/**
* Main constructor
*
* @param Conf $conf Viewer configuration
* @param array $ptypes Pyramidal types
*/
public function __construct($conf, $ptypes)
{
if (!extension_loaded($this->extensionName())) {
Analog::error($this->missingLib());
throw new \RuntimeException($this->missingLib());
}
$this->conf = $conf;
$this->_pyramidal_types = $ptypes;
}
/**
* Resize the image if it exceed max allowed sizes
*
* @param string $source the source image
* @param string $dest the destination image.
* @param string $format the format to use
*
* @return void
*/
public function resize($source, $dest, $format)
{
$gdinfo = gd_info();
$fmts = $this->conf->getFormats();
$fmt = $fmts[$format];
$h = $fmt['height'];
$w = $fmt['width'];
switch ($this->img_type) {
case IMAGETYPE_JPEG:
if (!$gdinfo['JPEG Support']) {
Analog::log('[' . $this->get_class($this) . '] GD has no JPEG Support - ' . 'pictures could not be resized!', Analog::ERROR);
return false;
}
break;
case IMAGETYPE_PNG:
if (!$gdinfo['PNG Support']) {
Analog::log('[' . $this->get_class($this) . '] GD has no PNG Support - ' . 'pictures could not be resized!', Analog::ERROR);
return false;
}
break;
case IMAGETYPE_GIF:
if (!$gdinfo['GIF Create Support']) {
Analog::log('[' . $this->get_class($this) . '] GD has no GIF Support - ' . 'pictures could not be resized!', Analog::ERROR);
return false;
}
break;
default:
Analog::error('Current image type cannot be resized');
return false;
}
list($cur_width, $cur_height, $cur_type, $curattr) = getimagesize($source);
$ratio = $cur_width / $cur_height;
// calculate image size according to ratio
if ($cur_width > $cur_height) {
$h = $w / $ratio;
} else {
$w = $h * $ratio;
}
$thumb = imagecreatetruecolor($w, $h);
$image = $this->_getImageAsResource($source);
switch ($this->img_type) {
case IMAGETYPE_JPEG:
imagecopyresampled($thumb, $image, 0, 0, 0, 0, $w, $h, $cur_width, $cur_height);
imagejpeg($thumb, $dest);
break;
case IMAGETYPE_PNG:
// Turn off alpha blending and set alpha flag. That prevent alpha
// transparency to be saved as an arbitrary color (black in my tests)
imagealphablending($thumb, false);
imagealphablending($image, false);
imagesavealpha($thumb, true);
imagesavealpha($image, true);
imagecopyresampled($thumb, $image, 0, 0, 0, 0, $w, $h, $cur_width, $cur_height);
imagepng($thumb, $dest, 9);
break;
case IMAGETYPE_GIF:
imagecopyresampled($thumb, $image, 0, 0, 0, 0, $w, $h, $cur_width, $cur_height);
imagegif($thumb, $dest);
break;
case IMAGETYPE_TIFF_II:
case IMAGETYPE_TIFF_MM:
/** Gd cannot resize TIFF images. */
throw new \RuntimeException(_('TIFF images cannot be resized using Gd library!'));
break;
}
}
if ($remote_infos !== false) {
$v->setData('remote_method', $remote_infos['method']);
$v->setData('remote_uri', $remote_infos['uri']);
}
});
//set default conditions
Route::setDefaultConditions(array('image' => '.+\\.[a-zA-Z]{3,4}', 'series' => '.+', 'format' => 'full|' . implode('|', array_keys($conf->getFormats()))));
//404 handler
$app->notFound(function () use($app) {
$app->render('404.html.twig');
});
//custom error handler
$app->error(function (\Exception $e) use($app, $conf, $app_base_url) {
$resuUri = $app->request()->getResourceUri();
$etype = get_class($e);
Analog::error('exception \'' . $etype . '\' with message \'' . $e->getMessage() . '\' in ' . $e->getFile() . ':' . $e->getLine() . "\nStack trace:\n" . $e->getTraceAsString());
if ((substr($resuUri, 0, 10) === '/ajax/img/' || substr($resuUri, 0, 21) === '/ajax/representative/') && APP_DEBUG !== true) {
$format = 'default';
preg_match('/.*\\/format\\/(.*)/', $resuUri, $matches);
if (isset($matches[1])) {
$format = $matches[1];
}
$picture = new Picture($conf, DEFAULT_PICTURE, $app_base_url);
$display = $picture->getDisplay($format);
$response = $app->response();
foreach ($display['headers'] as $key => $header) {
$response[$key] = $header;
}
$response->body($display['content']);
} else {
$app->render('50x.html.twig', array('exception' => $e));
/**
* Get image informations for a specific format
*
* @param string $format Required format
*
* @return array
*/
private function _checkImageFormat($format)
{
$name_path = explode('/', $this->_name);
$image_name = array_pop($name_path);
$prepared_path = $this->_conf->getPreparedPath() . $format;
$prepared_path .= '/' . $this->_getRelativePath($image_name);
$image_path = $prepared_path . $image_name;
$flagChangeImage = false;
if (file_exists($image_path)) {
$dateImage = new \DateTime();
$datePreparedImage = new \DateTime();
$dateImage->setTimestamp(filectime($this->_full_path));
$datePreparedImage->setTimestamp(filectime($image_path));
if ($dateImage > $datePreparedImage) {
$flagChangeImage = true;
}
}
if (!file_exists($image_path) || $flagChangeImage) {
//prepared image does not exists yet
if (file_exists($this->_conf->getPreparedPath()) && is_dir($this->_conf->getPreparedPath()) && is_writable($this->_conf->getPreparedPath())) {
if (!file_exists($prepared_path)) {
mkdir($prepared_path, 0755, true);
}
$this->_prepareImage($image_path, $format);
} else {
Analog::error(str_replace('%path', $this->_conf->getPreparedPath(), _('%path does not exists or is not writable!')));
//let's serve original image...
return array($this->_full_path, filesize($this->_full_path));
}
}
return array($image_path, filesize($image_path));
}
/**
* Default footer
*
* @return void
*/
public function Footer()
{
$image = $this->_conf->getPrintFooter($this->CurOrientation);
if (file_exists($image)) {
$this->SetY(280);
$this->writeHTML('<img src="' . $image . '"/>');
$this->_footer_height = ceil($this->getY());
} else {
Analog::error(str_replace('%file', $image, 'File %file does not exists!'));
}
}
/**
* Set image from its position in series
*
* @param int $pos Image position
*
* @return boolean
*/
public function setNumberedImage($pos)
{
$pos = $pos - 1;
if (isset($this->_content[$pos])) {
return $this->setImage($this->_content[$pos]);
} else {
Analog::error(str_replace('%pos', $pos, _('No image at position %pos!')));
return false;
}
}
