/**
* generates an image from arbitrary text.
* @param string text to place on image
* @param string file name
* @return void
*/
function generate($name, $overwrite = false)
{
$text = self::get_surname($name->sortkeyprefix);
$filename = $name->pageid;
$options = wkwThemeAdmin::get_datascape_options();
/* get image path */
$uploads_dir = wp_upload_dir();
$namesDir = $uploads_dir["basedir"] . "/wkw-cache/names";
$filename = $namesDir . "/" . $filename . ".png";
if (file_exists($filename)) {
if ($overwrite) {
@unlink($filename);
} else {
return;
}
}
/* settings */
$fontPath = get_template_directory() . '/fonts/HandsomePro-Extended.ttf';
$fontSize = $options["fontsize"];
$textcolour = $name->urltitle ? wkwThemeAdmin::hex2RGB($options["names_colour"]) : wkwThemeAdmin::hex2RGB($options["names_colour_unlinked"]);
/* get dimensions of image */
$bbox = imagettfbbox($fontSize, 0, $fontPath, $text);
$width = $bbox[4] + 24;
$height = $fontSize * 2;
/* set baseline */
$y = $fontSize * 1.25;
/* create image */
$im = self::createImage($width, $height);
/* set colour */
$colour = imagecolorallocate($im, $textcolour["red"], $textcolour["green"], $textcolour["blue"]);
/* Add the text */
imagettftext($im, $fontSize, 0, 12, $y, $colour, $fontPath, $text);
/* save image */
imagepng($im, $filename, 9);
/* clean up */
imagedestroy($im);
}
