using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;

namespace Eventech.DynPicture.Model
{
    /// <summary>
    /// 图片信息
    /// </summary>
    public class PictureImageInfo : IPictureBaseInfo, ICloneable
    {
        public PictureImageInfo() { }
        public PictureImageInfo(PictureImageInfo rhs)
        {
            #region base
            this.ID = rhs.ID;
            this.Name = rhs.Name;
            this.AllowEdit = rhs.AllowEdit;
            this.InfoType = rhs.InfoType;
            this.Level = rhs.Level;
            this.Description = rhs.Description;
            this.Tag = rhs.Tag;
            #endregion

            this.Point = rhs.Point;
            this.Image = rhs.Image;
            this.Angle = rhs.Angle;
        }

        #region 图片信息基础属性

        /// <summary>
        /// 唯一标识
        /// </summary>
        public long ID { get; set; }

        /// <summary>
        /// 名称
        /// </summary>
        public string Name { get; set; }

        /// <summary>
        /// 是否允许修改
        /// </summary>
        public bool AllowEdit { get; set; }

        /// <summary>
        /// 获取图片信息类型
        /// </summary>
        public ePictureInfoType InfoType
        {
            get { return _infoType; }
            private set { _infoType = value; }
        }
        private ePictureInfoType _infoType = ePictureInfoType.Image;

        /// <summary>
        /// 图层
        /// </summary>
        public int Level { get; set; }

        /// <summary>
        /// 描述信息
        /// </summary>
        public virtual string Description { get; set; }

        /// <summary>
        /// 标签
        /// </summary>
        public virtual string Tag { get; set; }

        #endregion

        /// <summary>
        /// 位置信息
        /// </summary>
        public PointF Point { get; set; }

        /// <summary>
        /// 图片
        /// </summary>
        public Bitmap Image { get; set; }

        /// <summary>
        /// 旋转角度
        /// </summary>
        public float Angle
        {
            get { return _angle; }
            set { _angle = value; }
        }
        private float _angle = 0;


        #region Clone
        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
        public PictureImageInfo Clone()
        {
            return new PictureImageInfo(this);
        }
        object ICloneable.Clone()
        {
            return this.Clone();
        }

        #endregion Clone

        /// <summary>
        /// 获取坐标信息
        /// </summary>
        /// <param name="g"></param>
        /// <returns></returns>
        public ImageInfoCoordinate GetCoordinate(Graphics g)
        {
            if (Image == null)
                return null;
            return new ImageInfoCoordinate(this.Point, this.Angle, this.Image.Size, StringAlignment.Center, StringAlignment.Center);
        }

        /// <summary>
        /// 绘制信息
        /// </summary>
        /// <param name="g"></param>
        /// <param name="coordinate"></param>
        public void DrawInfo(Graphics g, ImageInfoCoordinate coordinate)
        {
            if (this.Image == null)
                return;
            g.DrawImage(this.Image, this.Point, this.Angle, StringAlignment.Center, StringAlignment.Center);
        }

        /// <summary>
        /// 绘制高亮外观
        /// </summary>
        /// <param name="g"></param>
        /// <param name="coordinate"></param>
        /// <param name="func"></param>
        public void DrawHighlightAppearance(Graphics g, ImageInfoCoordinate coordinate, Func<PointF, PointF> func)
        {
            var points = new PointF[5];
            points[0] = func(coordinate.AfterLeftTop);
            points[1] = func(coordinate.AfterRightTop);
            points[2] = func(coordinate.AfterRightBottom);
            points[3] = func(coordinate.AfterLeftBottom);
            points[4] = points[0];
            using (var pen = new Pen(XmlConfigInfo.ConfigInfo.HighlightBorderColor, XmlConfigInfo.ConfigInfo.HighlightBorderWidth))
            {
                g.DrawLines(pen, points);
            }
        }
        public void IncreaseAxisValue(eAxis axis, float value)
        {
            switch (axis)
            {
                case eAxis.X: this.Point = new PointF(this.Point.X + value, this.Point.Y); break;
                case eAxis.Y: this.Point = new PointF(this.Point.X, this.Point.Y + value); break;
                default: break;
            }
        }



        public void DrawInfo2(Graphics g, ImageInfoCoordinate coordinate)
        {
            if (this.Image == null)
                return;
            g.DrawImage(this.Image, this.Point, this.Angle, StringAlignment.Center, StringAlignment.Center);
        }
    }
}