/**
* crop an image while preserving aspect ratio
*
* @param int $nw the new width of the image
* @param int $nh the new height of the image
* @param string $source the path and file of the image to be cropped
* @param string $dest the path and file of the cropped image
* @return boolean true on success
*
*/
function crop_image($nw, $nh, $source, $dest, $sharpen = true)
{
if (!is_file($source) || !is_readable($source)) {
trigger_error('cannot resize image; no file exists at the given path ' . '(' . var_export($source, true) . ')', WARNING);
return false;
}
$perms = substr(sprintf('%o', fileperms($source)), -4);
if (imagemagick_available()) {
$result = _imagemagick_crop_image($nw, $nh, $source, $dest, $sharpen);
} else {
if (function_exists('imagecreatetruecolor')) {
$result = _gd_crop_image($nw, $nh, $source, $dest, $sharpen);
} else {
trigger_error('neither ImageMagick nor GD are available; cannot ' . 'crop image', WARNING);
return false;
}
}
// Prevent the transformation from changing the file permissions.
clearstatcache();
$newperms = substr(sprintf('%o', fileperms($dest)), -4);
if ($perms != $newperms) {
@chmod($dest, octdec($perms));
}
return $result;
}
/**
* A test function for testing _imagemagick_crop_image. It allows
* you to test several cases quickly.
*/
function im_resize_images()
{
global $d;
$img_ids = explode(",", $d['image_id']);
$width = (int) $d['w'];
$height = (int) $d['h'];
$crop_style = $d['crop_style'];
$target = array();
$source = array();
$url = array();
foreach ($img_ids as $id) {
$rsi = new reasonSizedImage();
$rsi->set_id($id);
$rsi->set_width($width);
$rsi->set_height($height);
$rsi->set_crop_style($crop_style);
$target[] = $rsi->_get_path();
$entity = new entity($id);
$source[] = reason_get_image_path($entity, 'standard');
$url[] = $rsi->_get_url();
}
// print_r($target);
// pray($source);
// pray($url);
for ($i = 0; $i < count($source); $i++) {
_imagemagick_crop_image($width, $height, $source[$i], $target[$i], false);
}
$str = "";
for ($i = 0; $i < count($url); $i++) {
$str .= "" . $url[$i] . ",";
}
$str = trim($str, ",");
echo $str;
// _imagemagick_crop_image($nw,$nh,$source,$target,false);
// resize_images();
}
