X-Git-Url: http://git.asbjorn.biz/?p=swftools.git;a=blobdiff_plain;f=pdf2swf%2Fxpdf%2FGfxState.cc;h=5aa9c28c1d415c16be58247ae416eb65a47de54f;hp=65a1da8e411b7e8c5bfdf7b73db3bfa2391f985c;hb=ff0eecc9f0cbe4ecdaac00b5b04660777ad7c630;hpb=c7432833fe3a6469d63fad135151a92e12877b94

diff --git a/pdf2swf/xpdf/GfxState.cc b/pdf2swf/xpdf/GfxState.cc
index 65a1da8..5aa9c28 100644
--- a/pdf2swf/xpdf/GfxState.cc
+++ b/pdf2swf/xpdf/GfxState.cc
@@ -1983,12 +1983,14 @@ GfxImageColorMap::GfxImageColorMap(int bitsA, Object *decode,
   double x[gfxColorMaxComps];
   double y[gfxColorMaxComps];
   int i, j, k;
+  int maxPixelForAlloc;
 
   ok = gTrue;
 
   // bits per component and color space
   bits = bitsA;
   maxPixel = (1 << bits) - 1;
+  maxPixelForAlloc = (1 << (bits>8?bits:8));
   colorSpace = colorSpaceA;
 
   // get decode map
@@ -2035,7 +2037,7 @@ GfxImageColorMap::GfxImageColorMap(int bitsA, Object *decode,
     colorSpace2 = indexedCS->getBase();
     indexHigh = indexedCS->getIndexHigh();
     nComps2 = colorSpace2->getNComps();
-    lookup = (double *)gmalloc((maxPixel + 1) * nComps2 * sizeof(double));
+    lookup = (double *)gmalloc((maxPixelForAlloc + 1) * nComps2 * sizeof(double));
     lookup2 = indexedCS->getLookup();
     colorSpace2->getDefaultRanges(x, y, indexHigh);
     for (i = 0; i <= maxPixel; ++i) {
@@ -2053,7 +2055,7 @@ GfxImageColorMap::GfxImageColorMap(int bitsA, Object *decode,
     sepCS = (GfxSeparationColorSpace *)colorSpace;
     colorSpace2 = sepCS->getAlt();
     nComps2 = colorSpace2->getNComps();
-    lookup = (double *)gmalloc((maxPixel + 1) * nComps2 * sizeof(double));
+    lookup = (double *)gmalloc((maxPixelForAlloc + 1) * nComps2 * sizeof(double));
     sepFunc = sepCS->getFunc();
     for (i = 0; i <= maxPixel; ++i) {
       x[0] = decodeLow[0] + (i * decodeRange[0]) / maxPixel;
@@ -2063,7 +2065,7 @@ GfxImageColorMap::GfxImageColorMap(int bitsA, Object *decode,
       }
     }
   } else {
-    lookup = (double *)gmalloc((maxPixel + 1) * nComps * sizeof(double));
+    lookup = (double *)gmalloc((maxPixelForAlloc + 1) * nComps * sizeof(double));
     for (i = 0; i <= maxPixel; ++i) {
       for (k = 0; k < nComps; ++k) {
 	lookup[i*nComps + k] = decodeLow[k] +