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winex11: The source offset for mirrored Xrender blits must be scaled too.

This commit is contained in:
Alexandre Julliard 2010-04-15 12:04:18 +02:00
parent d862b40aeb
commit 13f203a5f6
1 changed files with 12 additions and 6 deletions
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18
dlls/winex11.drv/xrender.c
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@ -1884,8 +1884,8 @@ static void xrender_blit(Picture src_pict, Picture mask_pict, Picture dst_pict,
* xscale/yscale contain the scaling factors for the width and height. In case of mirroring
* we also need a x- and y-offset because without the pixels will be in the wrong quadrant of the x-y plane.
*/
int x_offset = (xscale<0) ? width : 0;
int y_offset = (yscale<0) ? height : 0;
int x_offset = (xscale<0) ? -width : 0;
int y_offset = (yscale<0) ? -height : 0;
/* When we are using a mask, 'src_pict' contains a 1x1 picture for tiling, the actual source data is in mask_pict.
* The 'src_pict' data effectively acts as an alpha channel to the tile data. We need PictOpOver for correct rendering. */
@ -1897,11 +1897,17 @@ static void xrender_blit(Picture src_pict, Picture mask_pict, Picture dst_pict,
if(xscale != 1.0 || yscale != 1.0)
{
if(mask_pict)
set_xrender_transformation(mask_pict, xscale, yscale, x_src + x_offset, y_src + y_offset);
{
set_xrender_transformation(mask_pict, xscale, yscale, x_src, y_src);
pXRenderComposite(gdi_display, op, src_pict, mask_pict, dst_pict,
0, 0, x_offset, y_offset, 0, 0, width, height);
}
else
set_xrender_transformation(src_pict, xscale, yscale, x_src + x_offset, y_src + y_offset);
pXRenderComposite(gdi_display, op, src_pict, mask_pict, dst_pict, 0, 0, 0, 0, 0, 0, width, height);
{
set_xrender_transformation(src_pict, xscale, yscale, x_src, y_src);
pXRenderComposite(gdi_display, op, src_pict, mask_pict, dst_pict,
x_offset, y_offset, 0, 0, 0, 0, width, height);
}
}
else
{