42 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			42 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C++
		
	
	
	
| /*
 | |
|  * 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 = SkSurface::MakeRaster(SkImageInfo::MakeN32Premul(100, 100));
 | |
|     }
 | |
|     surface->getCanvas()->clear(0);
 | |
|     surface->getCanvas()->drawCircle(50, 50, 45, SkPaint());
 | |
|     auto imageSource = SkImageFilters::Image(surface->makeImageSnapshot());
 | |
| 
 | |
|     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);
 | |
| }
 |