public HttpResponseMessage DownloadPDFDocument(string file, string folderName)
{
file = file.Replace("../", "").Replace("//", "");
folderName = folderName.Replace("../", "").Replace("//", "");
string outPath = AppSettings.OutputDirectory + folderName + "/" + Path.GetFileNameWithoutExtension(file) + ".pdf";
//GroupDocs.Apps.API.Models.License.SetGroupDocsViewerLicense();
PdfViewOptions options = new PdfViewOptions(outPath);
GroupDocs.Viewer.Viewer viewer = new GroupDocs.Viewer.Viewer(AppSettings.WorkingDirectory + folderName + "/" + file);
viewer.View(options);
FileStream fileStream = new FileStream(outPath, FileMode.Open, FileAccess.Read);
using (var ms = new MemoryStream())
{
fileStream.CopyTo(ms);
var result = new HttpResponseMessage(HttpStatusCode.OK)
{
Content = new ByteArrayContent(ms.ToArray())
};
result.Content.Headers.ContentDisposition =
new System.Net.Http.Headers.ContentDispositionHeaderValue("attachment")
{
FileName = Path.GetFileNameWithoutExtension(file) + ".pdf"
};
result.Content.Headers.ContentType =
new MediaTypeHeaderValue("application/octet-stream");
fileStream.Close();
return(result);
}
}
public PngViewer(string filePath, IViewerCache cache, LoadOptions loadOptions, int pageNumber = -1, int newAngle = 0)
{
this.cache = cache;
this.filePath = filePath;
this.viewer = new GroupDocs.Viewer.Viewer(filePath, loadOptions);
this.pngViewOptions = this.CreatePngViewOptions(pageNumber, newAngle);
this.viewInfoOptions = ViewInfoOptions.FromPngViewOptions(this.pngViewOptions);
}
public String PrintableHtml(string file, string folderName)
{
string outPath = AppSettings.WorkingDirectory + folderName + "/" + file;
//GroupDocs.Apps.API.Models.License.SetGroupDocsViewerLicense();
HtmlViewOptions options = HtmlViewOptions.ForEmbeddedResources("page_{0}.html");
options.Minify = true;
GroupDocs.Viewer.Viewer viewer = new GroupDocs.Viewer.Viewer(AppSettings.WorkingDirectory + folderName + "/" + file);
viewer.View(options);
return("".Replace(".doc-page { position: absolute; }", ".doc-page { position: relative; }"));
}
private List <string> GetDocumentPages(string file, string folderName, string userEmail, int currentPage)
{
List <string> lstOutput = new List <string>();
string outfileName = "page_{0}";
string outPath = AppSettings.OutputDirectory + folderName + "/" + outfileName;
outPath = Path.GetFullPath(outPath).Replace('\\', '/');
//currentPage = currentPage - 1;
string imagePath = string.Format(outPath, currentPage) + ".png";
if (!Directory.Exists(AppSettings.OutputDirectory + folderName))
{
Directory.CreateDirectory(AppSettings.OutputDirectory + folderName);
}
if (System.IO.File.Exists(imagePath) && currentPage > 1)
{
lstOutput.Add(imagePath);
return(lstOutput);
}
int i = currentPage;
// check Words product family
try
{
//GroupDocs.Apps.API.Models.License.SetGroupDocsViewerLicense();
PngViewOptions options = new PngViewOptions(outPath + ".png");
GroupDocs.Viewer.Viewer viewer = new GroupDocs.Viewer.Viewer(AppSettings.WorkingDirectory + folderName + "/" + file);
if (currentPage <= 1)
{
lstOutput.Add(viewer.GetViewInfo(ViewInfoOptions.ForPngView(false)).Pages.Count.ToString());
}
viewer.View(options, new int[] { currentPage });
lstOutput.Add(imagePath);
return(lstOutput);
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// Open file button click event.
/// </summary>
/// <param name="sender">Event sender.</param>
/// <param name="e">Event arguments.</param>
private void openFileBtn_Click(object sender, EventArgs e)
{
using (OpenFileDialog openFileDialog = new OpenFileDialog())
{
openFileDialog.InitialDirectory = "c:\\";
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
//Get the path of specified file
CurrentFilePath = openFileDialog.FileName;
openFileBtn.Enabled = false;
}
}
// If file set - process it.
if (!string.IsNullOrEmpty(CurrentFilePath))
{
if (Viewer != null)
{
Viewer.Dispose();
ViewInfo = null;
CurrentPage = 1;
DisplayViewInfo();
}
new Thread(() =>
{
try
{
SetPagesInfoText($"Loading {Path.GetFileName(CurrentFilePath)}");
Viewer = new GroupDocs.Viewer.Viewer(CurrentFilePath);
GroupDocs.Viewer.Options.ViewInfoOptions viewInfo = GroupDocs.Viewer.Options.ViewInfoOptions.ForHtmlView();
try
{
ViewInfo = Viewer.GetViewInfo(viewInfo);
}
catch (PasswordRequiredException)
{
// Ask for password
EnterPasswordBox enterPasswordbox = new EnterPasswordBox();
DialogResult res = enterPasswordbox.ShowDialog();
if (res == DialogResult.OK)
{
Viewer.Dispose();
ViewInfo = null;
LoadOptions loadOptions = new LoadOptions();
loadOptions.Password = enterPasswordbox.ResultValue;
Viewer = new GroupDocs.Viewer.Viewer(CurrentFilePath, loadOptions);
ViewInfo = Viewer.GetViewInfo(viewInfo);
}
else
{
ViewInfo = null;
CurrentFilePath = null;
webBrowerMain.DocumentText = string.Empty;
DisplayViewInfo();
throw;
}
}
ViewFile(Viewer);
openFileBtn.Enabled = true;
}
catch (Exception ex)
{
MessageBox.Show($"Error occured! {ex.Message}");
ViewInfo = null;
DisplayViewInfo();
openFileBtn.Enabled = true;
}
}).Start();
}
}