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gdiplus: Implement GdipCloneBitmapArea.

This commit is contained in:
Vincent Povirk 2009-12-06 20:02:35 -06:00 committed by Alexandre Julliard
parent 4c36f79964
commit bf04d3fa69
1 changed files with 60 additions and 4 deletions
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64
dlls/gdiplus/image.c
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@ -607,17 +607,73 @@ GpStatus WINGDIPAPI GdipBitmapUnlockBits(GpBitmap* bitmap,
GpStatus WINGDIPAPI GdipCloneBitmapArea(REAL x, REAL y, REAL width, REAL height,
PixelFormat format, GpBitmap* srcBitmap, GpBitmap** dstBitmap)
{
FIXME("(%f,%f,%f,%f,%i,%p,%p): stub\n", x, y, width, height, format, srcBitmap, dstBitmap);
BitmapData lockeddata_src, lockeddata_dst;
int i;
UINT row_size;
Rect area;
GpStatus stat;
return NotImplemented;
TRACE("(%f,%f,%f,%f,%i,%p,%p)\n", x, y, width, height, format, srcBitmap, dstBitmap);
if (!srcBitmap || !dstBitmap || srcBitmap->image.type != ImageTypeBitmap ||
x < 0 || y < 0 ||
x + width > srcBitmap->width || y + height > srcBitmap->height)
{
TRACE("<-- InvalidParameter\n");
return InvalidParameter;
}
if (format == PixelFormatDontCare)
format = srcBitmap->format;
area.X = roundr(x);
area.Y = roundr(y);
area.Width = roundr(width);
area.Height = roundr(height);
stat = GdipBitmapLockBits(srcBitmap, &area, ImageLockModeRead, format,
&lockeddata_src);
if (stat != Ok) return stat;
stat = GdipCreateBitmapFromScan0(lockeddata_src.Width, lockeddata_src.Height,
0, lockeddata_src.PixelFormat, NULL, dstBitmap);
if (stat == Ok)
{
stat = GdipBitmapLockBits(*dstBitmap, 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(*dstBitmap, &lockeddata_dst);
}
if (stat != Ok)
GdipDisposeImage((GpImage*)*dstBitmap);
}
GdipBitmapUnlockBits(srcBitmap, &lockeddata_src);
if (stat != Ok)
{
*dstBitmap = NULL;
}
return stat;
}
GpStatus WINGDIPAPI GdipCloneBitmapAreaI(INT x, INT y, INT width, INT height,
PixelFormat format, GpBitmap* srcBitmap, GpBitmap** dstBitmap)
{
FIXME("(%i,%i,%i,%i,%i,%p,%p): stub\n", x, y, width, height, format, srcBitmap, dstBitmap);
TRACE("(%i,%i,%i,%i,%i,%p,%p)\n", x, y, width, height, format, srcBitmap, dstBitmap);
return NotImplemented;
return GdipCloneBitmapArea(x, y, width, height, format, srcBitmap, dstBitmap);
}
GpStatus WINGDIPAPI GdipCloneImage(GpImage *image, GpImage **cloneImage)