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
|
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include "readers.h"
/* ----------------------------------------------------------------------- */
void load_bits_lsb(unsigned char *dst, unsigned char *src, int width,
int on, int off)
{
int i,mask,bit;
for (i = 0; i < width; i++) {
mask = 1 << (i & 0x07);
bit = src[i>>3] & mask;
dst[0] = bit ? on : off;
dst[1] = bit ? on : off;
dst[2] = bit ? on : off;
dst += 3;
}
}
void load_bits_msb(unsigned char *dst, unsigned char *src, int width,
int on, int off)
{
int i,mask,bit;
for (i = 0; i < width; i++) {
mask = 1 << (7 - (i & 0x07));
bit = src[i>>3] & mask;
dst[0] = bit ? on : off;
dst[1] = bit ? on : off;
dst[2] = bit ? on : off;
dst += 3;
}
}
void load_gray(unsigned char *dst, unsigned char *src, int width)
{
int i;
for (i = 0; i < width; i++) {
dst[0] = src[0];
dst[1] = src[0];
dst[2] = src[0];
dst += 3;
src += 1;
}
}
void load_graya(unsigned char *dst, unsigned char *src, int width)
{
int i;
for (i = 0; i < width; i++) {
dst[0] = src[0];
dst[1] = src[0];
dst[2] = src[0];
dst += 3;
src += 2;
}
}
void load_rgba(unsigned char *dst, unsigned char *src, int width)
{
int i;
for (i = 0; i < width; i++) {
dst[0] = src[0];
dst[1] = src[1];
dst[2] = src[2];
dst += 3;
src += 4;
}
}
/* ----------------------------------------------------------------------- */
int load_add_extra(struct ida_image_info *info, enum ida_extype type,
unsigned char *data, unsigned int size)
{
struct ida_extra *extra;
extra = malloc(sizeof(*extra));
if (NULL == extra)
return -1;
memset(extra,0,sizeof(*extra));
extra->data = malloc(size);
if (NULL == extra->data) {
free(extra);
return -1;
}
extra->type = type;
extra->size = size;
memcpy(extra->data,data,size);
extra->next = info->extra;
info->extra = extra;
return 0;
};
struct ida_extra* load_find_extra(struct ida_image_info *info,
enum ida_extype type)
{
struct ida_extra *extra;
for (extra = info->extra; NULL != extra; extra = extra->next)
if (type == extra->type)
return extra;
return NULL;
}
int load_free_extras(struct ida_image_info *info)
{
struct ida_extra *next;
while (NULL != info->extra) {
next = info->extra->next;
free(info->extra->data);
free(info->extra);
info->extra = next;
}
return 0;
}
/* ----------------------------------------------------------------------- */
LIST_HEAD(loaders);
void load_register(struct ida_loader *loader)
{
list_add_tail(&loader->list, &loaders);
}
|
