skia2/samplecode/Sample2PtRadial.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 "include/core/SkCanvas.h"
#include "include/effects/SkGradientShader.h"
#include "samplecode/Sample.h"


class TwoPtConicalView : public Sample {
public:
    TwoPtConicalView() {}

protected:
    SkString name() override { return SkString("2PtConical"); }

    void onDrawContent(SkCanvas* canvas) override {
        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,
                                                             SkTileMode::kClamp));
        canvas->drawPaint(paint);
    }

private:
    using INHERITED = Sample;
};

//////////////////////////////////////////////////////////////////////////////

DEF_SAMPLE( return new TwoPtConicalView(); )