27 lines
767 B
Mathematica
27 lines
767 B
Mathematica
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// UIColor+Extension.m
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// Monal
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//
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// Created by Thilo Molitor on 04.11.21.
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// Copyright © 2021 Monal.im. All rights reserved.
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//
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#import "UIColor+Extension.h"
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@implementation UIColor (Extension)
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-(BOOL) isLightColor
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{
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CGFloat colorBrightness = 0;
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CGColorSpaceRef colorSpace = CGColorGetColorSpace(self.CGColor);
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CGColorSpaceModel colorSpaceModel = CGColorSpaceGetModel(colorSpace);
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if(colorSpaceModel == kCGColorSpaceModelRGB)
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{
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const CGFloat* componentColors = CGColorGetComponents(self.CGColor);
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colorBrightness = ((componentColors[0] * 299) + (componentColors[1] * 587) + (componentColors[2] * 114)) / 1000;
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}
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else
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[self getWhite:&colorBrightness alpha:0];
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return (colorBrightness >= .5f);
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}
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@end
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