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gdiplus: Use software mode to draw semi-transparent lines when necessary. 

Signed-off-by: Bruno Jesus <bjesus@codeweavers.com>
Signed-off-by: Vincent Povirk <vincent@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Bruno Jesus 2017-05-03 02:59:42 -03:00 committed by Alexandre Julliard
parent 6834b285d2
commit 29a55bc4d1
1 changed files with 14 additions and 5 deletions
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17
dlls/gdiplus/graphics.c
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@ -1001,12 +1001,21 @@ static REAL intersect_line_scanline(const GpPointF *p1, const GpPointF *p2, REAL
return (p1->X - p2->X) * (p2->Y - y) / (p2->Y - p1->Y) + p2->X;
}
static BOOL brush_can_fill_path(GpBrush *brush)
/* is_fill is TRUE if filling regions, FALSE for drawing primitives */
static BOOL brush_can_fill_path(GpBrush *brush, BOOL is_fill)
{
switch (brush->bt)
{
case BrushTypeSolidColor:
{
if (is_fill)
return TRUE;
else
{
/* cannot draw semi-transparent colors */
return (((GpSolidFill*)brush)->color & 0xff000000) == 0xff000000;
}
}
case BrushTypeHatchFill:
{
GpHatch *hatch = (GpHatch*)brush;
@ -3785,7 +3794,7 @@ GpStatus WINGDIPAPI GdipDrawPath(GpGraphics *graphics, GpPen *pen, GpPath *path)
if (path->pathdata.Count == 0)
return Ok;
if (!graphics->hdc)
if (!graphics->hdc || !brush_can_fill_path(pen->brush, FALSE))
retval = SOFTWARE_GdipDrawPath(graphics, pen, path);
else
retval = GDI32_GdipDrawPath(graphics, pen, path);
@ -4035,7 +4044,7 @@ static GpStatus GDI32_GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath
GpStatus retval;
HRGN hrgn=NULL;
if(!graphics->hdc || !brush_can_fill_path(brush))
if(!graphics->hdc || !brush_can_fill_path(brush, TRUE))
return NotImplemented;
save_state = SaveDC(graphics->hdc);
@ -4328,7 +4337,7 @@ static GpStatus GDI32_GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
HRGN hrgn;
RECT rc;
if(!graphics->hdc || !brush_can_fill_path(brush))
if(!graphics->hdc || !brush_can_fill_path(brush, TRUE))
return NotImplemented;
status = GdipGetRegionHRgn(region, graphics, &hrgn);