23 lines
		
	
	
		
			953 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			23 lines
		
	
	
		
			953 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=d4b35a9d24c32c042bd1f529b8de3c0d
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| REG_FIDDLE(Canvas_drawImageRect_4, 256, 64, false, 0) {
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| void draw(SkCanvas* canvas) {
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|     uint32_t pixels[][2] = { { SK_ColorBLACK, SK_ColorWHITE },
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|                              { SK_ColorWHITE, SK_ColorBLACK } };
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|     SkBitmap bitmap;
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|     bitmap.installPixels(SkImageInfo::MakeN32Premul(2, 2),
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|             (void*) pixels, sizeof(pixels[0]));
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|     sk_sp<SkImage> image = bitmap.asImage();
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|     SkPaint paint;
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|     canvas->scale(4, 4);
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|     for (auto alpha : { 50, 100, 150, 255 } ) {
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|         paint.setAlpha(alpha);
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|         canvas->drawImageRect(image, SkRect::MakeWH(2, 2), SkRect::MakeWH(8, 8),
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|                               SkSamplingOptions(), &paint, SkCanvas::kStrict_SrcRectConstraint);
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|         canvas->translate(8, 0);
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|     }
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| }
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| }  // END FIDDLE
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