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- /*
- * Copyright 2014 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #include "gm/gm.h"
- #include "include/core/SkBlurTypes.h"
- #include "include/core/SkCanvas.h"
- #include "include/core/SkColor.h"
- #include "include/core/SkMaskFilter.h"
- #include "include/core/SkPaint.h"
- #include "include/core/SkRefCnt.h"
- #include "include/core/SkScalar.h"
- #include "include/core/SkSize.h"
- #include "include/core/SkString.h"
- #include "include/core/SkTypes.h"
- #include "src/core/SkBlurMask.h"
- class BlurCirclesGM : public skiagm::GM {
- public:
- BlurCirclesGM() { }
- protected:
- bool runAsBench() const override { return true; }
- SkString onShortName() override {
- return SkString("blurcircles");
- }
- SkISize onISize() override {
- return SkISize::Make(950, 950);
- }
- void onOnceBeforeDraw() override {
- const float blurRadii[kNumBlurs] = { 1,5,10,20 };
- for (int i = 0; i < kNumBlurs; ++i) {
- fBlurFilters[i] = SkMaskFilter::MakeBlur(
- kNormal_SkBlurStyle,
- SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(blurRadii[i])));
- }
- }
- void onDraw(SkCanvas* canvas) override {
- canvas->scale(1.5f, 1.5f);
- canvas->translate(50,50);
- const int circleRadii[] = { 5,10,25,50 };
- for (size_t i = 0; i < kNumBlurs; ++i) {
- SkAutoCanvasRestore autoRestore(canvas, true);
- canvas->translate(0, SkIntToScalar(150*i));
- for (size_t j = 0; j < SK_ARRAY_COUNT(circleRadii); ++j) {
- SkPaint paint;
- paint.setColor(SK_ColorBLACK);
- paint.setMaskFilter(fBlurFilters[i]);
- canvas->drawCircle(SkIntToScalar(50),SkIntToScalar(50),SkIntToScalar(circleRadii[j]),paint);
- canvas->translate(SkIntToScalar(150), 0);
- }
- }
- }
- private:
- static constexpr int kNumBlurs = 4;
- sk_sp<SkMaskFilter> fBlurFilters[kNumBlurs];
- typedef skiagm::GM INHERITED;
- };
- DEF_GM(return new BlurCirclesGM();)
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