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Preventing hight for drawing from becoming negative when face->dy < 0. The 

height value is used in miFillPolyHelper() to calculate the size of
    memory to be allocated. A negative value will lead to a crash (Bugzilla
    #2690, Keith Packard, Egbert Eich).
This commit is contained in:
Egbert Eich 2005-04-11 09:33:43 +00:00
parent 5e2080ef93
commit adac701196
1 changed files with 4 additions and 0 deletions
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4
mi/miwideline.c
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@ -1168,6 +1168,10 @@ miLineProjectingCap (pDrawable, pGC, pixel, spanData, face, isLeft, xorg, yorg,
} }
else if (dx == 0) else if (dx == 0)
{ {
if (dy < 0) {
dy = -dy;
isLeft = !isLeft;
}
topy = yorgi; topy = yorgi;
bottomy = yorgi + dy; bottomy = yorgi + dy;
if (isLeft) if (isLeft)