| /* |
| * Copyright 2018 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/SkBlendMode.h" |
| #include "include/core/SkCanvas.h" |
| #include "include/core/SkImage.h" |
| #include "include/core/SkImageFilter.h" |
| #include "include/core/SkImageInfo.h" |
| #include "include/core/SkPaint.h" |
| #include "include/core/SkRect.h" |
| #include "include/core/SkRefCnt.h" |
| #include "include/core/SkSurface.h" |
| #include "include/effects/SkImageFilters.h" |
| |
| DEF_SIMPLE_GM(crbug_905548, canvas, 100, 200) { |
| auto surface = canvas->makeSurface(SkImageInfo::MakeN32Premul(100, 100)); |
| if (!surface) { |
| surface = SkSurfaces::Raster(SkImageInfo::MakeN32Premul(100, 100)); |
| } |
| surface->getCanvas()->clear(0); |
| surface->getCanvas()->drawCircle(50, 50, 45, SkPaint()); |
| auto imageSource = SkImageFilters::Image(surface->makeImageSnapshot(), SkFilterMode::kNearest); |
| |
| auto blurred = SkImageFilters::Blur(15, 15, imageSource); |
| auto eroded = SkImageFilters::Erode(0, 0, blurred); |
| auto blended = SkImageFilters::Blend(SkBlendMode::kDstOut, eroded, imageSource, nullptr); |
| |
| SkPaint paint; |
| paint.setImageFilter(blended); |
| canvas->drawRect(SkRect::MakeWH(100, 100), paint); |
| |
| auto mult = SkImageFilters::Arithmetic(1, 0, 0, 0, false, eroded, imageSource, nullptr); |
| paint.setImageFilter(mult); |
| canvas->translate(0, 100); |
| canvas->drawRect(SkRect::MakeWH(100, 100), paint); |
| } |