ref: 3ef2fcee4e2fe8e296b1b823b636b70f4bd76336
dir: /out.c/
#include <ctype.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "post.h"
static int o_f, o_s, o_m; /* font and size */
static int o_h, o_v; /* current user position */
static int p_f, p_s, p_m; /* output postscript font */
static int o_qtype; /* queued character type */
static int o_qv, o_qh, o_qend; /* queued character position */
char o_fonts[FNLEN * NFONTS] = " ";
static void outvf(char *s, va_list ap)
{
vfprintf(stdout, s, ap);
}
void outf(char *s, ...)
{
va_list ap;
va_start(ap, s);
outvf(s, ap);
va_end(ap);
}
static void o_flush(void)
{
if (o_qtype == 1)
outf(") %d %d w\n", o_qh, o_qv);
if (o_qtype == 2)
outf("] %d %d g\n", o_qh, o_qv);
o_qtype = 0;
}
void outpage(void)
{
o_flush();
o_v = 0;
o_h = 0;
p_s = 0;
p_f = 0;
p_m = 0;
}
static void o_queue(struct glyph *g)
{
int type = 1 + !isdigit((g)->id[0]);
int num = atoi(g->id);
if (o_qtype != type || o_qend != o_h || o_qv != o_v) {
o_flush();
o_qh = o_h;
o_qv = o_v;
o_qtype = type;
outf(type == 1 ? "(" : "[");
}
if (o_qtype == 1) {
if (num >= ' ' && num <= '~')
outf("%s%c", strchr("()\\", num) ? "\\" : "", num);
else
outf("\\%d%d%d", (num >> 6) & 7, (num >> 3) & 7, num & 7);
} else {
outf("/%s", g->id);
}
o_qend = o_h + charwid(g->wid, o_s);
}
/* calls o_flush() if necessary */
void out(char *s, ...)
{
va_list ap;
o_flush();
va_start(ap, s);
outvf(s, ap);
va_end(ap);
}
/* glyph placement adjustments */
static struct fixlist {
char *name;
int dh, dv;
} fixlist[] = {
{"br", -5, 15},
{"lc", 20, 0},
{"lf", 20, 0},
{"rc", -11, 0},
{"rf", -11, 0},
{"rn", -50, 0},
};
static void fixpos(struct glyph *g, int *dh, int *dv)
{
struct font *fn = g->font;
int i;
*dh = 0;
*dv = 0;
if (!strcmp("S", fn->name)) {
for (i = 0; i < LEN(fixlist); i++) {
if (!strcmp(fixlist[i].name, g->name)) {
*dh = charwid(fixlist[i].dh, o_s);
*dv = charwid(fixlist[i].dv, o_s);
return;
}
}
}
}
static void out_fontup(int fid)
{
char fnname[FNLEN];
struct font *fn;
if (o_m != p_m) {
out("%d %d %d rgb\n", CLR_R(o_m), CLR_G(o_m), CLR_B(o_m));
p_m = o_m;
}
if (fid != p_f || o_s != p_s) {
fn = dev_font(fid);
out("%d /%s f\n", o_s, fn->fontname);
p_f = fid;
p_s = o_s;
sprintf(fnname, " %s ", fn->fontname);
if (!strstr(o_fonts, fnname))
sprintf(strchr(o_fonts, '\0'), "%s ", fn->fontname);
}
}
void outc(char *c)
{
struct glyph *g;
struct font *fn;
int dh, dv;
g = dev_glyph(c, o_f);
fn = g ? g->font : dev_font(o_f);
if (!g) {
outrel(*c == ' ' && fn ? charwid(fn->spacewid, o_s) : 1, 0);
return;
}
out_fontup(dev_fontid(fn));
fixpos(g, &dh, &dv);
o_h += dh;
o_v += dv;
o_queue(g);
o_h -= dh;
o_v -= dv;
}
void outh(int h)
{
o_h = h;
}
void outv(int v)
{
o_v = v;
}
void outrel(int h, int v)
{
o_h += h;
o_v += v;
}
void outfont(int f)
{
o_f = f;
}
/* a font was mounted at pos f */
void outmnt(int f)
{
if (p_f == f)
p_f = -1;
}
void outsize(int s)
{
o_s = s;
}
void outcolor(int c)
{
o_m = c;
}
static int draw_path; /* number of path segments */
static int draw_point; /* point was set for postscript newpath */
static void drawmv(void)
{
if (!draw_point)
outf("%d %d m ", o_h, o_v);
draw_point = 1;
}
/* if s is not NULL, start a multi-segment path */
void drawbeg(char *s)
{
o_flush();
out_fontup(o_f);
if (draw_path)
return;
draw_path = s != NULL;
if (s)
outf("gsave newpath %s\n", s);
else
outf("newpath ");
}
void drawend(char *s)
{
if (draw_path && !s)
return;
draw_path = 0;
draw_point = 0;
if (s)
outf("%s grestore\n", s);
else
outf("stroke\n");
}
void drawl(int h, int v)
{
drawmv();
outrel(h, v);
outf("%d %d drawl ", o_h, o_v);
}
void drawc(int c)
{
drawmv();
outrel(c, 0);
outf("%d %d drawe ", c, c);
}
void drawe(int h, int v)
{
drawmv();
outrel(h, 0);
outf("%d %d drawe ", h, v);
}
void drawa(int h1, int v1, int h2, int v2)
{
drawmv();
outf("%d %d %d %d drawa ", h1, v1, h2, v2);
outrel(h1 + h2, v1 + v2);
}
void draws(int h1, int v1, int h2, int v2)
{
drawmv();
outf("%d %d %d %d %d %d draws ", o_h, o_v, o_h + h1, o_v + v1,
o_h + h1 + h2, o_v + v1 + v2);
outrel(h1, v1);
}