mirror of
https://git.in.rschanz.org/ryan77627/guix.git
synced 2024-12-29 07:42:23 -05:00
bc16eacc99
* gnu/packages/patches/cairo-CVE-2018-19876.patch, gnu/packages/patches/cairo-CVE-2020-35492.patch: New files. * gnu/local.mk (dist_patch_DATA): Add them. * gnu/packages/gtk.scm (cairo)[replacement]: New field. (cairo/fixed): New variable. (cairo-xcb): Use package/inherit.
49 lines
1.3 KiB
Diff
49 lines
1.3 KiB
Diff
Copied from Debian.
|
|
|
|
From 03a820b173ed1fdef6ff14b4468f5dbc02ff59be Mon Sep 17 00:00:00 2001
|
|
From: Heiko Lewin <heiko.lewin@worldiety.de>
|
|
Date: Tue, 15 Dec 2020 16:48:19 +0100
|
|
Subject: [PATCH] Fix mask usage in image-compositor
|
|
|
|
[trimmed test case, since not used in Debian build]
|
|
|
|
---
|
|
src/cairo-image-compositor.c | 8 ++--
|
|
|
|
--- cairo-1.16.0.orig/src/cairo-image-compositor.c
|
|
+++ cairo-1.16.0/src/cairo-image-compositor.c
|
|
@@ -2601,14 +2601,14 @@ _inplace_src_spans (void *abstract_rende
|
|
unsigned num_spans)
|
|
{
|
|
cairo_image_span_renderer_t *r = abstract_renderer;
|
|
- uint8_t *m;
|
|
+ uint8_t *m, *base = (uint8_t*)pixman_image_get_data(r->mask);
|
|
int x0;
|
|
|
|
if (num_spans == 0)
|
|
return CAIRO_STATUS_SUCCESS;
|
|
|
|
x0 = spans[0].x;
|
|
- m = r->_buf;
|
|
+ m = base;
|
|
do {
|
|
int len = spans[1].x - spans[0].x;
|
|
if (len >= r->u.composite.run_length && spans[0].coverage == 0xff) {
|
|
@@ -2646,7 +2646,7 @@ _inplace_src_spans (void *abstract_rende
|
|
spans[0].x, y,
|
|
spans[1].x - spans[0].x, h);
|
|
|
|
- m = r->_buf;
|
|
+ m = base;
|
|
x0 = spans[1].x;
|
|
} else if (spans[0].coverage == 0x0) {
|
|
if (spans[0].x != x0) {
|
|
@@ -2675,7 +2675,7 @@ _inplace_src_spans (void *abstract_rende
|
|
#endif
|
|
}
|
|
|
|
- m = r->_buf;
|
|
+ m = base;
|
|
x0 = spans[1].x;
|
|
} else {
|
|
*m++ = spans[0].coverage;
|