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
|
/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <glib-object.h>
#include "gimpcolortypes.h"
#include "gimphsv.h"
/*
* GIMP_TYPE_HSV
*/
static GimpHSV * gimp_hsv_copy (const GimpHSV *hsv);
GType
gimp_hsv_get_type (void)
{
static GType hsv_type = 0;
if (!hsv_type)
hsv_type = g_boxed_type_register_static ("GimpHSV",
(GBoxedCopyFunc) gimp_hsv_copy,
(GBoxedFreeFunc) g_free);
return hsv_type;
}
static GimpHSV *
gimp_hsv_copy (const GimpHSV *hsv)
{
return g_memdup (hsv, sizeof (GimpHSV));
}
/* HSV functions */
void
gimp_hsv_set (GimpHSV *hsv,
gdouble h,
gdouble s,
gdouble v)
{
g_return_if_fail (hsv != NULL);
hsv->h = h;
hsv->s = s;
hsv->v = v;
}
void
gimp_hsv_clamp (GimpHSV *hsv)
{
g_return_if_fail (hsv != NULL);
hsv->h -= (gint) hsv->h;
if (hsv->h < 0)
hsv->h += 1.0;
hsv->s = CLAMP (hsv->s, 0.0, 1.0);
hsv->v = CLAMP (hsv->v, 0.0, 1.0);
hsv->a = CLAMP (hsv->a, 0.0, 1.0);
}
void
gimp_hsva_set (GimpHSV *hsva,
gdouble h,
gdouble s,
gdouble v,
gdouble a)
{
g_return_if_fail (hsva != NULL);
hsva->h = h;
hsva->s = s;
hsva->v = v;
hsva->a = a;
}
|