| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108 | 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()        {                    }    }}
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