Example usage for com.liferay.portal.kernel.image ImageToolUtil getBytes

Introduction

In this page you can find the example usage for com.liferay.portal.kernel.image ImageToolUtil getBytes.

Prototype

public static byte[] getBytes(RenderedImage renderedImage, String contentType) throws IOException 

Source Link

Document

Returns the image as a byte[].

Usage

From source file:com.idetronic.subur.service.impl.AuthorLocalServiceImpl.java

License:Open Source License

public Author updatePortrait(long authorId, byte[] bytes) throws PortalException, SystemException {

    Author author = authorPersistence.findByPrimaryKey(authorId);

    long imageMaxSize = Long.valueOf(PortletProps.get("author.image.max.size"));

    if ((imageMaxSize > 0) && ((bytes == null) || (bytes.length > imageMaxSize))) {

        throw new UserPortraitSizeException();
    }//  w w  w. ja va 2  s . c om

    long portraitId = author.getPortraitId();

    if (portraitId <= 0) {
        portraitId = counterLocalService.increment();

        author.setPortraitId(portraitId);
    }

    try {
        ImageBag imageBag = ImageToolUtil.read(bytes);

        RenderedImage renderedImage = imageBag.getRenderedImage();

        if (renderedImage == null) {
            throw new UserPortraitTypeException();
        }
        int maxHeight = Integer.valueOf(PortletProps.get("author.image.max.height"));
        int maxWidth = Integer.valueOf(PortletProps.get("author.image.max.width"));
        renderedImage = ImageToolUtil.scale(renderedImage, maxHeight, maxWidth);

        String contentType = imageBag.getType();

        imageLocalService.updateImage(portraitId, ImageToolUtil.getBytes(renderedImage, contentType));
    } catch (IOException ioe) {
        throw new ImageSizeException(ioe);
    }
    authorPersistence.update(author);

    return author;
}

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From source file:com.inikah.slayer.service.impl.PhotoLocalServiceImpl.java

License:Open Source License

private void minifyPhoto(Image image, long thumbnailId, float newWidth) {
    ImageBag imageBag = null;/*  w w w .j  a  v a2 s.  c o m*/
    try {
        imageBag = ImageToolUtil.read(image.getTextObj());
    } catch (IOException e) {
        e.printStackTrace();
    }
    if (Validator.isNull(imageBag))
        return;

    RenderedImage renderedImage = imageBag.getRenderedImage();

    float reduceBy = (newWidth / (float) image.getWidth());

    long height = Math.round(image.getHeight() * reduceBy);
    long width = Math.round(image.getWidth() * reduceBy);
    renderedImage = ImageToolUtil.scale(renderedImage, (int) height, (int) width);

    byte[] bytes = null;
    try {
        bytes = ImageToolUtil.getBytes(renderedImage, image.getType());
    } catch (IOException e) {
        e.printStackTrace();
    }

    if (Validator.isNotNull(bytes)) {
        try {
            imageLocalService.updateImage(thumbnailId, bytes);
        } catch (PortalException e) {
            e.printStackTrace();
        } catch (SystemException e) {
            e.printStackTrace();
        }
    }
}

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From source file:com.liferay.image.uploader.web.internal.portlet.action.UploadImageMVCActionCommand.java

License:Open Source License

protected FileEntry saveTempImageFileEntry(ActionRequest actionRequest) throws Exception {

    try {/*from   ww  w.  ja v  a  2 s. c o  m*/
        FileEntry tempFileEntry = UploadImageUtil.getTempImageFileEntry(actionRequest);

        try (InputStream tempImageStream = tempFileEntry.getContentStream()) {

            ImageBag imageBag = ImageToolUtil.read(tempImageStream);

            RenderedImage renderedImage = imageBag.getRenderedImage();

            String cropRegionJSON = ParamUtil.getString(actionRequest, "cropRegion");

            if (Validator.isNotNull(cropRegionJSON)) {
                JSONObject jsonObject = JSONFactoryUtil.createJSONObject(cropRegionJSON);

                int height = jsonObject.getInt("height");
                int width = jsonObject.getInt("width");
                int x = jsonObject.getInt("x");
                int y = jsonObject.getInt("y");

                if ((x == 0) && (y == 0) && (renderedImage.getHeight() == height)
                        && (renderedImage.getWidth() == width)) {

                    return tempFileEntry;
                }

                if ((height + y) > renderedImage.getHeight()) {
                    height = renderedImage.getHeight() - y;
                }

                if ((width + x) > renderedImage.getWidth()) {
                    width = renderedImage.getWidth() - x;
                }

                renderedImage = ImageToolUtil.crop(renderedImage, height, width, x, y);
            }

            byte[] bytes = ImageToolUtil.getBytes(renderedImage, imageBag.getType());

            ThemeDisplay themeDisplay = (ThemeDisplay) actionRequest.getAttribute(WebKeys.THEME_DISPLAY);

            File file = FileUtil.createTempFile(bytes);

            try {
                TempFileEntryUtil.deleteTempFileEntry(themeDisplay.getScopeGroupId(), themeDisplay.getUserId(),
                        UploadImageUtil.getTempImageFolderName(), getTempImageFileName(actionRequest));
            } catch (Exception e) {
            }

            return TempFileEntryUtil.addTempFileEntry(themeDisplay.getScopeGroupId(), themeDisplay.getUserId(),
                    UploadImageUtil.getTempImageFolderName(), getTempImageFileName(actionRequest), file,
                    tempFileEntry.getMimeType());
        }
    } catch (NoSuchFileEntryException nsfee) {
        throw new UploadException(nsfee);
    } catch (NoSuchRepositoryException nsre) {
        throw new UploadException(nsre);
    }
}

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From source file:com.liferay.image.uploader.web.internal.portlet.action.UploadImageMVCResourceCommand.java

License:Open Source License

protected void serveTempImageFile(MimeResponse mimeResponse, InputStream tempImageStream) throws Exception {

    ImageBag imageBag = ImageToolUtil.read(tempImageStream);

    byte[] bytes = ImageToolUtil.getBytes(imageBag.getRenderedImage(), imageBag.getType());

    String contentType = MimeTypesUtil.getExtensionContentType(imageBag.getType());

    mimeResponse.setContentType(contentType);

    PortletResponseUtil.write(mimeResponse, bytes);
}

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From source file:com.liferay.portlet.documentlibrary.service.impl.DLFileEntryLocalServiceImpl.java

License:Open Source License

public void updateSmallImage(long smallImageId, long largeImageId) throws PortalException, SystemException {

    try {/*from   www  .  ja va 2 s  . co  m*/
        RenderedImage renderedImage = null;

        Image largeImage = imageLocalService.getImage(largeImageId);

        byte[] bytes = largeImage.getTextObj();
        String contentType = largeImage.getType();

        if (bytes != null) {
            ImageBag imageBag = ImageToolUtil.read(bytes);

            renderedImage = imageBag.getRenderedImage();

            //validate(bytes);
        }

        if (renderedImage != null) {
            int height = PrefsPropsUtil.getInteger(PropsKeys.DL_FILE_ENTRY_THUMBNAIL_MAX_HEIGHT);
            int width = PrefsPropsUtil.getInteger(PropsKeys.DL_FILE_ENTRY_THUMBNAIL_MAX_WIDTH);

            RenderedImage thumbnailRenderedImage = ImageToolUtil.scale(renderedImage, height, width);

            imageLocalService.updateImage(smallImageId,
                    ImageToolUtil.getBytes(thumbnailRenderedImage, contentType));
        }
    } catch (IOException ioe) {
        throw new ImageSizeException(ioe);
    }
}

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From source file:com.liferay.portlet.documentlibrary.util.DLPreviewableProcessor.java

License:Open Source License

protected void storeThumbnailImage(FileVersion fileVersion, RenderedImage renderedImage, int index)
        throws Exception {

    if (!isThumbnailEnabled(index) || hasThumbnail(fileVersion, index)) {
        return;//from   w w w . j  av  a 2 s  . co  m
    }

    String type = getThumbnailType(fileVersion);

    String maxHeightPropsKey = PropsKeys.DL_FILE_ENTRY_THUMBNAIL_MAX_HEIGHT;
    String maxWidthPropsKey = PropsKeys.DL_FILE_ENTRY_THUMBNAIL_MAX_WIDTH;

    if (index == THUMBNAIL_INDEX_CUSTOM_1) {
        maxHeightPropsKey = PropsKeys.DL_FILE_ENTRY_THUMBNAIL_CUSTOM_1_MAX_HEIGHT;
        maxWidthPropsKey = PropsKeys.DL_FILE_ENTRY_THUMBNAIL_CUSTOM_1_MAX_WIDTH;
    } else if (index == THUMBNAIL_INDEX_CUSTOM_2) {
        maxHeightPropsKey = PropsKeys.DL_FILE_ENTRY_THUMBNAIL_CUSTOM_2_MAX_HEIGHT;
        maxWidthPropsKey = PropsKeys.DL_FILE_ENTRY_THUMBNAIL_CUSTOM_2_MAX_WIDTH;
    }

    RenderedImage thumbnailRenderedImage = ImageToolUtil.scale(renderedImage,
            PrefsPropsUtil.getInteger(maxHeightPropsKey), PrefsPropsUtil.getInteger(maxWidthPropsKey));

    byte[] bytes = ImageToolUtil.getBytes(thumbnailRenderedImage, type);

    File file = null;

    try {
        file = FileUtil.createTempFile(bytes);

        addFileToStore(fileVersion.getCompanyId(), THUMBNAIL_PATH,
                getThumbnailFilePath(fileVersion, type, index), file);
    } finally {
        FileUtil.delete(file);
    }
}

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