In case of Images this is a thumbnail of the image, in case of other assets an icon representation.
|
public getThumbnailUriAndSizeForAsset ( Neos\Media\Domain\Model\AssetInterface $asset, |
||
| $asset | Neos\Media\Domain\Model\AssetInterface | |
| $configuration | ||
| $request | Request argument must be provided for asynchronous thumbnails | |
| Результат | array | null | Array with keys "width", "height" and "src" if the thumbnail generation work or null |
/**
* Renders the path to a thumbnail image, created from a given asset.
*
* @param AssetInterface $asset
* @param integer $width Desired width of the thumbnail
* @param integer $maximumWidth Desired maximum width of the thumbnail
* @param integer $height Desired height of the thumbnail
* @param integer $maximumHeight Desired maximum height of the thumbnail
* @param boolean $allowCropping Whether the thumbnail should be cropped if the given sizes would hurt the aspect ratio
* @param boolean $allowUpScaling Whether the resulting thumbnail size might exceed the size of the original asset
* @param boolean $async Return asynchronous image URI in case the requested image does not exist already
* @param string $preset Preset used to determine image configuration
* @return string the relative thumbnail path, to be used as src attribute for <img /> tags
*/
public function render(AssetInterface $asset = null, $width = null, $maximumWidth = null, $height = null, $maximumHeight = null, $allowCropping = false, $allowUpScaling = false, $async = false, $preset = null)
{
if ($preset) {
$thumbnailConfiguration = $this->thumbnailService->getThumbnailConfigurationForPreset($preset, $async);
} else {
$thumbnailConfiguration = new ThumbnailConfiguration($width, $maximumWidth, $height, $maximumHeight, $allowCropping, $allowUpScaling, $async);
}
return $this->assetService->getThumbnailUriAndSizeForAsset($asset, $thumbnailConfiguration, $this->controllerContext->getRequest())['src'];
}
/**
* Returns a processed image path
*
* @return string
* @throws \Exception
*/
public function evaluate()
{
$asset = $this->getAsset();
if (!$asset instanceof AssetInterface) {
throw new \Exception('No asset given for rendering.', 1415184217);
}
$thumbnailConfiguration = new ThumbnailConfiguration($this->getWidth(), $this->getMaximumWidth(), $this->getHeight(), $this->getMaximumHeight(), $this->getAllowCropping(), $this->getAllowUpScaling());
$thumbnailData = $this->assetService->getThumbnailUriAndSizeForAsset($asset, $thumbnailConfiguration);
if ($thumbnailData === null) {
return '';
}
return $thumbnailData['src'];
}
/**
* Renders an HTML img tag with a thumbnail image, created from a given asset.
*
* @param AssetInterface $asset The asset to be rendered as a thumbnail
* @param integer $width Desired width of the thumbnail
* @param integer $maximumWidth Desired maximum width of the thumbnail
* @param integer $height Desired height of the thumbnail
* @param integer $maximumHeight Desired maximum height of the thumbnail
* @param boolean $allowCropping Whether the thumbnail should be cropped if the given sizes would hurt the aspect ratio
* @param boolean $allowUpScaling Whether the resulting thumbnail size might exceed the size of the original asset
* @param boolean $async Return asynchronous image URI in case the requested image does not exist already
* @param string $preset Preset used to determine image configuration
* @return string an <img...> html tag
*/
public function render(AssetInterface $asset = null, $width = null, $maximumWidth = null, $height = null, $maximumHeight = null, $allowCropping = false, $allowUpScaling = false, $async = false, $preset = null)
{
if ($preset) {
$thumbnailConfiguration = $this->thumbnailService->getThumbnailConfigurationForPreset($preset, $async);
} else {
$thumbnailConfiguration = new ThumbnailConfiguration($width, $maximumWidth, $height, $maximumHeight, $allowCropping, $allowUpScaling, $async);
}
$thumbnailData = $this->assetService->getThumbnailUriAndSizeForAsset($asset, $thumbnailConfiguration, $this->controllerContext->getRequest());
if ($thumbnailData === null) {
return '';
}
$this->tag->addAttributes(array('width' => $thumbnailData['width'], 'height' => $thumbnailData['height'], 'src' => $thumbnailData['src']));
return $this->tag->render();
}