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
|
#include "mupdf/fitz.h"
/* Return non-null terminated pointers to key/value entries in comma separated
* option string. A plain key has the default value 'yes'. Use strncmp to compare
* key/value strings. */
static const char *
fz_get_option(fz_context *ctx, const char **key, const char **val, const char *opts)
{
if (!opts || *opts == 0)
return NULL;
if (*opts == ',')
++opts;
*key = opts;
while (*opts != 0 && *opts != ',' && *opts != '=')
++opts;
if (*opts == '=')
{
*val = ++opts;
while (*opts != 0 && *opts != ',')
++opts;
}
else
{
*val = "yes";
}
return opts;
}
int
fz_has_option(fz_context *ctx, const char *opts, const char *key, const char **val)
{
const char *straw;
size_t n = strlen(key);
while ((opts = fz_get_option(ctx, &straw, val, opts)))
if (!strncmp(straw, key, n) && (straw[n] == '=' || straw[n] == ',' || straw[n] == 0))
return 1;
return 0;
}
int
fz_option_eq(const char *a, const char *b)
{
size_t n = strlen(b);
return !strncmp(a, b, n) && (a[n] == ',' || a[n] == 0);
}
fz_document_writer *
fz_new_document_writer(fz_context *ctx, const char *path, const char *format, const char *options)
{
if (!format)
{
format = strrchr(path, '.');
if (!format)
fz_throw(ctx, FZ_ERROR_GENERIC, "cannot detect document format");
format += 1; /* skip the '.' */
}
if (!fz_strcasecmp(format, "cbz"))
return fz_new_cbz_writer(ctx, path, options);
if (!fz_strcasecmp(format, "png"))
return fz_new_png_writer(ctx, path, options);
#if FZ_ENABLE_PDF
if (!fz_strcasecmp(format, "pdf"))
return fz_new_pdf_writer(ctx, path, options);
#endif
fz_throw(ctx, FZ_ERROR_GENERIC, "unknown output document format: %s", format);
}
void
fz_close_document_writer(fz_context *ctx, fz_document_writer *wri)
{
if (wri->close_writer)
wri->close_writer(ctx, wri);
wri->close_writer = NULL;
}
void
fz_drop_document_writer(fz_context *ctx, fz_document_writer *wri)
{
if (!wri)
return;
if (wri->close_writer)
fz_warn(ctx, "dropping unclosed document writer");
if (wri->drop_writer)
wri->drop_writer(ctx, wri);
fz_free(ctx, wri);
}
fz_device *
fz_begin_page(fz_context *ctx, fz_document_writer *wri, const fz_rect *mediabox)
{
return wri->begin_page(ctx, wri, mediabox);
}
void
fz_end_page(fz_context *ctx, fz_document_writer *wri, fz_device *dev)
{
wri->end_page(ctx, wri, dev);
}
|
