Re: Setting the fontname and size of text

[David Bateman]

John W. Eaton wrote:
> On 12-Nov-2007, David Bateman wrote:
>
> | The attached patch, allows the fontsize and name to be set for all text
> | objects in Octave. You might not like my choice of "Helvetica" as the
> | default font, and if so a search and replace in graphics.cc and
> | __go_draw_axes__.m can change it..
>
> I applied this patch.
>
> Thanks,
>
> jwe
>
>   
Ok, and here is the complement to set the weight and angle of the font..
Not all combinations of fonts, weights and angles are valid on all
terminals with gnuplot however.. I've also limited the options of the
weight to "normal" and "bold" and ignored the "demi", and "light"
options that matlab provides as there seems to be no easy way to deal
with this in gnuplot.. Similar I treated the "oblique" option for the
angle as "italic". This allows things like

h = text (0,0,"Test Label");
set(h,"FontName","Times","FontSize", 20, "FontWeight","Bold",
"FontAngle","Italic")

to work.

D.


-- 
David Bateman                                address@hidden
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Parc Les Algorithmes, Commune de St Aubin    +33 6 72 01 06 33 (Mob) 
91193 Gif-Sur-Yvette FRANCE                  +33 1 69 35 77 01 (Fax) 

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*** ./scripts/plot/__go_draw_axes__.m.orig3     2007-11-13 10:21:50.106992986 
+0100
--- ./scripts/plot/__go_draw_axes__.m   2007-11-13 11:13:47.990435630 +0100
***************
*** 60,68 ****
        fputs (plot_stream, "unset title;\n");
        else
        if (isempty (t.fontname))
!         f = "Helvetica";
        else
!         f = t.fontname;
        endif
        if (isempty (t.fontsize))
          s = 10;
--- 60,82 ----
        fputs (plot_stream, "unset title;\n");
        else
        if (isempty (t.fontname))
!         f = "helvetica";
        else
!         f = tolower (t.fontname);
!       endif
!       if (! isempty(t.fontweight) && 
!           strcmp (tolower (t.fontweight), "bold"))
!         if (! isempty(t.fontangle) &&
!             (strcmp (tolower (t.fontangle), "italic") ||
!             strcmp (tolower (t.fontangle), "oblique")))
!           f = strcat (f, "-bolditalic");
!         else
!           f = strcat (f, "-bold");
!         endif
!       elseif (! isempty(t.fontangle) &&
!               (strcmp (tolower (t.fontangle), "italic") ||
!               strcmp (tolower (t.fontangle), "oblique")))
!         f = strcat (f, "-italic");
        endif
        if (isempty (t.fontsize))
          s = 10;
***************
*** 81,89 ****
        fputs (plot_stream, "unset xlabel;\n");
        else
        if (isempty (t.fontname))
!         f = "Helvetica";
        else
!         f = t.fontname;
        endif
        if (isempty (t.fontsize))
          s = 10;
--- 95,117 ----
        fputs (plot_stream, "unset xlabel;\n");
        else
        if (isempty (t.fontname))
!         f = "helvetica";
        else
!         f = tolower (t.fontname);
!       endif
!       if (! isempty(t.fontweight) && 
!           strcmp (tolower (t.fontweight), "bold"))
!         if (! isempty(t.fontangle) &&
!             (strcmp (tolower (t.fontangle), "italic") ||
!             strcmp (tolower (t.fontangle), "oblique")))
!           f = strcat (f, "-bolditalic");
!         else
!           f = strcat (f, "-bold");
!         endif
!       elseif (! isempty(t.fontangle) &&
!               (strcmp (tolower (t.fontangle), "italic") ||
!               strcmp (tolower (t.fontangle), "oblique")))
!         f = strcat (f, "-italic");
        endif
        if (isempty (t.fontsize))
          s = 10;
***************
*** 108,116 ****
        fputs (plot_stream, "unset ylabel;\n");
        else
        if (isempty (t.fontname))
!         f = "Helvetica";
        else
!         f = t.fontname;
        endif
        if (isempty (t.fontsize))
          s = 10;
--- 136,158 ----
        fputs (plot_stream, "unset ylabel;\n");
        else
        if (isempty (t.fontname))
!         f = "helvetica";
        else
!         f = tolower (t.fontname);
!       endif
!       if (! isempty(t.fontweight) && 
!           strcmp (tolower (t.fontweight), "bold"))
!         if (! isempty(t.fontangle) &&
!             (strcmp (tolower (t.fontangle), "italic") ||
!             strcmp (tolower (t.fontangle), "oblique")))
!           f = strcat (f, "-bolditalic");
!         else
!           f = strcat (f, "-bold");
!         endif
!       elseif (! isempty(t.fontangle) &&
!               (strcmp (tolower (t.fontangle), "italic") ||
!               strcmp (tolower (t.fontangle), "oblique")))
!         f = strcat (f, "-italic");
        endif
        if (isempty (t.fontsize))
          s = 10;
***************
*** 853,861 ****
          endif
  
          if (isempty (obj.fontname))
!           f = "Helvetica";
          else
!           f = obj.fontname;
          endif
          if (isempty (obj.fontsize))
            s = 10;
--- 895,917 ----
          endif
  
          if (isempty (obj.fontname))
!           f = "helvetica";
          else
!           f = tolower(obj.fontname);
!         endif
!         if (! isempty(obj.fontweight) && 
!             strcmp (tolower (obj.fontweight), "bold"))
!           if (! isempty(obj.fontangle) &&
!               (strcmp (tolower (obj.fontangle), "italic") ||
!               strcmp (tolower (obj.fontangle), "oblique")))
!             f = strcat (f, "-bolditalic");
!           else
!             f = strcat (f, "-bold");
!           endif
!         elseif (! isempty(obj.fontangle) &&
!                 (strcmp (tolower (obj.fontangle), "italic") ||
!                 strcmp (tolower (obj.fontangle), "oblique")))
!           f = strcat (f, "-italic");
          endif
          if (isempty (obj.fontsize))
            s = 10;
*** ./src/graphics.h.in.orig3   2007-11-13 10:18:08.677130836 +0100
--- ./src/graphics.h.in 2007-11-13 10:20:59.452568542 +0100
***************
*** 1412,1417 ****
--- 1412,1419 ----
        color_property color
        octave_value fontname
        octave_value fontsize
+       octave_value fontangle
+       octave_value fontweight
      END_PROPERTIES
  
      static std::string go_name;
*** ./src/graphics.cc.orig3     2007-11-13 10:18:01.541511035 +0100
--- ./src/graphics.cc   2007-11-13 10:25:17.999292476 +0100
***************
*** 1919,1925 ****
      horizontalalignment ("left"),
      color (Matrix (1, 3, 0.0)),
      fontname ("Helvetica"),
!     fontsize (10)
  { }
  
  void
--- 1919,1927 ----
      horizontalalignment ("left"),
      color (Matrix (1, 3, 0.0)),
      fontname ("Helvetica"),
!     fontsize (10),
!     fontangle ("normal"),
!     fontweight ("normal")
  { }
  
  void
***************
*** 1952,1957 ****
--- 1954,1963 ----
      set_fontname (val);
    else if (name.compare ("fontsize"))
      set_fontsize (val);
+   else if (name.compare ("fontangle"))
+     set_fontangle (val);
+   else if (name.compare ("fontweight"))
+     set_fontweight (val);
    else
      {
        modified = false;
***************
*** 1979,1984 ****
--- 1985,1992 ----
    m.assign ("color", color);
    m.assign ("fontname", fontname);
    m.assign ("fontsize", fontsize);
+   m.assign ("fontangle", fontangle);
+   m.assign ("fontweight", fontweight);
  
    return m;
  }
***************
*** 2012,2017 ****
--- 2020,2029 ----
      retval = fontname;
    else if (name.compare ("fontsize"))
      retval = fontsize;
+   else if (name.compare ("fontangle"))
+     retval = fontangle;
+   else if (name.compare ("fontweight"))
+     retval = fontweight;
    else
      warning ("get: invalid property `%s'", name.c_str ());
  
***************
*** 2031,2036 ****
--- 2043,2050 ----
    m["color"] = Matrix (1, 3, 1.0);
    m["fontname"] = "Helvetica";
    m["fontsize"] = 10;
+   m["fontangle"] = "normal";
+   m["fontweight"] = "normal";
  
    return m;
  }

2007-11-13  David Bateman  <address@hidden>

        * plot/__go_draw_axes.m: Allow the fontangle and fontweight to be
        specified for the title, xlabel, ylabel and text objects.

2007-11-12  David Bateman  <address@hidden>

        * graphics.h.in, graphics.cc (class text): Add the fontangle and
        fontweight properties.