Dongfeng to image conversion function is to increase production from existing PDF documents, there is nothing better image quality. The text and other content output image quality is improved. Text and images extracted from another part of the main features in this regard, we have made some improvements as well as the version of the PdfExtractor classes. Text can easily extract protected PDF documents.
While I do not intend to re-concept of the original article, I will again, the concept behind the PDF format, to illustrate the need to add images and 'round rectangles'.
This is a PDF format of the tag will generate if you download and run the attached code sample.
Do not forget, even if you can read a text editor marks, is a PDF is actually a binary file, (not including the simplest case) must be treated as such.
The first version of the TIFF specification was published in the autumn of 1986, two major versions ago, introduced by the Aldus Corporation. It can be marked as revision 3.0. This is the first published in a variety of scanner manufacturers and software developers a series of meetings. April 1987 release version 4.0, which contains many small enhancements. October 1988 release version 5.0, it increases the palette color images and LZW compression support.
Related knowledge of photo editing software:
Convert image to pdf with Graphics2PDF
Convert TIFF to PDF by Ultra Tiff2PDF
Pdf Converters - GIMP vs XeTeX
A Free and Contains tool named SWFTools
Some Easy-to-use PDF Converters
PDF Form, Text and Image Extraction
processing of PDF documents with leading edge technology