add sample for 2ptradial where we divide by zero
git-svn-id: http://skia.googlecode.com/svn/trunk@1832 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/Sample2PtRadial.cpp b/samplecode/Sample2PtRadial.cpp
new file mode 100644
index 0000000..5b3f6fa
--- /dev/null
+++ b/samplecode/Sample2PtRadial.cpp
@@ -0,0 +1,45 @@
+#include "SampleCode.h"
+#include "SkView.h"
+#include "SkCanvas.h"
+#include "SkGradientShader.h"
+
+
+class TwoPtRadialView : public SampleView {
+public:
+ TwoPtRadialView() {}
+
+protected:
+ // overrides from SkEventSink
+ virtual bool onQuery(SkEvent* evt) {
+ if (SampleCode::TitleQ(*evt)) {
+ SampleCode::TitleR(evt, "2PtRadial");
+ return true;
+ }
+ return this->INHERITED::onQuery(evt);
+ }
+
+ virtual void onDrawContent(SkCanvas* canvas) {
+ canvas->translate(SkIntToScalar(10), SkIntToScalar(20));
+
+ SkColor colors[] = { SK_ColorRED, SK_ColorBLUE };
+ SkPoint c0 = { 0, 0 };
+ SkScalar r0 = 100;
+ SkPoint c1 = { 100, 100 };
+ SkScalar r1 = 100;
+ SkShader* s = SkGradientShader::CreateTwoPointRadial(c0, r0, c1, r1, colors,
+ NULL, 2,
+ SkShader::kClamp_TileMode);
+
+ SkPaint paint;
+ paint.setShader(s)->unref();
+ canvas->drawPaint(paint);
+ }
+
+private:
+ typedef SampleView INHERITED;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static SkView* MyFactory() { return new TwoPtRadialView; }
+static SkViewRegister reg(MyFactory);