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//
// NSColor+UKBrightenDarken.m
// UKBorderlessWidgetizedWindow
//
// Created by Uli Kusterer on 27.10.09.
// Copyright 2009 Uli Kusterer.
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
#import "NSColor+UKBrightenDarken.h"
@implementation NSColor (UKBrightenDarken)
-(NSColor*) brightenColorBy: (CGFloat)percentage
{
NSColor* hsbColor = [self colorUsingColorSpaceName: NSCalibratedRGBColorSpace];
return [NSColor colorWithCalibratedHue: [hsbColor hueComponent] saturation: [hsbColor saturationComponent]
brightness: [hsbColor brightnessComponent] +[hsbColor brightnessComponent] *percentage alpha: [hsbColor alphaComponent]];
}
-(NSColor*) darkenColorBy: (CGFloat)percentage
{
NSColor* hsbColor = [self colorUsingColorSpaceName: NSCalibratedRGBColorSpace];
return [NSColor colorWithCalibratedHue: [hsbColor hueComponent] saturation: [hsbColor saturationComponent]
brightness: [hsbColor brightnessComponent] -[hsbColor brightnessComponent] *percentage alpha: [hsbColor alphaComponent]];
}
@end
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