Source

Coin / src / fonts / fontspec.cpp

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#include "fonts/fontspec.h"

#include <string.h>

#include "glue/freetype.h"

void
cc_fontspec_construct(cc_font_specification * spec,
                      const char * name_style, float size, float complexity)
{
  const char * tmpstr, * tmpptr;

  spec->size = size;
  spec->complexity = complexity;

  cc_string_construct(&spec->name);
  cc_string_set_text(&spec->name, name_style);

  cc_string_construct(&spec->style);

  /* handle the previously allowed ':Bold Italic' case for fontconfig */
  /* FIXME: this is an ugly non robust workaround. it would be better
     to agree on an abstract fontname matching schema that is then
     consistently applied upon all font backend
     implementations. 20040929 tamer. */
  if (cc_fcglue_available()) {
    tmpstr = cc_string_get_text(&spec->name);

    if ((tmpptr = strchr(tmpstr, ':'))) {
      char * tmpptrspace;
      if ((tmpptrspace = (char *) strchr(tmpptr, ' '))) {
        *tmpptrspace = ':';
      }
    }

    return;
  }

  /* Check if style is included in the fontname using the
     "family:style" syntax. */
  tmpstr = cc_string_get_text(&spec->name);
  if ((tmpptr = strchr(tmpstr, ':'))) {
    const int pos = (int)(tmpptr - tmpstr);
    const int namelen = cc_string_length(&spec->name);

    int trimstyleend, trimnamestart;
    int trimposstyle = pos + 1;
    int trimposname = pos - 1;

    while (tmpstr[trimposstyle] == ' ') {
      ++trimposstyle;
    }

    while (tmpstr[trimposname] == ' ') {
      --trimposname;
    }

    cc_string_set_text(&spec->style, cc_string_get_text(&spec->name));
    cc_string_remove_substring(&spec->style, 0, trimposstyle - 1);
    cc_string_remove_substring(&spec->name, trimposname + 1, namelen-1);

    trimstyleend = cc_string_length(&spec->style);
    trimposstyle = trimstyleend;
    tmpstr = cc_string_get_text(&spec->style);

    while (tmpstr[trimstyleend-1] == ' ') {
      --trimstyleend;
    }

    if(trimstyleend !=  trimposstyle) {
      cc_string_remove_substring(&spec->style, trimstyleend, cc_string_length(&spec->style) - 1);
    }

    tmpstr = cc_string_get_text(&spec->name);
    trimnamestart = 0;
    while (tmpstr[trimnamestart] == ' ') {
      ++trimnamestart;
    }

    if (trimnamestart != 0) {
      cc_string_remove_substring(&spec->name, 0, trimnamestart-1);
    }

  }
}

void
cc_fontspec_copy(const cc_font_specification * from,
                 cc_font_specification * to)
{
  to->size = from->size;
  to->complexity = from->complexity;

  cc_string_construct(&to->name);
  cc_string_set_string(&to->name, &from->name);
  cc_string_construct(&to->style);
  cc_string_set_string(&to->style, &from->style);
}

void
cc_fontspec_clean(cc_font_specification * spec)
{
  cc_string_clean(&spec->name);
  cc_string_clean(&spec->style);
}