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gdiplus: Track width and height of GpBitmaps.

This commit is contained in:
Evan Stade 2007-07-31 19:16:20 -07:00 committed by Alexandre Julliard
parent fcbb211155
commit 5cde960713
2 changed files with 80 additions and 16 deletions
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2
dlls/gdiplus/gdiplus_private.h
View File

@ -130,6 +130,8 @@ struct GpMetafile{
struct GpBitmap{
GpImage image;
INT width;
INT height;
};
struct GpImageAttributes{

94
dlls/gdiplus/image.c
View File

@ -36,6 +36,39 @@ WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
typedef void ImageItemData;
static INT ipicture_pixel_height(IPicture *pic)
{
HDC hdcref;
OLE_YSIZE_HIMETRIC y;
IPicture_get_Height(pic, &y);
hdcref = GetDC(0);
y = (UINT)(((REAL)y) * ((REAL)GetDeviceCaps(hdcref, LOGPIXELSY)) /
((REAL)INCH_HIMETRIC));
ReleaseDC(0, hdcref);
return y;
}
static INT ipicture_pixel_width(IPicture *pic)
{
HDC hdcref;
OLE_XSIZE_HIMETRIC x;
IPicture_get_Width(pic, &x);
hdcref = GetDC(0);
x = (UINT)(((REAL)x) * ((REAL)GetDeviceCaps(hdcref, LOGPIXELSX)) /
((REAL)INCH_HIMETRIC));
ReleaseDC(0, hdcref);
return x;
}
GpStatus WINGDIPAPI GdipBitmapGetPixel(GpBitmap* bitmap, INT x, INT y,
ARGB *color)
{
@ -110,6 +143,8 @@ GpStatus WINGDIPAPI GdipCreateBitmapFromScan0(INT width, INT height, INT stride,
}
(*bitmap)->image.type = ImageTypeBitmap;
(*bitmap)->width = width;
(*bitmap)->height = height;
return Ok;
}
@ -121,10 +156,14 @@ GpStatus WINGDIPAPI GdipCreateBitmapFromStreamICM(IStream* stream,
stat = GdipLoadImageFromStreamICM(stream, (GpImage**) bitmap);
if(stat == Ok)
(*bitmap)->image.type = ImageTypeBitmap;
if(stat != Ok)
return stat;
return stat;
(*bitmap)->image.type = ImageTypeBitmap;
(*bitmap)->width = ipicture_pixel_width((*bitmap)->image.picture);
(*bitmap)->height = ipicture_pixel_height((*bitmap)->image.picture);
return Ok;
}
GpStatus WINGDIPAPI GdipDisposeImage(GpImage *image)
@ -155,25 +194,42 @@ GpStatus WINGDIPAPI GdipGetImageBounds(GpImage *image, GpRectF *srcRect,
memcpy(srcRect, &((GpMetafile*)image)->bounds, sizeof(GpRectF));
*srcUnit = ((GpMetafile*)image)->unit;
}
else{
FIXME("not implemented for bitmaps\n");
return NotImplemented;
else if(image->type == ImageTypeBitmap){
srcRect->X = srcRect->Y = 0.0;
srcRect->Width = (REAL) ((GpBitmap*)image)->width;
srcRect->Height = (REAL) ((GpBitmap*)image)->height;
*srcUnit = UnitPixel;
}
else{
srcRect->X = srcRect->Y = 0.0;
srcRect->Width = ipicture_pixel_width(image->picture);
srcRect->Height = ipicture_pixel_height(image->picture);
*srcUnit = UnitPixel;
}
TRACE("returning (%f, %f) (%f, %f) unit type %d\n", srcRect->X, srcRect->Y,
srcRect->Width, srcRect->Height, *srcUnit);
return Ok;
}
GpStatus WINGDIPAPI GdipGetImageHeight(GpImage *image, UINT *height)
{
static int calls;
if(!image || !height)
return InvalidParameter;
if(!(calls++))
FIXME("not implemented\n");
if(image->type == ImageTypeMetafile){
FIXME("not implemented for metafiles\n");
return NotImplemented;
}
else if(image->type == ImageTypeBitmap)
*height = ((GpBitmap*)image)->height;
else
*height = ipicture_pixel_height(image->picture);
return NotImplemented;
TRACE("returning %d\n", *height);
return Ok;
}
GpStatus WINGDIPAPI GdipGetImageHorizontalResolution(GpImage *image, REAL *res)
@ -227,15 +283,21 @@ GpStatus WINGDIPAPI GdipGetImageVerticalResolution(GpImage *image, REAL *res)
GpStatus WINGDIPAPI GdipGetImageWidth(GpImage *image, UINT *width)
{
static int calls;
if(!image || !width)
return InvalidParameter;
if(!(calls++))
FIXME("not implemented\n");
if(image->type == ImageTypeMetafile){
FIXME("not implemented for metafiles\n");
return NotImplemented;
}
else if(image->type == ImageTypeBitmap)
*width = ((GpBitmap*)image)->width;
else
*width = ipicture_pixel_width(image->picture);
return NotImplemented;
TRACE("returning %d\n", *width);
return Ok;
}
GpStatus WINGDIPAPI GdipGetMetafileHeaderFromMetafile(GpMetafile * metafile,