Subversion Repositories wimsdev

/*    Copyright (C) 1998-2003 XIAO, Gang of Universite de Nice - Sophia Antipolis

 *

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License as published by

 *  the Free Software Foundation; either version 2 of the License, or

 *  (at your option) any later version.

 *

 *  This program is distributed in the hope that it will be useful,

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *  GNU General Public License for more details.

 *

 *  You should have received a copy of the GNU General Public License

 *  along with this program; if not, write to the Free Software

 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

 */

/* This file is a temporary patch to tex eps files with extra borders.

 * It cuts the borders in the resulting gif file, so that the font

 * fits tightly in the cadre. libgd is required.

 */

#include "flydraw.h"

FILE *tikz_file;

char imagefilename[1024];

char vimgfilename[1024];

char tikzfilename[1024];

int sizex, sizey, saved;

gdImagePtr image=NULL, brushimg=NULL, tileimg=NULL, wimg=NULL;

int brushed=0, tiled=0, styled=0, width=1, savew=1, wcolor=-1, width2=4;

int dashed,filled,noreset;

int color_white, color_black, color_bounder, color_frame;

int linecnt=-100000;

int tranged=0;

double xscale=1, yscale=1, xstart=0, ystart=0;

double tstart=0, tend=1, tstep=100, plotjump=200;

double animstep=0;

int transform=0;  /* transformation indicator */

double transx=0, transy=0; /* translation vector */

int lstep=4;

ev_variable vartab[MAX_VARS];

char varnamebuf[MAX_VARNAMEBUF], *varnameptr=varnamebuf;

int varcnt;

int vimg=0; /* 0: no vector image output.

             * 1: DXF vector output. */

int vimg_enable=0; /* 0: disable. 1: enable. */

int vimg_ready=0;

FILE *vimgf=NULL;

double scale_buf[MAX_PARMS];

/* les matrices suivantes sont initialisees par la commande setmatrix nummatrix,a11,a12,a21,a22

 * elles sont remises a l'unite par resetmatrix nummatrix

 * la matrice fixant le systeme de coordonnees "mathematiques" dans l'image

 */

matrice matrices_pavage[JC_NB_MATRICES+1];

vecteur vecteurs_pavage[JC_NB_MATRICES+1];

/* les coordonnees du parallelograme de pavage = coordonnees "mathematiques"

 * du parallelogramme contenant l'image a recopier on place ces coordonnees

 * avec setparallelogram xs,ys,xu,yu,xv,yu

 * xs,ys=coordonnees math du point 0,0,

 * xu,yu coordonnees math de l'horizontale

 * xv,yv coordonnees math de la verticale

 * ces coordonnees sont remises a leur valeur par defaut par resetparallelogram

 */

double parallogram_fonda[]={0,0,100,0,0,100};

/* Write the image */

void output(void)

{

  FILE *out;

  if(!image) return;

  if(imagefilename[0]) {

    out=fopen(imagefilename,"wb");

    if(out!=NULL) {gdImageGif(image, out); fclose(out); }

  }

  else gdImageGif(image, stdout);

  saved=1;

}

/* substitute variable names by their environment strings

 * The buffer pointed to by p must have enough space

 * (defined by MAX_LINELEN).

 */

char *substit(char *p)

{

  char *pp, *pe;

  char namebuf[MAX_NAMELEN+1];

  int i, l;

  pe=strchr(p,'"'); if(pe!=NULL) l=pe-p; else l=MAX_LINELEN;

  for(pp=find_name_start(p); *pp!=0 && pp-p<l;

    pp=find_name_start(pe)) {

    pe=find_name_end(pp);

    if((pp>p && !isspace(*(pp-1)) && *(pp-1)!=',') ||

       (*pe!=0 && !isspace(*pe) && *pe!=',')) continue;

    memmove(namebuf,pp,pe-pp); namebuf[pe-pp]=0;

    i=search_list(nametab,nametab_no,sizeof(nametab[0]),namebuf);

    if(i<0) continue;

    if(nametab[i].type==t_prep && preptab[nametab[i].serial].typ==p_font)

      break;

    if(nametab[i].type==t_color)

      string_modify(p,pp,pe,colortab[nametab[i].serial].def);

  }

  return p;

}

void fly_process(void)

{

  char buf[MAX_LINELEN+1];

  int c;

  do {

    c=ggetline(buf); obj_main(buf);

  }

  while(c!=EOF);

}

int verify_tables(void) {

  return evaltab_verify();

}

int main(int argc, char *argv[])

{

  int i; for (i = 0; i <= JC_NB_MATRICES; i++)

    matrices_pavage [i][0] = matrices_pavage[i][3] = 1;

  substitute=substit;

  ev_varcnt=&varcnt; ev_var=vartab;

  if(argc==2 && strcasecmp(argv[1],"table")==0) {

    if(verify_tables()) {

      printf("Table disorder.\n"); return 1;

    }

    printf("Table orders OK.\n"); return 0;

  }

  vartab[0].name="animstep"; vartab[0].value=0;

  varcnt=1;

  if(argc>1) snprintf(imagefilename,sizeof(imagefilename),"%s",argv[1]);

  else imagefilename[0]=0;

  fly_process();

  if(tikz_file){

    fprintf(tikz_file,"\\end{tikzpicture}\n");

    fclose(tikz_file);

  }

  else

    if(!saved || imagefilename[0]!=0) output();

  if(image) gdImageDestroy(image);

  if(vimg_ready) vimg_close();

  return 0;

}