/*! \brief Adds the FontFamily/FontStyle that is represented by this path.
*/
status_t
FontManager::_AddFont(font_directory& directory, BEntry& entry)
{
node_ref nodeRef;
status_t status = entry.GetNodeRef(&nodeRef);
if (status < B_OK)
return status;
BPath path;
status = entry.GetPath(&path);
if (status < B_OK)
return status;
FT_Face face;
FT_Error error = FT_New_Face(gFreeTypeLibrary, path.Path(), 0, &face);
if (error != 0)
return B_ERROR;
FontFamily *family = _FindFamily(face->family_name);
if (family != NULL && family->HasStyle(face->style_name)) {
// prevent adding the same style twice
// (this indicates a problem with the installed fonts maybe?)
FT_Done_Face(face);
return B_OK;
}
if (family == NULL) {
family = new (std::nothrow) FontFamily(face->family_name, fNextID++);
if (family == NULL
|| !fFamilies.BinaryInsert(family, compare_font_families)) {
delete family;
FT_Done_Face(face);
return B_NO_MEMORY;
}
}
FTRACE(("\tadd style: %s, %s\n", face->family_name, face->style_name));
// the FontStyle takes over ownership of the FT_Face object
FontStyle *style = new FontStyle(nodeRef, path.Path(), face);
if (!family->AddStyle(style)) {
delete style;
delete family;
return B_NO_MEMORY;
}
directory.styles.AddItem(style);
fStyleHashTable.AddItem(style);
if (directory.AlreadyScanned())
directory.revision++;
return B_OK;
}
/*!
\brief Scan a folder for all valid fonts
\param fontspath Path of the folder to scan.
\return
- \c B_OK Success
- \c B_NAME_TOO_LONG The path specified is too long
- \c B_ENTRY_NOT_FOUND The path does not exist
- \c B_LINK_LIMIT A cyclic loop was detected in the file system
- \c B_BAD_VALUE Invalid input specified
- \c B_NO_MEMORY Insufficient memory to open the folder for reading
- \c B_BUSY A busy node could not be accessed
- \c B_FILE_ERROR An invalid file prevented the operation.
- \c B_NO_MORE_FDS All file descriptors are in use (too many open files).
*/
status_t FontServer::ScanDirectory(const char *fontspath)
{
// This bad boy does all the real work. It loads each entry in the
// directory. If a valid font file, it adds both the family and the style.
// Both family and style are stored internally as BStrings. Once everything
int32 validcount=0;
FT_Face face;
FT_Error error;
FT_CharMap charmap;
FontFamily *family;
DIR* hDir;
dirent* psEntry;
printf( "FontServer::ScanDirectory(): opening %s\n", fontspath );
if ( (hDir = opendir( fontspath ) ) )
{
while( (psEntry = readdir( hDir )) )
{
printf( "FontServer::ScanDirectory(): found entry %s\n", psEntry->d_name );
char zFullPath[ PATH_MAX ];
if ( strcmp( psEntry->d_name, "." ) == 0 || strcmp( psEntry->d_name, ".." ) == 0 )
{
continue;
}
strcpy( zFullPath, fontspath );
pathcat( zFullPath, psEntry->d_name );
error=FT_New_Face(ftlib, zFullPath,0,&face);
if (error!=0)
continue;
charmap=_GetSupportedCharmap(face);
if(!charmap)
{
FT_Done_Face(face);
continue;
}
face->charmap=charmap;
family=_FindFamily(face->family_name );
if (!family)
{
#ifdef PRINT_FONT_LIST
printf("Font Family: %s\n",face->family_name);
#endif
family=new FontFamily(face->family_name);
families->AddItem(family);
}
if(family->HasStyle(face->style_name))
{
FT_Done_Face(face);
continue;
}
#ifdef PRINT_FONT_LIST
printf("\tFont Style: %s\n",face->style_name);
#endif
// Has vertical metrics?
family->AddStyle(zFullPath,face);
validcount++;
FT_Done_Face(face);
}
printf( "Directory '%s' scanned, %ld fonts found\n", fontspath, validcount );
closedir( hDir );
}
need_update=true;
return B_OK;
}