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- Demo
- Java
- C# source
This demo shows you how to convert a Word document (doc/docx) to PDF, HTML, Image, XPS, RTF and other file format.
import com.spire.doc.Document; import com.spire.doc.FileFormat; import com.spire.doc.documents.ImageType; import javax.imageio.ImageIO; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; public class ConvertDemo { public void convertDemo(String filePath, String convertTo, String resultFileName) throws IOException { Document document = new Document(); document.loadFromFile(filePath); convertion(document,convertTo,resultFileName); } private void convertion(Document doc, String convertTo, String resultFileName) throws IOException { switch (convertTo) { case "PDF": doc.saveToFile(resultFileName+".pdf", FileFormat.PDF); break; case "XPS": doc.saveToFile(resultFileName + ".xps", FileFormat.XPS); break; case "IMAGE": BufferedImage[] images = doc.saveToImages(ImageType.Bitmap); if (images != null && images.length > 0){ if (images.length == 1){ ImageIO.write(images[0],".PNG", new File(resultFileName+".png")); }else { for (int j = 0; j < images.length;j++){ String fileName = String.format("image-{0}.png",j); ImageIO.write(images[j],".PNG",new File(fileName)); } } } break; case "RTF": doc.saveToFile(resultFileName+".rtf", FileFormat.Rtf); break; case "TIFF": doc.saveToTiff(resultFileName +".tiff"); break; case "HTML": doc.getHtmlExportOptions().setImageEmbedded(true); doc.getHtmlExportOptions().setCssStyleSheetType(CssStyleSheetType.Internal); doc.saveToFile(resultFileName+".html", FileFormat.Html); break; } } }
using System; using System.Drawing; using System.Drawing.Imaging; using Spire.Doc; using Spire.Doc.Documents; namespace DemoOnlineCode { class Convertors { public void demoConversion(String docFile, string format) { Document document = new Document(docFile, FileFormat.Auto); ConvertFormat(document, format); } private void ConvertFormat(Document document, string format) { switch (format) { case "PDF": document.SaveToFile("demo.pdf", FileFormat.PDF); break; case "XPS": document.SaveToFile("demo.xps", FileFormat.XPS); break; case "Image": Image[] Images = document.SaveToImages(ImageType.Bitmap); if (Images != null && Images.Length > 0) { if (Images.Length == 1) { Images[0].Save("demo.bmp", System.Drawing.Imaging.ImageFormat.Bmp); } else { for (int i = 0; i < Images.Length; i++) { String fileName = String.Format("Image-{0}.png", i); Images[i].Save(fileName, ImageFormat.Png); } } } break; case "RTF": document.SaveToFile("demo.rtf", FileFormat.Rtf); break; case "TIFF": Image[] TiffImage = document.SaveToImages(ImageType.Bitmap); Image result = JoinTiffImages(TiffImage, EncoderValue.CompressionLZW); result.Save("demo.tiff", ImageFormat.Tiff); break; case "HTML": document.HtmlExportOptions.CssStyleSheetType = CssStyleSheetType.Internal; document.HtmlExportOptions.ImageEmbedded = true; document.SaveToFile("demo.html", FileFormat.Html); break; } } private static Image JoinTiffImages(Image[] images, EncoderValue compressEncoder) { //use the save encoder Encoder enc = Encoder.SaveFlag; EncoderParameters ep = new EncoderParameters(2); ep.Param[0] = new EncoderParameter(enc, (long)EncoderValue.MultiFrame); ep.Param[1] = new EncoderParameter(Encoder.Compression, (long)compressEncoder); Image pages = null; int frame = 0; ImageCodecInfo info = GetEncoderInfo("image/tiff"); foreach (Image img in images) { if (frame == 0) { pages = img; pages.Save("demo.tiff", info, ep); } else { //save the intermediate frames ep.Param[0] = new EncoderParameter(enc, (long)EncoderValue.FrameDimensionPage); pages.SaveAdd(img, ep); } if ((frame == images.Length - 1) && frame != 0) { //flush and close. ep.Param[0] = new EncoderParameter(enc, (long)EncoderValue.Flush); pages.SaveAdd(ep); } frame++; } return pages; } private static ImageCodecInfo GetEncoderInfo(string mimeType) { ImageCodecInfo[] encoders = ImageCodecInfo.GetImageEncoders(); for (int j = 0; j < encoders.Length; j++) { if (encoders[j].MimeType == mimeType) return encoders[j]; } throw new Exception(mimeType + " mime type not found in ImageCodecInfo"); } } }
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