HEGII.ss.mes.wcf/DK.Client/PCModule/F_MST_GoodsImageAdd.cs

/*******************************************************************************
 * Copyright(c) 2014 DongkeSoft All rights reserved. / Confidential
 * 类的信息：
 *      1.程序名称：F_MST_GoodsImageAdd.cs
 *      2.功能描述：产品线性图新建编辑
 * 编辑履历：
 *      作者            日期                版本            修改内容
 *      冯林勇         2024-04-15    1.00            新建
 *******************************************************************************/

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing.Printing;
using System.Reflection;
using System.Windows.Forms;
using System.IO;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;

using Dongke.IBOSS.PRD.Basics.BaseResources;
using Dongke.IBOSS.PRD.Client.CommonModule;
using Dongke.IBOSS.PRD.WCF.DataModels;
using Dongke.IBOSS.PRD.WCF.Proxys;

namespace Dongke.IBOSS.PRD.Client.Controls
{
	public partial class F_MST_GoodsImageAdd : DKFormBase
	{
		#region 成员变量
		string winStatus = String.Empty;
		string winmatnr = string.Empty;
		// 产品图片二进制集合
		private List<byte[]> _picByteList = new List<byte[]>();
		// 产品图片缩略图二进制集合
		private List<byte[]> _smallByteList = new List<byte[]>();
		// 产品图片实体集合
		private List<GoodsImageEntity> _imgList = new List<GoodsImageEntity>();
		// 已存在的图片实体集合(修改)
		private List<GoodsImageEntity> _updateImgList = new List<GoodsImageEntity>();
		#endregion

		#region 构造函数
		public F_MST_GoodsImageAdd(string Status, string matnr)
		{
			InitializeComponent();
			winStatus = Status;
			winmatnr = matnr;
		}
		#endregion

		#region 属性

		#endregion

		#region 控件事件
		/// <summary>
		/// 取消
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnCancel_Click(object sender, System.EventArgs e)
		{
			this.DialogResult = DialogResult.Cancel;
			this.Close();
		}

		/// <summary>
		/// 画面打开
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void F_MST_GoodsImageAdd_Load(object sender, EventArgs e)
		{
			try
			{
				if (winStatus == "Edit")
				{
					this.btnUpload.Visible = false;
					this.btnSave.Visible = false;  
					ClientRequestEntity cre = new ClientRequestEntity();
					cre.NameSpace = "F_MST_GoodsImage";
					cre.Name = "getGoodsImage";
					cre.Properties["MATNR"] = winmatnr;
					ServiceResultEntity sre = DoAsync<ServiceResultEntity>(() =>
					{
						return SystemModuleProxy.Service.DoRequest(cre);
					});

					if (sre.Status == Constant.ServiceResultStatus.Success)
					{
						// 查询成功
						if (sre.Data.Tables[0].Rows.Count > 0)
						{
							this.txtMATNR.Text = winmatnr;
							this.txtMATNR.Enabled = false;
							// 读取二进制数据
							byte[] binaryData = (byte[])(sre.Data.Tables[0].Rows[0]["IMAGE"]);

							// 解码为图像对象
							try
							{
								using (MemoryStream stream = new MemoryStream(binaryData))
								{
									//if (picGoodsImage.Image != null)
									{
										// 其他操作  
										// 显示图像在PictureBox中
										//picGoodsImage.Image = Image.FromStream(stream);

										Image PicImage = Image.FromStream(stream);
										this._picByteList.Add(ImageToByte(PicImage)); 
										this.picGoodsImage.BackgroundImage = PicImage;
									}
								}
							}
							catch (ArgumentException ex)
							{
								// 处理异常，例如记录日志或显示用户友好的错误消息  
								MessageBox.Show("加载失败: " + ex.Message);
							}
							//this.picGoodsImage.Image = "";

						}
					}
				}
			}
			catch (Exception ex)
			{
				// 对异常进行共通处理
				ExceptionManager.HandleEventException(this.ToString(),
					MethodBase.GetCurrentMethod().Name, this.Text, ex);
			}
		}

		/// <summary>
		/// 确定方法
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnSave_Click(object sender, EventArgs e)
		{
			try
			{
				//非空校验
				if (txtMATNR.Text.ToString() == "" && string.IsNullOrEmpty(txtMATNR.ToString()))
				{
					MessageBox.Show(string.Format(Messages.MSG_CMN_W005, "物料编码"),
					this.Text, MessageBoxButtons.OK, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button1);
					return;
				}
				if (_picByteList.Count <=0)
				{
					MessageBox.Show(string.Format(Messages.MSG_CMN_W005, "线性图"),
					this.Text, MessageBoxButtons.OK, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button1);
					return;
				}

				if (winStatus == "Edit")
				{
					ClientRequestEntity cre = new ClientRequestEntity();
					cre.NameSpace = "F_MST_GoodsImage";
					cre.Name = "EditGoodsImage";
					cre.Properties["MATNR"] = winmatnr;
					ServiceResultEntity sre = DoAsync<ServiceResultEntity>(() =>
					{
						return SystemModuleProxy.Service.DoRequest(cre);
					});

					if (sre.Status == Constant.ServiceResultStatus.Success)
					{

					}
				}
				else
				{
					ServiceResultEntity sre = DoAsync<ServiceResultEntity>(() =>
					{
						ClientRequestEntity cre = new ClientRequestEntity();
						cre.NameSpace = "F_MST_GoodsImage";
						cre.Name = "AddGoodsImage";
						cre.Properties["MATNR"] = this.txtMATNR.Text.ToString();
						cre.Properties["IMAGE"] = _picByteList[0];
						byte[] s = (byte[])cre.Properties["IMAGE"];
						return SystemModuleProxy.Service.DoRequest(cre);
					});
																										   

					if (sre.Status == Constant.ServiceResultStatus.Success)
					{
						MessageBox.Show(string.Format(Messages.MSG_CMN_I001, "线性图", "保存"),
						this.Text, MessageBoxButtons.OK, MessageBoxIcon.Information);
					}
					else
					{
						MessageBox.Show(string.Format(Messages.E_CMN_S_001, "线性图"), this.Text,
							MessageBoxButtons.OK, MessageBoxIcon.Warning);
					}
				}
			}
			catch (Exception ex)
			{
				// 对异常进行共通处理
				ExceptionManager.HandleEventException(this.ToString(),
					MethodBase.GetCurrentMethod().Name, this.Text, ex);
			}
		}
		#endregion

		#region 重写方法

		#endregion

		#region 私有方法/函数		  
		/// <summary>
		/// 上传缩略图
		/// </summary>
		private void btnUpload_Click(object sender, EventArgs e)
		{
			try
			{
				odlgFile.Filter = Constant.FILTER_PIC_GOODS;
				odlgFile.FilterIndex = Constant.INT_IS_ZERO;
				odlgFile.RestoreDirectory = true;
				odlgFile.Title = "选择产品图片";
				odlgFile.FileName = null;
				odlgFile.RestoreDirectory = true;
				if (odlgFile.ShowDialog() == DialogResult.OK)
				{
					FileInfo file = new FileInfo(odlgFile.FileName);
					if (Constant.UPLOAD_PIC_MAX_SIZE < file.Length)
					{
						MessageBox.Show(string.Format(Messages.MSG_CMN_W013, "产品图片", "大小", "1M"),
							this.Text, MessageBoxButtons.OK, MessageBoxIcon.Information);
					}
					else
					{
						Image PicImage = Image.FromStream(file.OpenRead());
						this._picByteList.Add(ImageToByte(PicImage));
						GetThumbnail(file);
						//BindImg();
						this.picGoodsImage.BackgroundImage = PicImage;
					}
				}
			}
			catch (Exception ex)
			{
				// 对异常进行共通处理
				ExceptionManager.HandleEventException(this.ToString(),
					System.Reflection.MethodBase.GetCurrentMethod().Name, this.Text, ex);
			}
		}
		/// <summary>
		/// 将图片文件转换成二进制
		/// </summary>
		/// <param name="img">需要转换的图片</param>
		/// <returns>图片二进制数据</returns>
		private static byte[] ImageToByte(Image img)
		{
			try
			{
				byte[] smallbuffer = null;
				using (MemoryStream ms = new MemoryStream())
				{
					img.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
					ms.Position = Constant.INT_IS_ZERO;
					smallbuffer = new byte[ms.Length];
					ms.Read(smallbuffer, Constant.INT_IS_ZERO, Convert.ToInt32(ms.Length));
					ms.Flush();
				}
				return smallbuffer;
			}
			catch (Exception ex)
			{
				throw ex;
			}
		}
		/// <summary>
		/// 绑定缩略图到控件中
		/// </summary>
		private void BindImg()
		{
			try
			{
				//每次绑定要清空数据源
				this.ilPic.Images.Clear();
				//将缩略图二进制集合中的数据转换成图片文件
				List<Image> LSImageList = new List<Image>();
				foreach (byte[] smallby in _smallByteList)
				{
					LSImageList.Add(byteArrayToImage(smallby));
				}
				//添加数据源
				foreach (Image img in LSImageList)
				{
					ilPic.Images.Add(img);
				}
				this.ilPic.ImageSize = new Size(Constant.INT_IS_HUNDRED, Constant.INT_IS_HUNDRED);
				this.lvPic.LargeImageList = this.ilPic;
				this.lvPic.BeginUpdate();
				//清空列表的数据源
				//lvPic.Items.Clear();
				//添加列表的数据源
				for (int i = 0; i < ilPic.Images.Count; i++)
				{
					ListViewItem lvi = new ListViewItem();
					lvi.ImageIndex = i;
					this.lvPic.Items.Add(lvi);
				}
				this.lvPic.EndUpdate();
			}
			catch (Exception ex)
			{
				throw ex;
			}
		}
		/// <summary>
		/// 重绘缩略图并把缩略图转为二进制储存在集合众
		/// </summary>
		/// <param name="sourceFile">图片实体</param>
		/// <returns></returns>
		private void GetThumbnail(FileInfo sourceFile)
		{
			try
			{
				Image imgSource = Image.FromStream(sourceFile.OpenRead());
				ImageFormat thisFormat = imgSource.RawFormat;
				int sW = Constant.INT_IS_ZERO, sH = Constant.INT_IS_ZERO;
				// 按比例缩放
				int sWidth = imgSource.Width;
				int sHeight = imgSource.Height;
				int destWidth = Constant.INT_IS_HUNDRED;
				int destHeight = getSmallImageHeight(sWidth, sHeight, destWidth);
				if (sHeight > destHeight || sWidth > destWidth)
				{
					if ((sWidth * destHeight) > (sHeight * destWidth))
					{
						sW = destWidth;
						sH = (destWidth * sHeight) / sWidth;
					}
					else
					{
						sH = destHeight;
						sW = (sWidth * destHeight) / sHeight;
					}
				}
				else
				{
					sW = sWidth;
					sH = sHeight;
				}
				Bitmap outBmp = new Bitmap(destWidth, destHeight);
				Graphics g = Graphics.FromImage(outBmp);
				g.Clear(Color.Black);
				// 设置画布的描绘质量
				g.CompositingQuality = CompositingQuality.HighQuality;
				g.SmoothingMode = SmoothingMode.HighQuality;
				g.InterpolationMode = InterpolationMode.HighQualityBicubic;
				g.DrawImage(imgSource, new Rectangle((destWidth - sW) / Constant.INT_IS_TWO, (destHeight - sH) /
					Constant.INT_IS_TWO, sW, sH), Constant.INT_IS_ZERO, Constant.INT_IS_ZERO,
					imgSource.Width, imgSource.Height, GraphicsUnit.Pixel);
				g.Dispose();
				//将重绘的图片转为二进制并保存
				Image image = (Image)outBmp;
				byte[] smallbuffer = ImageToByte(image);
				this._smallByteList.Add(smallbuffer);
				imgSource.Dispose();
				outBmp.Dispose();
			}
			catch (Exception ex)
			{
				throw ex;
			}
		}
		/// <summary>
		/// 将数据库中的二进制转换成图片
		/// </summary>
		/// <param name="data">需要转换成图片的二进制数据</param>
		/// <returns>图片文件实体</returns>
		private static Image byteArrayToImage(object data)
		{
			try
			{
				System.IO.MemoryStream ms = new System.IO.MemoryStream((byte[])data);
				System.Drawing.Image returnImage = System.Drawing.Image.FromStream(ms);
				return returnImage;
			}
			catch (Exception ex)
			{
				throw ex;
			}
		}
		/// <summary>
		/// 根据原图片宽高比获取缩略图的高(根据宽)
		/// </summary>
		/// <param name="BigWidth">原图宽度</param>
		/// <param name="BigHeight">原图高度</param>
		/// <param name="SmallWidth">缩略图宽度</param>
		/// <returns>缩略图的高度</returns>
		private int getSmallImageHeight(int BigWidth, int BigHeight, int SmallWidth)
		{
			try
			{
				decimal scale = Convert.ToDecimal(BigWidth) / Convert.ToDecimal(BigHeight);
				return Convert.ToInt32(SmallWidth / scale);
			}
			catch (Exception ex)
			{
				throw ex;
			}
		}
		#endregion
	}
}