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gdiplus: Implement GdipCreateHICONFromBitmap.

This commit is contained in:
Vincent Povirk 2010-05-08 12:01:07 -05:00 committed by Alexandre Julliard
parent f279b0cd4d
commit 2dbc3980ef
1 changed files with 49 additions and 2 deletions
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51
dlls/gdiplus/image.c
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@ -1804,9 +1804,56 @@ GpStatus WINGDIPAPI GdipCreateCachedBitmap(GpBitmap *bitmap, GpGraphics *graphic
GpStatus WINGDIPAPI GdipCreateHICONFromBitmap(GpBitmap *bitmap, HICON *hicon)
{
FIXME("(%p, %p)\n", bitmap, hicon);
GpStatus stat;
BitmapData lockeddata;
ULONG andstride, xorstride, bitssize;
LPBYTE andbits, xorbits, androw, xorrow, srcrow;
UINT x, y;
return NotImplemented;
TRACE("(%p, %p)\n", bitmap, hicon);
if (!bitmap || !hicon)
return InvalidParameter;
stat = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead,
PixelFormat32bppPARGB, &lockeddata);
if (stat == Ok)
{
andstride = ((lockeddata.Width+31)/32)*4;
xorstride = lockeddata.Width*4;
bitssize = (andstride + xorstride) * lockeddata.Height;
andbits = GdipAlloc(bitssize);
if (andbits)
{
xorbits = andbits + andstride * lockeddata.Height;
for (y=0; y<lockeddata.Height; y++)
{
srcrow = ((LPBYTE)lockeddata.Scan0) + lockeddata.Stride * y;
androw = andbits + andstride * y;
for (x=0; x<lockeddata.Width; x++)
if (srcrow[3+4*x] >= 128)
androw[x/8] |= 1 << (7-x%8);
xorrow = xorbits + xorstride * y;
memcpy(xorrow, srcrow, xorstride);
}
*hicon = CreateIcon(NULL, lockeddata.Width, lockeddata.Height, 1, 32,
andbits, xorbits);
GdipFree(andbits);
}
else
stat = OutOfMemory;
GdipBitmapUnlockBits(bitmap, &lockeddata);
}
return stat;
}
GpStatus WINGDIPAPI GdipDeleteCachedBitmap(GpCachedBitmap *cachedbmp)