skia2/samplecode/Sample2PtRadial.cpp
reed@google.com 4de4d60a1b add sample for 2ptradial where we divide by zero
git-svn-id: http://skia.googlecode.com/svn/trunk@1832 2bbb7eff-a529-9590-31e7-b0007b416f81
2011-07-08 20:12:55 +00:00

46 lines
1.3 KiB
C++

#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);