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

namespace PaintDotNet.Annotation.Label
{
    /// <summary>
    /// 编辑->图片裁剪
    /// </summary>
    public class ImageCutTool : ToolObject
    {
        /// <summary>
        /// Left nouse button is pressed
        /// </summary>
        /// <param name="drawArea"></param>
        /// <param name="e"></param>
        public static void OnMouseDown(ISurfaceBox surfaceBox, MouseEventArgs e)
        {
            //如当前已存在其他裁剪框,则先删除
            if (surfaceBox.GraphicsList.IsExsitSpecificObject(DrawToolType.ImageCut))
            {
                List<DrawObject> objList = surfaceBox.GraphicsList.GetDrawToolTypeList(DrawToolType.ImageCut);
                for (int i = 0; i< objList.Count; i++)
                {
                    surfaceBox.GraphicsList.RemoveObj(objList[i]);
                }
            }
            
            Point pointscroll = GetEventPointInArea(surfaceBox, e.Location);
            ImageCutDraw rectangle = new ImageCutDraw(pointscroll.X, pointscroll.Y, 1, 1);
            rectangle.ISurfaceBox = surfaceBox;
            AddNewObject(surfaceBox, rectangle);
        }

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

        /// <summary>
        /// 覆盖父类的鼠标抬起事件，什么都不做
        /// </summary>
        /// <param name="drawArea"></param>
        /// <param name="e"></param>
        public static void OnMouseUp(ISurfaceBox drawArea, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
            {
                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)
        {

        }

        public static void beginWithNewObject()
        {
            
        }
    }
}