function copyFile(PhingFile $sourceFile, PhingFile $destFile, $overwrite = false, $preserveLastModified = true, &$filterChains = null, Project $project)
{
// writes to tmp file first, then rename it to avoid file locking race
// conditions
$parent = $destFile->getParentFile();
$tmpFile = new PhingFile($parent, substr(md5(time()), 0, 8));
parent::copyFile($sourceFile, $tmpFile, $overwrite, $preserveLastModified, $filterChains, $project);
$tmpFile->renameTo($destFile);
}
private function resizeImage($source, $parameters, $preview = false, $custom_settings = null)
{
// TODO *******
//
// Leider bietet diese drecks GD-Lib keine M�glichkeit, einen "out of memory"-Fehler zu umgehen,
// oder vorauszusehen, wann ein Bild zu gro� f�r den Speicher ist.
//
// Daher sollte hier noch ein Mechanismus geschaffen werden, um voraus zu berechnen, wieviel Speicher
// es brauchen wird, das Bild zu laden und einen Fehlercode zur�ckzugeben, falls der Speicher nicht reicht!
// gew�nschte JPEG-Kompression feststellen
$source_path_info = pathinfo($source);
$source_ext = UTF8String::strtolower($source_path_info['extension']);
if ($source_ext == 'jpg' || $source_ext == 'jpg' || $source_ext == 'jpe') {
if ($this->isParameterPositiveNumber($parameters, 'jpegQuality')) {
$jpeqQuality = $parameters['jpegQuality'];
} else {
$jpeqQuality = Config::get()->jpegQuality;
}
} else {
$jpeqQuality = null;
}
// Erstmal keine Gr��en�nderung annehmen
$mode = 'copy';
// Pr�fen, ob maximal-Werte angegeben sind
$max_width = 0;
$max_height = 0;
if ($this->isParameterPositiveNumber($parameters, 'maxWidth')) {
$max_width = $parameters['maxWidth'];
}
if ($this->isParameterPositiveNumber($parameters, 'maxHeight')) {
$max_height = $parameters['maxHeight'];
}
// Wenn Maximal-Werte gesetzt sind, Einpassung annehmen
if ($max_width > 0 || $max_height > 0) {
$mode = 'fitIn';
}
// Pr�fen, ob genaue Abmessungen gefordert sind
$force_width = 0;
$force_height = 0;
if ($this->isParameterPositiveNumber($parameters, 'forceWidth')) {
$force_width = $parameters['forceWidth'];
}
if ($this->isParameterPositiveNumber($parameters, 'forceHeight')) {
$force_height = $parameters['forceHeight'];
}
// ggf. Benutzereingaben auswerten
if ($custom_settings !== null) {
// der Benutzer hat selbst eine Gr��e festgelegt...
// diese Werte �berschreiben forceWidth und forceHeight
if ($this->sanitizeBoolean($custom_settings['customSize'])) {
if ($this->sanitizeInteger($custom_settings['width']) > 0) {
$force_width = $this->sanitizeInteger($custom_settings['width']);
} else {
$force_width = 0;
}
if ($this->sanitizeInteger($custom_settings['height']) > 0) {
$force_height = $this->sanitizeInteger($custom_settings['height']);
} else {
$force_height = 0;
}
}
// der Benutzer hat einen Ausschnitt festgelegt oder die s/w option gew�hlt...
if ($this->sanitizeBoolean($custom_settings['customCrop']) || $this->sanitizeBoolean($custom_settings['convertToBlackAndWhite'])) {
$tmp_file = APPLICATION_ROOT . 'user-data/tmp/images/' . $this->getRandomFilenameWithTimeStamp($source);
$tmp_image = WideImage::load($source);
if ($this->sanitizeBoolean($custom_settings['customCrop'])) {
$tmp_image = $tmp_image->crop($this->sanitizeInteger($custom_settings['cropX1']), $this->sanitizeInteger($custom_settings['cropY1']), $this->sanitizeInteger($custom_settings['cropX2']) - $this->sanitizeInteger($custom_settings['cropX1']), $this->sanitizeInteger($custom_settings['cropY2']) - $this->sanitizeInteger($custom_settings['cropY1']));
}
if ($this->sanitizeBoolean($custom_settings['convertToBlackAndWhite'])) {
$tmp_image = $tmp_image->asGrayscale();
}
$this->saveImage($tmp_image, $tmp_file, $jpeqQuality);
$tmp_image->destroy();
$source = $tmp_file;
}
}
// Wenn genaue Abmessungen gefordert sind, entsprechenden Modus setzen...
if ($force_width > 0 && $force_height > 0) {
$mode = 'exact';
} elseif ($force_width > 0) {
$mode = 'forceWidth';
} elseif ($force_height > 0) {
$mode = 'forceHeight';
}
// Tempor�ren Dateinamen erstellen
$temp_file_name = $this->getRandomFilenameWithTimeStamp($source);
$relative_path_to_dest_file = 'user-data/tmp/images/' . $temp_file_name;
$absolute_path_to_dest_file = APPLICATION_ROOT . $relative_path_to_dest_file;
// Je nach Modus Bild kopieren / ge�nderte Version speichern
$result = true;
try {
switch ($mode) {
case 'copy':
// keine Gr��en�nderung erfoderlich
$result = FileUtils::copyFile($source, $absolute_path_to_dest_file);
break;
case 'exact':
// Gr��e genau vorgegeben
$image = WideImage::load($source);
$image_dimensions = $this->getDimensions($image);
$resized_image = $image->resize($force_width, $force_height, 'outside', 'any');
$resized_image_dimensions = $this->getDimensions($resized_image);
$image->destroy();
if ($resized_image->getWidth() > $force_width || $resized_image->getHeight() > $force_height) {
$crop_x = 0;
if ($resized_image->getWidth() > $force_width) {
$crop_x = floor(($resized_image->getWidth() - $force_width) / 2);
}
$crop_y = 0;
if ($resized_image->getHeight() > $force_height) {
$crop_y = floor(($resized_image->getHeight() - $force_height) / 2);
}
$cropped_image = $resized_image->crop($crop_x, $crop_y, $force_width, $force_height);
$resized_image->destroy();
$this->saveImage($cropped_image, $absolute_path_to_dest_file, $jpeqQuality);
$cropped_image->destroy();
} else {
if ($this->equalDimensions($image_dimensions, $resized_image_dimensions)) {
FileUtils::copyFile($source, $absolute_path_to_dest_file);
} else {
$this->saveImage($resized_image, $absolute_path_to_dest_file, $jpeqQuality);
}
$resized_image->destroy();
}
break;
case 'forceWidth':
// Breite vorgegeben
$image = WideImage::load($source);
$image_dimensions = $this->getDimensions($image);
$resized_image = $image->resize($force_width, null, 'outside', 'any');
$resized_image_dimensions = $this->getDimensions($resized_image);
$image->destroy();
if ($max_height > 0 && $resized_image->getHeight() > $max_height) {
$crop_y = 0;
if ($resized_image->getHeight() > $max_height) {
$crop_y = floor(($resized_image->getHeight() - $max_height) / 2);
}
$cropped_image = $resized_image->crop(0, $crop_y, $force_width, $max_height);
$resized_image->destroy();
$this->saveImage($cropped_image, $absolute_path_to_dest_file, $jpeqQuality);
$cropped_image->destroy();
} else {
if ($this->equalDimensions($image_dimensions, $resized_image_dimensions)) {
FileUtils::copyFile($source, $absolute_path_to_dest_file);
} else {
$this->saveImage($resized_image, $absolute_path_to_dest_file, $jpeqQuality);
}
$resized_image->destroy();
}
break;
case 'forceHeight':
// H�he vorgegeben
$image = WideImage::load($source);
$image_dimensions = $this->getDimensions($image);
$resized_image = $image->resize(null, $force_height, 'outside', 'any');
$resized_image_dimensions = $this->getDimensions($resized_image);
$image->destroy();
if ($max_width > 0 && $resized_image->getWidth() > $max_width) {
$crop_x = 0;
if ($resized_image->getWidth() > $max_width) {
$crop_x = floor(($resized_image->getWidth() - $max_width) / 2);
}
$cropped_image = $resized_image->crop($crop_x, 0, $max_width, $force_height);
$resized_image->destroy();
$this->saveImage($cropped_image, $absolute_path_to_dest_file, $jpeqQuality);
$cropped_image->destroy();
} else {
if ($this->equalDimensions($image_dimensions, $resized_image_dimensions)) {
FileUtils::copyFile($source, $absolute_path_to_dest_file);
} else {
$this->saveImage($resized_image, $absolute_path_to_dest_file, $jpeqQuality);
}
$resized_image->destroy();
}
break;
case 'fitIn':
// in angegebenes Rechteck einpassen
$image = WideImage::load($source);
$image_dimensions = $this->getDimensions($image);
if ($max_width == 0) {
$max_width = null;
}
if ($max_height == 0) {
$max_height = null;
}
$resized_image = $image->resize($max_width, $max_height, 'inside', 'down');
$resized_image_dimensions = $this->getDimensions($resized_image);
$image->destroy();
if ($this->equalDimensions($image_dimensions, $resized_image_dimensions)) {
FileUtils::copyFile($source, $absolute_path_to_dest_file);
} else {
$this->saveImage($resized_image, $absolute_path_to_dest_file, $jpeqQuality);
}
$resized_image->destroy();
break;
}
} catch (WideImage_Exception $e) {
$result = false;
}
// im Erfolgsfall zum Stammverzeichnis relativen Pfad zur�ckgeben
if ($result) {
// M�glicherweise wird das Bild nochmal von einem geladenen Plugin bearbeitet
$plugin_parameters = array('source' => $source, 'parameters' => $parameters, 'preview' => $preview, 'customSettings' => $custom_settings);
Plugins::call(Plugins::AFTER_IMAGE_RESIZE, $plugin_parameters, $relative_path_to_dest_file);
return $relative_path_to_dest_file;
} else {
return false;
}
}
