| public static resizeAvatarImage ( string $source_image, string $destination, integer $final_width = 44, integer $final_height = 44 ) : boolean | ||
| $source_image | string | The location to the original raw image |
| $destination | string | The location to save the new image |
| $final_width | integer | The desired width of the new image |
| $final_height | integer | The desired height of the new image |
| Результат | boolean | success state |
public static function resizeAvatarImage($source_image, $destination, $final_width = 44, $final_height = 44)
{
$imageData = getimagesize($source_image);
$width = $imageData[0];
$height = $imageData[1];
$mimeType = $imageData['mime'];
if (!$width || !$height) {
return false;
}
switch ($mimeType) {
case 'image/jpeg':
$myImage = imagecreatefromjpeg($source_image);
break;
case 'image/png':
$myImage = imagecreatefrompng($source_image);
break;
case 'image/gif':
$myImage = imagecreatefromgif($source_image);
break;
default:
return false;
}
// calculating the part of the image to use for thumbnail
if ($width > $height) {
$verticalCoordinateOfSource = 0;
$horizontalCoordinateOfSource = ($width - $height) / 2;
$smallestSide = $height;
} else {
$horizontalCoordinateOfSource = 0;
$verticalCoordinateOfSource = ($height - $width) / 2;
$smallestSide = $width;
}
// copying the part into thumbnail, maybe edit this for square avatars
$thumb = imagecreatetruecolor($final_width, $final_height);
imagecopyresampled($thumb, $myImage, 0, 0, $horizontalCoordinateOfSource, $verticalCoordinateOfSource, $final_width, $final_height, $smallestSide, $smallestSide);
// add '.jpg' to file path, save it as a .jpg file with our $destination_filename parameter
imagejpeg($thumb, $destination . '.jpg', Config::get('AVATAR_JPEG_QUALITY'));
imagedestroy($thumb);
if (file_exists($destination)) {
return true;
}
return false;
} /**
* Create an avatar picture (and checks all necessary things too)
* TODO decouple
* TODO total rebuild
*/
public static function createAvatar()
{
// check avatar folder writing rights, check if upload fits all rules
if (AvatarModel::isAvatarFolderWritable() and AvatarModel::validateImageFile()) {
// create a jpg file in the avatar folder, write marker to database
$target_file_path = Config::get('PATH_AVATARS') . Session::get('user_id');
AvatarModel::resizeAvatarImage($_FILES['avatar_file']['tmp_name'], $target_file_path, Config::get('AVATAR_SIZE'), Config::get('AVATAR_SIZE'), Config::get('AVATAR_JPEG_QUALITY'));
AvatarModel::writeAvatarToDatabase(Session::get('user_id'));
Session::set('user_avatar_file', AvatarModel::getPublicUserAvatarFilePathByUserId(Session::get('user_id')));
Session::add('feedback_positive', Text::get('FEEDBACK_AVATAR_UPLOAD_SUCCESSFUL'));
}
}
