0,0 → 1,339 |
<?php |
|
/** |
* Image class. |
* |
* @author Tamlyn Rhodes <tam at zenology dot co dot uk> |
* @license http://opensource.org/licenses/gpl-license.php GNU General Public License |
* @copyright (c)2003-2005 Tamlyn Rhodes |
* @version $Id: image.class.php,v 1.22 2006/08/06 13:50:20 thepavian Exp $ |
*/ |
|
//include the base class |
require_once dirname(__FILE__)."/item.class.php"; |
|
/** |
* Data-only class used to store image data. |
* @package singapore |
* @author Tamlyn Rhodes <tam at zenology dot co dot uk> |
* @copyright (c)2003-2005 Tamlyn Rhodes |
*/ |
class sgImage extends sgItem |
{ |
/** |
* Width in pixels of the image |
* @var int |
*/ |
var $width = 0; |
|
/** |
* Height in pixels of the image |
* @var int |
*/ |
var $height = 0; |
|
/** |
* Image file format flag as returned by GetImageSize() |
* @var int |
*/ |
var $type; |
|
|
/** |
* Configurable field |
*/ |
var $camera = ""; |
var $lens = ""; |
var $film = ""; |
var $darkroom = ""; |
var $digital = ""; |
|
/** |
* Constructor |
* @param string image id |
* @param sgGallery reference to the parent gallery |
*/ |
function sgImage($id, &$parent) |
{ |
$this->id = $id; |
$this->parent =& $parent; |
$this->config =& sgConfig::getInstance(); |
$this->translator =& Translator::getInstance(); |
} |
|
/** |
* Over-rides the method in the item class |
* @return true returns true |
*/ |
function isImage() { return true; } |
|
|
/** |
* @return bool true if image height is greater than width |
*/ |
function isPortrait() |
{ |
return $this->width()/$this->height() > 1; |
} |
|
/** |
* @return bool true if image height is greater than width |
*/ |
function isLandscape() |
{ |
return $this->width()/$this->height() < 1; |
} |
|
function hasPrev() |
{ |
return (bool) $this->index(); |
} |
|
function hasNext() |
{ |
$index = $this->index(); |
return $index !== false && $index < $this->parent->imageCount()-1; |
} |
|
function &firstImage() |
{ |
return $this->parent->images[0]; |
} |
|
function &prevImage() |
{ |
return $this->parent->images[$this->index()-1]; |
} |
|
function &nextImage() |
{ |
return $this->parent->images[$this->index()+1]; |
} |
|
function &lastImage() |
{ |
return $this->parent->images[count($this->parent->images)-1]; |
} |
|
function firstLink($action = null) |
{ |
if(!$this->hasPrev()) |
return ""; |
|
$tmp =& $this->firstImage(); |
return '<a href="'.$tmp->URL(null, $action).'">'.$this->firstText().'</a>'; |
} |
|
function prevLink($action = null) |
{ |
if(!$this->hasPrev()) |
return ""; |
|
return '<a href="'.$this->prevURL($action).'">'.$this->prevText().'</a>'; |
} |
|
function nextLink($action = null) |
{ |
if(!$this->hasNext()) |
return ""; |
|
return '<a href="'.$this->nextURL($action).'">'.$this->nextText().'</a>'; |
} |
|
function lastLink($action = null) |
{ |
if(!$this->hasNext()) |
return ""; |
|
$tmp =& $this->lastImage(); |
return '<a href="'.$tmp->URL(null, $action).'">'.$this->lastText().'</a>'; |
} |
|
function prevURL($action = null) |
{ |
$tmp =& $this->prevImage(); |
return $tmp->URL(null, $action); |
} |
|
function nextURL($action = null) |
{ |
$tmp =& $this->nextImage(); |
return $tmp->URL(null, $action); |
} |
|
function firstText() { return $this->translator->_g("image|First"); } |
function prevText() { return $this->translator->_g("image|Previous"); } |
function nextText() { return $this->translator->_g("image|Next"); } |
function lastText() { return $this->translator->_g("image|Last"); } |
function parentText() { return $this->translator->_g("image|Thumbnails"); } |
|
function imageURL() |
{ |
if($this->config->full_image_resize) { |
$img = $this->thumbnail("image"); |
return $img->URL(); |
} else |
return $this->realURL(); |
} |
|
function realURL() |
{ |
if($this->isRemote()) |
return $this->id; |
else |
return $this->config->base_url.$this->config->pathto_galleries.$this->parent->idEncoded()."/".$this->idEncoded(); |
} |
|
function imageHTML($class = "sgImage") |
{ |
$ret = "<img src=\"".$this->imageURL().'" '; |
$ret .= 'class="'.$class.'" '; |
$ret .= 'width="'.$this->width().'" height="'.$this->height().'" '; |
if($this->config->imagemap_navigation) $ret .= 'usemap="#sgNavMap" border="0" '; |
$ret .= 'alt="'.$this->name().$this->byArtistText().'" />'; |
|
return $ret; |
} |
|
function thumbnailURL($type = "album") |
{ |
$thumb = $this->thumbnail($type); |
return $thumb->URL(); |
} |
|
function thumbnailHTML($class = "sgThumbnailAlbum", $type = "album") |
{ |
$thumb = $this->thumbnail($type); |
$ret = "<img src=\"".$thumb->URL().'" '; |
$ret .= 'class="'.$class.'" '; |
$ret .= 'width="'.$thumb->width().'" height="'.$thumb->height().'" '; |
$ret .= 'alt="'.$this->name().$this->byArtistText().'" />'; |
return $ret; |
} |
|
function thumbnailLink($class = "sgThumbnailAlbum", $type = "album") |
{ |
return '<a href="'.$this->URL().'">'.$this->thumbnailHTML($class, $type).'</a>'; |
} |
|
function thumbnailPopupLink($class = "sgThumbnailAlbum", $type = "album") |
{ |
$ret = '<a href="'.$this->URL().'" onclick="'; |
$ret .= "window.open('".$this->imageURL()."','','toolbar=0,resizable=1,"; |
$ret .= "width=".($this->width()+20).","; |
$ret .= "height=".($this->height()+20)."');"; |
$ret .= "return false;\">".$this->thumbnailHTML($class, $type)."</a>"; |
return $ret; |
} |
|
function nameForce() |
{ |
if($this->name) |
return $this->name; |
elseif($this->isRemote()) |
return substr($this->id, strrpos($this->id,'/') + 1, strrpos($this->id,'.') - strrpos($this->id,'/') - 1); |
else |
return substr($this->id, 0, strrpos($this->id,'.')); |
} |
|
/** |
* checks if image is remote (filename starts with 'http://') |
*/ |
function isRemote($image = null) |
{ |
if($image == null) $image = $this->id; |
return substr($image, 0, 7) == "http://"; |
} |
|
/** |
* @return string the absolute, canonical system path to the image |
*/ |
function realPath() |
{ |
if($this->isRemote()) |
return $this->id; |
else |
return realpath($this->config->base_path.$this->config->pathto_galleries.$this->parent->id."/".$this->id); |
} |
|
/** |
* @return string the rawurlencoded version of the image id |
*/ |
function idEncoded() |
{ |
return rawurlencode($this->id); |
} |
|
function width() |
{ |
if($this->config->full_image_resize) { |
$img = $this->thumbnail("image"); |
return $img->width(); |
} else |
return $this->realWidth(); |
} |
|
function height() |
{ |
if($this->config->full_image_resize) { |
$img = $this->thumbnail("image"); |
return $img->height(); |
} else |
return $this->realHeight(); |
} |
|
/** |
* finds position of current image in parent array |
*/ |
function index() |
{ |
foreach($this->parent->images as $key => $img) |
if($this->id == $img->id) |
return $key; |
|
return false; |
} |
|
function realWidth() |
{ |
//try to load image dimensions if not already loaded |
if($this->width == 0) { |
$size = @GetImageSize($this->realPath()); |
if($size) |
list($this->width, $this->height, $this->type) = $size; |
else |
return $this->config->thumb_width_image; |
} |
return $this->width; |
} |
|
function realHeight() |
{ |
//try to load image dimensions if not already loaded |
if($this->height == 0) { |
$size = @GetImageSize($this->realPath()); |
if($size) |
list($this->width, $this->height, $this->type) = $size; |
else |
return $this->config->thumb_height_image; |
} |
return $this->height; |
} |
|
/** Accessor methods */ |
function type() { return $this->type; } |
|
|
/* Private methods */ |
|
function &thumbnail($type) |
{ |
//only create thumbnail if it doesn't already exist |
if(!isset($this->thumbnails[$type])) |
$this->thumbnails[$type] =& new sgThumbnail($this, $type); |
|
return $this->thumbnails[$type]; |
} |
} |
|
?> |