33 lines
1.6 KiB
Objective-C
33 lines
1.6 KiB
Objective-C
//
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// hsluv_objc.h
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// hsluv-objc
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//
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// Created by Roger Tallada on 4/6/15.
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// Copyright (c) 2015 Alexei Boronine
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//
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#import <Foundation/Foundation.h>
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#import <CoreGraphics/CoreGraphics.h>
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#ifndef hsluv_objc_h
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#define hsluv_objc_h
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// Accepts red, green and blue values between 0 and 1, returns the color in hex format, as in "#012C4A"
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NSString *rgbToHex(CGFloat red, CGFloat green, CGFloat blue);
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// Accepts an hex color, as in "#012C4A", and stores its red, green and blue components with values between 0 and 1.
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BOOL hexToRgb(NSString *hex, CGFloat *red, CGFloat *green, CGFloat *blue);
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// Hue is a value between 0 and 360, saturation and lightness between 0 and 100. Stores the RGB in values between 0 and 1.
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void hsluvToRgb(CGFloat hue, CGFloat saturation, CGFloat lightness, CGFloat *red, CGFloat *green, CGFloat *blue);
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// Red, green and blue values between 0 and 1, stores the hsluv components with hue between 0 and 360, saturation and lightness between 0 and 100.
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void rgbToHsluv(CGFloat red, CGFloat green, CGFloat blue, CGFloat *hue, CGFloat *saturation, CGFloat *lightness);
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// Hue is a value between 0 and 360, saturation and lightness between 0 and 100. Stores the RGB in values between 0 and 1.
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void hpluvToRgb(CGFloat hue, CGFloat saturation, CGFloat lightness, CGFloat *red, CGFloat *green, CGFloat *blue);
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// Red, green and blue values between 0 and 1, stores the hpluv components with hue between 0 and 360, saturation and lightness between 0 and 100.
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void rgbToHpluv(CGFloat red, CGFloat green, CGFloat blue, CGFloat *hue, CGFloat *saturation, CGFloat *lightness);
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#endif |