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gdiplus: Reimplement GdipIsEmptyRegion.

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Dmitry Timoshkov 2012-05-21 17:53:13 +09:00 committed by Alexandre Julliard
parent 4b9a558523
commit a7d14b0d2c
1 changed files with 12 additions and 1 deletions
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13
dlls/gdiplus/region.c
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@ -399,6 +399,8 @@ GpStatus WINGDIPAPI GdipCreateRegion(GpRegion **region)
if(!*region)
return OutOfMemory;
TRACE("=> %p\n", *region);
return init_region(*region, RegionDataInfiniteRect);
}
@ -680,6 +682,7 @@ GpStatus WINGDIPAPI GdipGetRegionBounds(GpRegion *region, GpGraphics *graphics,
if(!hrgn){
rect->X = rect->Y = -(REAL)(1 << 22);
rect->Width = rect->Height = (REAL)(1 << 23);
TRACE("%p => infinite\n", region);
return Ok;
}
@ -688,6 +691,7 @@ GpStatus WINGDIPAPI GdipGetRegionBounds(GpRegion *region, GpGraphics *graphics,
rect->Y = r.top;
rect->Width = r.right - r.left;
rect->Height = r.bottom - r.top;
TRACE("%p => %s\n", region, debugstr_rectf(rect));
}
else
status = GenericError;
@ -1080,12 +1084,19 @@ GpStatus WINGDIPAPI GdipGetRegionHRgn(GpRegion *region, GpGraphics *graphics, HR
GpStatus WINGDIPAPI GdipIsEmptyRegion(GpRegion *region, GpGraphics *graphics, BOOL *res)
{
GpStatus status;
GpRectF rect;
TRACE("(%p, %p, %p)\n", region, graphics, res);
if(!region || !graphics || !res)
return InvalidParameter;
*res = (region->node.type == RegionDataEmptyRect);
status = GdipGetRegionBounds(region, graphics, &rect);
if (status != Ok) return status;
*res = rect.Width == 0.0 && rect.Height == 0.0;
TRACE("=> %d\n", *res);
return Ok;
}