/**
* Resized a given image
* @param string file (path) pointing to the image
* @param int width to resize to
* @param int height to resize to
* @return Image resized image
*/
function generate_resized_image($file, $width, $height)
{
$image_info = getimagesize($file);
// Make sure, the image does not become bigger than the original
if ($width > $image_info[0]) {
$width = $image_info[0];
}
if ($height > $image_info[1]) {
$height = $image_info[1];
}
if ($width && $height) {
// Final dimensions are already set
} else {
if ($width) {
// Width set
$height = round($width / ($image_info[0] / $image_info[1]));
} else {
if ($height) {
// Height set
$width = round($height * ($image_info[0] / $image_info[1]));
} else {
// Nothing set
$width = $image_info[0];
$height = $image_info[1];
}
}
}
$create_function_name = wpws_ImageUtils::get_create_function_name($file);
$original_image = $create_function_name($file);
$resized_image = imagecreatetruecolor($width, $height);
$white = imagecolorallocate($resized_image, 255, 255, 255);
imagefill($resized_image, 0, 0, $white);
imagesavealpha($resized_image, true);
imagealphablending($resized_image, true);
imageantialias($resized_image, true);
imagecopyresampled($resized_image, $original_image, 0, 0, 0, 0, $width, $height, $image_info[0], $image_info[1]);
imagedestroy($original_image);
return $resized_image;
}
