/* * 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();)