mirror of
git://projects.qi-hardware.com/eda-tools.git
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463e8dcac4
Before, duplicate names in the tree always pointed to the same page. Now they point to the respective locations. Note that this does not affect handling of duplicate names in libraries, where still only one "wins" while the other is completely ignored.
356 lines
7.9 KiB
C
356 lines
7.9 KiB
C
/*
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* pdf.c - Generate PDF
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*
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* Copyright 2012 by Werner Almesberger
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "util.h"
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#include "gencat.h"
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#include "tree.h"
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#include "libs.h"
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#include "pdf.h"
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static struct format {
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const char *file_setup;
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const char *overlay_setup;
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const char *comp_setup;
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int left;
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struct text {
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const char *font;
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int size;
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int y;
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} name, path, lib, comment, index;
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int comment_line_skip;
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int index_line_skip;
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int index_column_skip;
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int index_lines;
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int index_columns;
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} landscape = {
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.file_setup = "%%Orientation: Landscape",
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.overlay_setup = "90 rotate",
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.comp_setup = "",
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.left = 20,
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.name = { "Helvetica-Bold", 24, 57 },
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.path = { "Helvetica-Bold", 18, 30 },
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.lib = { "Courier", 12, 75 },
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.comment = { "Helvetica", 12, 600 },
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.index = { "Helvetica", 10, 32 },
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.comment_line_skip = 14,
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.index_line_skip = 12,
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.index_column_skip = 140,
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.index_lines = 45,
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.index_columns = 6,
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}, portrait = {
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.file_setup = "%%Orientation: Portrait",
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.overlay_setup = "0 790 translate",
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.comp_setup = "-120 700 translate -90 rotate",
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.left = 20,
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.name = { "Helvetica-Bold", 24, 57 },
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.path = { "Helvetica-Bold", 18, 30 },
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.lib = { "Courier", 12, 75 },
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.comment = { "Helvetica", 12, 740 },
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.index = { "Helvetica", 10, 0 },
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.comment_line_skip = 14,
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.index_line_skip = 12,
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.index_column_skip = 140,
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.index_lines = 63,
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.index_columns = 4,
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}, format;
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static int total, done = 0;
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/* ----- Utility functions ------------------------------------------------- */
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static void ps_string(FILE *file, const char *s)
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{
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fputc('(', file);
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while (*s) {
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if (*s == '(' || *s == ')' || *s == '\\')
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fputc('\\', file);
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fputc(*s, file);
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s++;
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}
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fputc(')', file);
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}
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/* ----- Alphabetic index -------------------------------------------------- */
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struct index {
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const char *s;
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const struct node *node;
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};
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static void collect_names(const struct node *node, struct index **idx, int *n)
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{
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const struct name *name;
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while (node) {
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if (node->child)
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collect_names(node->child, idx, n);
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else {
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for (name = node->e->names; name; name = name->next) {
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(*n)++;
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*idx = realloc(*idx, *n*sizeof(struct entry));
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if (!*idx)
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abort();
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(*idx)[*n-1].s = name->s;
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(*idx)[*n-1].node = node;
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}
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}
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node = node->next;
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}
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}
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static int comp(const void *a, const void *b)
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{
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const struct index *ai = a;
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const struct index *bi = b;
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return strcmp(ai->s, bi->s);
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}
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static void make_index(FILE *file, const struct node *node)
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{
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struct index *idx = NULL;
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const struct index *p;
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int n = 0;
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int line = 0, col = 0;
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collect_names(node, &idx, &n);
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qsort(idx, n, sizeof(struct index), comp);
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fprintf(file, "[ /Title (Index) /Count 0 /OUT pdfmark\n");
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fprintf(file, "/%s findfont %d scalefont setfont\n",
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format.index.font, format.index.size);
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fprintf(file, "gsave %s 0 setgray\n", format.overlay_setup);
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for (p = idx; p != idx+n; p++) {
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if (line == format.index_lines) {
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line = 0;
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col++;
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}
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if (col == format.index_columns) {
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fprintf(file, "grestore showpage\n");
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fprintf(file, "gsave %s 0 setgray\n",
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format.overlay_setup);
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col = 0;
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}
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fprintf(file, "newpath %d -%d moveto currentpoint\n",
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format.left+col*format.index_column_skip,
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format.index.y+line*format.index_line_skip);
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fprintf(file, "[ /Rect [ ");
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ps_string(file, p->s);
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fprintf(file, " false charpath flattenpath pathbbox ]\n");
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fprintf(file, " /Subtype /Link\n");
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fprintf(file, " /Border [ 0 0 0 ]\n");
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fprintf(file, " /Action << /Subtype /GoTo /Dest /%p%p >>\n",
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p->node, p->s);
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fprintf(file, " /ANN pdfmark\n");
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fprintf(file, "moveto ");
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ps_string(file, p->s);
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fprintf(file, " show\n");
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line++;
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}
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fprintf(file, "grestore showpage\n");
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free(idx);
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}
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/* ----- Overlay and table of contents ------------------------------------- */
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static int children(const struct node *node)
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{
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int n = 0;
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while (node) {
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n++;
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node = node->next;
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}
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return n;
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}
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static void print_path(FILE *file, const struct node *node)
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{
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if (node->parent) {
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print_path(file, node->parent);
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fprintf(file, "( > ) show\n");
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}
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ps_string(file, node->name);
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fprintf(file, " 0.5 setgray show 0 setgray\n");
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}
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static void make_title(FILE *file, const struct node *node, int unit)
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{
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const struct name *name;
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fprintf(file, "gsave %s 0 setgray\n", format.overlay_setup);
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fprintf(file, "/%s findfont %d scalefont setfont\n",
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format.name.font, format.name.size);
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fprintf(file, "%d %d moveto\n", format.left, -format.name.y);
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for (name = node->e->names; name; name = name->next) {
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if (name != node->e->names)
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fprintf(file, "(, ) show 0.5 setgray\n");
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ps_string(file, name->s);
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fprintf(file, " show\n");
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if (!unit)
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fprintf(file, "[ /Dest /%p%p /DEST pdfmark\n",
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node, name->s);
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}
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fprintf(file, "0 setgray\n");
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if (node->e->units > 1)
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fprintf(file, " ( \\(%c\\)) show\n", 'A'+unit);
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fprintf(file, "/%s findfont %d scalefont setfont\n",
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format.path.font, format.path.size);
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fprintf(file, "%d %d moveto\n", format.left, -format.path.y);
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print_path(file, node);
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fprintf(file, "/%s findfont %d scalefont setfont\n",
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format.lib.font, format.lib.size);
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fprintf(file, "%d %d moveto\n", format.left, -format.lib.y);
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ps_string(file, node->e->file->path);
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fprintf(file, " show\n");
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fprintf(file, "grestore\n");
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}
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static void print_comment(FILE *file, const struct line *comment)
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{
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const struct line *line;
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int lines = 0;
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int n;
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fprintf(file, "gsave %s 0 setgray\n", format.overlay_setup);
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fprintf(file, "/%s findfont %d scalefont setfont\n",
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format.comment.font, format.comment.size);
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for (line = comment; line; line = line->next)
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lines++;
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n = 0;
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for (line = comment; line; line = line->next) {
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n++;
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fprintf(file, "%d -%d moveto\n", format.left,
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format.comment.y+(n-lines)*format.comment_line_skip);
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ps_string(file, line->s);
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fprintf(file, " show\n");
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}
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fprintf(file, "grestore\n");
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}
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/* ----- Component conversion ---------------------------------------------- */
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static void convert_comp(const struct node *node, FILE *out)
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{
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const struct lib *lib = node->e->file->lib;
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int i;
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for (i = 0; i != node->e->units; i++) {
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if (!quiet) {
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fprintf(stderr, "\r%u/%u", ++done, total);
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fflush(stderr);
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}
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make_title(out, node, i);
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if (!i && node->comment)
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print_comment(out, node->comment);
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fprintf(out, "gsave %s\n", format.comp_setup);
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node->e->file->lib->ps_entry(out, lib, node->e, i);
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fprintf(out, "\ngrestore\n");
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}
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}
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static void convert_tree(const struct node *node, FILE *out)
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{
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while (node) {
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fprintf(out, "[ /Title (%s) /Count %d /OUT pdfmark\n",
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node->name, -children(node->child));
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if (node->child)
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convert_tree(node->child, out);
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else
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convert_comp(node, out);
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node = node->next;
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}
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}
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/* ----- Setup and PDF generation ------------------------------------------ */
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static int count_tree(const struct node *node)
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{
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int sum = 0;
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while (node) {
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if (node->child)
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sum += count_tree(node->child);
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else
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sum += node->e->units;
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node = node->next;
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}
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return sum;
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}
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void make_pdf(int pdf, int use_portrait)
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{
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FILE *out;
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int res;
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if (use_portrait)
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format = portrait;
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else
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format = landscape;
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if (pdf)
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out = popen(
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"gs -q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -sOutputFile=- "
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"-f -", "w");
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else
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out = popen("cat", "w");
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if (!out) {
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perror("gs");
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exit(1);
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}
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fprintf(out, "%%!PS\n%s\n", format.file_setup);
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make_index(out, tree);
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total = count_tree(tree);
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convert_tree(tree, out);
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if (!quiet)
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fprintf(stderr, "\rFinishing\n");
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res = pclose(out);
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if (res < 0) {
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perror("pclose");
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exit(1);
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}
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if (res) {
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fprintf(stderr, "exit status %d\n", res);
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exit(1);
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}
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}
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