gdi32: Add format conversion to the null driver StretchBlt implementation.

This commit is contained in:
Alexandre Julliard 2011-07-19 14:10:30 +02:00
parent eb87e694a2
commit cc8c831c4d
1 changed files with 12 additions and 12 deletions

View File

@ -149,15 +149,9 @@ static void get_vis_rectangles( DC *dc_dst, struct bitblt_coords *dst,
}
}
static DWORD convert_bits( const BITMAPINFO *src_info, struct gdi_image_bits *src_bits,
const RECT *src_rect, BITMAPINFO *dst_info, struct gdi_image_bits *dst_bits )
static void free_heap_bits( struct gdi_image_bits *bits )
{
FIXME( "%u -> %u not implemented\n", src_info->bmiHeader.biBitCount, dst_info->bmiHeader.biBitCount );
dst_bits->ptr = src_bits->ptr;
dst_bits->offset = src_bits->offset;
dst_bits->is_copy = src_bits->is_copy;
dst_bits->free = NULL;
return ERROR_SUCCESS;
HeapFree( GetProcessHeap(), 0, bits->ptr );
}
/* nulldrv fallback implementation using StretchDIBits */
@ -229,14 +223,20 @@ try_get_image:
if (err == ERROR_BAD_FORMAT)
{
RECT src_rect = src->visrect;
offset_rect( &src_rect, src_bits.offset - src->visrect.left, -src->visrect.top );
err = convert_bits( src_info, &src_bits, &src_rect, dst_info, &dst_bits );
if (!err)
offset_rect( &src_rect, src_bits.offset - src->visrect.left, -src->visrect.top );
dst_info->bmiHeader.biWidth = src_rect.right - src_rect.left;
dst_bits.ptr = HeapAlloc( GetProcessHeap(), 0, get_dib_image_size( dst_info ));
if (dst_bits.ptr)
{
err = dst_dev->funcs->pPutImage( dst_dev, 0, dst_info, &dst_bits, &dst->visrect, rop );
dst_bits.is_copy = TRUE;
dst_bits.offset = 0;
dst_bits.free = free_heap_bits;
if (!(err = convert_bitmapinfo( src_info, src_bits.ptr, &src_rect, dst_info, dst_bits.ptr )))
err = dst_dev->funcs->pPutImage( dst_dev, 0, dst_info, &dst_bits, &dst->visrect, rop );
if (dst_bits.free) dst_bits.free( &dst_bits );
}
else err = ERROR_OUTOFMEMORY;
}
if (src_bits.free) src_bits.free( &src_bits );
return !err;