<?php
    class Image {
        var $Name;
        var $Size;
        var $FType;
        var $Width;
        var $Height;
        var $ResizedWidth=600;
        var $ResizedHeight=450;
        var $TmpName;
        var $PicDir="./";
        var $Strech=true;

        function Image($nPicDir,$nPicArr) {
            $this->PicDir=$nPicDir;
            $this->Name=$nPicArr["name"];
            $this->Size=$nPicArr["size"];
            $this->FType=$nPicArr["type"];
            $this->TmpName=$nPicArr["tmp_name"];
            if ($this->FType!="image/gif" && $this->FType!="image/pjpeg" && $this->FType!="image/jpeg")
                $this->FType=null;
        }
        
        function GetInfo() {
            $out='  Name: '.$this->Name.'<br>
                    FileSize: '.$this->Size.' byte<br>
                    FileType: '.$this->FType.'<br>';
            return $out;        
        }

        function Resample($NewName) {
            if ($this->FType=="image/gif")
                $OldImg=imagecreatefromgif($this->TmpName);
            else if ($this->FType=="image/pjpeg" || $this->FType=="image/jpeg")
                $OldImg=imagecreatefromjpeg($this->TmpName);
            if ($OldImg) {
                $this->Width=imagesx($OldImg);
                $this->Height=imagesy($OldImg);
                //Nyujtas/zsugoritas az aranyok megtartasaval
                if ($this->Strech) {
                    $XRatio=(real)($this->ResizedWidth/$this->Width);
                    $YRatio=(real)($this->ResizedHeight/$this->Height);
                    $Ratio=min($XRatio,$YRatio);
                    $NewWidth=$this->Width*$Ratio;
                    $NewHeight=$this->Height*$Ratio;
                    $NewImg=imagecreatetruecolor($NewWidth,$NewHeight);
                    imagecopyresized($NewImg,$OldImg,0,0,0,0,imagesx($NewImg),imagesy($NewImg),$this->Width,$this->Height); 
                }
                //Kivagas
                else {
                    $NewWidth=$this->Width<$this->ResizedWidth ? $this->Width : $this->ResizedWidth;
                    $NewHeight=$this->Height<$this->ResizedHeight ? $this->Height : $this->ResizedHeight;
                    $NewImg=imagecreatetruecolor($NewWidth,$NewHeight);
                    imagecopyresized($NewImg,$OldImg,0,0,0,0,imagesx($NewImg),imagesy($NewImg),imagesx($NewImg),imagesy($NewImg)); 
                }
                //Mentes
                if ($NewImg) {
                    if ($this->FType=="image/gif") {
                        $NewName=$this->PicDir.$NewName.".gif";
                        imagegif($NewImg,$NewName);
                    }    
                    else if ($this->FType=="image/pjpeg" || $this->FType=="image/jpeg") {
                        $NewName=$this->PicDir.$NewName.".jpg";
                        imagejpeg($NewImg,$NewName);
                    }    
                    imagedestroy($NewImg);
                }
                imagedestroy($OldImg);
            }
            return $NewName;
        }


        function Save() {
            $ret=copy($this->TmpName,$this->PicDir.$this->Name);
            return ret;
        }
        
    }
?>