25 lines
		
	
	
		
			893 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			25 lines
		
	
	
		
			893 B
		
	
	
	
		
			C++
		
	
	
	
// Copyright 2020 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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REG_FIDDLE(radial_gradient_test, 256, 256, false, 0) {
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void draw(SkCanvas* canvas) {
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#define SIZE 121
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    SkScalar half = SIZE * 0.5f;
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    const SkColor preColor = 0xFFFF0000;   // clamp color before start
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    const SkColor postColor = 0xFF0000FF;  // clamp color after end
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    const SkColor color0 = 0xFF000000;
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    const SkColor color1 = 0xFF00FF00;
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    SkColor cs[] = {preColor, color0, color1, postColor};
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    SkScalar pos[] = {0, 0, 1, 1};
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    auto s = SkGradientShader::MakeRadial({half, half}, half - 10, cs, pos, 4,
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                                          SkTileMode::kClamp);
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    SkPaint p;
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    const SkRect rect = SkRect::MakeWH(SIZE, SIZE);
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    p.setShader(s);
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    canvas->drawRect(rect, p);
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}
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}  // END FIDDLE
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