Re: 4x4 matrices in Cairo
Bill Spitzak <[email protected]>
| Newsgroups | gmane.comp.lib.cairo |
|---|---|
| Message-ID | <[email protected]> |
James Cloos wrote: > Perspective transforms for 2D require arbitrary 3x3 matrices and [x,y,z] > vectors Actually the 3x3 matrix can only handle [x,y,1] vectors. The last number is the W, not the Z. The Z is effectively zero. I still think Cairo only needs to support 3x3 matrix though. -- cairo mailing list [email protected] http://lists.cairographics.org/mailman/listinfo/cairo