Linux Today - The Register: Apple patents perturb PNG programmers
T. Porter, T. Duff. Compositing digital images. SIGGRAPH, 18(3), July 1984, 253-259. http://www.siggraph.org/s98/conference/keynote/bli nn.html...
Compositing digital images
Thomas Porter, Computer Graphics Project, Lucasfilm Ltd... Eduard Gröller , René T. Rau , Wolfgang Straβer, Modeling and Visualization of Knitwear,...
Java 2 Platform SE v1.3.1: Class AlphaComposite
The rules implemented by this class are a subset of the Porter-Duff rules described in T. Porter and T. Duff, "Compositing Digital Images", SIGGRAPH 84,...
Merging and Transformation of Raster Images for Cartoon Animation
[3] Porter, T., Duff., T., Compositing digital images, Proc. ACM SIGGRAPH '84, Vol. 18, No. 3, 1984, ACM, pp. 253-259. [4] Cook, R., Shade Trees, Proc...
Magic with Merlin: Porter-Duff rules!
The actual combinations will vary if the images aren't opaque... Read about the different Porter-Duff rules in the original SigGraph paper...
AlphaComposite (Java 2 Platform SE 5.0)
The specific rules implemented by this class are the basic set of 12 rules described in T. Porter and T. Duff, "Compositing Digital Images", SIGGRAPH 84,...
