Fix CTM scaling and clipping of SkRectShaderImageFilter.

src/effects/SkPerlinNoiseShader.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkDither.h"
 #include "SkPerlinNoiseShader.h"
 #include "SkColorFilter.h"
@@ skipping 432 matching lines @@
         turbulenceFunctionResult = SkScalarMul(turbulenceFunctionResult,
             SkScalarDiv(SkIntToScalar(getPaintAlpha()), SkIntToScalar(255)));
     }
 
     // Clamp result
     return SkScalarPin(turbulenceFunctionResult, 0, SK_Scalar1);
 }
 
 SkPMColor SkPerlinNoiseShader::shade(const SkPoint& point, StitchData& stitchData) {
     SkMatrix matrix = fMatrix;
+    matrix.postConcat(getLocalMatrix());
     SkMatrix invMatrix;
     if (!matrix.invert(&invMatrix)) {
         invMatrix.reset();
     } else {
         invMatrix.postConcat(invMatrix); // Square the matrix
     }
     // This (1,1) translation is due to WebKit's 1 based coordinates for the noise
     // (as opposed to 0 based, usually). The same adjustment is in the setData() function.
     matrix.postTranslate(SK_Scalar1, SK_Scalar1);
     SkPoint newPoint;
@@ skipping 922 matching lines @@
     str->append(" seed: ");
     str->appendScalar(fSeed);
     str->append(" stitch tiles: ");
     str->append(fStitchTiles ? "true " : "false ");
 
     this->INHERITED::toString(str);
 
     str->append(")");
 }
 #endif