1 /* 2 * Copyright 2018 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "gm.h" 9 10 #include "SkArithmeticImageFilter.h" 11 #include "SkBlurImageFilter.h" 12 #include "SkImageSource.h" 13 #include "SkMorphologyImageFilter.h" 14 #include "SkSurface.h" 15 #include "SkXfermodeImageFilter.h" 16 17 DEF_SIMPLE_GM(crbug_905548, canvas, 100, 200) { 18 auto surface = canvas->makeSurface(SkImageInfo::MakeN32Premul(100, 100)); 19 if (!surface) { 20 surface = SkSurface::MakeRaster(SkImageInfo::MakeN32Premul(100, 100)); 21 } 22 surface->getCanvas()->clear(0); 23 surface->getCanvas()->drawCircle(50, 50, 45, SkPaint()); 24 auto imageSource = SkImageSource::Make(surface->makeImageSnapshot()); 25 26 auto blurred = SkBlurImageFilter::Make(15, 15, imageSource); 27 auto eroded = SkErodeImageFilter::Make(0, 0, blurred); 28 auto blended = SkXfermodeImageFilter::Make(SkBlendMode::kDstOut, eroded, imageSource, nullptr); 29 30 SkPaint paint; 31 paint.setImageFilter(blended); 32 canvas->drawRect(SkRect::MakeWH(100, 100), paint); 33 34 auto mult = SkArithmeticImageFilter::Make(1, 0, 0, 0, false, eroded, imageSource, nullptr); 35 paint.setImageFilter(mult); 36 canvas->translate(0, 100); 37 canvas->drawRect(SkRect::MakeWH(100, 100), paint); 38 } 39
