summaryrefslogtreecommitdiff
path: root/extensions/u16.c
blob: ad0a35acd54f5ce7877baaab3f506fd2ee681a99 (plain)
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
/* babl - dynamically extendable universal pixel conversion library.
 * Copyright (C) 2016, Øyvind Kolås.
 *
 * 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 3 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
 * Lesser 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, see
 * <http://www.gnu.org/licenses/>.
 */

#include "config.h"
#include <stdio.h>
#include <stdint.h>

#include "babl.h"

#include "base/util.h"
#include "extensions/util.h"

static void
conv_rgbu16_rgbau16 (const Babl *conversion,unsigned char *src, 
                     unsigned char *dst, 
                     long           samples)


{
  uint16_t *src16 = (uint16_t*) src;
  uint16_t *dst16 = (uint16_t*) dst;
  long n = samples;

  while (n--)
    {
      *dst16++ = *src16++;
      *dst16++ = *src16++;
      *dst16++ = *src16++;
      *dst16++ = 0xffff;
    }
}

static void
conv_yu16_yau16 (const Babl *conversion,unsigned char *src, 
                 unsigned char *dst, 
                 long           samples)


{
  uint16_t *src16 = (uint16_t*) src;
  uint16_t *dst16 = (uint16_t*) dst;
  long n = samples;

  while (n--)
    {
      *dst16++ = *src16++;
      *dst16++ = 0xffff;
    }
}

int init (void);

int
init (void)
{
  babl_conversion_new (
    babl_format ("R'G'B' u16"),
    babl_format ("R'G'B'A u16"),
    "linear",
    conv_rgbu16_rgbau16,
    NULL);

  babl_conversion_new (
    babl_format ("Y' u16"),
    babl_format ("Y'A u16"),
    "linear",
    conv_yu16_yau16,
    NULL);

  babl_conversion_new (
    babl_format ("RGB u16"),
    babl_format ("RGBA u16"),
    "linear",
    conv_rgbu16_rgbau16,
    NULL);

  babl_conversion_new (
    babl_format ("Y u16"),
    babl_format ("YA u16"),
    "linear",
    conv_yu16_yau16,
    NULL);
  return 0;
}