basicgraphic.js

ASP企业网络管理系统

// 基本曲线
System.LoadUnit("Line");
function Beeline(p1,p2,c,w)
{
	if(p1.X <= p2.X)
	{
		this.Start = p1;
		this.End = p2;
	}
	else
	{
		this.Start = p2;
		this.End = p1;
	}
	this.Color = c;
	this.Width = w;
	this.Line = new Line(c,w);
	this.Line.uMax = this.End.X-this.Start.X;
	this.Line.ExpX = this.Start.X + "+u";
	this.Line.ExpY = this.Start.Y + "+(" + (this.End.Y-this.Start.Y)/(this.End.X-this.Start.X) + ")*u";
	this.Draw = function()
	{
		if((this.Start.X == this.End.X) || (this.Start.Y == this.End.Y))
			this.Line.DrawLine(new Rect(this.Start,(this.End.X-this.Start.X),(this.End.Y-this.Start.Y)));
		else
			this.Line.Draw();
	}
}
function Rectangle(x,y,w,h,c,lw)
{
	this.X = x;
	this.Y = y;
	this.Width = w;
	this.Height = h;
	this.LineColor = c;
	this.LineWidth = lw;
	this.TopLeft = function(){return new Point(x,y+h)};
	this.TopRight = function(){return new Point(x+w,y+h)};
	this.BottomLeft = function(){return new Point(x,y)};
	this.BottomRight = function(){return new Point(x+w,y)};
	this.Draw = function()
	{
		(new Beeline(this.TopLeft(),this.TopRight(),this.LineColor)).Draw();
		(new Beeline(this.TopRight(),this.BottomRight(),this.LineColor)).Draw();
		(new Beeline(this.BottomRight(),this.BottomLeft(),this.LineColor)).Draw();
		(new Beeline(this.BottomLeft(),this.TopLeft(),this.LineColor)).Draw();
	}
}
function Polygon(arrP,close,clr)
{
	if(typeof(close)=="undefined")
		this.Close = true;
	else
		this.Close = close;
	this.Points = arrP;
	this.Color = clr;
	this.Draw = function()
	{
		var i;
		for(i=0;i<this.Points.length-1;i++)
		{
			(new Beeline(this.Points[i],this.Points[i+1],this.Color)).Draw();
		}
		if(this.Close)
			(new Beeline(this.Points[i],this.Points[0],this.Color)).Draw();
	}
}
function Circle(cen,r,c,w)
{
	this.Center = cen;
	this.Radius = r;
	this.Color = c;
	this.Width = w;
	this.Line = new Line(c,w);
	this.Line.uMax = 360;
	this.Line.ExpX = this.Center.X + "+" + this.Radius + "*Math.cos(u*Math.PI/180)";
	this.Line.ExpY = this.Center.Y + "+" + this.Radius + "*Math.sin(u*Math.PI/180)";
	this.Draw = function()
	{
		this.Line.Draw();
	}
}
function Arc(cen,r,ang,sAng,c,close,w)
{
	this.Center = cen;
	this.Radius = r;
	this.Angle = ang;
	this.Color = c;
	this.Width = w;
	this.Close = close;
	if(typeof(sAng)=="undefined")
		this.StartAngle = 0;
	else
		this.StartAngle = sAng;
	this.Circle = new Circle(cen,r,c,w);
	this.Draw = function()
	{
		this.Circle.Line.uMin = this.StartAngle
		this.Circle.Line.uMax = this.StartAngle+this.Angle;
		this.Circle.Draw();
		if(this.Close == true)
		  (new Polygon([new Point(this.Center.X+this.Radius*Math.cos(this.StartAngle*Math.PI/180),this.Center.Y+this.Radius*Math.sin(this.StartAngle*Math.PI/180)),this.Center,new Point(this.Center.X+this.Radius*Math.cos((this.StartAngle+this.Angle)*Math.PI/180),this.Center.Y+this.Radius*Math.sin((this.StartAngle+this.Angle)*Math.PI/180))],false,this.Color)).Draw();
	}
}
function Text(p,text,size,clr)
{
	if((typeof(size)=="undefined") || (size==""))
		size = 12;
	if(typeof(clr)=="undefined")
		clr = "#000000";
	this.Point = p;
	this.Text = text;
	this.Color = clr;
	this.Size = size;
	this.Draw = function()
	{
		var l = Physic2Screen(this.Point.X,"x");
		var t = Physic2Screen(this.Point.Y,"y");
		document.write("<span style=\"position:absolute;left:"+l+";top:"+t+";font-size:"+this.Size+"px;color:"+this.Color+";\">"+this.Text+"</span>");
	}
}