source: temp/trunk/data/class/SC_Image.php @ 9283

<?php
/*
 * Copyright(c) 2000-2006 LOCKON CO.,LTD. All Rights Reserved.
 *
 * http://www.lockon.co.jp/
 */

//---- ¥¢¥Ã¥×¥í¡¼¥É¥Õ¥¡¥¤¥ë²Ã¹©¥¯¥é¥¹(thumb.php¤È¥»¥Ã¥È¤Ç»ÈÍѤ¹¤ë)
class SC_Image {
    
    var $tmp_dir;
        
    function SC_Image($tmp_dir) {
        // ¥Ø¥Ã¥À¥Õ¥¡¥¤¥ëÆɹþ
        $include_dir = realpath(dirname( __FILE__));
        require_once($include_dir . "/../lib/thumb.php");
        if(!ereg("/$", $tmp_dir)) {
            $this->tmp_dir = $tmp_dir . "/";
        } else {
            $this->tmp_dir = $tmp_dir;
        }
    }
    
    //--- °ì»þ¥Õ¥¡¥¤¥ëÀ¸À®(¥µ¥à¥Í¥¤¥ë²èÁüÀ¸À®ÍÑ)
    function makeTempImage($keyname, $max_width, $max_height) {
        // °ì°Õ¤ÊID¤ò¼èÆÀ¤¹¤ë¡£
        $mainname = uniqid("").".";
        // ³ÈÄ¥»Ò°Ê³°¤òÃÖ¤­´¹¤¨¤ë¡£
        $newFileName = ereg_replace("^.*\.",$mainname, $_FILES[$keyname]['name']);
        $result  = MakeThumb($_FILES[$keyname]['tmp_name'], $this->tmp_dir , $max_width, $max_height, $newFileName);
        gfDebugLog($result);
        return $newFileName;
    }

    //--- ¥Õ¥¡¥¤¥ë¤ò»ØÄêÊݸDIR¤Ø°ÜÆ°
    function moveTempImage($filename, $save_dir) {
        // ¥³¥Ô¡¼¸µ¥Õ¥¡¥¤¥ë¡¢¥³¥Ô¡¼Àè¥Ç¥£¥ì¥¯¥È¥ê¤¬Â¸ºß¤¹¤ë¾ì¹ç¤Ë¤Î¤ß¼Â¹Ô¤¹¤ë
        if(file_exists($this->tmp_dir.$filename) && file_exists($save_dir)) {
            if(copy($this->tmp_dir . $filename , $save_dir."/".$filename)) {
                unlink( $this->tmp_dir . $filename );
            }
        } else {
            gfDebugLog($this->tmp_dir.$filename."¤Î°ÜÆ°¤Ë¼ºÇÔ¤·¤Þ¤·¤¿¡£");
        }
    }

    //---- »ØÄê¥Õ¥¡¥¤¥ë¤òºï½ü   
    function deleteImage($filename, $dir) {
        if(file_exists($dir."/".$filename)) {
            unlink($dir."/".$filename);
        }
    }

    // ³ÈÂçΨ¤ò»ØÄꤷ¤Æ²èÁüÊݸ
    function saveResizeImage($file, $to_w = 0, $to_h = 0, $header = false) {
        // ¥Ç¥£¥ì¥¯¥È¥ê¼èÆÀ
        $dir = dirname($file);
        
        // ¸µ²èÁü¥µ¥¤¥º¤ò¼èÆÀ
        list($from_w, $from_h) = getimagesize($file);
        
        if($to_w > 0 or $to_h > 0){
            // Éý¤Î½Ì¾®Î¨
            ($to_w < $from_w) ? $wscale = $to_w / $from_w : $wscale = 1;
            // ¹â¤µ¤Î½Ì¾®Î¨
            ($to_h < $from_h) ? $hscale = $to_h / $from_h : $hscale = 1;
            // ½Ì¾®Î¨¤Ï¾®¤µ¤¤¤Û¤¦¤Ë¤¢¤ï¤»¤ë
            ($wscale < $hscale) ? $scale = $wscale : $scale = $hscale;
        }else{
            $scale = 1;
        }
        
        // °µ½ÌΨ»ØÄê
        $zip_width = $from_w * $scale;
        $zip_height = $from_h * $scale;
        
        // ¥Õ¥¡¥¤¥ë¤Î³ÈÄ¥»Ò¼èÆÀ 
        $arrFileInfo = pathinfo($file);
        $extension = $arrFileInfo["extension"];

        // °ì°Õ¤ÊID¤ò¼èÆÀ¤¹¤ë¡£
        $uniqname = date("mdHi") . "_" . uniqid("");

        // ¥Õ¥¡¥¤¥ë̾¡¢ÊݸÀèÀßÄê
        $filename = $uniqname . "." . $extension;
        $path = $dir . "/" . $filename;

        // ¥Õ¥¡¥¤¥ë¤Î³ÈÄ¥»Ò¤Ë¤è¤Ã¤Æ½èÍý¤òʬ¤±¤ë
        if(is_dir($dir)) {
            switch ($extension) {
                case "jpg":
                case "jpeg":
                    //¸µ²èÁü
                    $src_im = ImageCreateFromJPEG($file);
                    
                    // °µ½ÌÀè²èÁü
                    $dst_im = imagecreatetruecolor($zip_width, $zip_height);    
                    imagecopyresampled($dst_im, $src_im, 0, 0, 0, 0, $zip_width, $zip_height, $from_w, $from_h);
                    
                    // ²èÁü½ÐÎÏ
                    if($header){
                        header("Content-Type: image/jpeg"); 
                        ImageJPEG($dst_im);
                    }else{
                        ImageJPEG($dst_im, $path);
                    }

                    break;
                case "gif":
                    //¸µ²èÁü
                    $src_im = ImageCreateFromGIF($file);
                    
                    // °µ½ÌÀè²èÁü
                    //$dst_im = imagecreatetruecolor($zip_width, $zip_height);  
                    $dst_im = ImageCreate($zip_width, $zip_height); 
                    //imagecopyresampled($dst_im, $src_im, 0, 0, 0,0, $zip_width, $zip_height, $from_w, $from_h);
                    imagecopyresized($dst_im, $src_im, 0, 0, 0, 0, $zip_width, $zip_height, $from_w, $from_h);

                    // ²èÁü½ÐÎÏ
                    if($header){
                        header("Content-Type: image/gif");
                        ImageGIF($dst_im);
                    }else{
                        ImageGIF($dst_im, $path);
                    }
                    break;
                case "png":
                    //¸µ²èÁü
                    $src_im = ImageCreateFromPNG($file);
                    
                    // °µ½ÌÀè²èÁü
                    $dst_im = imagecreatetruecolor($zip_width, $zip_height);    
                    imagecopyresampled($dst_im, $src_im, 0, 0, 0,0, $zip_width, $zip_height, $from_w, $from_h);

                    // ²èÁü½ÐÎÏ
                    if($header){
                        header("Content-Type: image/png");
                        ImagePNG($dst_im);
                    }else{
                        ImagePNG($dst_im, $path);
                    }
                    
                    break;
                default:
                    print("³ÈÄ¥»Ò¤¬ÉÔÀµ¤Ç¤¹¡£");
                    $path = "";
                    break;
            }
            ImageDestroy($src_im);
            ImageDestroy($dst_im);

            if(!$header){
                return $path;
            }else{
                return "";
            }
        }
        
        print("²èÁü¤ÎÊݸ¤Ë¼ºÇÔ¤·¤Þ¤·¤¿¡£");
        return "";
    }
}
?>