public HttpResponseMessage RotateDocumentPages(PostedDataWrapper postedData)
{
try
{
// get/set parameters
String documentGuid = postedData.guid;
int angle = postedData.angle;
List <int> pages = postedData.pages;
bool htmlMode = postedData.htmlMode;
string password = postedData.password;
// a list of the rotated pages info
List <RotatedPageWrapper> rotatedPages = new List <RotatedPageWrapper>();
// rotate pages
for (int i = 0; i < pages.Count; i++)
{
// prepare rotated page info object
RotatedPageWrapper rotatedPage = new RotatedPageWrapper();
int pageNumber = pages[i];
RotatePageOptions rotateOptions = new RotatePageOptions(pageNumber, angle);
// perform page rotation
String resultAngle = "0";
// set password for protected document
if (!String.IsNullOrEmpty(password))
{
rotateOptions.Password = password;
}
if (htmlMode)
{
viewerHtmlHandler.RotatePage(documentGuid, rotateOptions);
resultAngle = viewerHtmlHandler.GetDocumentInfo(documentGuid).Pages[pageNumber - 1].Angle.ToString();
}
else
{
viewerImageHandler.RotatePage(documentGuid, rotateOptions);
resultAngle = viewerImageHandler.GetDocumentInfo(documentGuid).Pages[pageNumber - 1].Angle.ToString();
}
// add rotated page number
rotatedPage.pageNumber = pageNumber;
// add rotated page angle
rotatedPage.angle = resultAngle;
// add rotated page object into resulting list
rotatedPages.Add(rotatedPage);
}
return(Request.CreateResponse(HttpStatusCode.OK, rotatedPages));
}
catch (Exception ex)
{
// set exception message
ErrorMsgWrapper errorMsgWrapper = new ErrorMsgWrapper();
errorMsgWrapper.message = ex.Message;
errorMsgWrapper.exception = ex;
return(Request.CreateResponse(HttpStatusCode.OK, errorMsgWrapper));
}
}
/// <summary>
/// Perform multiple transformations in Html mode
/// </summary>
public static void Multiple_Transformations_For_Html()
{
Console.WriteLine("***** {0} *****", "Perform multiple transformations in Html mode");
/* ********************* SAMPLE ********************* */
// Setup GroupDocs.Viewer config
ViewerConfig config = new ViewerConfig();
config.StoragePath = @"C:\storage";
// Create html handler
ViewerHtmlHandler htmlHandler = new ViewerHtmlHandler(config);
string guid = "word.doc";
// Rotate first page 90 degrees
htmlHandler.RotatePage(new RotatePageOptions(guid, 1, 90));
// Rotate second page 180 degrees
htmlHandler.RotatePage(new RotatePageOptions(guid, 2, 180));
// Reorder first and second pages
htmlHandler.ReorderPage(new ReorderPageOptions(guid, 1, 2));
// Set options to include rotate and reorder transformations
HtmlOptions options = new HtmlOptions { 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 html representation with multiple transformations
List<PageHtml> pages = htmlHandler.GetPages(guid, options);
}
/// <summary>
/// Rotate page in Html mode
/// </summary>
public static void Rotate_Page_In_Html_Mode()
{
Console.WriteLine("***** {0} *****", "Rotate page in Html 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 html handler
ViewerHtmlHandler htmlHandler = new ViewerHtmlHandler(config);
string guid = "word.doc";
// Set rotation angle 90 for page number 1
RotatePageOptions rotateOptions = new RotatePageOptions(guid, 1, 90);
// Perform page rotation
htmlHandler.RotatePage(rotateOptions);
/* ******************** Retrieve all document pages including transformation *********************** */
// Set html options to include rotate transformations
HtmlOptions htmlOptions = new HtmlOptions
{
Transformations = Transformation.Rotate
};
// Get html representation of all document pages, including rotate transformations
List<PageHtml> pages = htmlHandler.GetPages(guid, htmlOptions);
/* ******************** Retrieve all document pages excluding transformation *********************** */
// Set html options NOT to include ANY transformations
HtmlOptions noTransformationsOptions = new HtmlOptions
{
Transformations = Transformation.None // This is by default
};
// Get html representation of all document pages, without transformations
List<PageHtml> pagesWithoutTransformations = htmlHandler.GetPages(guid, noTransformationsOptions);
// Get html representation of all document pages, without transformations
List<PageHtml> pagesWithoutTransformations2 = htmlHandler.GetPages(guid);
/********************* SAMPLE END *************************/
//foreach (PageHtml page in pages)
//{
// // Page number
// Console.WriteLine("Page number: {0}", page.PageNumber);
//}
}