21 lines
		
	
	
		
			928 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			21 lines
		
	
	
		
			928 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=74ef460f89ed5904334d0f8883e781c4
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REG_FIDDLE(Pixmap_writable_addr, 256, 256, true, 0) {
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void draw(SkCanvas* canvas) {
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    const int w = 4;
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    const int h = 4;
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    SkPMColor storage[w * h * 4];
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    SkPixmap pixmap(SkImageInfo::MakeN32(w, h, kPremul_SkAlphaType), storage, w * 4);
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    SkDebugf("pixmap.writable_addr() %c= (void *)storage\n",
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              pixmap.writable_addr()  == (void *)storage ? '=' : '!');
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    pixmap.erase(0x00000000);
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    *(SkPMColor*)pixmap.writable_addr() = 0xFFFFFFFF;
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    SkDebugf("pixmap.getColor(0, 1) %c= 0x00000000\n",
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              pixmap.getColor(0, 1)  == 0x00000000 ? '=' : '!');
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    SkDebugf("pixmap.getColor(0, 0) %c= 0xFFFFFFFF\n",
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              pixmap.getColor(0, 0)  == 0xFFFFFFFF ? '=' : '!');
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}
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}  // END FIDDLE
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