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show.c

/* 
 * $Source: /tmp_mnt/n/fs/grad1/jsp/src/jgraph/RCS/show.c,v $
 * $Revision: 8.3 $
 * $Date: 92/11/30 11:42:40 $
 * $Author: jsp $
 */ 

#include <stdio.h>
#include <math.h>
#include "jgraph.h"

static spaces(nsp)
int nsp;
{
  while(nsp-- > 0) putchar(' ');
}

float ptoin(p)
float p;
{
  return p / FCPI;
}

float ptoc(p, a)
float p;
Axis a;
{
  if (a->is_lg) {
    return (float) exp((p / a->factor + a->logmin) * a->logfactor);
  } else {
    return (p / a->factor) + a->min;
  }
}

float ptodist(p, a)
float p;
Axis a;
{
  if (a->is_lg) {
    return p  / FCPI;
  } else {
    return (p / a->factor);
  }
}

static show_mltiline(s)
char *s;
{
  int i;

  if (s != CNULL) {
    for (i = 0; s[i] != '\0'; i++) {
      if (s[i] == '\n') putchar('\\');
      putchar(s[i]);
    }
  }
  putchar('\n');
}

show_string(s)
char *s;
{
  int i;

  if (s != CNULL) {
    printf(": ");
    for (i = 0; s[i] != '\0'; i++) {
      if (s[i] == '\n') putchar('\\');
      if (s[i] == '\\') i++;
      putchar(s[i]);
    }
  }
  putchar('\n');
}
    
   
show_label(l, nsp, g)
Label l;
int nsp;
Graph g;
{
  spaces(nsp); 
  show_string(l->label);
  spaces(nsp); printf("x %f ", ptoc(l->x, g->x_axis));
               printf("y %f\n", ptoc(l->y, g->y_axis));
  spaces(nsp); printf("hj%c vj%c ", l->hj, l->vj);
               printf("rotate %f\n", l->rotate);
  spaces(nsp); printf("font %s ", l->font);
               printf("fontsize %f ", l->fontsize);
             printf("linesep %f\n", l->linesep);
  if (l->graytype == 'g') {
    spaces(nsp);
    printf("lgray %f\n", l->gray[0]);
  } else if (l->graytype == 'c') {
    spaces(nsp);
    printf("lcolor %f %f %f\n", l->gray[0], l->gray[1], l->gray[2]);
  }
  return;
}

show_lmark(l, nsp, g)
Label l;
int nsp;
Graph g;
{
  spaces(nsp); show_string(l->label);
  spaces(nsp); printf("x %f ", ptodist(l->x, g->x_axis));
               printf("y %f\n", ptodist(l->y, g->y_axis));
  spaces(nsp); printf("hj%c vj%c ", l->hj, l->vj);
               printf("rotate %f\n", l->rotate);
  spaces(nsp); printf("font %s ", l->font);
               printf("fontsize %f\n", l->fontsize);
  return;
}

show_curve(c, nsp, g)
Curve c;
int nsp;
Graph g;
{
  Point p;
  Point px;
  Point py;
  int i;
  Flist fl;

  if (c->l->label != CNULL) {
    spaces(nsp); printf("label\n");
    spaces(nsp+2);
    printf("(* unless <legend custom>, this label\'s x\'s and y\'s will be ignored *)\n");
    show_label(c->l, nsp+2, g);
  }
  
  px = first(c->xepts);
  py = first(c->yepts);
  for(p = first(c->pts); p != nil(c->pts); p = next(p)) {
    if (p->e == 'p') {
      spaces(nsp); printf("pts %f %f\n", p->x, p->y);
    } else if (p->e == 'x') {
      spaces(nsp); 
      printf("x_epts %f %f %f %f\n", p->x, p->y, px->x, next(px)->x);
      px = next(next(px));
    } else if (p->e == 'y') {
      spaces(nsp); 
      printf("y_epts %f %f %f %f\n", p->y, p->y, py->y, next(py)->y);
      py = next(next(py));
    } else {
      fprintf(stderr, "Internal error: p->e == %c\n", p->e);
      exit(1);
    }
  }
  if (c->eps != CNULL) {
    spaces(nsp);
    printf("eps %s\n", c->eps);
  }
  if (c->postscript != CNULL) {
    spaces(nsp);
    printf("postscript ");
    if (!c->postfile) printf(": ");
    show_mltiline(c->postscript);
  }
  spaces(nsp); printf("marktype ");
  for (i = 0; i < NMARKTYPES && c->marktype != MARKTYPES[i]; i++) ;
  if (i == NMARKTYPES) {
    error_header();
    fprintf(stderr, "Unknown mark type %c\n", c->marktype);
    exit(1);
  } else printf("%s ", MARKTYPESTRS[i]);
  if (c->marktype == 'l') {
    show_lmark(c->lmark, nsp+2, g);
    spaces(nsp);
  }
  printf("marksize %f %f ", ptodist(c->marksize[0], g->x_axis), 
                            ptodist(c->marksize[1], g->y_axis));
  printf("mrotate %f ", c->mrotate);
  if (c->filltype == 'g') {
     printf("fill %f\n", c->fill[0] );
  } else if (c->filltype == 'c')  {
     printf("cfill %f %f %f\n", c->fill[0], c->fill[1], c->fill[2] );
  }
  if (first(c->general_marks) != c->general_marks) {
    spaces(nsp); printf("gmarks");
    for(p = first(c->general_marks); p != nil(c->general_marks); p = next(p))
      printf(" %f %f ", p->x, p->y);
  }
  printf("\n");
  spaces(nsp);
  if(!c->poly) printf("no"); printf("poly ");
  if (c->pfilltype == 'g') {
     printf("pfill %f", c->pfill[0] );
  } else if (c->pfilltype == 'c')  {
     printf("pcfill %f %f %f", c->pfill[0], c->pfill[1], c->pfill[2] );
  }
  printf("\n");
  
  spaces(nsp); printf("linetype ");
  if (c->linetype == '0')  printf("none ");
  else if (c->linetype == 's') printf("solid ");
  else if (c->linetype == '.') printf("dotted ");
  else if (c->linetype == '-') printf("dashed ");
  else if (c->linetype == 'l') printf("longdash ");
  else if (c->linetype == 'd') printf("dotdash ");
  else if (c->linetype == 'D') printf("dotdotdash ");
  else if (c->linetype == '2') printf("dotdotdashdash ");
  else if (c->linetype == 'g') {
    printf("general\n");
    spaces(nsp+2);
    printf("glines "); 
    i = 0;
    for (fl = first(c->gen_linetype); fl != nil(c->gen_linetype); 
                                      fl = next(fl)) {
      if (i == 6) {
        printf("\n");
        spaces(nsp + 9);
        i = 0;
      }
      printf("%f ", fl->f);
      i++;
    }
    printf("\n");
    spaces(nsp);
  }
  printf("linethickness %f\n", c->linethick);
  spaces(nsp); 
  if (c->graytype == 'g') {
    printf("gray %f ", c->gray[0]);
  } else if (c->graytype == 'c') {
    printf("color %f %f %f ", c->gray[0], c->gray[1], c->gray[2]);
  }
  if(!c->clip) printf("no"); printf("clip\n");
  spaces(nsp);
  for (i = 0; i < NPATTERNS && PTYPES[i] != c->pattern; i++) ;
  printf("pattern %s %f ", PATTERNS[i], c->parg);
  for (i = 0; i < NPATTERNS && PTYPES[i] != c->ppattern; i++) ;
  printf("ppattern %s %f ", PATTERNS[i], c->pparg);
  for (i = 0; i < NPATTERNS && PTYPES[i] != c->apattern; i++) ;
  printf("apattern %s %f\n", PATTERNS[i], c->aparg);
  spaces(nsp); 
  if(!c->rarrow) printf("no"); printf("rarrow ");
  if(!c->larrow) printf("no"); printf("larrow ");
  if(!c->rarrows) printf("no"); printf("rarrows ");
  if(!c->larrows) printf("no"); printf("larrows ");
  if (c->afilltype == 'g') {
     printf("afill %f\n", c->afill[0] );
  } else if (c->afilltype == 'c')  {
     printf("acfill %f %f %f\n", c->afill[0], c->afill[1], c->afill[2] );
  }
  spaces(nsp);
  if(!c->bezier) printf("no"); printf("bezier ");
  printf("asize %f %f\n", ptodist(c->asize[0], g->x_axis), 
                          ptodist(c->asize[1], g->y_axis) * 2.0);
}

show_axis(a, nsp, g)
Axis a;
int nsp;
Graph g;
{
  Axis other;
  Hash h;
  String s;

  if (a->is_x) other = g->y_axis; else other = g->x_axis;
  spaces(nsp); printf("size %f\n", a->size);
  spaces(nsp); printf("min %f max %f %s\n", a->min, a->max,
                      (a->is_lg) ? "log" : "linear");
  if (!(a->draw_hash_labels || a->draw_axis_line ||
        a->draw_hash_marks || a->draw_axis_label)) {
    spaces(nsp);
    printf("nodraw\n");
    return;
  }
  spaces(nsp); printf("draw_at %f\n", ptoc(a->draw_at, other));
  if (a->label->label != CNULL) {
    spaces(nsp); printf("label\n");
    show_label(a->label, nsp+2, g);
  }
  spaces(nsp); 
  printf("%sdraw_hash_labels\n", (a->draw_hash_labels) ? "" : "no_");
  spaces(nsp); 
  printf("%sdraw_axis_line\n", (a->draw_axis_line) ? "" : "no_");
  spaces(nsp); 
  printf("%sdraw_hash_marks\n", (a->draw_hash_marks) ? "" : "no_");
  spaces(nsp); 
  printf("%sgrid_lines\n", (a->grid_lines) ? "" : "no_");
  spaces(nsp); 
  printf("%smgrid_lines\n", (a->mgrid_lines) ? "" : "no_");
  spaces(nsp); 
  printf("%sdraw_axis_label\n", (a->draw_axis_label) ? "" : "no_");
  spaces(nsp); 
  if (a->graytype == 'g') {
    printf("gray %f\n", a->gray[0]);
  } else if (a->graytype == 'c') {
    printf("color %f %f %f\n", a->gray[0], a->gray[1], a->gray[2]);
  }
  spaces(nsp); 
  if (a->gr_graytype == 'g') {
    printf("gr_gray %f ", a->gr_gray[0]);
  } else if (a->gr_graytype == 'c') {
    printf("color %f %f %f ", a->gr_gray[0], a->gr_gray[1], a->gr_gray[2]);
  }
  if (a->mgr_graytype == 'g') {
    printf("mgr_gray %f\n", a->mgr_gray[0]);
  } else if (a->mgr_graytype == 'c') {
    printf("color %f %f %f\n", a->mgr_gray[0], a->mgr_gray[1], a->mgr_gray[2]);
  }

  spaces(nsp);

  printf("(* The real settings for generating auto_hash_labels:\n");
  spaces(nsp+5);
  printf("%sauto_hash_marks ", (a->auto_hash_marks) ? "" : "no_");
  printf("%sauto_hash_labels\n", (a->auto_hash_labels) ? "" : "no_");
  spaces(nsp+5); printf("hash %f shash %f mhash %d hash_format %c\n", 
                       a->hash_interval, a->hash_start, a->minor_hashes,
                       a->hash_format);
  spaces(nsp+5);
  if (a->is_lg) {
    printf("log_base %f ", a->log_base);
  }
  printf("hash_scale %f ", a->hash_scale);
  printf("precision %d\n", a->precision);
  spaces(nsp+3);
  printf("The following are explicit and implicit hash marks and labels *)\n");
  
  spaces(nsp); 
  printf("hash 0 draw_hash_marks_at %f draw_hash_labels_at %f\n",
         ptoc(a->draw_hash_marks_at, other), 
         ptoc(a->draw_hash_labels_at, other));
  spaces(nsp); printf("hash_labels (* The :, x, and y values are ignored *)\n");
  show_label(a->hl, nsp + 2, g);
  
  for (h = first(a->hash_lines); h != nil(a->hash_lines); h = next(h)) {
    spaces(nsp);
    printf("%s %f\n", ((h->size == HASH_SIZE) ? "hash_at" : "mhash_at"),
           ptoc(h->loc, a));
  }
  for (s = first(a->hash_labels); s != nil(a->hash_labels); s = next(s)) {
    spaces(nsp);
    printf("hash_label at %f ", ptoc(s->s->x, a));
    show_string(s->s->label);
  }
}

show_legend(l, nsp, g)
Legend l;
int nsp;
Graph g;
{
  if (l->type == 'c') {
    spaces(nsp); printf("custom\n");
  } else if (l->type == 'n') {
    spaces(nsp); printf("off\n");
  }

  spaces(nsp); printf("linelength %f linebreak %f midspace %f\n",
     ptodist(l->linelength, g->x_axis), ptodist(l->linebreak, g->y_axis),
     ptodist(l->midspace, g->x_axis));
  if (l->type == 'u') {
    spaces(nsp); printf("defaults");
    show_label(l->l, nsp+2, g);
  }
}

show_graph(g, nsp)
Graph g;
int nsp;
{

  Curve c;
  String s;    
  spaces(nsp); printf("x_translate %f y_translate %f\n", 
                       ptoin(g->x_translate), ptoin(g->y_translate));
  spaces(nsp); printf("xaxis\n"); show_axis(g->x_axis, nsp+2, g);
  spaces(nsp); printf("yaxis\n"); show_axis(g->y_axis, nsp+2, g);
  spaces(nsp); if(!g->clip) printf("no"); printf("clip ");
               if(!g->border) printf("no"); printf("border\n");
  for (c = first(g->curves); c != nil(g->curves); c = next(c)) {
    spaces(nsp);
    printf("curve %d\n", c->num);
    show_curve(c, nsp+2, g);
  }
  spaces(nsp); printf("legend\n");
  show_legend(g->legend, nsp+2, g);
  if (g->title->label != CNULL) {
    spaces(nsp);
    printf("title\n");
    show_label(g->title, nsp+2, g);
  }
  for (s = first(g->strings); s != nil(g->strings); s = next(s)) {
    spaces(nsp);
    printf("string %d\n", s->num);
    show_label(s->s, nsp+2, g);
  }
}

show_graphs(gs)
Graphs gs;
{
  Graphs the_g;
  Graph g;
  char started;
  int i;

  started = 0;
  for (the_g = first(gs); the_g != nil(gs); the_g = next(the_g)) {
    if (started) printf("\nnewpage\n");
    started = 1;
    printf("X %f Y %f\n", ptoin(the_g->width), ptoin(the_g->height));
    if (the_g->preamble != CNULL) {
      printf("preamble ");
      if (!the_g->prefile) printf(": ");
      show_mltiline(the_g->preamble);
    }
    if (the_g->epilogue != CNULL) {
      printf("epilogue ");
      if (!the_g->epifile) printf(": ");
      show_mltiline(the_g->epilogue);
    }
    printf("bbox"); 
    for (i = 0; i < 4; i++) printf(" %d", the_g->bb[i]);
    printf("\n");
    for (g = first(the_g->g); g != nil(the_g->g); g = next(g)) {
      printf("graph %d\n", g->num);
      show_graph(g, 2);
    }
  }
}



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