Example #1
0
        //选择PDF预览文件
        private void comboPDFlist_SelectionChangeCommitted(object sender, EventArgs e)
        {
            pdfInputPath = comboPDFlist.SelectedValue.ToString();
            PDFFile pdfFile   = PDFFile.Open(pdfInputPath);
            Bitmap  pageImage = pdfFile.GetPageImage(0, 56 * 1);

            pictureBox1.Image = pageImage;
            imgStartPage      = 1;
            imgPageCount      = pdfFile.PageCount;
            pdfFile.Dispose();
            labelPage.Text = imgStartPage + "/" + imgPageCount;

            float px, py;

            DataRow[] arrRow = dtPos.Select("Path = '" + pdfInputPath + "' and Page = " + imgStartPage);
            if (arrRow == null || arrRow.Length == 0)
            {
                px = Convert.ToSingle(textPx.Text); //这里根据比例来定位
                py = Convert.ToSingle(textPy.Text); //这里根据比例来定位
            }
            else
            {
                DataRow dr = arrRow[0];
                px = Convert.ToSingle(dr["X"].ToString());
                py = Convert.ToSingle(dr["Y"].ToString());
            }
            int   X   = Convert.ToInt32(pictureBox1.Width * px);
            int   Y   = Convert.ToInt32(pictureBox1.Height * py);
            Point pt1 = pictureBox1.Location;

            pictureBox2.Location = new Point(pt1.X + X - 10, pt1.Y + Y - 10);
        }
Example #2
0
 /// <summary>
 /// 将Pdf转换成图片存放在指定的文件夹下面并且返回转换了多少张图片(插件:O2S.Components.PDFRender4NETd)
 /// (使用:调用此方法传递参数,最后一个参数为模糊度(参考传递30))
 /// </summary>
 /// <param name="pdfInputPath">源PDF路径</param>
 /// <param name="imageOutpPutPath">PDF转化成图片之后存放的路径</param>
 /// <param name="imageFormat">转换的图片格式</param>
 /// <param name="difinition">传递参数模糊度</param>
 /// <returns>返回转换了多少张图片信息</returns>
 public static int PdfConvertImageInfo(string pdfInputPath, string imageOutpPutPath, ImageFormat imageFormat,
                                       float difinition)
 {
     try
     {
         //第一步:判断需要转换的PDF是否存在
         if (!File.Exists(pdfInputPath))
         {
             throw new System.Exception("PDF的路径不存在");
         }
         //第二步:判断存放转换后图片的地址是否存在
         if (!Directory.Exists(imageOutpPutPath))
         {
             throw new System.Exception("存放图片的路径不存在");
         }
         //第三步:进行转换(使用插件O2S.Components.PDFRender4NET)
         PDFFile pdfFile   = PDFFile.Open(pdfInputPath);
         int     pageCount = pdfFile.PageCount;
         for (int i = 0; i < pageCount; i++)
         {
             Bitmap bitmap = pdfFile.GetPageImage(i, difinition);
             bitmap.Save(Path.Combine(imageOutpPutPath, i + "." + imageFormat), imageFormat);
             bitmap.Dispose();
         }
         pdfFile.Dispose();
         //第四步:返回PDF转换了多少张图片的个数
         return(pageCount);
     }
     catch (System.Exception exception)
     {
         throw new System.Exception("PDF转换图片出现错误了,错误原因:" + exception.Message);
     }
 }
Example #3
0
        /// <summary>
        /// 将PDF文档转换为图片的方法
        /// </summary>
        /// <param name="pdfInputPath">PDF文件路径</param>
        /// <param name="imageName">生成图片的名字</param>
        /// <param name="startPageNum">从PDF文档的第几页开始转换</param>
        /// <param name="endPageNum">从PDF文档的第几页开始停止转换</param>
        /// <param name="imageFormat">设置所需图片格式</param>
        /// <param name="definition">设置图片的清晰度,数字越大越清晰</param>
        public static Stream ConvertPDF2Image(Stream stream,
                                              string imageName, int startPageNum, int endPageNum, ImageFormat imageFormat, Definition definition = Definition.Ten)
        {
            PDFFile pdfFile = PDFFile.Open(stream);

            // validate pageNum
            if (startPageNum <= 0)
            {
                startPageNum = 1;
            }
            if (endPageNum > pdfFile.PageCount)
            {
                endPageNum = pdfFile.PageCount;
            }
            if (startPageNum > endPageNum)
            {
                int tempPageNum = startPageNum;
                startPageNum = endPageNum;
                endPageNum   = startPageNum;
            }

            var ms = new MemoryStream();

            // start to convert each page
            for (int i = startPageNum; i <= endPageNum; i++)
            {
                Bitmap pageImage = pdfFile.GetPageImage(i - 1, 40 * (int)definition);
                pageImage.Save(ms, imageFormat);
                pageImage.Dispose();
            }

            pdfFile.Dispose();

            return(ms);
        }
Example #4
0
        /// <summary>
        /// 将PDF文档转换为图片的方法
        /// </summary>
        /// <param name="pdfInputPath">PDF文件路径</param>
        /// <param name="imageOutputPath">图片输出路径</param>
        /// <param name="imageName">生成图片的名字</param>
        /// <param name="startPageNum">从PDF文档的第几页开始转换</param>
        /// <param name="endPageNum">从PDF文档的第几页开始停止转换</param>
        /// <param name="imageFormat">设置所需图片格式</param>
        /// <param name="definition">设置图片的清晰度,数字越大越清晰</param>
        public static void ConvertPDF2Image(string pdfInputPath, string imageOutputPath,
                                            string imageName, int startPageNum, int endPageNum, ImageFormat imageFormat, Definition definition)
        {
            PDFFile pdfFile = PDFFile.Open(pdfInputPath);

            if (!Directory.Exists(imageOutputPath))
            {
                Directory.CreateDirectory(imageOutputPath);
            }
            // validate pageNum
            if (startPageNum <= 0)
            {
                startPageNum = 1;
            }
            if (endPageNum > pdfFile.PageCount)
            {
                endPageNum = pdfFile.PageCount;
            }
            if (startPageNum > endPageNum)
            {
                int tempPageNum = startPageNum;
                startPageNum = endPageNum;
                endPageNum   = startPageNum;
            }
            // start to convert each page
            for (int i = startPageNum; i <= endPageNum; i++)
            {
                Bitmap pageImage = pdfFile.GetPageImage(i - 1, 56 * (int)definition);
                pageImage.Save(imageOutputPath + imageName + i.ToString() + "." + imageFormat.ToString(), imageFormat);
                pageImage.Dispose();
            }
            pdfFile.Dispose();
        }
Example #5
0
    public bool GetFilePath(int page, UnityAction <byte[]> fileAction)
    {
        if (pdfFile == null)
        {
            return(false);
        }

        Debug.Log(1);
        Bitmap map;

        map = pdfFile.GetPageImage(page, picureConfig.definition);
        Debug.Log(2);
        if (map == null)
        {
            return(false);
        }
        Debug.Log(3);

        map = SetPictureAlpha(map, (int)picureConfig.transparent);
        Debug.Log(4);

        byte[] bytes = BitMapToArray(map);
        Debug.Log(5);

        if (fileAction != null)
        {
            fileAction(bytes);
        }
        return(true);
    }
Example #6
0
        public static bool ToImage(string pdfInputPath, string imageOutputPath, string imageName, ImageFormat imageFormat)
        {
            PDFFile pdfFile = PDFFile.Open(pdfInputPath);

            Data.pageCount = pdfFile.PageCount;
            int startPageNum = 1;
            int endPageNum   = Data.pageCount;

            Console.WriteLine(imageOutputPath);

            if (!Directory.Exists(Data.sourceImageDirpath))
            {
                Directory.CreateDirectory(Data.sourceImageDirpath);
            }
            else
            {
                Directory.Delete(Data.sourceImageDirpath, true);
                Directory.CreateDirectory(Data.sourceImageDirpath);
            }
            // validate pageNum
            if (startPageNum <= 0)
            {
                startPageNum = 1;
            }

            if (endPageNum > pdfFile.PageCount)
            {
                endPageNum = pdfFile.PageCount;
            }

            if (startPageNum > endPageNum)
            {
                startPageNum = endPageNum;
                endPageNum   = startPageNum;
            }

            Data.OriginalImages = new List <Bitmap>();
            // start to convert each page
            for (int i = startPageNum; i <= endPageNum; i++)
            {
                float pageWidth = (float)(pdfFile.GetPageSize(i - 1).Width / 72);
                //float pageHeight = (float)(pdfFile.GetPageSize(i - 1).Height / 72);
                float resolution = Data.panelWidth / pageWidth;
                //Bitmap pageImage = pdfFile.GetPageImage(i - 1, 56 * (int)definition);
                Bitmap pageImage = pdfFile.GetPageImage(i - 1, resolution);
                //if (!Directory.Exists(imageOutputPath))
                //    Directory.CreateDirectory(imageOutputPath + "\\images");
                pageImage.Save(imageOutputPath + "\\" + imageName + i.ToString() + "." + imageFormat.ToString(), imageFormat);
                string imgPath = imageOutputPath + "\\" + imageName + i.ToString() + "." + imageFormat.ToString();
                Data.OriginalImages.Add(new Bitmap(GetCopyImage(imgPath)));
                //File.Delete(imgPath);

                //Console.WriteLine($"page {i} converted, width:{Data.OriginalImages[i - 1].Width} height:{Data.OriginalImages[i - 1].Height}");
            }

            pdfFile.Dispose();
            //Data.OriginalImages.Clear();
            //File.Delete(imageOutputPath + "\\" + imageName + "1." + imageFormat.ToString());
            return(true);
        }
Example #7
0
        /// <summary>
        /// 将PDF文档转换为图片的方法
        /// </summary>
        /// <param name="pdfInputPath">PDF文件路径</param>
        /// <param name="imageOutputPath">图片输出路径</param>
        /// <param name="imageName">生成图片的名字</param>
        /// <param name="startPageNum">从PDF文档的第几页开始转换</param>
        /// <param name="endPageNum">从PDF文档的第几页开始停止转换</param>
        /// <param name="imageFormat">设置所需图片格式</param>
        /// <param name="definition">设置图片的清晰度,数字越大越清晰</param>
        private void ConvertPDF2ImageO2S(string pdfInputPath)
        {
            // Is NULL
            if (pdfInputPath == null)
            {
                m_nConvertStatus = EErrorType.PTJ_FILENAME_EMPTY;
            }
            PDFFile pdfFile = PDFFile.Open(pdfInputPath);

            try
            {
                m_nTotalPage = pdfFile.PageCount;
                PrintLog("ConvertStatus:" + (int)ConvertStatus.START + " " + 0 + " " + m_nTotalPage);
                // start to convert each page
                for (int i = 0; i < m_nTotalPage; i++)
                {
                    PrintLog("ConvertStatus:" + (int)ConvertStatus.ING + " " + (i + 1).ToString() + " " + m_nTotalPage);
                    string strJPGName = m_strOutDir + "\\" + Path.GetFileNameWithoutExtension(pdfInputPath) + "_" + m_nTotalPage + "_" + (i + 1).ToString() + ".jpg";
                    Bitmap pageImage  = pdfFile.GetPageImage(i, 56 * (int)m_dQuality);
                    pageImage.Save(strJPGName, ImageFormat.Jpeg);
                    pageImage.Dispose();
                }
            }
            catch (Exception ex)
            {
                PrintLog(ex.Message.ToString());
                m_nConvertStatus = EErrorType.PTJ_EXCEPTION_FAILED;
            }
            finally
            {
                pdfFile.Dispose();
            }
        }
Example #8
0
        public static int LeafletPdf2JPG(string pdfPath, string fileID, string taskID)
        {
            //Aspose.Pdf.Document pdf = new Aspose.Pdf.Document(pdfPath);
            curIndex = 1;
            int    highHeightUnit = 0;
            string root           = Path.Combine(OfficeHelper.GetFolderPath(taskID, "Office"), fileID);

            imgHeight = 0; listBitmaps = new Dictionary <string, Bitmap>();
            if (!Directory.Exists(@root))
            {
                Directory.CreateDirectory(@root);
            }

            /*O2S.Components.PDFRender4NET.dll方式*/
            PDFFile       pdfFile   = PDFFile.Open(pdfPath);
            int           pageCount = pdfFile.PageCount;
            List <Bitmap> listImage = new List <Bitmap>();

            for (int i = 1; i <= pageCount; i++)
            {
                Bitmap bitmap = pdfFile.GetPageImage(i - 1, 56 * (int)Definition.Two);
                if (bitmap != null)
                {
                    listImage.Add(bitmap);
                }
            }
            highHeightUnit = MergerImageAndCut(listImage, root, true);

            /*Aspose.Pdf方式,比较慢*/
            //for (int pageCount = 1; pageCount <= pdf.Pages.Count; pageCount++)
            //{
            //    string fileName = root + "\\" + pageCount + ".jpg";
            //    using (FileStream imageStream = new FileStream(fileName, FileMode.Create))
            //    {
            //        Aspose.Pdf.Devices.Resolution resolution = new Aspose.Pdf.Devices.Resolution(300);
            //        Aspose.Pdf.Devices.PngDevice pngDevice = new Aspose.Pdf.Devices.PngDevice(resolution);
            //        pngDevice.Process(pdf.Pages[pageCount], imageStream);


            //        Image image = Image.FromStream(imageStream);
            //        imageStream.Close();
            //        if (image != null)
            //            ImgCutSave(image, root, pageCount); //代码截图
            //    }
            //    if (File.Exists(fileName))
            //        File.Delete(fileName);
            //}

            foreach (KeyValuePair <string, Bitmap> bitmaps in listBitmaps)
            {
                Bitmap bitmap = bitmaps.Value;
                if (bitmap != null)
                {
                    ImageFormat imageFormat = ImageFormat.Jpeg;
                    bitmap.Save(bitmaps.Key, imageFormat);
                }
            }
            return(highHeightUnit);
        }
Example #9
0
 Bitmap GetCachedBmp(int pageIndex)
 {
     if (this.Pages[pageIndex].CachedMap == null)
     {
         this.Pages[pageIndex].CachedMap = pdfFile.GetPageImage(pageIndex, 300);
     }
     return(this.Pages[pageIndex].CachedMap);
 }
Example #10
0
        /// <summary>
        /// 将PDF转换为图片的方法
        /// </summary>
        /// <param name="pdfInputPath">PDF文件路径</param>
        /// <param name="imageOutputPath">图片输出路径</param>
        /// <param name="imageName">生成图片的名字</param>
        /// <param name="startPageNum">从PDF文档的第几页开始转换</param>
        /// <param name="endPageNum">从PDF文档的第几页开始停止转换</param>
        /// <param name="imageFormat">设置所需图片格式</param>
        /// <param name="definition">设置图片的清晰度,数字越大越清晰</param>
        public string[] PdfToPng(string pdfInputPath, string imageOutputPath,
                                 string imageName, int startPageNum, int endPageNum, ImageFormat imageFormat, int definition)
        {
            List <string> outFileList = new List <string>();
            PDFFile       pdfFile     = PDFFile.Open(pdfInputPath);

            if (!Directory.Exists(imageOutputPath))
            {
                Directory.CreateDirectory(imageOutputPath);
            }
            // validate pageNum
            if (startPageNum <= 0)
            {
                startPageNum = 1;
            }
            if (endPageNum > pdfFile.PageCount)
            {
                endPageNum = pdfFile.PageCount;
            }
            if (startPageNum > endPageNum)
            {
                int tempPageNum = startPageNum;
                startPageNum = endPageNum;
                endPageNum   = startPageNum;
            }
            // start to convert each page
            if (endPageNum == 1)
            {
                Bitmap pageImage = pdfFile.GetPageImage(1 - 1, 56 * (int)definition);
                pageImage.Save(imageOutputPath + imageName + "." + imageFormat, imageFormat);
                pageImage.Dispose();
                outFileList.Add(imageOutputPath + imageName + "." + imageFormat);
            }
            else
            {
                for (int i = startPageNum; i <= endPageNum; i++)
                {
                    Bitmap pageImage = pdfFile.GetPageImage(i - 1, 56 * (int)definition);
                    pageImage.Save(imageOutputPath + imageName + i + "." + imageFormat, imageFormat);
                    pageImage.Dispose();
                    outFileList.Add(imageOutputPath + imageName + i + "." + imageFormat);
                }
            }
            pdfFile.Dispose();
            return(outFileList.ToArray());;
        }
Example #11
0
        public List <List <Bitmap> > ConvertPDF2ListImage(string pdfInputPath, string imageOutputPath, string imageName, int startPageNum, int endPageNum, System.Drawing.Imaging.ImageFormat imageFormat, Definition definition)
        {
            List <List <Bitmap> > xList = new List <List <Bitmap> >();

            PDFFile pdfFile = PDFFile.Open(pdfInputPath);

            if (!Directory.Exists(imageOutputPath))

            {
                Directory.CreateDirectory(imageOutputPath);
            }

            // validate pageNum

            if (startPageNum <= 0)

            {
                startPageNum = 1;
            }

            if (endPageNum > pdfFile.PageCount)

            {
                endPageNum = pdfFile.PageCount;
            }

            if (startPageNum > endPageNum)

            {
                int tempPageNum = startPageNum;

                startPageNum = endPageNum;

                endPageNum = startPageNum;
            }

            // start to convert each page

            for (int i = startPageNum; i <= endPageNum; i++)
            {
                Bitmap pageImage = pdfFile.GetPageImage(i - 1, 56 * (int)definition);

                var x = _提取表格类.ConvertImage2form(pageImage);
                //pageImage.Save(imageOutputPath + imageName + i.ToString() + "." + imageFormat.ToString(), imageFormat);

                xList.Add(x);

                pageImage.Dispose();
            }

            pdfFile.Dispose();
            return(xList);
        }
        /// <summary>
        /// 将PDF文档转换为图片的方法
        /// </summary>
        /// <param name="pdfInputPath">PDF文件路径</param>
        /// <param name="imageOutputPath">图片输出路径</param>
        /// <param name="imageName">生成图片的名字</param>
        /// <param name="startPageNum">从PDF文档的第几页开始转换</param>
        /// <param name="endPageNum">从PDF文档的第几页开始停止转换</param>
        /// <param name="imageFormat">设置所需图片格式</param>
        /// <param name="definition">设置图片的清晰度,数字越大越清晰</param>
        public static int ConvertPDF2Image(string pdfInputPath, string imageOutputPath,
                                           string imageName, int?startPageNum, int?endPageNum, ImageFormat imageFormat, Definition definition = Definition.Five)
        {
            pdfInputPath = FileBasePath == null ? pdfInputPath : Path.Combine(FileBasePath, pdfInputPath);
            PDFFile pdfFile = PDFFile.Open(pdfInputPath);

            if (!Directory.Exists(imageOutputPath))
            {
                Directory.CreateDirectory(imageOutputPath);
            }

            // validate pageNum
            if (startPageNum <= 0)
            {
                startPageNum = 1;
            }

            if (endPageNum > pdfFile.PageCount)
            {
                endPageNum = pdfFile.PageCount;
            }

            if (startPageNum == null)
            {
                startPageNum = 1;
            }

            if (endPageNum == null)
            {
                endPageNum = pdfFile.PageCount;
            }

            if (startPageNum > endPageNum)
            {
                int tempPageNum = (int)startPageNum;
                startPageNum = endPageNum;
                endPageNum   = startPageNum;
            }

            // start to convert each page
            for (int i = (int)startPageNum; i <= endPageNum; i++)
            {
                Bitmap pageImage = pdfFile.GetPageImage(i - 1, 56 * (int)definition);
                pageImage.Save(imageOutputPath + imageName + i.ToString() + "." + imageFormat.ToString(), imageFormat);
                pageImage.Dispose();
            }
            int pagecount = pdfFile.PageCount;

            pdfFile.Dispose();
            return(pagecount);
        }
Example #13
0
        /// <summary>
        /// 生成缩略图,只生成第一张页面的缩略图
        /// </summary>
        /// <param name="fileBuffer">文件的字节数组</param>
        /// <param name="fileType">文件类型,目前支持:Word、Excel、PDF</param>
        public static byte[] ConvertToSnap(byte[] fileBuffer, string fileType)
        {
            var snapStream = new MemoryStream();

            if (fileType == "xls" || fileType == "xlsx")
            {
                var book       = new Aspose.Cells.Workbook(new MemoryStream(fileBuffer));
                var sheet      = book.Worksheets[0];
                var imgOptions = new Aspose.Cells.Rendering.ImageOrPrintOptions
                {
                    OnePagePerSheet      = true,
                    VerticalResolution   = 400,
                    HorizontalResolution = 300,
                    ImageFormat          = System.Drawing.Imaging.ImageFormat.Jpeg
                };
                var sr = new Aspose.Cells.Rendering.SheetRender(sheet, imgOptions);
                sr.ToImage(0, snapStream);
            }
            else if (fileType == "doc" || fileType == "docx")
            {
                var doc        = new Aspose.Words.Document(new MemoryStream(fileBuffer));
                var imgOptions = new Aspose.Words.Saving.ImageSaveOptions(Aspose.Words.SaveFormat.Jpeg)
                {
                    Resolution = 400,
                };
                doc.Save(snapStream, imgOptions);
            }
            else if (fileType == "pdf")
            {
                //aspose有性能问题
                //var converter = new Aspose.Pdf.Facades.PdfConverter();
                //converter.BindPdf(new Aspose.Pdf.Document(new MemoryStream(fileBuffer)));
                //converter.DoConvert();
                //converter.GetNextImage(snapStream, new Aspose.Pdf.PageSize(200, 150), System.Drawing.Imaging.ImageFormat.Jpeg,30);

                //换用ghostscript
                //GhostscriptRasterizer rasterizer = new GhostscriptRasterizer();
                //rasterizer.Open(new MemoryStream(fileBuffer));
                //Image page = rasterizer.GetPage(96, 96, 1);
                //page.Save(snapStream, ImageFormat.Jpeg);

                PDFFile pdfFile = PDFFile.Open(new MemoryStream(fileBuffer));
                Bitmap  bitmap  = pdfFile.GetPageImage(0, 56 * (int)Definition.Two);
                bitmap.Save(snapStream, ImageFormat.Jpeg);
            }

            var result = snapStream.ToArray();

            snapStream.Close();
            return(result);
        }
Example #14
0
        private static bool convertPDFToImage(Log4netUtil.LogAppendToForms logAppendToForms, string pdfInputPath, string imageOutputPath,
                                              string imageName, int startPageNum, int endPageNum, ImageFormat imageFormat, Definition definition, bool isDebug)
        {
            PDFFile pdfFile = PDFFile.Open(pdfInputPath);

            try
            {
                if (!Directory.Exists(imageOutputPath))
                {
                    Directory.CreateDirectory(imageOutputPath);
                }
                if (startPageNum <= 0)
                {
                    startPageNum = 1;
                }
                if (endPageNum > pdfFile.PageCount)
                {
                    endPageNum = pdfFile.PageCount;
                }
                if (startPageNum > endPageNum)
                {
                    int tempPageNum = startPageNum;
                    startPageNum = endPageNum;
                    endPageNum   = startPageNum;
                }
                for (int i = startPageNum; i <= endPageNum; i++)
                {
                    Bitmap pageImage = pdfFile.GetPageImage(i - 1, 56 * (int)definition);
                    string extension = imageFormat.ToString();
                    if (string.Equals(extension.ToLower(), "jpeg"))
                    {
                        extension = "jpg";
                    }
                    pageImage.Save(imageOutputPath + imageName + "." + extension, imageFormat);
                    //pageImage.Save(imageOutputPath + imageName + i.ToString() + "." + extension, imageFormat);
                    pageImage.Dispose();
                }
                return(true);
            }

            catch (Exception ex)
            {
                string logMessage = string.Format("【随货同行下载任务】 PdfInputPath {0} 转换图片失败!原因,{1}", pdfInputPath, ex.Message);
                Log4netUtil.Log4NetHelper.LogMessage(logAppendToForms, isDebug, logMessage, @"KJJ\DownloadDataBusiness");
                return(false);
            }
            finally
            {
                pdfFile.Dispose();
            }
        }
Example #15
0
        /// <summary>
        /// 转换PDF为指定格式的图片
        /// </summary>
        /// <param name="pdfInputStream"></param>
        /// <param name="imageFormat"></param>
        /// <param name="resolution">清晰度,分为10级(数字1-10)</param>
        /// <returns></returns>
        public static IList <Stream> ConvertPdfToImage(Stream inputStream, ImageFormat imageFormat, int resolution)
        {
            PDFFile pdfFile = PDFFile.Open(inputStream);

            IList <Stream> result = new List <Stream>();

            for (int i = 0; i < pdfFile.PageCount; i++)
            {
                Bitmap pageImage = pdfFile.GetPageImage(i, 56 * (int)resolution);
                result.Add(ConvertBitmap.ToMemoryStream(pageImage, imageFormat));
            }
            pdfFile.Dispose();

            return(result);
        }
Example #16
0
        /// <summary>
        /// pdf转bitmap
        /// </summary>
        /// <param name="pdfPath">pdf文件路径</param>
        /// <param name="usedAllPage">全部转换</param>
        /// <param name="startPageNum">开始页数</param>
        /// <param name="endPageNum">结束页数</param>
        /// <param name="definition">转换质量(1~10)</param>
        /// <returns></returns>
        private List <Bitmap> PdfConvertBitmap(string pdfPath, bool usedAllPage, int startPageNum, int endPageNum, int definition)
        {
            List <Bitmap> bitmaps = new List <Bitmap>();
            //打开pdf文件
            PDFFile pdfFile = PDFFile.Open(pdfPath);

            //页数处理
            if (usedAllPage)
            {
                startPageNum = 1;
                endPageNum   = pdfFile.PageCount;
            }
            else
            {
                if (startPageNum <= 0)
                {
                    startPageNum = 1;
                }
                if (endPageNum > pdfFile.PageCount)
                {
                    endPageNum = pdfFile.PageCount;
                }
                if (startPageNum > endPageNum)
                {
                    int tempPageNum = startPageNum;
                    startPageNum = endPageNum;
                    endPageNum   = startPageNum;
                }
            }
            //转换质量处理
            if (definition < 0)
            {
                definition = 1;
            }
            if (definition > 10)
            {
                definition = 10;
            }
            //转换图像
            for (int i = startPageNum; i <= endPageNum; i++)
            {
                Bitmap pageImage = pdfFile.GetPageImage(i - 1, 56 * definition);
                bitmaps.Add(pageImage);
            }
            pdfFile.Dispose();

            return(bitmaps);
        }
        private void ConvertPDF2Image(string pdfInputPath, string imageOutputPath, string imageName, int startPageNum, int endPageNum, ImageFormat imageFormat, Definition definition)
        {
            PDFFile pdfFile = PDFFile.Open(pdfInputPath);

            if (!Directory.Exists(imageOutputPath))
            {
                Directory.CreateDirectory(imageOutputPath);
            }
            for (int i = startPageNum; i <= endPageNum; i++)
            {
                Bitmap pageImage = pdfFile.GetPageImage(i - 1, 56 * (int)definition);
                pageImage.Save(imageOutputPath + imageName + "." + imageFormat.ToString(), imageFormat);
                pageImage.Dispose();
            }
            pdfFile.Dispose();
        }
Example #18
0
        /// <summary>
        /// 将PDF文档转换为图片的方法
        /// </summary>
        /// <param name="pdfInputPath">PDF文件路径</param>
        /// <param name="imageOutputPath">图片输出路径</param>
        /// <param name="imageName">生成图片的名字</param>
        /// <param name="startPageNum">从PDF文档的第几页开始转换</param>
        /// <param name="endPageNum">从PDF文档的第几页开始停止转换</param>
        /// <param name="imageFormat">设置所需图片格式</param>
        /// <param name="definition">设置图片的清晰度,数字越大越清晰</param>
        public static void ConvertPDF2Image(string pdfInputPath, string imageOutputPath,
                                            string imageName, int startPageNum, int endPageNum, ImageFormat imageFormat, int definition) //Definition definition)
        {
            PDFFile pdfFile = PDFFile.Open(pdfInputPath);

            if (!Directory.Exists(imageOutputPath))
            {
                Directory.CreateDirectory(imageOutputPath);
            }

            // validate pageNum
            if (startPageNum <= 0)
            {
                startPageNum = 1;
            }

            if (endPageNum > pdfFile.PageCount)
            {
                endPageNum = pdfFile.PageCount;
            }

            if (startPageNum > endPageNum)
            {
                int tempPageNum = startPageNum;
                startPageNum = endPageNum;
                endPageNum   = startPageNum;
            }

            // start to convert each page
            for (int i = startPageNum; i <= endPageNum; i++)
            {
                Bitmap pageImage = pdfFile.GetPageImage(i - 1, 56 * (int)definition);
                string savefile  = imageOutputPath + "\\" + imageName + "_" + i.ToString().PadLeft(3, '0') + "." + imageFormat.ToString();
                System.Console.WriteLine("savefile:" + savefile);
                if (!File.Exists(savefile))
                {
                    pageImage.Save(savefile, imageFormat);
                    //pageImage.Save(imageOutputPath + imageName , imageFormat);
                }
                pageImage.Dispose();
            }

            pdfFile.Dispose();
        }
Example #19
0
        /// <summary>
        /// 将PDF文档转换为图片的方法
        /// </summary>
        /// <param name="pdfInputPath">PDF文件路径</param>
        /// <param name="imageOutputPath">图片输出路径</param>
        /// <param name="imageName">生成图片的名字</param>
        /// <param name="startPageNum">从PDF文档的第几页开始转换</param>
        /// <param name="endPageNum">从PDF文档的第几页开始停止转换</param>
        /// <param name="imageFormat">设置所需图片格式</param>
        /// <param name="definition">设置图片的清晰度,数字越大越清晰</param>
        public static void ConvertPdf2Image(string pdfInputPath, string imageOutputPath, string imageName, int startPageNum, int endPageNum, ImageFormat imageFormat, Definition definition)
        {
            if (File.Exists(pdfInputPath))
            {
                PDFFile pdfFile = PDFFile.Open(pdfInputPath);
                if (!Directory.Exists(imageOutputPath))
                {
                    Directory.CreateDirectory(imageOutputPath);
                }
                if (startPageNum <= 0)
                {
                    startPageNum = 1;
                }
                if (endPageNum > pdfFile.PageCount)
                {
                    endPageNum = pdfFile.PageCount;
                }
                if (startPageNum > endPageNum)
                {
                    startPageNum = endPageNum;
                    endPageNum   = startPageNum;
                }
                for (int i = startPageNum; i <= endPageNum; i++)
                {
                    Bitmap pageImage    = pdfFile.GetPageImage(i - 1, 56 * (int)definition);
                    int    canKao       = pageImage.Width > pageImage.Height ? pageImage.Height : pageImage.Width;
                    int    newHeight    = canKao > 1080 ? pageImage.Height / 2 : pageImage.Height;
                    int    newWidth     = canKao > 1080 ? pageImage.Width / 2 : pageImage.Width;
                    Bitmap newPageImage = new Bitmap(newWidth, newHeight);

                    Graphics g = Graphics.FromImage(newPageImage);
                    g.InterpolationMode = InterpolationMode.Default;

                    g.DrawImage(pageImage, new Rectangle(0, 0, newWidth, newHeight), new Rectangle(0, 0, pageImage.Width, pageImage.Height), GraphicsUnit.Pixel);
                    newPageImage.Save(imageOutputPath + imageName + "." + imageFormat, imageFormat);
                    g.Dispose();
                    newPageImage.Dispose();
                    pageImage.Dispose();
                }
                pdfFile.Dispose();
            }
        }
Example #20
0
        public int ConvertPDF2Image(string pdfInputPath, string imageOutputPath,
                                    string imageName, int startPageNum, int endPageNum, ImageFormat imageFormat, Definition definition)
        {
            PDFFile pdfFile   = PDFFile.Open(pdfInputPath);
            int     fileCount = pdfFile.PageCount;

            if (!Directory.Exists(imageOutputPath))
            {
                Directory.CreateDirectory(imageOutputPath);
            }

            // validate pageNum
            if (startPageNum <= 0)
            {
                startPageNum = 1;
            }

            if (endPageNum > pdfFile.PageCount)
            {
                endPageNum = pdfFile.PageCount;
            }

            if (startPageNum > endPageNum)
            {
                int tempPageNum = startPageNum;
                startPageNum = endPageNum;
                endPageNum   = startPageNum;
            }

            // start to convert each page
            for (int i = startPageNum; i <= pdfFile.PageCount; i++)
            {
                Bitmap pageImage    = pdfFile.GetPageImage(i - 1, 56 * (int)definition);
                Bitmap pageImageNew = ZoomAuto(pageImage, 1280, 1024);//KiResizeImage(pageImage, 1280, 1024);
                pageImageNew.Save(imageOutputPath + "\\" + imageName + i.ToString() + "." + imageFormat.ToString(), imageFormat);
                pageImageNew.Dispose();
            }

            pdfFile.Dispose();
            return(fileCount);
        }
        /// <summary>
        /// 将PDF文档转换为图片的方法
        /// </summary>
        /// <param name="pdfInputPath">PDF文件路径</param>
        /// <param name="imageOutputPath">图片输出路径</param>
        /// <param name="imageName">生成图片的名字</param>
        /// <param name="startPageNum">从PDF文档的第几页开始转换</param>
        /// <param name="endPageNum">从PDF文档的第几页开始停止转换</param>
        /// <param name="imageFormat">设置所需图片格式</param>
        /// <param name="definition">设置图片的清晰度,数字越大越清晰</param>
        public DataTable ConvertPDF2Image(string pdfInputPath, int startPageNum, int endPageNum, ImageFormat imageFormat, Definition definition)
        {
            // pdfInputPath = "\\\\192.168.23.75\\web\\TEMPPDF\\1.pdf";
            PDFFile   pdfFile = PDFFile.Open(pdfInputPath);
            DataTable dtImage = new DataTable("ImageData");

            dtImage.Columns.Add("PageCount", typeof(System.Int32));
            DataColumn ImagePrint = new DataColumn("ImagePrint", typeof(Image));

            dtImage.Columns.Add(ImagePrint);
            if (startPageNum <= 0)
            {
                startPageNum = 1;
            }
            if (endPageNum > pdfFile.PageCount)
            {
                endPageNum = pdfFile.PageCount;
            }
            if (startPageNum > endPageNum)
            {
                int tempPageNum = startPageNum;
                startPageNum = endPageNum;
                endPageNum   = startPageNum;
            }

            for (int i = startPageNum; i <= endPageNum; i++)
            {
                Bitmap       pageImage = pdfFile.GetPageImage(i - 1, 56 * (int)definition);
                MemoryStream ms        = new MemoryStream();
                pageImage.Save(ms, imageFormat);
                Image   datatableImage = Image.FromStream(ms);
                DataRow newRow         = dtImage.NewRow();
                newRow["PageCount"]  = i;
                newRow["ImagePrint"] = datatableImage;
                dtImage.Rows.Add(newRow);
                pageImage.Dispose();
            }
            pdfFile.Dispose();
            return(dtImage);
        }
Example #22
0
        private string ProcessPage(PDFFile pdf, string destDir, string guid, int pageIndex, int pageCount, int imgQuality)
        {
            string imgPaths = destDir + guid;//Guid.NewGuid().ToString();

            if (!Directory.Exists(imgPaths))
            {
                Directory.CreateDirectory(imgPaths);
            }

            if (imgQuality == 0)
            {
                imgQuality = 100;
            }

            Bitmap oriBmp = pdf.GetPageImage(pageIndex, 96);

            Bitmap bmp = ImageUtility.CutAsBmp(oriBmp, CutBorderWidth, CutTopHeight, oriBmp.Width - 2 * CutBorderWidth, oriBmp.Height - CutTopHeight - CutBottomHeight);

            string result = string.Format(@"{0}\{1}.jpg", imgPaths, pageIndex);

            if (bmp.Width >= 700)
            {
                _imageHeight = (int)bmp.Height; // / 2;
                _imageWidth  = (int)bmp.Width;  // / 2;
                ImageUtility.ThumbAsJPG(bmp, result, _imageWidth, _imageHeight, imgQuality);

                //tempImg = bmp.GetThumbnailImage((int)bmp.Width / 2, (int)bmp.Height / 2, new Image.GetThumbnailImageAbort(ThumbnailCallback), IntPtr.Zero);
                //tempImg.Save(string.Format(@"{0}\{1}-ori.jpg", imgPaths, i), System.Drawing.Imaging.ImageFormat.Jpeg);
            }
            else
            {
                _imageHeight = bmp.Height;
                _imageWidth  = bmp.Width;

                ImageUtility.CompressAsJPG(bmp, result, imgQuality);
            }
            return(result);
            //bmp.Save(string.Format(@"{0}\{1}.jpg",imgPaths,i), System.Drawing.Imaging.ImageFormat.Jpeg);
        }
Example #23
0
        /// <summary>
        /// 将PDF文档转换为图片的方法【官方方法】
        /// </summary>
        /// <param name="pdfInputPath">PDF文件路径</param>
        /// <param name="imageOutputPath">图片输出路径</param>
        /// <param name="imageName">生成图片的名字</param>
        /// <param name="startPageNum">从PDF文档的第几页开始转换</param>
        /// <param name="endPageNum">从PDF文档的第几页开始停止转换</param>
        /// <param name="imageFormat">设置所需图片格式</param>
        /// <param name="resolution">清晰度,分为10级(数字1-10)</param>
        public static void ConvertPdfToImage(string pdfInputPath, string imageOutputPath,
                                             string imageName, int startPageNum, int endPageNum, ImageFormat imageFormat, int resolution)
        {
            PDFFile pdfFile = PDFFile.Open(pdfInputPath);

            if (!Directory.Exists(imageOutputPath))
            {
                Directory.CreateDirectory(imageOutputPath);
            }
            // validate pageNum
            if (startPageNum <= 0)
            {
                startPageNum = 1;
            }
            if (endPageNum > pdfFile.PageCount)
            {
                endPageNum = pdfFile.PageCount;
            }
            if (startPageNum > endPageNum)
            {
                int tempPageNum = startPageNum;
                startPageNum = endPageNum;
                endPageNum   = startPageNum;
            }
            // start to convert each page
            for (int i = startPageNum; i <= endPageNum; i++)
            {
                Bitmap pageImage = pdfFile.GetPageImage(i - 1, 56 * (int)resolution);
                pageImage.Save(imageOutputPath + imageName + i.ToString() + "." + imageFormat.ToString(), imageFormat);
                pageImage.Dispose();
            }
            pdfFile.Dispose();

            /*
             *  官方调用方式
             *  ConvertPdfToImage("F:\\Events.pdf", "F:\\", "A", 1, 5, ImageFormat.Jpeg, 1);
             */
        }
        /// <summary>
        /// 将PDF文档转换为图片的方法
        /// </summary>
        /// <param name="pdfInputPath">PDF文件路径</param>
        /// <param name="startPageNum">从PDF文档的第几页开始转换</param>
        /// <param name="endPageNum">从PDF文档的第几页开始停止转换</param>
        /// <param name="definition">设置图片的清晰度,数字越大越清晰</param>
        public static List <Bitmap> Convert(string pdfInputPath, int startPageNum = -1, int endPageNum = -1, Definition definition = Definition.Ten)
        {
            using (PDFFile pdfFile = PDFFile.Open(pdfInputPath))
            {
                if (startPageNum <= 1)
                {
                    startPageNum = 1;
                }
                // validate pageNum
                if (startPageNum <= 0)
                {
                    startPageNum = 1;
                }

                if (endPageNum > pdfFile.PageCount || endPageNum < 1)
                {
                    endPageNum = pdfFile.PageCount;
                }

                if (startPageNum > endPageNum)
                {
                    int tempPageNum = startPageNum;
                    startPageNum = endPageNum;
                    endPageNum   = startPageNum;
                }

                List <Bitmap> bmps = new List <Bitmap>();
                // start to convert each page
                for (int i = startPageNum; i <= endPageNum; i++)
                {
                    Bitmap pageImage = pdfFile.GetPageImage(i - 1, 56 * (int)definition);
                    bmps.Add(pageImage);
                }
                return(bmps);
            }
        }
Example #25
0
        /// <summary>
        /// 将PDF文档转换为图片的方法
        /// </summary>
        /// <param name="pdfInputPath">PDF文件路径</param>
        /// <param name="imageOutputPath">图片输出完整路径(包括文件名)</param>
        /// <param name="startPageNum">从PDF文档的第几页开始转换</param>
        /// <param name="endPageNum">从PDF文档的第几页开始停止转换</param>
        /// <param name="imageFormat">设置所需图片格式</param>
        /// <param name="definition">设置图片的清晰度,数字越大越清晰</param>
        /// <returns></returns>
        public static void ConvertPdf2Image(string pdfInputPath, string imageOutputPath, string imageName,
                                            int startPageNum, int endPageNum, ImageFormat imageFormat, Definition definition, ref string logContent)
        {
            try
            {
                using (PDFFile pdfFile = PDFFile.Open(pdfInputPath))
                {
                    logContent += "成功打开" + pdfInputPath + "文件";
                    if (startPageNum <= 0)
                    {
                        startPageNum = 1;
                    }

                    if (endPageNum > pdfFile.PageCount)
                    {
                        endPageNum = pdfFile.PageCount;
                    }

                    if (startPageNum > endPageNum)
                    {
                        int tempPageNum = startPageNum;
                        startPageNum = endPageNum;
                        endPageNum   = startPageNum;
                    }

                    var bitMap = new Bitmap[endPageNum];
                    //设置保存路径,如果没有文件夹的话就重新创建一个
                    imageOutputPath += "\\" + imageName + "\\";
                    if (!Directory.Exists(imageOutputPath))
                    {
                        Directory.CreateDirectory(imageOutputPath);
                        logContent += "成功保存" + imageOutputPath + "文件夹";
                    }
                    for (int i = startPageNum; i <= endPageNum; i++)
                    {
                        Bitmap   pageImage    = pdfFile.GetPageImage(i - 1, 56 * (int)definition);
                        Bitmap   newPageImage = new Bitmap(pageImage.Width / 4, pageImage.Height / 4);
                        Graphics g            = Graphics.FromImage(newPageImage);
                        g.InterpolationMode = InterpolationMode.HighQualityBicubic;
                        //重新画图的时候Y轴减去130,高度也减去130  这样水印就看不到了
                        g.DrawImage(pageImage, new System.Drawing.Rectangle(0, 0, pageImage.Width / 4, pageImage.Height / 4),
                                    new System.Drawing.Rectangle(0, 130, pageImage.Width, pageImage.Height - 130), GraphicsUnit.Pixel);
                        bitMap[i - 1] = newPageImage;

                        string saveFilePath = imageOutputPath + i.ToString() + "." + imageFormat.ToString();
                        bitMap[i - 1].Save(saveFilePath, imageFormat);
                        bitMap[i - 1].Dispose();
                        g.Dispose();
                        pageImage.Dispose();
                        newPageImage.Dispose();
                        //图片保存的大小
                        ImageUtil.SetImgSize(saveFilePath, 1180, 1572);
                    }
                    logContent += "成功保存完所有图片";
                    //把所有的图片保存到文件夹中
                    // SaveImgToFolder(imageOutputPath, imageName, imageFormat, bitMap);
                }
            }
            catch (Exception ex)
            {
                logContent += ex.ToString();
                throw ex;
            }
            finally
            {
                GC.Collect();
                GC.WaitForPendingFinalizers();
                GC.Collect();
                GC.WaitForPendingFinalizers();
            }
        }
Example #26
0
        /// <summary>
        /// 将PDF文档转换为图片的方法
        /// </summary>
        /// <param name="pdfInputPath">PDF文件路径</param>
        /// <param name="imageOutputPath">图片输出路径</param>
        /// <param name="imageName">生成图片的名字</param>
        /// <param name="startPageNum">从PDF文档的第几页开始转换</param>
        /// <param name="endPageNum">从PDF文档的第几页开始停止转换</param>
        /// <param name="imageFormat">设置所需图片格式</param>
        /// <param name="definition">设置图片的清晰度,数字越大越清晰</param>
        public string ConvertPDF2Image(Stream stream, string imageOutputPath,
                                       string imageName, int startPageNum, int endPageNum, ImageFormat imageFormat, Definition definition)
        {
            string uploadResult;
            string FileNames = "";

            PDFFile pdfFile = PDFFile.Open(stream);

            //if (!Directory.Exists(imageOutputPath))
            //{
            //    Directory.CreateDirectory(imageOutputPath);
            //}

            // validate pageNum
            if (startPageNum <= 0)
            {
                startPageNum = 1;
            }

            if (endPageNum > pdfFile.PageCount)
            {
                endPageNum = pdfFile.PageCount;
            }

            if (startPageNum > endPageNum)
            {
                int tempPageNum = startPageNum;
                startPageNum = endPageNum;
                endPageNum   = startPageNum;
            }

            // start to convert each page
            for (int i = startPageNum; i <= endPageNum; i++)
            {
                Bitmap pageImage = pdfFile.GetPageImage(i - 1, 56 * (int)definition);

                ImgUploadFromBase64Req entity = new ImgUploadFromBase64Req();
                entity.Id        = 10;
                entity.Type      = (int)ImgType.CartPic;
                entity.FileName  = imageName + i.ToString() + ".png";
                entity.Base64Img = GetBase64FromImage(pageImage);;
                //NetLog.WriteTextLog("生成base64编码", "Base64-" + i + "=" + entity.Base64Img, DateTime.Now);
                uploadResult = ImgClient.UploadImg(entity);
                //获取上传后的返回信息
                ImgUploadRes uploadRes = XpShop.Common.XpShopJSONHelper.Deserialize <XpShop.Client.Entity.ImgUploadRes>(uploadResult);
                if (uploadRes.ErrorFlag == 0)
                {
                    FileNames = FileNames + uploadRes.Img1 + "|";
                }
                else
                {
                    Response.Write("上传失败,原因:" + uploadRes.ErrorMsg);
                }

                //pageImage.Save(imageOutputPath + imageName + i.ToString() + "." + imageFormat.ToString(), imageFormat);
                pageImage.Dispose();
            }
            Response.Write("上传成功,文件名:" + FileNames);
            pdfFile.Dispose();
            return(FileNames);
        }
Example #27
0
        /// <summary>
        /// 获取生产计划所需图纸文件
        /// </summary>
        /// <returns></returns>
        public static ResultModel DownLoadPlanNeedFile()
        {
            string url    = uri + "GetPlanNeedFile?pRouteID=" + StoreInfo.CurrentWorkingTicket.ProcessRouteID + "&productID=" + StoreInfo.CurrentWorkingTicket.ProductID;
            var    result = HttpHelper.GetTByUrl <ResultModel <List <FileInfoEntity> > >(url);

            if (result.Result)
            {
                int      errNum   = 0;
                string[] fileType = new string[] { ".jpg", ".png", ".dwg", ".pdf", };
                StoreInfo.CurrentPlanFiles.Clear();
                foreach (var item in result.Data)
                {
                    if (fileType.Contains(Path.GetExtension(item.FileName).ToLower()))
                    {
                        if (!File.Exists($"{ConfigInfo.DocDirName}\\{item.FileName}"))
                        {
                            if (!FtpHelper.DownLoad(item))
                            {
                                errNum++;
                                continue;
                            }
                        }

                        if (Path.GetExtension(item.FileName).ToLower().Equals(".pdf"))
                        {
                            using (FileStream fs = new FileStream(string.Format(@"{0}\{1}", ConfigInfo.DocDirName, item.FileName), FileMode.Open))
                            {
                                PDFFile pdfFile = PDFFile.Open(fs);
                                for (int i = 0; i < pdfFile.PageCount; i++)
                                {
                                    string filePath = $"{ConfigInfo.DocDirName}\\{Path.GetFileNameWithoutExtension(item.FileName)}_{(i + 1)}.png";
                                    if (!File.Exists(filePath))
                                    {
                                        Bitmap pageImage = pdfFile.GetPageImage(i, 56 * 10);
                                        pageImage.Save(filePath, ImageFormat.Png);
                                    }

                                    StoreInfo.CurrentPlanFiles.Add(new FileInfoEntity()
                                    {
                                        DocName        = item.DocName,
                                        FileName       = Path.GetFileName(filePath),
                                        FileAddress    = filePath,
                                        WebAddressType = WebAddressTypeEnum.Local
                                    });
                                }
                                pdfFile.Dispose();
                            }
                        }
                        else
                        {
                            StoreInfo.CurrentPlanFiles.Add(item);
                        }
                    }
                }
                bool isOK = errNum.Equals(0);
                return(new ResultModel()
                {
                    Result = isOK,
                    Msg = isOK ? @"下载成功!" : $"{errNum}个文件下载失败!"
                });
            }
            return(new ResultModel()
            {
                Result = result.Result,
                Msg = result.Msg
            });
        }
Example #28
0
        public MemoryStream GetPdfImagePageStream(string pdfInputPath, int pageIndex, ImageFormat format, int width = 1600, int height = 2560, int quality = 10)
        {
            try
            {
                //pdf处理插件
                PDFFile pdfFile = PDFFile.Open(pdfInputPath);
                int     total   = pdfFile.PageCount;

                #region 防止异常参数
                if (pageIndex < 0)
                {
                    pageIndex = 0;
                }
                if (pageIndex > total)
                {
                    pageIndex = total - 1;
                }
                if (quality < 1)
                {
                    quality = 1;
                }
                if (quality > 10)
                {
                    quality = 10;
                }
                if (width <= 0)
                {
                    width = 1;
                }

                if (height <= 0)
                {
                    height = 1;
                }
                #endregion

                //pdf转换图片
                SizeF pageSize = pdfFile.GetPageSize(pageIndex);

                Bitmap pageImage = pdfFile.GetPageImage(pageIndex, 56 * quality);

                MemoryStream ms = new MemoryStream();

                pageImage.Save(ms, format);

                //原图
                Image img = Image.FromStream(ms, true);

                double ratio = (double)width / (double)height;

                double oRatio = (double)img.Width / (double)img.Height;

                int sbWidth = 0;

                int sbHeight = 0;

                int outX = 0;
                int outY = 0;

                if (oRatio < ratio)
                {
                    sbWidth  = (int)(img.Width * ((double)height / (double)(img.Height)));
                    sbHeight = height;

                    outX = (width - sbWidth) / 2;
                }
                else
                {
                    sbHeight = (int)(img.Height * ((double)width / (double)(img.Width)));
                    sbWidth  = width;

                    outY = (height - sbHeight) / 2;
                }

                //缩放
                Image    sbImg = new Bitmap(sbWidth, sbHeight);
                Graphics sbGra = Graphics.FromImage(sbImg);
                sbGra.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
                sbGra.SmoothingMode     = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
                sbGra.Clear(Color.White);
                sbGra.DrawImage(img, new System.Drawing.Rectangle(0, 0, sbWidth, sbHeight), new System.Drawing.Rectangle(0, 0, img.Width, img.Height), System.Drawing.GraphicsUnit.Pixel);

                //补白
                Image    outImg = new System.Drawing.Bitmap(width, height);
                Graphics outGra = System.Drawing.Graphics.FromImage(outImg);
                outGra.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
                outGra.SmoothingMode     = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
                outGra.Clear(Color.White);
                outGra.DrawImage(sbImg, new System.Drawing.Rectangle(outX, outY, sbWidth, sbHeight), new System.Drawing.Rectangle(0, 0, sbWidth, sbHeight), System.Drawing.GraphicsUnit.Pixel);

                MemoryStream outMs = new MemoryStream();

                outImg.Save(outMs, format);

                sbImg.Dispose();
                outImg.Dispose();
                img.Dispose();

                return(outMs);
            }
            catch (Exception ex)
            {
            }

            return(new MemoryStream());
        }
Example #29
0
        /// <summary>
        /// 绑定PDF用于显示
        /// </summary>
        /// 根据病理号和住院号获得病人的诊断PDF
        /// PDFLJ1常规报告路径  PDFLJ2 补充报告路径
        private void BindPDF(string blh, string zyh)
        {
            try
            {
                string[] pathinfo = DS_SqlService.GetConfigValueByKey("PathologicPathInfo").Split(',');
                string   ippath   = string.Empty;
                string   username = string.Empty;
                string   pwd      = string.Empty;
                if (pathinfo.Length >= 3)
                {
                    ippath   = pathinfo[0].ToString().Trim();
                    username = pathinfo[1].ToString().Trim();
                    pwd      = pathinfo[2].ToString().Trim();
                }
                DataTable PathDT = new DataTable();
                PathDT = DS_SqlHelper.ExecuteDataTable(string.Format("select PDFLJ1,PDFLJ2 from PATHOLOGICREPORT where F_BLH='{0}' and F_BRBH='{1}'", blh, zyh));
                string cgportpath = string.Empty; //常规报告路径
                string bcportpath = string.Empty; //补充报告路径
                if (PathDT != null && PathDT.Rows.Count > 0)
                {
                    cgportpath = PathDT.Rows[0]["PDFLJ1"].ToString();
                    bcportpath = PathDT.Rows[0]["PDFLJ2"].ToString();
                }

                if (!Directory.Exists("C:\\PatBLReport"))
                {
                    Directory.CreateDirectory("C:\\PatBLReport");
                }
                #region 绑定常规报告图片
                if (!string.IsNullOrEmpty(cgportpath))
                {
                    try
                    {
                        WebClient request = new WebClient();
                        request.Credentials = new NetworkCredential(username, pwd);
                        byte[] newFileData = request.DownloadData(cgportpath.ToString());
                        newcgpath = "C:\\PatBLReport\\" + m_App.CurrentPatientInfo.NoOfHisFirstPage + Guid.NewGuid().ToString().Substring(0, 10) + "changgui.pdf";
                        using (FileStream fs = new FileStream(newcgpath, FileMode.OpenOrCreate))
                        {
                            fs.Write(newFileData, 0, newFileData.Length);
                            fs.Close();
                        }
                        PDFFile pdfFile = PDFFile.Open(newcgpath);
                        pageImage        = pdfFile.GetPageImage(0, 56 * 10);
                        this.picCG.Image = pageImage;
                        pdfFile.Dispose();
                    }
                    catch (Exception)
                    {
                    }
                }

                #endregion

                #region 绑定补充报告图片
                if (!string.IsNullOrEmpty(bcportpath))
                {
                    try
                    {
                        WebClient request1 = new WebClient();
                        request1.Credentials = new NetworkCredential(username, pwd);
                        byte[] newFileDatabc = request1.DownloadData(bcportpath.ToString());
                        //声明GUID标识,防止访问时正在使用中
                        newbcpath = "C:\\PatBLReport\\" + m_App.CurrentPatientInfo.NoOfHisFirstPage + Guid.NewGuid().ToString().Substring(0, 10) + "buchong.pdf";
                        using (FileStream fs1 = new FileStream(newbcpath, FileMode.OpenOrCreate))
                        {
                            fs1.Write(newFileDatabc, 0, newFileDatabc.Length);
                            //foreach (Byte b in newFileDatabc)
                            //{
                            //    fs1.WriteByte(b);//报内存溢出估计就是这里循环的在写入字节
                            //edit by ywk 2013年9月2日 15:20:25
                            //}
                            //fs1.Write(newFileDatabc, 0, newFileData.Length);
                            fs1.Close();
                        }
                        PDFFile pdfFileBC   = PDFFile.Open(newbcpath);
                        Bitmap  pageBCImage = pdfFileBC.GetPageImage(0, 56 * 10);
                        this.picBC.Image = pageBCImage;

                        //this.picBC.Focus();

                        //pageBCImage.Save("c:\\myBitmap2.bmp");
                        pdfFileBC.Dispose();
                        //pageBCImage.Dispose();
                    }
                    catch (Exception)
                    {
                    }
                }

                #endregion
            }
            catch (Exception ex)
            {
                MyMessageBox.Show(1, ex);
                //if (this.picBC.Image != null)
                //{
                //    this.picBC.Image.Dispose(); this.picBC.Image = null;
                //}
                //if (this.picCG.Image != null)
                //{
                //    this.picCG.Image.Dispose(); this.picCG.Image = null;
                //}
                //DeletePDF();
            }
        }
Example #30
0
        // convert to image
        /// <summary>
        ///
        /// </summary>
        /// <param name="srcFilePath"></param>
        /// <param name="destFileDir"></param>
        /// <param name="destFileName"></param>
        /// <param name="startPageNum"></param>
        /// <param name="endPageNum"></param>
        /// <param name="imgFormat"></param>
        /// <param name="imgResolution"></param>
        /// <param name="imgQuality"></param>
        /// <returns></returns>
        private int ConvertPDF2Image(string srcFilePath, string destFileDir, string destFileName,
                                     int startPageNum, int endPageNum, ImageFormat imgFormat, int imgResolution, int imgQuality)
        {
            // validate path
            ValidateHelper.Begin().NotNullAndEmpty(srcFilePath).FileExist(srcFilePath).NotNullAndEmpty(destFileDir)
            .NotNull(imgFormat).InRange(imgResolution, 1, 512).InRange(imgQuality, 1, 100);

            string imageExtention = "." + imgFormat.ToString();

            if (imgFormat == ImageFormat.Jpeg)
            {
                imageExtention = ".jpg";
            }
            if (!string.IsNullOrEmpty(destFileName))
            {
                destFileName = destFileName + "_";
            }
            if (!Directory.Exists(destFileDir))
            {
                Directory.CreateDirectory(destFileDir);
            }

            // open pdf file
            using (PDFFile pdfFile = PDFFile.Open(srcFilePath))
            {
                if (startPageNum <= 0)
                {
                    startPageNum = 1;
                }
                if (endPageNum > pdfFile.PageCount || endPageNum <= 0)
                {
                    endPageNum = pdfFile.PageCount;
                }
                if (startPageNum > endPageNum)
                {
                    int tempPageNum = startPageNum; startPageNum = endPageNum; endPageNum = tempPageNum;
                }

                // init encoder parameter
                EncoderParameter  encoderParam  = new EncoderParameter(Encoder.Quality, (long)imgQuality);
                EncoderParameters encoderParams = new EncoderParameters(1);
                encoderParams.Param[0] = encoderParam;
                ImageCodecInfo codecinfo = GetEncoderInfo("image/jpeg");

                // start to convert each page
                try
                {
                    for (int i = startPageNum - 1; i < endPageNum; i++)
                    {
                        using (Bitmap pdfBitmap = pdfFile.GetPageImage(i, (float)imgResolution))
                        {
                            pdfBitmap.Save(Path.Combine(destFileDir, destFileName + i.ToString() + imageExtention), codecinfo, encoderParams);
                        }
                    }
                }
                catch (Exception ex)
                {
                    throw ex;
                }

                return(endPageNum - startPageNum + 1);
            }
        }