debug dump functions for mathematica visualization

BUG=

Review URL: https://codereview.appspot.com/7322078

git-svn-id: http://skia.googlecode.com/svn/trunk@7743 2bbb7eff-a529-9590-31e7-b0007b416f81

gyp/utils.gyp

@@ -35,6 +35,7 @@
         '../include/utils/SkCamera.h',
         '../include/utils/SkCubicInterval.h',
         '../include/utils/SkCullPoints.h',
+        '../include/utils/SkDebugUtils.h',
         '../include/utils/SkDeferredCanvas.h',
         '../include/utils/SkDumpCanvas.h',
         '../include/utils/SkInterpolator.h',

include/utils/SkDebugUtils.h

@@ -0,0 +1,94 @@
+
+/*
+ * Copyright 2013 Google, Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+
+#ifndef SkDebugUtils_DEFINED
+#define SkDebugUtils_DEFINED
+
+#include "SkTypes.h"
+
+// These functions dump 0, 1, and 2d arrays of data in a format that's 
+// compatible with Mathematica for quick visualization
+
+
+template<class T>
+inline void SkDebugDumpMathematica( const T val ) {
+    SkDEBUGFAIL("Need to specialize SkDebugDumpMathematica for your type, sorry.");
+}
+
+template<class T> 
+inline void SkDebugDumpMathematica(const char *name, const T *array, int size) {
+    SkDebugf(name);
+    SkDebugf(" = {");
+    for (int i=0 ; i < size ; i++) {
+        SkDebugDumpMathematica<T>(array[i]);
+        if (i != size-1) SkDebugf(", ");
+    }
+    SkDebugf("};\n");
+}
+
+template<class T> 
+inline void SkDebugDumpMathematica(const char *name, const T *array, int width, int height) {
+    SkDebugf(name);
+    SkDebugf(" = {\n");
+    for (int i=0 ; i < height ; i++) {
+        SkDebugf("  {");
+        for (int j = 0 ; j < width ; j++) {
+            SkDebugDumpMathematica<T>(array[i*width + j]);
+            if (j != width-1) {
+                SkDebugf(", ");
+            }
+        }
+        SkDebugf("}");
+        if (i != height-1) {
+            SkDebugf(", \n");
+        }
+    }
+    SkDebugf("\n};\n");
+}
+
+template<class T> 
+inline void SkDebugDumpMathematica( const char *name, const T val ) {
+    SkDebugf(name);
+    SkDebugf(" = ");
+    SkDebugDumpMathematica<T>(val);
+    SkDebugf(";\n");
+}
+
+template<> 
+inline void SkDebugDumpMathematica<uint8_t>( const uint8_t val ) {
+    SkDebugf("%u", val);
+}
+
+template<> 
+inline void SkDebugDumpMathematica<unsigned int>( const unsigned int val ) {
+    SkDebugf("%u", val);
+}
+
+template<> 
+inline void SkDebugDumpMathematica<int>( const int val ) {
+    SkDebugf("%d", val);
+}
+
+template<> 
+inline void SkDebugDumpMathematica<size_t>( const size_t val ) {
+    SkDebugf("%u", val);
+}
+
+template<> 
+void SkDebugDumpMathematica<const char *>( const char * val ) {
+    SkDebugf("%s", val);
+}
+
+template<> 
+inline void SkDebugDumpMathematica<float>( float val ) {
+    SkDebugf("%f", val);
+}
+
+
+#endif