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| author | Maximilian Albert <maximilian.albert@gmail.com> | 2007-08-26 17:56:46 +0000 |
|---|---|---|
| committer | cilix42 <cilix42@users.sourceforge.net> | 2007-08-26 17:56:46 +0000 |
| commit | 59e792a6ebbacb1ddaba1d9825772a75805cc6ab (patch) | |
| tree | c808a8882712250463c67c7230d60bdd578b5f18 /src/line-geometry.cpp | |
| parent | Rewrite of z-order code for 3D boxes, first stage (hopefully this is finally ... (diff) | |
| download | inkscape-59e792a6ebbacb1ddaba1d9825772a75805cc6ab.tar.gz inkscape-59e792a6ebbacb1ddaba1d9825772a75805cc6ab.zip | |
Various small cleanups
(bzr r3587)
Diffstat (limited to 'src/line-geometry.cpp')
| -rw-r--r-- | src/line-geometry.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/line-geometry.cpp b/src/line-geometry.cpp index 000da8a07..549defb2e 100644 --- a/src/line-geometry.cpp +++ b/src/line-geometry.cpp @@ -121,9 +121,14 @@ bool lies_in_sector (NR::Point const &v1, NR::Point const &v2, NR::Point const & return (coords.first >= 0 and coords.second >= 0); } -static double pos_angle (NR::Point A, NR::Point B) +bool lies_in_quadrangle (NR::Point const &A, NR::Point const &B, NR::Point const &C, NR::Point const &D, NR::Point const &pt) { - return fabs (NR::atan2 (A) - NR::atan2 (B)); + return (lies_in_sector (D - A, B - A, pt - A) && lies_in_sector (D - C, B - C, pt - C)); +} + +static double pos_angle (NR::Point v, NR::Point w) +{ + return fabs (NR::atan2 (v) - NR::atan2 (w)); } /* |