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|
/*
* page.c
*/
/*
* mpage: a program to reduce pages of print so that several pages
* of output appear on one printed page.
*
* Written by:
* ...!uunet!\ Mark Hahn, Sr Systems Engineer
* >pyrdc!mark Pyramid Technology Corporation
* ...!pyramid!/ Vienna, Va (703)848-2050
*
*
* Copyright (c) 1988 Mark P. Hahn, Herndon, Virginia
* Copyright (c) 1994-1997 Marcel J.E. Mol, The Netherlands
* marcel@mesa.nl
*
* Permission is granted to anyone to make or distribute verbatim
* copies of this document as received, in any medium, provided
* that this copyright notice is preserved, and that the
* distributor grants the recipient permission for further
* redistribution as permitted by this notice.
*
*/
#include "mpage.h"
#include "string.h"
void
set_page()
{
#ifndef LIBPAPER
int i = select_pagetype(opt_page);
media = paper[i].media;
ps_width = paper[i].width;
ps_height = paper[i].height;
#else
struct paper * ps;
ps=paperinfo(opt_page);
if (!ps) {
fprintf(stderr,"%s: unknown page format: %s\n",
MPAGE, opt_page);
exit(1);
}
media = papername(ps);
ps_width = paperpswidth(ps);
ps_height = paperpsheight(ps);
#endif
return;
} /* set_page */
int
select_pagetype(char *pt)
{
int i = 0;
#ifndef LIBPAPER
while (paper[i].media && strcasecmp(pt, paper[i].media))
i++;
if (paper[i].media)
opt_page = paper[i].media;
else
#else
struct paper * ps;
strncpy(opt_page,pt,31);
opt_page[31]='\0';
ps=paperinfo(opt_page);
if (!ps)
#endif
fprintf(stderr, "%s: ignoring unknown paper type: %s\n",
MPAGE, pt);
return i;
} /* select_pagetype */
void
show_pagetypes()
{
int i = 0;
printf("Mpage knows about the following paper types:\n");
printf("Type Points Wide Points High\n");
printf("-------------- ----------- -----------\n");
while (paper[i].media) {
printf("%-14s %11d %11d\n",
paper[i].media, paper[i].width, paper[i].height);
i++;
}
return;
} /* show_pagetypes */
/*
* Bases are the base for each page. e.g the corner points for outlines.
*/
/* __________________________
* | ________________________ |
* || ||
* || ||
* || ybase4 ||
* || Y|
* || ||
* || ||
* || ybase3 ||
* || Y|
* || ||
* || ||
* || ybase2 ||
* || Y|
* || ||
* || ||
* ||xbase1 xbase2 ybase1 ||
* |X___________X____________Y|
* |__________________________|
*/
int
xbase1()
{
Debug(DB_POINTS, "%%xbase1: %d\n", sheetmargin_left + sheetheader_left);
return sheetmargin_left + sheetheader_left;
} /* xbase1 */
int
xbase2()
{
Debug(DB_POINTS, "%%xbase2: %d\n",
(ps_width - sheetmargin_left - sheetmargin_right
- sheetheader_left - sheetheader_right) / 2 +
sheetmargin_left + sheetheader_left);
return (ps_width - sheetmargin_left - sheetmargin_right
- sheetheader_left - sheetheader_right) / 2 +
sheetmargin_left + sheetheader_left;
} /* xbase2 */
int
ybase1()
{
Debug(DB_POINTS, "%%ybase1: %d\n",
sheetmargin_bottom + sheetheader_bottom);
return sheetmargin_bottom + sheetheader_bottom;
} /* ybase1 */
int
ybase2()
{
Debug(DB_POINTS, "%%ybase2: %d\n",
(ps_height - sheetmargin_bottom - sheetmargin_top
- sheetheader_bottom - sheetheader_top) / 4
+ sheetmargin_bottom + sheetheader_bottom);
return (ps_height - sheetmargin_bottom - sheetmargin_top
- sheetheader_bottom - sheetheader_top) / 4
+ sheetmargin_bottom + sheetheader_bottom;
} /* ybase2 */
int
ybase3()
{
Debug(DB_POINTS, "%%ybase3: %d\n",
(ps_height - sheetmargin_bottom - sheetmargin_top
- sheetheader_bottom - sheetheader_top) / 2
+ sheetmargin_bottom + sheetheader_bottom);
return (ps_height - sheetmargin_bottom - sheetmargin_top
- sheetheader_bottom - sheetheader_top) / 2
+ sheetmargin_bottom + sheetheader_bottom;
} /* ybase3 */
int
ybase4()
{
Debug(DB_POINTS, "%%ybase4: %d\n",
(ps_height - sheetmargin_bottom - sheetmargin_top
- sheetheader_bottom - sheetheader_top) * 3 / 4
+ sheetmargin_bottom + sheetheader_bottom);
return (ps_height - sheetmargin_bottom - sheetmargin_top
- sheetheader_bottom - sheetheader_top) * 3 / 4
+ sheetmargin_bottom + sheetheader_bottom;
} /* ybase4 */
int
ytop1()
{
Debug(DB_POINTS, "%%ytop1: %d\n", ybase2());
/* return ybase1() + yht4(); */
return ybase2();
} /* ytop1 */
int
ytop2()
{
Debug(DB_POINTS, "%%ytop2: %d\n", ybase3());
/* return ybase2() + yht4(); */
return ybase3();
} /* ytop2 */
int
ytop3()
{
Debug(DB_POINTS, "%%ytop3: %d\n", ybase4());
/* return ybase3() + yht4(); */
return ybase4();
} /* ytop3 */
int
ytop4()
{
Debug(DB_POINTS, "%%ytop4: %d\n",
ps_height - sheetmargin_bottom - sheetmargin_top
- sheetheader_bottom - sheetheader_top
+ sheetmargin_bottom + sheetheader_bottom);
/* return ybase4() + yht4(); */
return ps_height - sheetmargin_bottom - sheetmargin_top
- sheetheader_bottom - sheetheader_top
+ sheetmargin_bottom + sheetheader_bottom;
} /* ytop4 */
int
xwid1()
{
Debug(DB_POINTS, "%%xwid1: %d\n",
ps_width - sheetmargin_left - sheetmargin_right
- sheetheader_left - sheetheader_right);
return ps_width - sheetmargin_left - sheetmargin_right
- sheetheader_left - sheetheader_right;
} /* xwid1 */
int
xwid2()
{
Debug(DB_POINTS, "%%xwid2: %d\n",
(ps_width - sheetmargin_left - sheetmargin_right
- sheetheader_left - sheetheader_right) / 2);
return (ps_width - sheetmargin_left - sheetmargin_right
- sheetheader_left - sheetheader_right) / 2;
} /* xwid2 */
int
yht1()
{
Debug(DB_POINTS, "%%yht1: %d\n",
ps_height - sheetmargin_top - sheetmargin_bottom
- sheetheader_top - sheetheader_bottom);
return ps_height - sheetmargin_top - sheetmargin_bottom
- sheetheader_top - sheetheader_bottom;
} /* yht1 */
int
yht2()
{
Debug(DB_POINTS, "%%yht2: %d\n",
(ps_height - sheetmargin_top - sheetmargin_bottom
- sheetheader_top - sheetheader_bottom) / 2);
return (ps_height - sheetmargin_top - sheetmargin_bottom
- sheetheader_top - sheetheader_bottom) / 2;
} /* yht2 */
int
yht4()
{
Debug(DB_POINTS, "%%yht4: %d\n",
(ps_height - sheetmargin_top - sheetmargin_bottom
- sheetheader_top - sheetheader_bottom) / 4);
return (ps_height - sheetmargin_top - sheetmargin_bottom
- sheetheader_top - sheetheader_bottom) / 4;
} /* yht4 */
void
outline_1(outfd)
FILE *outfd;
{
/* one page outline */
fprintf(outfd, "0 setlinewidth\n");
fprintf(outfd, "%d %d moveto 0 %d rlineto\n",
xbase1(), ybase1(), yht1());
fprintf(outfd, "%d 0 rlineto 0 %d rlineto closepath stroke\n",
xwid1(), -yht1());
return;
} /* outline_1 */
void
outline_2(outfd)
FILE *outfd;
{
/* two page outline */
outline_1(outfd);
fprintf(outfd, "%d %d moveto %d 0 rlineto stroke\n",
xbase1(), ybase3(), xwid1());
return;
} /* outline_2 */
void
outline_4(outfd)
FILE *outfd;
{
/* four page outline */
outline_2(outfd);
fprintf(outfd, "%d %d moveto 0 %d rlineto stroke\n",
xbase2(), ybase1(), yht1());
return;
} /* outline_4 */
void
outline_8(outfd)
FILE *outfd;
{
/* eight page outline */
outline_4(outfd);
fprintf(outfd, "%d %d moveto %d 0 rlineto stroke\n",
xbase1(), ybase2(), xwid1());
fprintf(outfd, "%d %d moveto %d 0 rlineto stroke\n",
xbase1(), ybase4(), xwid1());
return;
} /* outline_8 */
void
mp_outline(outfd, asheet)
FILE *outfd;
struct sheet *asheet;
{
if (opt_outline) {
(*asheet->sh_outline)(outfd);
}
return;
} /* mp_outline */
void
sheetheader(outfd, fname)
FILE *outfd;
char *fname;
{
if (opt_sheetheader) {
fprintf(outfd, "gsave\nheaderfont setfont\n");
switch (orientation) {
case PORTRAIT:
sheetheader_top = 14;
if (*sheethead != '\0') {
fprintf(outfd,
"%d %d (%s) stringwidth pop sub 2 div add %d moveto",
xbase1(), xwid1(), sheethead,
ytop4() + fsize / 4);
fprintf(outfd, " (%s) show\n", sheethead);
}
else {
/*
* Filename on the left
*/
fprintf(outfd, "%d %d moveto (%s) show\n",
xbase1() + 3, ytop4() + fsize / 4, fname);
/*
* Pagenumber on the right
*/
fprintf(outfd,
"%d (Page %d) stringwidth pop sub 3 sub %d moveto",
xbase1() + xwid1(), ps_pagenum,
ytop4() + fsize / 4);
fprintf(outfd, " (Page %d) show\n", ps_pagenum);
}
break;
case LANDSCAPE:
case LANDSCAPE_PORTRAIT:
sheetheader_right = 14;
if (*sheethead != '\0') {
fprintf(outfd,
"%d %d (%s) stringwidth pop 2 div add moveto",
xbase1() + xwid1() + fsize/4,
ybase3(), sheethead);
fprintf(outfd, " -90 rotate (%s) show\n", sheethead);
}
else {
/*
* Filename on the left
*/
fprintf(outfd, "%d %d moveto -90 rotate (%s) show\n",
xbase1() + xwid1() + fsize/4, ytop4() - 3, fname);
/*
* Pagenumber on the right
*/
fprintf(outfd, "90 rotate %d %d (Page %d) stringwidth pop ",
xbase1() + xwid1() + fsize/4,
ybase1() + 3, ps_pagenum);
fprintf(outfd, "add moveto -90 rotate (Page %d) show\n",
ps_pagenum);
}
break;
}
fprintf(outfd, "grestore\n");
}
return;
} /* sheetheader */
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