using PaintDotNet.Annotation.Enum;
using System.Drawing;
using System.Windows.Forms;

namespace PaintDotNet.Annotation.Other
{
    /// <summary>
    /// 二值提取-交互操作-折线分割(需要绘制图形)
    /// </summary>
    public class ToolBinarySplitPolyLine : ToolObject
    {
        private static DrawBinarySplitPolyLine drawObject;

        public static void OnMouseDown(ISurfaceBox drawArea, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
            {
                Point p = GetEventPointInArea(drawArea, e.Location);
                if (drawObject == null)
                {
                    drawObject = new DrawBinarySplitPolyLine(drawArea, p.X, p.Y);
                    drawObject.ISurfaceBox = drawArea;
                    AddNewObject(drawArea, drawObject);
                }
                else
                {
                    drawObject.setNextPoint(p);
                }
                drawArea.Refresh();
            }
            else
            {
                //删除对象
                RemoveOldObject(drawArea, drawObject);
                //销毁对象
                drawObject = null;
                //处理连续绘制
                if (!drawArea.ContinuousBinaryAction())
                {
                    drawArea.ActiveTool = DrawToolType.Pointer;
                }
                OnMouseUpTwo(drawArea, e);
            }
        }

        public static void OnMouseMove(ISurfaceBox drawArea, MouseEventArgs e)
        {

        }

        public static void OnMouseUp(ISurfaceBox drawArea, MouseEventArgs e)
        {
            //多次直线分割
            if(drawObject.pointArray!=null && drawObject.pointArray.Count > 1)
            {
                if(drawObject.startPoint.X!= drawObject.endPoint.X 
                    || drawObject.startPoint.Y != drawObject.endPoint.Y)
                {
                    drawArea.BinaryActionSplitLine(drawObject.startPoint, drawObject.endPoint);
                }
            }
        }

        public static void OnMouseClick(ISurfaceBox drawArea, MouseEventArgs e)
        {

        }

        /// <summary>
        /// 鼠标左键双击
        /// </summary>
        /// <param name="drawArea"></param>
        /// <param name="e"></param>
        public static void OnMouseLeftDoubleClick(ISurfaceBox surfacebox, MouseEventArgs e)
        {

        }

        /// <summary>
        /// 删除按键
        /// </summary>
        /// <param name="surfacebox"></param>
        /// <param name="e"></param>
        public static void OnDelKeyDown(ISurfaceBox surfacebox, MouseEventArgs e)
        {

        }

        /// <summary>
        /// 删除划痕处理&污迹处理选择区域的痕迹
        /// </summary>
        /// <param name="surfacebox"></param>
        /// <param name="e"></param>
        public static void OnDel2KeyDown(ISurfaceBox surfacebox, MouseEventArgs e)
        {

        }

        /// <summary>
        /// 清空全部时调用该方法，将可能未绘制完的对象清空
        /// </summary>
        public static void beginWithNewObject()
        {
            drawObject = null;
        }
    }
}