// Create panel
$panel = new \TopiLib\TopiPanel('jpeg', 60, 255, 255, 255);
$panel->txtLMagicMagnet = true;
$panel->txtTMagicMagnet = true;
$panel->txtRMagicMagnet = true;
$panel->txtBMagicMagnet = true;
$panel->txtLMagicMagnetTol = 10;
$panel->createBlank(300, 200);
// Pick random background, get info, and start captcha
$background = $captcha_config['backgrounds'][rand(0, count($captcha_config['backgrounds']) - 1)];
$image = new \TopiLib\TopiImage($background, 'png');
$image->position = 'tile';
$panel->addImage($image);
// Determine text angle
$angle = rand($captcha_config['angle_min'], $captcha_config['angle_max']) * (rand(0, 1) == 1 ? -1 : 1);
// Select font randomly
$font = $captcha_config['fonts'][rand(0, count($captcha_config['fonts']) - 1)];
// Verify font file exists
if (!file_exists($font)) {
throw new Exception('Font file not found: ' . $font);
}
//Set the font size.
$font_size = rand($captcha_config['min_font_size'], $captcha_config['max_font_size']);
$text1 = new \TopiLib\TopiText($font, $captcha_config['code'], 1, $captcha_config['max_font_size'] + 1, $font_size, $font_size);
$text1->rotation = $angle;
$text1->settxtHexColor($captcha_config['color']);
$text1->startY = 20;
$text1->startX = 20;
$panel->addText($text1);
$panel->render();
}
