using System;
using System.Windows;
using DevExpress.XtraGrid;
using DevExpress.XtraGrid.Views.Grid;
using System.Drawing;
using System.ComponentModel;
using System.Windows.Forms;
using DevExpress.XtraVerticalGrid;
using System.Drawing.Imaging;
using System.Drawing.Drawing2D;

namespace WMS.Compoment
{

    public class VGridControlCustom : VGridControl
    {
        #region 定义变量
        private Bitmap _Image = null;
        #endregion
        
        #region 构造函数
        /// <summary>
        /// 构造函数
        /// </summary>
        public VGridControlCustom()
        {
            InitializeComponent();
        }

        /// <summary>
        /// 构造控件
        /// </summary>
        private void InitializeComponent()
        {
            ((System.ComponentModel.ISupportInitialize)(this)).BeginInit();
            this.SuspendLayout();
            this.Paint += new System.Windows.Forms.PaintEventHandler(this.VGridControlCustom_Paint);
            ((System.ComponentModel.ISupportInitialize)(this)).EndInit();
            this.ResumeLayout(false);

        }
        #endregion
        
        #region 设置审核标识图片
        /// <summary>
        /// 设置审核标识图片
        /// </summary>
        /// <param name="flag">审核标识</param>
        public void SetVerifyFlagImage(string flag)
        {
            try
            {
                if (flag == "0")
                {
                    _Image = WMS.Ctrl.Properties.Resources.未审核;
                }
                else if (flag == "1")
                {
                    _Image = WMS.Ctrl.Properties.Resources.已审核;
                }
                else if (flag == "2")
                {
                    _Image = WMS.Ctrl.Properties.Resources.审核未执行;
                }
                else if (flag == "3")
                {
                    _Image = WMS.Ctrl.Properties.Resources.审批中;
                }
                else if (flag == "4")
                {
                    _Image = WMS.Ctrl.Properties.Resources.未通过;
                }
                else if (flag == "5")
                {
                    _Image = WMS.Ctrl.Properties.Resources.已通过;
                }
                else if (flag == "6")
                {
                    _Image = WMS.Ctrl.Properties.Resources.作废;
                }
                else if (flag == "7")
                {
                    _Image = WMS.Ctrl.Properties.Resources.驳回;
                }
                this.Invalidate();
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        /// <summary>
        /// 设置审核标识图片
        /// </summary>
        /// <param name="flag">图片</param>
        public void SetVerifyFlagImage(Bitmap image)
        {
            try
            {
                _Image = image;
                this.Invalidate();
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        #endregion

        #region 清空审核标识图片
        /// <summary>
        /// 清空审核标识图片
        /// </summary>
        /// <param name="flag">审核标识</param>
        public void ClearVerifyFlagImage()
        {
            try
            {
                _Image = null;
                this.Invalidate();
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        #endregion

        #region 绘图事件
        /// <summary>
        /// 界面绘制事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void VGridControlCustom_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
        {
            try
            {
                if (_Image == null)
                {
                    return;
                }
                Graphics g = e.Graphics;
                int x = Convert.ToInt32(this.Width - (_Image.Width / Math.Sqrt(2) + _Image.Width / 2 * Math.Sqrt(2)) / 2 - _Image.Width / 2) + 20;
                int y = Convert.ToInt32(this.Height - (_Image.Width / Math.Sqrt(2) + _Image.Width / 2 * Math.Sqrt(2)) / 2 - _Image.Height / 2) + 20;

                int width = _Image.Width;
                int height = _Image.Height;

                ImageAttributes imageAttr = new ImageAttributes();
                ColorMatrix matrix = new ColorMatrix();
                matrix.Matrix33 = 0.4f; //透明度
                imageAttr.SetColorMatrix(matrix);
                Rectangle rect = new Rectangle(0, 0, width, height);

                Point[] points = { new Point(0 - width / 2, 0 - height / 2), new Point(width - width / 2, 0 - height / 2), new Point(0 - width / 2, height - height / 2) };
                Matrix matrixRotate = new Matrix(1, 0, 0, 1, x + width / 2, y + height / 2);// 定义一个UNIT矩阵，坐标原点在(x,y)
                matrixRotate.Rotate(-45); // 逆时针旋转45度
                //matrix.Scale((float)2, (float)2); // X 和 Y 方向分别乘以0.63和0.6比例因子
                matrixRotate.TransformPoints(points);// 用该矩阵转换points
                g.DrawImage(_Image, points, rect, GraphicsUnit.Pixel, imageAttr);

            }
            catch { }
            //try
            //{
            //    if (_Image == null)
            //    {
            //        return;
            //    }
            //    Graphics g = e.Graphics;
            //    int x = this.Width / 3 * 2 - _Image.Width / 2;
            //    int y = this.Height / 3 * 2 - _Image.Height / 2;
            //    int width = _Image.Width;
            //    int height = _Image.Height;

            //    g.DrawImage(_Image, x, y, width, height);
            //}
            //catch (Exception ex)
            //{
            //    throw ex;
            //}
        }
        #endregion
    }
}