PK

<?php
class thumbnail_images {

	// get
	var $PathImgOld;
	var $PathImgNew;
	var $NewWidth;
	var $NewHeight;

	// tmp
	var $mime;

	function imagejpeg_new ($NewImg,$path_img) {
		if ($this->mime == 'image/jpeg' or $this->mime == 'image/pjpeg') imagejpeg($NewImg,$path_img);
		elseif ($this->mime == 'image/gif') imagegif($NewImg,$path_img);
		elseif ($this->mime == 'image/png') imagepng($NewImg,$path_img);
		else return(false);
		return(true);
	}

	function imagecreatefromjpeg_new($path_img) {
		if ($this->mime == 'image/jpeg' or $this->mime == 'image/pjpeg') $OldImg=imagecreatefromjpeg($path_img);
		elseif ($this->mime == 'image/gif') $OldImg=imagecreatefromgif($path_img);
		elseif ($this->mime == 'image/png') $OldImg=imagecreatefrompng($path_img);
		else return(false);
		return($OldImg);
	}

	function create_thumbnail_images() {
		$PathImgOld = $this->PathImgOld;
		$PathImgNew = $this->PathImgNew;
		$NewWidth = $this->NewWidth;
		$NewHeight = $this->NewHeight;

		$Oldsize = @getimagesize($PathImgOld);
		$this->mime = $Oldsize['mime'];
		$OldWidth = $Oldsize[0];
		$OldHeight = $Oldsize[1];

		if ($NewHeight=='' and $NewWidth!='') {
		$NewHeight = ceil(($OldHeight*$NewWidth)/$OldWidth);
		}
		elseif ($NewWidth=='' and $NewHeight!='') {
		$NewWidth = ceil(($OldWidth*$NewHeight)/$OldHeight);
		}
		elseif ($NewHeight=='' and $NewWidth=='') {
		return(false);
		}

		$OldHeight_castr = ceil(($OldWidth*$NewHeight)/$NewWidth);
		$castr_bottom = ($OldHeight-$OldHeight_castr)/2;

		$OldWidth_castr = ceil(($OldHeight*$NewWidth)/$NewHeight);
		$castr_right = ($OldWidth-$OldWidth_castr)/2;

		if ($castr_bottom>0) {
		$OldWidth_castr = $OldWidth;
		$castr_right = 0;
		}
		elseif ($castr_right>0) {
		$OldHeight_castr = $OldHeight;
		$castr_bottom = 0;
		}
		else {
		$OldWidth_castr = $OldWidth;
		$OldHeight_castr = $OldHeight;
		$castr_right = 0;
		$castr_bottom = 0;
		}

		$OldImg=$this->imagecreatefromjpeg_new($PathImgOld);
		if ($OldImg) {
		$NewImg_castr=imagecreatetruecolor($OldWidth_castr,$OldHeight_castr);
		if ($NewImg_castr) {
		imagecopyresampled($NewImg_castr,$OldImg,0,0,$castr_right,$castr_bottom,$OldWidth_castr,$OldHeight_castr,$OldWidth_castr,$OldHeight_castr);
		$NewImg=imagecreatetruecolor($NewWidth,$NewHeight);
		if ($NewImg) {
		imagecopyresampled($NewImg,$NewImg_castr,0,0,0,0,$NewWidth,$NewHeight,$OldWidth_castr,$OldHeight_castr);
		imagedestroy($NewImg_castr);
		imagedestroy($OldImg);
		if (!$this->imagejpeg_new($NewImg,$PathImgNew)) return (false);
		imagedestroy($NewImg);
		}
		}
		}
		else {
		return(false);
		}

		return(true);
	}

}
?>

PK 99