17 lines
		
	
	
		
			658 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			17 lines
		
	
	
		
			658 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=29b98ebf58aa9fd1edfaabf9f4490b3a
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| REG_FIDDLE(Canvas_writePixels, 256, 256, false, 0) {
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| void draw(SkCanvas* canvas) {
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|     SkImageInfo imageInfo = SkImageInfo::MakeN32(256, 1, kPremul_SkAlphaType);
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|     for (int y = 0; y < 256; ++y) {
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|         uint32_t pixels[256];
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|         for (int x = 0; x < 256; ++x) {
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|             pixels[x] = SkColorSetARGB(x, (x + y) % 256, x, (x - y) & 0xFF);
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|         }
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|         canvas->writePixels(imageInfo, &pixels, sizeof(pixels), 0, y);
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|     }
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| }
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| }  // END FIDDLE
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