W3C: PNG - W3C overview of PNG. Includes browser tests to see if gamma and alpha work correctly.
PNG - Information, applications, and code relating to the PNG image format.
The Story of PNG - An article detailing the history of the PNG format.
Explorer versus PNG (AlphaImageLoader) - Information on displaying transparent and translucent (alpha channel) PNGs in Internet Explorer and other browsers.
PNG-Tech - A collection of comments, impressions, comparisons, experiments and ideas regarding the PNG (Portable Network Graphics) file format, and related technologies: ZLIB (Data Compression Format and Library), and MNG (Multiple-Image Network Graphics). It is focused on the compression algorithms used in PNG.
MSDN - AlphaImageLoader Filter - Displays an image within the boundaries of the object and between the object background and content, with options to clip or resize the image. When loading a Portable Network Graphics (PNG) image, transparency from zero to 100 percent is supported.
PNG Tips for Cartoonists - Article written to encourage cartoonists to use PNG and to share tips on exploiting PNG's strengths.
PNG Resources of the Miscellaneous Persuasion - Links to images, mailing lists, test images, PNG and image compression documents, comics and websites using PNGs, the official site, and some unofficial resource sites.
The Sad Story of PNG Gamma Correction - Explains how PNG gamma "correction" causes color mismatches with other colors on web pages.
Portable Network Graphics - PNG - Thorough introduction to PNG image format.
Open Source Graphics with PNG - Joe Barr discusses PNG, the new open source file format, and the Unisys/CompuServe/GIF controversy. [LinuxWorld]
|