Almost any document or image format (including images) can be converted to a black-and-white or grayscale monochrome image. In this article, we will discuss how to convert color PDF documents to grayscale JPG and PNG image formats in Java.
Adjust Contrast when Converting a Document to Image
Up till now, there was a simple document to image conversion process. With the GroupDocs.Conversion for Java release version 19.10, we’ve added a number of interesting features for image conversion.
Set color mode when converting to JPEG Option to set compression mode Adjust image brightness and contrast Set gamma Option to flip image Have a look at its implementation of the above features in Java
Conversion from CDR CDR is a vector graphics file.