On Tue, Jun 3, 2014 at 6:13 AM, Benoit Jacob <[email protected]> wrote:
> > > > 2014-06-02 23:45 GMT-04:00 Rik Cabanier <[email protected]>: > > To recap I think the following points have been resolved: >> - remove determinant (unless someone comes up with a strong use case) >> - change is2D() so it's a flag instead of calculated on the fly >> - change isIdentity() so it's a flag. >> - update constructors so they set/copy the flags appropriately >> >> Still up for discussion: >> - rename isIdentity >> - come up with better way for the in-place transformations as opposed to >> "by" >> - is premultiply needed? >> >> > > This list misses some of the points that I care more about: > - Should DOMMatrix really try to be both 3D projective transformations > and 2D affine transformations or should that be split into separate classes? > Yes, DOMMatrix reflects the transform of DOM elements so it should contain both. I think the underlying implementation should move to use a 2d or 3d matrix so it avoids the pitfalls you mentioned. > - Should we really take SVG's matrix and other existing bad matrix APIs > and bless them and engrave them in the marble of The New HTML5 That Is Good > By Definition? > The platform is not helped by having multiple objects doing the same thing. We *could* support but deprecate the old API if people feel that having better names is worth the effort. _______________________________________________ dev-platform mailing list [email protected] https://lists.mozilla.org/listinfo/dev-platform
