https://github.com/ImageMagick/ImageMagick/issues/1169

diff --git a/MagickCore/effect.c b/MagickCore/effect.c
index 6dd4e1cd9e171d79d7e4bd087fe038f23225b9c0..3aea36fad3520d9f0dc303436003eeb0bc718d00 100644 (file)
--- a/MagickCore/effect.c
+++ b/MagickCore/effect.c
@@ -171,7 +171,7 @@ MagickExport Image *AdaptiveBlurImage(const Image *image,const double radius,
     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
   assert(exception != (ExceptionInfo *) NULL);
   assert(exception->signature == MagickCoreSignature);
-  blur_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception);
+  blur_image=CloneImage(image,0,0,MagickTrue,exception);
   if (blur_image == (Image *) NULL)
     return((Image *) NULL);
   if (fabs(sigma) < MagickEpsilon)
@@ -491,7 +491,7 @@ MagickExport Image *AdaptiveSharpenImage(const Image *image,const double radius,
     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
   assert(exception != (ExceptionInfo *) NULL);
   assert(exception->signature == MagickCoreSignature);
-  sharp_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception);
+  sharp_image=CloneImage(image,0,0,MagickTrue,exception);
   if (sharp_image == (Image *) NULL)
     return((Image *) NULL);
   if (fabs(sigma) < MagickEpsilon)
@@ -1473,8 +1473,7 @@ MagickExport Image *KuwaharaImage(const Image *image,const double radius,
   gaussian_image=BlurImage(image,radius,sigma,exception);
   if (gaussian_image == (Image *) NULL)
     return((Image *) NULL);
-  kuwahara_image=CloneImage(image,image->columns,image->rows,MagickTrue,
-    exception);
+  kuwahara_image=CloneImage(image,0,0,MagickTrue,exception);
   if (kuwahara_image == (Image *) NULL)
     {
       gaussian_image=DestroyImage(gaussian_image);
@@ -2075,7 +2074,7 @@ MagickExport Image *MotionBlurImage(const Image *image,const double radius,
       return(blur_image);
     }
 #endif
-  blur_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception);
+  blur_image=CloneImage(image,0,0,MagickTrue,exception);
   if (blur_image == (Image *) NULL)
     {
       kernel=(MagickRealType *) RelinquishAlignedMemory(kernel);
@@ -2839,7 +2838,7 @@ MagickExport Image *RotationalBlurImage(const Image *image,const double angle,
   if (blur_image != (Image *) NULL)
     return(blur_image);
 #endif
-  blur_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception);
+  blur_image=CloneImage(image,0,0,MagickTrue,exception);
   if (blur_image == (Image *) NULL)
     return((Image *) NULL);
   if (SetImageStorageClass(blur_image,DirectClass,exception) == MagickFalse)
@@ -3161,7 +3160,7 @@ MagickExport Image *SelectiveBlurImage(const Image *image,const double radius,
       }
       message=DestroyString(message);
     }
-  blur_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception);
+  blur_image=CloneImage(image,0,0,MagickTrue,exception);
   if (blur_image == (Image *) NULL)
     return((Image *) NULL);
   if (SetImageStorageClass(blur_image,DirectClass,exception) == MagickFalse)
@@ -3438,7 +3437,7 @@ MagickExport Image *ShadeImage(const Image *image,const MagickBooleanType gray,
   assert(exception != (ExceptionInfo *) NULL);
   assert(exception->signature == MagickCoreSignature);
   linear_image=CloneImage(image,0,0,MagickTrue,exception);
-  shade_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception);
+  shade_image=CloneImage(image,0,0,MagickTrue,exception);
   if ((linear_image == (Image *) NULL) || (shade_image == (Image *) NULL))
     {
       if (linear_image != (Image *) NULL)
@@ -3792,8 +3791,7 @@ MagickExport Image *SpreadImage(const Image *image,
     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
   assert(exception != (ExceptionInfo *) NULL);
   assert(exception->signature == MagickCoreSignature);
-  spread_image=CloneImage(image,image->columns,image->rows,MagickTrue,
-    exception);
+  spread_image=CloneImage(image,0,0,MagickTrue,exception);
   if (spread_image == (Image *) NULL)
     return((Image *) NULL);
   if (SetImageStorageClass(spread_image,DirectClass,exception) == MagickFalse)

diff --git a/MagickCore/image.c b/MagickCore/image.c
index b482684093d61403f0bd69f05c31f359d2bc9cbc..fa262378d73878c5bef503f80c0f3c9f72396036 100644 (file)
--- a/MagickCore/image.c
+++ b/MagickCore/image.c
@@ -883,8 +883,7 @@ MagickExport Image *CloneImage(const Image *image,const size_t columns,
       (void) memcpy(clone_image->colormap,image->colormap,length*
         sizeof(*clone_image->colormap));
     }
-  if (((columns == image->columns) && (rows == image->rows)) ||
-      ((columns == 0) || (rows == 0)))
+  if ((columns == 0) || (rows == 0))
     {
       if (image->montage != (char *) NULL)
         (void) CloneString(&clone_image->montage,image->montage);