Add printing of SkColorFilter-derived classes to debugger

src/effects/SkColorMatrixFilter.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "SkColorMatrixFilter.h"
 #include "SkColorMatrix.h"
 #include "SkColorPriv.h"
@@ skipping 459 matching lines @@
         colorMatrix.fMat[i] = random->nextSScalar1();
     }
     return ColorMatrixEffect::Create(colorMatrix);
 }
 
 GrEffectRef* SkColorMatrixFilter::asNewEffect(GrContext*) const {
     return ColorMatrixEffect::Create(fMatrix);
 }
 
 #endif
+
+#ifdef SK_DEVELOPER
+void SkColorMatrixFilter::toString(SkString* str) const {
+    str->append("SkColorMatrixFilter: ");
+
+    str->append("matrix: (");
+    for (int i = 0; i < 20; ++i) {
+        str->appendScalar(fMatrix.fMat[i]);
+        if (i < 19) {
+            str->append(", ");
+        }
+    }
+    str->append(")");
+}
+#endif