250 lines
11 KiB
C#
250 lines
11 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Web;
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using System.Web.SessionState;
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using System.Net;
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using System.Data;
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using System.IO;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Linq;
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using System.Collections.Specialized;
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using System.Web.Script.Serialization;
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namespace Mtxfw.VipSite
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{
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public partial class tg2wm : Mtxfw.Utility.CheckWeiXinBase
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{
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public Mtxfw.Utility.Config config = new Mtxfw.Utility.Config("");
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public Mtxfw.DAL.user_info daoUser = new Mtxfw.DAL.user_info();
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public Mtxfw.DAL.user_Goods daoGoods = new Mtxfw.DAL.user_Goods();
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public Mtxfw.DAL.Article daoArticle = new Mtxfw.DAL.Article();
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public Mtxfw.Model.Article ModelArticle = new Mtxfw.Model.Article();
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public string EWMPic = "", EWMPic2 = "", SiteTitle = "";
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public static string appKey = "", signature = "", timestamp = "", nonceStr = "", strurl = "", IFApp = "0", IFLink = "1";
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public int gtype = 0;
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protected override void OnLoad(EventArgs e)
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{
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base.OnLoad(e);
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SiteTitle = config.webName;
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string hostname = Request.Url.Host;
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if (!IsPostBack)
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{
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}
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}
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// 给图片加水印#region 给图片加水印
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/// <summary>
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/// 添加水印(分图片水印与文字水印两种)
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/// </summary>
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/// <param name="oldpath">原图片绝对地址</param>
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/// <param name="newpath">新图片放置的绝对地址(不可与原图片名相同)</param>
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/// <param name="wmtType">要添加的水印的类型</param>
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/// <param name="sWaterMarkContent">水印内容，若添加文字水印，此即为要添加的文字；
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/// 若要添加图片水印，此为图片的路径(图片水印暂不可用)</param>
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public void addWaterMark(string oldpath, string newpath, int wmtType, string wmimgpath, string sWaterMarkContent, int fontsize, int _width, int _height, int xpos, int ypos)
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{
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Image image = Image.FromFile(oldpath);
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Bitmap b = new Bitmap(image.Width, image.Height,
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PixelFormat.Format24bppRgb);
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Graphics g = Graphics.FromImage(b);
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g.Clear(System.Drawing.Color.White);
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g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
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g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
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g.DrawImage(image, 0, 0, image.Width, image.Height);
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switch (wmtType)
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{
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/**/
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case 0:
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//图片水印
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this.addWatermarkImage(g, wmimgpath, _width, _height, xpos, ypos);
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break;
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case 1:
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//文字水印
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this.addWatermarkText(g, sWaterMarkContent, xpos, ypos, fontsize);
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break;
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}
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b.Save(newpath);
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b.Dispose();
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image.Dispose();
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}
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/**/
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/// <summary>
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/// 加水印文字
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/// </summary>
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/// <param name="picture">imge 对象</param>
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/// <param name="_watermarkText">水印文字内容</param>
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/// <param name="_watermarkPosition">水印位置</param>
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/// <param name="_width">被加水印图片的宽</param>
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/// <param name="_height">被加水印图片的高</param>
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private void addWatermarkText(Graphics picture, string _watermarkText, int xpos, int ypos, int fontsize)
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{
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Font crFont = null;
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SizeF crSize = new SizeF();
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crFont = new Font("黑体", fontsize, FontStyle.Regular);
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crSize = picture.MeasureString(_watermarkText, crFont);
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// 生成水印图片（将文字写到图片中）
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Bitmap floatBmp = new Bitmap((int)crSize.Width + 3,
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(int)crSize.Height + 3, PixelFormat.Format64bppArgb);
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Graphics fg = Graphics.FromImage(floatBmp);
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PointF pt = new PointF(0, 0);
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// 画阴影文字
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/*Brush TransparentBrush0 = new SolidBrush(Color.FromArgb(255, Color.Black));
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Brush TransparentBrush1 = new SolidBrush(Color.FromArgb(255, Color.Black));
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fg.DrawString(_watermarkText, crFont, TransparentBrush0, pt.X, pt.Y + 1);
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fg.DrawString(_watermarkText, crFont, TransparentBrush0, pt.X + 1, pt.Y);
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fg.DrawString(_watermarkText, crFont, TransparentBrush1, pt.X + 1, pt.Y + 1);
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fg.DrawString(_watermarkText, crFont, TransparentBrush1, pt.X, pt.Y + 2);
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fg.DrawString(_watermarkText, crFont, TransparentBrush1, pt.X + 2, pt.Y);
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TransparentBrush0.Dispose();
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TransparentBrush1.Dispose();*/
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// 画文字
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fg.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit;//加上这句可以去掉黑色阴影
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fg.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
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fg.DrawString(_watermarkText,
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crFont, new SolidBrush(System.Drawing.Color.FromArgb(255, 255, 255, 255)),
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pt.X, pt.Y, StringFormat.GenericDefault);
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// 保存刚才的操作
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fg.Save();
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fg.Dispose();
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// floatBmp.Save("d://WebSite//DIGITALKM//ttt.jpg");
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// 将水印图片加到原图中
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this.addWatermarkImage(picture, new Bitmap(floatBmp), (int)crSize.Width + 3, (int)crSize.Height + 3, xpos, ypos);
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}
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/**/
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/// <summary>
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/// 加水印图片
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/// </summary>
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/// <param name="picture">imge 对象</param>
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/// <param name="iTheImage">Image对象（以此图片为水印）</param>
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/// <param name="_watermarkPosition">水印位置</param>
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/// <param name="_width">被加水印图片的宽</param>
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/// <param name="_height">被加水印图片的高</param>
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private void addWatermarkImage(Graphics picture, Image iTheImage, int _width, int _height, int xpos, int ypos)
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{
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Image watermark = new Bitmap(iTheImage);
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ImageAttributes imageAttributes = new ImageAttributes();
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ColorMap colorMap = new ColorMap();
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ColorMap[] remapTable = { colorMap };
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imageAttributes.SetRemapTable(remapTable, ColorAdjustType.Bitmap);
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float[][] colorMatrixElements = {
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new float[] {1.0f, 0.0f, 0.0f, 0.0f, 0.0f},
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new float[] {0.0f, 1.0f, 0.0f, 0.0f, 0.0f},
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new float[] {0.0f, 0.0f, 1.0f, 0.0f, 0.0f},
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new float[] {0.0f, 0.0f, 0.0f, 0.3f, 0.0f},
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new float[] {0.0f, 0.0f, 0.0f, 0.0f, 1.0f}
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};
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ColorMatrix colorMatrix = new ColorMatrix(colorMatrixElements);
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//imageAttributes.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
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int WatermarkWidth = _width;
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int WatermarkHeight = _height;
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/*int xpos = 0;
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int ypos = 0;
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switch (_watermarkPosition)
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{
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case "WM_TOP_LEFT":
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xpos = 10;
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ypos = 10;
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break;
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case "WM_TOP_RIGHT":
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xpos = _width - WatermarkWidth - 10;
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ypos = 10;
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break;
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case "WM_BOTTOM_RIGHT":
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xpos = _width - WatermarkWidth - 10;
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ypos = _height - WatermarkHeight - 10;
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break;
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case "WM_BOTTOM_LEFT":
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xpos = 10;
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ypos = _height - WatermarkHeight - 10;
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break;
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case "WM_M":
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xpos = 0;
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ypos = 20;
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break;
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case "WM_M2":
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xpos = 430;
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ypos = 100;
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break;
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}*/
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picture.DrawImage(
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watermark,
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new Rectangle(xpos, ypos, WatermarkWidth, WatermarkHeight),
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0,
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0,
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watermark.Width,
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watermark.Height,
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GraphicsUnit.Pixel,
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imageAttributes);
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watermark.Dispose();
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imageAttributes.Dispose();
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}
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/**/
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/// <summary>
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/// 加水印图片
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/// </summary>
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/// <param name="picture">imge 对象</param>
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/// <param name="WaterMarkPicPath">水印图片的地址</param>
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/// <param name="_watermarkPosition">水印位置</param>
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/// <param name="_width">被加水印图片的宽</param>
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/// <param name="_height">被加水印图片的高</param>
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private void addWatermarkImage(Graphics picture, string WaterMarkPicPath, int _width, int _height, int xpos, int ypos)
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{
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Image watermark = new Bitmap(WaterMarkPicPath);
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this.addWatermarkImage(picture, watermark, _width,
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_height, xpos, ypos);
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}
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//生成缩略图#region 生成缩略图
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/**/
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/// <summary>
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/// 保存图片
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/// </summary>
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/// <param name="image">Image 对象</param>
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/// <param name="savePath">保存路径</param>
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/// <param name="ici">指定格式的编解码参数</param>
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private void SaveImage(Image image, string savePath, ImageCodecInfo ici)
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{
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//设置 原图片 对象的 EncoderParameters 对象
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EncoderParameters parameters = new EncoderParameters(1);
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parameters.Param[0] = new EncoderParameter(
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System.Drawing.Imaging.Encoder.Quality, ((long)90));
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image.Save(savePath, ici, parameters);
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parameters.Dispose();
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}
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/**/
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/// <summary>
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/// 获取图像编码解码器的所有相关信息
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/// </summary>
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/// <param name="mimeType">包含编码解码器的多用途网际邮件扩充协议 (MIME) 类型的字符串</param>
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/// <returns>返回图像编码解码器的所有相关信息</returns>
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private ImageCodecInfo GetCodecInfo(string mimeType)
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{
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ImageCodecInfo[] CodecInfo = ImageCodecInfo.GetImageEncoders();
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foreach (ImageCodecInfo ici in CodecInfo)
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{
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if (ici.MimeType == mimeType)
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return ici;
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}
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return null;
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}
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}
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}
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