On Sep 1, 2010, at 1:48 PM, Simon Fraser wrote: > On Sep 1, 2010, at 1:04 PM, Chris Marrin wrote: > >> On Sep 1, 2010, at 12:29 PM, Maciej Stachowiak wrote: >> >>> On Sep 1, 2010, at 11:43 AM, Chris Marrin wrote: >>> >>>> >>>> But I agree with Maciej that all of the public API is transformation >>>> oriented. Even things like inverse() and transpose() have application in >>>> doing transforms. I think it would be a stretch to use this 4x4 matrix for >>>> general purposes. A general matrix class usually has to deal with >>>> different dimensions, for instance. >>>> >>>> But I am loath to call it HomogeneousTransform, given the fact that Maciej >>>> and I have spelled it differently (both are accepted spellings) and it >>>> will be really hard for people to get used to spelling such an uncommon >>>> word. >>>> >>>> If you look at the "Uses" section of >>>> http://en.wikipedia.org/wiki/Transformation_matrix you'll see that they >>>> consider the term improper as well. And they have a good point. Since they >>>> recommend the term "general transformation matrix" to distinguish it from >>>> the more restricted "affine transformation", then simply calling it >>>> Transform seems appropriate. >>> >>> Transform sounds ok to me, actually, even though it is a little broad. >> >> Filed as https://bugs.webkit.org/show_bug.cgi?id=45051. I also opened >> https://bugs.webkit.org/show_bug.cgi?id=45052 for the work to change >> Transform back to floats. I'm not sure we've fully committed to do this, but >> I wanted it recorded in the bug list. We can invalidate it if we don't end >> up doing it. > > SVG already has SVGTransform, the interface for one of the component > transformations within an SVGTransformList, which has an SVGMatrix property, > which represents the matrix. > > I think Transform is going to get too easily confused with existing transform > terminology related to CSS and SVG transforms, and maybe XSLT too.
Alternative? ----- ~Chris cmar...@apple.com _______________________________________________ webkit-dev mailing list webkit-dev@lists.webkit.org http://lists.webkit.org/mailman/listinfo.cgi/webkit-dev
