Metis_xctg/Annotation/FieldView/ToolViewOval.cs

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

namespace PaintDotNet.Annotation.FieldView
{
    /// <summary>
    /// 椭圆视场工具
    /// </summary>
    public class ToolViewOval : ToolObject
    {
        static ViewOval line;
        private static bool _moved;

        /// <summary>
        /// 鼠标按下事件
        /// </summary>
        /// <param name="surfaceBox"></param>
        /// <param name="e"></param>
        public static void OnMouseDown(ISurfaceBox surfaceBox, MouseEventArgs e)
        {
            Point pointscroll = GetEventPointInArea(surfaceBox, e.Location);
            _moved = false;
            line = new ViewOval(pointscroll.X, pointscroll.Y);
            line.ISurfaceBox = surfaceBox;
            line.combineMode = surfaceBox.GetCombineMode();
            AddNewObjectForView(surfaceBox, line);
        }

        /// <summary>
        /// 鼠标移动事件
        /// </summary>
        /// <param name="drawArea"></param>
        /// <param name="e"></param>
        public static void OnMouseMove(ISurfaceBox drawArea, MouseEventArgs e)
        {
            Point pointscroll = GetEventPointInArea(drawArea, e.Location);
            if (e.Button == MouseButtons.Left)
            {
                if (drawArea.GraphicsList.Count > 0)
                {
                    _moved = true;
                    drawArea.GraphicsList[0].MoveHandleTo(pointscroll, 5);
                    drawArea.Refresh();
                    drawArea.GraphicsList.Dirty = true;
                }
            }
        }

        public static void OnMouseUp(ISurfaceBox drawArea, MouseEventArgs e)
        {
            if (_moved)
            {
                drawArea.ActiveTool = DrawToolType.Pointer;
                //OnMouseUpTwo(drawArea, e);
                drawArea.GraphicsList.OnSelectChanged();
            }
            else
            {
                drawArea.GraphicsList.RemoveObj(line);
                drawArea.ActiveTool = DrawToolType.Pointer;
            }
        }

        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()
        {

        }
    }
}