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) {
				// die(ceil($castr_bottom).'ssssssssssssssssssssssssssssssss');
				imagecopyresampled($NewImg_castr, $OldImg, 0, 0, $castr_right, ceil($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