Image moved to class
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sedivy.miro
parent
a3dd140f2d
commit
cf7fba1d78
2 changed files with 136 additions and 120 deletions
135
lib/image.class.php
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135
lib/image.class.php
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<?php
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class Image
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{
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const CHMOD = 775;
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private static function random_str($len = 10){
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$chr = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
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$chr_len = strlen($chr);
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$random_str = '';
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for($i = 0; $i < $len; $i++){
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$random_str .= $chr[rand(0, $chr_len - 1)];
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}
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return $random_str;
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}
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private static function thumb($source_path, $thumb_path){
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ini_set('memory_limit', '128M');
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$thumb_w = 476;
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$thumb_h = 476;
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$source_details = getimagesize($source_path);
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$source_w = $source_details[0];
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$source_h = $source_details[1];
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if($source_w > $source_h){
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$new_w = $thumb_w;
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$new_h = intval($source_h * $new_w / $source_w);
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} else {
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$new_h = $thumb_h;
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$new_w = intval($source_w * $new_h / $source_h);
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}
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switch($source_details[2]){
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case IMAGETYPE_GIF:
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$imgt = "ImageGIF";
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$imgcreatefrom = "ImageCreateFromGIF";
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break;
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case IMAGETYPE_JPEG:
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$imgt = "ImageJPEG";
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$imgcreatefrom = "ImageCreateFromJPEG";
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break;
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case IMAGETYPE_PNG:
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$imgt = "ImagePNG";
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$imgcreatefrom = "ImageCreateFromPNG";
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break;
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default:
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return false;
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}
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$old_image = $imgcreatefrom($source_path);
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$new_image = imagecreatetruecolor($new_w, $new_h);
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imagecopyresampled($new_image, $old_image, 0, 0, 0, 0, $new_w, $new_h, $source_w, $source_h);
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//$new_image = imagecreatetruecolor($thumb_w, $thumb_h);
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//imagecopyresized($new_image, $old_image, $dest_x, $dest_y, 0, 0, $new_w, $new_h, $source_w, $source_h);
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return $imgt($new_image, $thumb_path);
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}
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public static function upload($name, $data){
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$photo = null;
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$ext = null;
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if($data){
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preg_match('/^data\:image\/(jpe?g|png|gif)\;base64,(.*)$/', $data, $m);
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if(!$m){
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throw new Excrption("Invalid file.");
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}
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$ext = $m[1];
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if($ext == "jpeg") $ext = "jpg";
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// Decode photo
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$photo = base64_decode($m[2]);
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}
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if($_FILES){
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$photo = file_get_contents($_FILES["file"]["tmp_name"]);
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$name = $_FILES['file']['name'];
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$ext = pathinfo($name, PATHINFO_EXTENSION);
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}
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if(!$_FILES && !$data){
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throw new Excrption("No file.");
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}
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// Create MD5
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$md5 = md5($photo);
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// Find duplicate
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if($d = DB::get_instance()->query("SELECT `path`, `thumb` FROM `images` WHERE `md5` = ? AND `status` = 1 LIMIT 1", $md5)->first()){
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return $d;
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}
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// Save to DB
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$id = DB::get_instance()->query(
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"INSERT INTO `images` ".
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"(`id`, `name`, `path`, `thumb`, `type`, `md5`, `datetime`, `status`) ".
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"VALUES (NULL, ?, NULL, NULL, ?, ?, NOW(), 1);",
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$name, $ext, $md5
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)->last_id();
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// Create path name
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$name = dechex($id).self::random_str(3).".".$ext;
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$path = 'i/'.$name;
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$thumb = 't/'.$name;
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// Save path
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if(false === file_put_contents($path, $photo)){
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// Try to set chmod
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if(chmod("i", Image::CHMOD) && chmod("t", Image::CHMOD)){
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throw new Exception("Can't write to file. Chmod has been changed, try again.");
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}
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DB::get_instance()->query("UPDATE `images` SET `status` = 0 WHERE `id` = ?", $id);
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throw new Exception("Can't write to file.");
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}
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// Create thumb
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self::thumb($path, $thumb);
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// Save to DB
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DB::get_instance()->query("UPDATE `images` SET `path` = ?, `thumb` = ?, `status` = ? WHERE `id` = ?", $path, $thumb, $status, $id);
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return [
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"path" => $path,
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"thumb" => $thumb
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];
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}
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}
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@ -55,67 +55,6 @@ class Post
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}
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}
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private static function random_str($len = 10){
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$chr = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
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$chr_len = strlen($chr);
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$random_str = '';
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for($i = 0; $i < $len; $i++){
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$random_str .= $chr[rand(0, $chr_len - 1)];
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}
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return $random_str;
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}
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public static function thumb($source_path, $thumb_path){
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ini_set('memory_limit', '128M');
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$thumb_w = 476;
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$thumb_h = 476;
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$source_details = getimagesize($source_path); // pass id to thumb name
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$source_w = $source_details[0];
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$source_h = $source_details[1];
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if($source_w > $source_h){
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$new_w = $thumb_w;
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$new_h = intval($source_h * $new_w / $source_w);
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} else {
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$new_h = $thumb_h;
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$new_w = intval($source_w * $new_h / $source_h);
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}
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//$dest_x = intval(($thumb_w - $new_w) / 2);
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//$dest_y = intval(($thumb_h - $new_h) / 2);
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switch($source_details[2]){
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case IMAGETYPE_GIF:
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$imgt = "ImageGIF";
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$imgcreatefrom = "ImageCreateFromGIF";
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break;
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case IMAGETYPE_JPEG:
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$imgt = "ImageJPEG";
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$imgcreatefrom = "ImageCreateFromJPEG";
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break;
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case IMAGETYPE_PNG:
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$imgt = "ImagePNG";
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$imgcreatefrom = "ImageCreateFromPNG";
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break;
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default:
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return false;
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}
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$old_image = $imgcreatefrom($source_path);
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$new_image = imagecreatetruecolor($new_w, $new_h);
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imagecopyresampled($new_image, $old_image, 0, 0, 0, 0, $new_w, $new_h, $source_w, $source_h);
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//$new_image = imagecreatetruecolor($thumb_w, $thumb_h);
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//imagecopyresized($new_image, $old_image, $dest_x, $dest_y, 0, 0, $new_w, $new_h, $source_w, $source_h);
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return $imgt($new_image, $thumb_path);
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}
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public static function insert($r){
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self::login_protected();
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@ -281,65 +220,7 @@ class Post
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public static function upload_image($r){
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self::login_protected();
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$photo = null;
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$ext = null;
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if($r["data"]){
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preg_match('/^data\:image\/(jpe?g|png|gif)\;base64,(.*)$/', $r["data"], $m);
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if(!$m){
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throw new Exception("invalid file");
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}
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$ext = $m[1];
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if($ext == "jpeg"){
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$ext = "jpg";
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}
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// Decode photo
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$photo = base64_decode($m[2]);
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}
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if($_FILES){
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$photo = file_get_contents($_FILES["file"]["tmp_name"]);
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$r["name"] = $_FILES['file']['name'];
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$ext = pathinfo($r["name"], PATHINFO_EXTENSION);
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}
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if(!$_FILES && !$r["data"]){
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throw new Exception("no file");
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}
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// Create MD5
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$md5 = md5($photo);
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// Find duplicate
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if($d = DB::get_instance()->query("SELECT `path`, `thumb` FROM `images` WHERE `md5` = ? AND `status` = 1 LIMIT 1", $md5)->first()){
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return $d;
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}
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// Save to DB
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$id = DB::get_instance()->query(
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"INSERT INTO `images` ".
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"(`id`, `name`, `path`, `thumb`, `type`, `md5`, `datetime`, `status`) ".
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"VALUES (NULL, ?, NULL, NULL, ?, ?, NOW(), 1);",
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$r["name"], $ext, $md5
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)->last_id();
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// Create path name
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$name = dechex($id).self::random_str(3).".".$ext;
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$path = 'i/'.$name;
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$thumb = 't/'.$name;
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// Save path
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file_put_contents($path, $photo);
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// Create thumb
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self::thumb($path, $thumb);
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// Save to DB
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DB::get_instance()->query("UPDATE `images` SET `path` = ?, `thumb` = ? WHERE `id` = ?", $path, $thumb, $id);
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return ["path" => $path, "thumb" => $thumb];
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return Image::upload($r["name"], $r["data"]);
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}
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public static function load($r){
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