fontdatac.c

linux下的E_MAIL客户端源码

   if ( !found ) { // Try without foundry, family, weight or slant
      BuildName("*", "*", "*", "*", "*", "*",
		"*", "*", resStr, "*", "*", charset, bname);
      found = FindSmaller(bname);
      if ( !found ) { // Try without res
	 BuildName("*", "*", "*", "*", "*", "*",
		   "*", "*", "*", "*", "*", charset, bname);
	 found = FindSmaller(bname);
      }
   }

//
// If nothing worked, return this font
//
   if ( !found ) {

#if 0
      StringC errmsg("I could not find a smaller version of the font: ");
      errmsg += name;
      halApp->PopupMessage(errmsg);
#else
      if ( debug1 )
	 cout <<"I could not find a smaller version of the font: " <<name<<endl;
#endif

      if ( debug1 ) cout <<"Using: " <<name NL;
      smaller = this;
      return smaller;
   }

//
// Create a new font structure
//
   if ( debug1 ) cout <<"Creating smaller font: " <<bname NL;
   smaller = new FontDataC(bname);
   if ( !smaller->loaded ) {
      delete smaller;
      smaller = this;
   }

   freeSmaller = True;
   return smaller;

} // End Smaller

/*----------------------------------------------------------------------
 * Method to look through a list of font names for a font matching the
 *    given criteria that is smaller than the current one.
 */

Boolean
FontDataC::FindSmaller(StringC& fname)
{
   if ( debug2 ) cout <<"Trying smaller: " <<fname NL;

   int	actual;
   char	**names = XListFonts(halApp->display, fname, 100, &actual);
   if ( !names ) return False;

//
// See if there's a smaller point size in the list
//
   Boolean	found = False;
   int		i = 0;
   CharC	name;
   StringC	sizeStr;
   while ( !found && i<actual ) {

//
// Extract the point size information.  It is found after the 8th dash.
//
      name = names[i];
      int	pos       = name.PosOf('-');
      int	dashCount = (pos>=0) ? 1 : 0;
      while ( pos >= 0 && dashCount < 8 ) {
	 pos = name.PosOf('-', (u_int)pos+1);
	 if ( pos >= 0 ) dashCount++;
      }

      if ( pos >= 0 && dashCount == 8 ) {
	 sizeStr = name.NextWord((u_int)pos+1, '-');
	 int	size = atoi(sizeStr);
	 found = (size < this->points);
      }

      if ( found ) fname = name;
      else	   i++;

   } // End while a smaller font has not been found

//
// If no font was found, see if there's a smaller pixel size in the list
//
   i = 0;
   while ( !found && i<actual ) {

//
// Extract the pixel size information.  It is found after the 7th dash.
//
      name = names[i];
      int	pos       = name.PosOf('-');
      int	dashCount = (pos>=0) ? 1 : 0;
      while ( pos >= 0 && dashCount < 7 ) {
	 pos = name.PosOf('-', (u_int)pos+1);
	 if ( pos >= 0 ) dashCount++;
      }

      if ( pos >= 0 && dashCount == 7 ) {
	 sizeStr = name.NextWord((u_int)pos+1, '-');
	 int	size = atoi(sizeStr);
	 found = (size < this->pixels);
      }

      if ( found ) fname = name;
      else	   i++;

   } // End while a smaller font has not been found

   XFreeFontNames(names);

   return found;

} // End FindSmaller

/*----------------------------------------------------------------------
 * Method to return a bold version of the current font
 */

FontDataC*
FontDataC::Bold()
{
   if ( !loaded && !bold ) bold = this;

//
// See if we already know this
//
   if ( bold ) return bold;

//
// See if this is already a bold font
//
   if ( weight.Equals("bold", IGNORE_CASE) ) {
      bold = this;
      return bold;
   }

   if ( debug1 ) cout <<"Looking for a bold font for: " <<name NL;

//
// See if there is a bold version of this font.
//
   StringC	bname;
   BuildName(foundry, family, "bold", slant, setWidth, addStyle, pixelSize,
	     pointSize, resStr, spacing, avgWidth, charset, bname);
   if ( FindFont(bname) ) return CreateBold(bname);

//
// Try a quick "bold" on the end of the name
//
   bname = name + "*bold";
   if ( FindFont(bname) ) return CreateBold(bname);

// Any width or add style
   BuildName(foundry, family, "bold", slant, "*", "*", pixelSize,
   	     pointSize, resStr, spacing, "*", charset, bname);
   if ( FindFont(bname) ) return CreateBold(bname);

// Any res
   BuildName(foundry, family, "bold", slant, "*", "*", pixelSize,
   	     pointSize, "*", spacing, "*", charset, bname);
   if ( FindFont(bname) ) return CreateBold(bname);

// Point size only
   BuildName(foundry, family, "bold", slant, "*", "*", "*",
   	     pointSize, resStr, spacing, "*", charset, bname);
   if ( FindFont(bname) ) return CreateBold(bname);

// Any res
   BuildName(foundry, family, "bold", slant, "*", "*", "*",
   	     pointSize, "*", spacing, "*", charset, bname);
   if ( FindFont(bname) ) return CreateBold(bname);

// Pixel size only
   BuildName(foundry, family, "bold", slant, "*", "*", pixelSize,
	     "*", resStr, spacing, "*", charset, bname);
   if ( FindFont(bname) ) return CreateBold(bname);

// Any res
   BuildName(foundry, family, "bold", slant, "*", "*", pixelSize,
	     "*", "*", spacing, "*", charset, bname);
   if ( FindFont(bname) ) return CreateBold(bname);

// Any foundry or family
   BuildName("*", "*", "bold", slant, setWidth, addStyle, pixelSize,
	     pointSize, resStr, spacing, "*", charset, bname);
   if ( FindFont(bname) ) return CreateBold(bname);

// Any res
   BuildName("*", "*", "bold", slant, setWidth, addStyle, pixelSize,
	     pointSize, "*", spacing, "*", charset, bname);
   if ( FindFont(bname) ) return CreateBold(bname);

// Any width or add style
   BuildName("*", "*", "bold", slant, "*", "*", pixelSize,
	     pointSize, resStr, spacing, "*", charset, bname);
   if ( FindFont(bname) ) return CreateBold(bname);

// Any res
   BuildName("*", "*", "bold", slant, "*", "*", pixelSize,
	     pointSize, "*", spacing, "*", charset, bname);
   if ( FindFont(bname) ) return CreateBold(bname);

// Point size only
   BuildName("*", "*", "bold", slant, "*", "*", "*",
	     pointSize, resStr, spacing, "*", charset, bname);
   if ( FindFont(bname) ) return CreateBold(bname);

// Any res
   BuildName("*", "*", "bold", slant, "*", "*", "*",
	     pointSize, "*", spacing, "*", charset, bname);
   if ( FindFont(bname) ) return CreateBold(bname);

// Pixel size only
   BuildName("*", "*", "bold", slant, "*", "*", pixelSize,
	     "*", resStr, spacing, "*", charset, bname);
   if ( FindFont(bname) ) return CreateBold(bname);

// Any res
   BuildName("*", "*", "bold", slant, "*", "*", pixelSize,
	     "*", "*", spacing, "*", charset, bname);
   if ( FindFont(bname) ) return CreateBold(bname);

//
// Try bigger fonts
//
   BuildName(foundry, family, "bold", slant, setWidth, addStyle, pixelSize,
	     pointSize, resStr, spacing, "*", charset, bname);
   if ( FindBigger(bname) ) return CreateBold(bname);

// Any res
   BuildName(foundry, family, "bold", slant, setWidth, addStyle,
	     pixelSize, pointSize, "*", spacing, "*", charset, bname);
   if ( FindBigger(bname) ) return CreateBold(bname);

// Any width or add style
   BuildName(foundry, family, "bold", slant, "*", "*", pixelSize,
	     pointSize, resStr, spacing, "*", charset, bname);
   if ( FindBigger(bname) ) return CreateBold(bname);

// Any res
   BuildName(foundry, family, "bold", slant, "*", "*", pixelSize,
	     pointSize, "*", spacing, "*", charset, bname);
   if ( FindBigger(bname) ) return CreateBold(bname);

// Point size only
   BuildName(foundry, family, "bold", slant, "*", "*", "*",
	     pointSize, resStr, spacing, "*", charset, bname);
   if ( FindBigger(bname) ) return CreateBold(bname);

// Any res
   BuildName(foundry, family, "bold", slant, "*", "*", "*",
	     pointSize, "*", spacing, "*", charset, bname);
   if ( FindBigger(bname) ) return CreateBold(bname);

// Pixel size only
   BuildName(foundry, family, "bold", slant, "*", "*", pixelSize,
	     "*", resStr, spacing, "*", charset, bname);
   if ( FindBigger(bname) ) return CreateBold(bname);

// Any res
   BuildName(foundry, family, "bold", slant, "*", "*", pixelSize,
	     "*", "*", spacing, "*", charset, bname);
   if ( FindBigger(bname) ) return CreateBold(bname);

// Any foundry or family
   BuildName("*", "*", "bold", slant, setWidth, addStyle, pixelSize,
	     pointSize, resStr, spacing, "*", charset, bname);
   if ( FindBigger(bname) ) return CreateBold(bname);

// Any res
   BuildName("*", "*", "bold", slant, setWidth, addStyle, pixelSize,
	     pointSize, "*", spacing, "*", charset, bname);
   if ( FindBigger(bname) ) return CreateBold(bname);

// Any width or add style
   BuildName("*", "*", "bold", slant, "*", "*", pixelSize,
	     pointSize, resStr, spacing, "*", charset, bname);
   if ( FindBigger(bname) ) return CreateBold(bname);

// Any res
   BuildName("*", "*", "bold", slant, "*", "*", pixelSize,
	     pointSize, "*", spacing, "*", charset, bname);
   if ( FindBigger(bname) ) return CreateBold(bname);

// Point size only
   BuildName("*", "*", "bold", slant, "*", "*", "*",
	     pointSize, resStr, spacing, "*", charset, bname);
   if ( FindBigger(bname) ) return CreateBold(bname);

// Any res
   BuildName("*", "*", "bold", slant, "*", "*", "*",
	     pointSize, "*", spacing, "*", charset, bname);
   if ( FindBigger(bname) ) return CreateBold(bname);

// Pixel size only
   BuildName("*", "*", "bold", slant, "*", "*", pixelSize,
	     "*", resStr, spacing, "*", charset, bname);
   if ( FindBigger(bname) ) return CreateBold(bname);

// Any res
   BuildName("*", "*", "bold", slant, "*", "*", pixelSize,
	     "*", "*", spacing, "*", charset, bname);
   if ( FindBigger(bname) ) return CreateBold(bname);

//
// If that didn't work, return this font
//
#if 0
   StringC errmsg("I could not find a bold version of the font: ");
   errmsg += name;
   halApp->PopupMessage(errmsg);
#else
   if ( debug1 )
      cout <<"I could not find a bold version of the font: " <<name <<endl;
#endif

   bold = this;
   return bold;

} // End Bold

/*----------------------------------------------------------------------
 * Method to create the specified bold font
 */

FontDataC*
FontDataC::CreateBold(char *bname)
{
//
// Create a new font structure
//
   if ( debug1 ) cout <<"Found bold font: " <<bname <<endl;
   bold = new FontDataC(bname);
   if ( !bold->loaded ) {
      delete bold;
      bold = this;
   }

   freeBold = True;
   return bold;

} // End CreateBold

/*----------------------------------------------------------------------
 * Method to return a non-bold version of the current font
 */

FontDataC*
FontDataC::NonBold()
{
   if ( !loaded && !nonBold ) nonBold = this;

//
// See if we already know this
//
   if ( nonBold ) return nonBold;

//
// See if this is already an italic font
//
   if ( !weight.Equals("bold", IGNORE_CASE) ) {
      nonBold = this;
      return nonBold;
   }

   if ( debug1 ) cout <<"Looking for a non-bold font for: " <<name NL;

//
// See if there is an medium or regular version of this font.
//
   StringC	bname;
   BuildName(foundry, family, "medium", slant, setWidth, addStyle, pixelSize,
	     pointSize, resStr, spacing, avgWidth, charset, bname);
   if ( FindFont(bname) ) return CreateNonBold(bname);

// Try regular
   BuildName(foundry, family, "regular", slant, setWidth, addStyle, pixelSize,
	     pointSize, resStr, spacing, avgWidth, charset, bname);
   if ( FindFont(bname) ) return CreateNonBold(bname);

// Any width or add style
   BuildName(foundry, family, "medium", slant, "*", "*", pixelSize,
	     pointSize, resStr, spacing, "*", charset, bname);
   if ( FindFont(bname) ) return CreateNonBold(bname);

// regular
   BuildName(foundry, family, "regular", slant, "*", "*", pixelSize,
	     pointSize, resStr, spacing, "*", charset, bname);
   if ( FindFont(bname) ) return CreateNonBold(bname);

// Any res, medium
   BuildName(foundry, family, "medium", slant, "*", "*", pixelSize,
	     pointSize, "*", spacing, "*", charset, bname);
   if ( FindFont(bname) ) return CreateNonBold(bname);

// Any res, regular
   BuildName(foundry, family, "regular", slant, "*", "*", pixelSize,
	     pointSize, "*", spacing, "*", charset, bname);
   if ( FindFont(bname) ) return CreateNonBold(bname);

// Point size only
   BuildName(foundry, family, "medium", slant, "*", "*", "*",
	     pointSize, resStr, spacing, "*", charset, bname);
   if ( FindFont(bname) ) return CreateNonBold(bname);

// regular
   BuildName(foundry, family, "regular", slant, "*", "*", "*",
	     pointSize, resStr, spacing, "*", charset, bname);
   if ( FindFont(bname) ) return CreateNonBold(bname);

// Any res, medium
   BuildName(foundry, family, "medium", slant, "*", "*", "*",
	     pointSize, "*", spacing, "*", charset, bname);
   if ( FindFont(bname) ) return CreateNonBold(bname);