mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-01 06:35:42 +00:00
72 lines
2.5 KiB
Diff
72 lines
2.5 KiB
Diff
# HG changeset patch
|
|
# User Milan Sreckovic <msreckovic@mozilla.com>
|
|
# Date 1362078121 18000
|
|
# Node ID e9e6d97b153d8ec17ee03bb1deef1dec24c7a17c
|
|
# Parent c65d59d33aa86b7e75bc420ea3beda6201e0aceb
|
|
Bug 825721: clamp negative box starts and disallow negative sizes. r=jmuizelaar
|
|
|
|
diff --git a/gfx/cairo/cairo/src/cairo-image-surface.c b/gfx/cairo/cairo/src/cairo-image-surface.c
|
|
--- a/gfx/cairo/cairo/src/cairo-image-surface.c
|
|
+++ b/gfx/cairo/cairo/src/cairo-image-surface.c
|
|
@@ -1846,16 +1846,20 @@ static cairo_status_t
|
|
if (likely (status == CAIRO_STATUS_SUCCESS)) {
|
|
for (chunk = &clear.chunks; chunk != NULL; chunk = chunk->next) {
|
|
for (i = 0; i < chunk->count; i++) {
|
|
int x1 = _cairo_fixed_integer_part (chunk->base[i].p1.x);
|
|
int y1 = _cairo_fixed_integer_part (chunk->base[i].p1.y);
|
|
int x2 = _cairo_fixed_integer_part (chunk->base[i].p2.x);
|
|
int y2 = _cairo_fixed_integer_part (chunk->base[i].p2.y);
|
|
|
|
+ x1 = (x1 < 0 ? 0 : x1);
|
|
+ y1 = (y1 < 0 ? 0 : y1);
|
|
+ if (x2 <= x1 || y2 <= y1)
|
|
+ continue;
|
|
pixman_fill ((uint32_t *) dst->data, dst->stride / sizeof (uint32_t),
|
|
PIXMAN_FORMAT_BPP (dst->pixman_format),
|
|
x1, y1, x2 - x1, y2 - y1,
|
|
0);
|
|
}
|
|
}
|
|
}
|
|
|
|
@@ -2669,16 +2673,18 @@ static cairo_status_t
|
|
const cairo_box_t *box = chunk->base;
|
|
|
|
for (i = 0; i < chunk->count; i++) {
|
|
int x1 = _cairo_fixed_integer_ceil (box[i].p1.x);
|
|
int y1 = _cairo_fixed_integer_ceil (box[i].p1.y);
|
|
int x2 = _cairo_fixed_integer_floor (box[i].p2.x);
|
|
int y2 = _cairo_fixed_integer_floor (box[i].p2.y);
|
|
|
|
+ x1 = (x1 < 0 ? 0 : x1);
|
|
+ y1 = (y1 < 0 ? 0 : y1);
|
|
if (x2 > x1 && y2 > y1) {
|
|
cairo_box_t b;
|
|
|
|
pixman_fill ((uint32_t *) dst->data,
|
|
dst->stride / sizeof (uint32_t),
|
|
PIXMAN_FORMAT_BPP (dst->pixman_format),
|
|
x1, y1, x2 - x1, y2 - y1,
|
|
pixel);
|
|
@@ -2929,17 +2935,19 @@ static cairo_status_t
|
|
cairo_box_t *box = chunk->base;
|
|
|
|
for (i = 0; i < chunk->count; i++) {
|
|
int x1 = _cairo_fixed_integer_round_down (box[i].p1.x);
|
|
int y1 = _cairo_fixed_integer_round_down (box[i].p1.y);
|
|
int x2 = _cairo_fixed_integer_round_down (box[i].p2.x);
|
|
int y2 = _cairo_fixed_integer_round_down (box[i].p2.y);
|
|
|
|
- if (x2 == x1 || y2 == y1)
|
|
+ x1 = (x1 < 0 ? 0 : x1);
|
|
+ y1 = (y1 < 0 ? 0 : y1);
|
|
+ if (x2 <= x1 || y2 <= y1)
|
|
continue;
|
|
|
|
pixman_fill ((uint32_t *) dst->data, dst->stride / sizeof (uint32_t),
|
|
PIXMAN_FORMAT_BPP (dst->pixman_format),
|
|
x1, y1, x2 - x1, y2 - y1,
|
|
pixel);
|
|
}
|
|
}
|