/*
* Copyright (c) 2008-2023 Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#import "OFTaggedPointerColor.h"
static int colorTag;
@implementation OFTaggedPointerColor
+ (void)initialize
{
if (self == [OFTaggedPointerColor class])
colorTag = objc_registerTaggedPointerClass(self);
}
+ (OFTaggedPointerColor *)colorWithRed: (uint8_t)red
green: (uint8_t)green
blue: (uint8_t)blue
{
return objc_createTaggedPointer(colorTag,
(uintptr_t)red << 16 | (uintptr_t)green << 8 | (uintptr_t)blue);
}
- (void)getRed: (float *)red
green: (float *)green
blue: (float *)blue
alpha: (float *)alpha
{
uintptr_t value = object_getTaggedPointerValue(self);
*red = (float)(value >> 16) / 255;
*green = (float)((value >> 8) & 0xFF) / 255;
*blue = (float)(value & 0xFF) / 255;
if (alpha != NULL)
*alpha = 1;
}
OF_SINGLETON_METHODS
@end