diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2010-06-09 09:59:36 +0100 |
|---|---|---|
| committer | Owain G. Ainsworth <oga@openbsd.org> | 2010-06-10 21:08:18 +0100 |
| commit | 38eb2bdd72aaf2045508b59b672464f9746ab5eb (patch) | |
| tree | 2da1afe3a0c398d481761500e4280a7dd79e8652 /uxa | |
| parent | 9f4a244a363167dc62fa454af197ca8ba6a5e434 (diff) | |
uxa: Handle all-clipped out case with destination glyphs.
Fixes the crash reported in:
Bug 28446 - Garbled Font with Mathematica 7
https://bugs.freedesktop.org/show_bug.cgi?id=28446
pDst=0x3d663c0, src_x=0, src_y=0, xDst=142, yDst=112, nlist=0,
list=0x7fffea026580, glyphs=0x7fffea025d88, extents=0x0)
at uxa-glyphs.c:809
dx = 0
y1 = 101
x2 = 150
x1 = 142
dy = 0
y2 = 112
rects = 0x5491000
this_atlas = 0x2456d00
mask_y = 128
glyph = 0x35933a0
mask_x = 736
priv = 0x39309e0
screen = 0x8d2cc0
uxa_screen = 0x2443eb0
src_pixmap = 0x37c29e0
dst_pixmap = 0x45ddbf0
localSrc = 0x361a450
glyph_atlas = 0x2456d00
x = 142
y = 112
n = 18
nrect = -9975128
box = {x1 = 23152, y1 = -5630, x2 = 32767, y2 = 0}
__PRETTY_FUNCTION__ = "uxa_glyphs_to_dst"
Though the meat of that bug regarding the incorrect remains unsolved.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
(cherry picked from commit 994aa1ef571ac2ab05f6588f9068d33b536c7a37)
Signed-off-by: Owain G. Ainsworth <oga@openbsd.org>
Diffstat (limited to 'uxa')
| -rw-r--r-- | uxa/uxa-glyphs.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/uxa/uxa-glyphs.c b/uxa/uxa-glyphs.c index 63a0270b..8d44090c 100644 --- a/uxa/uxa-glyphs.c +++ b/uxa/uxa-glyphs.c @@ -800,7 +800,7 @@ uxa_glyphs_to_dst(CARD8 op, glyph->info.height); } else { BoxPtr rects = REGION_RECTS(pDst->pCompositeClip); - do { + while (nrect--) { int x1 = x - glyph->info.x, dx = 0; int y1 = y - glyph->info.y, dy = 0; int x2 = x1 + glyph->info.width; @@ -823,7 +823,7 @@ uxa_glyphs_to_dst(CARD8 op, x2 - x1, y2 - y1); } rects++; - } while (--nrect); + } } next_glyph: |