Example usage for com.liferay.portal.util PropsValues DL_FILE_ENTRY_PREVIEW_DOCUMENT_MAX_HEIGHT

Introduction

In this page you can find the example usage for com.liferay.portal.util PropsValues DL_FILE_ENTRY_PREVIEW_DOCUMENT_MAX_HEIGHT.

Prototype

int DL_FILE_ENTRY_PREVIEW_DOCUMENT_MAX_HEIGHT

To view the source code for com.liferay.portal.util PropsValues DL_FILE_ENTRY_PREVIEW_DOCUMENT_MAX_HEIGHT.

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Usage

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

License:Open Source License

private void _generateImagesIM(FileVersion fileVersion, File file, boolean thumbnail) throws Exception {

    // Generate images

    String tempFileId = DLUtil.getTempFileId(fileVersion.getFileEntryId(), fileVersion.getVersion());

    IMOperation imOperation = new IMOperation();

    imOperation.alpha("off");

    imOperation.density(PropsValues.DL_FILE_ENTRY_PREVIEW_DOCUMENT_DPI,
            PropsValues.DL_FILE_ENTRY_PREVIEW_DOCUMENT_DPI);

    if (PropsValues.DL_FILE_ENTRY_PREVIEW_DOCUMENT_MAX_HEIGHT != 0) {
        imOperation.adaptiveResize(PropsValues.DL_FILE_ENTRY_PREVIEW_DOCUMENT_MAX_WIDTH,
                PropsValues.DL_FILE_ENTRY_PREVIEW_DOCUMENT_MAX_HEIGHT);
    } else {// w  w  w.j av a 2 s  .c  om
        imOperation.adaptiveResize(PropsValues.DL_FILE_ENTRY_PREVIEW_DOCUMENT_MAX_WIDTH);
    }

    imOperation.depth(PropsValues.DL_FILE_ENTRY_PREVIEW_DOCUMENT_DEPTH);

    if (thumbnail) {
        imOperation.addImage(file.getPath() + "[0]");
        imOperation.addImage(getThumbnailTempFilePath(tempFileId));
    } else {
        imOperation.addImage(file.getPath());
        imOperation.addImage(getPreviewTempFilePath(tempFileId, -1));
    }

    if (_log.isInfoEnabled()) {
        _log.info("Excecuting command 'convert " + imOperation + "'");
    }

    if (PropsValues.DL_FILE_ENTRY_PREVIEW_FORK_PROCESS_ENABLED) {
        ProcessCallable<String> processCallable = new ImageMagickProcessCallable(_globalSearchPath,
                imOperation.getCmdArgs());

        ProcessExecutor.execute(processCallable, ClassPathUtil.getPortalClassPath());
    } else {
        _convertCmd.run(imOperation);
    }

    // Store images

    if (thumbnail) {
        File thumbnailTempFile = getThumbnailTempFile(tempFileId);

        try {
            storeThumbnailImages(fileVersion, thumbnailTempFile);
        } finally {
            FileUtil.delete(thumbnailTempFile);
        }
    } else {

        // ImageMagick converts single page PDFs without appending an
        // index. Rename file for consistency.

        File singlePagePreviewFile = getPreviewTempFile(tempFileId, -1);

        if (singlePagePreviewFile.exists()) {
            singlePagePreviewFile.renameTo(getPreviewTempFile(tempFileId, 1));
        }

        int total = getPreviewTempFileCount(fileVersion);

        for (int i = 0; i < total; i++) {
            File previewTempFile = getPreviewTempFile(tempFileId, i + 1);

            try {
                addFileToStore(fileVersion.getCompanyId(), PREVIEW_PATH, getPreviewFilePath(fileVersion, i + 1),
                        previewTempFile);
            } finally {
                FileUtil.delete(previewTempFile);
            }
        }
    }
}

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

License:Open Source License

private void _generateImagesPB(FileVersion fileVersion, PDPage pdPage, int index) throws Exception {

    // Generate images

    RenderedImage renderedImage = pdPage.convertToImage(BufferedImage.TYPE_INT_RGB,
            PropsValues.DL_FILE_ENTRY_PREVIEW_DOCUMENT_DPI);

    if (PropsValues.DL_FILE_ENTRY_PREVIEW_DOCUMENT_MAX_HEIGHT != 0) {
        renderedImage = ImageToolUtil.scale(renderedImage, PropsValues.DL_FILE_ENTRY_PREVIEW_DOCUMENT_MAX_WIDTH,
                PropsValues.DL_FILE_ENTRY_PREVIEW_DOCUMENT_MAX_HEIGHT);
    } else {//from   w w w.j a  va2  s. co m
        renderedImage = ImageToolUtil.scale(renderedImage,
                PropsValues.DL_FILE_ENTRY_PREVIEW_DOCUMENT_MAX_WIDTH);
    }

    // Store images

    if (index == 0) {
        storeThumbnailImages(fileVersion, renderedImage);
    } else {
        File tempFile = null;

        try {
            String tempFileId = DLUtil.getTempFileId(fileVersion.getFileEntryId(), fileVersion.getVersion());

            tempFile = getPreviewTempFile(tempFileId, index);

            tempFile.createNewFile();

            ImageIO.write(renderedImage, PREVIEW_TYPE, new FileOutputStream(tempFile));

            addFileToStore(fileVersion.getCompanyId(), PREVIEW_PATH, getPreviewFilePath(fileVersion, index),
                    tempFile);
        } finally {
            FileUtil.delete(tempFile);
        }
    }
}

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