Change old PRG to be SkLCGRandom; change new one to SkRandom

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 14 matching lines @@
     virtual SkString onShortName() SK_OVERRIDE {
         return SkString("mixed_xfermodes");
     }
 
     virtual SkISize onISize() SK_OVERRIDE {
         return make_isize(790, 640);
     }
 
     void drawShape(SkCanvas* canvas,
                    const SkPaint& paint,
-                   SkMWCRandom* random) {
+                   SkRandom* random) {
         static const SkRect kRect = SkRect::MakeXYWH(SkIntToScalar(-50), SkIntToScalar(-50),
                                                      SkIntToScalar(75), SkIntToScalar(105));
         int shape = random->nextULessThan(5);
         switch (shape) {
         case 0:
             canvas->drawCircle(0, 0, 50, paint);
             break;
         case 1:
             canvas->drawRoundRect(kRect, SkIntToScalar(10), SkIntToScalar(20), paint);
             break;
@@ skipping 49 matching lines @@
         }
         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;
-        SkMWCRandom random;
+        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));
             SkScalar dx = random.nextRangeScalar(0, SkIntToScalar(size.fWidth));
             SkScalar dy = random.nextRangeScalar(0, SkIntToScalar(size.fHeight));
             SkColor color = random.nextU();
             SkXfermode::Mode mode =
                 static_cast<SkXfermode::Mode>(random.nextULessThan(SkXfermode::kLastMode + 1));
 
             SkPaint p;
@@ skipping 23 matching lines @@
     SkPath                 fConvexPath;
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new MixedXfermodesGM; }
 static GMRegistry reg(MyFactory);
 
 }