Open Mash Cross Reference
mash/tcl/common/fonts.tcl

   # fonts.tcl --
   #
   #       Searches for, initializes, and adds some common fonts to the options
   #       database.
   #
   # Copyright (c) 1998-2002 The Regents of the University of California.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
  # modification, are permitted provided that the following conditions are met:
  #
  # A. Redistributions of source code must retain the above copyright notice,
  #    this list of conditions and the following disclaimer.
  # B. Redistributions in binary form must reproduce the above copyright notice,
  #    this list of conditions and the following disclaimer in the documentation
  #    and/or other materials provided with the distribution.
  # C. Neither the names of the copyright holders nor the names of its
  #    contributors may be used to endorse or promote products derived from this
  #    software without specific prior written permission.
  #
  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
  # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  # ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR
  # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  #
  #  @(#) $Header: /usr/mash/src/repository/mash/mash-1/tcl/common/fonts.tcl,v 1.8 2002/08/27 02:48:50 weitsang Exp $
  
  
  #
  # Searches for, initializes, and adds some common fonts to the options database.
  #
  Class FontInitializer
  
  #
  # Search for some good fonts for the user interface and intial
  # the configuration <i>options</i> accordingly.
  #
  FontInitializer public init {options} {
          $options add_default foundry adobe
  
          set foundry [$options get_option foundry]
  
          set b b
          set o o
          foreach i {8 10 12 14 18 24 36 48} {
                  $options add_default helv$i    [$self search_font $foundry helvetica medium $i r]
                  $options add_default helv$i$b  [$self search_font $foundry helvetica bold $i r]
                  $options add_default helv$i$o  [$self search_font $foundry helvetica bold $i o]
                  $options add_default times$i   [$self search_font $foundry times     medium $i r]
                  $options add_default times$i$b [$self search_font $foundry times     bold $i r]
                  $options add_default times$i$o [$self search_font $foundry times     bold $i o]
                  $options add_default courier$i [$self search_font $foundry courier medium $i r]
          }
  
          $options add_default tinyfont [$self get_option helv8]
          $options add_default smallfont [$self get_option helv10b]
          $options add_default medfont [$self get_option helv12b]
          $options add_default helpFont [$self get_option times14]
          $options add_default entryFont [$self get_option helv10]
          $options add_default logofont [$self get_option times12o]
  }
  
  #
  # Return the font specification for the provided font attributes: <br>
  # <dd> <i>foundry</i>: adobe xerox linotype misc ...
  # <dd> <i>style</i>: times helvetica lucida courier symbol ...
  # <dd> <i>weight</i>: bold medium demibold demi normal book light ...
  # <dd> <i>points</i>: 8 10 12 14 18 24 36 48 72 144 ...
  # <dd> <i>slant</i>: i r o  (meaning italic, roman/normal, oblique)
  #
  FontInitializer public search_font { foundry style weight points slant } {
          global font tcl_version tcl_platform
  
          if {$tcl_version >= 8} {
                  if {$slant == "r"} {
                          set slant ""
                  } elseif {$slant == "o"} {
                          set slant "italic"
                  }
                  if {$weight == "medium"} {
                          set weight ""
                  }
                  # make points negative since we use pixel size
                  return "$style -$points $weight $slant"
          }
  
          foreach f $font($style$points) {
                  set fname -$foundry-$style-$weight-$slant-$f
                  if [havefont $fname] {
                          return $fname
                  }
          }
  
         puts stderr "can't find $weight $fname font (using fixed)"
         if ![havefont fixed] {
                 puts stderr "can't find fixed font"
                 exit 1
         }
         return fixed
 }