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gdi32: Add a placeholder function for DIB stretching.

oldstable
Alexandre Julliard 2011-09-14 11:17:02 +02:00
parent d685a07f22
commit 7696168dce
3 changed files with 32 additions and 2 deletions
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17
dlls/gdi32/bitblt.c
View File

@ -230,8 +230,21 @@ BOOL nulldrv_StretchBlt( PHYSDEV dst_dev, struct bitblt_coords *dst,
if (err == ERROR_TRANSFORM_NOT_SUPPORTED &&
((src->width != dst->width) || (src->height != dst->height)))
{
FIXME( "should stretch %dx%d -> %dx%d\n",
src->width, src->height, dst->width, dst->height );
memcpy( src_info, dst_info, FIELD_OFFSET( BITMAPINFO, bmiColors[256] ));
dst_info->bmiHeader.biWidth = dst->visrect.right - dst->visrect.left;
dst_info->bmiHeader.biHeight = dst->visrect.bottom - dst->visrect.top;
if (src_info->bmiHeader.biHeight < 0) dst_info->bmiHeader.biHeight = -dst_info->bmiHeader.biHeight;
if ((ptr = HeapAlloc( GetProcessHeap(), 0, get_dib_image_size( dst_info ))))
{
err = stretch_bitmapinfo( src_info, bits.ptr, src, dst_info, ptr, dst,
GetStretchBltMode( dst_dev->hdc ) );
if (bits.free) bits.free( &bits );
bits.ptr = ptr;
bits.is_copy = TRUE;
bits.free = free_heap_bits;
if (!err) err = dst_dev->funcs->pPutImage( dst_dev, 0, 0, dst_info, &bits, src, dst, rop );
}
else err = ERROR_OUTOFMEMORY;
}
if (bits.free) bits.free( &bits );

14
dlls/gdi32/dibdrv/bitblt.c
View File

@ -793,3 +793,17 @@ done:
return ret;
}
DWORD stretch_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
const BITMAPINFO *dst_info, void *dst_bits, const struct bitblt_coords *dst,
INT mode )
{
FIXME( "should stretch %dx%d -> %dx%d\n", src->width, src->height, dst->width, dst->height );
/* update coordinates, the destination rectangle is always stored at 0,0 */
*src = *dst;
src->x -= src->visrect.left;
src->y -= src->visrect.top;
offset_rect( &src->visrect, -src->visrect.left, -src->visrect.top );
return ERROR_SUCCESS;
}

3
dlls/gdi32/gdi_private.h
View File

@ -254,6 +254,9 @@ extern int bitmap_info_size( const BITMAPINFO * info, WORD coloruse ) DECLSPEC_H
extern DWORD convert_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
const BITMAPINFO *dst_info, void *dst_bits ) DECLSPEC_HIDDEN;
extern DWORD stretch_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
const BITMAPINFO *dst_info, void *dst_bits, const struct bitblt_coords *dst,
INT mode ) DECLSPEC_HIDDEN;
/* driver.c */
extern const DC_FUNCTIONS null_driver DECLSPEC_HIDDEN;