/*
* Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3.0 only,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* version 3.0 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* version 3.0 along with this program. If not, see
* <https://www.gnu.org/licenses/>.
*/
#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