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gdiplus: Reimplement GdipCloneImage using GdipCloneBitmapArea for a bitmap.

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Dmitry Timoshkov 2013-10-18 14:04:56 +09:00 committed by Alexandre Julliard
parent df367c3399
commit b528e01d85
1 changed files with 3 additions and 40 deletions
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43
dlls/gdiplus/image.c
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@ -1312,47 +1312,10 @@ GpStatus WINGDIPAPI GdipCloneImage(GpImage *image, GpImage **cloneImage)
} }
else if (image->type == ImageTypeBitmap) else if (image->type == ImageTypeBitmap)
{ {
GpBitmap *bitmap = (GpBitmap*)image; GpBitmap *bitmap = (GpBitmap *)image;
BitmapData lockeddata_src, lockeddata_dst;
int i;
UINT row_size;
stat = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead, bitmap->format, return GdipCloneBitmapAreaI(0, 0, bitmap->width, bitmap->height,
&lockeddata_src); bitmap->format, bitmap, (GpBitmap **)cloneImage);
if (stat != Ok) return stat;
stat = GdipCreateBitmapFromScan0(lockeddata_src.Width, lockeddata_src.Height,
0, lockeddata_src.PixelFormat, NULL, (GpBitmap**)cloneImage);
if (stat == Ok)
{
stat = GdipBitmapLockBits((GpBitmap*)*cloneImage, NULL, ImageLockModeWrite,
lockeddata_src.PixelFormat, &lockeddata_dst);
if (stat == Ok)
{
/* copy the image data */
row_size = (lockeddata_src.Width * PIXELFORMATBPP(lockeddata_src.PixelFormat) +7)/8;
for (i=0; i<lockeddata_src.Height; i++)
memcpy((BYTE*)lockeddata_dst.Scan0+lockeddata_dst.Stride*i,
(BYTE*)lockeddata_src.Scan0+lockeddata_src.Stride*i,
row_size);
GdipBitmapUnlockBits((GpBitmap*)*cloneImage, &lockeddata_dst);
}
if (stat != Ok)
GdipDisposeImage(*cloneImage);
}
GdipBitmapUnlockBits(bitmap, &lockeddata_src);
if (stat != Ok)
{
*cloneImage = NULL;
}
else memcpy(&(*cloneImage)->format, &image->format, sizeof(GUID));
return stat;
} }
else if (image->type == ImageTypeMetafile && ((GpMetafile*)image)->hemf) else if (image->type == ImageTypeMetafile && ((GpMetafile*)image)->hemf)
{ {