demo tweaks, scale up perlin, add call to flush for fps

samplecode/SampleAnimatedText.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SampleCode.h"
 #include "SkView.h"
 #include "SkCanvas.h"
@@ skipping 109 matching lines @@
 
         SkScalar y = SkIntToScalar(0);
         for (int i = 12; i <= 26; i++) {
             paint.setTextSize(SkIntToScalar(i*fSizeScale));
             y += paint.getFontSpacing();
             DrawTheText(canvas, text, length, SkIntToScalar(110), y, paint);
         }
         canvas->restore();
 
         paint.setTextSize(16);
-        canvas->drawText(outString.c_str(), outString.size(), 512.f, 540.f, paint);
+//        canvas->drawText(outString.c_str(), outString.size(), 512.f, 540.f, paint);
         canvas->drawText(modeString.c_str(), modeString.size(), 768.f, 540.f, paint);
     }
 
     bool onAnimate(const SkAnimTimer& timer) override {
         // We add noise to the scale and rotation animations to 
         // keep the font atlas from falling into a steady state
         fRotation += (1.0f + gRand.nextRangeF(-0.1f, 0.1f));
         fScale += (fScaleInc + gRand.nextRangeF(-0.025f, 0.025f));
         if (fScale >= 2.0f) {
             fScaleInc = -0.1f;
@@ skipping 14 matching lines @@
     int         fCurrentTime;
 
 
     typedef SampleView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static SkView* MyFactory() { return new AnimatedTextView; }
 static SkViewRegister reg(MyFactory);