function _image_captcha_image_generator_add_lines in CAPTCHA 7
Same name and namespace in other branches
- 5.3 image_captcha/image_captcha.user.inc \_image_captcha_image_generator_add_lines()
- 6.2 image_captcha/image_captcha.user.inc \_image_captcha_image_generator_add_lines()
- 6 image_captcha/image_captcha.user.inc \_image_captcha_image_generator_add_lines()
Add lines.
1 call to _image_captcha_image_generator_add_lines()
- _image_captcha_generate_image in image_captcha/
image_captcha.user.inc - Base function for generating a image CAPTCHA.
File
- image_captcha/
image_captcha.user.inc, line 227 - Functions for the generation of the CAPTCHA image.
Code
function _image_captcha_image_generator_add_lines(&$image, $width, $height, $colors) {
$line_quantity = $width * $height / 200.0 * (int) variable_get('image_captcha_noise_level', 5) / 10.0;
for ($i = 0; $i < $line_quantity; $i++) {
imageline($image, mt_rand(0, $width), mt_rand(0, $height), mt_rand(0, $width), mt_rand(0, $height), $colors[array_rand($colors)]);
}
}