add SampleCode::GetAnimTime() so slides go through a central location for

animation timing. This allows us to "freeze" time in order to do things like
draw multiple times to test clipping.



git-svn-id: http://skia.googlecode.com/svn/trunk@444 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 3 insertions, 4 deletions

diff --git a/samplecode/SampleArc.cpp b/samplecode/SampleArc.cpp
index 19bf5f8533..ed62537e9e 100644
--- a/samplecode/SampleArc.cpp
+++ b/samplecode/SampleArc.cpp
@@ -127,6 +127,9 @@ protected:
     virtual void onDraw(SkCanvas* canvas)
     {
         this->drawBG(canvas);
+        
+        fSweep = SampleCode::GetAnimScalar(SkIntToScalar(360)/24,
+                                           SkIntToScalar(360));
 
         SkRect  r;
         SkPaint paint;
@@ -167,10 +170,6 @@ protected:
         paint.setColor(SK_ColorBLUE);
         canvas->drawArc(r, 0, fSweep, false, paint);
         
-        fSweep += SK_Scalar1/4;
-        if (fSweep > SkIntToScalar(360))
-            fSweep = 0;
-        
         drawArcs(canvas);
         this->inval(NULL);
     }