/**
* Perfoms manipulation
*
* @param string $from
* @param string $to
* @param string $options
* @return void
*/
public function manipulate($from, $to, $options)
{
if (false === class_exists('Thumbnail')) {
throw new Yag_Manipulator_Adapter_Exception('Class Thumbnail could not be loaded');
}
if (!isset($options['geometry'])) {
throw new Yag_Manipulator_Adapter_Exception('Thumbnail requires the \'geometry\' option to be set');
}
$matches = array();
preg_match('/(c)?([0-9]+)x([0-9]+)/', $options['geometry'], $matches);
$crop = empty($matches[1]) ? false : true;
$width = $matches[2];
$height = $matches[3];
if (empty($matches[2])) {
throw new Yag_Manipulator_Adapter_Exception('Invalid geometry pattern \'' . $options['geometry'] . '\'');
}
if (empty($matches[3])) {
throw new Yag_Manipulator_Adapter_Exception('Invalid geometry pattern \'' . $options['geometry'] . '\'');
}
$thumbnail = new Thumbnail($from);
// TODO: Fix error handling around this...
$quality = 80;
if (false == $crop) {
$thumbnail->resize($width, $height);
$quality = 100;
} else {
if ($width == $height) {
// Well works for now... the crop for ImageTransform is a bit better
// but who cares?
$thumbnail->cropFromCenter($width);
} else {
$thumbnail->crop(0, 0, $width, $height);
}
}
$thumbnail->save($to, $quality);
}
function crop($imagePath, $thumbnailPath, $dimensions)
{
$crop = false;
$newSize = trim(intval($dimensions[0])) > 0 ? trim(intval($dimensions[0])) : 100;
$thumb = new Thumbnail($imagePath);
if ($thumb->error) {
echo $imagePath . ":" . $thumb->errmsg . "<br />";
return false;
}
$minLength = min($thumb->getCurrentWidth(), $thumb->getCurrentHeight());
$maxLength = max($thumb->getCurrentWidth(), $thumb->getCurrentHeight());
// Image is smaller than the specified size so we just rename it and save
if ($maxLength <= $newSize) {
$thumb->save($thumbnailPath, $this->quality);
//Just rename and save without processing
} else {
// At least one side is larger than specified thumbnail size
// Both sides are larger than resize length so first we scale and if image is not square we crop
if ($minLength > $newSize) {
// Scale smaller size to desired new size
if ($thumb->getCurrentWidth() < $thumb->getCurrentHeight()) {
$thumb->resize($newSize, 0);
$crop = true;
} elseif ($thumb->getCurrentWidth() > $thumb->getCurrentHeight()) {
$thumb->resize(0, $newSize);
$crop = true;
} else {
$thumb->resize($newSize, $newSize);
}
if ($crop) {
$thumb->cropFromCenter($newSize);
}
// One size is smaller than the new size, so we only crop the larger size to the new size
} else {
$cropX = intval(($thumb->getCurrentWidth() - $newSize) / 2);
$cropY = intval(($thumb->getCurrentHeight() - $newSize) / 2);
$thumb->crop($cropX, $cropY, $newSize, $newSize);
}
$thumb->save($thumbnailPath, $this->quality);
}
$thumb->destruct();
if (file_exists($thumbnailPath)) {
return true;
}
return false;
}
