LIBMAS/Annotation/Label/ToolOneArrowLine.cs

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

namespace PaintDotNet.Annotation.Label
{
    /// <summary>
    /// 标注->箭头->单向箭头
    /// </summary>
    public class ToolOneArrowLine : ToolObject
    {

        private static Cursor cursor = new Cursor(PdnResources.GetResourceStream("Cursors.AnnotationLine.cur"));

        public static void OnMouseDown(ISurfaceBox drawArea, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
            {
                Point pointscroll = GetEventPointInArea(drawArea, e.Location);
                DrawOneArrowLine line = new DrawOneArrowLine(drawArea, pointscroll.X, pointscroll.Y, pointscroll.X + 1, pointscroll.Y + 1);
                line.ISurfaceBox = drawArea;
                AddNewObject(drawArea, line);
            }
            else {
                OnMouseNotLeftDown(drawArea, null);
            } 
        }

        public static void OnMouseMove(ISurfaceBox drawArea, MouseEventArgs e)
        {
            Point pointscroll = GetEventPointInArea(drawArea, e.Location);
            drawArea.Cursor = cursor;

            if (e.Button == MouseButtons.Left)
            {
                drawArea.GraphicsList[0].MoveHandleTo(pointscroll, 2);
                drawArea.Refresh();
                drawArea.GraphicsList.Dirty = true;
            }
        }

        public static void OnMouseUp(ISurfaceBox drawArea, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
            {
                if (!drawArea.ContinuousDrawingLabel())
                {
                    drawArea.ActiveTool = DrawToolType.Pointer;
                }
                OnMouseUpTwo(drawArea, e);
            }
        }

        public static void OnMouseClick(ISurfaceBox surfacebox, 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)
        {

        }

        public static void beginWithNewObject()
        {

        }
    }
}