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Merged in suetanvil/gd-libgd/suetanvil (pull request #12)

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Fixed memory overrun bug in gdImageScaleTwoPass
This commit is contained in:
Pierre Joye 2013-09-25 16:56:05 -07:00
commit 3c5c6390c3
1 changed files with 3 additions and 3 deletions
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6
src/gd_interpolation.c
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@ -953,9 +953,6 @@ static inline LineContribType *_gdContributionsCalc(unsigned int line_size, unsi
double dTotalWeight = 0.0;
int iSrc;
res->ContribRow[u].Left = iLeft;
res->ContribRow[u].Right = iRight;
/* Cut edge points to fit in filter window in case of spill-off */
if (iRight - iLeft + 1 > windows_size) {
if (iLeft < ((int)src_size - 1 / 2)) {
@ -965,6 +962,9 @@ static inline LineContribType *_gdContributionsCalc(unsigned int line_size, unsi
}
}
res->ContribRow[u].Left = iLeft;
res->ContribRow[u].Right = iRight;
for (iSrc = iLeft; iSrc <= iRight; iSrc++) {
dTotalWeight += (res->ContribRow[u].Weights[iSrc-iLeft] = scale_f_d * (*pFilter)(scale_f_d * (dCenter - (double)iSrc)));
}