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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