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
165
166
167
168
169
170
171
|
/* vim: set ts=8 sw=8 noexpandtab: */
// qcms
// Copyright (C) 2009 Mozilla Foundation
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the Software
// is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#ifndef QCMS_H
#define QCMS_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdio.h>
struct _qcms_profile;
typedef struct _qcms_profile qcms_profile;
struct _qcms_transform;
typedef struct _qcms_transform qcms_transform;
typedef int qcms_bool;
/* ICC Section 6.1.5 Color Space Signatures (abridged) */
typedef enum {
XYZData /* ‘XYZ ’ */ = 0x58595A20,
labData /* ‘Lab ’ */ = 0x4C616220,
luvData /* ‘Luv ’ */ = 0x4C757620,
YCbCrData /* ‘YCbr' */ = 0x59436272,
YxyData /* ‘Yxy ’ */ = 0x59787920,
rgbData /* ‘RGB ’ */ = 0x52474220,
grayData /* ‘GRAY’ */ = 0x47524159,
hsvData /* ‘HSV ’ */ = 0x48535620,
hlsData /* ‘HLS ’ */ = 0x484C5320,
cmykData /* ‘CMYK’ */ = 0x434D594B,
cmyData /* ‘CMY ’ */ = 0x434D5920,
} qcms_color_space;
/* ICC Section 6.1.11 Rendering Intents */
typedef enum {
QCMS_INTENT_DEFAULT = 0,
QCMS_INTENT_PERCEPTUAL = 0,
QCMS_INTENT_RELATIVE_COLORIMETRIC = 1,
QCMS_INTENT_SATURATION = 2,
QCMS_INTENT_ABSOLUTE_COLORIMETRIC = 3
} qcms_intent;
/* Input data formats */
typedef enum {
QCMS_DATA_RGB_8,
QCMS_DATA_RGBA_8,
QCMS_DATA_GRAY_8,
QCMS_DATA_GRAYA_8
} qcms_data_type;
/* Output data format for qcms_transform_data_type() */
typedef enum {
QCMS_OUTPUT_RGBX,
QCMS_OUTPUT_BGRX
} qcms_output_type;
/* Output data format for qcms_transform_get_input|output_trc_rgba() */
typedef enum {
QCMS_TRC_PARAMETRIC, // Not implemented.
QCMS_TRC_FLOAT, // Not implemented.
QCMS_TRC_HALF_FLOAT, // IEE754: binary16.
QCMS_TRC_USHORT, // 0.16 fixed point.
} qcms_trc_type;
typedef struct {
double x;
double y;
double Y;
} qcms_CIE_xyY;
typedef struct {
qcms_CIE_xyY red;
qcms_CIE_xyY green;
qcms_CIE_xyY blue;
} qcms_CIE_xyYTRIPLE;
typedef struct {
float X;
float Y;
float Z;
} qcms_xyz_float;
qcms_profile* qcms_profile_create_rgb_with_gamma(
qcms_CIE_xyY white_point,
qcms_CIE_xyYTRIPLE primaries,
float gamma);
qcms_profile* qcms_profile_from_memory(const void *mem, size_t size);
qcms_profile* qcms_profile_from_file(FILE *file);
qcms_profile* qcms_profile_from_path(const char *path);
#ifdef _WIN32
qcms_profile* qcms_profile_from_unicode_path(const wchar_t *path);
#endif
qcms_profile* qcms_profile_sRGB(void);
void qcms_profile_release(qcms_profile *profile);
qcms_bool qcms_profile_is_bogus(qcms_profile *profile);
qcms_bool qcms_profile_has_white_point(qcms_profile *profile);
qcms_xyz_float qcms_profile_get_white_point(qcms_profile *profile);
qcms_intent qcms_profile_get_rendering_intent(qcms_profile *profile);
qcms_color_space qcms_profile_get_color_space(qcms_profile *profile);
unsigned qcms_profile_get_version(qcms_profile *profile);
qcms_bool qcms_profile_white_transform(qcms_profile *profile, float XYZ[3]);
qcms_bool qcms_profile_match(qcms_profile *p1, qcms_profile *p2);
const char* qcms_profile_get_description(qcms_profile *profile);
void qcms_profile_precache_output_transform(qcms_profile *profile);
size_t qcms_profile_get_vcgt_channel_length(qcms_profile *profile);
qcms_bool qcms_profile_get_vcgt_rgb_channels(qcms_profile *profile, unsigned short *data);
float qcms_profile_ntsc_relative_gamut_size(qcms_profile *profile);
qcms_transform* qcms_transform_create(
qcms_profile *in, qcms_data_type in_type,
qcms_profile *out, qcms_data_type out_type,
qcms_intent intent);
size_t qcms_transform_get_input_trc_rgba(
qcms_transform *transform, qcms_profile *in, qcms_trc_type type, unsigned short *data);
size_t qcms_transform_get_output_trc_rgba(
qcms_transform *transform, qcms_profile *out, qcms_trc_type type, unsigned short *data);
qcms_bool qcms_transform_is_matrix(qcms_transform *transform);
float qcms_transform_get_matrix(qcms_transform *transform, unsigned i, unsigned j);
qcms_bool qcms_transform_create_LUT_zyx_bgra(
qcms_profile *in, qcms_profile *out, qcms_intent intent,
int samples, unsigned char* lut);
void qcms_transform_data(qcms_transform *transform, void *src, void *dest, size_t length);
void qcms_transform_data_type(qcms_transform *transform, void *src, void *dest, size_t length, qcms_output_type type);
void qcms_transform_release(qcms_transform *);
void qcms_enable_iccv4();
#ifdef __cplusplus
}
#endif
/*
* In general, QCMS is not threadsafe. However, it should be safe to create
* profile and transformation objects on different threads, so long as you
* don't use the same objects on different threads at the same time.
*/
#endif
|
