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/*
* TransFig: Facility for Translating Fig code
* Copyright (c) 1985 Supoj Sutantavibul
* Copyright (c) 1991 Micah Beck
*
* THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*
* The X Consortium, and any party obtaining a copy of these files from
* the X Consortium, directly or indirectly, is granted, free of charge, a
* full and unrestricted irrevocable, world-wide, paid up, royalty-free,
* nonexclusive right and license to deal in this software and
* documentation files (the "Software"), including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons who receive
* copies from any such party to do so, with the only requirement being
* that this copyright notice remain intact. This license includes without
* limitation a license to do the foregoing actions under any patents of
* the party supplying this software to the X Consortium.
*/
/*
* genbitmaps.c : bitmap driver for fig2dev
*
* Author: Brian V. Smith
* Handles GIF, PCX, JPEG, TIFF, XBM and XPM.
* Uses genps functions to generate PostScript output then
* calls ghostscript to convert it to the output language
* if ghostscript has a driver for that language, or to ppm
* if ghostscript otherwise. If the latter, ppmtoxxx is then
* called to make the final XXX file.
*/
#include <sys/file.h>
#include <stdio.h>
#include <math.h>
#include "fig2dev.h"
#include "object.h"
#include "texfonts.h"
extern void
genps_arc(),
genps_ellipse(),
genps_line(),
genps_spline(),
genps_text();
static char gscom[1000],*gsdev,tmpname[PATH_MAX];
Boolean direct;
char *ofile;
int width,height;
int jpeg_quality=75;
void
genbitmaps_option(opt, optarg)
char opt;
char *optarg;
{
switch (opt) {
case 'q': /* jpeg image quality */
if (strcmp(lang,"jpeg") != 0)
fprintf(stderr,"-q option only allowed for jpeg quality; ignored\n");
sscanf(optarg,"%d",&jpeg_quality);
break;
default:
break;
}
}
void
genbitmaps_start(objects)
F_compound *objects;
{
char extra_options[200];
float fscale;
/* make small margin around in case bounding box errors */
llx -= 200;
ury += 200;
fscale = 14.0;
/* make command for ghostscript */
width=round(mag*(urx-llx)/fscale/*THICK_SCALE*/);
height=round(mag*(ury-lly)/fscale/*THICK_SCALE*/);
/*
width += 45;
height += 13;
*/
/* Add conditionals here if gs has a driver built-in */
/* gs has a driver for png, ppm, pcx, jpeg and tiff */
direct = TRUE;
ofile = to;
extra_options[0]='\0';
if (strcmp(lang,"png")==0) {
gsdev="png256";
} else if (strcmp(lang,"pcx")==0) {
gsdev="pcx256";
} else if (strcmp(lang,"ppm")==0) {
gsdev="ppmraw";
} else if (strcmp(lang,"tiff")==0) {
/* use the 24-bit - unfortunately, it doesn't use compression */
gsdev="tiff24nc";
} else if (strcmp(lang,"jpeg")==0) {
gsdev="jpeg";
/* set quality for JPEG */
sprintf(extra_options,"-dJPEGQ=%d",jpeg_quality);
} else {
/* no driver in gs, use ppm output then use ppmtoxxx later */
gsdev="ppmraw";
/* make a unique name for the temporary ppm file */
sprintf(tmpname,"f2d%d.ppm",getpid());
ofile = tmpname;
direct = FALSE;
}
/* make up the command for gs */
sprintf(gscom, "gs -q -dSAFER -sDEVICE=%s -r80 -g%dx%d -sOutputFile=%s %s -",
gsdev,width,height,ofile,extra_options);
/* divert output from ps driver to the pipe into ghostscript */
/* but first close the output file that main() opened */
fclose(tfp);
if ((tfp = popen(gscom,"w" )) == 0) {
fprintf(stderr,"Can't open pipe to ghostscript\n");
exit(1);
}
genps_start(objects);
}
void
genbitmaps_end()
{
char com[200];
char *outfile;
/* wrap up the postscript output */
genps_end();
/* add a showpage so ghostscript will produce output */
fprintf(tfp, "showpage\n");
if (pclose(tfp) != 0) {
fprintf(stderr,"Error in ghostcript command\n");
return;
}
/* for the formats that are only 8-bits, reduce the colors to 256 */
/* and pipe through the ppm converter for that format */
if (!direct) {
if (strcmp(lang, "gif")==0) {
sprintf(com,"(ppmquant 256 %s | ppmtogif",tmpname);
} else if (strcmp(lang, "xbm")==0) {
sprintf(com,"(ppmtopgm %s | pgmtopbm | pbmtoxbm",tmpname);
} else if (strcmp(lang, "xpm")==0) {
sprintf(com,"(ppmquant 256 %s | ppmtoxpm",tmpname);
} else if (strcmp(lang, "acad")==0) {
sprintf(com,"(ppmtoacad %s",tmpname);
}
if (tfp != stdout) {
/* finally, route output from ppmtoxxx to final output file, if
not going to stdout */
strcat(com," > ");
strcat(com,to);
}
strcat(com,") 2> /dev/null");
/* execute the ppm program */
system(com);
/* finally, remove the temporary file */
unlink(tmpname);
}
/* we've already closed the original output file */
tfp = 0;
}
struct driver dev_bitmaps = {
genbitmaps_option,
genbitmaps_start,
genps_arc,
genps_ellipse,
genps_line,
genps_spline,
genps_text,
genbitmaps_end,
INCLUDE_TEXT
};
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