| 1 |
<?php |
1 |
<?php |
| 2 |
|
2 |
|
| 3 |
/** |
3 |
/** |
| 4 |
* Image class. |
4 |
* Image class. |
| 5 |
* |
5 |
* |
| 6 |
* @author Tamlyn Rhodes <tam at zenology dot co dot uk> |
6 |
* @author Tamlyn Rhodes <tam at zenology dot co dot uk> |
| 7 |
* @license http://opensource.org/licenses/gpl-license.php GNU General Public License |
7 |
* @license http://opensource.org/licenses/gpl-license.php GNU General Public License |
| 8 |
* @copyright (c)2003-2005 Tamlyn Rhodes |
8 |
* @copyright (c)2003-2005 Tamlyn Rhodes |
| 9 |
* @version $Id: image.class.php,v 1.22 2006/08/06 13:50:20 thepavian Exp $ |
9 |
* @version $Id: image.class.php,v 1.22 2006/08/06 13:50:20 thepavian Exp $ |
| 10 |
*/ |
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*/ |
| 11 |
|
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|
| 12 |
//include the base class |
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//include the base class |
| 13 |
require_once dirname(__FILE__)."/item.class.php"; |
13 |
require_once dirname(__FILE__)."/item.class.php"; |
| 14 |
|
14 |
|
| 15 |
/** |
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/** |
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* Data-only class used to store image data. |
16 |
* Data-only class used to store image data. |
| 17 |
* @package singapore |
17 |
* @package singapore |
| 18 |
* @author Tamlyn Rhodes <tam at zenology dot co dot uk> |
18 |
* @author Tamlyn Rhodes <tam at zenology dot co dot uk> |
| 19 |
* @copyright (c)2003-2005 Tamlyn Rhodes |
19 |
* @copyright (c)2003-2005 Tamlyn Rhodes |
| 20 |
*/ |
20 |
*/ |
| 21 |
class sgImage extends sgItem |
21 |
class sgImage extends sgItem |
| 22 |
{ |
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{ |
| 23 |
/** |
23 |
/** |
| 24 |
* Width in pixels of the image |
24 |
* Width in pixels of the image |
| 25 |
* @var int |
25 |
* @var int |
| 26 |
*/ |
26 |
*/ |
| 27 |
var $width = 0; |
27 |
var $width = 0; |
| 28 |
|
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|
| 29 |
/** |
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/** |
| 30 |
* Height in pixels of the image |
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* Height in pixels of the image |
| 31 |
* @var int |
31 |
* @var int |
| 32 |
*/ |
32 |
*/ |
| 33 |
var $height = 0; |
33 |
var $height = 0; |
| 34 |
|
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|
| 35 |
/** |
35 |
/** |
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* Image file format flag as returned by GetImageSize() |
36 |
* Image file format flag as returned by GetImageSize() |
| 37 |
* @var int |
37 |
* @var int |
| 38 |
*/ |
38 |
*/ |
| 39 |
var $type; |
39 |
var $type; |
| 40 |
|
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|
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|
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|
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/** |
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/** |
| 43 |
* Configurable field |
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* Configurable field |
| 44 |
*/ |
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*/ |
| 45 |
var $camera = ""; |
45 |
var $camera = ""; |
| 46 |
var $lens = ""; |
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var $lens = ""; |
| 47 |
var $film = ""; |
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var $film = ""; |
| 48 |
var $darkroom = ""; |
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var $darkroom = ""; |
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var $digital = ""; |
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var $digital = ""; |
| 50 |
|
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|
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/** |
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/** |
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* Constructor |
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* Constructor |
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* @param string image id |
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* @param string image id |
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* @param sgGallery reference to the parent gallery |
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* @param sgGallery reference to the parent gallery |
| 55 |
*/ |
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*/ |
| 56 |
function sgImage($id, &$parent) |
56 |
function sgImage($id, &$parent) |
| 57 |
{ |
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{ |
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$this->id = $id; |
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$this->id = $id; |
| 59 |
$this->parent =& $parent; |
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$this->parent =& $parent; |
| 60 |
$this->config =& sgConfig::getInstance(); |
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$this->config =& sgConfig::getInstance(); |
| 61 |
$this->translator =& Translator::getInstance(); |
61 |
$this->translator =& Translator::getInstance(); |
| 62 |
} |
62 |
} |
| 63 |
|
63 |
|
| 64 |
/** |
64 |
/** |
| 65 |
* Over-rides the method in the item class |
65 |
* Over-rides the method in the item class |
| 66 |
* @return true returns true |
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* @return true returns true |
| 67 |
*/ |
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*/ |
| 68 |
function isImage() { return true; } |
68 |
function isImage() { return true; } |
| 69 |
|
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|
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|
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|
| 71 |
/** |
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/** |
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* @return bool true if image height is greater than width |
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* @return bool true if image height is greater than width |
| 73 |
*/ |
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*/ |
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function isPortrait() |
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function isPortrait() |
| 75 |
{ |
75 |
{ |
| 76 |
return $this->width()/$this->height() > 1; |
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return $this->width()/$this->height() > 1; |
| 77 |
} |
77 |
} |
| 78 |
|
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|
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/** |
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/** |
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* @return bool true if image height is greater than width |
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* @return bool true if image height is greater than width |
| 81 |
*/ |
81 |
*/ |
| 82 |
function isLandscape() |
82 |
function isLandscape() |
| 83 |
{ |
83 |
{ |
| 84 |
return $this->width()/$this->height() < 1; |
84 |
return $this->width()/$this->height() < 1; |
| 85 |
} |
85 |
} |
| 86 |
|
86 |
|
| 87 |
function hasPrev() |
87 |
function hasPrev() |
| 88 |
{ |
88 |
{ |
| 89 |
return (bool) $this->index(); |
89 |
return (bool) $this->index(); |
| 90 |
} |
90 |
} |
| 91 |
|
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|
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function hasNext() |
92 |
function hasNext() |
| 93 |
{ |
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{ |
| 94 |
$index = $this->index(); |
94 |
$index = $this->index(); |
| 95 |
return $index !== false && $index < $this->parent->imageCount()-1; |
95 |
return $index !== false && $index < $this->parent->imageCount()-1; |
| 96 |
} |
96 |
} |
| 97 |
|
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|
| 98 |
function &firstImage() |
98 |
function &firstImage() |
| 99 |
{ |
99 |
{ |
| 100 |
return $this->parent->images[0]; |
100 |
return $this->parent->images[0]; |
| 101 |
} |
101 |
} |
| 102 |
|
102 |
|
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function &prevImage() |
103 |
function &prevImage() |
| 104 |
{ |
104 |
{ |
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return $this->parent->images[$this->index()-1]; |
105 |
return $this->parent->images[$this->index()-1]; |
| 106 |
} |
106 |
} |
| 107 |
|
107 |
|
| 108 |
function &nextImage() |
108 |
function &nextImage() |
| 109 |
{ |
109 |
{ |
| 110 |
return $this->parent->images[$this->index()+1]; |
110 |
return $this->parent->images[$this->index()+1]; |
| 111 |
} |
111 |
} |
| 112 |
|
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|
| 113 |
function &lastImage() |
113 |
function &lastImage() |
| 114 |
{ |
114 |
{ |
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return $this->parent->images[count($this->parent->images)-1]; |
115 |
return $this->parent->images[count($this->parent->images)-1]; |
| 116 |
} |
116 |
} |
| 117 |
|
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|
| 118 |
function firstLink($action = null) |
118 |
function firstLink($action = null) |
| 119 |
{ |
119 |
{ |
| 120 |
if(!$this->hasPrev()) |
120 |
if(!$this->hasPrev()) |
| 121 |
return ""; |
121 |
return ""; |
| 122 |
|
122 |
|
| 123 |
$tmp =& $this->firstImage(); |
123 |
$tmp =& $this->firstImage(); |
| 124 |
return '<a href="'.$tmp->URL(null, $action).'">'.$this->firstText().'</a>'; |
124 |
return '<a href="'.$tmp->URL(null, $action).'">'.$this->firstText().'</a>'; |
| 125 |
} |
125 |
} |
| 126 |
|
126 |
|
| 127 |
function prevLink($action = null) |
127 |
function prevLink($action = null) |
| 128 |
{ |
128 |
{ |
| 129 |
if(!$this->hasPrev()) |
129 |
if(!$this->hasPrev()) |
| 130 |
return ""; |
130 |
return ""; |
| 131 |
|
131 |
|
| 132 |
return '<a href="'.$this->prevURL($action).'">'.$this->prevText().'</a>'; |
132 |
return '<a href="'.$this->prevURL($action).'">'.$this->prevText().'</a>'; |
| 133 |
} |
133 |
} |
| 134 |
|
134 |
|
| 135 |
function nextLink($action = null) |
135 |
function nextLink($action = null) |
| 136 |
{ |
136 |
{ |
| 137 |
if(!$this->hasNext()) |
137 |
if(!$this->hasNext()) |
| 138 |
return ""; |
138 |
return ""; |
| 139 |
|
139 |
|
| 140 |
return '<a href="'.$this->nextURL($action).'">'.$this->nextText().'</a>'; |
140 |
return '<a href="'.$this->nextURL($action).'">'.$this->nextText().'</a>'; |
| 141 |
} |
141 |
} |
| 142 |
|
142 |
|
| 143 |
function lastLink($action = null) |
143 |
function lastLink($action = null) |
| 144 |
{ |
144 |
{ |
| 145 |
if(!$this->hasNext()) |
145 |
if(!$this->hasNext()) |
| 146 |
return ""; |
146 |
return ""; |
| 147 |
|
147 |
|
| 148 |
$tmp =& $this->lastImage(); |
148 |
$tmp =& $this->lastImage(); |
| 149 |
return '<a href="'.$tmp->URL(null, $action).'">'.$this->lastText().'</a>'; |
149 |
return '<a href="'.$tmp->URL(null, $action).'">'.$this->lastText().'</a>'; |
| 150 |
} |
150 |
} |
| 151 |
|
151 |
|
| 152 |
function prevURL($action = null) |
152 |
function prevURL($action = null) |
| 153 |
{ |
153 |
{ |
| 154 |
$tmp =& $this->prevImage(); |
154 |
$tmp =& $this->prevImage(); |
| 155 |
return $tmp->URL(null, $action); |
155 |
return $tmp->URL(null, $action); |
| 156 |
} |
156 |
} |
| 157 |
|
157 |
|
| 158 |
function nextURL($action = null) |
158 |
function nextURL($action = null) |
| 159 |
{ |
159 |
{ |
| 160 |
$tmp =& $this->nextImage(); |
160 |
$tmp =& $this->nextImage(); |
| 161 |
return $tmp->URL(null, $action); |
161 |
return $tmp->URL(null, $action); |
| 162 |
} |
162 |
} |
| 163 |
|
163 |
|
| 164 |
function firstText() { return $this->translator->_g("image|First"); } |
164 |
function firstText() { return $this->translator->_g("image|First"); } |
| 165 |
function prevText() { return $this->translator->_g("image|Previous"); } |
165 |
function prevText() { return $this->translator->_g("image|Previous"); } |
| 166 |
function nextText() { return $this->translator->_g("image|Next"); } |
166 |
function nextText() { return $this->translator->_g("image|Next"); } |
| 167 |
function lastText() { return $this->translator->_g("image|Last"); } |
167 |
function lastText() { return $this->translator->_g("image|Last"); } |
| 168 |
function parentText() { return $this->translator->_g("image|Thumbnails"); } |
168 |
function parentText() { return $this->translator->_g("image|Thumbnails"); } |
| 169 |
|
169 |
|
| 170 |
function imageURL() |
170 |
function imageURL() |
| 171 |
{ |
171 |
{ |
| 172 |
if($this->config->full_image_resize) { |
172 |
if($this->config->full_image_resize) { |
| 173 |
$img = $this->thumbnail("image"); |
173 |
$img = $this->thumbnail("image"); |
| 174 |
return $img->URL(); |
174 |
return $img->URL(); |
| 175 |
} else |
175 |
} else |
| 176 |
return $this->realURL(); |
176 |
return $this->realURL(); |
| 177 |
} |
177 |
} |
| 178 |
|
178 |
|
| 179 |
function realURL() |
179 |
function realURL() |
| 180 |
{ |
180 |
{ |
| 181 |
if($this->isRemote()) |
181 |
if($this->isRemote()) |
| 182 |
return $this->id; |
182 |
return $this->id; |
| 183 |
else |
183 |
else |
| 184 |
return $this->config->base_url.$this->config->pathto_galleries.$this->parent->idEncoded()."/".$this->idEncoded(); |
184 |
return $this->config->base_url.$this->config->pathto_galleries.$this->parent->idEncoded()."/".$this->idEncoded(); |
| 185 |
} |
185 |
} |
| 186 |
|
186 |
|
| 187 |
function imageHTML($class = "sgImage") |
187 |
function imageHTML($class = "sgImage") |
| 188 |
{ |
188 |
{ |
| 189 |
$ret = "<img src=\"".$this->imageURL().'" '; |
189 |
$ret = "<img src=\"".$this->imageURL().'" '; |
| 190 |
$ret .= 'class="'.$class.'" '; |
190 |
$ret .= 'class="'.$class.'" '; |
| 191 |
$ret .= 'width="'.$this->width().'" height="'.$this->height().'" '; |
191 |
$ret .= 'width="'.$this->width().'" height="'.$this->height().'" '; |
| 192 |
if($this->config->imagemap_navigation) $ret .= 'usemap="#sgNavMap" border="0" '; |
192 |
if($this->config->imagemap_navigation) $ret .= 'usemap="#sgNavMap" border="0" '; |
| 193 |
$ret .= 'alt="'.$this->name().$this->byArtistText().'" />'; |
193 |
$ret .= 'alt="'.$this->name().$this->byArtistText().'" />'; |
| 194 |
|
194 |
|
| 195 |
return $ret; |
195 |
return $ret; |
| 196 |
} |
196 |
} |
| 197 |
|
197 |
|
| 198 |
function thumbnailURL($type = "album") |
198 |
function thumbnailURL($type = "album") |
| 199 |
{ |
199 |
{ |
| 200 |
$thumb = $this->thumbnail($type); |
200 |
$thumb = $this->thumbnail($type); |
| 201 |
return $thumb->URL(); |
201 |
return $thumb->URL(); |
| 202 |
} |
202 |
} |
| 203 |
|
203 |
|
| 204 |
function thumbnailHTML($class = "sgThumbnailAlbum", $type = "album") |
204 |
function thumbnailHTML($class = "sgThumbnailAlbum", $type = "album") |
| 205 |
{ |
205 |
{ |
| 206 |
$thumb = $this->thumbnail($type); |
206 |
$thumb = $this->thumbnail($type); |
| 207 |
$ret = "<img src=\"".$thumb->URL().'" '; |
207 |
$ret = "<img src=\"".$thumb->URL().'" '; |
| 208 |
$ret .= 'class="'.$class.'" '; |
208 |
$ret .= 'class="'.$class.'" '; |
| 209 |
$ret .= 'width="'.$thumb->width().'" height="'.$thumb->height().'" '; |
209 |
$ret .= 'width="'.$thumb->width().'" height="'.$thumb->height().'" '; |
| 210 |
$ret .= 'alt="'.$this->name().$this->byArtistText().'" />'; |
210 |
$ret .= 'alt="'.$this->name().$this->byArtistText().'" />'; |
| 211 |
return $ret; |
211 |
return $ret; |
| 212 |
} |
212 |
} |
| 213 |
|
213 |
|
| 214 |
function thumbnailLink($class = "sgThumbnailAlbum", $type = "album") |
214 |
function thumbnailLink($class = "sgThumbnailAlbum", $type = "album") |
| 215 |
{ |
215 |
{ |
| 216 |
return '<a href="'.$this->URL().'">'.$this->thumbnailHTML($class, $type).'</a>'; |
216 |
return '<a href="'.$this->URL().'">'.$this->thumbnailHTML($class, $type).'</a>'; |
| 217 |
} |
217 |
} |
| 218 |
|
218 |
|
| 219 |
function thumbnailPopupLink($class = "sgThumbnailAlbum", $type = "album") |
219 |
function thumbnailPopupLink($class = "sgThumbnailAlbum", $type = "album") |
| 220 |
{ |
220 |
{ |
| 221 |
$ret = '<a href="'.$this->URL().'" onclick="'; |
221 |
$ret = '<a href="'.$this->URL().'" onclick="'; |
| 222 |
$ret .= "window.open('".$this->imageURL()."','','toolbar=0,resizable=1,"; |
222 |
$ret .= "window.open('".$this->imageURL()."','','toolbar=0,resizable=1,"; |
| 223 |
$ret .= "width=".($this->width()+20).","; |
223 |
$ret .= "width=".($this->width()+20).","; |
| 224 |
$ret .= "height=".($this->height()+20)."');"; |
224 |
$ret .= "height=".($this->height()+20)."');"; |
| 225 |
$ret .= "return false;\">".$this->thumbnailHTML($class, $type)."</a>"; |
225 |
$ret .= "return false;\">".$this->thumbnailHTML($class, $type)."</a>"; |
| 226 |
return $ret; |
226 |
return $ret; |
| 227 |
} |
227 |
} |
| 228 |
|
228 |
|
| 229 |
function nameForce() |
229 |
function nameForce() |
| 230 |
{ |
230 |
{ |
| 231 |
if($this->name) |
231 |
if($this->name) |
| 232 |
return $this->name; |
232 |
return $this->name; |
| 233 |
elseif($this->isRemote()) |
233 |
elseif($this->isRemote()) |
| 234 |
return substr($this->id, strrpos($this->id,'/') + 1, strrpos($this->id,'.') - strrpos($this->id,'/') - 1); |
234 |
return substr($this->id, strrpos($this->id,'/') + 1, strrpos($this->id,'.') - strrpos($this->id,'/') - 1); |
| 235 |
else |
235 |
else |
| 236 |
return substr($this->id, 0, strrpos($this->id,'.')); |
236 |
return substr($this->id, 0, strrpos($this->id,'.')); |
| 237 |
} |
237 |
} |
| 238 |
|
238 |
|
| 239 |
/** |
239 |
/** |
| 240 |
* checks if image is remote (filename starts with 'http://') |
240 |
* checks if image is remote (filename starts with 'http://') |
| 241 |
*/ |
241 |
*/ |
| 242 |
function isRemote($image = null) |
242 |
function isRemote($image = null) |
| 243 |
{ |
243 |
{ |
| 244 |
if($image == null) $image = $this->id; |
244 |
if($image == null) $image = $this->id; |
| 245 |
return substr($image, 0, 7) == "http://"; |
245 |
return substr($image, 0, 7) == "http://"; |
| 246 |
} |
246 |
} |
| 247 |
|
247 |
|
| 248 |
/** |
248 |
/** |
| 249 |
* @return string the absolute, canonical system path to the image |
249 |
* @return string the absolute, canonical system path to the image |
| 250 |
*/ |
250 |
*/ |
| 251 |
function realPath() |
251 |
function realPath() |
| 252 |
{ |
252 |
{ |
| 253 |
if($this->isRemote()) |
253 |
if($this->isRemote()) |
| 254 |
return $this->id; |
254 |
return $this->id; |
| 255 |
else |
255 |
else |
| 256 |
return realpath($this->config->base_path.$this->config->pathto_galleries.$this->parent->id."/".$this->id); |
256 |
return realpath($this->config->base_path.$this->config->pathto_galleries.$this->parent->id."/".$this->id); |
| 257 |
} |
257 |
} |
| 258 |
|
258 |
|
| 259 |
/** |
259 |
/** |
| 260 |
* @return string the rawurlencoded version of the image id |
260 |
* @return string the rawurlencoded version of the image id |
| 261 |
*/ |
261 |
*/ |
| 262 |
function idEncoded() |
262 |
function idEncoded() |
| 263 |
{ |
263 |
{ |
| 264 |
return rawurlencode($this->id); |
264 |
return rawurlencode($this->id); |
| 265 |
} |
265 |
} |
| 266 |
|
266 |
|
| 267 |
function width() |
267 |
function width() |
| 268 |
{ |
268 |
{ |
| 269 |
if($this->config->full_image_resize) { |
269 |
if($this->config->full_image_resize) { |
| 270 |
$img = $this->thumbnail("image"); |
270 |
$img = $this->thumbnail("image"); |
| 271 |
return $img->width(); |
271 |
return $img->width(); |
| 272 |
} else |
272 |
} else |
| 273 |
return $this->realWidth(); |
273 |
return $this->realWidth(); |
| 274 |
} |
274 |
} |
| 275 |
|
275 |
|
| 276 |
function height() |
276 |
function height() |
| 277 |
{ |
277 |
{ |
| 278 |
if($this->config->full_image_resize) { |
278 |
if($this->config->full_image_resize) { |
| 279 |
$img = $this->thumbnail("image"); |
279 |
$img = $this->thumbnail("image"); |
| 280 |
return $img->height(); |
280 |
return $img->height(); |
| 281 |
} else |
281 |
} else |
| 282 |
return $this->realHeight(); |
282 |
return $this->realHeight(); |
| 283 |
} |
283 |
} |
| 284 |
|
284 |
|
| 285 |
/** |
285 |
/** |
| 286 |
* finds position of current image in parent array |
286 |
* finds position of current image in parent array |
| 287 |
*/ |
287 |
*/ |
| 288 |
function index() |
288 |
function index() |
| 289 |
{ |
289 |
{ |
| 290 |
foreach($this->parent->images as $key => $img) |
290 |
foreach($this->parent->images as $key => $img) |
| 291 |
if($this->id == $img->id) |
291 |
if($this->id == $img->id) |
| 292 |
return $key; |
292 |
return $key; |
| 293 |
|
293 |
|
| 294 |
return false; |
294 |
return false; |
| 295 |
} |
295 |
} |
| 296 |
|
296 |
|
| 297 |
function realWidth() |
297 |
function realWidth() |
| 298 |
{ |
298 |
{ |
| 299 |
//try to load image dimensions if not already loaded |
299 |
//try to load image dimensions if not already loaded |
| 300 |
if($this->width == 0) { |
300 |
if($this->width == 0) { |
| 301 |
$size = @GetImageSize($this->realPath()); |
301 |
$size = @GetImageSize($this->realPath()); |
| 302 |
if($size) |
302 |
if($size) |
| 303 |
list($this->width, $this->height, $this->type) = $size; |
303 |
list($this->width, $this->height, $this->type) = $size; |
| 304 |
else |
304 |
else |
| 305 |
return $this->config->thumb_width_image; |
305 |
return $this->config->thumb_width_image; |
| 306 |
} |
306 |
} |
| 307 |
return $this->width; |
307 |
return $this->width; |
| 308 |
} |
308 |
} |
| 309 |
|
309 |
|
| 310 |
function realHeight() |
310 |
function realHeight() |
| 311 |
{ |
311 |
{ |
| 312 |
//try to load image dimensions if not already loaded |
312 |
//try to load image dimensions if not already loaded |
| 313 |
if($this->height == 0) { |
313 |
if($this->height == 0) { |
| 314 |
$size = @GetImageSize($this->realPath()); |
314 |
$size = @GetImageSize($this->realPath()); |
| 315 |
if($size) |
315 |
if($size) |
| 316 |
list($this->width, $this->height, $this->type) = $size; |
316 |
list($this->width, $this->height, $this->type) = $size; |
| 317 |
else |
317 |
else |
| 318 |
return $this->config->thumb_height_image; |
318 |
return $this->config->thumb_height_image; |
| 319 |
} |
319 |
} |
| 320 |
return $this->height; |
320 |
return $this->height; |
| 321 |
} |
321 |
} |
| 322 |
|
322 |
|
| 323 |
/** Accessor methods */ |
323 |
/** Accessor methods */ |
| 324 |
function type() { return $this->type; } |
324 |
function type() { return $this->type; } |
| 325 |
|
325 |
|
| 326 |
|
326 |
|
| 327 |
/* Private methods */ |
327 |
/* Private methods */ |
| 328 |
|
328 |
|
| 329 |
function &thumbnail($type) |
329 |
function &thumbnail($type) |
| 330 |
{ |
330 |
{ |
| 331 |
//only create thumbnail if it doesn't already exist |
331 |
//only create thumbnail if it doesn't already exist |
| 332 |
if(!isset($this->thumbnails[$type])) |
332 |
if(!isset($this->thumbnails[$type])) |
| 333 |
$this->thumbnails[$type] =& new sgThumbnail($this, $type); |
333 |
$this->thumbnails[$type] =& new sgThumbnail($this, $type); |
| 334 |
|
334 |
|
| 335 |
return $this->thumbnails[$type]; |
335 |
return $this->thumbnails[$type]; |
| 336 |
} |
336 |
} |
| 337 |
} |
337 |
} |
| 338 |
|
338 |
|
| 339 |
?> |
339 |
?> |