srcimg=$img; $this->resize_width=$wid; $this->resize_height=$hei; $this->cut=$c; $this->type=strtolower(substr(strrchr($this->srcimg,"."),1)); $this->initi_img(); $this -> dst_img($dstpath); $this->width=imagesx($this->im); $this->height=imagesy($this->im); $this->newimg(); ImageDestroy ($this->im); } function newimg() { $resize_ratio=($this->resize_width)/($this->resize_height); $ratio=($this->width)/($this->height); if(($this->cut)=="1") { if($ratio>=$resize_ratio) { $newimg=imagecreatetruecolor($this->resize_width,$this->resize_height); imagecopyresampled($newimg, $this->im, 0, 0, 0, 0, $this->resize_width,$this->resize_height, (($this->height)*$resize_ratio), $this->height); ImageJpeg ($newimg,$this->dstimg); } if($ratio<$resize_ratio) { $newimg=imagecreatetruecolor($this->resize_width,$this->resize_height); imagecopyresampled($newimg, $this->im, 0, 0, 0, 0, $this->resize_width, $this->resize_height, $this->width, (($this->width)/$resize_ratio)); ImageJpeg ($newimg,$this->dstimg); } } else { if($ratio>=$resize_ratio) { $newimg=imagecreatetruecolor($this->resize_width,($this->resize_width)/$ratio); imagecopyresampled($newimg, $this->im, 0, 0, 0, 0, $this->resize_width, ($this->resize_width)/$ratio, $this->width, $this->height); ImageJpeg ($newimg,$this->dstimg); } if($ratio<$resize_ratio) { $newimg=imagecreatetruecolor(($this->resize_height)*$ratio,$this->resize_height); imagecopyresampled($newimg, $this->im, 0, 0, 0, 0, ($this->resize_height)*$ratio, $this->resize_height, $this->width, $this->height); ImageJpeg ($newimg,$this->dstimg); } } } function initi_img() { if($this->type=="jpg") { $this->im=imagecreatefromjpeg($this->srcimg); } if($this->type=="gif") { $this->im=imagecreatefromgif($this->srcimg); } if($this->type=="png") { $this->im=imagecreatefrompng($this->srcimg); } } function dst_img($dstpath) { $full_length =strlen($this->srcimg); $type_length =strlen($this->type); $name_length =$full_length-$type_length; $name=substr($this->srcimg,0,$name_length-1); $this->dstimg=$dstpath; } } ?>