/// <summary>
/// Render document in image representation with watermark
/// </summary>
/// <param name="DocumentName">file/document name</param>
/// <param name="WatermarkText">watermark text</param>
/// <param name="WatermarkColor"> System.Drawing.Color</param>
/// <param name="position">Watermark Position is optional parameter. Default value is WatermarkPosition.Diagonal</param>
/// <param name="WatermarkWidth"> width of watermark as integer. it is optional Parameter default value is 100</param>
/// <param name="DocumentPassword">Password Parameter is optional</param>
public static void RenderDocumentAsImages(String DocumentName, String WatermarkText, Color WatermarkColor, WatermarkPosition position = WatermarkPosition.Diagonal, int WatermarkWidth = 100, String DocumentPassword = null)
{
//ExStart:RenderAsImageWithWaterMark
//Get Configurations
ViewerConfig config = Utilities.GetConfigurations();
// Create image handler
ViewerImageHandler imageHandler = new ViewerImageHandler(config);
// Guid implies that unique document name
string guid = DocumentName;
//Initialize ImageOptions Object
ImageOptions options = new ImageOptions();
// Set password if document is password protected.
if (!String.IsNullOrEmpty(DocumentPassword))
{
options.Password = DocumentPassword;
}
// Call AddWatermark and pass the reference of ImageOptions object as 1st parameter
Utilities.PageTransformations.AddWatermark(ref options, WatermarkText, WatermarkColor, position, WatermarkWidth);
//Get document pages in image form
List <PageImage> Images = imageHandler.GetPages(guid, options);
foreach (PageImage image in Images)
{
//Save each image at disk
Utilities.SaveAsImage(image.PageNumber + "_" + DocumentName, image.Stream);
}
//ExEnd:RenderAsImageWithWaterMark
}
/// <summary>
/// Render simple document in image representation
/// </summary>
/// <param name="DocumentName">File name</param>
/// <param name="DocumentPassword">Optional</param>
public static void RenderDocumentAsImages(String DocumentName, String DocumentPassword = null)
{
//ExStart:RenderAsImage
//Get Configurations
ViewerConfig config = Utilities.GetConfigurations();
// Create image handler
ViewerImageHandler imageHandler = new ViewerImageHandler(config);
// Guid implies that unique document name
string guid = DocumentName;
//Initialize ImageOptions Object
ImageOptions options = new ImageOptions();
// Set password if document is password protected.
if (!String.IsNullOrEmpty(DocumentPassword))
{
options.Password = DocumentPassword;
}
//Get document pages in image form
List <PageImage> Images = imageHandler.GetPages(guid, options);
foreach (PageImage image in Images)
{
//Save each image at disk
Utilities.SaveAsImage(image.PageNumber + "_" + DocumentName, image.Stream);
}
//ExEnd:RenderAsImage
}
/// <summary>
/// Get attached file's image representation
/// </summary>
/// <param name="DocumentName">Input document name</param>
public static void GetEmailAttachmentImageRepresentation(String DocumentName)
{
try
{
//ExStart:GetEmailAttachmentImageRepresentation
// Setup GroupDocs.Viewer config
ViewerConfig config = Utilities.GetConfigurations();
// Init viewer image handler
ViewerImageHandler handler = new ViewerImageHandler(config);
DocumentInfoContainer info = handler.GetDocumentInfo(DocumentName);
// Iterate over the attachments collection
foreach (AttachmentBase attachment in info.Attachments)
{
Console.WriteLine("Attach name: {0}, size: {1}", attachment.Name, attachment.FileType);
// Get attachment document image representation
List <PageImage> pages = handler.GetPages(attachment);
foreach (PageImage page in pages)
{
Console.WriteLine(" Page: {0}, size: {1}", page.PageNumber, page.Stream.Length);
}
}
//ExEnd:GetEmailAttachmentImageRepresentation
}
catch (System.Exception exp)
{
Console.WriteLine(exp.Message);
}
}
// GET api/<controller>
public HttpResponseMessage Get(int?width, string file, int page, int?height = null)
{
ViewerImageHandler handler = Utils.CreateViewerImageHandler();
ImageOptions o = new ImageOptions();
List <int> pageNumberstoRender = new List <int>();
pageNumberstoRender.Add(page);
o.PageNumbersToRender = pageNumberstoRender;
o.PageNumber = page;
o.CountPagesToRender = 1;
if (width.HasValue)
{
o.Width = Convert.ToInt32(width);
}
if (height.HasValue)
{
o.Height = Convert.ToInt32(height);
}
Stream stream = null;
List <PageImage> list = Utils.LoadPageImageList(handler, file, o);
foreach (PageImage pageImage in list.Where(x => x.PageNumber == page))
{
stream = pageImage.Stream;
}
;
var result = new HttpResponseMessage(HttpStatusCode.OK);
Image image = Image.FromStream(stream);
MemoryStream memoryStream = new MemoryStream();
image.Save(memoryStream, ImageFormat.Jpeg);
result.Content = new ByteArrayContent(memoryStream.ToArray());
result.Content.Headers.ContentType = new MediaTypeHeaderValue("image/jpeg");
return(result);
}
/// <summary>
/// Render a document in image representation whom located at web/remote location.
/// </summary>
/// <param name="DocumentURL">URL of the document</param>
/// <param name="DocumentPassword">Password Parameter is optional</param>
public static void RenderDocumentAsImages(Uri DocumentURL, String DocumentPassword = null)
{
//ExStart:RenderRemoteDocAsImages
//Get Configurations
ViewerConfig config = Utilities.GetConfigurations();
// Create image handler
ViewerImageHandler imageHandler = new ViewerImageHandler(config);
//Initialize ImageOptions Object
ImageOptions options = new ImageOptions();
// Set password if document is password protected.
if (!String.IsNullOrEmpty(DocumentPassword))
{
options.Password = DocumentPassword;
}
//Get document pages in image form
List <PageImage> Images = imageHandler.GetPages(DocumentURL, options);
foreach (PageImage image in Images)
{
//Save each image at disk
Utilities.SaveAsImage(image.PageNumber + "_" + Path.GetFileName(DocumentURL.LocalPath), image.Stream);
}
//ExEnd:RenderRemoteDocAsImages
}
public static void Add_Watermark_For_Image()
{
Console.WriteLine("***** {0} *****", "Add Watermark to Image page representation");
/* ********************* SAMPLE ********************* */
// Setup GroupDocs.Viewer config
ViewerConfig config = new ViewerConfig();
config.StoragePath = @"C:\storage";
// Create image handler
ViewerImageHandler imageHandler = new ViewerImageHandler(config);
string guid = "word.doc";
ImageOptions options = new ImageOptions();
// Set watermark properties
Watermark watermark = new Watermark("This is watermark text");
watermark.Color = System.Drawing.Color.Blue;
watermark.Position = WatermarkPosition.Diagonal;
watermark.Width = 100;
options.Watermark = watermark;
// Get document pages image representation with watermark
List<PageImage> pages = imageHandler.GetPages(guid, options);
}
public ActionResult Get(int?width, int?height, string file, int page)
{
if (Utils.IsValidUrl(file))
{
file = Utils.DownloadToStorage(file);
}
ViewerImageHandler handler = Utils.CreateViewerImageHandler();
ImageOptions o = new ImageOptions();
List <int> pageNumberstoRender = new List <int>();
pageNumberstoRender.Add(page);
o.PageNumbersToRender = pageNumberstoRender;
o.PageNumber = page;
o.CountPagesToRender = 1;
if (width.HasValue)
{
o.Width = Convert.ToInt32(width);
}
if (height.HasValue)
{
o.Height = Convert.ToInt32(height);
}
Stream stream = null;
List <PageImage> list = Utils.LoadPageImageList(handler, file, o);
foreach (PageImage pageImage in list.Where(x => x.PageNumber == page))
{
stream = pageImage.Stream;
}
;
return(new FileStreamResult(stream, "image/png"));
}
public ActionResult Get(int?width, int?height, string file, string attachment, int page)
{
ViewerImageHandler handler = Utils.CreateViewerImageHandler();
ImageOptions o = new ImageOptions();
List <int> pageNumberstoRender = new List <int>();
pageNumberstoRender.Add(page);
o.PageNumbersToRender = pageNumberstoRender;
o.PageNumber = page;
o.CountPagesToRender = 1;
if (width.HasValue)
{
o.Width = Convert.ToInt32(width);
}
if (height.HasValue)
{
o.Height = Convert.ToInt32(height);
}
Stream stream = null;
DocumentInfoContainer info = handler.GetDocumentInfo(file);
// Iterate over the attachments collection
foreach (AttachmentBase attachmentBase in info.Attachments.Where(x => x.Name == attachment))
{
List <PageImage> pages = handler.GetPages(attachmentBase);
foreach (PageImage attachmentPage in pages.Where(x => x.PageNumber == page))
{
stream = attachmentPage.Stream;
}
;
}
return(new FileStreamResult(stream, "image/png"));
}
public static void InImageRepresentation()
{
// Setup GroupDocs.Viewer config
ViewerConfig config = new ViewerConfig();
config.StoragePath = @"C:\storage";
// Create image handler
ViewerImageHandler imageHandler = new ViewerImageHandler(config);
string guid = "document.xlsx";
// Set image options to show grid lines
ImageOptions options = new ImageOptions();
options.CellsOptions.ShowHiddenSheets = true;
DocumentInfoContainer container = imageHandler.GetDocumentInfo(new DocumentInfoOptions(guid));
foreach (PageData page in container.Pages)
Console.WriteLine("Page number: {0}, Page Name: {1}, IsVisible: {2}", page.Number, page.Name, page.IsVisible);
List<PageImage> pages = imageHandler.GetPages(guid, options);
foreach (PageImage page in pages)
{
Console.WriteLine("Page number: {0}", page.PageNumber);
// Page image stream
Stream imageContent = page.Stream;
}
}
protected void Page_Load(object sender, EventArgs e)
{
var htmlConfig = new ViewerConfig
{
StoragePath = _storagePath,
UseCache = true
};
_htmlHandler = new ViewerHtmlHandler(htmlConfig);
var imageConfig = new ViewerConfig
{
StoragePath = _storagePath,
UseCache = true,
UsePdf = true
};
_imageHandler = new ViewerImageHandler(imageConfig);
HttpContext.Current.Session["imageHandler"] = _imageHandler;
HttpContext.Current.Session["htmlHandler"] = _htmlHandler;
// _streams.Add("Stream1.pdf", HttpWebRequest.Create("http://unfccc.int/resource/docs/convkp/kpeng.pdf").GetResponse().GetResponseStream());
//_streams.Add("StreamExample_2.doc", HttpWebRequest.Create("http://www.acm.org/sigs/publications/pubform.doc").GetResponse().GetResponseStream());
}
protected void Page_Load(object sender, EventArgs e)
{
var file = GetValueFromQueryString("file");
int page = Convert.ToInt32(GetValueFromQueryString("page"));
int?width = Convert.ToInt32(GetValueFromQueryString("width"));
int?height = Convert.ToInt32(GetValueFromQueryString("width"));
if (Utils.IsValidUrl(file))
{
file = Utils.DownloadToStorage(file);
}
string watermarkText = GetValueFromQueryString("watermarkText");
int? watermarkColor = Convert.ToInt32(GetValueFromQueryString("watermarkColor"));
WatermarkPosition watermarkPosition = (WatermarkPosition)Enum.Parse(typeof(WatermarkPosition), GetValueFromQueryString("watermarkPosition"), true);
string widthFromQuery = GetValueFromQueryString("watermarkWidth");
int? watermarkWidth = GetValueFromQueryString("watermarkWidth") == "null" ? null : (int?)Convert.ToInt32(GetValueFromQueryString("watermarkWidth"));
byte watermarkOpacity = Convert.ToByte(GetValueFromQueryString("watermarkOpacity"));
ViewerImageHandler handler = Utils.CreateViewerImageHandler();
ImageOptions o = new ImageOptions();
List <int> pageNumberstoRender = new List <int>();
pageNumberstoRender.Add(page);
o.PageNumbersToRender = pageNumberstoRender;
o.PageNumber = page;
o.CountPagesToRender = 1;
if (width.HasValue)
{
o.Width = Convert.ToInt32(width);
}
if (height.HasValue)
{
o.Height = Convert.ToInt32(height);
}
if (watermarkText != "")
{
o.Watermark = Utils.GetWatermark(watermarkText, watermarkColor, watermarkPosition, watermarkWidth, watermarkOpacity);
}
Stream stream = null;
List <PageImage> list = Utils.LoadPageImageList(handler, file, o);
foreach (PageImage pageImage in list.Where(x => x.PageNumber == page))
{
stream = pageImage.Stream;
}
;
var result = new HttpResponseMessage(HttpStatusCode.OK);
System.Drawing.Image image = System.Drawing.Image.FromStream(stream);
MemoryStream memoryStream = new MemoryStream();
image.Save(memoryStream, ImageFormat.Jpeg);
HttpContext.Current.Response.ContentType = "image/jpeg";
memoryStream.WriteTo(HttpContext.Current.Response.OutputStream);
HttpContext.Current.Response.Flush();
HttpContext.Current.Response.End();
}
static void Main(string[] args)
{
SetLicense();
string executionDirectory = Path.GetDirectoryName(
System.Reflection.Assembly.GetExecutingAssembly().Location);
ViewerConfig viewerConfig = new ViewerConfig();
viewerConfig.StoragePath = executionDirectory;
viewerConfig.UsePdf = true;
ViewerImageHandler viewerImageHandler = new ViewerImageHandler(viewerConfig);
string guid = "Resources\\sample.pdf";
DocumentInfoOptions documentInfoOptions =
new DocumentInfoOptions(guid);
DocumentInfoContainer documentInfoContainer =
viewerImageHandler.GetDocumentInfo(documentInfoOptions);
foreach (PageData pageData in documentInfoContainer.Pages)
{
Console.WriteLine("Page number: " + pageData.Number);
for (int i = 0; i < pageData.Rows.Count; i++)
{
RowData rowData = pageData.Rows[i];
Console.WriteLine("Row: " + (i + 1));
Console.WriteLine("Text: " + rowData.Text);
Console.WriteLine("Text width: " + rowData.LineWidth);
Console.WriteLine("Text height: " + rowData.LineHeight);
Console.WriteLine("Distance from left: " + rowData.LineLeft);
Console.WriteLine("Distance from top: " + rowData.LineTop);
string[] words = rowData.Text.Split(' ');
for (int j = 0; j < words.Length; j++)
{
int coordinateIndex = j == 0 ? 0 : j + 1;
Console.WriteLine(string.Empty);
Console.WriteLine("Word: '" + words[j] + "'");
Console.WriteLine("Word distance from left: " + rowData.TextCoordinates[coordinateIndex]);
Console.WriteLine("Word width: " + rowData.TextCoordinates[coordinateIndex + 1]);
Console.WriteLine(string.Empty);
}
}
Console.WriteLine(string.Empty);
}
Console.ReadKey();
}
public static List <PageImage> LoadPageImageList(ViewerImageHandler handler, String filename, ImageOptions options)
{
try
{
return(handler.GetPages(filename, options));
}
catch (Exception x)
{
throw x;
}
}
public ViewerController()
{
_config = new ViewerConfig
{
StoragePath = _storagePath,
TempPath = _tempPath,
UseCache = true
};
_htmlHandler = new ViewerHtmlHandler(_config);
_imageHandler = new ViewerImageHandler(_config);
}
public ViewerController()
{
_config = new ViewerConfig
{
StoragePath = _storagePath,
TempPath = _tempPath,
UseCache = true
};
_htmlHandler = new ViewerHtmlHandler(_config);
_imageHandler = new ViewerImageHandler(_config);
}
/// <summary>
/// document in image representation and reorder a page
/// </summary>
/// <param name="DocumentName">file/document name</param>
/// <param name="CurrentPageNumber">Page existing order number</param>
/// <param name="NewPageNumber">Page new order number</param>
/// <param name="DocumentPassword">Password Parameter is optional</param>
public static List <ImageInfo> RenderDocumentAsImages(String DocumentName, int CurrentPageNumber, int NewPageNumber, String DocumentPassword = null)
{
//ExStart:RenderAsImageAndReorderPage
//Get Configurations
ViewerConfig config = Utilities.GetConfigurations();
// Cast ViewerHtmlHandler class object to its base class(ViewerHandler).
ViewerHandler <PageImage> handler = new ViewerImageHandler(config);
// Guid implies that unique document name
string guid = DocumentName;
//Initialize ImageOptions Object and setting Reorder Transformation
ImageOptions options = new ImageOptions {
Transformations = Transformation.Reorder
};
// Set password if document is password protected.
if (!String.IsNullOrEmpty(DocumentPassword))
{
options.Password = DocumentPassword;
}
//Call ReorderPage and pass the reference of ViewerHandler's class parameter by reference.
Utilities.PageTransformations.ReorderPage(ref handler, guid, CurrentPageNumber, NewPageNumber);
//down cast the handler(ViewerHandler) to viewerHtmlHandler
ViewerImageHandler imageHandler = (ViewerImageHandler)handler;
//Get document pages in image form
List <PageImage> Images = imageHandler.GetPages(guid, options);
List <ImageInfo> contents = new List <ImageInfo>();
foreach (PageImage image in Images)
{
string imgname = image.PageNumber + "_" + Path.GetFileNameWithoutExtension(DocumentName);
imgname = Regex.Replace(imgname, @"\s+", "_");
Utilities.SaveAsImage(Path.GetDirectoryName(DocumentName), imgname, image.Stream);
ImageInfo imageInfo = new ImageInfo();
imageInfo.ImageUrl = @"/Uploads/images/" + imgname + ".jpg?" + Guid.NewGuid().ToString();
imageInfo.PageNmber = image.PageNumber;
imageInfo.HtmlContent = @"<div class='image_page'><img src='" + imageInfo.ImageUrl + "' /></div>";
contents.Add(imageInfo);
}
return(contents);
//ExEnd:RenderAsImageAndReorderPage
}
/// <summary>
/// Rotate page in Image mode
/// </summary>
public static void Reorder_Pages_In_Image_Mode()
{
Console.WriteLine("***** {0} *****", "Reorder pages in Image mode");
/* ********************* SAMPLE ********************* */
/* ******************** Reorder 1st and 2nd pages *********************** */
// Setup GroupDocs.Viewer config
ViewerConfig config = new ViewerConfig();
config.StoragePath = @"C:\storage";
// Create image handler
ViewerImageHandler imageHandler = new ViewerImageHandler(config);
string guid = "word.doc";
int pageNumber = 1;
int newPosition = 2;
// Perform page reorder
ReorderPageOptions options = new ReorderPageOptions(guid, pageNumber, newPosition);
imageHandler.ReorderPage(options);
/* ******************** Retrieve all document pages including transformation *********************** */
// Set image options to include reorder transformations
ImageOptions imageOptions = new ImageOptions
{
Transformations = Transformation.Reorder
};
// Get image representation of all document pages, including reorder transformations
List<PageImage> pages = imageHandler.GetPages(guid, imageOptions);
/* ******************** Retrieve all document pages excluding transformation *********************** */
// Set image options NOT to include ANY transformations
ImageOptions noTransformationsOptions = new ImageOptions
{
Transformations = Transformation.None // This is by default
};
// Get image representation of all document pages, without transformations
List<PageImage> pagesWithoutTransformations = imageHandler.GetPages(guid, noTransformationsOptions);
// Get image representation of all document pages, without transformations
List<PageImage> pagesWithoutTransformations2 = imageHandler.GetPages(guid);
}
/// <summary>
/// Render a document as it is (original form)
/// </summary>
/// <param name="DocumentName"></param>
public static void RenderDocumentAsOriginal(String DocumentName)
{
//ExStart:RenderOriginal
// Create image handler
ViewerImageHandler imageHandler = new ViewerImageHandler(Utilities.GetConfigurations());
// Guid implies that unique document name
string guid = DocumentName;
// Get original file
FileContainer container = imageHandler.GetFile(guid);
//Save each image at disk
Utilities.SaveAsImage(DocumentName, container.Stream);
//ExEnd:RenderOriginal
}
/// <summary>
/// Render document in image representation with watermark
/// </summary>
/// <param name="DocumentName">file/document name</param>
/// <param name="WatermarkText">watermark text</param>
/// <param name="WatermarkColor"> System.Drawing.Color</param>
/// <param name="position">Watermark Position is optional parameter. Default value is WatermarkPosition.Diagonal</param>
/// <param name="WatermarkWidth"> width of watermark as integer. it is optional Parameter default value is 100</param>
/// <param name="DocumentPassword">Password Parameter is optional</param>
public static List <ImageInfo> RenderDocumentAsImages(String DocumentName, String WatermarkText, Color WatermarkColor, int WatermarkWidth = 100, String DocumentPassword = null)
{
//ExStart:RenderAsImageWithWaterMark
//Get Configurations
ViewerConfig config = Utilities.GetConfigurations();
// Create image handler
ViewerImageHandler imageHandler = new ViewerImageHandler(config);
// Guid implies that unique document name
string guid = DocumentName;
//Initialize ImageOptions Object
ImageOptions options = new ImageOptions();
// Set password if document is password protected.
if (!String.IsNullOrEmpty(DocumentPassword))
{
options.Password = DocumentPassword;
}
// Call AddWatermark and pass the reference of ImageOptions object as 1st parameter
Utilities.PageTransformations.AddWatermark(ref options, WatermarkText, WatermarkColor, WatermarkPosition.Diagonal, WatermarkWidth);
//Get document pages in image form
List <PageImage> Images = imageHandler.GetPages(guid, options);
List <ImageInfo> contents = new List <ImageInfo>();
foreach (PageImage image in Images)
{
string imgname = image.PageNumber + "_" + Path.GetFileNameWithoutExtension(DocumentName);
imgname = Regex.Replace(imgname, @"\s+", "_");
Utilities.SaveAsImage(Path.GetDirectoryName(DocumentName), imgname, image.Stream);
ImageInfo imageInfo = new ImageInfo();
imageInfo.ImageUrl = @"/Uploads/images/" + imgname + ".jpg?" + Guid.NewGuid().ToString();
imageInfo.PageNmber = image.PageNumber;
imageInfo.HtmlContent = @"<div class='image_page'><img src='" + imageInfo.ImageUrl + "' /></div>";
contents.Add(imageInfo);
}
return(contents);
//ExEnd:RenderAsImageWithWaterMark
}
public static void Run()
{
//Initialize viewer config
ViewerConfig viewerConfig = new ViewerConfig();
viewerConfig.StoragePath = "c:\\storage";
//Initialize viewer handler
ViewerImageHandler viewerImageHandler = new ViewerImageHandler(viewerConfig);
//Set encoding
Encoding encoding = Encoding.GetEncoding("shift-jis");
//Set image options
ImageOptions imageOptions = new ImageOptions();
imageOptions.WordsOptions.Encoding = encoding;
imageOptions.CellsOptions.Encoding = encoding;
imageOptions.EmailOptions.Encoding = encoding;
//Get words document pages with encoding
string wordsDocumentGuid = "document.txt";
List<PageImage> wordsDocumentPages = viewerImageHandler.GetPages(wordsDocumentGuid, imageOptions);
//Get cells document pages with encoding
string cellsDocumentGuid = "document.csv";
List<PageImage> cellsDocumentPages = viewerImageHandler.GetPages(cellsDocumentGuid, imageOptions);
//Get email document pages with encoding
string emailDocumentGuid = "document.msg";
List<PageImage> emailDocumentPages = viewerImageHandler.GetPages(emailDocumentGuid, imageOptions);
//Get words document info with encoding
DocumentInfoOptions wordsDocumentInfoOptions = new DocumentInfoOptions(wordsDocumentGuid);
wordsDocumentInfoOptions.WordsDocumentInfoOptions.Encoding = encoding;
DocumentInfoContainer wordsDocumentInfoContainer = viewerImageHandler.GetDocumentInfo(wordsDocumentInfoOptions);
//Get cells document info with encoding
DocumentInfoOptions cellsDocumentInfoOptions = new DocumentInfoOptions(cellsDocumentGuid);
cellsDocumentInfoOptions.CellsDocumentInfoOptions.Encoding = encoding;
DocumentInfoContainer cellsDocumentInfoContainer = viewerImageHandler.GetDocumentInfo(cellsDocumentInfoOptions);
//Get email document info with encoding
DocumentInfoOptions emailDocumentInfoOptions = new DocumentInfoOptions(emailDocumentGuid);
emailDocumentInfoOptions.EmailDocumentInfoOptions.Encoding = encoding;
DocumentInfoContainer emailDocumentInfoContainer = viewerImageHandler.GetDocumentInfo(emailDocumentInfoOptions);
}
/// <summary>
/// Get all supported document formats
/// </summary>
public static void ShowAllSupportedFormats()
{
// Setup GroupDocs.Viewer config
ViewerConfig config = Utilities.GetConfigurations();
// Create image or html handler
ViewerImageHandler imageHandler = new ViewerImageHandler(config);
// Get supported document formats
DocumentFormatsContainer documentFormatsContainer = imageHandler.GetSupportedDocumentFormats();
Dictionary <string, string> supportedDocumentFormats = documentFormatsContainer.SupportedDocumentFormats;
foreach (KeyValuePair <string, string> supportedDocumentFormat in supportedDocumentFormats)
{
Console.WriteLine(string.Format("Extension: '{0}'; Document format: '{1}'", supportedDocumentFormat.Key, supportedDocumentFormat.Value));
}
Console.ReadKey();
}
/// <summary>
/// Get document representation from Uri
/// </summary>
public static void Get_pages_from_Uri()
{
Console.WriteLine("***** {0} *****", "Get document representation from Uri");
/* ********************* SAMPLE ********************* */
// Setup GroupDocs.Viewer config
ViewerConfig config = new ViewerConfig();
config.StoragePath = @"C:\storage";
// Create image handler
ViewerImageHandler imageHandler = new ViewerImageHandler(config);
Uri uri = new Uri("http://groupdocs.com/images/banner/carousel2/signature.png");
// Get pages by absolute path
List<PageImage> pages = imageHandler.GetPages(uri);
Console.WriteLine("Page count: {0}", pages.Count);
}
protected void Page_Load(object sender, EventArgs e)
{
License lic = new License();
lic.SetLicense("E:/GroupDocs.Total.lic");
_config = new ViewerConfig
{
StoragePath = _storagePath,
TempPath = _tempPath,
UseCache = true
};
_htmlHandler = new ViewerHtmlHandler(_config);
_imageHandler = new ViewerImageHandler(_config);
HttpContext.Current.Session["imageHandler"] = _imageHandler;
HttpContext.Current.Session["htmlHandler"] = _htmlHandler;
}
public static void Run()
{
// Setup GroupDocs.Viewer config
ViewerConfig config = new ViewerConfig();
config.StoragePath = @"C:\storage";
// Create image or html handler
ViewerImageHandler imageHandler = new ViewerImageHandler(config);
// Get supported document formats
DocumentFormatsContainer documentFormatsContainer = imageHandler.GetSupportedDocumentFormats();
Dictionary<string, string> supportedDocumentFormats = documentFormatsContainer.SupportedDocumentFormats;
foreach (KeyValuePair<string, string> supportedDocumentFormat in supportedDocumentFormats)
{
Console.WriteLine(string.Format("Extension: '{0}'; Document format: '{1}'", supportedDocumentFormat.Key, supportedDocumentFormat.Value));
}
}
public HttpResponseMessage Get(int?width, string file, string attachment, int page, string watermarkText, int?watermarkColor, WatermarkPosition?watermarkPosition, int?watermarkWidth, byte watermarkOpacity, int?height = null)
{
ViewerImageHandler handler = Utils.CreateViewerImageHandler();
ImageOptions o = new ImageOptions();
List <int> pageNumberstoRender = new List <int>();
pageNumberstoRender.Add(page);
o.PageNumbersToRender = pageNumberstoRender;
o.PageNumber = page;
o.CountPagesToRender = 1;
if (width.HasValue)
{
o.Width = Convert.ToInt32(width);
}
if (height.HasValue)
{
o.Height = Convert.ToInt32(height);
}
if (watermarkText != "")
{
o.Watermark = Utils.GetWatermark(watermarkText, watermarkColor, watermarkPosition, watermarkWidth, watermarkOpacity);
}
Stream stream = null;
DocumentInfoContainer info = handler.GetDocumentInfo(file);
// Iterate over the attachments collection
foreach (AttachmentBase attachmentBase in info.Attachments.Where(x => x.Name == attachment))
{
List <PageImage> pages = handler.GetPages(attachmentBase, o);
foreach (PageImage attachmentPage in pages.Where(x => x.PageNumber == page))
{
stream = attachmentPage.Stream;
}
;
}
var result = new HttpResponseMessage(HttpStatusCode.OK);
Image image = Image.FromStream(stream);
MemoryStream memoryStream = new MemoryStream();
image.Save(memoryStream, ImageFormat.Jpeg);
result.Content = new ByteArrayContent(memoryStream.ToArray());
result.Content.Headers.ContentType = new MediaTypeHeaderValue("image/jpeg");
return(result);
}
/// <summary>
/// Get original file
/// </summary>
public static void Run()
{
Console.WriteLine("***** {0} *****", "Get original file");
/* ********************* SAMPLE ********************* */
// Setup GroupDocs.Viewer config
ViewerConfig config = new ViewerConfig();
config.StoragePath = @"C:\storage";
// Create image handler
ViewerImageHandler imageHandler = new ViewerImageHandler(config);
string guid = "word.doc";
// Get original file
FileContainer container = imageHandler.GetFile(guid);
Console.WriteLine("Stream lenght: {0}", container.Stream.Length);
}
/// <summary>
/// Render a document in PDF Form
/// </summary>
/// <param name="DocumentName"></param>
public static void RenderDocumentAsPDF(String DocumentName)
{
//ExStart:RenderAsPdf
// Create/initialize image handler
ViewerImageHandler imageHandler = new ViewerImageHandler(Utilities.GetConfigurations());
//Initialize PdfFileOptions object
PdfFileOptions options = new PdfFileOptions();
// Call GetPdfFile to get FileContainer type object which contains the stream of pdf file.
FileContainer container = imageHandler.GetPdfFile(DocumentName, options);
//Change the extension of the file and assign to a string type variable filename
String filename = Path.GetFileNameWithoutExtension(DocumentName) + ".pdf";
//Save each image at disk
Utilities.SaveFile(filename, container.Stream);
//ExEnd:RenderAsPdf
}
protected void Page_Load(object sender, EventArgs e)
{
var file = GetValueFromQueryString("file");
int page = Convert.ToInt32(GetValueFromQueryString("page"));
int?width = Convert.ToInt32(GetValueFromQueryString("width"));
int?height = Convert.ToInt32(GetValueFromQueryString("width"));
ViewerImageHandler handler = Utils.CreateViewerImageHandler();
ImageOptions o = new ImageOptions();
List <int> pageNumberstoRender = new List <int>();
pageNumberstoRender.Add(page);
o.PageNumbersToRender = pageNumberstoRender;
o.PageNumber = page;
o.CountPagesToRender = 1;
if (width.HasValue)
{
o.Width = Convert.ToInt32(width);
}
if (height.HasValue)
{
o.Height = Convert.ToInt32(height);
}
Stream stream = null;
List <PageImage> list = Utils.LoadPageImageList(handler, file, o);
foreach (PageImage pageImage in list.Where(x => x.PageNumber == page))
{
stream = pageImage.Stream;
}
;
var result = new HttpResponseMessage(HttpStatusCode.OK);
System.Drawing.Image image = System.Drawing.Image.FromStream(stream);
MemoryStream memoryStream = new MemoryStream();
image.Save(memoryStream, ImageFormat.Jpeg);
HttpContext.Current.Response.ContentType = "image/jpeg";
memoryStream.WriteTo(HttpContext.Current.Response.OutputStream);
HttpContext.Current.Response.Flush();
HttpContext.Current.Response.End();
}
/// <summary>
/// Get document representation from relative path
/// </summary>
public static void Get_pages_relative_path()
{
Console.WriteLine("***** {0} *****", "Get document representation from relative path");
/* ********************* SAMPLE ********************* */
// Setup GroupDocs.Viewer config
ViewerConfig config = new ViewerConfig();
config.StoragePath = @"C:\storage";
// Create image handler
ViewerImageHandler imageHandler = new ViewerImageHandler(config);
// Set relative path. So that full path will be C:\storage\word.doc
string guid = "word.doc";
// Get pages by absolute path
List<PageImage> pages = imageHandler.GetPages(guid);
Console.WriteLine("Page count: {0}", pages.Count);
}
/// <summary>
/// Multiple pages per sheet
/// </summary>
/// <param name="DocumentName"></param>
public static void RenderMultiExcelSheetsInOnePage(String DocumentName)
{
// Setup GroupDocs.Viewer config
ViewerConfig config = Utilities.GetConfigurations();
// Create image or html handler
ViewerImageHandler imageHandler = new ViewerImageHandler(config);
string guid = DocumentName;
// Set pdf file one page per sheet option to false, default value of this option is true
PdfFileOptions pdfFileOptions = new PdfFileOptions();
pdfFileOptions.Guid = guid;
pdfFileOptions.CellsOptions.OnePagePerSheet = false;
//Get pdf file
FileContainer fileContainer = imageHandler.GetPdfFile(pdfFileOptions);
Utilities.SaveFile("test.pdf", fileContainer.Stream);
}
/// <summary>
/// Get document html for print with watermark
/// </summary>
public static void Get_PrintableHtml_WithWatermark()
{
Console.WriteLine("***** {0} *****", "Get document html for print with watermark");
/* ********************* SAMPLE ********************* */
// Setup GroupDocs.Viewer config
ViewerConfig config = new ViewerConfig();
config.StoragePath = @"C:\storage";
// Create image handler
ViewerImageHandler imageHandler = new ViewerImageHandler(config);
string guid = "word.doc";
// Get document html for print with watermark
var options = new PrintableHtmlOptions(guid, new Watermark("Watermark text"));
var container = imageHandler.GetPrintableHtml(options);
Console.WriteLine("Html content: {0}", container.HtmlContent);
}
/// <summary>
/// Remove cache file older than specified date
/// </summary>
public static void RemoveCacheFiles(TimeSpan OlderThanDays)
{
try
{
//ExStart:RemoveCacheFilesTimeSpan
// Setup GroupDocs.Viewer config
ViewerConfig config = Utilities.GetConfigurations();
// Init viewer image or html handler
ViewerImageHandler viewerImageHandler = new ViewerImageHandler(config);
//Clear files from cache older than specified time interval
viewerImageHandler.ClearCache(OlderThanDays);
//ExEnd:RemoveCacheFilesTimeSpan
}
catch (System.Exception exp)
{
Console.WriteLine(exp.Message);
}
}
/// <summary>
/// Get original file in Pdf format
/// </summary>
public static void Run()
{
Console.WriteLine("***** {0} *****", "Get original file in Pdf format");
/* ********************* SAMPLE ********************* */
// Setup GroupDocs.Viewer config
ViewerConfig config = new ViewerConfig();
config.StoragePath = @"C:\storage";
// Create image handler
ViewerImageHandler imageHandler = new ViewerImageHandler(config);
PdfFileOptions options = new PdfFileOptions();
options.Guid = "word.doc";
// Get file as pdf
FileContainer container = imageHandler.GetPdfFile(options);
Console.WriteLine("Stream lenght: {0}", container.Stream.Length);
}
public ViewerController()
{
var htmlConfig = new ViewerConfig
{
StoragePath = _storagePath,
CachePath = _cachePath,
UseCache = true
};
_htmlHandler = new ViewerHtmlHandler(htmlConfig);
var imageConfig = new ViewerConfig
{
StoragePath = _storagePath,
CachePath = _cachePath,
UseCache = true,
UsePdf = UsePdfInImageEngine
};
_imageHandler = new ViewerImageHandler(imageConfig);
}
public ViewerController()
{
var htmlConfig = new ViewerConfig
{
StoragePath = _storagePath,
CachePath = _cachePath,
UseCache = true
};
_htmlHandler = new ViewerHtmlHandler(htmlConfig);
var imageConfig = new ViewerConfig
{
StoragePath = _storagePath,
CachePath = _cachePath,
UseCache = true,
UsePdf = UsePdfInImageEngine
};
_imageHandler = new ViewerImageHandler(imageConfig);
}
public QuickViewApiController()
{
quickViewConfig = new QuickViewConfig();
// create viewer application configuration
ViewerConfig config = new ViewerConfig();
config.StoragePath = quickViewConfig.getApplication().getFilesDirectory();
config.EnableCaching = true;
List <String> fontsDirectory = new List <String>();
fontsDirectory.Add(quickViewConfig.getApplication().getFontsDirectory());
config.FontDirectories = fontsDirectory;
// set GroupDocs license
License license = new License();
license.SetLicense(quickViewConfig.getApplication().getLicensePath());
// initialize viewer instance for the HTML mode
viewerHtmlHandler = new ViewerHtmlHandler(config);
// initialize viewer instance for the Image mode
viewerImageHandler = new ViewerImageHandler(config);
}
/// <summary>
/// Get document html for print with custom css
/// </summary>
public static void Get_PrintableHtml_WithCss()
{
Console.WriteLine("***** {0} *****", "Get document html for print with custom css");
/* ********************* SAMPLE ********************* */
// Setup GroupDocs.Viewer config
ViewerConfig config = new ViewerConfig();
config.StoragePath = @"C:\storage";
// Create image handler
ViewerImageHandler imageHandler = new ViewerImageHandler(config);
string guid = "word.doc";
string css = "a { color: hotpink; }"; // Some style
// Get document html for print with custom css
var options = new PrintableHtmlOptions(guid, css);
var container = imageHandler.GetPrintableHtml(options);
Console.WriteLine("Html content: {0}", container.HtmlContent);
}
public static void Run()
{
// Setup GroupDocs.Viewer config
ViewerConfig config = new ViewerConfig();
config.StoragePath = @"C:\storage";
// Create image or html handler
ViewerImageHandler imageHandler = new ViewerImageHandler(config);
string guid = "document.xlsx";
// Set pdf file one page per sheet option to false, default value of this option is true
PdfFileOptions pdfFileOptions = new PdfFileOptions();
pdfFileOptions.Guid = guid;
pdfFileOptions.CellsOptions.OnePagePerSheet = false;
//Get pdf file
FileContainer fileContainer = imageHandler.GetPdfFile(pdfFileOptions);
//The pdf file stream
Stream pdfStream = fileContainer.Stream;
}
/// <summary>
/// Render the document in image form and set the rotation angle to rotate the page while display.
/// </summary>
/// <param name="DocumentName"></param>
/// <param name="RotationAngle">rotation angle in digits</param>
/// <param name="DocumentPassword"></param>
public static void RenderDocumentAsImages(String DocumentName, int RotationAngle, String DocumentPassword = null)
{
//ExStart:RenderAsImageWithRotationTransformation
//Get Configurations
ViewerConfig config = Utilities.GetConfigurations();
// Create image handler
ViewerHandler <PageImage> handler = new ViewerImageHandler(config);
// Guid implies that unique document name
string guid = DocumentName;
//Initialize ImageOptions Object and setting Rotate Transformation
ImageOptions options = new ImageOptions {
Transformations = Transformation.Rotate
};
// Set password if document is password protected.
if (!String.IsNullOrEmpty(DocumentPassword))
{
options.Password = DocumentPassword;
}
//Call RotatePages to apply rotate transformation to a page
Utilities.PageTransformations.RotatePages(ref handler, guid, 1, RotationAngle);
//down cast the handler(ViewerHandler) to viewerHtmlHandler
ViewerImageHandler imageHandler = (ViewerImageHandler)handler;
//Get document pages in image form
List <PageImage> Images = imageHandler.GetPages(guid, options);
foreach (PageImage image in Images)
{
//Save each image at disk
Utilities.SaveAsImage(image.PageNumber + "_" + DocumentName, image.Stream);
}
//ExEnd:RenderAsImageWithRotationTransformation
}
/// <summary>
/// document in image representation and reorder a page
/// </summary>
/// <param name="DocumentName">file/document name</param>
/// <param name="CurrentPageNumber">Page existing order number</param>
/// <param name="NewPageNumber">Page new order number</param>
/// <param name="DocumentPassword">Password Parameter is optional</param>
public static void RenderDocumentAsImages(String DocumentName, int CurrentPageNumber, int NewPageNumber, String DocumentPassword = null)
{
//ExStart:RenderAsImageAndReorderPage
//Get Configurations
ViewerConfig config = Utilities.GetConfigurations();
// Cast ViewerHtmlHandler class object to its base class(ViewerHandler).
ViewerHandler <PageImage> handler = new ViewerImageHandler(config);
// Guid implies that unique document name
string guid = DocumentName;
//Initialize ImageOptions Object and setting Reorder Transformation
ImageOptions options = new ImageOptions {
Transformations = Transformation.Reorder
};
// Set password if document is password protected.
if (!String.IsNullOrEmpty(DocumentPassword))
{
options.Password = DocumentPassword;
}
//Call ReorderPage and pass the reference of ViewerHandler's class parameter by reference.
Utilities.PageTransformations.ReorderPage(ref handler, guid, CurrentPageNumber, NewPageNumber);
//down cast the handler(ViewerHandler) to viewerHtmlHandler
ViewerImageHandler imageHandler = (ViewerImageHandler)handler;
//Get document pages in image form
List <PageImage> Images = imageHandler.GetPages(guid, options);
foreach (PageImage image in Images)
{
//Save each image at disk
Utilities.SaveAsImage(image.PageNumber + "_" + DocumentName, image.Stream);
}
//ExEnd:RenderAsImageAndReorderPage
}
/// <summary>
/// Perform multiple transformations in Image mode
/// </summary>
public static void Multiple_Transformations_For_Image()
{
Console.WriteLine("***** {0} *****", "Perform multiple transformations in Image mode");
/* ********************* SAMPLE ********************* */
// Setup GroupDocs.Viewer config
ViewerConfig config = new ViewerConfig();
config.StoragePath = @"C:\storage";
// Create image handler
ViewerImageHandler imageHandler = new ViewerImageHandler(config);
string guid = "word.doc";
// Rotate first page 90 degrees
imageHandler.RotatePage(new RotatePageOptions(guid, 1, 90));
// Rotate second page 180 degrees
imageHandler.RotatePage(new RotatePageOptions(guid, 2, 180));
// Reorder first and second pages
imageHandler.ReorderPage(new ReorderPageOptions(guid, 1, 2));
// Set options to include rotate and reorder transformations
ImageOptions options = new ImageOptions { Transformations = Transformation.Rotate | Transformation.Reorder };
// Set watermark properties
Watermark watermark = new Watermark("This is watermark text")
{
Color = System.Drawing.Color.Blue,
Position = WatermarkPosition.Diagonal,
Width = 100
};
options.Watermark = watermark;
// Get document pages image representation with multiple transformations
List<PageImage> pages = imageHandler.GetPages(guid, options);
}
/// <summary>
/// Load file tree list for custom path
/// </summary>
public static void LoadFileTree_CustomPath()
{
Console.WriteLine("***** {0} *****", "Load file tree list for custom path");
/* ********************* SAMPLE ********************* */
// Setup GroupDocs.Viewer config
ViewerConfig config = new ViewerConfig();
config.StoragePath = @"C:\storage";
// Create image handler
ViewerImageHandler imageHandler = new ViewerImageHandler(config);
// Load file tree list for custom path
var options = new FileTreeOptions(@"D:\");
FileTreeContainer container = imageHandler.LoadFileTree(options);
foreach (var node in container.FileTree)
{
if (node.IsDirectory)
{
Console.WriteLine("Guid: {0} | Name: {1} | LastModificationDate: {2}",
node.Guid,
node.Name,
node.LastModificationDate);
}
else
Console.WriteLine("Guid: {0} | Name: {1} | Document type: {2} | File type: {3} | Extension: {4} | Size: {5} | LastModificationDate: {6}",
node.Guid,
node.Name,
node.DocumentType,
node.FileType,
node.Extension,
node.Size,
node.LastModificationDate);
}
}
public ViewerController()
{
htmlConfig = new ViewerConfig
{
StoragePath = _storagePath,
CachePath = _tempPath,
UseCache = true
};
_htmlHandler = new ViewerHtmlHandler(htmlConfig);
imageConfig = new ViewerConfig
{
StoragePath = _storagePath,
CachePath = _tempPath,
UseCache = true
};
_imageHandler = new ViewerImageHandler(imageConfig);
// _streams.Add("ProcessFileFromStreamExample_1.pdf", HttpWebRequest.Create("http://unfccc.int/resource/docs/convkp/kpeng.pdf").GetResponse().GetResponseStream());
// _streams.Add("ProcessFileFromStreamExample_2.doc", HttpWebRequest.Create("http://www.acm.org/sigs/publications/pubform.doc").GetResponse().GetResponseStream());
}
public static void InImageRepresentation()
{
// Setup GroupDocs.Viewer config
ViewerConfig config = new ViewerConfig();
config.StoragePath = @"C:\storage";
// Create image handler
ViewerImageHandler imageHandler = new ViewerImageHandler(config);
string guid = "document.xlsx";
// Set image options to show grid lines
ImageOptions options = new ImageOptions();
options.CellsOptions.ShowGridLines = true;
List<PageImage> pages = imageHandler.GetPages(guid, options);
foreach (PageImage page in pages)
{
Console.WriteLine("Page number: {0}", page.PageNumber);
// Page image stream
Stream imageContent = page.Stream;
}
}
/// <summary>
/// Load directory structure as file tree
/// </summary>
/// <param name="Path"></param>
public static void LoadFileTree(String Path)
{
//ExStart:LoadFileTree
// Create/initialize image handler
ViewerImageHandler imageHandler = new ViewerImageHandler(Utilities.GetConfigurations());
// Load file tree list for custom path
var options = new FileTreeOptions(Path);
// Load file tree list for ViewerConfig.StoragePath
FileTreeContainer container = imageHandler.LoadFileTree(options);
foreach (var node in container.FileTree)
{
if (node.IsDirectory)
{
Console.WriteLine("Guid: {0} | Name: {1} | LastModificationDate: {2}",
node.Guid,
node.Name,
node.LastModificationDate);
}
else
{
Console.WriteLine("Guid: {0} | Name: {1} | Document type: {2} | File type: {3} | Extension: {4} | Size: {5} | LastModificationDate: {6}",
node.Guid,
node.Name,
node.DocumentType,
node.FileType,
node.Extension,
node.Size,
node.LastModificationDate);
}
}
//ExEnd:LoadFileTree
}
/// <summary>
/// Get attached image with email message
/// </summary>
/// <param name="DocumentName">Input document name</param>
public static void GetEmailAttachments(String DocumentName)
{
try
{
//ExStart:GetEmailAttachments
// Setup GroupDocs.Viewer config
ViewerConfig config = Utilities.GetConfigurations();
// Create image handler
ViewerImageHandler handler = new ViewerImageHandler(config);
EmailAttachment attachment = new EmailAttachment(DocumentName, "attachment-image.png");
// Get attachment original file
FileContainer container = handler.GetFile(attachment);
Console.WriteLine("Attach name: {0}, Type: {1}", attachment.Name, attachment.FileType);
Console.WriteLine("Attach stream lenght: {0}", container.Stream.Length);
//ExEnd:GetEmailAttachments
}
catch (System.Exception exp)
{
Console.WriteLine(exp.Message);
}
}
/// <summary>
/// Get document Image representation
/// </summary>
public static void Get_document_Image_representation()
{
Console.WriteLine("***** {0} *****", "Get document image representation");
/* ********************* SAMPLE ********************* */
// Setup GroupDocs.Viewer config
ViewerConfig config = new ViewerConfig();
config.StoragePath = @"C:\storage";
// Create image handler
ViewerImageHandler imageHandler = new ViewerImageHandler(config);
string guid = "word.doc";
List<PageImage> pages = imageHandler.GetPages(guid);
foreach (PageImage page in pages)
{
Console.WriteLine("Page number: {0}", page.PageNumber);
// Page image stream
Stream imageContent = page.Stream;
}
}
/// <summary>
/// Get document representation from Stream
/// </summary>
public static void Get_pages_from_stream()
{
Console.WriteLine("***** {0} *****", "Get document representation from Stream");
/* ********************* SAMPLE ********************* */
// Setup GroupDocs.Viewer config
ViewerConfig config = new ViewerConfig();
config.StoragePath = @"C:\storage";
// Create image handler
ViewerImageHandler imageHandler = new ViewerImageHandler(config);
using (FileStream fileStream = new FileStream(@"C:\storage\word.doc", FileMode.Open, FileAccess.Read))
{
// Get pages by absolute path
List<PageImage> pages = imageHandler.GetPages(fileStream, "word.doc");
Console.WriteLine("Page count: {0}", pages.Count);
}
}
public ActionResult Get(int?width, int?height, string file, int page, string watermarkText, int?watermarkColor, WatermarkPosition?watermarkPosition, int?watermarkWidth, byte watermarkOpacity, int?rotate, int?zoom)
{
if (Utils.IsValidUrl(file))
{
file = Utils.DownloadToStorage(file);
}
ViewerImageHandler handler = Utils.CreateViewerImageHandler();
if (rotate.HasValue)
{
if (rotate.Value > 0)
{
handler.ClearCache(file);
}
}
ImageOptions options = new ImageOptions();
options.PageNumbersToRender = new List <int>(new int[] { page });
options.PageNumber = page;
options.CountPagesToRender = 1;
if (Path.GetExtension(file).ToLower().StartsWith(".xls"))
{
options.CellsOptions.OnePagePerSheet = false;
options.CellsOptions.CountRowsPerPage = 150;
}
if (watermarkText != "")
{
options.Watermark = Utils.GetWatermark(watermarkText, watermarkColor, watermarkPosition, watermarkWidth, watermarkOpacity);
}
if (width.HasValue)
{
int w = Convert.ToInt32(width);
if (zoom.HasValue)
{
w = w + zoom.Value;
}
options.Width = w;
}
if (height.HasValue)
{
if (zoom.HasValue)
{
options.Height = options.Height + zoom.Value;
}
}
if (rotate.HasValue)
{
if (rotate.Value > 0)
{
if (width.HasValue)
{
int side = options.Width;
DocumentInfoContainer documentInfoContainer = handler.GetDocumentInfo(file);
int pageAngle = documentInfoContainer.Pages[page - 1].Angle;
if (pageAngle == 90 || pageAngle == 270)
{
options.Height = side;
}
else
{
options.Width = side;
}
}
options.Transformations = Transformation.Rotate;
handler.RotatePage(file, new RotatePageOptions(page, rotate.Value));
}
}
else
{
options.Transformations = Transformation.None;
handler.RotatePage(file, new RotatePageOptions(page, 0));
}
using (new InterProcessLock(file))
{
List <PageImage> list = handler.GetPages(file, options);
PageImage pageImage = list.Single(_ => _.PageNumber == page);
return(File(pageImage.Stream, "image/png"));
}
}
/// <summary>
/// Rotate page in Image mode
/// </summary>
public static void Rotate_page_in_Image_mode()
{
Console.WriteLine("***** {0} *****", "Rotate page in Image mode");
/* ********************* SAMPLE ********************* */
string licensePath = @"D:\GroupDocs.Viewer.lic";
// Setup license
GroupDocs.Viewer.License lic = new GroupDocs.Viewer.License();
lic.SetLicense(licensePath);
/* ******************** SAMPLE BEGIN *********************** */
/* ******************** Rotate 1st page of the document by 90 deg *********************** */
// Setup GroupDocs.Viewer config
ViewerConfig config = new ViewerConfig();
config.StoragePath = @"C:\storage";
// Create image handler
ViewerImageHandler imageHandler = new ViewerImageHandler(config);
string guid = "word.doc";
// Set rotation angle 90 for page number 1
RotatePageOptions rotateOptions = new RotatePageOptions(guid, 1, 90);
// Perform page rotation
imageHandler.RotatePage(rotateOptions);
/* ******************** Retrieve all document pages including transformation *********************** */
// Set image options to include rotate transformations
ImageOptions imageOptions = new ImageOptions
{
Transformations = Transformation.Rotate
};
// Get image representation of all document pages, including rotate transformations
List<PageImage> pages = imageHandler.GetPages(guid, imageOptions);
/* ******************** Retrieve all document pages excluding transformation *********************** */
// Set image options NOT to include ANY transformations
ImageOptions noTransformationsOptions = new ImageOptions
{
Transformations = Transformation.None // This is by default
};
// Get image representation of all document pages, without transformations
List<PageImage> pagesWithoutTransformations = imageHandler.GetPages(guid, noTransformationsOptions);
// Get image representation of all document pages, without transformations
List<PageImage> pagesWithoutTransformations2 = imageHandler.GetPages(guid);
/********************* SAMPLE END *************************/
//foreach (PageImage page in pages)
//{
// // Page number
// Console.WriteLine("Page number: {0}", page.PageNumber);
// // Page image stream
// Stream imageContent = page.Stream;
// using (
// FileStream file = new FileStream(string.Format(@"C:\{0}.png", page.PageNumber),
// FileMode.Create, FileAccess.ReadWrite))
// {
// MemoryStream xxx = new MemoryStream();
// page.Stream.CopyTo(xxx);
// var arr = xxx.ToArray();
// file.Write(arr, 0, arr.Length);
// }
//}
}