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<?php |
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<?php |
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|
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|
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/** |
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/** |
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* Image class. |
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* Image class. |
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* |
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* |
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* @author Tamlyn Rhodes <tam at zenology dot co dot uk> |
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* @author Tamlyn Rhodes <tam at zenology dot co dot uk> |
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* @license http://opensource.org/licenses/gpl-license.php GNU General Public License |
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* @license http://opensource.org/licenses/gpl-license.php GNU General Public License |
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* @copyright (c)2003-2005 Tamlyn Rhodes |
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* @copyright (c)2003-2005 Tamlyn Rhodes |
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* @version $Id: image.class.php,v 1.22 2006/08/06 13:50:20 thepavian Exp $ |
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* @version $Id: image.class.php,v 1.22 2006/08/06 13:50:20 thepavian Exp $ |
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*/ |
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*/ |
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|
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|
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//include the base class |
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//include the base class |
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require_once dirname(__FILE__)."/item.class.php"; |
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require_once dirname(__FILE__)."/item.class.php"; |
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|
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|
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/** |
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/** |
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* Data-only class used to store image data. |
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* Data-only class used to store image data. |
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* @package singapore |
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* @package singapore |
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* @author Tamlyn Rhodes <tam at zenology dot co dot uk> |
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* @author Tamlyn Rhodes <tam at zenology dot co dot uk> |
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* @copyright (c)2003-2005 Tamlyn Rhodes |
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* @copyright (c)2003-2005 Tamlyn Rhodes |
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*/ |
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*/ |
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class sgImage extends sgItem |
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class sgImage extends sgItem |
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{ |
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{ |
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/** |
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/** |
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* Width in pixels of the image |
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* Width in pixels of the image |
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* @var int |
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* @var int |
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*/ |
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*/ |
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var $width = 0; |
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var $width = 0; |
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|
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|
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/** |
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/** |
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* Height in pixels of the image |
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* Height in pixels of the image |
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* @var int |
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* @var int |
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*/ |
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*/ |
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var $height = 0; |
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var $height = 0; |
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|
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|
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/** |
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/** |
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* Image file format flag as returned by GetImageSize() |
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* Image file format flag as returned by GetImageSize() |
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* @var int |
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* @var int |
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*/ |
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*/ |
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var $type; |
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var $type; |
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|
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|
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|
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|
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/** |
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/** |
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* Configurable field |
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* Configurable field |
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*/ |
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*/ |
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var $camera = ""; |
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var $camera = ""; |
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var $lens = ""; |
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var $lens = ""; |
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var $film = ""; |
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var $film = ""; |
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var $darkroom = ""; |
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var $darkroom = ""; |
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var $digital = ""; |
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var $digital = ""; |
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|
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|
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/** |
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/** |
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* Constructor |
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* Constructor |
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* @param string image id |
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* @param string image id |
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* @param sgGallery reference to the parent gallery |
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* @param sgGallery reference to the parent gallery |
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*/ |
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*/ |
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function sgImage($id, &$parent) |
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function sgImage($id, &$parent) |
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{ |
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{ |
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$this->id = $id; |
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$this->id = $id; |
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$this->parent =& $parent; |
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$this->parent =& $parent; |
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$this->config =& sgConfig::getInstance(); |
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$this->config =& sgConfig::getInstance(); |
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$this->translator =& Translator::getInstance(); |
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$this->translator =& Translator::getInstance(); |
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} |
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} |
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|
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|
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/** |
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/** |
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* Over-rides the method in the item class |
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* Over-rides the method in the item class |
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* @return true returns true |
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* @return true returns true |
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*/ |
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*/ |
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function isImage() { return true; } |
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function isImage() { return true; } |
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|
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|
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|
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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 |
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*/ |
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*/ |
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function isPortrait() |
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function isPortrait() |
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{ |
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{ |
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return $this->width()/$this->height() > 1; |
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return $this->width()/$this->height() > 1; |
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} |
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} |
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|
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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 |
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*/ |
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*/ |
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function isLandscape() |
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function isLandscape() |
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{ |
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{ |
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return $this->width()/$this->height() < 1; |
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return $this->width()/$this->height() < 1; |
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} |
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} |
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|
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|
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function hasPrev() |
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function hasPrev() |
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{ |
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{ |
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return (bool) $this->index(); |
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return (bool) $this->index(); |
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} |
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} |
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|
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|
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function hasNext() |
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function hasNext() |
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{ |
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{ |
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$index = $this->index(); |
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$index = $this->index(); |
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return $index !== false && $index < $this->parent->imageCount()-1; |
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return $index !== false && $index < $this->parent->imageCount()-1; |
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} |
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} |
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|
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|
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function &firstImage() |
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function &firstImage() |
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{ |
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{ |
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return $this->parent->images[0]; |
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return $this->parent->images[0]; |
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} |
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} |
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|
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|
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function &prevImage() |
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function &prevImage() |
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{ |
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{ |
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return $this->parent->images[$this->index()-1]; |
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return $this->parent->images[$this->index()-1]; |
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} |
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} |
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|
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|
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function &nextImage() |
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function &nextImage() |
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{ |
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{ |
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return $this->parent->images[$this->index()+1]; |
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return $this->parent->images[$this->index()+1]; |
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} |
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} |
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|
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|
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function &lastImage() |
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function &lastImage() |
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{ |
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{ |
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return $this->parent->images[count($this->parent->images)-1]; |
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return $this->parent->images[count($this->parent->images)-1]; |
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} |
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} |
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|
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|
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function firstLink($action = null) |
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function firstLink($action = null) |
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{ |
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{ |
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if(!$this->hasPrev()) |
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if(!$this->hasPrev()) |
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return ""; |
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return ""; |
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|
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|
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$tmp =& $this->firstImage(); |
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$tmp =& $this->firstImage(); |
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return '<a href="'.$tmp->URL(null, $action).'">'.$this->firstText().'</a>'; |
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return '<a href="'.$tmp->URL(null, $action).'">'.$this->firstText().'</a>'; |
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} |
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} |
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|
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|
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function prevLink($action = null) |
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function prevLink($action = null) |
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{ |
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{ |
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if(!$this->hasPrev()) |
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if(!$this->hasPrev()) |
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return ""; |
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return ""; |
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|
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|
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return '<a href="'.$this->prevURL($action).'">'.$this->prevText().'</a>'; |
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return '<a href="'.$this->prevURL($action).'">'.$this->prevText().'</a>'; |
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} |
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} |
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|
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|
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function nextLink($action = null) |
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function nextLink($action = null) |
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{ |
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{ |
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if(!$this->hasNext()) |
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if(!$this->hasNext()) |
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return ""; |
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return ""; |
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|
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|
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return '<a href="'.$this->nextURL($action).'">'.$this->nextText().'</a>'; |
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return '<a href="'.$this->nextURL($action).'">'.$this->nextText().'</a>'; |
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} |
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} |
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|
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|
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function lastLink($action = null) |
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function lastLink($action = null) |
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{ |
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{ |
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if(!$this->hasNext()) |
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if(!$this->hasNext()) |
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return ""; |
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return ""; |
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|
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|
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$tmp =& $this->lastImage(); |
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$tmp =& $this->lastImage(); |
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return '<a href="'.$tmp->URL(null, $action).'">'.$this->lastText().'</a>'; |
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return '<a href="'.$tmp->URL(null, $action).'">'.$this->lastText().'</a>'; |
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} |
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} |
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|
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|
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function prevURL($action = null) |
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function prevURL($action = null) |
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{ |
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{ |
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$tmp =& $this->prevImage(); |
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$tmp =& $this->prevImage(); |
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return $tmp->URL(null, $action); |
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return $tmp->URL(null, $action); |
156 |
} |
156 |
} |
157 |
|
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|
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function nextURL($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 |
} |
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} |
163 |
|
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|
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function firstText() { return $this->translator->_g("image|First"); } |
164 |
function firstText() { return $this->translator->_g("image|First"); } |
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function prevText() { return $this->translator->_g("image|Previous"); } |
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function prevText() { return $this->translator->_g("image|Previous"); } |
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function nextText() { return $this->translator->_g("image|Next"); } |
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function nextText() { return $this->translator->_g("image|Next"); } |
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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 $this->translator->_g("image|Thumbnails"); } |
169 |
|
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|
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function imageURL() |
170 |
function imageURL() |
171 |
{ |
171 |
{ |
172 |
if($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 |
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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 |
|
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|
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 |
?> |