using System;
using System.Collections.Generic;
using System.Web;
using System.Web.SessionState;
using System.Net;
using System.Data;
using System.IO;
using System.Text;
using System.Web.Script.Serialization;
using System.Drawing;
using System.Drawing.Imaging;
using ThoughtWorks.QRCode.Codec;
using ThoughtWorks.QRCode.Codec.Data;
using ThoughtWorks.QRCode.Codec.Util;
namespace Mtxfw.VipSite
{
    public partial class tg2wm2 : System.Web.UI.Page
    {
        public Mtxfw.Utility.Config config = new Mtxfw.Utility.Config("");
        public Mtxfw.DAL.user_info daoUser = new Mtxfw.DAL.user_info();
        public Mtxfw.DAL.user_Goods daoGoods = new Mtxfw.DAL.user_Goods();
        public Mtxfw.DAL.Article daoArticle = new Mtxfw.DAL.Article();
        public Mtxfw.Model.Article ModelArticle = new Mtxfw.Model.Article();
        public string strRealName = "", EWMPic = "", EWMPic2 = "", SiteTitle = "";
        public static string appKey = "", signature = "", timestamp = "", nonceStr = "", strurl = "", IFApp = "0", IFLink = "1";
        public int GetCount = 0, GetCount2 = 0, GetCount3 = 0;
        public int gtype = 0;
        protected void Page_Load(object sender, EventArgs e)
        {
            SiteTitle = config.webName;
            string hostname = Request.Url.Host;
           
        }
        // 给图片加水印#region 给图片加水印
        /// <summary>
        /// 添加水印(分图片水印与文字水印两种)
        /// </summary>
        /// <param name="oldpath">原图片绝对地址</param>
        /// <param name="newpath">新图片放置的绝对地址(不可与原图片名相同)</param>
        /// <param name="wmtType">要添加的水印的类型</param>
        /// <param name="sWaterMarkContent">水印内容，若添加文字水印，此即为要添加的文字；
        /// 若要添加图片水印，此为图片的路径(图片水印暂不可用)</param>
        public void addWaterMark(string oldpath, string newpath, int wmtType, string wmimgpath, string sWaterMarkContent, int fontsize, int _width, int _height, int xpos, int ypos)
        {

            Image image = Image.FromFile(oldpath);
            Bitmap b = new Bitmap(image.Width, image.Height,
                PixelFormat.Format24bppRgb);
            Graphics g = Graphics.FromImage(b);
            g.Clear(System.Drawing.Color.Black);
            g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
            g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
            g.DrawImage(image, 0, 0, image.Width, image.Height);

            switch (wmtType)
            {
                /**/
                case 0:
                    //图片水印
                    this.addWatermarkImage(g, wmimgpath, _width, _height, xpos, ypos);
                    break;
                case 1:
                    //文字水印
                    this.addWatermarkText(g, sWaterMarkContent, xpos, ypos, fontsize);
                    break;
            }


            b.Save(newpath);
            b.Dispose();
            image.Dispose();

        }
        /**/
        /// <summary>
        ///  加水印文字
        /// </summary>
        /// <param name="picture">imge 对象</param>
        /// <param name="_watermarkText">水印文字内容</param>
        /// <param name="_watermarkPosition">水印位置</param>
        /// <param name="_width">被加水印图片的宽</param>
        /// <param name="_height">被加水印图片的高</param>
        private void addWatermarkText(Graphics picture, string _watermarkText, int xpos, int ypos, int fontsize)
        {
            // 确定水印文字的字体大小
            //int[] sizes = new int[] { 32, 30, 28, 26, 24, 22, 20, 18, 16, 14, 12, 10, 8, 6, 4 };
            Font crFont = null;
            SizeF crSize = new SizeF();
            crFont = new Font("黑体", fontsize, FontStyle.Bold);
            crSize = picture.MeasureString(_watermarkText, crFont);
            // 生成水印图片（将文字写到图片中）
            Bitmap floatBmp = new Bitmap((int)crSize.Width + 3,
                           (int)crSize.Height + 3, PixelFormat.Format64bppArgb);
            Graphics fg = Graphics.FromImage(floatBmp);
            PointF pt = new PointF(0, 0);
            // 画阴影文字
            /*Brush TransparentBrush0 = new SolidBrush(Color.FromArgb(255, Color.Black));
            Brush TransparentBrush1 = new SolidBrush(Color.FromArgb(255, Color.Black));
            fg.DrawString(_watermarkText, crFont, TransparentBrush0, pt.X, pt.Y + 1);
            fg.DrawString(_watermarkText, crFont, TransparentBrush0, pt.X + 1, pt.Y);
            fg.DrawString(_watermarkText, crFont, TransparentBrush1, pt.X + 1, pt.Y + 1);
            fg.DrawString(_watermarkText, crFont, TransparentBrush1, pt.X, pt.Y + 2);
            fg.DrawString(_watermarkText, crFont, TransparentBrush1, pt.X + 2, pt.Y);
            TransparentBrush0.Dispose();
            TransparentBrush1.Dispose();*/
            // 画文字
            fg.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
            fg.DrawString(_watermarkText,
                crFont, new SolidBrush(System.Drawing.Color.White),
                pt.X, pt.Y, StringFormat.GenericDefault);
            // 保存刚才的操作
            fg.Save();
            fg.Dispose();
            // floatBmp.Save("d://WebSite//DIGITALKM//ttt.jpg");
            // 将水印图片加到原图中
            this.addWatermarkImage(picture, new Bitmap(floatBmp), (int)crSize.Width + 3, (int)crSize.Height + 3, xpos, ypos);
        }
        /**/
        /// <summary>
        ///  加水印图片
        /// </summary>
        /// <param name="picture">imge 对象</param>
        /// <param name="iTheImage">Image对象（以此图片为水印）</param>
        /// <param name="_watermarkPosition">水印位置</param>
        /// <param name="_width">被加水印图片的宽</param>
        /// <param name="_height">被加水印图片的高</param>
        private void addWatermarkImage(Graphics picture, Image iTheImage, int _width, int _height, int xpos, int ypos)
        {
            Image watermark = new Bitmap(iTheImage);

            ImageAttributes imageAttributes = new ImageAttributes();
            ColorMap colorMap = new ColorMap();
            colorMap.OldColor = System.Drawing.Color.FromArgb(255, 0, 255, 0);
            colorMap.NewColor = System.Drawing.Color.FromArgb(0, 0, 0, 0);
            ColorMap[] remapTable = { colorMap };
            imageAttributes.SetRemapTable(remapTable, ColorAdjustType.Bitmap);
            float[][] colorMatrixElements = {
                                                new float[] {1.0f, 0.0f, 0.0f, 0.0f, 0.0f},
                                                new float[] {0.0f, 1.0f, 0.0f, 0.0f, 0.0f},
                                                new float[] {0.0f, 0.0f, 1.0f, 0.0f, 0.0f},
                                                new float[] {0.0f, 0.0f, 0.0f, 0.3f, 0.0f},
                                                new float[] {0.0f, 0.0f, 0.0f, 0.0f, 1.0f}
                                            };

            ColorMatrix colorMatrix = new ColorMatrix(colorMatrixElements);

            //imageAttributes.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
            int WatermarkWidth = _width;
            int WatermarkHeight = _height;
            /*int xpos = 0;
            int ypos = 0;
           

            switch (_watermarkPosition)
            {
                case "WM_TOP_LEFT":
                    xpos = 10;
                    ypos = 10;
                    break;
                case "WM_TOP_RIGHT":
                    xpos = _width - WatermarkWidth - 10;
                    ypos = 10;
                    break;
                case "WM_BOTTOM_RIGHT":
                    xpos = _width - WatermarkWidth - 10;
                    ypos = _height - WatermarkHeight - 10;
                    break;
                case "WM_BOTTOM_LEFT":
                    xpos = 10;
                    ypos = _height - WatermarkHeight - 10;
                    break;
                case "WM_M":
                    xpos = 0;
                    ypos = 20;
                    break;
                case "WM_M2":
                    xpos = 430;
                    ypos = 100;
                    break;
            }*/
            picture.DrawImage(
                watermark,
                new Rectangle(xpos, ypos, WatermarkWidth, WatermarkHeight),
                0,
                0,
                watermark.Width,
                watermark.Height,
                GraphicsUnit.Pixel,
                imageAttributes);
            watermark.Dispose();
            imageAttributes.Dispose();
        }
        /**/
        /// <summary>
        ///  加水印图片
        /// </summary>
        /// <param name="picture">imge 对象</param>
        /// <param name="WaterMarkPicPath">水印图片的地址</param>
        /// <param name="_watermarkPosition">水印位置</param>
        /// <param name="_width">被加水印图片的宽</param>
        /// <param name="_height">被加水印图片的高</param>
        private void addWatermarkImage(Graphics picture, string WaterMarkPicPath, int _width, int _height, int xpos, int ypos)
        {
            Image watermark = new Bitmap(WaterMarkPicPath);

            this.addWatermarkImage(picture, watermark, _width,
                _height, xpos, ypos);
        }
        //生成缩略图#region 生成缩略图
        /**/
        /// <summary>
        /// 保存图片
        /// </summary>
        /// <param name="image">Image 对象</param>
        /// <param name="savePath">保存路径</param>
        /// <param name="ici">指定格式的编解码参数</param>
        private void SaveImage(Image image, string savePath, ImageCodecInfo ici)
        {
            //设置 原图片 对象的 EncoderParameters 对象
            EncoderParameters parameters = new EncoderParameters(1);
            parameters.Param[0] = new EncoderParameter(
                System.Drawing.Imaging.Encoder.Quality, ((long)90));
            image.Save(savePath, ici, parameters);
            parameters.Dispose();
        }
        /**/
        /// <summary>
        /// 获取图像编码解码器的所有相关信息
        /// </summary>
        /// <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>
        /// <returns>返回图像编码解码器的所有相关信息</returns>
        private ImageCodecInfo GetCodecInfo(string mimeType)
        {
            ImageCodecInfo[] CodecInfo = ImageCodecInfo.GetImageEncoders();
            foreach (ImageCodecInfo ici in CodecInfo)
            {
                if (ici.MimeType == mimeType)
                    return ici;
            }
            return null;
        }
    }
}