Mercurial > hgrepos > Python2 > PyMuPDF

comparison mupdf-source/scripts/cmapcleanz.c @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1:1d09e1dec1d9 2:b50eed0cc0ef
1 /* cmapclean.c -- parse a CMap file and write it back out */
2
3 #include <stdio.h>
4 #include <string.h>
5
6 #include "mupdf/pdf.h"
7
8 void pc(unsigned int c)
9 {
10 if (c <= 0xff) printf("<%02x>", c);
11 else if (c <= 0xffff) printf("<%04x>", c);
12 else if (c <= 0xffffff) printf("<%06x>", c);
13 else printf("<%08x>", c);
14 }
15
16 int
17 main(int argc, char **argv)
18 {
19 fz_context *ctx;
20 fz_stream *fi;
21 pdf_cmap *cmap;
22 int k, m;
23 int ns, nr;
24
25 if (argc != 2)
26 {
27 fprintf(stderr, "usage: cmapclean input.cmap\n");
28 return 1;
29 }
30
31 ctx = fz_new_context(NULL, NULL, FZ_STORE_UNLIMITED);
32 if (!ctx)
33 {
34 fprintf(stderr, "cannot initialise context\n");
35 return 1;
36 }
37
38 fi = fz_open_file(ctx, argv[1]);
39 cmap = pdf_load_cmap(ctx, fi);
40 fz_drop_stream(ctx, fi);
41
42 printf("begincmap\n");
43 printf("/CMapName /%s def\n", cmap->cmap_name);
44 printf("/WMode %d def\n", cmap->wmode);
45 if (cmap->usecmap_name[0])
46 printf("/%s usecmap\n", cmap->usecmap_name);
47
48 if (cmap->codespace_len)
49 {
50 printf("begincodespacerange\n");
51 for (k = 0; k < cmap->codespace_len; k++)
52 {
53 if (cmap->codespace[k].n == 1)
54 printf("<%02x><%02x>\n", cmap->codespace[k].low, cmap->codespace[k].high);
55 else if (cmap->codespace[k].n == 2)
56 printf("<%04x><%04x>\n", cmap->codespace[k].low, cmap->codespace[k].high);
57 else if (cmap->codespace[k].n == 3)
58 printf("<%06x><%06x>\n", cmap->codespace[k].low, cmap->codespace[k].high);
59 else if (cmap->codespace[k].n == 4)
60 printf("<%08x><%08x>\n", cmap->codespace[k].low, cmap->codespace[k].high);
61 else
62 printf("<%x><%x>\n", cmap->codespace[k].low, cmap->codespace[k].high);
63 }
64 printf("endcodespacerange\n");
65 }
66
67 /* 16-bit ranges */
68
69 ns = nr = 0;
70 for (k = 0; k < cmap->rlen; k++)
71 if (cmap->ranges[k].high - cmap->ranges[k].low > 0)
72 ++nr;
73 else
74 ++ns;
75
76 if (ns)
77 {
78 printf("begincidchar\n");
79 for (k = 0; k < cmap->rlen; k++) {
80 if (cmap->ranges[k].high - cmap->ranges[k].low == 0) {
81 pc(cmap->ranges[k].low);
82 printf(" %u\n", cmap->ranges[k].out);
83 }
84 }
85 printf("endcidchar\n");
86 }
87
88 if (nr)
89 {
90 printf("begincidrange\n");
91 for (k = 0; k < cmap->rlen; k++) {
92 if (cmap->ranges[k].high - cmap->ranges[k].low > 0) {
93 pc(cmap->ranges[k].low);
94 putchar(' ');
95 pc(cmap->ranges[k].high);
96 printf(" %u\n", cmap->ranges[k].out);
97 }
98 }
99 printf("endcidrange\n");
100 }
101
102 /* 32-bit ranges */
103
104 ns = nr = 0;
105 for (k = 0; k < cmap->xlen; k++)
106 if (cmap->xranges[k].high - cmap->xranges[k].low > 0)
107 ++nr;
108 else
109 ++ns;
110
111 if (ns)
112 {
113 printf("begincidchar\n");
114 for (k = 0; k < cmap->xlen; k++) {
115 if (cmap->xranges[k].high - cmap->xranges[k].low == 0) {
116 pc(cmap->xranges[k].low);
117 printf("%u\n", cmap->xranges[k].out);
118 }
119 }
120 printf("endcidchar\n");
121 }
122
123 if (nr)
124 {
125 printf("begincidrange\n");
126 for (k = 0; k < cmap->xlen; k++) {
127 if (cmap->xranges[k].high - cmap->xranges[k].low > 0) {
128 pc(cmap->xranges[k].low);
129 pc(cmap->xranges[k].high);
130 printf("%u\n", cmap->xranges[k].out);
131 }
132 }
133 printf("endcidrange\n");
134 }
135
136 /* 1-to-many */
137
138 #if 0
139 if (cmap->mlen > 0)
140 {
141 printf("beginbfchar\n");
142 for (k = 0; k < cmap->mlen; k++)
143 {
144 pc(cmap->mranges[k].low);
145 printf("<");
146 for (m = 0; m < cmap->mranges[k].len; ++m)
147 printf("%04x", cmap->mranges[k].out[m]);
148 printf(">\n");
149 }
150 printf("endbfchar\n");
151 }
152 #endif
153
154 printf("endcmap\n");
155
156 fz_drop_context(ctx);
157 return 0;
158 }