| /* |
| * Copyright 2015 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 "SkBlurMask.h" |
| #include "SkBlurMaskFilter.h" |
| #include "SkCanvas.h" |
| #include "SkDrawFilter.h" |
| #include "SkPaint.h" |
| |
| /** |
| * Initial test coverage for SkDrawFilter. |
| * Draws two rectangles; if draw filters are broken, they will match. |
| * If draw filters are working correctly, the first will be blue and blurred, |
| * the second red and sharp. |
| */ |
| |
| namespace { |
| class TestFilter : public SkDrawFilter { |
| public: |
| bool filter(SkPaint* p, Type) override { |
| p->setColor(SK_ColorRED); |
| p->setMaskFilter(NULL); |
| return true; |
| } |
| }; |
| } |
| |
| class DrawFilterGM : public skiagm::GM { |
| SkAutoTUnref<SkMaskFilter> fBlur; |
| |
| protected: |
| SkISize onISize() override { |
| return SkISize::Make(320, 240); |
| } |
| |
| SkString onShortName() override { |
| return SkString("drawfilter"); |
| } |
| |
| void onOnceBeforeDraw() override { |
| fBlur.reset(SkBlurMaskFilter::Create(kNormal_SkBlurStyle, |
| SkBlurMask::ConvertRadiusToSigma(10.0f), |
| kLow_SkBlurQuality)); |
| } |
| |
| void onDraw(SkCanvas* canvas) override { |
| SkPaint p; |
| p.setColor(SK_ColorBLUE); |
| p.setMaskFilter(fBlur.get()); |
| SkRect r = { 20, 20, 100, 100 }; |
| canvas->setDrawFilter(NULL); |
| canvas->drawRect(r, p); |
| TestFilter redNoBlur; |
| canvas->setDrawFilter(&redNoBlur); |
| canvas->translate(120.0f, 40.0f); |
| canvas->drawRect(r, p); |
| |
| // Must unset if the DrawFilter is from the stack to avoid refcount errors! |
| canvas->setDrawFilter(NULL); |
| } |
| |
| private: |
| typedef GM INHERITED; |
| }; |
| |
| static skiagm::GM* MyFactory(void*) { return new DrawFilterGM; } |
| static skiagm::GMRegistry reg(MyFactory); |
| |