/**
* Construct a new awgraph
*
* @param int $width Graph width
* @param int $height Graph height
* @param string $name Graph name for the cache (must be unique). Let it null to not use the cache.
* @param int $timeout Cache timeout (unix timestamp)
*/
function awGraph($width = NULL, $height = NULL, $name = NULL, $timeout = 0)
{
parent::awImage();
$this->setSize($width, $height);
if (ARTICHOW_CACHE) {
$this->name = $name;
$this->timeout = $timeout;
// Clean sometimes all the cache
if (mt_rand(0, 5000) === 0) {
awGraph::cleanCache();
}
if ($this->name !== NULL) {
$file = ARTICHOW . "/cache/" . $this->name . "-time";
if (is_file($file)) {
$type = awGraph::cleanGraphCache($file);
if ($type === NULL) {
awGraph::deleteFromCache($this->name);
} else {
header("Content-Type: image/" . $type);
readfile(ARTICHOW . "/cache/" . $this->name . "");
exit;
}
}
}
}
$this->title = new awLabel(NULL, new awTuffy(16), NULL, 0);
$this->title->setAlign(LABEL_CENTER, LABEL_BOTTOM);
}
/**
* Construct a new graph
*
* @param int $width Graph width
* @param int $height Graph height
* @param string $name Graph name for the cache (must be unique). Let it null to not use the cache.
* @param int $timeout Cache timeout (unix timestamp)
*/
public function __construct($width = NULL, $height = NULL, $name = NULL, $timeout = 0)
{
parent::__construct();
$this->setSize($width, $height);
if (ARTICHOW_CACHE) {
$this->name = $name;
$this->timeout = $timeout;
// Clean sometimes all the cache
if (mt_rand(0, 5000) === 0) {
awGraph::cleanCache();
}
// Take the graph from the cache if possible
if ($this->name !== NULL) {
$this->fileCache = ARTICHOW_CACHE_DIRECTORY . "/" . $this->name;
$this->fileCacheTime = $this->fileCache . "-time";
if (is_file($this->fileCache)) {
$type = awGraph::cleanGraphCache($this->fileCacheTime);
if ($type === NULL) {
awGraph::deleteFromCache($this->name);
} else {
header("Content-Type: image/" . $type);
echo file_get_contents($this->fileCache);
exit;
}
}
}
}
$this->title = new awLabel(NULL, new awTuffy(16), NULL, 0);
$this->title->setAlign(awLabel::CENTER, awLabel::BOTTOM);
}
/**
* Construct a new graph
*
* @param int $width Graph width
* @param int $height Graph height
* @param string $name Graph name for the cache (must be unique). Let it null to not use the cache.
* @param int $timeout Cache timeout (unix timestamp)
*/
public function __construct($width = NULL, $height = NULL, $name = NULL, $timeout = 0, $alternativeSize = 0)
{
parent::__construct();
$this->setSize($width, $height, $alternativeSize);
$this->name = $name;
$this->timeout = $timeout;
// Clean sometimes all the cache
if (mt_rand(0, 5000) === 0) {
awGraph::cleanCache();
}
if ($this->name !== NULL) {
$file = ARTICHOW . "/cache/" . $this->name . "-time";
if (is_file($file)) {
$type = awGraph::cleanGraphCache($file);
if ($type === NULL) {
awGraph::deleteFromCache($this->name);
} else {
header("Content-Type: image/" . $type);
readfile(ARTICHOW . "/cache/" . $this->name . "");
exit;
}
}
}
$this->title = new awLabel(NULL, new awTuffy(16), NULL, 0);
$this->title->setAlign(awLabel::CENTER, awLabel::BOTTOM);
}
