private List getThumbnails()

in thumbnails4j-xlsx/src/main/java/co/elastic/thumbnails4j/xlsx/XLSXThumbnailer.java [71:80]


    private List<BufferedImage> getThumbnails(Workbook workbook, List<Dimensions> dimensions) {
        XlsxToHtmlSerializer serializer = new XlsxToHtmlSerializer(workbook);
        byte[] htmlBytes =  serializer.getHtml();
        BufferedImage image = ThumbnailUtils.clipHtmlToImage(htmlBytes, ThumbnailUtils.getMaxInMemoryBuffer());
        List<BufferedImage> results = new ArrayList<>();
        for(Dimensions singleDimension: dimensions){
            results.add(ThumbnailUtils.scaleImage(image, singleDimension));
        }
        return results;
    }