159 lines
3.3 KiB
C
159 lines
3.3 KiB
C
/* cmapclean.c -- parse a CMap file and write it back out */
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#include <stdio.h>
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#include <string.h>
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#include "mupdf/pdf.h"
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void pc(unsigned int c)
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{
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if (c <= 0xff) printf("<%02x>", c);
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else if (c <= 0xffff) printf("<%04x>", c);
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else if (c <= 0xffffff) printf("<%06x>", c);
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else printf("<%08x>", c);
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}
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int
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main(int argc, char **argv)
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{
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fz_context *ctx;
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fz_stream *fi;
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pdf_cmap *cmap;
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int k, m;
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int ns, nr;
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if (argc != 2)
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{
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fprintf(stderr, "usage: cmapclean input.cmap\n");
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return 1;
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}
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ctx = fz_new_context(NULL, NULL, FZ_STORE_UNLIMITED);
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if (!ctx)
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{
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fprintf(stderr, "cannot initialise context\n");
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return 1;
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}
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fi = fz_open_file(ctx, argv[1]);
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cmap = pdf_load_cmap(ctx, fi);
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fz_drop_stream(ctx, fi);
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printf("begincmap\n");
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printf("/CMapName /%s def\n", cmap->cmap_name);
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printf("/WMode %d def\n", cmap->wmode);
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if (cmap->usecmap_name[0])
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printf("/%s usecmap\n", cmap->usecmap_name);
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if (cmap->codespace_len)
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{
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printf("begincodespacerange\n");
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for (k = 0; k < cmap->codespace_len; k++)
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{
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if (cmap->codespace[k].n == 1)
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printf("<%02x><%02x>\n", cmap->codespace[k].low, cmap->codespace[k].high);
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else if (cmap->codespace[k].n == 2)
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printf("<%04x><%04x>\n", cmap->codespace[k].low, cmap->codespace[k].high);
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else if (cmap->codespace[k].n == 3)
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printf("<%06x><%06x>\n", cmap->codespace[k].low, cmap->codespace[k].high);
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else if (cmap->codespace[k].n == 4)
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printf("<%08x><%08x>\n", cmap->codespace[k].low, cmap->codespace[k].high);
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else
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printf("<%x><%x>\n", cmap->codespace[k].low, cmap->codespace[k].high);
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}
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printf("endcodespacerange\n");
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}
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/* 16-bit ranges */
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ns = nr = 0;
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for (k = 0; k < cmap->rlen; k++)
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if (cmap->ranges[k].high - cmap->ranges[k].low > 0)
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++nr;
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else
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++ns;
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if (ns)
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{
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printf("begincidchar\n");
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for (k = 0; k < cmap->rlen; k++) {
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if (cmap->ranges[k].high - cmap->ranges[k].low == 0) {
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pc(cmap->ranges[k].low);
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printf(" %u\n", cmap->ranges[k].out);
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}
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}
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printf("endcidchar\n");
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}
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if (nr)
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{
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printf("begincidrange\n");
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for (k = 0; k < cmap->rlen; k++) {
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if (cmap->ranges[k].high - cmap->ranges[k].low > 0) {
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pc(cmap->ranges[k].low);
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putchar(' ');
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pc(cmap->ranges[k].high);
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printf(" %u\n", cmap->ranges[k].out);
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}
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}
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printf("endcidrange\n");
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}
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/* 32-bit ranges */
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ns = nr = 0;
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for (k = 0; k < cmap->xlen; k++)
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if (cmap->xranges[k].high - cmap->xranges[k].low > 0)
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++nr;
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else
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++ns;
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if (ns)
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{
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printf("begincidchar\n");
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for (k = 0; k < cmap->xlen; k++) {
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if (cmap->xranges[k].high - cmap->xranges[k].low == 0) {
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pc(cmap->xranges[k].low);
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printf("%u\n", cmap->xranges[k].out);
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}
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}
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printf("endcidchar\n");
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}
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if (nr)
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{
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printf("begincidrange\n");
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for (k = 0; k < cmap->xlen; k++) {
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if (cmap->xranges[k].high - cmap->xranges[k].low > 0) {
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pc(cmap->xranges[k].low);
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pc(cmap->xranges[k].high);
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printf("%u\n", cmap->xranges[k].out);
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}
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}
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printf("endcidrange\n");
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}
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/* 1-to-many */
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#if 0
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if (cmap->mlen > 0)
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{
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printf("beginbfchar\n");
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for (k = 0; k < cmap->mlen; k++)
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{
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pc(cmap->mranges[k].low);
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printf("<");
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for (m = 0; m < cmap->mranges[k].len; ++m)
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printf("%04x", cmap->mranges[k].out[m]);
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printf(">\n");
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}
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printf("endbfchar\n");
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}
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#endif
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printf("endcmap\n");
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fz_drop_context(ctx);
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return 0;
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}
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