24 lines
		
	
	
		
			830 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			830 B
		
	
	
	
		
			C++
		
	
	
	
| // Copyright 2019 Google LLC.
 | |
| // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
 | |
| #include "tools/fiddle/examples.h"
 | |
| // HASH=918a9778c3d7d5cb306692784399f6dc
 | |
| REG_FIDDLE(Matrix_mapVectors, 256, 256, false, 0) {
 | |
| void draw(SkCanvas* canvas) {
 | |
|     SkPaint paint;
 | |
|     paint.setAntiAlias(true);
 | |
|     paint.setStyle(SkPaint::kStroke_Style);
 | |
|     SkMatrix matrix;
 | |
|     matrix.reset();
 | |
|     const SkVector radii[] = {{8, 4}, {9, 1}, {6, 2}, {7, 3}};
 | |
|     for (int i = 0; i < 4; ++i) {
 | |
|         SkVector rScaled[4];
 | |
|         matrix.preScale(1.5f, 2.f);
 | |
|         matrix.mapVectors(rScaled, radii, SK_ARRAY_COUNT(radii));
 | |
|         SkRRect rrect;
 | |
|         rrect.setRectRadii({20, 20, 180, 70}, rScaled);
 | |
|         canvas->drawRRect(rrect, paint);
 | |
|         canvas->translate(0, 60);
 | |
|     }
 | |
| }
 | |
| }  // END FIDDLE
 |