Loads the image data from a string.
| public loadString ( string $image_data ) | ||
| $image_data | string | The data to use for the image. |
/**
* Load image data from a string.
*
* @param string $id
* @param string $image_data
*
* @return void
*/
public function loadString($image_data)
{
parent::loadString($image_data);
$this->_imagick->clear();
try {
$this->_imagick->readImageBlob($this->_data);
$this->_imagick->setImageFormat($this->_type);
$this->_imagick->setIteratorIndex(0);
} catch (ImagickException $e) {
throw new Horde_Image_Exception($e);
}
unset($this->_data);
}
/**
* Creates and caches the given view.
*
* @param string $view Which view to create.
* @param Ansel_Style $style A style object
*
* @throws Ansel_Exception
*/
public function createView($view, Ansel_Style $style = null, $watermark = '')
{
// Default to the gallery's style
if (empty($style)) {
$style = $GLOBALS['injector']->getInstance('Ansel_Storage')->getGallery($this->gallery)->getStyle();
}
// Get the VFS info.
$vfspath = $this->getVFSPath($view, $style);
if ($GLOBALS['injector']->getInstance('Horde_Core_Factory_Vfs')->create('images')->exists($vfspath, $this->getVFSName($view))) {
return;
}
try {
$data = $GLOBALS['injector']->getInstance('Horde_Core_Factory_Vfs')->create('images')->read($this->getVFSPath('full'), $this->getVFSName('full'));
} catch (Horde_Vfs_Exception $e) {
Horde::log($e, 'ERR');
throw new Ansel_Exception($e);
}
// Force screen images to ALWAYS be jpegs for performance/size
if ($view == 'screen' && $GLOBALS['conf']['image']['type'] != 'jpeg') {
$originalType = $this->_image->setType('jpeg');
} else {
$originalType = false;
}
$vHash = $this->getViewHash($view, $style);
$this->_image->loadString($data);
if ($view == 'thumb') {
$viewType = $style->thumbstyle;
} else {
// Screen, Mini
$viewType = ucfirst($view);
}
try {
$iview = Ansel_ImageGenerator::factory($viewType, array('image' => $this, 'style' => $style));
} catch (Ansel_Exception $e) {
// It could be we don't support the requested effect, try
// ansel_default before giving up.
if ($view == 'thumb' && $viewType != 'Thumb') {
$iview = Ansel_ImageGenerator::factory('Thumb', array('image' => $this, 'style' => Ansel::getStyleDefinition('ansel_default')));
} else {
// If it wasn't a thumb, then something else must be wrong
throw $e;
}
}
// generate the view
$iview->create();
// Cache the data from the new ImageGenerator
try {
$this->_data[$vHash] = $this->_image->raw();
} catch (Horde_Image_Exception $e) {
throw new Ansel_Exception($e);
}
// ...and put it in Horde_Image obejct, then save
$this->_image->loadString($this->_data[$vHash]);
$this->_loaded[$vHash] = true;
$GLOBALS['injector']->getInstance('Horde_Core_Factory_Vfs')->create('images')->writeData($vfspath, $this->getVFSName($vHash), $this->_data[$vHash], true);
// Watermark
if (!empty($watermark)) {
$this->watermark($view);
// Cache the data again
try {
$this->_data[$vHash] = $this->_image->raw();
} catch (Horde_Image_Exception $e) {
throw new Ansel_Exception($e);
}
$GLOBALS['injector']->getInstance('Horde_Core_Factory_Vfs')->create('images')->writeData($vfspath, $this->getVFSName($view), $this->_data[$vHash]);
}
// Revert any type change
if ($originalType) {
$this->_image->setType($originalType);
}
}