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26 lines
909 B
26 lines
909 B
1 year ago
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//
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// SVRadialGradientLayer.m
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// SVProgressHUD, https://github.com/SVProgressHUD/SVProgressHUD
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//
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// Copyright (c) 2014-2019 Tobias Tiemerding. All rights reserved.
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//
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#import "SVRadialGradientLayer.h"
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@implementation SVRadialGradientLayer
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- (void)drawInContext:(CGContextRef)context {
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size_t locationsCount = 2;
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CGFloat locations[2] = {0.0f, 1.0f};
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CGFloat colors[8] = {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.75f};
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CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
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CGGradientRef gradient = CGGradientCreateWithColorComponents(colorSpace, colors, locations, locationsCount);
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CGColorSpaceRelease(colorSpace);
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float radius = MIN(self.bounds.size.width , self.bounds.size.height);
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CGContextDrawRadialGradient (context, gradient, self.gradientCenter, 0, self.gradientCenter, radius, kCGGradientDrawsAfterEndLocation);
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CGGradientRelease(gradient);
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}
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@end
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