ObjFW  Diff

Differences From Artifact [ff82ab6aae]:

To Artifact [2f23670cfa]:


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16


17
18
19

20
21
22































































































23

























24
25
26
27
28
29

30
31
32
33
34
35
36
37
38
39
40
/*
 * Copyright (c) 2008-2022 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 "OFColor.h"
#import "OFOnce.h"


#import "OFInvalidArgumentException.h"
































































































@implementation OFColor

























#define PREDEFINED_COLOR(name, redValue, greenValue, blueValue)		   \
	static OFColor *name##Color = nil;				   \
									   \
	static void							   \
	initPredefinedColor_##name(void)				   \
	{								   \

		name##Color = [[OFColor alloc] initWithRed: redValue	   \
						     green: greenValue	   \
						      blue: blueValue	   \
						     alpha: 1];		   \
	}								   \
									   \
	+ (OFColor *)name						   \
	{								   \
		static OFOnceControl onceControl = OFOnceControlInitValue; \
		OFOnce(&onceControl, initPredefinedColor_##name);	   \
									   \

|














>
>



>



>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>

>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>






>
|
|
|
|







1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
/*
 * 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"

#include <math.h>

#import "OFColor.h"
#import "OFOnce.h"
#import "OFString.h"

#import "OFInvalidArgumentException.h"

@interface OFColor ()
+ (instancetype)of_alloc;
@end

@interface OFColorSingleton: OFColor
@end

@interface OFColorPlaceholder: OFColorSingleton
@end

#ifdef OF_OBJFW_RUNTIME
@interface OFTaggedPointerColor: OFColorSingleton
@end

static const float allowedImprecision = 0.0000001;
#endif

static struct {
	Class isa;
} placeholder;

#ifdef OF_OBJFW_RUNTIME
static int colorTag;
#endif

@implementation OFColorSingleton
- (instancetype)autorelease
{
	return self;
}

- (instancetype)retain
{
	return self;
}

- (void)release
{
}

- (unsigned int)retainCount
{
	return OFMaxRetainCount;
}
@end

@implementation OFColorPlaceholder
- (instancetype)initWithRed: (float)red
		      green: (float)green
		       blue: (float)blue
		      alpha: (float)alpha
{
#ifdef OF_OBJFW_RUNTIME
	uint8_t redInt = nearbyintf(red * 255);
	uint8_t greenInt = nearbyintf(green * 255);
	uint8_t blueInt = nearbyintf(blue * 255);

	if (fabsf(red * 255 - redInt) < allowedImprecision &&
	    fabsf(green * 255 - greenInt) < allowedImprecision &&
	    fabsf(blue * 255 - blueInt) < allowedImprecision && alpha == 1) {
		id ret = objc_createTaggedPointer(colorTag,
		    (uintptr_t)redInt << 16 | (uintptr_t)greenInt << 8 |
		    (uintptr_t)blueInt);

		if (ret != nil)
			return ret;
	}
#endif

	return (id)[[OFColor of_alloc] initWithRed: red
					     green: green
					      blue: blue
					     alpha: alpha];
}
@end

#ifdef OF_OBJFW_RUNTIME
@implementation OFTaggedPointerColor
- (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;
}
@end
#endif

@implementation OFColor
+ (void)initialize
{
	if (self != [OFColor class])
		return;

	placeholder.isa = [OFColorPlaceholder class];
#ifdef OF_OBJFW_RUNTIME
	colorTag =
	    objc_registerTaggedPointerClass([OFTaggedPointerColor class]);
#endif
}

+ (instancetype)of_alloc
{
	return [super alloc];
}

+ (instancetype)alloc
{
	if (self == [OFColor class])
		return (id)&placeholder;

	return [super alloc];
}

#define PREDEFINED_COLOR(name, redValue, greenValue, blueValue)		   \
	static OFColor *name##Color = nil;				   \
									   \
	static void							   \
	initPredefinedColor_##name(void)				   \
	{								   \
		name##Color = [[OFColorSingleton alloc]			   \
		    initWithRed: redValue				   \
			  green: greenValue				   \
			   blue: blueValue				   \
			  alpha: 1];					   \
	}								   \
									   \
	+ (OFColor *)name						   \
	{								   \
		static OFOnceControl onceControl = OFOnceControlInitValue; \
		OFOnce(&onceControl, initPredefinedColor_##name);	   \
									   \
155
156
157
158
159
160
161











162
	*red = _red;
	*green = _green;
	*blue = _blue;

	if (alpha != NULL)
		*alpha = _alpha;
}











@end







>
>
>
>
>
>
>
>
>
>
>

279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
	*red = _red;
	*green = _green;
	*blue = _blue;

	if (alpha != NULL)
		*alpha = _alpha;
}

- (OFString *)description
{
	float red, green, blue, alpha;

	[self getRed: &red green: &green blue: &blue alpha: &alpha];

	return [OFString stringWithFormat:
	    @"<%@ red=%f green=%f blue=%f alpha=%f>",
	    self.class, red, green, blue, alpha];
}
@end