private static void GenerateVideoFromAspose(string sourcePath, string extension)
{
var pptPresentation = new Aspose.Slides.Presentation();
ISlideCollection slides = pptPresentation.Slides;
var dirInfo = new DirectoryInfo(sourcePath);
var jpgFileList = new List <string>();
if (dirInfo.Exists)
{
jpgFileList.AddRange(dirInfo.GetFiles().Where(f => f.Extension.Equals(extension)).OrderBy(f => f.LastWriteTime).Take(3).Select(fileToUpload => sourcePath + "\\" + fileToUpload.Name));
}
//Aspose.Slides.Slide slide;
for (int i = 0; i < jpgFileList.Count; i++)
{
var slide = slides.AddEmptySlide(pptPresentation.LayoutSlides[i + 1]);
//Set the background with Image
slide.Background.Type = BackgroundType.OwnBackground;
slide.Background.FillFormat.FillType = FillType.Picture;
slide.Background.FillFormat.PictureFillFormat.PictureFillMode = PictureFillMode.Stretch;
//Set the picture
var img = (System.Drawing.Image) new Bitmap(jpgFileList[i]);
//Add image to presentation's images collection
IPPImage imgx = pptPresentation.Images.AddImage(img);
slide.Background.FillFormat.PictureFillFormat.Picture.Image = imgx;
}
//Save the PPTX file to the Disk
pptPresentation.Save(sourcePath + "\\EmptySlide.pptx", Aspose.Slides.Export.SaveFormat.Pptx);
}
/// <summary>
/// 将PowerPoint文件转换为PDF
/// </summary>
/// <param name="sourceFileName">PPT/PPTX文件路径</param>
/// <param name="targetFileName">目标文件路径</param>
/// <returns>转换是否成功</returns>
public static bool ConvertPowerPointToPdf(string sourceFileName, string targetFileName)
{
// Souxuexiao.API.Logger.info(string.Format("准备执行PowerPoint转换PDF,sourceFileName={0},targetFileName={1}", sourceFileName, targetFileName));
try
{
using (System.IO.Stream stream = new System.IO.FileStream(sourceFileName, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.ReadWrite))
{
Aspose.Slides.Presentation pptx = new Aspose.Slides.Presentation(sourceFileName);
pptx.Save(targetFileName, Aspose.Slides.Export.SaveFormat.Pdf);
}
}
catch (Exception ex)
{
throw ex;
}
return(System.IO.File.Exists(targetFileName));
}
protected Stream GetPreviewImagesPowerPointStream(Content content, IEnumerable <SNCR.Image> previewImages, RestrictionType?restrictionType = null)
{
CheckLicense(LicenseProvider.Slides);
try
{
var ms = new MemoryStream();
var extension = ContentNamingProvider.GetFileExtension(content.Name).ToLower();
var oldPpt = Common.PRESENTATION_EXTENSIONS.Contains(extension);
var saveFormat = oldPpt ? AsposeSlides.Export.SaveFormat.Ppt : AsposeSlides.Export.SaveFormat.Pptx;
var docPresentation = new AsposeSlides.Presentation();
var index = 1;
var imageOptions = new PreviewImageOptions()
{
RestrictionType = restrictionType
};
foreach (var previewImage in previewImages.Where(previewImage => previewImage != null))
{
using (var imgStream = GetRestrictedImage(previewImage, imageOptions))
{
var image = System.Drawing.Image.FromStream(imgStream);
var imageForDocument = ResizeImage(image, Math.Min(image.Width, Common.PREVIEW_POWERPOINT_WIDTH), Math.Min(image.Height, Common.PREVIEW_POWERPOINT_HEIGHT));
if (imageForDocument != null)
{
try
{
var img = docPresentation.Images.AddImage(imageForDocument);
var slide = docPresentation.Slides[0];
if (index > 1)
{
docPresentation.Slides.AddClone(slide);
slide = docPresentation.Slides[index - 1];
}
slide.Shapes.AddPictureFrame(AsposeSlides.ShapeType.Rectangle, 10, 10,
imageForDocument.Width, imageForDocument.Height,
img);
}
catch (IndexOutOfRangeException ex)
{
SnLog.WriteException(ex, "Error during document generation. Path: " + previewImage.Path);
break;
}
}
}
index++;
}
docPresentation.Save(ms, saveFormat);
ms.Seek(0, SeekOrigin.Begin);
return(ms);
}
catch (Exception ex)
{
SnLog.WriteException(ex);
}
return(null);
}
public static void ConvertToPdf(string inputFilePath, string outputFilePath)
{
var extension = Path.GetExtension(inputFilePath);
if (extension == null)
{
return;
}
switch (extension.ToUpperInvariant())
{
case ".DOC":
case ".DOCX":
case ".RTF":
case ".DOT":
case ".DOTX":
var doc = new Document(inputFilePath);
doc.Save(outputFilePath, Aspose.Words.SaveFormat.Pdf);
break;
case ".XLS":
case ".XLSX":
var workbook = new Workbook(inputFilePath);
workbook.Save(outputFilePath, Aspose.Cells.SaveFormat.Pdf);
break;
//Microsoft Visio
case ".VSD":
case ".VSS":
case ".VST":
case ".VSX":
case ".VTX":
case ".VDW":
case ".VDX":
var diagram = new Diagram(inputFilePath);
diagram.Save(outputFilePath, SaveFileFormat.PDF);
break;
//Microsoft Project
case ".MPP":
var project = new Aspose.Tasks.Project(inputFilePath);
project.Save(outputFilePath, Aspose.Tasks.Saving.SaveFileFormat.PDF);
break;
//PowerPoint
case ".PPT":
case ".PPS":
case ".POT":
using (var pres = new Aspose.Slides.Presentation(inputFilePath))
pres.Save(outputFilePath, Aspose.Slides.Export.SaveFormat.Pdf);
break;
case ".PPTX":
case ".PPSX":
case ".POTX":
//case ".XPS":
using (var presEx = new Aspose.Slides.Presentation(inputFilePath))
presEx.Save(outputFilePath, Aspose.Slides.Export.SaveFormat.Pdf);
break;
case ".PDF":
File.Copy(inputFilePath, outputFilePath);
break;
}
}
private static bool SavePdfToStream(string inputFile, MemoryStream fileStream, MemoryStream documentStream, ref bool isLandscape)
{
var extension = Path.GetExtension(inputFile);
if (string.IsNullOrEmpty(extension))
throw new ArgumentException(inputFile);
try
{
fileStream.Position = 0;
switch (extension.ToUpperInvariant())
{
case ".DOC":
case ".DOCX":
case ".RTF":
case ".DOT":
case ".DOTX":
var doc = new Aspose.Words.Document(fileStream);
if (doc.PageCount > 0)
{
var pageInfo = doc.GetPageInfo(0);
isLandscape = pageInfo.WidthInPoints > pageInfo.HeightInPoints;
}
doc.Save(documentStream, Aspose.Words.SaveFormat.Pdf);
break;
case ".XLS":
case ".XLSX":
var workbook = new Aspose.Cells.Workbook(fileStream);
for (var i = 0; i < workbook.Worksheets.Count; i++)
{
if (!workbook.Worksheets[i].IsVisible) continue;
isLandscape = workbook.Worksheets[i].PageSetup.Orientation == Aspose.Cells.PageOrientationType.Landscape;
break;
}
workbook.Save(documentStream, Aspose.Cells.SaveFormat.Pdf);
break;
//Microsoft Visio
case ".VSD":
case ".VSS":
case ".VST":
case ".VSX":
case ".VTX":
case ".VDW":
case ".VDX":
var vsdDiagram = new Aspose.Diagram.Diagram(fileStream);
if (vsdDiagram.Pages.Count > 0)
isLandscape = vsdDiagram.Pages[0].PageSheet.PrintProps.PrintPageOrientation.Value == Aspose.Diagram.PrintPageOrientationValue.Landscape;
vsdDiagram.Save(documentStream, Aspose.Diagram.SaveFileFormat.PDF);
break;
//Microsoft Project
case ".MPP":
var project = new Aspose.Tasks.Project(fileStream);
project.Save(documentStream, Aspose.Tasks.Saving.SaveFileFormat.PDF);
isLandscape = true;
break;
//PowerPoint
case ".PPT":
case ".PPS":
case ".POT":
using (var pres = new Aspose.Slides.Presentation(fileStream))
{
isLandscape = pres.SlideSize.Size.Width > pres.SlideSize.Size.Height;
pres.Save(documentStream, Aspose.Slides.Export.SaveFormat.Pdf);
}
break;
case ".PPTX":
case ".PPSX":
case ".POTX":
//case ".XPS":
using (var presEx = new Aspose.Slides.Presentation(fileStream))
{
isLandscape = presEx.SlideSize.Orientation == Aspose.Slides.SlideOrienation.Landscape;
presEx.Save(documentStream, Aspose.Slides.Export.SaveFormat.Pdf);
}
break;
case ".PDF":
{
using (var pdf = new Aspose.Pdf.Document(fileStream))
{
var page = pdf.Pages.OfType<Aspose.Pdf.Page>().FirstOrDefault();
if (page != null && page.MediaBox != null)
{
isLandscape = page.MediaBox.Width > page.MediaBox.Height;
}
}
fileStream.Seek(0, SeekOrigin.Begin);
fileStream.CopyTo(documentStream);
}
break;
}
}
finally
{
fileStream.Close();
}
return true;
}
private void generatePPT(Stream fileStream, string fileNAme)
{
// The path to the documents directory.
// string dataDir = Path.GetFullPath("ss.test.pptx");
try
{
//Instantiate a Presentation object that represents a presentation file
using (Aspose.Slides.Presentation pres = new Aspose.Slides.Presentation(fileStream))
{
HtmlOptions htmlOpt = new HtmlOptions();
htmlOpt.HtmlFormatter = HtmlFormatter.CreateDocumentFormatter("custom.css", false);
var path = @"C:\\CourseWork\\" + fileNAme + ".html";
//Saving the presentation to HTML
pres.Save(path, Aspose.Slides.Export.SaveFormat.Html, htmlOpt);
using (StreamReader sr = new StreamReader(path))
{
//String line = sr.ReadToEnd();//await sr.ReadToEndAsync();
//var txt = line;
}
var html = new HtmlDocument();
html.Load(path);
var document = html.DocumentNode;
var SVGs = document.Descendants("svg");
Data.Presentation newPrez = new Data.Presentation();
newPrez.Created = DateTime.UtcNow;
var usr = User.Identity.Name;
newPrez.Name = fileNAme;
newPrez.Owner = (int)WebSecurity.GetUserId(User.Identity.Name);
//UserProfile usr = int mu1 =
//newPrez.Pages = new Data.Slide();
List <Data.Slide> slides = new List <Data.Slide>();
int counter = 0;
HtmlNode bckgrnd = HtmlNode.CreateNode("");
foreach (var item in SVGs)
{
item.Attributes.Remove("width");
item.Attributes.Remove("height");
var lastNode = item.LastChild;
//var decendatds = item.Descendants();
//var ggg = item.ChildNodes["g"];
//var ttt = ggg.ChildNodes.Where(x => x.Name == "text");
var nodesToDel = item.ChildNodes["g"].ChildNodes.Where(x => x.Name == "text").ToList();
foreach (var node in nodesToDel)
{
item.ChildNodes["g"].RemoveChild(node);
}
if (counter == 0)
{
bckgrnd = item.ChildNodes["defs"];
}
else
if (bckgrnd != null)
{
item.ChildNodes.Insert(1, bckgrnd);
}
//item.ChildNodes.Insert(0,
slides.Add(new Data.Slide {
Presentation = newPrez, SlideNo = counter, Text = item.OuterHtml
});
//string fileName = "right" + counter +".txt";
//FileStream fs = null;
//try
//{
// fs = new FileStream(@"C:\\CourseWork\\"+fileName, FileMode.CreateNew);
// using (StreamWriter writer = new StreamWriter(fs))
// {
// writer.Write(item.OuterHtml);
// }
//}
//finally
//{
// if (fs != null)
// fs.Dispose();
//}
newPrez.Pages = slides.ToList();
counter++;
}
//var dbprez = newPrez;
//using (var ent = new Repository<Data.Presentation>())
//{
// ent.CreatePresentation(newPrez);
//}
using (var ent = new Entities <Data.Presentation>())
{
// ent.Add(newPrez);
ent.CreatePresentation(newPrez);
}
}
}
catch (Exception ex)
{
PptEx = new MvcApplication6.Filters.PptException(thread, ex.Message);
}
finally
{
thread.Abort();
}
}