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Code Issues 33 Projects Packages Wiki Activity Actions

CtrlCore: Fix in MakeDragImage (fixed premultiplied alpha issue)

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git-svn-id: svn://ultimatepp.org/upp/trunk@3700 f0d560ea-af0d-0410-9eb7-867de7ffcac7
This commit is contained in:
cxl 2011-07-22 14:43:21 +00:00
parent 90cc18a4b0
commit c54819463a
1 changed files with 2 additions and 0 deletions
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2
uppsrc/CtrlCore/CtrlClip.cpp
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@ -138,6 +138,7 @@ Image MakeDragImage(const Image& arrow, Image sample)
memset(~b, 0, sizeof(RGBA) * b.GetLength());
Size ssz = sample.GetSize();
Over(b, Point(2, 22), sample, sample.GetSize());
Unmultiply(b);
for(int y = 20; y < 96; y++) {
RGBA *s = b[y];
RGBA *e = s + 96;
@ -185,6 +186,7 @@ Image MakeDragImage(const Image& arrow, Image sample)
s += b.GetWidth();
Swap(c1, c2);
}
Premultiply(b);
GuiPlatformAdjustDragImage(b);
Over(b, Point(0, 0), arrow, arrow.GetSize());
}