using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Input;
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namespace XHandler.Controls.DrawCanvas
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{
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/// <summary>
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/// 绘制工具接口
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/// </summary>
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public interface IDrawTool
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{
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/// <summary>
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/// 触摸Id，用于分辨多点触摸，0表示鼠标
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/// </summary>
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Int32 TouchId { get; }
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/// <summary>
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/// 是否可以处理鼠标进入事件
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/// </summary>
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Boolean CanTouchEnter { get; }
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/// <summary>
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/// 处理鼠标进入事件
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/// </summary>
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/// <param name="point">相对画布的点</param>
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/// <returns>事件是否已处理</returns>
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Boolean OnTouchEnter(Point point);
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/// <summary>
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/// 是否可以处理鼠标离开事件
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/// </summary>
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Boolean CanTouchLeave { get; }
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/// <summary>
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/// 处理鼠标离开事件
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/// </summary>
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/// <param name="point">相对画布的点</param>
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/// <returns>事件是否已处理</returns>
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Boolean OnTouchLeave(Point point);
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/// <summary>
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/// 是否可以处理鼠标按下事件
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/// </summary>
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Boolean CanTouchDown { get; }
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/// <summary>
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/// 执行鼠标按下事件
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/// </summary>
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/// <param name="touchId">触摸Id，用于分辨多点触摸，0表示鼠标</param>
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/// <param name="point">相对画布的点</param>
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/// <returns>事件是否已处理</returns>
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Boolean OnTouchDown(Int32 touchId, Point point);
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/// <summary>
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/// 是否可以处理鼠标移动事件
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/// </summary>
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Boolean CanTouchMove { get; }
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/// <summary>
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/// 执行鼠标移动事件
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/// </summary>
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/// <param name="point">相对画布的点</param>
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/// <returns>事件是否已处理</returns>
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Boolean OnTouchMove(Point point);
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/// <summary>
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/// 是否可以处理鼠标弹起事件
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/// </summary>
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Boolean CanTouchUp { get; }
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/// <summary>
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/// 执行鼠标弹起事件
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/// </summary>
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/// <param name="point">相对画布的点</param>
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/// <returns>事件是否已处理</returns>
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Boolean OnTouchUp(Point point);
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/// <summary>
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/// 是否可以处理键盘按下事件
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/// </summary>
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Boolean CanKeyDown { get; }
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/// <summary>
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/// 处理键盘按下事件
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/// </summary>
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/// <param name="key"></param>
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/// <returns>事件是否已处理</returns>
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Boolean OnKeyDown(Key key);
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/// <summary>
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/// 是否可以处理键盘弹起事件
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/// </summary>
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Boolean CanKeyUp { get; }
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/// <summary>
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/// 处理键盘弹起事件
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/// </summary>
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/// <param name="key"></param>
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/// <returns>事件是否已处理</returns>
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Boolean OnKeyUp(Key key);
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/// <summary>
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/// 是否结束
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/// </summary>
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Boolean IsFinish { get; }
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/// <summary>
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/// 画图工具类型
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/// </summary>
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DrawToolType DrawingToolType { get; }
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}
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}
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