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