/// <summary>
/// CvSURFPoint*から初期化
/// </summary>
/// <param name="ptr">CvSURFPoint*</param>
#else
/// <summary>
/// Initializes from native pointer
/// </summary>
/// <param name="ptr">CvSURFPoint*</param>
#endif
public CvSURFPoint(IntPtr ptr)
{
if (ptr == IntPtr.Zero)
{
throw new ArgumentNullException("ptr");
}
try
{
CvSURFPoint p = (CvSURFPoint)Marshal.PtrToStructure(ptr, typeof(CvSURFPoint));
Pt = p.Pt;
Laplacian = p.Laplacian;
Size = p.Size;
Dir = p.Dir;
Hessian = p.Hessian;
}
catch
{
throw new InvalidCastException();
}
}
/// <summary>
/// 箱の頂点を見つける
/// </summary>
/// <param name="box">箱</param>
/// <param name="pt">頂点の配列</param>
#else
/// <summary>
/// Finds box vertices
/// </summary>
/// <param name="box">Box</param>
/// <param name="pt">Array of vertices</param>
#endif
public static void BoxPoints(CvBox2D box, out CvPoint2D32f[] pt)
{
pt = new CvPoint2D32f[4];
NativeMethods.cvBoxPoints(box, pt);
// cvgeometry.cpp line 89~103
/*
* double angle = box.Angle * CvConst.CV_PI / 180.0;
* float a = (float)Math.Cos(angle)*0.5f;
* float b = (float)Math.Sin(angle)*0.5f;
*
* pt[0].X = box.Center.X - a * box.Size.Height - b * box.Size.Width;
* pt[0].Y = box.Center.Y + b * box.Size.Height - a * box.Size.Width;
* pt[1].X = box.Center.X + a * box.Size.Height - b * box.Size.Width;
* pt[1].Y = box.Center.Y - b * box.Size.Height - a * box.Size.Width;
* pt[2].X = 2 * box.Center.X - pt[0].X;
* pt[2].Y = 2 * box.Center.Y - pt[0].Y;
* pt[3].X = 2 * box.Center.X - pt[1].X;
* pt[3].Y = 2 * box.Center.Y - pt[1].Y;
* //*/
}
/*#if LANG_JP
* /// <summary>
* /// 既定の初期化
* /// </summary>
#else
* /// <summary>
* /// Default constructor
* /// </summary>
#endif
* public CvBox2D()
* {
* Center = default(CvPoint2D32f);
* Size = default(CvSize2D32f);
* Angle = default(float);
* }*/
#if LANG_JP
/// <summary>
/// 初期化
/// </summary>
/// <param name="center">箱の中心</param>
/// <param name="size">箱の幅と長さ</param>
/// <param name="angle">水平軸と始めの辺（長さ方向の辺）との角度（度）</param>
#else
/// <summary>
/// Constructor
/// </summary>
/// <param name="center"></param>
/// <param name="size"></param>
/// <param name="angle"></param>
#endif
public CvBox2D(CvPoint2D32f center, CvSize2D32f size, float angle)
{
Center = center;
Size = size;
Angle = angle;
}
/// <summary>
/// 初期化
/// </summary>
/// <param name="center">円の中心</param>
/// <param name="radius">半径</param>
#else
/// <summary>
/// Constructor
/// </summary>
/// <param name="center">center</param>
/// <param name="radius">radius</param>
#endif
public CvCircleSegment(CvPoint2D32f center, float radius)
{
this.Center = center;
this.Radius = radius;
}
/// <summary>
/// 指定した点と直線の距離を返す
/// </summary>
/// <param name="point"></param>
#else
/// <summary>
/// Returns the distance between this line and the specified point
/// </summary>
/// <param name="point"></param>
#endif
public double Distance(CvPoint2D32f point)
{
return(Distance(point.X, point.Y));
}
/// <summary>
/// ドロネー三角形に点を追加する (cvSubdiv2DLocate).
/// </summary>
/// <param name="pt">配置する点</param>
/// <param name="edge">出力される辺．配置した点は，その辺上または端に存在する.</param>
/// <param name="vertex">オプション出力．入力点と一致する細分割の頂点へのポインタのポインタ</param>
/// <returns>配置する点</returns>
#else
/// <summary>
/// Inserts a single point to Delaunay triangulation (cvSubdiv2DLocate).
/// </summary>
/// <param name="pt">The point to locate. </param>
/// <param name="edge">The output edge the point falls onto or right to. </param>
/// <param name="vertex">Optional output vertex double pointer the input point coinsides with. </param>
/// <returns></returns>
#endif
public CvSubdiv2DPointLocation Locate(CvPoint2D32f pt, out CvSubdiv2DEdge edge, ref CvSubdiv2DPoint vertex)
{
return(Cv.Subdiv2DLocate(this, pt, out edge, ref vertex));
}
/// <summary>
/// ドロネー三角形に点を追加する (cvSubdiv2DLocate).
/// </summary>
/// <param name="pt">配置する点</param>
/// <param name="edge">出力される辺．配置した点は，その辺上または端に存在する.</param>
/// <returns>配置する点</returns>
#else
/// <summary>
/// Inserts a single point to Delaunay triangulation (cvSubdiv2DLocate).
/// </summary>
/// <param name="pt">The point to locate. </param>
/// <param name="edge">The output edge the point falls onto or right to. </param>
/// <returns></returns>
#endif
public CvSubdiv2DPointLocation Locate(CvPoint2D32f pt, out CvSubdiv2DEdge edge)
{
return(Cv.Subdiv2DLocate(this, pt, out edge));
}
/// <summary>
/// ドロネー三角形に点を追加する (cvSubdivDelaunay2D).
/// </summary>
/// <param name="pt">追加する点</param>
/// <returns></returns>
#else
/// <summary>
/// Inserts a single point to Delaunay triangulation (cvSubdivDelaunay2D).
/// </summary>
/// <param name="pt">Inserted point. </param>
/// <returns></returns>
#endif
public CvSubdiv2DPoint Insert(CvPoint2D32f pt)
{
return(Cv.SubdivDelaunay2DInsert(this, pt));
}
/// <summary>
/// 与えられた点に最も近い細分割の頂点を求める. 入力点を細分割内に配置するもう一つの関数である．
/// この関数は入力された点に最も近い頂点を求める．
/// </summary>
/// <param name="pt">入力点</param>
/// <returns></returns>
#else
/// <summary>
/// Finds the closest subdivision vertex to given point
/// </summary>
/// <param name="pt">Input point. </param>
/// <returns></returns>
#endif
public CvSubdiv2DPoint FindNearestPoint2D(CvPoint2D32f pt)
{
return(Cv.FindNearestPoint2D(this, pt));
}