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gdi32: Grab the bits directly for DIB pattern brushes instead of duplicating the bitmap.

This commit is contained in:
Alexandre Julliard 2011-11-03 21:14:42 +01:00
parent c88f4d452f
commit cc673f44c7
1 changed files with 39 additions and 2 deletions
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41
dlls/gdi32/brush.c
View File

@ -90,6 +90,44 @@ static BOOL store_bitmap_bits( BRUSHOBJ *brush, BITMAPOBJ *bmp )
return TRUE;
}
static BOOL copy_bitmap( BRUSHOBJ *brush, HBITMAP bitmap )
{
BITMAPINFO *info;
BITMAPOBJ *bmp = GDI_GetObjPtr( bitmap, OBJ_BITMAP );
if (!bmp) return FALSE;
if (!bmp->dib)
{
GDI_ReleaseObj( bitmap );
brush->bitmap = BITMAP_CopyBitmap( bitmap );
return brush->bitmap != 0;
}
info = HeapAlloc( GetProcessHeap(), 0,
bitmap_info_size( (BITMAPINFO *)&bmp->dib->dsBmih, DIB_RGB_COLORS ));
if (!info) goto done;
info->bmiHeader = bmp->dib->dsBmih;
if (bmp->dib->dsBmih.biCompression == BI_BITFIELDS)
memcpy( &info->bmiHeader + 1, bmp->dib->dsBitfields, sizeof(bmp->dib->dsBitfields) );
else if (bmp->nb_colors)
memcpy( &info->bmiHeader + 1, bmp->color_table, bmp->nb_colors * sizeof(RGBQUAD) );
if (!(brush->bits.ptr = HeapAlloc( GetProcessHeap(), 0, get_dib_image_size( info ))))
{
HeapFree( GetProcessHeap(), 0, info );
goto done;
}
memcpy( brush->bits.ptr, bmp->dib->dsBm.bmBits, get_dib_image_size( info ));
brush->bits.is_copy = TRUE;
brush->bits.free = free_heap_bits;
brush->info = info;
brush->usage = DIB_RGB_COLORS;
done:
GDI_ReleaseObj( bitmap );
return brush->info != NULL;
}
BOOL get_brush_bitmap_info( HBRUSH handle, BITMAPINFO *info, void **bits, UINT *usage )
{
BRUSHOBJ *brush;
@ -159,8 +197,7 @@ HBRUSH WINAPI CreateBrushIndirect( const LOGBRUSH * brush )
ptr->logbrush.lbStyle = BS_PATTERN;
/* fall through */
case BS_PATTERN:
ptr->bitmap = BITMAP_CopyBitmap( (HBITMAP)ptr->logbrush.lbHatch );
if (!ptr->bitmap) goto error;
if (!copy_bitmap( ptr, (HBITMAP)ptr->logbrush.lbHatch )) goto error;
ptr->logbrush.lbColor = 0;
break;