18 lines
		
	
	
		
			685 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			18 lines
		
	
	
		
			685 B
		
	
	
	
		
			C++
		
	
	
	
| // Copyright 2019 Google LLC.
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| // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
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| #include "tools/fiddle/examples.h"
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| // HASH=be9574c4a14f891e1abb4ec2b1e51d6c
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| REG_FIDDLE(Surface_notifyContentWillChange, 256, 256, true, 0) {
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| void draw(SkCanvas* canvas) {
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|     auto surface = SkSurface::MakeRasterN32Premul(1, 1);
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|     for (int i = 0; i < 3; ++i) {
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|         SkDebugf("surface generationID: %d\n", surface->generationID());
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|         if (0 == i) {
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|             surface->getCanvas()->drawColor(SK_ColorBLACK);
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|         } else {
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|             surface->notifyContentWillChange(SkSurface::kDiscard_ContentChangeMode);
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|         }
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|     }
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| }
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| }  // END FIDDLE
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