Move SkShader::fLocalMatrix into SkShader constructor.

gm/mixedxfermodes.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 "gm.h"
 #include "SkBitmap.h"
 #include "SkRandom.h"
@@ skipping 68 matching lines @@
 
     virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         if (NULL == fBG.get()) {
             static uint32_t kCheckerPixelData[] = { 0xFFFFFFFF,
                                                     0xFFCCCCCC,
                                                     0xFFCCCCCC,
                                                     0xFFFFFFFF };
             SkBitmap bitmap;
             bitmap.allocN32Pixels(2, 2);
             memcpy(bitmap.getPixels(), kCheckerPixelData, sizeof(kCheckerPixelData));
+            SkMatrix lm;
+            lm.setScale(SkIntToScalar(20), SkIntToScalar(20));
             fBG.reset(SkShader::CreateBitmapShader(bitmap,
                                                    SkShader::kRepeat_TileMode,
-                                                   SkShader::kRepeat_TileMode));
+                                                   SkShader::kRepeat_TileMode,
+                                                   &lm));
         }
-        SkMatrix lm;
-        lm.setScale(SkIntToScalar(20), SkIntToScalar(20));
-        fBG->setLocalMatrix(lm);
 
         SkPaint bgPaint;
         bgPaint.setShader(fBG.get());
         canvas->drawPaint(bgPaint);
         SkISize size = canvas->getDeviceSize();
         SkScalar maxScale = SkScalarSqrt((SkIntToScalar(size.fWidth * size.fHeight))) / 300;
         SkRandom random;
         for (int i = 0; i < kNumShapes; ++i) {
             SkScalar s = random.nextRangeScalar(SK_Scalar1 / 8, SK_Scalar1) * maxScale;
             SkScalar r = random.nextRangeScalar(0, SkIntToScalar(360));
@@ skipping 30 matching lines @@
     SkPath                 fConvexPath;
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new MixedXfermodesGM; }
 static GMRegistry reg(MyFactory);
 
 }