public function imageAction(Request $request, $path, $_format)
{
$image = new Image($this->gitiki['wiki_path'], $path . '.' . $_format);
if (false === $image->isFile() || false === $image->isReadable()) {
$this->gitiki->abort(404, sprintf('The image "%s" was not found.', $image->getRelativePath()));
}
if ($request->query->has('details')) {
return $this->gitiki['twig']->render('image.html.twig', ['page' => $image]);
}
$response = $this->gitiki->sendFile($image)->setMaxAge(0);
if (!$response->isNotModified($request) && null !== ($size = $request->query->get('size'))) {
try {
$response->setFile($this->gitiki['image']->resize($image, $size), null, false, false)->deleteFileAfterSend(true);
} catch (InvalidSizeException $e) {
}
}
return $response;
}
protected function doResize(Image $image, array $size)
{
list($srcW, $srcH) = $image->getImageSize();
$srcX = $srcY = 0;
$crop = true;
if (INF === $size['width'] && INF !== $size['height']) {
// compute width size
$size['width'] = $this->getSizeRatio($srcH, $size['height'], $srcW);
$crop = false;
} elseif (INF === $size['height'] && INF !== $size['width']) {
// compute height size
$size['height'] = $this->getSizeRatio($srcW, $size['width'], $srcH);
$crop = false;
} elseif (INF !== $size['width'] && INF !== $size['height']) {
$srcRatio = $srcW / $srcH;
$destRation = $size['width'] / $size['height'];
if ($srcRatio === $destRation) {
$crop = false;
}
}
if ($crop) {
// crop and resize
$ratioW = $size['width'] * 100 / $srcW;
$ratioH = $size['height'] * 100 / $srcH;
if ($ratioW > $ratioH) {
$oldSrcH = $srcH;
$srcH = $this->getSizeRatio($size['width'], $srcW, $size['height']);
$srcY = ($oldSrcH - $srcH) / 2;
} else {
$oldSrcW = $srcW;
$srcW = $this->getSizeRatio($size['height'], $srcH, $size['width']);
$srcX = ($oldSrcW - $srcW) / 2;
}
}
$resized = imagecreatetruecolor($size['width'], $size['height']);
imagecopyresampled($resized, $this->loadImage($image), 0, 0, $srcX, $srcY, isset($destW) ? $destW : $size['width'], isset($destH) ? $destH : $size['height'], $srcW, $srcH);
$temp = new \SplFileInfo(tempnam(sys_get_temp_dir(), 'gitiki'));
$this->saveImage($image, $temp, $resized);
return $temp;
}