streams/Code/Thumbs/Text.php

<?php

namespace Code\Thumbs;

class Text
{

    public function MatchDefault($type)
    {
        return (($type === 'text') ? true : false);
    }

    public function Thumb($attach, $preview_style, $height = 300, $width = 300)
    {

        $stream = @fopen(dbunescbin($attach['content']), 'rb');
        if ($stream) {
            $content = trim(stream_get_contents($stream, 4096));
            $content = str_replace("\r", '', $content);
            $content_a = explode("\n", $content);
        }
        if ($content_a) {
            $fsize = 4;
            $lsize = 8;
            $image = imagecreate($width, $height);
            imagecolorallocate($image, 255, 255, 255);
            $colour = imagecolorallocate($image, 0, 0, 0);
            $border = imagecolorallocate($image, 208, 208, 208);

            $x1 = 0;
            $y1 = 0;
            $x2 = ImageSX($image) - 1;
            $y2 = ImageSY($image) - 1;

            for ($i = 0; $i < 2; $i++) {
                ImageRectangle($image, $x1++, $y1++, $x2--, $y2--, $border);
            }

            foreach ($content_a as $l => $t) {
                $l = $l + 1;
                $x = 3;
                $y = ($l * $lsize) + 3 - $fsize;
                imagestring($image, 1, $x, $y, $t, $colour);
                if (($l * $lsize) >= $height) {
                    break;
                }
            }
            imagejpeg($image, dbunescbin($attach['content']) . '.thumb');
        }
    }
}