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<?php
/*************************
Coppermine Photo Gallery
************************
Copyright (c) 2003-2008 Dev Team
v1.1 originally written by Gregory DEMAR
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 3
as published by the Free Software Foundation.
********************************************
Coppermine version: 1.4.18
$HeadURL: https://coppermine.svn.sourceforge.net/svnroot/coppermine/trunk/cpg1.4.x/include/imageObjectGD.class.php $
$Revision: 4380 $
$Author: gaugau $
$Date: 2008-04-12 12:00:19 +0200 (Sa, 12 Apr 2008) $
**********************************************/
class imageObject{
// image resource
var $imgRes;
// px
var $height=0;
var $width=0;
// for img height/width tags
var $string;
// output report or error message
var $message;
// file + dir
var $directory;
var $filename;
// output quality, 0 - 100
var $quality;
// truecolor available, boolean
var $truecolor;
//constructor
function imageObject($directory,$filename,$previous=null)
{
$this->directory = $directory;
$this->filename = $filename;
$this->previous = $previous;
$this->imgRes = $previous->imgRes;
if (file_exists($directory.$filename)){
$this->filesize = round(filesize($directory.$filename)/1000);
if($this->filesize>0){
$size = @GetImageSize($directory.$filename);
if ($size && !$this->imgRes) {
$this->imgRes = $this->getimgRes($directory.$filename,$size[2]);
}
if (function_exists("imagecreatetruecolor")){
$this->truecolor = true;
}
$this->width = $size[0];
$this->height = $size[1];
$this->string = $size[3];
}
}// if
}// constructor
// private methods
function getimgRes($name,&$type)
{
switch ($type){
case 1:
$im = imagecreatefromgif($name);
break;
case 2:
$im = imagecreatefromjpeg($name);
break;
case 3:
$im = imagecreatefrompng($name);
break;
}
return $im;
}
function createUnique(&$imgnew)
{
srand((double)microtime()*100000);
$unique_str = "temp_".md5(rand(0,999999)).".jpg";
@imagejpeg($imgnew,$this->directory.$unique_str,$this->quality);
@imagedestroy($this->imgRes);
//Don't clutter with old images
@unlink($this->directory.$this->filename);
//Create a new ImageObject
return new imageObject($this->directory,$unique_str,$imgnew);
}
function createImage($new_w,$new_h)
{
if (function_exists("imagecreatetruecolor")){
$retval = @imagecreatetruecolor($new_w,$new_h);
}
if (!$retval) $retval = imagecreate($new_w,$new_h);
return $retval;
}
function cropImage(&$clipval)
{
$cliparray = split(",",$clipval);
$clip_top = $cliparray[0];
$clip_right = $cliparray[1];
$clip_bottom = $cliparray[2];
$clip_left = $cliparray[3];
$new_w = $clip_right - $clip_left;
$new_h = $clip_bottom - $clip_top;
$dst_img = $this->createImage($new_w,$new_h);
$result = @imagecopyresampled($dst_img, $this->imgRes, 0,0,$clip_left, $clip_top,$new_w, $new_h, $new_w, $new_h);
if (!$result) $result = @imagecopyresized($dst_img, $this->imgRes, 0,0,$clip_left, $clip_top,$new_w, $new_h, $new_w, $new_h);
return $this->createUnique($dst_img);
}
function rotateImage($angle){
if ($angle == 180){
$dst_img = @imagerotate($this->imgRes, $angle, 0);
}else{
$width = imagesx($this->imgRes);
$height = imagesy($this->imgRes);
if ($width > $height){
$size = $width;
}else{
$size = $height;
}
$dst_img = $this->createImage($size, $size);
imagecopy($dst_img, $this->imgRes, 0, 0, 0, 0, $width, $height);
$dst_img = @imagerotate($dst_img, $angle, 0);
$this->imgRes = $dst_img;
$dst_img = $this->createImage($height, $width);
if ((($angle == 90) && ($width > $height)) || (($angle == 270) && ($width < $height))){
imagecopy($dst_img, $this->imgRes, 0, 0, 0, 0, $size, $size);
}
if ((($angle == 270) && ($width > $height)) || (($angle == 90) && ($width < $height))){
imagecopy($dst_img, $this->imgRes, 0, 0, $size - $height, $size - $width, $size, $size);
}
}
return $this->createUnique($dst_img);
}
function resizeImage($new_w=0,$new_h=0){
$dst_img = $this->createImage($new_w,$new_h);
$result = @imagecopyresampled($dst_img, $this->imgRes, 0, 0, 0, 0, $new_w, $new_h, $this->width,$this->height);
if (!$result) $result = @imagecopyresized($dst_img, $this->imgRes, 0, 0, 0, 0, $new_w, $new_h, $this->width,$this->height);
return $this->createUnique($dst_img);
}
function saveImage(){
}
}
?>
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