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-rw-r--r--graphics/gpdf/files/patch-SA1867752
1 files changed, 52 insertions, 0 deletions
diff --git a/graphics/gpdf/files/patch-SA18677 b/graphics/gpdf/files/patch-SA18677
new file mode 100644
index 000000000000..61ccfbae40b7
--- /dev/null
+++ b/graphics/gpdf/files/patch-SA18677
@@ -0,0 +1,52 @@
+diff --exclude-from=/home/dang/.diffrc -u -ruN splash/SplashXPathScanner.cc splash/SplashXPathScanner.cc
+--- splash/SplashXPathScanner.cc 2004-05-17 14:10:56.000000000 -0400
++++ splash/SplashXPathScanner.cc 2006-02-12 14:35:09.000000000 -0500
+@@ -182,7 +182,7 @@
+ }
+
+ void SplashXPathScanner::computeIntersections(int y) {
+- SplashCoord ySegMin, ySegMax, xx0, xx1;
++ SplashCoord xSegMin, xSegMax, ySegMin, ySegMax, xx0, xx1;
+ SplashXPathSeg *seg;
+ int i, j;
+
+@@ -232,19 +232,27 @@
+ } else if (seg->flags & splashXPathVert) {
+ xx0 = xx1 = seg->x0;
+ } else {
+- if (ySegMin <= y) {
+- // intersection with top edge
+- xx0 = seg->x0 + (y - seg->y0) * seg->dxdy;
+- } else {
+- // x coord of segment endpoint with min y coord
+- xx0 = (seg->flags & splashXPathFlip) ? seg->x1 : seg->x0;
++ if (seg->x0 < seg->x1) {
++ xSegMin = seg->x0;
++ xSegMax = seg->x1;
++ } else {
++ xSegMin = seg->x1;
++ xSegMax = seg->x0;
++ }
++ // intersection with top edge
++ xx0 = seg->x0 + ((SplashCoord)y - seg->y0) * seg->dxdy;
++ // intersection with bottom edge
++ xx1 = seg->x0 + ((SplashCoord)y + 1 - seg->y0) * seg->dxdy;
++ // the segment may not actually extend to the top and/or bottom edges
++ if (xx0 < xSegMin) {
++ xx0 = xSegMin;
++ } else if (xx0 > xSegMax) {
++ xx0 = xSegMax;
+ }
+- if (ySegMax >= y + 1) {
+- // intersection with bottom edge
+- xx1 = seg->x0 + (y + 1 - seg->y0) * seg->dxdy;
+- } else {
+- // x coord of segment endpoint with max y coord
+- xx1 = (seg->flags & splashXPathFlip) ? seg->x0 : seg->x1;
++ if (xx1 < xSegMin) {
++ xx1 = xSegMin;
++ } else if (xx1 > xSegMax) {
++ xx1 = xSegMax;
+ }
+ }
+ if (xx0 < xx1) {