/**
* @return \Intervention\Image\Image
*/
private function getImage()
{
$base64 = base64_encode(file_get_contents(__DIR__ . '/assets/puppy.jpg'));
return $this->imageFactory->createFromBase64String($base64);
}
/**
* @api {post} /images/{imageId}/image?action=annotate Create an Annotation
* @apiGroup Manipulating Images
* @apiDescription Superimpose the given image (a base64 encoded string) on top of the existing image.
* @apiParam {string} base64 Base64 encoded image to use as the annotation. This does not have to have the same
* dimensions as the image, but it must be the same ratio. It will be resized to the size of the image.
* @apiUse RequiresEditableImage
* @apiUse ImageSuccessResponse
*
* @param Image $image
* @param FileManager $fileManager
* @param PictureFactory $pictureFactory
*
* @throws \Exception
* @return Response
*/
protected function annotate(Image $image, FileManager $fileManager, PictureFactory $pictureFactory)
{
$this->requireEditableImage($image);
$this->validate($this->request, ['base64' => 'required|string']);
if ($image->operationInProgress) {
throw new HttpException(409, "Another operation is currently in progress for this image.");
}
$image->operationInProgress = true;
$image->save();
$originalImageFile = $image->getImageFile();
$annotationPicture = $pictureFactory->createFromBase64String($this->request->input('base64'));
// Make sure the annotation can be resized to the image's size nicely
$annotationRatio = round($annotationPicture->width() / $annotationPicture->height(), 2);
$imageRatio = round($originalImageFile->width / $originalImageFile->height, 2);
if ($annotationRatio !== $imageRatio) {
throw new HttpException(422, "The annotation's ratio ({$annotationRatio}) is not the same as the image's ratio ({$imageRatio}).");
}
$originalPicture = $fileManager->getPictureForImageFile($originalImageFile);
$image->moveOriginalFile($fileManager);
// Resize annotation to the size of the image
$annotationPicture->resize($originalImageFile->width, $originalImageFile->height);
// Add the annotation on top of the original
$originalPicture->insert($annotationPicture);
$newFile = $fileManager->savePicture($originalPicture, FileManager::IMAGE_DIR, null, $image->getUncroppedImageFile());
$image->setImageFile($newFile);
$image->operationInProgress = false;
$success = $image->save();
return $this->response(['success' => $success, 'image' => $image->fresh()]);
}
