public Circle(Point c, int r, FormPaint form)
{
f = form;
graphicType = "Circle";
center = c;
radius = r;
points = Points();
}
public Ellipse(Point c, int x, int y, FormPaint form)
{
f = form;
graphicType = "Ellipse";
center = c;
rx = x;
ry = y;
points = Points();
}
public DashedRectangle(int tx, int ty, int w, int h, FormPaint form)
{
f = form;
graphicType = "DashedRectangle";
x = tx;
y = ty;
width = w;
height = h;
points = Points();
}
// 多边形的几个顶点
public Polygon(List <Point> lp, FormPaint form)
{
f = form;
graphicType = "Polygon";
// 由于我们的多边形在构造时是单击记录一个顶点
// 最后一个顶点是以双击来记录的
// 但是这样子经常会导致最后一个点被记录两次，具体原因我还没搞清楚
// 因此为了避免之后的裁剪出现问题，我们在这里就要清除重复的点
// make a deep copy of the list
vertices = Helper.RemoveDuplicatedPoint(lp);
// 多边形边界上的点
points = Points();
}
public BresenhamLine(Point pa, Point pb, FormPaint form) : base(pa, pb)
{
graphicType = "Bresenham";
f = form;
points = Points();
}
public BresenhamLine(List <Point> lp, FormPaint form) : base(lp)
{
graphicType = "Bresenham";
f = form;
points = Points();
}
public Block(List <Point> l, FormPaint form)
{
f = form;
graphicType = "Block";
points = l;
}
public Bspline(List <Point> lp, FormPaint form) : base(lp)
{
graphicType = "Bspline";
f = form;
}
public Bezier(List <Point> lp, FormPaint form) : base(lp)
{
graphicType = "Bezier";
f = form;
}
public DDALine(Point pa, Point pb, FormPaint form) : base(pa, pb)
{
graphicType = "DDA";
f = form;
points = Points();
}
public DDALine(List <Point> lp, FormPaint form) : base(lp)
{
graphicType = "DDA";
f = form;
points = Points();
}