24 lines
		
	
	
		
			912 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			912 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=c717491f9251604724c9cbde7088ec20
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REG_FIDDLE(Bitmap_allocN32Pixels, 256, 256, false, 0) {
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void draw(SkCanvas* canvas) {
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    SkRandom random;
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    SkBitmap bitmap;
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    bitmap.allocN32Pixels(64, 64);
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    bitmap.eraseColor(SK_ColorTRANSPARENT);
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    for (int y = 0; y < 256; y += 64) {
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        for (int x = 0; x < 256; x += 64) {
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            SkColor color = random.nextU();
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            uint32_t w = random.nextRangeU(4, 32);
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            uint32_t cx = random.nextRangeU(0, 64 - w);
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            uint32_t h = random.nextRangeU(4, 32);
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            uint32_t cy = random.nextRangeU(0, 64 - h);
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            bitmap.erase(color, SkIRect::MakeXYWH(cx, cy, w, h));
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            canvas->drawImage(bitmap.asImage(), x, y);
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        }
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    }
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}
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}  // END FIDDLE
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