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authorAndrea Canciani <ranma42@gmail.com>2012-01-11 20:51:29 +0100
committerAndrea Canciani <ranma42@gmail.com>2012-05-26 16:06:39 +0200
commit37c5c2dbe55f64ee84ab248eb0072d5d7c5145cc (patch)
treea1631a3506ad30281174e71af86faa007be842e4 /src/cairo-xlib-source.c
parentd6fb8d2134c989d2ad455ec37ce4f623d4769c46 (diff)
surface: Only use non-NULL extents for internal mapping
_cairo_surface_map_to_image() requires the input extents to be non-NULL.
Diffstat (limited to 'src/cairo-xlib-source.c')
-rw-r--r--src/cairo-xlib-source.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/src/cairo-xlib-source.c b/src/cairo-xlib-source.c
index f8dac70b3..dec762224 100644
--- a/src/cairo-xlib-source.c
+++ b/src/cairo-xlib-source.c
@@ -261,6 +261,7 @@ render_pattern (cairo_xlib_surface_t *dst,
cairo_xlib_surface_t *src;
cairo_surface_t *image;
cairo_status_t status;
+ cairo_rectangle_int_t map_extents;
src = (cairo_xlib_surface_t *)
_cairo_surface_create_similar_scratch (&dst->base,
@@ -272,7 +273,10 @@ render_pattern (cairo_xlib_surface_t *dst,
return None;
}
- image = cairo_surface_map_to_image (&src->base, NULL);
+ map_extents = *extents;
+ map_extents.x = map_extents.y = 0;
+
+ image = cairo_surface_map_to_image (&src->base, &map_extents);
status = _cairo_surface_offset_paint (image, extents->x, extents->y,
CAIRO_OPERATOR_SOURCE, pattern,
NULL);
@@ -912,7 +916,7 @@ surface_source (cairo_xlib_surface_t *dst,
cairo_surface_t *image;
cairo_surface_pattern_t local_pattern;
cairo_status_t status;
- cairo_rectangle_int_t upload, limit;
+ cairo_rectangle_int_t upload, limit, map_extents;
cairo_matrix_t m;
upload = *sample;
@@ -939,7 +943,10 @@ surface_source (cairo_xlib_surface_t *dst,
cairo_matrix_init_translate (&local_pattern.base.matrix,
upload.x, upload.y);
- image = cairo_surface_map_to_image (&src->base, NULL);
+ map_extents = upload;
+ map_extents.x = map_extents.y = 0;
+
+ image = cairo_surface_map_to_image (&src->base, &map_extents);
status = _cairo_surface_paint (image,
CAIRO_OPERATOR_SOURCE,
&local_pattern.base,