72 lines
1.8 KiB
PHP
72 lines
1.8 KiB
PHP
<?php
|
|
|
|
namespace NoccyLabs\GdLabel\Elements;
|
|
|
|
use NoccyLabs\GdLabel\Element;
|
|
|
|
class TextElement extends Element
|
|
{
|
|
|
|
private static $fontCache = [];
|
|
|
|
private static function findFont($font)
|
|
{
|
|
if (count(self::$fontCache)==0) {
|
|
self::updateFonts();
|
|
}
|
|
|
|
$font = strtolower($font);
|
|
|
|
if (array_key_exists($font, self::$fontCache)) {
|
|
return self::$fontCache[$font];
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private static function updateFonts()
|
|
{
|
|
exec("fc-list", $output, $ret);
|
|
if ($ret != 0) {
|
|
fprintf(STDERR, "%s\n", join("\n",$output));
|
|
return;
|
|
}
|
|
foreach ($output as $line) {
|
|
$seg = explode(":", $line);
|
|
$file = $seg[0];
|
|
$name = strtolower(trim(preg_replace("/[^A-Za-z0-9 ]/", '', $seg[1])));
|
|
self::$fontCache[$name] = $file;
|
|
}
|
|
|
|
}
|
|
|
|
protected function draw($gd, int $x, int $y, int $width, int $height, array $params)
|
|
{
|
|
if (($bound = $this->getProp("bind-value"))) {
|
|
$value = array_key_exists($bound, $params)?$params[$bound]:"?{$bound}?";
|
|
} else {
|
|
$value = $this->getProp("value");
|
|
}
|
|
|
|
$font = self::findFont("liberation sans");
|
|
if (!$font) {
|
|
return;
|
|
}
|
|
|
|
$color = $this->getPropRgb("text-color");
|
|
|
|
$size = $this->getProp("font-size", 8);
|
|
|
|
$dims = imagettfbbox($size, 0, $font, $value);
|
|
|
|
$textAscent = abs($dims[7]);
|
|
$textDescent = abs($dims[1]);
|
|
$textWidth = abs($dims[0])+abs($dims[2]);
|
|
$textHeight = $textAscent+$textDescent;
|
|
|
|
imagettftext($gd, $size, 0, $x, $y + $textAscent, $color, $font, $value);
|
|
//imagestring($gd, $size, $x, $y, $value, $color);
|
|
|
|
}
|
|
|
|
|
|
} |