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[imagemagick] / magick / morphology.c

diff --git a/magick/morphology.c b/magick/morphology.c
index ab66f3e9937d68406d246163e64cc1c4878e8edc..982325a75b4a1348c5ee160a935c43b2a564bf35 100644 (file)
--- a/magick/morphology.c
+++ b/magick/morphology.c
@@ -1292,7 +1292,9 @@ MagickExport KernelInfo *AcquireKernelBuiltIn(const KernelInfoType type,
         break;
       }
     case SobelKernel:
-      { switch ( (int) args->rho ) {
+#if 0
+      { /* Sobel with optional 'sub-types' */
+        switch ( (int) args->rho ) {
           default:
           case 0:
             kernel=ParseKernelArray("3: 1,0,-1  2,0,-2  1,0,-1");
@@ -1323,6 +1325,16 @@ MagickExport KernelInfo *AcquireKernelBuiltIn(const KernelInfoType type,
           RotateKernelInfo(kernel, args->rho);
         break;
       }
+#else
+      { /* Simple Sobel Kernel */
+        kernel=ParseKernelArray("3: 1,0,-1  2,0,-2  1,0,-1");
+        if (kernel == (KernelInfo *) NULL)
+          return(kernel);
+        kernel->type = type;
+        RotateKernelInfo(kernel, args->rho);
+        break;
+      }
+#endif
     case RobertsKernel:
       {
         kernel=ParseKernelArray("3: 0,0,0  1,-1,0  0,0,0");