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gdiplus: Add a software implementation of GdipFillRegion.

This commit is contained in:
Vincent Povirk 2011-01-21 13:00:34 -06:00 committed by Alexandre Julliard
parent 6acffba564
commit 60cd477342
1 changed files with 149 additions and 3 deletions
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150
dlls/gdiplus/graphics.c
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@ -487,6 +487,36 @@ static void brush_fill_path(GpGraphics *graphics, GpBrush* brush)
}
}
static INT brush_can_fill_pixels(GpBrush *brush)
{
switch (brush->bt)
{
case BrushTypeSolidColor:
return 1;
default:
return 0;
}
}
static GpStatus brush_fill_pixels(GpGraphics *graphics, GpBrush *brush,
DWORD *argb_pixels, GpRect *fill_area, UINT cdwStride)
{
switch (brush->bt)
{
case BrushTypeSolidColor:
{
int x, y;
GpSolidFill *fill = (GpSolidFill*)brush;
for (x=0; x<fill_area->Width; x++)
for (y=0; y<fill_area->Height; y++)
argb_pixels[x + y*cdwStride] = fill->color;
return Ok;
}
default:
return NotImplemented;
}
}
/* GdipDrawPie/GdipFillPie helper function */
static void draw_pie(GpGraphics *graphics, REAL x, REAL y, REAL width,
REAL height, REAL startAngle, REAL sweepAngle)
@ -3321,13 +3351,122 @@ static GpStatus GDI32_GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
return Ok;
}
static GpStatus SOFTWARE_GdipFillRegion(GpGraphics *graphics, GpBrush *brush,
GpRegion* region)
{
GpStatus stat;
GpRegion *temp_region;
GpMatrix *world_to_device, *identity;
GpRectF graphics_bounds;
UINT scans_count, i;
INT dummy;
GpRect *scans;
DWORD *pixel_data;
if (!brush_can_fill_pixels(brush))
return NotImplemented;
stat = get_graphics_bounds(graphics, &graphics_bounds);
if (stat == Ok)
stat = GdipCloneRegion(region, &temp_region);
if (stat == Ok)
{
stat = get_graphics_transform(graphics, CoordinateSpaceDevice,
CoordinateSpaceWorld, &world_to_device);
if (stat == Ok)
{
stat = GdipTransformRegion(temp_region, world_to_device);
GdipDeleteMatrix(world_to_device);
}
if (stat == Ok)
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);
}
GdipDeleteRegion(temp_region);
}
if (stat == Ok && scans_count == 0)
return Ok;
if (stat == Ok)
{
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(scans);
}
return stat;
}
/*****************************************************************************
* GdipFillRegion [GDIPLUS.@]
*/
GpStatus WINGDIPAPI GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
GpRegion* region)
{
GpStatus stat;
GpStatus stat = NotImplemented;
TRACE("(%p, %p, %p)\n", graphics, brush, region);
@ -3337,11 +3476,18 @@ GpStatus WINGDIPAPI GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
if(graphics->busy)
return ObjectBusy;
if (!graphics->image)
stat = GDI32_GdipFillRegion(graphics, brush, region);
if (stat == NotImplemented)
stat = SOFTWARE_GdipFillRegion(graphics, brush, region);
if (stat == NotImplemented && graphics->image)
stat = GDI32_GdipFillRegion(graphics, brush, region);
if (stat == NotImplemented)
{
FIXME("partially implemented\n");
FIXME("not implemented for brushtype %i\n", brush->bt);
stat = Ok;
}