Examples with Crop org.olat.core.commons.services.image.Crop used on opensource projects

Example 1 with Crop

use of org.olat.core.commons.services.image.Crop in project OpenOLAT by OpenOLAT.

the class ImageFormItem method evalFormRequest.

@Override
public void evalFormRequest(UserRequest ureq) {
    String imgId = "o_img" + imageComponent.getDispatchID();
    String x = getRootForm().getRequestParameter(imgId + "_x");
    String y = getRootForm().getRequestParameter(imgId + "_y");
    String w = getRootForm().getRequestParameter(imgId + "_w");
    String h = getRootForm().getRequestParameter(imgId + "_h");
    if (StringHelper.isLong(x) && StringHelper.isLong(y) && StringHelper.isLong(w) && StringHelper.isLong(h)) {
        try {
            Crop c = new Crop();
            c.setX(Integer.parseInt(x));
            c.setY(Integer.parseInt(y));
            c.setWidth(Integer.parseInt(w));
            c.setHeight(Integer.parseInt(h));
            cropSelection = c;
        } catch (NumberFormatException e) {
            log.warn("", e);
            cropSelection = null;
        }
    } else {
        cropSelection = null;
    }
}

Example 2 with Crop

use of org.olat.core.commons.services.image.Crop in project openolat by klemens.

the class VideoManagerImpl method setPosterframeResizeUploadfile.

/**
 * Sets the posterframe resize uploadfile. Tries to fit image to dimensions of video.
 *
 * @param videoResource the video resource
 * @param posterframe the newPosterFile
 */
@Override
public void setPosterframeResizeUploadfile(OLATResource videoResource, VFSLeaf newPosterFile) {
    VideoMeta videoMetadata = getVideoMetadata(videoResource);
    Size posterRes = imageHelper.getSize(newPosterFile, FILETYPE_JPG);
    // file size needs to be bigger than target resolution, otherwise use image as it comes
    if (posterRes != null && posterRes.getHeight() != 0 && posterRes.getWidth() != 0 && posterRes.getHeight() >= videoMetadata.getHeight() && posterRes.getWidth() >= videoMetadata.getWidth()) {
        VFSLeaf oldPosterFile = getPosterframe(videoResource);
        oldPosterFile.delete();
        VFSContainer masterContainer = getMasterContainer(videoResource);
        LocalFileImpl newPoster = (LocalFileImpl) masterContainer.createChildLeaf(FILENAME_POSTER_JPG);
        // to shrink image file, resolution ratio needs to be equal, otherwise crop from top left corner
        if (posterRes.getHeight() / posterRes.getWidth() == videoMetadata.getHeight() / videoMetadata.getWidth()) {
            imageHelper.scaleImage(newPosterFile, newPoster, videoMetadata.getWidth(), videoMetadata.getHeight(), true);
        } else {
            Crop cropSelection = new Crop(0, 0, videoMetadata.getHeight(), videoMetadata.getWidth());
            imageHelper.cropImage(((LocalFileImpl) newPosterFile).getBasefile(), newPoster.getBasefile(), cropSelection);
        }
    } else {
        setPosterframe(videoResource, newPosterFile);
    }
}

Example 3 with Crop

use of org.olat.core.commons.services.image.Crop in project openolat by klemens.

the class FileElementImpl method moveUploadFileTo.

@Override
public VFSLeaf moveUploadFileTo(VFSContainer destinationContainer, boolean crop) {
    VFSLeaf targetLeaf = null;
    if (tempUploadFile != null && tempUploadFile.exists()) {
        // Check if such a file does already exist, if yes rename new file
        VFSItem existsChild = destinationContainer.resolve(uploadFilename);
        if (existsChild != null) {
            // Use standard rename policy
            uploadFilename = VFSManager.rename(destinationContainer, uploadFilename);
        }
        // Create target leaf file now and delete original temp file
        if (destinationContainer instanceof LocalFolderImpl) {
            // Optimize for local files (don't copy, move instead)
            LocalFolderImpl folderContainer = (LocalFolderImpl) destinationContainer;
            File destinationDir = folderContainer.getBasefile();
            File targetFile = new File(destinationDir, uploadFilename);
            Crop cropSelection = previewEl == null ? null : previewEl.getCropSelection();
            if (crop && cropSelection != null) {
                CoreSpringFactory.getImpl(ImageService.class).cropImage(tempUploadFile, targetFile, cropSelection);
                targetLeaf = (VFSLeaf) destinationContainer.resolve(targetFile.getName());
            } else if (FileUtils.copyFileToFile(tempUploadFile, targetFile, true)) {
                targetLeaf = (VFSLeaf) destinationContainer.resolve(targetFile.getName());
            } else {
                log.error("Error after copying content from temp file, cannot copy file::" + (tempUploadFile == null ? "NULL" : tempUploadFile) + " - " + (targetFile == null ? "NULL" : targetFile), null);
            }
            if (targetLeaf == null) {
                log.error("Error after copying content from temp file, cannot resolve copied file::" + (tempUploadFile == null ? "NULL" : tempUploadFile) + " - " + (targetFile == null ? "NULL" : targetFile), null);
            }
        } else {
            // Copy stream in case the destination is a non-local container
            VFSLeaf leaf = destinationContainer.createChildLeaf(uploadFilename);
            boolean success = false;
            try {
                success = VFSManager.copyContent(new FileInputStream(tempUploadFile), leaf);
            } catch (FileNotFoundException e) {
                log.error("Error while copying content from temp file::" + (tempUploadFile == null ? "NULL" : tempUploadFile.getAbsolutePath()), e);
            }
            if (success) {
                // Delete original temp file after copy to simulate move
                // behavior
                tempUploadFile.delete();
                targetLeaf = leaf;
            }
        }
    } else if (log.isDebug()) {
        log.debug("Error while copying content from temp file, no temp file::" + (tempUploadFile == null ? "NULL" : tempUploadFile.getAbsolutePath()));
    }
    return targetLeaf;
}

Example 4 with Crop

use of org.olat.core.commons.services.image.Crop in project openolat by klemens.

the class ImageFormItem method evalFormRequest.

@Override
public void evalFormRequest(UserRequest ureq) {
    String imgId = "o_img" + imageComponent.getDispatchID();
    String x = getRootForm().getRequestParameter(imgId + "_x");
    String y = getRootForm().getRequestParameter(imgId + "_y");
    String w = getRootForm().getRequestParameter(imgId + "_w");
    String h = getRootForm().getRequestParameter(imgId + "_h");
    if (StringHelper.isLong(x) && StringHelper.isLong(y) && StringHelper.isLong(w) && StringHelper.isLong(h)) {
        try {
            Crop c = new Crop();
            c.setX(Integer.parseInt(x));
            c.setY(Integer.parseInt(y));
            c.setWidth(Integer.parseInt(w));
            c.setHeight(Integer.parseInt(h));
            cropSelection = c;
        } catch (NumberFormatException e) {
            log.warn("", e);
            cropSelection = null;
        }
    } else {
        cropSelection = null;
    }
}

Example 5 with Crop

use of org.olat.core.commons.services.image.Crop in project OpenOLAT by OpenOLAT.

the class VideoManagerImpl method setPosterframeResizeUploadfile.

/**
 * Sets the posterframe resize uploadfile. Tries to fit image to dimensions of video.
 *
 * @param videoResource the video resource
 * @param posterframe the newPosterFile
 */
@Override
public void setPosterframeResizeUploadfile(OLATResource videoResource, VFSLeaf newPosterFile) {
    VideoMeta videoMetadata = getVideoMetadata(videoResource);
    Size posterRes = imageHelper.getSize(newPosterFile, FILETYPE_JPG);
    // file size needs to be bigger than target resolution, otherwise use image as it comes
    if (posterRes != null && posterRes.getHeight() != 0 && posterRes.getWidth() != 0 && posterRes.getHeight() >= videoMetadata.getHeight() && posterRes.getWidth() >= videoMetadata.getWidth()) {
        VFSLeaf oldPosterFile = getPosterframe(videoResource);
        oldPosterFile.delete();
        VFSContainer masterContainer = getMasterContainer(videoResource);
        LocalFileImpl newPoster = (LocalFileImpl) masterContainer.createChildLeaf(FILENAME_POSTER_JPG);
        // to shrink image file, resolution ratio needs to be equal, otherwise crop from top left corner
        if (posterRes.getHeight() / posterRes.getWidth() == videoMetadata.getHeight() / videoMetadata.getWidth()) {
            imageHelper.scaleImage(newPosterFile, newPoster, videoMetadata.getWidth(), videoMetadata.getHeight(), true);
        } else {
            Crop cropSelection = new Crop(0, 0, videoMetadata.getHeight(), videoMetadata.getWidth());
            imageHelper.cropImage(((LocalFileImpl) newPosterFile).getBasefile(), newPoster.getBasefile(), cropSelection);
        }
    } else {
        setPosterframe(videoResource, newPosterFile);
    }
}