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| author | lecoanet | 2000-01-26 13:39:20 +0000 |
|---|---|---|
| committer | lecoanet | 2000-01-26 13:39:20 +0000 |
| commit | 9d2861b8fb77adc89682633330b312b55acb0288 (patch) | |
| tree | 96e66a3d4b56f0257112ee73e27415c327b6060a /generic/Geo.h | |
| parent | 65c1342e3831bd04543e64c226ac6372bbaef905 (diff) | |
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*** empty log message ***
Diffstat (limited to 'generic/Geo.h')
| -rw-r--r-- | generic/Geo.h | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/generic/Geo.h b/generic/Geo.h index 28e3dae..00382ea 100644 --- a/generic/Geo.h +++ b/generic/Geo.h @@ -49,7 +49,7 @@ #define ABS(a) ((a) < 0 ? -(a) : (a)) #endif #ifndef M_PI -#define M_PI 3.14159265358979323846 +#define M_PI 3.14159265358979323846264338327 #endif #ifndef M_PI_2 #define M_PI_2 1.57079632679489661923 @@ -152,6 +152,24 @@ OvalInBBox(RadarPoint *center, RadarBBox *bbox); RadarBool +HorizLineToArc(RadarReal x1, + RadarReal x2, + RadarReal y, + RadarReal rx, + RadarReal ry, + RadarReal start_angle, + RadarReal angle_extent); + +RadarBool +VertLineToArc(RadarReal x, + RadarReal y1, + RadarReal y2, + RadarReal rx, + RadarReal ry, + RadarReal start_angle, + RadarReal angle_extent); + +RadarBool PointInAngle(int start_angle, int angle_extent, RadarPoint *p); @@ -220,6 +238,11 @@ InsetPolygon(RadarPoint *p, RadarDim inset); void +BezierSubdivide(RadarPoint *controls, + RadarReal t, + RadarBool first); + +void SmoothPathWithBezier(RadarList from_points, RadarList to_points); @@ -228,6 +251,12 @@ GetBezierPath(RadarList from_points, RadarList to_points); void +GetArcPath(RadarReal start_angle, + RadarReal end_angle, + int type, + RadarList to_points); + +void GetLineEnd(RadarPoint *p1, RadarPoint *p2, unsigned int line_width, |