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| author | Joel Bodenmann <joel@embedded.pro> | 2016-11-14 17:54:41 +0100 |
|---|---|---|
| committer | Joel Bodenmann <joel@embedded.pro> | 2016-11-14 17:59:16 +0100 |
| commit | 152e7e7e26beb4fb3db123a5f49dae7025737666 (patch) | |
| tree | 86e42637064b680b587b844657ebba4198a30c43 /src/gmisc/gmisc.h | |
| parent | 7f79b89eda65e2529128710168a5b1de431ff7f0 (diff) | |
| download | uGFX-152e7e7e26beb4fb3db123a5f49dae7025737666.tar.gz uGFX-152e7e7e26beb4fb3db123a5f49dae7025737666.tar.bz2 uGFX-152e7e7e26beb4fb3db123a5f49dae7025737666.zip | |
Adding gmiscHittestPoly()
Diffstat (limited to 'src/gmisc/gmisc.h')
| -rw-r--r-- | src/gmisc/gmisc.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/gmisc/gmisc.h b/src/gmisc/gmisc.h index c8b4c21f..f805345c 100644 --- a/src/gmisc/gmisc.h +++ b/src/gmisc/gmisc.h @@ -464,6 +464,25 @@ extern "C" { #endif #endif + +#if GMISC_NEED_HITTEST_POLY || defined(__DOXYGEN__) + /** + * @brief Check whether a point is inside or on the edge of a polygon + * @pre Requires GFX_USE_GMISC and GMISC_NEED_HITTEST_POLY + * + * @note This function works both with convex and concave polygons + * + * @param[in] pntarray The array of points that form the polygon + * @param[in] cnt The number of points in the point array @pntarray + * @param[in] p The point to test + * + * @return @p TRUE if the point @p p is inside or on the edge of the polygon @p pntarray, @p FALSE otherwise. + * + * @api + */ + bool_t gmiscHittestPoly(const point *pntarray, unsigned cnt, const point *p); +#endif // GMISC_NEED_HITTEST_POLY + #ifdef __cplusplus } #endif |