skia2/samplecode/Sample2PtRadial.cpp

50 lines
1.4 KiB
C++

/*
* 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 "SkView.h"
#include "SkCanvas.h"
#include "SkGradientShader.h"
class TwoPtConicalView : public SampleView {
public:
TwoPtConicalView() {}
protected:
// overrides from SkEventSink
virtual bool onQuery(SkEvent* evt) {
if (SampleCode::TitleQ(*evt)) {
SampleCode::TitleR(evt, "2PtConical");
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;
SkPaint paint;
paint.setShader(SkGradientShader::MakeTwoPointConical(c0, r0, c1, r1, colors,
nullptr, 2,
SkShader::kClamp_TileMode));
canvas->drawPaint(paint);
}
private:
typedef SampleView INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static SkView* MyFactory() { return new TwoPtConicalView; }
static SkViewRegister reg(MyFactory);