diff options
| author | Keith Packard <keithp@keithp.com> | 2008-03-17 23:03:56 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2008-11-24 13:24:38 -0800 |
| commit | 160252d94f04acc95f0a4e0f884ff565a5aa0744 (patch) | |
| tree | 4f9a12e03b2b8bf77379807ab17c2720f5edee5f /render/picturestr.h | |
| parent | 8fd82c88e3f2060fda4ba30376900ece77668c63 (diff) | |
Add matrix inversion function (uses doubles)
The obvious matrix inversion function, coded using doubles to avoid fiddling
with fixed point precision adventures.
Diffstat (limited to 'render/picturestr.h')
| -rw-r--r-- | render/picturestr.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/render/picturestr.h b/render/picturestr.h index 60be68ab8..658e221b4 100644 --- a/render/picturestr.h +++ b/render/picturestr.h @@ -720,6 +720,9 @@ void PictureTransformBounds (BoxPtr b, PictTransformPtr matrix); Bool +PictureTransformInvert (PictTransformPtr dst, const PictTransformPtr src); + +Bool PictureTransformIsIdentity(PictTransform *t); Bool |