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<? include_once("./_common.php"); function echo_check_image($str, $width, $height, $background_color, $text_color, $grid_color) { $number = $str; $background_color = str_replace("#", "", $background_color); $text_color = str_replace("#", "", $text_color); $grid_color = str_replace("#", "", $grid_color); // WebColor -> RGB $BR = hexdec(substr($background_color, 0, 2)); $BG = hexdec(substr($background_color, 2, 2)); $BB = hexdec(substr($background_color, 4, 2)); $TR = hexdec(substr($text_color, 0, 2)); $TG = hexdec(substr($text_color, 2, 2)); $TB = hexdec(substr($text_color, 4, 2)); $GR = hexdec(substr($grid_color, 0, 2)); $GG = hexdec(substr($grid_color, 2, 2)); $GB = hexdec(substr($grid_color, 4, 2)); $im = @imagecreate($width, $height) or die("Cannot Initialize new GD image stream"); header ("Content-type: image/png"); $background_color = imagecolorallocate($im, $BR, $BG, $BB); $text_color = imagecolorallocate($im, $TR, $TG, $TB); $grid_color = imagecolorallocate($im, $GR, $GG, $GB); image_random_grid($im, $width, $height, 5, $grid_color); imagestring($im, rand(4,6), rand(5,15), rand(1,3), $number, $text_color); imagepng($im); imagedestroy($im); } function image_random_grid($im, $w, $h, $s, $color) { for($i=1; $i<$w/$s; $i++) { $tmp = rand($s-$s/3, $s+$s/3); imageline($im, $i*$tmp, 0, $i*$tmp, $h, $color); } for($i=1; $i<$h/$s; $i++) { $tmp = rand($s-$s/3, $s+$s/3); imageline($im, 0, $i*$tmp, $w, $i*$tmp, $color); } } //echo_check_image(rand(4,6), 65, 20, "#FF33CC", "#FFFFFF", "#FF79DE"); echo_check_image($_SESSION['ss_norobot_key'], 80, 19, "#FF33CC", "#FFFFFF", "#FF79DE"); ?>