add SkAnimTimer, SPACE = pause/resume, ESP = stop

samplecode/SampleArc.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 "SkPath.h"
 #include "SkRegion.h"
 #include "SkShader.h"
 #include "SkUtils.h"
 #include "SkComposeShader.h"
 #include "Sk1DPathEffect.h"
 #include "SkCornerPathEffect.h"
@@ skipping 172 matching lines @@
 
         canvas->EXPERIMENTAL_drawDrawable(fAnimatingDrawable);
 
         DrawArcs(canvas);
     }
 
     void onDrawContent(SkCanvas* canvas) SK_OVERRIDE {
         canvas->EXPERIMENTAL_drawDrawable(fRootDrawable);
     }
 
-    bool onAnimatePulse(SkMSec curr, SkMSec prev) SK_OVERRIDE {
-        SkScalar angle = SkDoubleToScalar(fmod(curr * 0.36 / 24, 360));
+    bool onAnimate(const SkAnimTimer& timer) SK_OVERRIDE {
+        SkScalar angle = SkDoubleToScalar(fmod(timer.secs() * 360 / 24, 360));
         fAnimatingDrawable->setSweep(angle);
         return true;
     }
 
     SkView::Click* onFindClickHandler(SkScalar x, SkScalar y, unsigned modi) SK_OVERRIDE {
      //   fSweep += SK_Scalar1;
         this->inval(NULL);
         return this->INHERITED::onFindClickHandler(x, y, modi);
     }
 
 private:
     SkScalar fSweep;
 
     typedef SampleView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static SkView* MyFactory() { return new ArcsView; }
 static SkViewRegister reg(MyFactory);