Download or read book PNG written by Greg Roelofs and published by O'Reilly Media. This book was released on 1999 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: From a senior researcher who helped design the PNG image format comes a guide that focuses on implementing PNG with the libpng C library and discusses improvements, such as gamma correction and the standard color spaces for precise reproduction of image colors on a wide range of systems.