Fix CLUT interpolation method

[imagemagick] / MagickCore / distort.c

diff --git a/MagickCore/distort.c b/MagickCore/distort.c
index 7ba1ebdf7a70e49eaffe6bdfbc5c4275e6e4eb63..d1ce18d231075dde760cb581653889fc547fe3f2 100644 (file)
--- a/MagickCore/distort.c
+++ b/MagickCore/distort.c
@@ -1487,7 +1487,6 @@ MagickExport Image *DistortResizeImage(const Image *image,
     return((Image *) NULL);
   /* Do not short-circuit this resize if final image size is unchanged */
 
-  (void) SetImageVirtualPixelMethod(image,TransparentVirtualPixelMethod);
 
   (void) ResetMagickMemory(distort_args,0,12*sizeof(double));
   distort_args[4]=(double) image->columns;
@@ -1500,7 +1499,8 @@ MagickExport Image *DistortResizeImage(const Image *image,
   tmp_image=CloneImage(image,0,0,MagickTrue,exception);
   if ( tmp_image == (Image *) NULL )
     return((Image *) NULL);
-  (void) SetImageVirtualPixelMethod(tmp_image,TransparentVirtualPixelMethod);
+  (void) SetImageVirtualPixelMethod(tmp_image,TransparentVirtualPixelMethod,
+    exception);
 
   if (image->matte == MagickFalse)
     {
@@ -1542,7 +1542,7 @@ MagickExport Image *DistortResizeImage(const Image *image,
       if ( tmp_image == (Image *) NULL )
         return((Image *) NULL);
       (void) SetImageVirtualPixelMethod(tmp_image,
-        TransparentVirtualPixelMethod);
+        TransparentVirtualPixelMethod,exception);
       resize_image=DistortImage(tmp_image,AffineDistortion,12,distort_args,
         MagickTrue,exception),
       tmp_image=DestroyImage(tmp_image);
@@ -1556,11 +1556,11 @@ MagickExport Image *DistortResizeImage(const Image *image,
         exception);
       (void) SetImageAlphaChannel(resize_alpha,DeactivateAlphaChannel,
         exception);
-      (void) CompositeImage(resize_image,CopyAlphaCompositeOp,resize_alpha,
-        0,0,exception);
+      (void) CompositeImage(resize_image,resize_alpha,CopyAlphaCompositeOp,
+        MagickTrue,0,0,exception);
       resize_alpha=DestroyImage(resize_alpha);
     }
-  (void) SetImageVirtualPixelMethod(resize_image,vp_save);
+  (void) SetImageVirtualPixelMethod(resize_image,vp_save,exception);
 
   /*
     Clean up the results of the Distortion
@@ -1954,7 +1954,7 @@ MagickExport Image *DistortImage(const Image *image,DistortImageMethod method,
   }
 
   /* Verbose output */
-  if ( GetImageArtifact(image,"verbose") != (const char *) NULL ) {
+  if ( IfMagickTrue(IsStringTrue(GetImageArtifact(image,"verbose"))) ) {
     register ssize_t
        i;
     char image_gen[MaxTextExtent];
@@ -2790,6 +2790,7 @@ MagickExport Image *RotateImage(const Image *image,const double degrees,
   ExceptionInfo *exception)
 {
   Image
+    *distort_image,
     *rotate_image;
 
   MagickRealType
@@ -2801,9 +2802,6 @@ MagickExport Image *RotateImage(const Image *image,const double degrees,
   size_t
     rotations;
 
-  VirtualPixelMethod
-    method;
-
   /*
     Adjust rotation angle.
   */
@@ -2823,13 +2821,16 @@ MagickExport Image *RotateImage(const Image *image,const double degrees,
   shear.y=sin((double) DegreesToRadians(angle));
   if ((fabs(shear.x) < MagickEpsilon) && (fabs(shear.y) < MagickEpsilon))
     return(IntegralRotateImage(image,rotations,exception));
-  if ((image->background_color.matte != MagickFalse) &&
-      (image->matte == MagickFalse))
-    (void) SetImageAlpha(image,OpaqueAlpha,exception);
-  method=SetImageVirtualPixelMethod(image,BackgroundVirtualPixelMethod);
-  rotate_image=DistortImage(image,ScaleRotateTranslateDistortion,1,&degrees,
-    MagickTrue,exception);
-  method=SetImageVirtualPixelMethod(image,method);
+  distort_image=CloneImage(image,0,0,MagickTrue,exception);
+  if (distort_image == (Image *) NULL)
+    return((Image *) NULL);
+  if (IsGrayColorspace(image->colorspace) != MagickFalse)
+    (void) TransformImageColorspace(distort_image,sRGBColorspace,exception);
+  (void) SetImageVirtualPixelMethod(distort_image,BackgroundVirtualPixelMethod,
+    exception);
+  rotate_image=DistortImage(distort_image,ScaleRotateTranslateDistortion,1,
+    &degrees,MagickTrue,exception);
+  distort_image=DestroyImage(distort_image);
   return(rotate_image);
 }
 \f
@@ -2938,7 +2939,7 @@ MagickExport Image *SparseColorImage(const Image *image,
   }
 
   /* Verbose output */
-  if ( GetImageArtifact(image,"verbose") != (const char *) NULL ) {
+  if ( IfMagickTrue(IsStringTrue(GetImageArtifact(image,"verbose"))) ) {
 
     switch (sparse_method) {
       case BarycentricColorInterpolate: