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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm.h"
#include "SkBlurImageFilter.h"
#include "SkCanvas.h"
#include "SkDashPathEffect.h"
#include "SkGradientShader.h"
#include "SkMaskFilter.h"
#include "SkRegion.h"
class DrawRegionModesGM : public skiagm::GM {
public:
DrawRegionModesGM() {}
protected:
SkString onShortName() override {
return SkString("drawregionmodes");
}
SkISize onISize() override {
return SkISize::Make(375, 500);
}
void onOnceBeforeDraw() override {
fRegion.op( 50, 50, 100, 100, SkRegion::kUnion_Op);
fRegion.op( 50, 100, 150, 150, SkRegion::kUnion_Op);
}
void onDraw(SkCanvas* canvas) override {
canvas->clear(SK_ColorGREEN);
SkPaint paint;
paint.setStyle(SkPaint::kFill_Style);
paint.setColor(SK_ColorRED);
paint.setAntiAlias(true);
canvas->save();
canvas->translate(-50.0f, 75.0f);
canvas->rotate(-45.0f);
canvas->drawRegion(fRegion, paint);
canvas->translate(125.0f, 125.0f);
paint.setImageFilter(SkBlurImageFilter::Make(5.0f, 5.0f, nullptr, nullptr));
canvas->drawRegion(fRegion, paint);
canvas->translate(-125.0f, 125.0f);
paint.setImageFilter(nullptr);
SkRect occluder = SkRect::MakeEmpty();
paint.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle, 5.0f, occluder));
canvas->drawRegion(fRegion, paint);
canvas->translate(-125.0f, -125.0f);
paint.setMaskFilter(nullptr);
paint.setStyle(SkPaint::kStroke_Style);
float intervals[] = { 5.0f, 5.0f };
paint.setPathEffect(SkDashPathEffect::Make(intervals, 2, 2.5f));
canvas->drawRegion(fRegion, paint);
canvas->restore();
canvas->translate(100, 325);
paint.setPathEffect(nullptr);
paint.setStyle(SkPaint::kFill_Style);
SkPoint points[] = { SkPoint::Make(50.0f, 50.0f), SkPoint::Make(150.0f, 150.0f) };
SkColor colors[] = { SK_ColorBLUE, SK_ColorYELLOW };
paint.setShader(SkGradientShader::MakeLinear(points, colors, nullptr, 2,
SkShader::kClamp_TileMode));
canvas->drawRegion(fRegion, paint);
}
private:
SkRegion fRegion;
typedef skiagm::GM INHERITED;
};
DEF_GM( return new DrawRegionModesGM; )
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