migrate more samples over to SkAnimTImer

samplecode/SamplePatch.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.
  */
+
 #include "SampleCode.h"
+#include "SkAnimTimer.h"
 #include "SkView.h"
 #include "SkCanvas.h"
 #include "SkGradientShader.h"
 #include "SkGraphics.h"
 #include "SkImageDecoder.h"
 #include "SkPath.h"
 #include "SkRandom.h"
 #include "SkRegion.h"
 #include "SkShader.h"
 #include "SkUtils.h"
@@ skipping 195 matching lines @@
     canvas->translate(SkIntToScalar(180), 0);
     patch->draw(canvas, paint, nu, nv, false, true);
     canvas->translate(SkIntToScalar(180), 0);
     patch->draw(canvas, paint, nu, nv, true, true);
 }
 
 const SkScalar DX = 20;
 const SkScalar DY = 0;
 
 class PatchView : public SampleView {
+    SkScalar    fAngle;
     SkShader*   fShader0;
     SkShader*   fShader1;
     SkIPoint    fSize0, fSize1;
     SkPoint     fPts[12];
 
 public:
-    PatchView() {
+    PatchView() : fAngle(0) {
         fShader0 = make_shader0(&fSize0);
         fSize1 = fSize0;
         if (fSize0.fX == 0 || fSize0.fY == 0) {
             fSize1.set(2, 2);
         }
         fShader1 = make_shader1(fSize1);
 
         const SkScalar S = SkIntToScalar(50);
         const SkScalar T = SkIntToScalar(40);
         fPts[0].set(S*0, T);
@@ skipping 60 matching lines @@
 
         paint.setAntiAlias(false);
         paint.setShader(fShader1);
         if (true) {
             SkMatrix m;
             m.setSkew(1, 0);
             SkShader* s = SkShader::CreateLocalMatrixShader(paint.getShader(), m);
             paint.setShader(s)->unref();
         }
         if (true) {
-            static int gAngle;
             SkMatrix m;
-            m.setRotate(SkIntToScalar(gAngle++));
+            m.setRotate(fAngle);
             SkShader* s = SkShader::CreateLocalMatrixShader(paint.getShader(), m);
             paint.setShader(s)->unref();
         }
         patch.setBounds(fSize1.fX, fSize1.fY);
         drawpatches(canvas, paint, nu, nv, &patch);
+    }
 
-        this->inval(NULL);
+    bool onAnimate(const SkAnimTimer& timer) SK_OVERRIDE {
+        fAngle = timer.scaled(60, 360);
+        return true;
     }
 
     class PtClick : public Click {
     public:
         int fIndex;
         PtClick(SkView* view, int index) : Click(view), fIndex(index) {}
     };
 
     static bool hittest(const SkPoint& pt, SkScalar x, SkScalar y) {
         return SkPoint::Length(pt.fX - x, pt.fY - y) < SkIntToScalar(5);
@@ skipping 18 matching lines @@
     }
 
 private:
     typedef SampleView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static SkView* MyFactory() { return new PatchView; }
 static SkViewRegister reg(MyFactory);