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Diff for /OpenXM_contrib/gnuplot/term/Attic/cgm.trm between version 1.1.1.2 and 1.1.1.3

version 1.1.1.2, 2000/01/22 14:16:20 version 1.1.1.3, 2003/09/15 07:09:36
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 /* Hey Emacs this is -*- C -*-  /*
  * $Id$   * $Id$
  */   */
   
Line 43 
Line 43 
  * TODO   * TODO
  *   better control over plot size (never cutting off labels, correct font   *   better control over plot size (never cutting off labels, correct font
  *   sizes)   *   sizes)
  *   Fix font sizes for portrait orientation  
    * REFERENCES
  *   *
    *   ISO 8632-1:1992 Computer Graphics Metafile (CGM), Part 1,
    *   Functional Specification.
    *
    *   ISO 8632-1:1992 Computer Graphics Metafile (CGM), Part 3,
    *   Binary Encoding.
    *
    *   FIPS PUB 128 - Computer Graphics Metafile (CGM).
    *
    *   MIL-STD-2301A Computer Graphics Metafile (CGM) Implementation
    *   Standard for the National Imagery Transmission Format Standard, 5
    *   June 1998, http://164.214.2.51/ntb/baseline/docs/2301a/.  Only a
    *   subset of CGM version 1, but does include the binary format for
    *   that subset.
    *
    *   MIL-D-28003A "Digital Representation for Communication of
    *   Illustration Data: CGM Application Profile", 15 November 1991,
    *   http://www-cals.itsi.disa.mil/core/standards/28003aa1.pdf.
    *
    *   "The computer graphics metafile", Lofton R. Henderson and Anne
    *   M. Mumford, Butterworths, London, 1990, ISBN 0-408-02680-4.
    *
  * AUTHOR   * AUTHOR
  *   Jim Van Zandt <jrv@vanzandt.mv.com>   *   Jim Van Zandt <jrv@vanzandt.mv.com>
  *   *
  * send your comments or suggestions to (info-gnuplot@dartmouth.edu).   * send your comments or suggestions to the author or
    * info-gnuplot@dartmouth.edu.
 */  */
   
 #include "driver.h"  #include "driver.h"
Line 76  TERM_PUBLIC int CGM_text_angle __PROTO((int ang));
Line 99  TERM_PUBLIC int CGM_text_angle __PROTO((int ang));
 TERM_PUBLIC int CGM_justify_text __PROTO((enum JUSTIFY mode));  TERM_PUBLIC int CGM_justify_text __PROTO((enum JUSTIFY mode));
 TERM_PUBLIC void CGM_point __PROTO((unsigned int x, unsigned int y,  TERM_PUBLIC void CGM_point __PROTO((unsigned int x, unsigned int y,
                                     int number));                                      int number));
 TERM_PUBLIC int CGM_find_font __PROTO((char *font, int numchar));  TERM_PUBLIC int CGM_find_font __PROTO((char *name, int len, double *relwidth));
 TERM_PUBLIC int CGM_set_font __PROTO((char *font));  TERM_PUBLIC int CGM_set_font __PROTO((char *font));
 TERM_PUBLIC void CGM_set_pointsize __PROTO((double size));  TERM_PUBLIC void CGM_set_pointsize __PROTO((double size));
   
Line 86  TERM_PUBLIC void CGM_set_pointsize __PROTO((double siz
Line 109  TERM_PUBLIC void CGM_set_pointsize __PROTO((double siz
                                 /* convert from plot units to pt */                                  /* convert from plot units to pt */
 #define CGM_PT ((term->xmax + CGM_MARGIN)/cgm_plotwidth)  #define CGM_PT ((term->xmax + CGM_MARGIN)/cgm_plotwidth)
 #define CGM_LINE_TYPES 9        /* number of line types we support */  #define CGM_LINE_TYPES 9        /* number of line types we support */
 #define CGM_COLORS 7            /* number of colors we support */  #define CGM_COLORS 8            /* number of line colors we support in
 #define CGM_POINTS 8            /* number of markers we support */                                     the default color table */
   #define CGM_POINTS 13           /* number of markers we support */
 #define CGM_MAX_SEGMENTS 104    /* maximum # polyline coordinates */  #define CGM_MAX_SEGMENTS 104    /* maximum # polyline coordinates */
 #define CGM_VCHAR (CGM_SMALL/360*12)  #define CGM_VCHAR (CGM_SMALL/360*12)
 #define CGM_HCHAR (CGM_SMALL/360*12*5/9)  #define CGM_HCHAR (CGM_SMALL/360*12*5/9)
Line 119  TERM_PUBLIC void CGM_set_pointsize __PROTO((double siz
Line 143  TERM_PUBLIC void CGM_set_pointsize __PROTO((double siz
 #endif  #endif
   
 /* uncomment the following to enable assertions for this module only,  /* uncomment the following to enable assertions for this module only,
    regardless of compiler switches */     regardless of compiler switches
 #ifdef NDEBUG  #ifdef NDEBUG
 #define DEFEAT_ASSERTIONS  #define DEFEAT_ASSERTIONS
 #endif  #endif
 #undef NDEBUG  #undef NDEBUG
 #include <assert.h>  #include <assert.h>
    */
   
   
 #define CGM_ADJ (sizeof(int)/sizeof(short))  #define CGM_ADJ (sizeof(int)/sizeof(short))
   
 static unsigned int cgm_posx;  static unsigned int cgm_posx;
Line 134  static unsigned int cgm_posy;
Line 158  static unsigned int cgm_posy;
 static unsigned int cgm_linetype = 1;  static unsigned int cgm_linetype = 1;
 static unsigned int cgm_dashtype = 0;  static unsigned int cgm_dashtype = 0;
 static unsigned int cgm_color = 0;  static unsigned int cgm_color = 0;
 static int cgm_polyline[CGM_MAX_SEGMENTS];      /* stored polyline coordinates */  static int cgm_polyline[CGM_MAX_SEGMENTS]; /* stored polyline coordinates */
 static int cgm_coords = 0;      /* # polyline coordinates saved */  static int cgm_coords = 0;      /* # polyline coordinates saved */
 enum JUSTIFY cgm_justify = LEFT;  /* static enum JUSTIFY cgm_justify = LEFT; */ /* unused */
 static int cgm_vert_text = 0;   /* text orientation -- nonzero for vertical */  
 static int cgm_vert_text_requested = 0;  
 static int cgm_step_sizes[8];   /* array of currently used dash  static int cgm_step_sizes[8];   /* array of currently used dash
                                    lengths in plot units */                                     lengths in plot units */
 static int cgm_step_index = 0;  /* index into cgm_step_sizes[] */  static int cgm_step_index = 0;  /* index into cgm_step_sizes[] */
 static int cgm_step = 0;        /* amount of current dash not yet  static int cgm_step = 0;        /* amount of current dash not yet
                                    drawn, in plot units */                                     drawn, in plot units */
 static int cgm_tic, cgm_tic707, cgm_tic866, cgm_tic500, cgm_tic1241, cgm_tic1077, cgm_tic621;   /* marker dimensions */  static int cgm_tic, cgm_tic707, cgm_tic866, cgm_tic500, cgm_tic1241, cgm_tic1077, cgm_tic621;   /* marker dimensions */
         /* Each font string is preceded by a byte with its length */  static struct cgm_properties {
 static char GPFAR cgm_font_data[] =    double angle;                 /* angle of text baseline (radians
 {"\                                     counter-clockwise from horizontal) */
 \005Arial\    int font_index;               /* font index */
 \014Arial Italic\    int char_height;              /* character height in picture units */
 \012Arial Bold\    enum JUSTIFY justify_mode;    /* how text is justified */
 \021Arial Bold Italic\  
 \013Times Roman\  
 \022Times Roman Italic\  
 \020Times Roman Bold\  
 \027Times Roman Bold Italic\  
 \011Helvetica\  
 \005Roman\  
 "};  
   
     int edge_visibility;          /* nonzero if edge is visible */
     int edge_color;
     int fill_color;
   } cgm_current={-1,-1,-1,(enum JUSTIFY)-1,-1,-1,-1}, /* written to file */
    cgm_next={0,-2,-2,LEFT,-2,-2,-2}, /* needed for next text string/marker */
    cgm_reset={-1,-1,-1,(enum JUSTIFY)-1,-1,-1,-1}; /* invalid entries */
   
   static int cgm_user_color_count[] = { 0 };
   static int cgm_user_color_max = 0;
   static int cgm_maximum_color_index[] = { CGM_COLORS };
   static int GPFAR *cgm_user_color_table;
   static int GPFAR cgm_default_color_table[] =
   {
        0,                         /* starting index */
        255,255,255,               /* white (the background color) */
        0,0,0,                     /* black */
        255,0,0,                   /* red */
        0,255,0,                   /* green */
        0,0,255,                   /* blue */
        255,165,0,                 /* orange */
        255,0,255,                 /* magenta */
        0,255,255,                 /* cyan */
        190,190,190                /* gray75 (which Windows calls "gray 25%") */
   };
   
   struct fontdata {
     char *name;                   /* the name of the font */
     double width;                 /* the width of the font, relative to
                                      Times Bold Italic.  The width
                                      adjustment can only be approximate.
                                      Of the standard fonts, only the
                                      four versions of "Courier" are
                                      monospaced. Also, metrics of the
                                      same font from different foundaries
                                      are sometimes different.  */
   };
   
   struct fontdata GPFAR cgm_basic_font_data[]={
   
       /* these are WebCGM recommended fonts */
       {"Helvetica",1.039},
       {"Helvetica Oblique",1.099},
       {"Helvetica Bold",1.083},
       {"Helvetica Bold Oblique",1.011},
       {"Times Roman",.981},
       {"Times Bold",.985},
       {"Times Italic",.959},
       {"Times Bold Italic",1.0},
       {"Courier",1.327},
       {"Courier Bold",1.327},
       {"Courier Oblique",1.218},
       {"Courier Bold Oblique",1.341},
       {"Symbol",.897},
   
       /* These are basic public domain fonts required by MIL-D-28003A */
       {"Hershey/Cartographic_Roman",1.2404},
       {"Hershey/Cartographic_Greek",.9094},
       {"Hershey/Simplex_Roman",1.2369},
       {"Hershey/Simplex_Greek",.9129},
       {"Hershey/Simplex_Script",1.4181},
       {"Hershey/Complex_Roman",1.1150},
       {"Hershey/Complex_Greek",.9059},
       {"Hershey/Complex_Script",1.3868},
       {"Hershey/Complex_Italic",1.4146},
       {"Hershey/Complex_Cyrillic",1.2056},
       {"Hershey/Duplex_Roman",1.1707},
       {"Hershey/Triplex_Roman",1.3240},
       {"Hershey/Triplex_Italic",1.3310},
       {"Hershey/Gothic_German",1.2056},
       {"Hershey/Gothic_English",1.2021},
       {"Hershey/Gothic_Italian",1.2021},
       {"Hershey/Symbol_Set_1",.9059},
       {"Hershey/Symbol_Set_2",.9059},
       {"Hershey/Symbol_Math",.9059},
   
       /* These are available in the Microsoft Office import filter.  By
          default, the script font can apparently be accessed only via
          the name "15".  */
       {"ZapfDingbats",1.583},
       {"Script",1.139},
       {"15",1.139},
   
       /* in the Microsoft Office and Corel Draw import filters, these
          are pseudonyms for some of the above */
       {"Helvetica Italic",1.099},
       {"Helvetica Bold Italic",1.011},
       {"Courier Italic",1.218},
       {"Courier Bold Italic",1.341},
       {"Times Oblique",.959},
       {"Times Bold Oblique",1.0},
   
       {0,0}
     },
       *cgm_font_data = cgm_basic_font_data;
   
   #define DEFAULT_CGMFONT "Helvetica Bold"
   
 /* variables to record the options */  /* variables to record the options */
 static char cgm_font[32] = "Arial Bold";  static char cgm_font[32] = DEFAULT_CGMFONT;
 static unsigned int cgm_fontsize = 10;  static unsigned int cgm_fontsize = 12;
 static unsigned cgm_linewidth;  /* line width in plot units */  static unsigned cgm_linewidth;  /* line width in plot units */
 static unsigned cgm_linewidth_pt = 1;   /* line width in pt */  static unsigned cgm_linewidth_pt = 1;   /* line width in pt */
 static TBOOLEAN cgm_monochrome = FALSE;         /* colors enabled? */  static TBOOLEAN cgm_monochrome = FALSE;         /* colors enabled? */
Line 170  static int cgm_plotwidth = 432; /* assumed width of pl
Line 281  static int cgm_plotwidth = 432; /* assumed width of pl
 static TBOOLEAN cgm_portrait = FALSE;   /* portrait orientation? */  static TBOOLEAN cgm_portrait = FALSE;   /* portrait orientation? */
 static TBOOLEAN cgm_rotate = TRUE;      /* text rotation enabled? */  static TBOOLEAN cgm_rotate = TRUE;      /* text rotation enabled? */
 static TBOOLEAN cgm_dashed = TRUE;      /* dashed linestyles enabled? */  static TBOOLEAN cgm_dashed = TRUE;      /* dashed linestyles enabled? */
 static TBOOLEAN cgm_winword6_mode = FALSE;      /* workaround for WinWord bug? */  static TBOOLEAN cgm_nofontlist_mode = FALSE;    /* omit font list? */
   
 /* prototypes for static functions */  /* prototypes for static functions */
   static void CGM_local_reset __PROTO((void));
 static void CGM_flush_polyline __PROTO((void));  static void CGM_flush_polyline __PROTO((void));
 static void CGM_flush_polygon __PROTO((void));  static void CGM_flush_polygon __PROTO((void));
 static void CGM_write_char_record __PROTO((int class, int cgm_id, int length,  static void CGM_write_char_record __PROTO((int class, int cgm_id, int length,
Line 187  static void CGM_write_mixed_record __PROTO((int class,
Line 299  static void CGM_write_mixed_record __PROTO((int class,
 static void CGM_write_byte_record __PROTO((int class, int cgm_id, int length,  static void CGM_write_byte_record __PROTO((int class, int cgm_id, int length,
                                            char *data));                                             char *data));
   
   TERM_PUBLIC void
   CGM_options()
   {
       struct value a;
   
       CGM_local_reset();
   
 TERM_PUBLIC void CGM_init()      while (!END_OF_COMMAND) {
           if (almost_equals(c_token, "p$ortrait")) {
               cgm_portrait = TRUE;
               c_token++;
               continue;
           }
           if (almost_equals(c_token, "la$ndscape")) {
               cgm_portrait = FALSE;
               c_token++;
               continue;
           }
           if (almost_equals(c_token, "de$fault")) {
               CGM_local_reset();
               c_token++;
               continue;
           }
           if (almost_equals(c_token, "nof$ontlist")
               || almost_equals(c_token, "w$inword6")) { /* deprecated */
               cgm_nofontlist_mode = TRUE;
               c_token++;
               continue;
           }
           if (almost_equals(c_token, "m$onochrome")) {
               cgm_monochrome = TRUE;
               c_token++;
               continue;
           }
           if (almost_equals(c_token, "c$olor")
               || almost_equals(c_token, "c$olour")) {
               cgm_monochrome = FALSE;
               c_token++;
               continue;
           }
           if (almost_equals(c_token, "r$otate")) {
               cgm_rotate = TRUE;
               c_token++;
               continue;
           }
           if (almost_equals(c_token, "nor$otate")) {
               cgm_rotate = FALSE;
               c_token++;
               continue;
           }
           if (almost_equals(c_token, "da$shed")) {
               cgm_dashed = TRUE;
               c_token++;
               continue;
           }
           if (almost_equals(c_token, "s$olid")) {
               cgm_dashed = FALSE;
               c_token++;
               continue;
           }
           if (almost_equals(c_token, "li$newidth")) {
               c_token++;
               if (!END_OF_COMMAND) {
                   cgm_linewidth_pt = (unsigned int) real(const_express(&a));
                   if (cgm_linewidth_pt == 0 || cgm_linewidth_pt > 10000) {
                       int_warn("linewidth out of range", c_token);
                       cgm_linewidth_pt = 1;
                   }
                   c_token++;
                   continue;
               } else {
                   int_error("linewidth option needs an argument", c_token);
               }
           }
           if (almost_equals(c_token, "wid$th")) {
               c_token++;
               if (!END_OF_COMMAND) {
                   cgm_plotwidth = (int) real(const_express(&a));
                   if (cgm_plotwidth < 0 || cgm_plotwidth > 10000) {
                       int_warn("width out of range", c_token);
                       cgm_plotwidth = 6 * 72;
                   }
                   continue;
               } else {
                   int_error("width option needs an argument", c_token);
               }
           }
           if (isstring(c_token)) {
               double relwidth;
   
               quote_str(cgm_font, c_token, MAX_ID_LEN);
               if (CGM_find_font(cgm_font, strlen(cgm_font),
                                 &relwidth) == 0) {
                   /* insert the font in the font table */
                   size_t l = strlen(cgm_font);
                   int n;
   
                   for (n=0; cgm_font_data[n].name; n++)
                       ;   /* do nothing */
                   if (l <= 255) {
                       struct fontdata *new_font_data;
                       int i;
   
                       new_font_data = gp_alloc((n + 2) * sizeof(struct fontdata),
                                                "CGM font list");
                       new_font_data->name = gp_alloc(l+1,"CGM font list");
                       strcpy(new_font_data->name, cgm_font);
                       /* punt, since we don't know the real font width */
                       new_font_data->width = 1.0;
                       for (i = 0; i <= n; i++)
                           new_font_data[i+1] = cgm_font_data[i];
                       cgm_font_data = new_font_data;
                   } /* if(name not too long */
                   c_token++;
                   continue;
               } /* if (font parsing successful) */
           } /* if (string) --> font name */
   
           if (isanumber(c_token)) {
               /* the user is specifying the font size */
               cgm_fontsize = (int) real(const_express(&a));
               continue;
           }
   
           if (input_line[token[c_token].start_index] == 'x') {
               /* set color */
               char *string = input_line + token[c_token].start_index;
               unsigned short red, green, blue;
   
               if (sscanf(string, "x%2hx%2hx%2hx", &red, &green, &blue ) != 3)
                   int_error("invalid color spec, must be xRRGGBB",c_token);
               if (cgm_user_color_count[0] >= cgm_user_color_max) {
                   cgm_user_color_max = cgm_user_color_max*2 + 4;
                   cgm_user_color_table =
                       gp_realloc(cgm_user_color_table,
                                  (cgm_user_color_max*3+1)*sizeof(int),
                                  "CGM color table");
                   /* 1st table entry is the minimum color index value */
                   cgm_user_color_table[0] = 0;
               }
               cgm_user_color_table[1 + 3*cgm_user_color_count[0]] = red;
               cgm_user_color_table[2 + 3*cgm_user_color_count[0]] = green;
               cgm_user_color_table[3 + 3*cgm_user_color_count[0]] = blue;
               cgm_user_color_count[0]++;
               ++c_token;
               continue;
           } /* if (string begins with 'x') */
   
           break;
       } /* while(!END_OF_COMMAND) */
   
       if (cgm_portrait) {
           term->xmax = CGM_SMALL - CGM_MARGIN;
           term->ymax = CGM_LARGE - CGM_MARGIN;
       } else {
           term->xmax = CGM_LARGE - CGM_MARGIN;
           term->ymax = CGM_SMALL - CGM_MARGIN;
       }
   
       {   /* cgm_font, cgm_fontsize, and/or term->v_char may have changed */
           double w;
           CGM_find_font(cgm_font, strlen(cgm_font), &w);
           term->v_char = (unsigned int) (cgm_fontsize*CGM_PT);
           term->h_char = (unsigned int) (cgm_fontsize*CGM_PT*.527*w);
       }
   
       sprintf(default_font, "%s,%d", cgm_font, cgm_fontsize);
       /* default_font holds the font and size set at 'set term' */
       sprintf(term_options, "%s %s %s %s %s width %d linewidth %d \"%s\" %d",
               cgm_portrait ? "portrait" : "landscape",
               cgm_monochrome ? "monochrome" : "color",
               cgm_rotate ? "rotate" : "norotate",
               cgm_dashed ? "dashed" : "solid",
               cgm_nofontlist_mode ? "nofontlist" : "",
               cgm_plotwidth,
               cgm_linewidth_pt,
               cgm_font, cgm_fontsize);
   
       if (cgm_user_color_count[0]) {
           int i, red, green, blue;
           for (i = 0; i < cgm_user_color_count[0] &&
                    (strlen(term_options) + 9 < MAX_LINE_LEN); i++) {
               red = cgm_user_color_table[1 + 3*i];
               green = cgm_user_color_table[2 + 3*i];
               blue = cgm_user_color_table[3 + 3*i];
               sprintf(term_options + strlen(term_options),
                       " x%02x%02x%02x", red, green, blue);
           }
           if (cgm_user_color_count[0] == 1) {
               /* user only specified the background color */
               cgm_default_color_table[1] = cgm_user_color_table[1];
               cgm_default_color_table[2] = cgm_user_color_table[2];
               cgm_default_color_table[3] = cgm_user_color_table[3];
               cgm_user_color_count[0] = 0;
           } else {
               cgm_maximum_color_index[0] = cgm_user_color_count[0] - 1;
           }
       }
   }
   
   static void
   CGM_local_reset()
 {  {
       double w;
       strcpy(cgm_font, DEFAULT_CGMFONT);
       CGM_find_font(cgm_font, strlen(cgm_font), &w);
       cgm_fontsize = 12;
       term->v_char = (unsigned int) (cgm_fontsize * CGM_PT);
       term->h_char = (unsigned int) (cgm_fontsize * CGM_PT * .527 * w);
       cgm_linewidth_pt = 1;
       cgm_monochrome = FALSE;
       cgm_plotwidth = 6 * 72;
       cgm_portrait = FALSE;
       cgm_rotate = TRUE;
       cgm_dashed = TRUE;
       cgm_nofontlist_mode = FALSE;
       cgm_current = cgm_reset;
       cgm_user_color_count[0] = 0;
   }
   
   TERM_PUBLIC void
   CGM_init()
   {
     cgm_posx = cgm_posy = 0;      cgm_posx = cgm_posy = 0;
     cgm_linetype = 0;      cgm_linetype = 0;
     cgm_vert_text = 0;      cgm_next.angle = 0;
 }  }
   
 TERM_PUBLIC void CGM_graphics()  TERM_PUBLIC void
   CGM_graphics()
 {  {
     register struct termentry *t = term;      register struct termentry *t = term;
     static int version_data[] = { 1 };      static int version_data[] = { 1 };
     static char GPFAR description_data[] = "Computer Graphics Metafile version of Gnuplot";  
     static int vdc_type_data[] = { 0 };      static int vdc_type_data[] = { 0 };
     static int integer_precision_data[] = { 16 };      static int integer_precision_data[] = { 16 };
     static int real_precision_data[] = { 1, 16, 16 };      static int real_precision_data[] = { 1, 16, 16 };
     static int index_precision_data[] = { 16 };      static int index_precision_data[] = { 16 };
     static int color_precision_data[] = { 16 };      static int color_precision_data[] = { 16 };
     static int color_index_precision_data[] = { 16 };      static int color_index_precision_data[] = { 16 };
     static int maximum_color_index_data_data[] = { CGM_COLORS };  
     static int scaling_mode_data[] = { 0, 0, 0 };      static int scaling_mode_data[] = { 0, 0, 0 };
     static int color_value_extent_data[] = { 0, 0, 0, 255, 255, 255 };      static int color_value_extent_data[] = { 0, 0, 0, 255, 255, 255 };
     static int GPFAR color_table_data[] =  
 /* for testing  
     {  
       8, 0,0,0, 64,64,64, 128,128,128, 196,196,196, 0,255,255, 255,0,255,  
       255,255,0, 255,255,255  
     };  
 */  
     {  
 /*      CGM_COLORS,     */  
         0, 255, 255, 255,  
         0, 0, 0, 255, 0, 0, 0, 255, 0, 0, 0, 255, 255, 255, 0, 255, 0, 255, 0, 255, 255  
 /*    black    red     green    blue      yellow    magenta     cyan  */  
     };  
   
     static int color_selection_mode_data[] = { 0 };      static int color_selection_mode_data[] = { 0 };
     static int linewidth_specification_mode_data[] = { 0 };      static int linewidth_specification_mode_data[] = { 0 };
       static int edge_width_specification_mode_data[] = { 0 };
     static int marker_size_specification_mode_data[] = { 0 };      static int marker_size_specification_mode_data[] = { 0 };
     static int vdc_extent_data[] = { 0, 0, 0, 0 };      static int vdc_extent_data[] = { 0, 0, 0, 0 };
     static int vdc_integer_precision_data[] = { 16 };  
     static int transparency_data[] = { 1 }; /* text background: 1=transparent */  
     static int clip_indicator_data[] = { 0 };  
 /*  static int line_color_data[] = { 1 }; */  /*  static int line_color_data[] = { 1 }; */
     static int line_type_data[] = { 1 };      static int line_type_data[] = { 1 };
     static int interior_style_data[] = { 1 };                   /* 1=filled */      static int interior_style_data[] = { 1 };                   /* 1=filled */
Line 252  TERM_PUBLIC void CGM_graphics()
Line 566  TERM_PUBLIC void CGM_graphics()
         1, 7,                   /* Color Precision */          1, 7,                   /* Color Precision */
         1, 8,                   /* Color Index Precision */          1, 8,                   /* Color Index Precision */
         1, 9,                   /* Maximum Color Index */          1, 9,                   /* Maximum Color Index */
           1, 10,                  /* Color Value Extent */
           1, 13,                  /* Font List */
         2, 1,                   /* Scaling Mode */          2, 1,                   /* Scaling Mode */
         2, 2,                   /* Color Selection Mode */          2, 2,                   /* Color Selection Mode */
         2, 3,                   /* Line Width Specification Mode */          2, 3,                   /* Line Width Specification Mode */
         2, 4,                   /* Marker Size Specification Mode */          2, 4,                   /* Marker Size Specification Mode */
           2, 5,                   /* Edge Width Specification Mode */
         2, 6,                   /* VDC Extent */          2, 6,                   /* VDC Extent */
   #ifdef NEVER
           /* disabled due to complaints from CGM import filters */
         3, 1,                   /* VDC Integer Precision */          3, 1,                   /* VDC Integer Precision */
         3, 4,                   /* Transparency */          3, 4,                   /* Transparency */
         3, 6,                   /* Clip Indicator */          3, 6,                   /* Clip Indicator */
   #endif
         4, 1,                   /* Polyline */          4, 1,                   /* Polyline */
         4, 3,                   /* Polymarker */          4, 3,                   /* Polymarker */
         4, 4,                   /* Text */          4, 4,                   /* Text */
Line 285  TERM_PUBLIC void CGM_graphics()
Line 605  TERM_PUBLIC void CGM_graphics()
         5, 22,                  /* Interior Style */          5, 22,                  /* Interior Style */
         5, 23,                  /* Fill Color */          5, 23,                  /* Fill Color */
         5, 24,                  /* Hatch Index */          5, 24,                  /* Hatch Index */
           5, 27,                  /* Edge Type */
           5, 28,                  /* Edge Width */
           5, 29,                  /* Edge Color */
           5, 30,                  /* Edge Visibility */
           5, 34,                  /* Color Table */
         6, 1,                   /* Escape */          6, 1,                   /* Escape */
         7, 2                    /* Application Data */          7, 2                    /* Application Data */
     };      };
   
     /* metafile description (class 1) */      /* metafile description (class 1), including filename if available */
     if (!outstr)      if (!outstr)
         CGM_write_char_record(0, 1, 1, outstr);          CGM_write_char_record(0, 1, 1, outstr);
     else      else
         CGM_write_char_record(0, 1, strlen(outstr) + 1, outstr);          CGM_write_char_record(0, 1, strlen(outstr) + 1, outstr);
     CGM_write_int_record(1, 1, 2, version_data);      CGM_write_int_record(1, 1, 2, version_data);
     CGM_write_char_record(1, 2, sizeof(description_data), description_data);      {
         char description_data[256];
         sprintf(description_data, "\
   Gnuplot version %s patchlevel %s,\
    Computer Graphics Metafile version 1 per MIL-D-28003A/BASIC-1.%d",
                 gnuplot_version, gnuplot_patchlevel, cgm_monochrome? 0:2);
           CGM_write_char_record(1, 2, strlen(description_data),
                                 description_data);
       }
       elements_list_data[0] = (sizeof(elements_list_data) / CGM_ADJ - 2) / 4;
       CGM_write_int_record(1, 11, sizeof(elements_list_data) / CGM_ADJ,
                            elements_list_data);
     CGM_write_int_record(1, 3, 2, vdc_type_data);      CGM_write_int_record(1, 3, 2, vdc_type_data);
     CGM_write_int_record(1, 4, 2, integer_precision_data);      CGM_write_int_record(1, 4, 2, integer_precision_data);
     CGM_write_int_record(1, 5, 6, real_precision_data);      CGM_write_int_record(1, 5, 6, real_precision_data);
     CGM_write_int_record(1, 6, 2, index_precision_data);      CGM_write_int_record(1, 6, 2, index_precision_data);
     CGM_write_int_record(1, 7, 2, color_precision_data);      CGM_write_int_record(1, 7, 2, color_precision_data);
     CGM_write_int_record(1, 8, 2, color_index_precision_data);      CGM_write_int_record(1, 8, 2, color_index_precision_data);
     CGM_write_int_record(1, 9, 2, maximum_color_index_data_data);      CGM_write_int_record(1, 9, 2, cgm_maximum_color_index);
     CGM_write_int_record(1, 10, sizeof(color_value_extent_data) / CGM_ADJ,      CGM_write_int_record(1, 10, sizeof(color_value_extent_data) / CGM_ADJ,
                          color_value_extent_data);                           color_value_extent_data);
     elements_list_data[0] = (sizeof(elements_list_data) / CGM_ADJ - 2) / 4;      if (cgm_nofontlist_mode == FALSE)
     CGM_write_int_record(1, 11, sizeof(elements_list_data) / CGM_ADJ,        {
                          elements_list_data);          char *buf, *s;
     if (cgm_winword6_mode == FALSE)          int i, lgh = 0;
         CGM_write_byte_record(1, 13, strlen(cgm_font_data), cgm_font_data);          for (i = 0; cgm_font_data[i].name; i++)
             lgh += strlen(cgm_font_data[i].name) + 1;
           buf = gp_alloc(lgh + 1, "CGM font list");
           for (s = buf, i = 0; cgm_font_data[i].name; i++)
             {
               int lgh = strlen(cgm_font_data[i].name);
               *s++ = (char)lgh;
               strcpy(s, cgm_font_data[i].name);
               s += lgh;
             }
           CGM_write_byte_record(1, 13, lgh, buf);
           free(buf);
         }
   
     /* picture description (classes 2 and 3) */      /* picture description (classes 2 and 3) */
     CGM_write_char_record(0, 3, 8, "PICTURE1");      CGM_write_char_record(0, 3, 8, "PICTURE1");
Line 317  TERM_PUBLIC void CGM_graphics()
Line 665  TERM_PUBLIC void CGM_graphics()
     CGM_write_int_record(2, 2, 2, color_selection_mode_data);      CGM_write_int_record(2, 2, 2, color_selection_mode_data);
     CGM_write_int_record(2, 3, 2, linewidth_specification_mode_data);      CGM_write_int_record(2, 3, 2, linewidth_specification_mode_data);
     CGM_write_int_record(2, 4, 2, marker_size_specification_mode_data);      CGM_write_int_record(2, 4, 2, marker_size_specification_mode_data);
       CGM_write_int_record(2, 5, 2, edge_width_specification_mode_data);
     vdc_extent_data[2] = t->xmax + CGM_MARGIN;      vdc_extent_data[2] = t->xmax + CGM_MARGIN;
     vdc_extent_data[3] = t->ymax + CGM_MARGIN;      vdc_extent_data[3] = t->ymax + CGM_MARGIN;
     CGM_write_int_record(2, 6, 8, vdc_extent_data);      CGM_write_int_record(2, 6, 8, vdc_extent_data);
     CGM_write_int_record(3, 1, 2, vdc_integer_precision_data);  
     CGM_write_int_record(3, 4, sizeof(transparency_data) / CGM_ADJ,  
                          transparency_data);  
     CGM_write_int_record(3, 6, sizeof(clip_indicator_data) / CGM_ADJ,  
                          clip_indicator_data);  
   
     /* picture body (classes 4 and 5) */      /* picture body (classes 4 and 5) */
     CGM_write_int_record(0, 4, 0, NULL);      CGM_write_int_record(0, 4, 0, NULL);
     /* The WinWord 6.0 and PublishIt input  
        filters seem to mostly ignore the  #ifdef NEVER            /* no need for these, since we accept the defaults */
        color table.  With the table, WinWord      {
        maps color 7 to black. */        static int vdc_integer_precision_data[] = { 16 };
     if (!cgm_winword6_mode)        CGM_write_int_record(3, 1, 2, vdc_integer_precision_data);
         CGM_write_int_record(5, 34, sizeof(color_table_data) / CGM_ADJ,      }
                              color_table_data);      {
         static int transparency_data[] = { 1 }; /* text background:
                                                    0=auxiliary color
                                                    1=transparent */
         CGM_write_int_record(3, 4, sizeof(transparency_data) / CGM_ADJ,
                              transparency_data);
       }
       {
         static int clip_indicator_data[] = { 0 };
         CGM_write_int_record(3, 6, sizeof(clip_indicator_data) / CGM_ADJ,
                              clip_indicator_data);
       }
   #endif
       if (!cgm_monochrome) {
         if (cgm_user_color_count[0]) {
           CGM_write_int_record(5, 34, (cgm_user_color_count[0]*3+1)*
                                sizeof(cgm_user_color_table[0])/CGM_ADJ,
                                cgm_user_color_table);
         } else
           CGM_write_int_record(5, 34, sizeof(cgm_default_color_table)/CGM_ADJ,
                              cgm_default_color_table);
       }
     CGM_write_int_record(5, 2, sizeof(line_type_data) / CGM_ADJ,      CGM_write_int_record(5, 2, sizeof(line_type_data) / CGM_ADJ,
                          line_type_data);                           line_type_data); /* line type 1=SOLID */
     cgm_linewidth = cgm_linewidth_pt * CGM_PT;      cgm_linewidth = cgm_linewidth_pt * CGM_PT;
     CGM_write_int_record(5, 3, sizeof(cgm_linewidth) / CGM_ADJ,      CGM_write_int_record(5, 3, sizeof(cgm_linewidth) / CGM_ADJ,
                          (int *) &cgm_linewidth);                           (int *) &cgm_linewidth); /* line width */
       CGM_write_int_record(5, 28, sizeof(cgm_linewidth) / CGM_ADJ,
                            (int *) &cgm_linewidth); /* edge width */
       CGM_write_int_record(5, 27,  sizeof(line_type_data) / CGM_ADJ,
                            line_type_data); /* edge type 1=SOLID */
     CGM_linecolor(0);      CGM_linecolor(0);
 /*  CGM_write_int_record(5, 4, sizeof(line_color_data)/CGM_ADJ, line_color_data); */  
     CGM_write_int_record(5, 15, 2, (int *) &t->v_char);      cgm_current = cgm_reset;
       cgm_next.char_height = t->v_char;
   
     CGM_write_int_record(5, 22, 2, interior_style_data);      CGM_write_int_record(5, 22, 2, interior_style_data);
     {      {
         char buf[45];          char buf[45];
Line 352  TERM_PUBLIC void CGM_graphics()
Line 723  TERM_PUBLIC void CGM_graphics()
     CGM_set_pointsize(pointsize);      CGM_set_pointsize(pointsize);
 }  }
   
 TERM_PUBLIC int CGM_find_font(font, numchar)  /* Return the index for the font with the name `name'.  The index for
 char *font;     the first font is 1.  Set relwidth to the width of the font,
 int numchar;     relative to Times Bold Italic.  If the font is not in the table,
      set *relwidth to 1.0 and return 0. */
   TERM_PUBLIC int
   CGM_find_font(name, numchar, relwidth)
       char *name;
       int numchar;
       double *relwidth;
 {  {
     int font_index = 1;      int i;
     char *s;      *relwidth = 1.;
     for (s = cgm_font_data; s < cgm_font_data + strlen(cgm_font_data); s += (int) *s + 1) {      for (i=0; cgm_font_data[i].name; i++)
         /* strnicmp is not standard, but defined by stdfn.c if not available */        /* strnicmp is not standard, but defined by stdfn.c if not available */
         if (numchar == (int) *s && strnicmp(font, s + 1, numchar - 1) == 0)        if (strlen(cgm_font_data[i].name) == numchar &&
             return font_index;            strnicmp(name, cgm_font_data[i].name, numchar) == 0)
         font_index++;          {
     }            *relwidth = cgm_font_data[i].width;
             return i+1;
           }
   
     return 0;      return 0;
 }  }
   
 TERM_PUBLIC int CGM_set_font(font)  TERM_PUBLIC int
   CGM_set_font(font)
 char *font;  char *font;
 {  {
     register struct termentry *t = term;      register struct termentry *t = term;
     int size, font_index;      int size, font_index;
     char *comma;      char *comma = strchr(font, ',');
     int sep;      int len;
       double width;
   
     comma = strchr(font, ',');  
     if (comma == NULL)  
         return FALSE;           /* bad format */  
     sep = comma - font;  
     /* find font in font table, or use 1st font */      /* find font in font table, or use 1st font */
     font_index = CGM_find_font(font, sep);      if (comma)
           len = comma - font;
       else
           len = strlen(font);
   
       font_index = CGM_find_font(font, len, &width);
     if (font_index == 0)      if (font_index == 0)
         font_index = 1;          font_index = 1;
     CGM_write_int_record(5, 10, 2, &font_index);      cgm_next.font_index = font_index;
   
       {
         char *s = cgm_font_data[font_index-1].name;
   
         len = strlen(s);
         if (len > 31)
           len = 31;
         strncpy(cgm_font, s, len);
         cgm_font[len] = NUL;
       }
   
     /* set font size */      /* set font size */
     size = cgm_fontsize;      size = cgm_fontsize;
     sscanf(comma + 1, "%d", &size);      if (comma)
     if (sep > 31)          sscanf(comma + 1, "%d", &size);
         sep = 31;  
     strncpy(cgm_font, font, sep);  
     cgm_font[sep] = NUL;  
     t->v_char = size * CGM_PT;      t->v_char = size * CGM_PT;
     t->h_char = (t->v_char * 5) / 9;      t->h_char = size * CGM_PT * .527 * width;
     CGM_write_int_record(5, 15, 2, (int *) &t->v_char);  
       cgm_next.char_height = t->v_char;
   
     return TRUE;      return TRUE;
 }  }
   
 TERM_PUBLIC void CGM_text()  TERM_PUBLIC void
   CGM_text()
 {  {
     CGM_flush_polyline();      CGM_flush_polyline();
     CGM_write_int_record(0, 5, 0, NULL);        /* end picture */      CGM_write_int_record(0, 5, 0, NULL);        /* end picture */
     CGM_write_int_record(0, 2, 0, NULL);        /* end metafile */      CGM_write_int_record(0, 2, 0, NULL);        /* end metafile */
 }  }
   
 TERM_PUBLIC void CGM_linetype(linetype)  TERM_PUBLIC void
   CGM_linetype(linetype)
 int linetype;  int linetype;
 {  {
     assert(linetype >= -2);      assert(linetype >= -2);
Line 424  int linetype;
Line 818  int linetype;
     /* CGM_dashtype(linetype);  orig distribution              */      /* CGM_dashtype(linetype);  orig distribution              */
 }  }
   
 TERM_PUBLIC void CGM_linecolor(linecolor)  TERM_PUBLIC void
   CGM_linecolor(linecolor)
 int linecolor;  int linecolor;
 {  {
     assert(linecolor >= -2);      assert(linecolor >= -2);
     linecolor = (linecolor < 1) ? 1 : linecolor % CGM_COLORS + 1;      linecolor = (linecolor < 1) ? 1 :
         linecolor % cgm_maximum_color_index[0] + 1;
     if (cgm_monochrome || linecolor == cgm_color)      if (cgm_monochrome || linecolor == cgm_color)
         return;          return;
     cgm_color = linecolor;      cgm_color = linecolor;
   
     CGM_flush_polyline();      CGM_flush_polyline();
     CGM_write_int_record(5, 4, 2, (int *) &cgm_color);      CGM_write_int_record(5, 4, 2, (int *) &cgm_color);
     CGM_write_int_record(5, 23, 2, (int *) &cgm_color);  
 }  }
   
 TERM_PUBLIC void CGM_linewidth(width)  TERM_PUBLIC void
   CGM_linewidth(width)
 double width;  double width;
 {  {
     int new_linewidth;      int new_linewidth;
   
     assert(width >= 0);      assert(width > 0);
     new_linewidth = width * cgm_linewidth_pt * CGM_PT;      new_linewidth = width * cgm_linewidth_pt * CGM_PT;
     if (new_linewidth == cgm_linewidth)      if (new_linewidth == cgm_linewidth)
         return;          return;
   
       CGM_flush_polyline();
   
     cgm_linewidth = new_linewidth;      cgm_linewidth = new_linewidth;
     CGM_write_int_record(5, 3, sizeof(cgm_linewidth) / CGM_ADJ,      CGM_write_int_record(5, 3, sizeof(cgm_linewidth) / CGM_ADJ,
                          (int *) &cgm_linewidth);                           (int *) &cgm_linewidth);
     CGM_dashtype(cgm_dashtype); /* have dash lengths recalculated */      CGM_dashtype(cgm_dashtype); /* have dash lengths recalculated */
 }  }
   
 TERM_PUBLIC void CGM_dashtype(dashtype)  TERM_PUBLIC void
   CGM_dashtype(dashtype)
 int dashtype;  int dashtype;
 {  {
     int i, j;      int i, j;
Line 501  int dashtype;
Line 901  int dashtype;
     cgm_step_index = 1;      cgm_step_index = 1;
 }  }
   
 TERM_PUBLIC void CGM_move(x, y)  TERM_PUBLIC void
   CGM_move(x, y)
 unsigned int x, y;  unsigned int x, y;
 {  {
     assert(x < term->xmax && y < term->ymax);      assert(x < term->xmax && y < term->ymax);
   
     if (x == cgm_posx && y == cgm_posy)      if (x == cgm_posx && y == cgm_posy)
         return;          return;
     CGM_flush_polyline();      CGM_flush_polyline();
Line 512  unsigned int x, y;
Line 914  unsigned int x, y;
     cgm_posy = y;      cgm_posy = y;
 }  }
   
 static void CGM_flush_polyline()  static void
   CGM_flush_polyline()
 {  {
     if (cgm_coords == 0)      if (cgm_coords == 0)
         return;          return;
Line 520  static void CGM_flush_polyline()
Line 923  static void CGM_flush_polyline()
     cgm_coords = 0;      cgm_coords = 0;
 }  }
   
 static void CGM_write_char_record(class, cgm_id, numbytes, data)  static void
   CGM_write_char_record(class, cgm_id, numbytes, data)
 int class, cgm_id, numbytes;  int class, cgm_id, numbytes;
 char *data;  char *data;
 {  {
Line 546  char *data;
Line 950  char *data;
     }      }
   
     if (data)      if (data)
         fwrite(data, 1, numbytes, gpoutfile);          /* write string */          fwrite(data, 1, numbytes, gpoutfile);           /* write string */
     else      else
         for (i=0; i<numbytes+pad; i++)          for (i=0; i<numbytes+pad; i++)
             fputc('\0', gpoutfile);                     /* write null bytes */              fputc('\0', gpoutfile);                     /* write null bytes */
   
     if(pad)      if(pad)
       fwrite(&paddata, 1, 1, gpoutfile);        fwrite(&paddata, 1, 1, gpoutfile);
 }  }
   
 static void CGM_write_byte_record(class, cgm_id, numbytes, data)  static void
   CGM_write_byte_record(class, cgm_id, numbytes, data)
 int class, cgm_id, numbytes;  int class, cgm_id, numbytes;
 char *data;  char *data;
 {  {
Line 569  char *data;
Line 974  char *data;
       fwrite(&paddata, 1, 1, gpoutfile);        fwrite(&paddata, 1, 1, gpoutfile);
 }  }
   
 static void CGM_write_int_record(class, cgm_id, numbytes, data)  static void
   CGM_write_int_record(class, cgm_id, numbytes, data)
 int class, cgm_id, numbytes, *data;  int class, cgm_id, numbytes, *data;
 {  {
     int i;      int i;
Line 580  int class, cgm_id, numbytes, *data;
Line 986  int class, cgm_id, numbytes, *data;
         CGM_write_int(data[i]);          CGM_write_int(data[i]);
 }  }
   
 static void CGM_write_mixed_record(class, cgm_id, numint, int_data,  static void
                                    numchar, char_data)  CGM_write_mixed_record(class, cgm_id, numint, int_data, numchar, char_data)
 int class, cgm_id, numint, *int_data, numchar;  int class, cgm_id, numint, *int_data, numchar;
 char *char_data;  char *char_data;
 {  {
Line 624  char *char_data;
Line 1030  char *char_data;
    lllll is a 5-bit length (# bytes following the code word, or     lllll is a 5-bit length (# bytes following the code word, or
             31 followed by a word with the actual number)              31 followed by a word with the actual number)
    */     */
 static void CGM_write_code(class, cgm_id, length)  static void
   CGM_write_code(class, cgm_id, length)
 int class, cgm_id, length;  int class, cgm_id, length;
 {  {
     unsigned code;      unsigned code;
Line 646  int class, cgm_id, length;
Line 1053  int class, cgm_id, length;
     }      }
 }  }
   
 static void CGM_write_int(value)  static void
   CGM_write_int(value)
 int value;  int value;
 {  {
     union {      union {
Line 655  int value;
Line 1063  int value;
     } u;      } u;
   
 #if !defined(DOS16) && !defined(WIN16)  #if !defined(DOS16) && !defined(WIN16)
     assert(-32768 <= value && value <= 32767);      assert( -32768 <= value );
       assert( value <= 32767 );
 #endif  #endif
   
     u.c[0] = (value >> 8) & 255;        /* convert to network order */      u.c[0] = (value >> 8) & 255;        /* convert to network order */
Line 669  int value;
Line 1078  int value;
            6.0 filter, where lines of significant width (even 1 pt)             6.0 filter, where lines of significant width (even 1 pt)
            always come out solid.  Therefore, we implement dashed             always come out solid.  Therefore, we implement dashed
            lines here instead.  */             lines here instead.  */
 TERM_PUBLIC void CGM_dashed_vector(ux, uy)  TERM_PUBLIC void
   CGM_dashed_vector(ux, uy)
 unsigned int ux, uy;  unsigned int ux, uy;
 {  {
     int xa, ya;      int xa, ya;
Line 722  unsigned int ux, uy;
Line 1132  unsigned int ux, uy;
     cgm_step -= (int) remain;      cgm_step -= (int) remain;
 }  }
   
 TERM_PUBLIC void CGM_solid_vector(ux, uy)  TERM_PUBLIC void
   CGM_solid_vector(ux, uy)
 unsigned int ux, uy;  unsigned int ux, uy;
 {  {
     assert(ux < term->xmax && uy < term->ymax);      assert(ux < term->xmax && uy < term->ymax);
   
     if (ux == cgm_posx && uy == cgm_posy)      if (ux == cgm_posx && uy == cgm_posy)
         return;          return;
     if (cgm_coords > CGM_MAX_SEGMENTS - 2) {      if (cgm_coords > CGM_MAX_SEGMENTS - 2) {
Line 742  unsigned int ux, uy;
Line 1154  unsigned int ux, uy;
     cgm_posy = uy;      cgm_posy = uy;
 }  }
   
 TERM_PUBLIC void CGM_put_text(x, y, str)  TERM_PUBLIC void
   CGM_put_text(x, y, str)
 unsigned int x, y;  unsigned int x, y;
 char str[];  char str[];
 {  {
     static int where[3] = { 0, 0, 1 };      static int where[3] = { 0, 0, 1 }; /* the final "1" signals that
     int data[4];                                            this is the last text in the
                                             string */
     char *s = str;      char *s = str;
   
     while (*s)      while (*s)
Line 756  char str[];
Line 1170  char str[];
     return;      return;
   
   showit:    showit:
     if (cgm_vert_text != cgm_vert_text_requested) {  
         cgm_vert_text = cgm_vert_text_requested;  
         if (cgm_vert_text) {  
             data[0] = -term->v_char;  
             data[1] = data[2] = 0;  
             data[3] = term->v_char;  
         } else {  
             data[1] = data[2] = term->v_char;  
             data[0] = data[3] = 0;  
         }  
         CGM_write_int_record(5, 16, 8, data);  
     }  
     CGM_flush_polyline();      CGM_flush_polyline();
   
       /* update the text characteristics if they have changed since the
          last text string was output */
       if (cgm_current.font_index != cgm_next.font_index) {
         cgm_current.font_index = cgm_next.font_index;
         CGM_write_int_record(5, 10, 2, &cgm_next.font_index);
       }
       if (cgm_current.justify_mode != cgm_next.justify_mode) {
         static int data[6] = { 1, 3, 0, 0, 0, 0 };
         cgm_current.justify_mode = cgm_next.justify_mode;
   
         switch (cgm_current.justify_mode) {
         case LEFT:
           data[0] = 1;
           break;
         case CENTRE:
           data[0] = 2;
           break;
         case RIGHT:
           data[0] = 3;
           break;
         default:
           assert(0);
         }
         CGM_write_int_record(5, 18, 12, data);
       }
   
       if (cgm_current.char_height != cgm_next.char_height) {
         int h = cgm_next.char_height;
         cgm_current.char_height = h;
         h = h*2/3;                /* gnuplot measures fonts by the
                                      baseline-to-baseline distance,
                                      while the CGM file needs the actual
                                      height of the upper case
                                      characters. */
         CGM_write_int_record(5, 15, 2, &h);
       }
   
       /* "angle" is the angle of the text baseline (counter-clockwise in
          radians from horizontal).  This is a bit more general than
          gnuplot needs right now. */
       if (cgm_current.angle != cgm_next.angle) {
         /* The first two elements of orient are components of a vector
            "upward" with respect to the text.  The next two elements are
            components of a vector along the baseline of the text. The
            lengths of both vectors are equal to the baseline-to-baseline
            distance in plot units. */
         static int orient[4];
         extern double sin(double), cos(double);
         cgm_current.angle = cgm_next.angle;
   
         orient[0] = (int)cgm_next.char_height*cos(cgm_next.angle+3.1416/2);
         orient[1] = (int)cgm_next.char_height*sin(cgm_next.angle+3.1416/2);
         orient[2] = (int)cgm_next.char_height*cos(cgm_next.angle);
         orient[3] = (int)cgm_next.char_height*sin(cgm_next.angle);
         CGM_write_int_record(5, 16, 8, orient);
       }
   
     where[0] = x;      where[0] = x;
     where[1] = y + CGM_MARGIN;      where[1] = y + CGM_MARGIN;
     CGM_write_mixed_record(4, 4, 3, where, strlen(str), str);      CGM_write_mixed_record(4, 4, 3, where, strlen(str), str);
Line 776  char str[];
Line 1237  char str[];
     cgm_posx = cgm_posy = -2000;      cgm_posx = cgm_posy = -2000;
 }  }
   
 TERM_PUBLIC int CGM_text_angle(ang)  TERM_PUBLIC int
   CGM_text_angle(ang)
 int ang;  int ang;
 {  {
     if (cgm_rotate) {      if (cgm_rotate) {
         cgm_vert_text_requested = ang;          cgm_next.angle = ang ? M_PI_2 : 0;
         return TRUE;          return TRUE;
     }      }
     return ang ? FALSE : TRUE;      return ang ? FALSE : TRUE;
 }  }
   
 TERM_PUBLIC int CGM_justify_text(mode)  TERM_PUBLIC int
   CGM_justify_text(mode)
 enum JUSTIFY mode;  enum JUSTIFY mode;
 {  {
     static int data[6] = { 1, 3, 0, 0, 0, 0 };    cgm_next.justify_mode = mode;
     return (TRUE);
     switch (mode) {  
     case LEFT:  
         data[0] = 1;  
         break;  
     case CENTRE:  
         data[0] = 2;  
         break;  
     case RIGHT:  
         data[0] = 3;  
         break;  
     default:  
         assert(0);  
     }  
     CGM_write_int_record(5, 18, 12, data);  
     return (TRUE);  
 }  }
   
 TERM_PUBLIC void CGM_reset()  TERM_PUBLIC void
   CGM_reset()
 {  {
     cgm_posx = cgm_posy = 0;      cgm_posx = cgm_posy = 0;
 }  }
   
 TERM_PUBLIC void CGM_point(x, y, number)  TERM_PUBLIC void
   CGM_point(x, y, number)
 unsigned int x, y;  unsigned int x, y;
 int number;  int number;
 {  {
Line 829  int number;
Line 1279  int number;
     CGM_flush_polyline();      CGM_flush_polyline();
     old_dashtype = cgm_dashtype;      old_dashtype = cgm_dashtype;
     CGM_dashtype(0);      CGM_dashtype(0);
       if (number <= 7) {
         cgm_next.edge_visibility = 0;
         cgm_next.fill_color = cgm_color;
       } else {
         cgm_next.edge_visibility = 1;
         cgm_next.fill_color = 0;  /* index 0 is always the background color */
         cgm_next.edge_color = cgm_color;
       }
       if (cgm_current.fill_color != cgm_next.fill_color){
         cgm_current.fill_color = cgm_next.fill_color;
         CGM_write_int_record(5, 23, 2, &cgm_next.fill_color);
       }
       if (cgm_current.edge_visibility != cgm_next.edge_visibility){
         cgm_current.edge_visibility = cgm_next.edge_visibility;
         CGM_write_int_record(5, 30, 2, &cgm_current.edge_visibility);
       }
       if (cgm_current.edge_visibility &&
           cgm_current.edge_color != cgm_next.edge_color){
         cgm_current.edge_color = cgm_next.edge_color;
         CGM_write_int_record(5, 29, 2, &cgm_current.edge_color);
       }
   
     switch (number) {      switch (number) {
     case 0:                     /* draw diamond */      case 0:                     /* draw diamond */
       case 8:
         CGM_move(x - cgm_tic, y);          CGM_move(x - cgm_tic, y);
         CGM_solid_vector(x, y - cgm_tic);          CGM_solid_vector(x, y - cgm_tic);
         CGM_solid_vector(x + cgm_tic, y);          CGM_solid_vector(x + cgm_tic, y);
Line 845  int number;
Line 1317  int number;
         CGM_solid_vector(x, y + cgm_tic);          CGM_solid_vector(x, y + cgm_tic);
         break;          break;
     case 2:                     /* draw box */      case 2:                     /* draw box */
       case 9:
         CGM_move(x - cgm_tic707, y - cgm_tic707);          CGM_move(x - cgm_tic707, y - cgm_tic707);
         CGM_solid_vector(x + cgm_tic707, y - cgm_tic707);          CGM_solid_vector(x + cgm_tic707, y - cgm_tic707);
         CGM_solid_vector(x + cgm_tic707, y + cgm_tic707);          CGM_solid_vector(x + cgm_tic707, y + cgm_tic707);
Line 858  int number;
Line 1331  int number;
         CGM_solid_vector(x + cgm_tic707, y - cgm_tic707);          CGM_solid_vector(x + cgm_tic707, y - cgm_tic707);
         break;          break;
     case 4:                     /* draw triangle (point up) */      case 4:                     /* draw triangle (point up) */
       case 10:
         CGM_move(x, y + cgm_tic1241);          CGM_move(x, y + cgm_tic1241);
         CGM_solid_vector(x - cgm_tic1077, y - cgm_tic621);          CGM_solid_vector(x - cgm_tic1077, y - cgm_tic621);
         CGM_solid_vector(x + cgm_tic1077, y - cgm_tic621);          CGM_solid_vector(x + cgm_tic1077, y - cgm_tic621);
Line 872  int number;
Line 1346  int number;
         CGM_solid_vector(x - cgm_tic866, y - cgm_tic500);          CGM_solid_vector(x - cgm_tic866, y - cgm_tic500);
         break;          break;
     case 6:                     /* draw triangle (point down) */      case 6:                     /* draw triangle (point down) */
       case 11:
         CGM_move(x, y - cgm_tic1241);          CGM_move(x, y - cgm_tic1241);
         CGM_solid_vector(x - cgm_tic1077, y + cgm_tic621);          CGM_solid_vector(x - cgm_tic1077, y + cgm_tic621);
         CGM_solid_vector(x + cgm_tic1077, y + cgm_tic621);          CGM_solid_vector(x + cgm_tic1077, y + cgm_tic621);
         CGM_flush_polygon();          CGM_flush_polygon();
         break;          break;
     case 7:                     /* draw circle (actually, dodecagon)      case 7:
       case 12:                    /* draw circle (actually, dodecagon)
                                    (WinWord 6 accepts the CGM "circle"                                     (WinWord 6 accepts the CGM "circle"
                                    element, but the resulting circle                                     element, but the resulting circle
                                    is not correctly centered!) */                                     is not correctly centered!) */
Line 900  int number;
Line 1376  int number;
 }  }
   
   
 TERM_PUBLIC void CGM_set_pointsize(size)  TERM_PUBLIC void
   CGM_set_pointsize(size)
 double size;  double size;
 {  {
     /* Markers were chosen to have approximately equal      /* Markers were chosen to have approximately equal
Line 930  double size;
Line 1407  double size;
     cgm_tic621 = cgm_tic * 18 / 29;      cgm_tic621 = cgm_tic * 18 / 29;
 }  }
   
 static void CGM_flush_polygon()  static void
   CGM_flush_polygon()
 {  {
     if (cgm_coords == 0)      if (cgm_coords == 0)
         return;          return;
Line 938  static void CGM_flush_polygon()
Line 1416  static void CGM_flush_polygon()
     cgm_coords = 0;      cgm_coords = 0;
 }  }
   
 TERM_PUBLIC void CGM_options()  
 {  
     strcpy(cgm_font, "Arial Bold");  
     cgm_fontsize = 10;  
     term->v_char = (unsigned int) (cgm_fontsize * CGM_PT);  
     term->h_char = (unsigned int) (cgm_fontsize * CGM_PT * 5 / 9);  
     cgm_linewidth_pt = 1;  
     cgm_monochrome = FALSE;  
     cgm_plotwidth = 6 * 72;  
     cgm_portrait = FALSE;  
     cgm_rotate = TRUE;  
     cgm_dashed = TRUE;  
     cgm_winword6_mode = FALSE;  
     while (!END_OF_COMMAND) {  
         if (almost_equals(c_token, "p$ortrait")) {  
             cgm_portrait = TRUE;  
             c_token++;  
             continue;  
         }  
         if (almost_equals(c_token, "la$ndscape")) {  
             cgm_portrait = FALSE;  
             c_token++;  
             continue;  
         }  
         if (almost_equals(c_token, "de$fault")) {  
             strcpy(cgm_font, "Arial Bold");  
             cgm_fontsize = 10;  
             term->v_char = (unsigned int) (cgm_fontsize * CGM_PT);  
             term->h_char = (unsigned int) (cgm_fontsize * CGM_PT * 5 / 9);  
             cgm_linewidth_pt = 1;  
             cgm_monochrome = FALSE;  
             cgm_plotwidth = 6 * 72;  
             cgm_portrait = FALSE;  
             cgm_rotate = TRUE;  
             cgm_dashed = TRUE;  
             cgm_winword6_mode = FALSE;  
             c_token++;  
             continue;  
         }  
         if (almost_equals(c_token, "w$inword6")) {  
             cgm_winword6_mode = TRUE;  
             c_token++;  
             continue;  
         }  
         if (almost_equals(c_token, "m$onochrome")) {  
             cgm_monochrome = TRUE;  
             c_token++;  
             continue;  
         }  
         if (almost_equals(c_token, "c$olor")  
             || almost_equals(c_token, "c$olour")) {  
             cgm_monochrome = FALSE;  
             c_token++;  
             continue;  
         }  
         if (almost_equals(c_token, "r$otate")) {  
             cgm_rotate = TRUE;  
             c_token++;  
             continue;  
         }  
         if (almost_equals(c_token, "nor$otate")) {  
             cgm_rotate = FALSE;  
             c_token++;  
             continue;  
         }  
         if (almost_equals(c_token, "da$shed")) {  
             cgm_dashed = TRUE;  
             c_token++;  
             continue;  
         }  
         if (almost_equals(c_token, "s$olid")) {  
             cgm_dashed = FALSE;  
             c_token++;  
             continue;  
         }  
         if (almost_equals(c_token, "li$newidth")) {  
             c_token++;  
             if (!END_OF_COMMAND) {  
                 struct value a;  
                 cgm_linewidth_pt = (unsigned int) real(const_express(&a));  
                 if (cgm_linewidth_pt > 10000) {  
                     fputs("gnuplot(cgm.trm): linewidth out of range\n", stderr);  
                     cgm_linewidth_pt = 1;  
                 }  
             }  
             continue;  
         }  
         if (almost_equals(c_token, "wid$th")) {  
             c_token++;  
             if (!END_OF_COMMAND) {  
                 struct value a;  
                 cgm_plotwidth = (int) real(const_express(&a));  
                 if (cgm_plotwidth < 0 || cgm_plotwidth > 10000) {  
                     fputs("gnuplot(cgm.trm): width out of range\n", stderr);  
                     cgm_plotwidth = 6 * 72;  
                 }  
             }  
             continue;  
         }  
         break;  
     }  
   
     if (!END_OF_COMMAND && isstring(c_token)) {  
         quote_str(cgm_font, c_token, MAX_ID_LEN);  
         if (CGM_find_font(cgm_font, strlen(cgm_font)) == 0) {  
             /* insert the font in the font table */  
             int n;  
             n = strlen(cgm_font);  
             if (n + 1 <= sizeof(cgm_font_data) && n <= 255) {  
                 cgm_font_data[0] = n;  
                 strncpy(cgm_font_data + 1, cgm_font, n);  
                 cgm_font_data[n + 1] = 0;  
             }  
         }  
         c_token++;  
     }  
     if (!END_OF_COMMAND) {  
         /* We have font size specified */  
         struct value a;  
         cgm_fontsize = (int) real(const_express(&a));  
         term->v_char = (unsigned int) (cgm_fontsize * CGM_PT);  
         term->h_char = (unsigned int) (cgm_fontsize * CGM_PT * 5 / 9);  
     }  
     if (cgm_portrait) {  
         term->xmax = CGM_SMALL - CGM_MARGIN;  
         term->ymax = CGM_LARGE - CGM_MARGIN;  
     } else {  
         term->xmax = CGM_LARGE - CGM_MARGIN;  
         term->ymax = CGM_SMALL - CGM_MARGIN;  
     }  
   
     sprintf(default_font, "%s,%d", cgm_font, cgm_fontsize);  
     /* default_font holds the font and size set at 'set term' */  
     sprintf(term_options, "%s %s %s %s %s width %d linewidth %d \"%s\" %d",  
             cgm_portrait ? "portrait" : "landscape",  
             cgm_monochrome ? "monochrome" : "color",  
             cgm_rotate ? "rotate" : "norotate",  
             cgm_dashed ? "dashed" : "solid",  
             cgm_winword6_mode ? "winword6" : "",  
             cgm_plotwidth,  
             cgm_linewidth_pt,  
             cgm_font, cgm_fontsize);  
 }  
   
 #ifdef DEFEAT_ASSERTIONS  #ifdef DEFEAT_ASSERTIONS
 #define NDEBUG  #define NDEBUG
 #include <assert.h>  #include <assert.h>
Line 1126  START_HELP(cgm)
Line 1461  START_HELP(cgm)
 "?terminal cgm",  "?terminal cgm",
 "?term cgm",  "?term cgm",
 "?cgm",  "?cgm",
 " The `cgm` terminal generates a Computer Graphics Metafile.  This file format",  " The `cgm` terminal generates a Computer Graphics Metafile, Version 1. ",
 " is a subset of the ANSI X3.122-1986 standard entitled \"Computer Graphics -",  " This file format is a subset of the ANSI X3.122-1986 standard entitled",
 " Metafile for the Storage and Transfer of Picture Description Information\".",  " \"Computer Graphics - Metafile for the Storage and Transfer of Picture",
   " Description Information\".",
 " Several options may be set in `cgm`.",  " Several options may be set in `cgm`.",
 "",  "",
 " Syntax:",  " Syntax:",
 "       set terminal cgm {<mode>} {<color>} {<rotation>} {solid | dashed}",  "       set terminal cgm {<mode>} {<color>} {<rotation>} {solid | dashed}",
 "                        {width <plot_width>} {linewidth <line_width>}",  "                        {width <plot_width>} {linewidth <line_width>}",
 "                        {\"<font>\"} {<fontsize>}",  "                        {\"<font>\"} {<fontsize>}",
   "                        {<color0> <color1> <color2> ...}",
 "",  "",
 " where <mode> is `landscape`, `portrait`, or `default`;",  " where <mode> is `landscape`, `portrait`, or `default`;",
 " <color> is either `color` or `monochrome`; ",  " <color> is either `color` or `monochrome`; ",
 " <rotation> is either `rotate` or `norotate`;",  " <rotation> is either `rotate` or `norotate`;",
 " `solid` draws all curves with solid lines, overriding any dashed patterns;",  " `solid` draws all curves with solid lines, overriding any dashed patterns;",
 " <plot_width> is the width of the page in points; ",  " <plot_width> is the assumed width of the plot in points; ",
 " <line_width> is the line width in points; ",  " <line_width> is the line width in points (default 1); ",
 " <font> is the name of a font; and ",  " <font> is the name of a font; and ",
 " `<fontsize>` is the size of the font in points.",  " <fontsize> is the size of the font in points (default 12).",
 "",  "",
 " By default, `cgm` uses rotated text for the Y axis label.",  " By default, `cgm` uses rotated text for the Y axis label.",
 "",  "",
 " The first six options can be in any order.  Selecting `default` sets all",  " The first six options can be in any order.  Selecting `default` sets all",
 " options to their default values.",  " options to their default values.",
 "",  "",
   " Each color must be of the form 'xrrggbb', where x is the literal",
   " character 'x' and 'rrggbb' are the red, green and blue components in",
   " hex.  For example, 'x00ff00' is green.  The background color is set",
   " first, then the plotting colors."
   "",
 " Examples:",  " Examples:",
 "       set terminal cgm landscape color rotate dashed width 432 \\",  "       set terminal cgm landscape color rotate dashed width 432 \\",
 "                      linewidth 1  'Arial Bold' 12       # defaults",  "                      linewidth 1  'Helvetica Bold' 12       # defaults",
 "       set terminal cgm 14 linewidth 2  14  # wider lines & larger font",  "       set terminal cgm linewidth 2  14  # wider lines & larger font",
 "       set terminal cgm portrait 'Times Roman Italic' 12",  "       set terminal cgm portrait \"Times Italic\" 12",
 "       set terminal cgm color solid    # no pesky dashes!",  "       set terminal cgm color solid      # no pesky dashes!",
   
 "2 font",  "2 font",
 "?commands set terminal cgm font",  "?commands set terminal cgm font",
 "?set terminal cgm font",  "?set terminal cgm font",
Line 1164  START_HELP(cgm)
Line 1507  START_HELP(cgm)
 " The first part of a Computer Graphics Metafile, the metafile description,",  " The first part of a Computer Graphics Metafile, the metafile description,",
 " includes a font table.  In the picture body, a font is designated by an",  " includes a font table.  In the picture body, a font is designated by an",
 " index into this table.  By default, this terminal generates a table with",  " index into this table.  By default, this terminal generates a table with",
 " the following fonts:",  " the following 16 fonts, plus six more with `italic` replaced by",
   " `oblique`, or vice-versa (since at least the Microsoft Office and Corel",
   " Draw CGM import filters treat `italic` and `oblique` as equivalent):",
 "@start table - first is interactive cleartext form",  "@start table - first is interactive cleartext form",
 "       Arial",  
 "       Arial Italic",  
 "       Arial Bold",  
 "       Arial Bold Italic",  
 "       Times Roman",  
 "       Times Roman Italic",  
 "       Times Roman Bold",  
 "       Times Roman Bold Italic",  
 "       Helvetica",  "       Helvetica",
 "       Roman",  "       Helvetica Bold",
   "       Helvetica Oblique",
   "       Helvetica Bold Oblique",
   "       Times Roman",
   "       Times Bold",
   "       Times Italic",
   "       Times Bold Italic",
   "       Courier",
   "       Courier Bold",
   "       Courier Oblique",
   "       Courier Bold Oblique",
   "       Symbol",
   "       Hershey/Cartographic_Roman",
   "       Hershey/Cartographic_Greek",
   "       Hershey/Simplex_Roman",
   "       Hershey/Simplex_Greek",
   "       Hershey/Simplex_Script",
   "       Hershey/Complex_Roman",
   "       Hershey/Complex_Greek",
   "       Hershey/Complex_Script",
   "       Hershey/Complex_Italic",
   "       Hershey/Complex_Cyrillic",
   "       Hershey/Duplex_Roman",
   "       Hershey/Triplex_Roman",
   "       Hershey/Triplex_Italic",
   "       Hershey/Gothic_German",
   "       Hershey/Gothic_English",
   "       Hershey/Gothic_Italian",
   "       Hershey/Symbol_Set_1",
   "       Hershey/Symbol_Set_2",
   "       Hershey/Symbol_Math",
   "       ZapfDingbats",
   "       Script",
   "       15",
 "#\\begin{tabular}{|ccl|} \\hline",  "#\\begin{tabular}{|ccl|} \\hline",
 "#\\multicolumn{2}{|c|}{CGM fonts}\\\\",  "#\\multicolumn{2}{|c|}{CGM fonts}\\\\",
 "#&Arial&\\\\",  
 "#&Arial Italic&\\\\",  
 "#&Arial Bold&\\\\",  
 "#&Arial Bold Italic&\\\\",  
 "#&Times Roman&\\\\",  
 "#&Times Roman Italic&\\\\",  
 "#&Times Roman Bold&\\\\",  
 "#&Times Roman Bold Italic&\\\\",  
 "#&Helvetica&\\\\",  "#&Helvetica&\\\\",
 "#&Roman&\\\\",  "#&Helvetica Bold&\\\\",
   "#&Helvetica Oblique&\\\\",
   "#&Helvetica Bold Oblique&\\\\",
   "#&Times Roman&\\\\",
   "#&Times Bold&\\\\",
   "#&Times Italic&\\\\",
   "#&Times Bold Italic&\\\\",
   "#&Courier&\\\\",
   "#&Courier Bold&\\\\",
   "#&Courier Oblique&\\\\",
   "#&Courier Bold Oblique&\\\\",
   "#&Symbol&\\\\",
   "#&Hershey/Cartographic\\_Roman&\\\\",
   "#&Hershey/Cartographic\\_Greek&\\\\",
   "#&Hershey/Simplex\\_Roman&\\\\",
   "#&Hershey/Simplex\\_Greek&\\\\",
   "#&Hershey/Simplex\\_Script&\\\\",
   "#&Hershey/Complex\\_Roman&\\\\",
   "#&Hershey/Complex\\_Greek&\\\\",
   "#&Hershey/Complex\\_Script&\\\\",
   "#&Hershey/Complex\\_Italic&\\\\",
   "#&Hershey/Complex\\_Cyrillic&\\\\",
   "#&Hershey/Duplex\\_Roman&\\\\",
   "#&Hershey/Triplex\\_Roman&\\\\",
   "#&Hershey/Triplex\\_Italic&\\\\",
   "#&Hershey/Gothic\\_German&\\\\",
   "#&Hershey/Gothic\\_English&\\\\",
   "#&Hershey/Gothic\\_Italian&\\\\",
   "#&Hershey/Symbol\\_Set\\_1&\\\\",
   "#&Hershey/Symbol\\_Set\\_2&\\\\",
   "#&Hershey/Symbol\\_Math&\\\\",
   "#&ZapfDingbats&\\\\",
   "#&Script&\\\\",
   "#&15&\\\\",
 "%c c l .",  "%c c l .",
 "%@@CGM fonts",  "%@@CGM fonts",
 "%_",  "%_",
 "%@@Arial",  
 "%@@Arial Italic",  
 "%@@Arial Bold",  
 "%@@Arial Bold Italic",  
 "%@@Times Roman",  
 "%@@Times Roman Italic",  
 "%@@Times Roman Bold",  
 "%@@Times Roman Bold Italic",  
 "%@@Helvetica",  "%@@Helvetica",
 "%@@Roman",  "%@@Helvetica Bold",
   "%@@Helvetica Oblique",
   "%@@Helvetica Bold Oblique",
   "%@@Times Roman",
   "%@@Times Bold",
   "%@@Times Italic",
   "%@@Times Bold Italic",
   "%@@Courier",
   "%@@Courier Bold",
   "%@@Courier Oblique",
   "%@@Courier Bold Oblique",
   "%@@Symbol",
   "%@@Hershey/Cartographic_Roman",
   "%@@Hershey/Cartographic_Greek",
   "%@@Hershey/Simplex_Roman",
   "%@@Hershey/Simplex_Greek",
   "%@@Hershey/Simplex_Script",
   "%@@Hershey/Complex_Roman",
   "%@@Hershey/Complex_Greek",
   "%@@Hershey/Complex_Script",
   "%@@Hershey/Complex_Italic",
   "%@@Hershey/Complex_Cyrillic",
   "%@@Hershey/Duplex_Roman",
   "%@@Hershey/Triplex_Roman",
   "%@@Hershey/Triplex_Italic",
   "%@@Hershey/Gothic_German",
   "%@@Hershey/Gothic_English",
   "%@@Hershey/Gothic_Italian",
   "%@@Hershey/Symbol_Set_1",
   "%@@Hershey/Symbol_Set_2",
   "%@@Hershey/Symbol_Math",
   "%@@ZapfDingbats",
   "%@@Script",
   "%@@15",
 "@end table",  "@end table",
 " Case is not distinct, but the modifiers must appear in the above order (that",  
 " is, not 'Arial Italic Bold').  'Arial Bold' is the default font.",  " The first thirteen of these fonts are required for WebCGM.  The",
   " Microsoft Office CGM import filter implements the 13 standard fonts",
   " listed above, and also 'ZapfDingbats' and 'Script'.  However, the",
   " script font may only be accessed under the name '15'.  For more on",
   " Microsoft import filter font substitutions, check its help file which",
   " you may find here:",
   "   C:\\Program Files\\Microsoft Office\\Office\\Cgmimp32.hlp",
   " and/or its configuration file, which you may find here:",
   "   C:\\Program Files\\Common Files\\Microsoft Shared\\Grphflt\\Cgmimp32.cfg",
 "",  "",
 " You may also specify a font name which does not appear in the default font",  " In the `set term` command, you may specify a font name which does not",
 " table.  In that case, a new font table is constructed with the specified",  " appear in the default font table.  In that case, a new font table is",
 " font as its only entry.  You must ensure that the spelling, capitalization,",  " constructed with the specified font as its first entry. You must ensure",
 " and spacing of the name are appropriate for the application that will read",  " that the spelling, capitalization, and spacing of the name are",
 " the CGM file.",  " appropriate for the application that will read the CGM file.  (Gnuplot",
   " and any MIL-D-28003A compliant application ignore case in font names.)",
   " If you need to add several new fonts, use several `set term` commands.",
   "",
   " Example:",
   "       set terminal cgm 'Old English'",
   "       set terminal cgm 'Tengwar'",
   "       set terminal cgm 'Arabic'",
   "       set output 'myfile.cgm'",
   "       plot ...",
   "       set output",
   "",
   " You cannot introduce a new font in a `set label` command."
   
 "2 fontsize",  "2 fontsize",
 "?commands set terminal cgm fontsize",  "?commands set terminal cgm fontsize",
 "?set terminal cgm fontsize",  "?set terminal cgm fontsize",
 "?set term cgm fontsize",  "?set term cgm fontsize",
 "?cgm fontsize",  "?cgm fontsize",
 " Fonts are scaled assuming the page is 6 inches wide.  If the `size` command",  " Fonts are scaled assuming the page is 6 inches wide.  If the `size`",
 " is used to change the aspect ratio of the page or the CGM file is converted",  " command is used to change the aspect ratio of the page or the CGM file",
 " to a different width (e.g. it is imported into a document in which the",  " is converted to a different width, the resulting font sizes will be",
 " margins are not 6 inches apart), the resulting font sizes will be different.",  " scaled up or down accordingly.  To change the assumed width, use the",
 " To change the assumed width, use the `width` option.",  " `width` option.",
   
 "2 linewidth",  "2 linewidth",
 "?commands set terminal cgm linewidth",  "?commands set terminal cgm linewidth",
 "?set terminal cgm linewidth",  "?set terminal cgm linewidth",
 "?set term cgm linewidth",  "?set term cgm linewidth",
 "?cgm linewidth",  "?cgm linewidth",
 " The `linewidth` option sets the width of lines in pt.  The default width is",  " The `linewidth` option sets the width of lines in pt.  The default width",
 " 1 pt.  Scaling is affected by the actual width of the page, as discussed",  " is 1 pt.  Scaling is affected by the actual width of the page, as",
 " under the `fontsize` and `width` options",  " discussed under the `fontsize` and `width` options.",
   
 "2 rotate",  "2 rotate",
 "?commands set terminal cgm rotate",  "?commands set terminal cgm rotate",
 "?set terminal cgm rotate",  "?set terminal cgm rotate",
 "?set term cgm rotate",  "?set term cgm rotate",
 "?cgm rotate",  "?cgm rotate",
 " The `norotate` option may be used to disable text rotation.  For example,",  " The `norotate` option may be used to disable text rotation.  For",
 " the CGM input filter for Word for Windows 6.0c can accept rotated text, but",  " example, the CGM input filter for Word for Windows 6.0c can accept",
 " the DRAW editor within Word cannot.  If you edit a graph (for example, to",  " rotated text, but the DRAW editor within Word cannot.  If you edit a",
 " label a curve), all rotated text is restored to horizontal.  The Y axis",  " graph (for example, to label a curve), all rotated text is restored to",
 " label will then extend beyond the clip boundary.  With `norotate`, the Y",  " horizontal.  The Y axis label will then extend beyond the clip boundary.",
 " axis label starts in a less attractive location, but the page can be edited",  " With `norotate`, the Y axis label starts in a less attractive location,",
 " without damage.  The `rotate` option confirms the default behavior.",  " but the page can be edited without damage.  The `rotate` option confirms",
   " the default behavior.",
   
 "2 solid",  "2 solid",
 "?set terminal cgm solid",  "?set terminal cgm solid",
 "?set term cgm solid",  "?set term cgm solid",
 "?cgm solid",  "?cgm solid",
 " The `solid` option may be used to disable dashed line styles in the",  " The `solid` option may be used to disable dashed line styles in the",
 " plots.  This is useful when color is enabled and the dashing of the lines",  " plots.  This is useful when color is enabled and the dashing of the",
 " detracts from the appearance of the plot. The `dashed` option confirms the",  " lines detracts from the appearance of the plot. The `dashed` option",
 " default behavior, which gives a different dash pattern to each curve.",  " confirms the default behavior, which gives a different dash pattern to",
   " each curve.",
   
 "2 size",  "2 size",
 "?commands set terminal cgm size",  "?commands set terminal cgm size",
 "?set terminal cgm size",  "?set terminal cgm size",
 "?set term cgm size",  "?set term cgm size",
 "?scgm size",  "?cgm size",
 " Default size of a CGM page is 32599 units wide and 23457 units high for",  " Default size of a CGM plot is 32599 units wide and 23457 units high for",
 " landscape, or 23457 units wide by 32599 units high for portrait.",  " landscape, or 23457 units wide by 32599 units high for portrait.",
   
 "2 width",  "2 width",
 "?commands set terminal cgm width",  "?commands set terminal cgm width",
 "?set terminal cgm width",  "?set terminal cgm width",
 "?set term cgm width",  "?set term cgm width",
 "?cgm width",  "?cgm width",
 " All distances in the CGM file are in abstract units.  The application that",  " All distances in the CGM file are in abstract units.  The application",
 " reads the file determines the size of the final page.  By default, the width",  " that reads the file determines the size of the final plot.  By default,",
 " of the final page is assumed to be 6 inches (15.24 cm).  This distance is",  " the width of the final plot is assumed to be 6 inches (15.24 cm).  This",
 " used to calculate the correct font size, and may be changed with the `width`",  " distance is used to calculate the correct font size, and may be changed",
 " option.  The keyword should be followed by the width in points.  (Here, a",  " with the `width` option.  The keyword should be followed by the width in",
 " point is 1/72 inch, as in PostScript.  This unit is known as a \"big point\"",  " points.  (Here, a point is 1/72 inch, as in PostScript.  This unit is",
 " in TeX.)  `gnuplot` arithmetic can be used to convert from other units, as",  " known as a \"big point\" in TeX.)  Gnuplot `expressions` can be used to",
 " follows:",  " convert from other units.",
   "",
   " Example:",
 "       set terminal cgm width 432            # default",  "       set terminal cgm width 432            # default",
 "       set terminal cgm width 6*72           # same as above",  "       set terminal cgm width 6*72           # same as above",
 "       set terminal cgm width 10/2.54*72     # 10 cm wide",  "       set terminal cgm width 10/2.54*72     # 10 cm wide",
 "2 winword6",  
   "2 nofontlist",
   "?commands set terminal cgm nofontlist",
   "?set terminal cgm nofontlist",
   "?set term cgm nofontlist",
   "?cgm nofontlist",
 "?commands set terminal cgm winword6",  "?commands set terminal cgm winword6",
 "?set terminal cgm winword6",  "?set terminal cgm winword6",
 "?set term cgm winword6",  "?set term cgm winword6",
 "?cgm winword6",  "?cgm winword6",
 " The default font table was chosen to match, where possible, the default font",  " The default font table includes the fonts recommended for WebCGM, which",
 " assignments made by the Computer Graphics Metafile input filter for",  " are compatible with the Computer Graphics Metafile input filter for",
 " Microsoft Word 6.0c, although the filter makes available only 'Arial' and",  " Microsoft Office and Corel Draw.  Another application might use",
 " 'Times Roman' fonts and their bold and/or italic variants.  Other fonts such",  " different fonts and/or different font names, which may not be",
 " as 'Helvetica' and 'Roman' are not available.  If the CGM file includes a",  " documented.  As a workaround, the `nofontlist` option deletes the font",
 " font table, the filter mostly ignores it.  However, it changes certain font",  " table from the CGM file.  In this case, the reading application should",
 " assignments so that they disagree with the table.  As a workaround, the",  " use a default table.  Gnuplot will still use its own default font table",
 " `winword6` option deletes the font table from the CGM file.  In this case,",  " to select font indices.  Thus, 'Helvetica' will give you an index of 1,",
 " the filter makes predictable font assignments.  'Arial Bold' is correctly",  " which should get you the first entry in your application's default font",
 " assigned even with the font table present, which is one reason it was chosen",  " table. 'Helvetica Bold' will give you its second entry, etc.",
 " as the default.",  
 "",  "",
 " `winword6` disables the color tables for a similar reason---with the color",  " The former `winword6` option is now a deprecated synonym for",
 " table included, Microsoft Word displays black for color 7.",  " `nofontlist`.  The problems involving the color and font tables that",
 "",  " the `winword6` option was intended to work around turned out to be",
 " Linewidths and pointsizes may be changed with `set linestyle`."  " gnuplot bugs which have now been fixed."
   
 END_HELP(cgm)  END_HELP(cgm)
 #endif /* TERM_HELP */  #endif /* TERM_HELP */
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