Fixes for upside-down DIBs.
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251ed43b98
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608629bc13
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@ -74,7 +74,7 @@ static BOOL MFDRV_CreatePatternBrush(DC *dc, HBRUSH16 hBrush,
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return FALSE;
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}
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bmSize = bm.bmHeight * DIB_GetDIBWidthBytes(bm.bmWidth, 1);
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bmSize = DIB_GetDIBImageBytes(bm.bmWidth, bm.bmHeight, 1);
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len = sizeof(METARECORD) + sizeof(WORD) + sizeof(BITMAPINFO) +
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sizeof(RGBQUAD) + bmSize;
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@ -106,9 +106,9 @@ static BOOL MFDRV_CreatePatternBrush(DC *dc, HBRUSH16 hBrush,
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if (info->bmiHeader.biCompression)
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bmSize = info->bmiHeader.biSizeImage;
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else
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bmSize = DIB_GetDIBWidthBytes(info->bmiHeader.biWidth,
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info->bmiHeader.biBitCount)
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* info->bmiHeader.biHeight;
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bmSize = DIB_GetDIBImageBytes(info->bmiHeader.biWidth,
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info->bmiHeader.biHeight,
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info->bmiHeader.biBitCount);
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biSize = DIB_BitmapInfoSize(info, LOWORD(logbrush->lbColor));
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len = sizeof(METARECORD) + biSize + bmSize + 2;
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mr = HeapAlloc(SystemHeap, HEAP_ZERO_MEMORY, len);
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@ -1880,8 +1880,9 @@ INT X11DRV_DIB_GetDIBits(
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LeaveCriticalSection( &X11DRV_CritSection );
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if(info->bmiHeader.biSizeImage == 0) /* Fill in biSizeImage */
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info->bmiHeader.biSizeImage = info->bmiHeader.biHeight *
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DIB_GetDIBWidthBytes( info->bmiHeader.biWidth,
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info->bmiHeader.biSizeImage = DIB_GetDIBImageBytes(
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info->bmiHeader.biWidth,
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info->bmiHeader.biHeight,
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info->bmiHeader.biBitCount );
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if(bbits - (BYTE *)bits > info->bmiHeader.biSizeImage)
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@ -55,6 +55,7 @@ extern HBITMAP BITMAP_CopyBitmap( HBITMAP hbitmap );
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/* objects/dib.c */
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extern int DIB_GetDIBWidthBytes( int width, int depth );
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extern int DIB_GetDIBImageBytes( int width, int height, int depth );
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extern int DIB_BitmapInfoSize( BITMAPINFO * info, WORD coloruse );
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extern int DIB_GetBitmapInfo( const BITMAPINFOHEADER *header, DWORD *width,
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int *height, WORD *bpp, WORD *compr );
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@ -114,9 +114,9 @@ HBRUSH16 WINAPI CreateDIBPatternBrush16( HGLOBAL16 hbitmap, UINT16 coloruse )
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if (info->bmiHeader.biCompression)
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size = info->bmiHeader.biSizeImage;
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else
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size = DIB_GetDIBWidthBytes(info->bmiHeader.biWidth,
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info->bmiHeader.biBitCount) *
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info->bmiHeader.biHeight;
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size = DIB_GetDIBImageBytes(info->bmiHeader.biWidth,
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info->bmiHeader.biHeight,
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info->bmiHeader.biBitCount);
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size += DIB_BitmapInfoSize( info, coloruse );
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if (!(logbrush.lbHatch = (INT16)GlobalAlloc16( GMEM_MOVEABLE, size )))
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@ -164,9 +164,9 @@ HBRUSH WINAPI CreateDIBPatternBrush(
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if (info->bmiHeader.biCompression)
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size = info->bmiHeader.biSizeImage;
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else
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size = DIB_GetDIBWidthBytes(info->bmiHeader.biWidth,
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info->bmiHeader.biBitCount) *
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info->bmiHeader.biHeight;
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size = DIB_GetDIBImageBytes(info->bmiHeader.biWidth,
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info->bmiHeader.biHeight,
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info->bmiHeader.biBitCount);
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size += DIB_BitmapInfoSize( info, coloruse );
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if (!(logbrush.lbHatch = (INT)GlobalAlloc16( GMEM_MOVEABLE, size )))
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@ -204,7 +204,8 @@ HBRUSH WINAPI CreateDIBPatternBrushPt(
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BITMAPINFO *newInfo;
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INT size;
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TRACE(gdi, "%p\n", info );
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TRACE(gdi, "%p %ldx%ld %dbpp\n", info, info->bmiHeader.biWidth,
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info->bmiHeader.biHeight, info->bmiHeader.biBitCount);
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/* Make a copy of the bitmap */
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@ -212,9 +213,9 @@ HBRUSH WINAPI CreateDIBPatternBrushPt(
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if (info->bmiHeader.biCompression)
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size = info->bmiHeader.biSizeImage;
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else
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size = DIB_GetDIBWidthBytes(info->bmiHeader.biWidth,
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info->bmiHeader.biBitCount) *
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info->bmiHeader.biHeight;
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size = DIB_GetDIBImageBytes(info->bmiHeader.biWidth,
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info->bmiHeader.biHeight,
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info->bmiHeader.biBitCount);
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size += DIB_BitmapInfoSize( info, coloruse );
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if (!(logbrush.lbHatch = (INT)GlobalAlloc16( GMEM_MOVEABLE, size )))
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@ -524,8 +524,9 @@ static HGLOBAL16 CURSORICON_CreateFromResource( HINSTANCE16 hInstance, HGLOBAL16
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CBM_INIT, (char*)bmi + size, pInfo, DIB_RGB_COLORS );
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if( hXorBits )
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{
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char* bits = (char *)bmi + size + bmi->bmiHeader.biHeight *
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DIB_GetDIBWidthBytes(bmi->bmiHeader.biWidth,
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char* bits = (char *)bmi + size +
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DIB_GetDIBImageBytes(bmi->bmiHeader.biWidth,
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bmi->bmiHeader.biHeight,
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bmi->bmiHeader.biBitCount) / 2;
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pInfo->bmiHeader.biBitCount = 1;
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@ -40,6 +40,16 @@ int DIB_GetDIBWidthBytes( int width, int depth )
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return 4 * words;
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}
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/***********************************************************************
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* DIB_GetDIBImageBytes
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*
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* Return the number of bytes used to hold the image in a DIB bitmap.
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*/
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int DIB_GetDIBImageBytes( int width, int height, int depth )
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{
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return DIB_GetDIBWidthBytes( width, depth ) * abs( height );
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}
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/***********************************************************************
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* DIB_BitmapInfoSize
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@ -537,15 +547,17 @@ INT WINAPI GetDIBits(
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info->bmiHeader.biHeight = bmp->bitmap.bmHeight;
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info->bmiHeader.biPlanes = 1;
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info->bmiHeader.biBitCount = bmp->bitmap.bmBitsPixel;
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info->bmiHeader.biSizeImage = bmp->bitmap.bmHeight *
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DIB_GetDIBWidthBytes( bmp->bitmap.bmWidth,
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info->bmiHeader.biSizeImage =
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DIB_GetDIBImageBytes( bmp->bitmap.bmWidth,
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bmp->bitmap.bmHeight,
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bmp->bitmap.bmBitsPixel );
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info->bmiHeader.biCompression = 0;
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}
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else
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{
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info->bmiHeader.biSizeImage = info->bmiHeader.biHeight *
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DIB_GetDIBWidthBytes( info->bmiHeader.biWidth,
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info->bmiHeader.biSizeImage = DIB_GetDIBImageBytes(
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info->bmiHeader.biWidth,
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info->bmiHeader.biHeight,
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info->bmiHeader.biBitCount );
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}
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}
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