private function createImage()
{
if ($this->img_ !== null) {
imagedestory($this->img_);
}
$this->img_ = imagecreatetruecolor($this->width, $this->height);
// background_color
$gd_color = imagecolorallocate($this->img_, $this->background_color[0], $this->background_color[1], $this->background_color[2]);
imagefilledrectangle($this->img_, 0, 0, $this->width, $this->height, $gd_color);
}
imagefilter($canvas, $imgFilters[$fSettings[0]][0], $fSettings[1], $fSettings[2], $fSettings[3], $fSettings[4]);
break;
default:
imagefilter($canvas, $imgFilters[$fSettings[0]][0]);
break;
}
}
}
if ($s && function_exists('imageconvolution')) {
$sMatrix = array(array(-1, -1, -1), array(-1, 16, -1), array(-1, -1, -1));
$div = 0;
$off = 0;
imageconvolution($canvas, $sMatrix, $div, $off);
}
display_image($mime, $canvas);
imagedestory($canvas);
die;
} else {
if (strlen($src)) {
_error('src not found');
} else {
_error('no src defined');
}
}
function check_source($src)
{
return $src;
}
function get_query($variable, $default = 0)
{
if (isset($_GET[$variable])) {
<?php
header("Content-type:image/jpeg");
session_start();
$a = rand(0, 9);
$b = rand(0, 9);
$c = rand(0, 9);
$d = rand(0, 9);
$e = rand(0, 9);
$f = rand(0, 9);
$code = $a . $b . $c . $d . $e . $f;
session_register("check");
$_SESSION['check'] = $code;
$font = rand(1, 5) . ".ttf";
$im = imagecreate(100, 30);
$bg = imagecolorallocate($im, 33, 142, 18);
$color = imagecolorallocate($im, 255, 255, 255);
imagettftext($im, 15, rand(-3, 3), 10, 20, $color, $font, $code);
imagejpeg($im);
imagedestory($im);
function create_tolerance($val_1, $val_2)
{
header("Content-type: image/jpeg");
$image = imageCreatetruecolor(35, 20);
$white = imagecolorallocate($image, 255, 255, 255);
imagefill($image, 0, 0, $white);
$text_color = imagecolorallocate($image, 0, 0, 0);
imagestring($image, 2, 0, 0, $val_1, $text_color);
imagestring($image, 2, 0, 9, $val_2, $text_color);
imagejpeg($image);
//输出图像
imagedestory($image);
//销毁图像对像
}
