using?System;
using?System.Collections.Generic;
using?System.Text;
using?System.Drawing;

namespace?CAD
{
????[Serializable]
????public?abstract?class?baseShape
????{
????????private?bool?isSelected?=?false;//標識圖形是否被選中
????????
????????private?Point?p1;//第一個點
????????private?Point?p2;//第二個點

????????public??Color?penColor;
????????public??int?penwidth?;

????????public?void?setSelected（）//設置為選中狀態
????????{
????????????this.isSelected?=?true;
????????}
????????public?void?setUnSelected（）//設置為非選中狀態
????????{
????????????this.isSelected?=?false;
????????}
????????public?Point?getP1（）
????????{
????????????return?p1;
????????}
????????public?void?setP1（Point?p1）
????????{
????????????this.p1?=?p1;
????????}
????????public?Point?getP2（）
????????{
????????????return?p2;
????????}
????????public?void?setP2（Point?p2）
????????{
????????????this.p2?=?p2;
????????}

????????public?abstract?void?draw（Graphics?g）;//畫圖形

????????public?abstract?Point[]?getAllHitPoint（）;//得到所有圖形
????????public?abstract?void?setHitPoint（int?hitPointIndex?Point?newPoint）;//設定熱點
????????public?abstract?baseShape?copySelf（）;//復制


????????public?bool?catchHitPoint（Point?hitPoint?Point?testPoint）//測試熱點捕捉
????????{
????????????return?this.getHitPointRectangle（hitPoint）.Contains（testPoint）;
????????}

????????public?int?catchShapPoint（Point?testPoint）//捕捉圖形
????????{
????????????int?hitPointIndex?=?-1;
????????????Point[]?allHitPoint?=?this.getAllHitPoint（）;//的到所有的熱點
????????????for?（int?i?=?0;?i?????????????{
????????????????if?（this.catchHitPoint（allHitPoint[i]?testPoint））
????????????????{
????????????????????return?i?+?1;//如果捕捉到了熱點，返回熱點的索引
????????????????}
????????????}
????????????if（this.catchShape（testPoint））?return?0;//沒有捕捉到熱點，捕捉到了圖形，返回特別熱點
????????????return?hitPointIndex;//返回捕捉到的人點
????????????}
????????public?void?drawHitPoint（Point?hitPoint?Graphics?g）//畫熱點
????????{
????????????g.DrawRectangle（new?Pen（Color.Red1）?this.getHitPointRectangle（hitPoint））;
????????}

????????public?void?drawAllHitPoint（Graphics?g）//畫所有熱點
????????{
????????????Point[]?allHitPoint=this.getAllHitPoint（）;
????????????for（int?i=0;i<2;i++）
????????????{
????????????????this.drawHitPoint（allHitPoint[i]g）;
????????????}
????????}

????????public?Rectangle?getHitPointRectangle（Point?hitPoint）//得到熱點矩形，以熱點為中心高寬5像素的矩形
????????{
????????????Rectangle?rect=new?Rectangle（）;
????????????rect.X=hitPoint.X-2;
????????????rect.Y=hitPoint.Y-2;
????????????rect.Width=5;
????????????rect.Height=5;
????????????return?rect;
????????}

????????public?abstract?bool?catchShape（Point?testPoint）;//圖形捕捉

????????public?void?superDraw（Graphics?g）//公共畫法
????????{
????????????if（this.isSelected）?this.drawAllHitPoint（g）;
????????}

????????public?static?Pen?getPen（CADframe?objCAD）//得到畫筆
????????{
????????????return?new?Pen（objCAD.clrobjCAD.lineWidth）;
????????}
????}
}

?屬性????????????大小?????日期????時間???名稱
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