/**
* Return font full path
*
* @param string $fontdir Original font directory
* @param string $file Font file name.
*
* @return string Font full path or empty string
*/
protected function getFontFullPath($fontdir, $file)
{
$dirobj = new Dir();
// directories where to search for the font definition file
$dirs = array_unique(array('', $fontdir, defined('K_PATH_FONTS') ? K_PATH_FONTS : '', $dirobj->findParentDir('fonts', __DIR__)));
foreach ($dirs as $dir) {
if (@is_readable($dir . $file)) {
return $dir . $file;
}
}
throw new FontException('Unable to locate the file: ' . $file);
}
/**
* Find the path where to store the processed font.
*
* @param string $output_path Output path for generated font files (must be writeable by the web server).
* Leave null for default font folder (K_PATH_FONTS).
*
* @return string
*/
protected function findOutputPath($output_path = null)
{
if (!empty($output_path) && is_writable($output_path)) {
return $output_path;
}
if (defined('K_PATH_FONTS') && is_writable(K_PATH_FONTS)) {
return K_PATH_FONTS;
}
$dirobj = new Dir();
$dir = $dirobj->findParentDir('fonts', __DIR__);
if ($dir == '/') {
$dir = sys_get_temp_dir();
}
if (substr($dir, -1) !== '/') {
$dir .= '/';
}
return $dir;
}
/**
* Returns a list of font directories
*
* @return array Font directories
*/
protected function findFontDirectories()
{
$dirobj = new Dir();
$dirs = array('');
if (defined('K_PATH_FONTS')) {
$dirs[] = K_PATH_FONTS;
$dirs = array_merge($dirs, array_filter(glob(K_PATH_FONTS . '/*'), 'is_dir'));
}
$parent_font_dir = $dirobj->findParentDir('fonts', __DIR__);
if (!empty($parent_font_dir)) {
$dirs[] = $parent_font_dir;
$dirs = array_merge($dirs, array_filter(glob($parent_font_dir . '/*'), 'is_dir'));
}
return array_unique($dirs);
}