[0].Y;
max_x = scans[0].X+scans[0].Width;
max_y = scans[0].Y+scans[0].Height;
for (i=1; i<scans_count; i++)
{
min_x = min(min_x, scans[i].X);
min_y = min(min_y, scans[i].Y);
max_x = max(max_x, scans[i].X+scans[i].Width);
max_y = max(max_y, scans[i].Y+scans[i].Height);
}
data_width = max_x - min_x;
data_height = max_y - min_y;
pixel_data = GdipAlloc(sizeof(*pixel_data) * data_width * data_height);
if (!pixel_data)
stat = OutOfMemory;
stat = brush_fill_pixels(graphics, brush, pixel_data,
&gp_bound_rect, gp_bound_rect.Width);
if (stat == Ok)
{
for (i=0; i<scans_count; i++)
{
stat = brush_fill_pixels(graphics, brush,
pixel_data + (scans[i].X - min_x) + (scans[i].Y - min_y) * data_width,
&scans[i], data_width);
stat = alpha_blend_pixels_hrgn(graphics, gp_bound_rect.X,
gp_bound_rect.Y, (BYTE*)pixel_data, gp_bound_rect.Width,
gp_bound_rect.Height, gp_bound_rect.Width * 4, hregion);
if (stat != Ok)
break;
}
if (stat == Ok)
{
stat = alpha_blend_pixels(graphics, min_x, min_y,
(BYTE*)pixel_data, data_width, data_height,
data_width * 4);
}
GdipFree(pixel_data);
}
}
else
{
UINT max_size=0;
for (i=0; i<scans_count; i++)
{
UINT size = scans[i].Width * scans[i].Height;
if (size > max_size)
max_size = size;
}
pixel_data = GdipAlloc(sizeof(*pixel_data) * max_size);
if (!pixel_data)
stat = OutOfMemory;
if (stat == Ok)
{
for (i=0; i<scans_count; i++)
{
stat = brush_fill_pixels(graphics, brush, pixel_data, &scans[i],
scans[i].Width);
if (stat == Ok)
{
stat = alpha_blend_pixels(graphics, scans[i].X, scans[i].Y,
(BYTE*)pixel_data, scans[i].Width, scans[i].Height,
scans[i].Width * 4);
}
if (stat != Ok)
break;
}
GdipFree(pixel_data);
}
GdipFree(pixel_data);
}
GdipFree(scans);
DeleteObject(hregion);
}
return stat;