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

gm/strokerects.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.
  */
 
 
 
@@ skipping 15 matching lines @@
 
 protected:
     virtual SkString onShortName() {
         return SkString("strokerects");
     }
 
     virtual SkISize onISize() {
         return make_isize(W*2, H*2);
     }
 
-    static void rnd_rect(SkRect* r, SkRandom& rand) {
+    static void rnd_rect(SkRect* r, SkLCGRandom& rand) {
         SkScalar x = rand.nextUScalar1() * W;
         SkScalar y = rand.nextUScalar1() * H;
         SkScalar w = rand.nextUScalar1() * (W >> 2);
         SkScalar h = rand.nextUScalar1() * (H >> 2);
         SkScalar hoffset = rand.nextSScalar1();
         SkScalar woffset = rand.nextSScalar1();
 
         r->set(x, y, x + w, y + h);
         r->offset(-w/2 + woffset, -h/2 + hoffset);
     }
 
     virtual void onDraw(SkCanvas* canvas) {
         SkPaint paint;
         paint.setStyle(SkPaint::kStroke_Style);
 
         for (int y = 0; y < 2; y++) {
             paint.setAntiAlias(!!y);
             for (int x = 0; x < 2; x++) {
                 paint.setStrokeWidth(x * SkIntToScalar(3));
 
                 SkAutoCanvasRestore acr(canvas, true);
                 canvas->translate(SW * x, SH * y);
                 canvas->clipRect(SkRect::MakeLTRB(
                         SkIntToScalar(2), SkIntToScalar(2)
                         , SW - SkIntToScalar(2), SH - SkIntToScalar(2)
                 ));
 
-                SkRandom rand;
+                SkLCGRandom rand;
                 for (int i = 0; i < N; i++) {
                     SkRect r;
                     rnd_rect(&r, rand);
                     canvas->drawRect(r, paint);
                 }
             }
         }
     }
 
 private:
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new StrokeRectGM; }
 static GMRegistry reg(MyFactory);
 
 }