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[surface] Propagate region allocation failure.

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Propagate the error status from failing to allocate the region.
This commit is contained in:
Chris Wilson 2009-03-30 10:54:26 +01:00
parent c35d226f7d
commit ea6197c2f5
1 changed files with 10 additions and 11 deletions
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21
src/cairo-surface.c
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@ -2678,12 +2678,11 @@ _cairo_surface_composite_fixup_unbounded_internal (cairo_surface_t *dst,
unsigned int height)
{
cairo_rectangle_int_t dst_rectangle;
cairo_rectangle_int_t drawn_rectangle;
cairo_region_t *clear_region = NULL;
cairo_region_t *clear_region;
cairo_status_t status;
/* The area that was drawn is the area in the destination rectangle but not within
* the source or the mask.
/* The area that was drawn is the area in the destination rectangle but
* not within the source or the mask.
*/
dst_rectangle.x = dst_x;
dst_rectangle.y = dst_y;
@ -2691,22 +2690,22 @@ _cairo_surface_composite_fixup_unbounded_internal (cairo_surface_t *dst,
dst_rectangle.height = height;
clear_region = cairo_region_create_rectangle (&dst_rectangle);
drawn_rectangle = dst_rectangle;
status = clear_region->status;
if (unlikely (status))
goto CLEANUP_REGIONS;
if (src_rectangle) {
if (! _cairo_rectangle_intersect (&drawn_rectangle, src_rectangle))
if (! _cairo_rectangle_intersect (&dst_rectangle, src_rectangle))
goto EMPTY;
}
if (mask_rectangle) {
if (! _cairo_rectangle_intersect (&drawn_rectangle, mask_rectangle))
if (! _cairo_rectangle_intersect (&dst_rectangle, mask_rectangle))
goto EMPTY;
}
/* Now compute the area that is in dst_rectangle but not in drawn_rectangle
*/
status = cairo_region_subtract_rectangle (clear_region, &drawn_rectangle);
/* Now compute the area that is in dst but not drawn */
status = cairo_region_subtract_rectangle (clear_region, &dst_rectangle);
if (unlikely (status))
goto CLEANUP_REGIONS;