17 lines
		
	
	
		
			706 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			17 lines
		
	
	
		
			706 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=6b4562c7052da94f3d5b2412dca41946
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| REG_FIDDLE(Matrix_Concat, 256, 64, false, 4) {
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| void draw(SkCanvas* canvas) {
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|     SkMatrix matrix, matrix2;
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|     SkPoint bitmapBounds[4], perspect[4] = {{50, 10}, {180, 40}, {236, 176}, {10, 206}};
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|     SkRect::Make(image->bounds()).toQuad(bitmapBounds);
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|     matrix.setPolyToPoly(bitmapBounds, perspect, 4);
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|     matrix2.setPolyToPoly(perspect, bitmapBounds, 4);
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|     SkMatrix concat = SkMatrix::Concat(matrix, matrix2);
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|     canvas->concat(concat);
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|     canvas->drawImage(image, 0, 0);
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| }
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| }  // END FIDDLE
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