cvs/expose/index.php

<?php
/* vim: set ts=4:
+----------------------------------------------------------------------+
| expose, a simple image gallery written in php4. 
+----------------------------------------------------------------------+
| Copyright 2003 Carl Johan Schedvin
| This program is distributed under the terms of the
| GNU General Public License, Version 2
|
| This program is free software; you can redistribute it and/or modify
| it under the terms of the GNU General Public License, Version 2 as
| published by the Free Software Foundation.
|
| This program is distributed in the hope that it will be useful,
| but WITHOUT ANY WARRANTY; without even the implied warranty of
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
| GNU General Public License for more details.
|
| You should have received a copy of the GNU General Public License,
| Version 2 along with this program; if not, visit GNU's Home Page
| http://www.gnu.org/
+----------------------------------------------------------------------+
$Id$
*/

$global_var['metadata']['author'] = "Carl Johan Schedvin <cjsc02@student.bth.se>";
$global_var['metadata']['keywords'] = "photos,gallery,album,digitalcamera,fuji,finepix";
$global_var['metadata']['description'] = "An photogallery written in PHP4";


$global_var['str_msg']['copyright'] = "all photos &copy; copyright Carl Johan Schedvin. all rights reserved.";

$global_var['external']['magick'] = "/usr/bin/convert";

$global_var['path']['thumb_dir'] = '.thumbs';
$global_var['path']['cache_dir'] = '.cache';

$global_var['image_sz']['thumb'] = array        (
                                                                                'x'             =>      120,
                                                                                'y'             =>      80,
                                                                                'ql'    =>      70,
                                                                                'wm'    =>      ''
                                                                                        );

$global_var['image_sz']['640'] = array  (
                                                                        'x'             =>      640,
                                                                        'y'             =>      480,
                                                                        'ql'    =>      88,
                                                                        'wm'    =>      ''
                                                                                );
$global_var['image_sz']['800'] = array  (
                                                                        'x'             =>      800,
                                                                        'y'             =>      600,
                                                                        'ql'    =>      89,
                                                                        'wm'    =>      ''
                                                                                );
$global_var['image_sz']['1024'] = array (
                                                                        'x'             =>      1024,
                                                                        'y'             =>      768,
                                                                        'ql'    =>      90,
                                                                        'wm'    =>      ''
                                                                                );


if(isset($_SERVER['PHP_SELF'])) {
        $php_self = $_SERVER['PHP_SELF'];
} else {
        $php_self = $HTTP_SERVER_VARS['PHP_SELF'];
}

if (isset($_GET)) {
        $get_vars = $_GET;
} else {
        $get_vars = $HTTP_GET_VARS;
}


/**
 * ! NOT IMPLEMENTED !
 *
 * Extracts the EXIF header of a JPG if available using
 * built-in php function exif_read_data, this information
 * is extracted upon request and not written to disk.
 */
function extract_exif_data()
{
}


function create_thumbnail($src_image)
{
        global $global_var, $pwd;
        if(isset($global_var['external']['magick'])) {
                if(file_exists($pwd.'/'.$src_image)) {
                        $src_image_sz = GetImageSize($pwd.'/'.$src_image);
                        $resize_aspect = round(($global_var['image_sz']['thumb']['y'] / $src_image_sz[1])*100, 2);
                        exec($global_var['external']['magick']
                                .' -geometry '.$resize_aspect.'%'
                                .' -quality '.$global_var['image_sz']['thumb']['ql']
                                .' '.$pwd.'/'.$src_image
                                .' '.$pwd.'/'.$global_var['path']['thumb_dir'].'/'.$src_image
                                );
                }       
        }               
}


function print_thumbnails()
{
        global $global_var, $image_files, $pwd;

        // check if thumbnail directory exists, if not create it.
        if(!file_exists($pwd.'/'.$global_var['path']['thumb_dir']))
                mkdir($pwd.'/'.$global_var['path']['thumb_dir'],0777);

        foreach($image_files as $image) {

                // check if a thumbnail for current image exists, if not create one.                                    
                if(!file_exists($pwd.'/'.$global_var['path']['thumb_dir'].'/'.$image))
                        create_thumbnail($image);

                echo <<<EOT
                <div class="thumbnail">\n
                        <a href="$php_self?dir=$pwd&img=$image">
                                <img src="$pwd/{$global_var[path][thumb_dir]}/$image" alt=""/>
                        </a>
                </div>\n
EOT;
        }
}


function show_image()
{
        global $global_var, $get_vars, $pwd;

        if(file_exists($pwd.'/'.$get_vars['img'])) {
                echo <<<EOT
                        <div id="image">\n
                                <img src="$pwd/{$get_vars[img]}" alt="">
                        </div>\n
EOT;
        }
}


function resize_image()
{
}


/**
 * Retirieves all filenames that are images exclude all
 * other files. It's not recursive so it only examins the
 * pwd and not sub directories if present.
 *
 * @param       str             $path,          pwd
 * @return      @rray   $images,        list of all filenames
 */
function &get_image_filenames($path)
{
        global $global_var;
        $images = array();

        if(is_dir($path)) {             
                $pwd_dd = opendir($path);
                while(($file = readdir($pwd_dd)) !== false) {                   
                        if(is_file($path."/".$file) 
                                && !eregi("^\.|^.*.php|^.*.css|^.*~",$file))
                                        array_push($images, $file);
                }
        }
        return $images;
}


/**
 * Retrieves all directory names present in $path. Using
 * eregi we exclude names we don't want in the list.
 */
function &get_directory_names($path)
{
        global $global_var;
        $dirs = array();

        if(is_dir($path)) {             
                $pwd_dd = opendir($path);
                while(($file = readdir($pwd_dd)) !== false) {                   
                        if(is_dir($path."/".$file)
                                && !eregi("^\.|^\..|^CVS|^". $global_var['path']['thumb_dir']
                                                        ."|^". $global_var['path']['cache_dir'],$file))
                                array_push($dirs, $file);
                }
        }
        return $dirs;
}


if (isset($get_vars['dir']) && is_dir(rawurldecode($get_vars['dir'])))
{
        $pwd = rawurldecode($get_vars['dir']);
} else {
        $pwd = './';
}

$image_files =& get_image_filenames($pwd);
$dir_files =& get_directory_names($pwd);


// print the html header before continuing processing.
html_template_header();


if(sizeof($image_files) <= 0) {
        if(sizeof($dir_files) > 0) {
        } else {
        }
} else {
        if(sizeof($dir_files) > 0) {
        }       
        if(isset($get_vars['img'])) {
                show_image();
        } else {
                print_thumbnails();
        }
}

// print the html footer to make it nice and tidy.
html_template_footer();


/**
 * Prints the html header, contains html document specific
 * definitions and paths. Tags as <title> are set dynamically
 * everytime the page is reloaded. The template is encapsulated
 * in a function for structural reasons.
 */
function html_template_header()
{
        global $global_var;
echo <<<EOF
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" >

<head>

        <meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
        <meta name="author" content="{$global_var[metadata][author]}" />
        <meta name="keywords" content="{$global_var[metadata][keywords]}" />
        <meta name="description" content="{$global_var[metadata][description]}" />
        <meta name="robots" content="all" />
        
        <title></title>
        
        <style type="text/css">
                @import "/~ikea/style.css";
        </style>
        
        <link rel="Shortcut Icon" type="image/x-icon" href="/img/favicon.ico" />        
        
</head>

<body>

<div id="container">\n
EOF;
}


/**
 * Prints the html footer, this contains only closing
 * tags for the html document and the copyright notice.
 */
function html_template_footer()
{
        global $global_var;
echo <<<EOF
        <div id="copyright">\n
                {$global_var[str_msg][copyright]}
        </div>
</div>
</body>
</html>
EOF;
}
?>
1	cam	1.1	<?php
2			/* vim: set ts=4:
3			+----------------------------------------------------------------------+
4			\| expose, a simple image gallery written in php4.
5			+----------------------------------------------------------------------+
6			\| Copyright 2003 Carl Johan Schedvin
7			\| This program is distributed under the terms of the
8			\| GNU General Public License, Version 2
9			\|
10			\| This program is free software; you can redistribute it and/or modify
11			\| it under the terms of the GNU General Public License, Version 2 as
12			\| published by the Free Software Foundation.
13			\|
14			\| This program is distributed in the hope that it will be useful,
15			\| but WITHOUT ANY WARRANTY; without even the implied warranty of
16			\| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17			\| GNU General Public License for more details.
18			\|
19			\| You should have received a copy of the GNU General Public License,
20			\| Version 2 along with this program; if not, visit GNU's Home Page
21			\| http://www.gnu.org/
22			+----------------------------------------------------------------------+
23	cam	1.2	$Id$
24	cam	1.1	*/
25
26			$global_var['metadata']['author'] = "Carl Johan Schedvin <cjsc02@student.bth.se>";
27			$global_var['metadata']['keywords'] = "photos,gallery,album,digitalcamera,fuji,finepix";
28			$global_var['metadata']['description'] = "An photogallery written in PHP4";
29
30
31			$global_var['str_msg']['copyright'] = "all photos © copyright Carl Johan Schedvin. all rights reserved.";
32
33			$global_var['external']['magick'] = "/usr/bin/convert";
34
35			$global_var['path']['thumb_dir'] = '.thumbs';
36			$global_var['path']['cache_dir'] = '.cache';
37
38			$global_var['image_sz']['thumb'] = array (
39			'x' => 120,
40			'y' => 80,
41			'ql' => 70,
42			'wm' => ''
43			);
44
45			$global_var['image_sz']['640'] = array (
46			'x' => 640,
47			'y' => 480,
48			'ql' => 88,
49			'wm' => ''
50			);
51			$global_var['image_sz']['800'] = array (
52			'x' => 800,
53			'y' => 600,
54			'ql' => 89,
55			'wm' => ''
56			);
57			$global_var['image_sz']['1024'] = array (
58			'x' => 1024,
59			'y' => 768,
60			'ql' => 90,
61			'wm' => ''
62			);
63
64
65
66			if(isset($_SERVER['PHP_SELF'])) {
67			$php_self = $_SERVER['PHP_SELF'];
68			} else {
69			$php_self = $HTTP_SERVER_VARS['PHP_SELF'];
70			}
71
72			if (isset($_GET)) {
73			$get_vars = $_GET;
74			} else {
75			$get_vars = $HTTP_GET_VARS;
76			}
77
78
79
80			/**
81			* ! NOT IMPLEMENTED !
82			*
83			* Extracts the EXIF header of a JPG if available using
84			* built-in php function exif_read_data, this information
85			* is extracted upon request and not written to disk.
86			*/
87			function extract_exif_data()
88			{
89			}
90
91
92
93
94			function create_thumbnail($src_image)
95			{
96			global $global_var, $pwd;
97			if(isset($global_var['external']['magick'])) {
98			if(file_exists($pwd.'/'.$src_image)) {
99			$src_image_sz = GetImageSize($pwd.'/'.$src_image);
100			$resize_aspect = round(($global_var['image_sz']['thumb']['y'] / $src_image_sz[1])*100, 2);
101			exec($global_var['external']['magick']
102			.' -geometry '.$resize_aspect.'%'
103			.' -quality '.$global_var['image_sz']['thumb']['ql']
104			.' '.$pwd.'/'.$src_image
105			.' '.$pwd.'/'.$global_var['path']['thumb_dir'].'/'.$src_image
106			);
107			}
108			}
109			}
110
111
112			function print_thumbnails()
113			{
114			global $global_var, $image_files, $pwd;
115
116			// check if thumbnail directory exists, if not create it.
117			if(!file_exists($pwd.'/'.$global_var['path']['thumb_dir']))
118			mkdir($pwd.'/'.$global_var['path']['thumb_dir'],0777);
119
120			foreach($image_files as $image) {
121
122			// check if a thumbnail for current image exists, if not create one.
123			if(!file_exists($pwd.'/'.$global_var['path']['thumb_dir'].'/'.$image))
124			create_thumbnail($image);
125
126			echo <<<EOT
127			<div class="thumbnail">\n
128			<a href="$php_self?dir=$pwd&img=$image">
129			<img src="$pwd/{$global_var[path][thumb_dir]}/$image" alt=""/>
130			</a>
131			</div>\n
132			EOT;
133			}
134			}
135
136
137
138
139			function show_image()
140			{
141			global $global_var, $get_vars, $pwd;
142
143			if(file_exists($pwd.'/'.$get_vars['img'])) {
144			echo <<<EOT
145			<div id="image">\n
146			<img src="$pwd/{$get_vars[img]}" alt="">
147			</div>\n
148			EOT;
149			}
150			}
151
152
153
154
155			function resize_image()
156			{
157			}
158
159
160			/**
161			* Retirieves all filenames that are images exclude all
162			* other files. It's not recursive so it only examins the
163			* pwd and not sub directories if present.
164			*
165			* @param str $path, pwd
166			* @return @rray $images, list of all filenames
167			*/
168			function &get_image_filenames($path)
169			{
170			global $global_var;
171			$images = array();
172
173			if(is_dir($path)) {
174			$pwd_dd = opendir($path);
175			while(($file = readdir($pwd_dd)) !== false) {
176			if(is_file($path."/".$file)
177			&& !eregi("^\.\|^..php\|^..css\|^.*~",$file))
178			array_push($images, $file);
179			}
180			}
181			return $images;
182			}
183
184
185
186			/**
187			* Retrieves all directory names present in $path. Using
188			* eregi we exclude names we don't want in the list.
189			*/
190			function &get_directory_names($path)
191			{
192			global $global_var;
193			$dirs = array();
194
195			if(is_dir($path)) {
196			$pwd_dd = opendir($path);
197			while(($file = readdir($pwd_dd)) !== false) {
198			if(is_dir($path."/".$file)
199	cam	1.2	&& !eregi("^\.\|^\..\|^CVS\|^". $global_var['path']['thumb_dir']
200	cam	1.1	."\|^". $global_var['path']['cache_dir'],$file))
201			array_push($dirs, $file);
202			}
203			}
204			return $dirs;
205			}
206
207
208
209			if (isset($get_vars['dir']) && is_dir(rawurldecode($get_vars['dir'])))
210			{
211			$pwd = rawurldecode($get_vars['dir']);
212			} else {
213			$pwd = './';
214			}
215
216			$image_files =& get_image_filenames($pwd);
217			$dir_files =& get_directory_names($pwd);
218
219
220			// print the html header before continuing processing.
221			html_template_header();
222
223
224			if(sizeof($image_files) <= 0) {
225			if(sizeof($dir_files) > 0) {
226			} else {
227			}
228			} else {
229			if(sizeof($dir_files) > 0) {
230			}
231			if(isset($get_vars['img'])) {
232			show_image();
233			} else {
234			print_thumbnails();
235			}
236			}
237
238			// print the html footer to make it nice and tidy.
239			html_template_footer();
240
241
242
243
244
245
246
247
248
249			/**
250			* Prints the html header, contains html document specific
251			* definitions and paths. Tags as <title> are set dynamically
252			* everytime the page is reloaded. The template is encapsulated
253			* in a function for structural reasons.
254			*/
255			function html_template_header()
256			{
257			global $global_var;
258			echo <<<EOF
259			<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
260			"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
261			<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" >
262
263			<head>
264
265			<meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
266			<meta name="author" content="{$global_var[metadata][author]}" />
267			<meta name="keywords" content="{$global_var[metadata][keywords]}" />
268			<meta name="description" content="{$global_var[metadata][description]}" />
269			<meta name="robots" content="all" />
270
271			<title></title>
272
273			<style type="text/css">
274			@import "/~ikea/style.css";
275			</style>
276
277			<link rel="Shortcut Icon" type="image/x-icon" href="/img/favicon.ico" />
278
279			</head>
280
281			<body>
282
283			<div id="container">\n
284			EOF;
285			}
286
287
288
289
290			/**
291			* Prints the html footer, this contains only closing
292			* tags for the html document and the copyright notice.
293			*/
294			function html_template_footer()
295			{
296			global $global_var;
297			echo <<<EOF
298			<div id="copyright">\n
299			{$global_var[str_msg][copyright]}
300			</div>
301			</div>
302			</body>
303			</html>
304			EOF;
305			}
306			?>