...

diff --git a/MagickCore/paint.c b/MagickCore/paint.c
index 1a1125a37b201d73e371769380092cef68ea2b89..3b972d0cea01ee24b7a7e78698a5637533dea609 100644 (file)
--- a/MagickCore/paint.c
+++ b/MagickCore/paint.c
@@ -971,6 +971,11 @@ MagickExport MagickBooleanType OpaquePaintImage(Image *image,
     pixel=zero;
     for (x=0; x < (ssize_t) image->columns; x++)
     {
+      if (GetPixelReadMask(image,q) == 0)
+        {
+          q+=GetPixelChannels(image);
+          continue;
+        }
       GetPixelInfoPixel(image,q,&pixel);
       if (IsFuzzyEquivalencePixelInfo(&pixel,&conform_target) != invert)
         SetPixelViaPixelInfo(image,&conform_fill,q);
@@ -1098,6 +1103,11 @@ MagickExport MagickBooleanType TransparentPaintImage(Image *image,
     pixel=zero;
     for (x=0; x < (ssize_t) image->columns; x++)
     {
+      if (GetPixelReadMask(image,q) == 0)
+        {
+          q+=GetPixelChannels(image);
+          continue;
+        }
       GetPixelInfoPixel(image,q,&pixel);
       if (IsFuzzyEquivalencePixelInfo(&pixel,target) != invert)
         SetPixelAlpha(image,opacity,q);
@@ -1228,6 +1238,11 @@ MagickExport MagickBooleanType TransparentPaintImageChroma(Image *image,
     GetPixelInfo(image,&pixel);
     for (x=0; x < (ssize_t) image->columns; x++)
     {
+      if (GetPixelReadMask(image,q) == 0)
+        {
+          q+=GetPixelChannels(image);
+          continue;
+        }
       GetPixelInfoPixel(image,q,&pixel);
       match=((pixel.red >= low->red) && (pixel.red <= high->red) &&
         (pixel.green >= low->green) && (pixel.green <= high->green) &&