29 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			29 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			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=3ba94448a4ba48f926e643baeb5b1016
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| REG_FIDDLE(Path_ConvertConicToQuads, 256, 256, false, 0) {
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| void draw(SkCanvas* canvas) {
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|       SkPaint conicPaint;
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|       conicPaint.setAntiAlias(true);
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|       conicPaint.setStyle(SkPaint::kStroke_Style);
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|       SkPaint quadPaint(conicPaint);
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|       quadPaint.setColor(SK_ColorRED);
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|       SkPoint conic[] = { {20, 170}, {80, 170}, {80, 230} };
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|       for (auto weight : { .25f, .5f, .707f, .85f, 1.f } ) {
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|           SkPoint quads[5];
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|           SkPath::ConvertConicToQuads(conic[0], conic[1], conic[2], weight, quads, 1);
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|           SkPath path;
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|           path.moveTo(conic[0]);
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|           path.conicTo(conic[1], conic[2], weight);
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|           canvas->drawPath(path, conicPaint);
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|           path.rewind();
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|           path.moveTo(quads[0]);
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|           path.quadTo(quads[1], quads[2]);
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|           path.quadTo(quads[3], quads[4]);
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|           canvas->drawPath(path, quadPaint);
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|           canvas->translate(50, -50);
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|       }
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| }
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| }  // END FIDDLE
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