private DrawingVisual LayoutHeadingAndNumber(int pageNumber, string Heading, int fontSize, System.Windows.Media.Brush brush)
{
DrawingVisual title = new DrawingVisual();
using (DrawingContext titleContext = title.RenderOpen())
{
TextPreformats text3 = GetPageNumbers(pageNumber);
//TODO this must be parameterised, HARD CODED DEMO ONLY
TextPreformats headingDemo = new TextPreformats(Heading, fontSize, brush);
TextPreformats footerTitle = new TextPreformats(System.DateTime.Today, 14, System.Windows.Media.Brushes.Green);
Rect contentBox = _paginator.GetPage(pageNumber).ContentBox;
PlaceHeadingFooting(headingDemo, contentBox, Positions.Topleft, titleContext);
if (text3.textHeight < _footerSize + 2)
{
PlaceHeadingFooting(text3, contentBox, Positions.BottomRight, titleContext);
}
PlaceHeadingFooting(text3, contentBox, Positions.Topright, titleContext);
if (text3.textHeight < _footerSize + 2)
{
PlaceHeadingFooting(footerTitle, contentBox, Positions.Bottomleft, titleContext);
}
}
return(title);
}
/// <summary>
/// 下一个页面
/// </summary>
public void NextPage()
{
CurrentPageIndex++;
var documentPage = _paginator.GetPage(CurrentPageIndex);
OnPageChanged(documentPage);
}
public override DocumentPage GetPage(int pageNumber)
{
//что бы paginator.PageCount вернул корректное значение нужно сформировать все страницы
if (!paginator.IsPageCountValid)
{
var totalPages = 0;
while (paginator.GetPage(totalPages++) != DocumentPage.Missing)
{
}
}
if (selection == PageRangeSelection.UserPages)
{
pageNumber = pageNumber + Math.Min(range.PageFrom, paginator.PageCount) - 1;
}
var originalVisual = paginator.GetPage(pageNumber).Visual;
var visual = new ContainerVisual();
var pageVisual = new ContainerVisual {
Transform = new TranslateTransform(
Margins.Left,
Margins.Top)
};
pageVisual.Children.Add(originalVisual);
visual.Children.Add(pageVisual);
var header = Header(pageNumber);
if (header != null)
{
var headerContainer = new ContainerVisual {
Transform = new TranslateTransform(Margins.Left, 0)
};
headerContainer.Children.Add(header);
visual.Children.Add(headerContainer);
}
var footer = Footer(pageNumber);
if (footer != null)
{
var footerContainer = new ContainerVisual {
Transform = new TranslateTransform(Margins.Left, PageSize.Height - Margins.Bottom)
};
footerContainer.Children.Add(footer);
visual.Children.Add(footerContainer);
}
var documentPage = new DocumentPage(visual,
pageSize,
new Rect(new Point(), pageSize),
new Rect(new Point(Margins.Left, Margins.Top), ContentSize()));
return(documentPage);
}
public override DocumentPage GetPage(int pageNumber)
{
// Get the requested page.
DocumentPage page = flowDocumentPaginator.GetPage(pageNumber);
// Wrap the page in a Visual. You can then add a transformation and extras.
ContainerVisual newVisual = new ContainerVisual();
newVisual.Children.Add(page.Visual);
// Create a header.
DrawingVisual header = new DrawingVisual();
using (DrawingContext context = header.RenderOpen())
{
Typeface typeface = new Typeface("Times New Roman");
FormattedText text = new FormattedText("Page " + (pageNumber + 1).ToString(),
CultureInfo.CurrentCulture, FlowDirection.LeftToRight,
typeface, 14, Brushes.Black);
// Leave a quarter-inch of space between the page edge and this text.
context.DrawText(text, new Point(96 * 0.25, 96 * 0.25));
}
// Add the title to the visual.
newVisual.Children.Add(header);
// Wrap the visual in a new page.
DocumentPage newPage = new DocumentPage(newVisual);
return(newPage);
}
public override DocumentPage GetPage(int pageNumber)
{
DocumentPaginator dpg = keepFixedDoc.DocumentPaginator;
DocumentPage dp = dpg.GetPage(pageNumber);
return(dp);
}
public override DocumentPage GetPage(int pageNumber)
{
var page = _paginator.GetPage(pageNumber);
Visual originalPage = page.Visual;
var visual = new ContainerVisual();
doc.DataSource.PageNumber = pageNumber + 1;
var headerVisual = GetHeaderFooterVisualFromDataTemplate(doc.Header, _definition.HeaderRect);
var footerVisual = GetHeaderFooterVisualFromDataTemplate(doc.Footer, _definition.FooterRect);
headerVisual.Offset = new Vector(_definition.HeaderRect.X, _definition.HeaderRect.Y);
footerVisual.Offset = new Vector(_definition.FooterRect.X, _definition.FooterRect.Y);
visual.Children.Add(headerVisual);
visual.Children.Add(footerVisual);
var pageVisual = new ContainerVisual()
{
Transform = new TranslateTransform(_definition.ContentOrigin.X, _definition.ContentOrigin.Y),
};
pageVisual.Children.Add(originalPage);
visual.Children.Add(pageVisual);
return(new DocumentPage(visual, _definition.PageSize, new Rect(new Point(), _definition.ContentSize), new Rect(_definition.ContentOrigin, _definition.PageSize)));
}
/// <summary>МЕТОД Разбиваем документ на страницы</summary>
/// <param name="pPageNumber">Номер страницы</param>
public override DocumentPage GetPage(int pPageNumber)
{
// Размер странцы (максимальный, всё равно усекается отступами)
PageSize = new Size(794, 1130);
// Извлекаем запрашиваемую страницу
DocumentPage _Page = PRI_DocPag.GetPage(pPageNumber + PRI_StartIndex);
// Этот кусок исправляет ошибку печати с диапазоном, на некоторых принтерах
// Create a new ContainerVisual as a new parent for page children
var _Container = new ContainerVisual();
if (_Page.Visual is FixedPage)
{
foreach (var _Сhild in ((FixedPage)_Page.Visual).Children)
{
// Make a shallow clone of the child using reflection
var _СhildClone = (UIElement)_Сhild.GetType().GetMethod("MemberwiseClone", BindingFlags.Instance | BindingFlags.NonPublic).Invoke(_Сhild, null);
// Setting the parent of the cloned child to the created ContainerVisual by using Reflection.
// WARNING: If we use Add and Remove methods on the FixedPage.Children, for some reason it will
// throw an exception concerning event handlers after the printing job has finished.
var _ParentField = _СhildClone.GetType().GetField("_parent", BindingFlags.Instance | BindingFlags.NonPublic);
if (_ParentField != null)
{
_ParentField.SetValue(_СhildClone, null);
_Container.Children.Add(_СhildClone);
}
}
return(new DocumentPage(_Container, _Page.Size, _Page.BleedBox, _Page.ContentBox));
}
return(_Page);
}
private Border GetPageUiElement(int i, DocumentPaginator paginator, double scale)
{
var source = paginator.GetPage(i);
var border = new Border()
{
Background = Brushes.White
};
border.Margin = new Thickness(10 * scale);
border.BorderBrush = Brushes.DarkGray;
border.BorderThickness = new Thickness(1);
//var margin = PrintUtility.GetPageMargin(CurrentPrinterName);
var margin = new Thickness();
var rectangle = new Rectangle();
rectangle.Width = ((source.Size.Width * 0.96 - (margin.Left + margin.Right)) * scale);
rectangle.Height = ((source.Size.Height * 0.96 - (margin.Top + margin.Bottom)) * scale);
rectangle.Margin = new Thickness(margin.Left * scale, margin.Top * scale, margin.Right * scale, margin.Bottom * scale);
rectangle.Fill = Brushes.White;
var vb = new VisualBrush(source.Visual);
vb.Opacity = 1;
vb.Stretch = Stretch.Uniform;
rectangle.Fill = vb;
border.Child = rectangle;
return(border);
}
public override DocumentPage GetPage(int pageNumber)
{
var page = m_Paginator.GetPage(pageNumber);
// Create a wrapper visual for transformation and add extras
var newpage = new ContainerVisual();
var title = new DrawingVisual();
using (var ctx = title.RenderOpen())
{
if (m_Typeface == null)
{
m_Typeface = new Typeface("Arial");
}
var text = new FormattedText("GS Server Notes - Page " + (pageNumber + 1),
System.Globalization.CultureInfo.CurrentCulture, FlowDirection.LeftToRight,
m_Typeface, 14, Brushes.Black, VisualTreeHelper.GetDpi(newpage).PixelsPerDip);
ctx.DrawText(text, new Point(0, -96 / 4.0)); // 1/4 inch above page content
}
var background = new DrawingVisual();
using (var ctx = background.RenderOpen())
{
ctx.DrawRectangle(new SolidColorBrush(Color.FromRgb(255, 255, 255)), null, page.ContentBox);
}
newpage.Children.Add(background); // Scale down page and center
var smallerPage = new ContainerVisual();
smallerPage.Children.Add(page.Visual);
smallerPage.Transform = new MatrixTransform(0.95, 0, 0, 0.95, 0.025 * page.ContentBox.Width, 0.025 * page.ContentBox.Height);
newpage.Children.Add(smallerPage);
newpage.Children.Add(title);
newpage.Transform = new TranslateTransform(m_Margin.Width, m_Margin.Height);
return(new DocumentPage(newpage, m_PageSize, Move(page.BleedBox), Move(page.ContentBox)));
}
public override DocumentPage GetPage(int pageNumber)
{
m_PageContent.Children.Clear();
m_SmallerPage.Children.Clear();
m_NewPage.Children.Clear();
m_SmallerPageContainer.Children.Clear();
DrawingVisual title = new DrawingVisual();
var pixelsPerDip = GNPXApp000.pixelsPerDip;
using (DrawingContext ctx = title.RenderOpen()){
FontFamily font = new FontFamily("Times New Roman");
Typeface typeface = new Typeface(font, FontStyles.Normal, FontWeights.Bold, FontStretches.Normal);
FormattedText text = new FormattedText("Page " + (pageNumber + 1) + " of " + m_PageCount,
System.Globalization.CultureInfo.CurrentCulture, FlowDirection.LeftToRight,
typeface, 14, Brushes.Black, pixelsPerDip);
ctx.DrawText(text, new Point(0, 0));
}
DocumentPage page = m_Paginator.GetPage(0);
m_PageContent.Children.Add(page.Visual);
RectangleGeometry clip = new RectangleGeometry(new Rect(0, m_ContentSize.Height * pageNumber, m_ContentSize.Width, m_ContentSize.Height));
m_PageContent.Clip = clip;
m_PageContent.Transform = new TranslateTransform(0, -m_ContentSize.Height * pageNumber);
m_SmallerPage.Children.Add(m_PageContent);
m_SmallerPage.Transform = new ScaleTransform(0.95, 0.95);
m_SmallerPageContainer.Children.Add(m_SmallerPage);
m_SmallerPageContainer.Transform = new TranslateTransform(0, 24);
m_NewPage.Children.Add(title);
m_NewPage.Children.Add(m_SmallerPageContainer);
m_NewPage.Transform = new TranslateTransform(m_Margin.Width, m_Margin.Height);
return(new DocumentPage(m_NewPage, m_PageSize, Move(page.BleedBox), Move(page.ContentBox)));
}
/// <summary>
/// 加载分页器
/// </summary>
private void LoadPaginator()
{
_paginator = PaginatorFactory.GetDocumentPaginator(_config);
OnPageLoading();
Task.Factory.StartNew(() =>
{
if (PageOrientation == PageOrientation.Portrait)
{
_paginator.PageSize = new Size((int)PageSize.Width, (int)PageSize.Height);
}
else if (PageOrientation == PageOrientation.Landscape)
{
_paginator.PageSize = new Size((int)PageSize.Height, (int)PageSize.Width);
}
PageCount = _paginator.PageCount;
EndIndex = PageCount - 1;
CurrentPageIndex = 0;
_dispatcher.BeginInvoke(new Action(() => OnPageChanged(_paginator.GetPage(CurrentPageIndex))));
});
}
/*
* private bool walk_child_nodes_for_BringIntoView(string uri, DependencyObject parent)
* {
* bool found = false;
* try
* {
*
* for (int i = 0; i < System.Windows.Media.VisualTreeHelper.GetChildrenCount(parent); i++)
* {
* System.Windows.Media.Visual child = null;
* try
* {
* child = (System.Windows.Media.Visual)System.Windows.Media.VisualTreeHelper.GetChild(parent, i);
* if (child != null)
* {
* string res = "";
* res = child.GetValue(System.Windows.Documents.Glyphs.NameProperty).ToString();
* if (res.Equals(uri))
* {
* ((FrameworkElement)child).BringIntoView();
* found = true;
* }
* }
* }
* catch //(System.Exception ex)
* {
* //...
* }
* if (found == false && child != null)
* walk_child_nodes_for_BringIntoView(uri, child);
* }
* }
* catch //(System.Exception ex)
* {
* //...
* }
* return found;
* }
*/
private bool BringIntoView_ByURI(string url_to_search, int pageIdx)
{
bool found = false;
try
{
DocumentPaginator pag = documentViewer.Document.DocumentPaginator;
FixedDocumentSequence seq = (FixedDocumentSequence)documentViewer.Document;
System.Windows.Media.Visual page = pag.GetPage(pageIdx).Visual;
FixedPage fp = page as FixedPage;
Canvas can = fp.Children[0] as Canvas;
object obj = can.FindName(url_to_search);
if (obj != null)
{
((FrameworkElement)obj).BringIntoView();
found = true;
}
}
catch (Exception ex)
{
LogFile.Error("Error in BringIntoView_ByURI()", ex);
}
return(found);
}
protected override void OnKeyDown(System.Windows.Input.KeyEventArgs e)
{
base.OnKeyDown(e);
if (e.Key == Key.D1)
{
pageIndex = 0;
index++;
if (index >= xpsList.Count)
{
index = 0;
}
XpsDocument _xpsDocument = new XpsDocument(xpsList[index], System.IO.FileAccess.Read);
paginator = _xpsDocument.GetFixedDocumentSequence().DocumentPaginator;
Console.WriteLine("page size " + paginator.PageCount);
Console.WriteLine("page size " + paginator.PageSize);
var page = paginator.GetPage(pageIndex);
DrawPage(page.Visual, page.Size);
}
if (e.Key == Key.D2)
{
pageIndex++;
if (pageIndex >= paginator.PageCount)
{
pageIndex = 0;
}
var page = paginator.GetPage(pageIndex);
DrawPage(page.Visual, page.Size);
}
}
public override DocumentPage GetPage(int pageNumber)
{
DocumentPage page = m_Paginator.GetPage(pageNumber);
// Create a wrapper visual for transformation and add extras
ContainerVisual newpage = new ContainerVisual();
DrawingVisual title = new DrawingVisual();
using (DrawingContext ctx = title.RenderOpen())
{
if (m_Typeface == null)
{
m_Typeface = new Typeface("Times New Roman");
}
FormattedText text = new FormattedText("Page " + (pageNumber + 1),
System.Globalization.CultureInfo.CurrentCulture, FlowDirection.LeftToRight,
m_Typeface, 14, Brushes.Black);
ctx.DrawText(text, new Point(0, -96 / 4)); // 1/4 inch above page content
}
ContainerVisual smallerPage = new ContainerVisual();
smallerPage.Children.Add(page.Visual);
smallerPage.Transform = new MatrixTransform(0.95, 0, 0, 0.95,
0.025 * page.ContentBox.Width, 0.025 * page.ContentBox.Height);
newpage.Children.Add(smallerPage);
newpage.Children.Add(title);
newpage.Transform = new TranslateTransform(m_Margin.Width, m_Margin.Height);
return(new DocumentPage(newpage, m_PageSize, Move(page.BleedBox), Move(page.ContentBox)));
}
public override DocumentPage GetPage(int pageNumber)
{
DocumentPage page = _paginator.GetPage(pageNumber + FirstPritedPage);
var newpage = new ContainerVisual();
if (BackgroundBrush != null)
{
newpage.Children.Add(GetBackColorVisual(page, BackgroundBrush));
}
if (Mark != null && Mark.ImageSource != null)
{
DrawingVisual background = GetBackgroundVisual(page);
newpage.Children.Add(background);
}
ContainerVisual smallerPage = GetPageContentVisual(page);
newpage.Children.Add(smallerPage);
ContainerVisual footer = GetFooterVisual(page, pageNumber);
if (footer != null)
{
newpage.Children.Add(footer);
}
return(new DocumentPage(newpage, page.Size, page.BleedBox, page.ContentBox));
}
public void SaveToTIF(string fileName)
{
XpsDocument xd = new XpsDocument(fileName, System.IO.FileAccess.Read);
FixedDocumentSequence fds = xd.GetFixedDocumentSequence();
DocumentPaginator paginator = fds.DocumentPaginator;
System.Windows.Media.Visual visual = paginator.GetPage(0).Visual;
System.Windows.FrameworkElement fe = (System.Windows.FrameworkElement)visual;
int multiplyFactor = 4;
string outputPath = fileName.Replace(".xps", ".tif");
RenderTargetBitmap bmp = new RenderTargetBitmap(
(int)fe.ActualWidth * multiplyFactor,
(int)fe.ActualHeight * multiplyFactor,
96d * multiplyFactor,
96d * multiplyFactor,
System.Windows.Media.PixelFormats.Default);
bmp.Render(fe);
TiffBitmapEncoder tff = new TiffBitmapEncoder();
tff.Frames.Add(BitmapFrame.Create(bmp));
using (Stream stream = File.Create(outputPath))
{
tff.Save(stream);
}
}
/* Wrap fixed page to avoid exception of fixed page in fixed page */
public override DocumentPage GetPage(int page_num)
{
var page = _basepaginator.GetPage(page_num + _first);
var vis_cont = new ContainerVisual();
if (page.Visual is FixedPage)
{
foreach (var child in ((FixedPage)page.Visual).Children)
{
var clone = (System.Windows.UIElement)child.GetType().GetMethod("MemberwiseClone",
BindingFlags.Instance | BindingFlags.NonPublic).Invoke(child, null);
var parentField = clone.GetType().GetField("_parent",
BindingFlags.Instance | BindingFlags.NonPublic);
if (parentField != null)
{
parentField.SetValue(clone, null);
vis_cont.Children.Add(clone);
}
}
return(new DocumentPage(vis_cont, page.Size, page.BleedBox,
page.ContentBox));
}
return(page);
}
public override DocumentPage GetPage(int pageNumber)
{
var page = _paginator.GetPage(pageNumber + _startIndex);
// Create a new ContainerVisual as a new parent for page children
var cv = new ContainerVisual();
if (page.Visual is FixedPage)
{
foreach (var child in ((FixedPage)page.Visual).Children)
{
// Make a shallow clone of the child using reflection
var childClone = (UIElement)child.GetType().GetMethod("MemberwiseClone", BindingFlags.Instance | BindingFlags.NonPublic).Invoke(child, null);
// Setting the parent of the cloned child to the created ContainerVisual by using Reflection.
// WARNING: If we use Add and Remove methods on the FixedPage.Children, for some reason it will
// throw an exception concerning event handlers after the printing job has finished.
var parentField = childClone.GetType().GetField("_parent",
BindingFlags.Instance | BindingFlags.NonPublic);
if (parentField != null)
{
parentField.SetValue(childClone, null);
cv.Children.Add(childClone);
}
}
return(new DocumentPage(cv, page.Size, page.BleedBox, page.ContentBox));
}
return(page);
}
public override DocumentPage GetPage(int pageNumber)
{
DocumentPage page = m_Paginator.GetPage(pageNumber);
// Create a wrapper visual for transformation and add extras
ContainerVisual newpage = new ContainerVisual();
return(new DocumentPage(page.Visual, m_PageSize, Move(page.BleedBox), Move(page.ContentBox)));
}
public override DocumentPage GetPage(int pageNumber)
{
DocumentPage originalPage = _originalPaginator.GetPage(pageNumber);
ContainerVisual fixedPage = new ContainerVisual();
fixedPage.Children.Add(originalPage.Visual);
fixedPage.Transform = new TranslateTransform(_pageMargin.Width, _pageMargin.Height);
return(new DocumentPage(fixedPage, _pageSize, AdjustForMargins(originalPage.BleedBox), AdjustForMargins(originalPage.ContentBox)));
}
public static DeckModel OpenXPS(string file)
{
try
{
Misc.ProgressBarForm progressForm = new UW.ClassroomPresenter.Misc.ProgressBarForm("Opening \"" + file + "\"...");
progressForm.Show();
//Open Xps Document
XpsDocument xpsDocument = null;
xpsDocument = new XpsDocument(file, FileAccess.Read);
//Create two DocumentPaginators for the XPS document. One is for local display, the other one is for the delivery to students.
DocumentPaginator paginator = xpsDocument.GetFixedDocumentSequence().DocumentPaginator;
//Create Deck Model
Guid deckGuid = Guid.NewGuid();
DeckModel deck = new DeckModel(deckGuid, DeckDisposition.Empty, file);
using (Synchronizer.Lock(deck.SyncRoot))
{
deck.IsXpsDeck = true;
//Iterate over all pages
for (int i = 0; i < paginator.PageCount; i++)
{
DocumentPage page = paginator.GetPage(i);
SlideModel newSlideModel = CreateSlide(page, deck);
//Create a new Entry + reference SlideModel
TableOfContentsModel.Entry newEntry = new TableOfContentsModel.Entry(Guid.NewGuid(), deck.TableOfContents, newSlideModel);
//Lock the TOC
using (Synchronizer.Lock(deck.TableOfContents.SyncRoot))
{
//Add Entry to TOC
deck.TableOfContents.Entries.Add(newEntry);
}
//Update the Progress Bar
progressForm.UpdateProgress(0, paginator.PageCount, i + 1);
}
}
//Close Progress Bar
progressForm.Close();
return(deck);
}
catch (Exception e)
{
System.Diagnostics.Trace.WriteLine(e.ToString());
}
GC.Collect();
return(null);
}
private void AddThumbnail(object sender, RoutedEventArgs e)
{
FixedDocumentSequence docSeq = _xpsDocument.GetFixedDocumentSequence();
DocumentPaginator paginator = docSeq.DocumentPaginator;
DocumentPage page = paginator.GetPage(0);
// Create a rendertarget for the glyphs element. Round up width and height
RenderTargetBitmap rt = new RenderTargetBitmap((int)page.Size.Width,
(int)page.Size.Height,
96, 96,
PixelFormats.Default);
FixedPage fixedPage = (FixedPage)page.Visual;
fixedPage.Measure(new Size(page.Size.Width, page.Size.Height));
fixedPage.Arrange(new Rect(new Size(page.Size.Width, page.Size.Height)));
rt.Render(fixedPage);
JpegBitmapEncoder jpegEncoder = new JpegBitmapEncoder();
jpegEncoder.Frames.Add(BitmapFrame.Create((BitmapSource)rt));
Stream stream = new MemoryStream();
jpegEncoder.Save(stream);
XpsThumbnail thumbnail = _xpsDocument.AddThumbnail(XpsImageType.JpegImageType);
Stream dstStream = thumbnail.GetStream();
byte[] thumbnailData = new byte[stream.Length];
// let's read the whole block into our buffer
int totalBytesRead = 0;
int requestedCount = (int)stream.Length;
stream.Position = 0;
while (totalBytesRead < requestedCount)
{
int bytesRead = stream.Read(thumbnailData,
totalBytesRead,
requestedCount - totalBytesRead);
if (bytesRead == 0)
{
break;
}
totalBytesRead += bytesRead;
}
dstStream.Write(thumbnailData, 0, (int)stream.Length);
dstStream.Close();
thumbnail.Commit();
_xpsDocument.Close();
stream.Position = 0;
ImageBrush imageBrush = new ImageBrush(BitmapFrame.Create(stream));
imageBrush.Stretch = Stretch.Uniform;
thumbnailDisplay.Fill = imageBrush;
// Once a thumbnail is set disable the "Add Thumbnail" button.
addThumbnailButton.IsEnabled = false;
}
private RenderTargetBitmap GetPageBitmap(DocumentPaginator documentPaginator, int pageNumber, Parameters parameters)
{
const double dpiConst = 96.0;
double dpi = parameters.Dpi;
var size = parameters.RequiredSize ?? new Size();
bool isSizeDefined(int requiredSize) => requiredSize > 0;
void calcDpi(int requiredSize, double pageSize)
{
if (isSizeDefined(requiredSize))
{
dpi = (requiredSize / pageSize) * dpiConst;
}
}
try
{
using (var page = documentPaginator.GetPage(pageNumber))
{
if (!size.IsEmpty)
{
var portrait = page.Size.Height >= page.Size.Width;
if (portrait || !isSizeDefined(size.Width))
{
calcDpi(size.Height, page.Size.Height);
}
if (!portrait || !isSizeDefined(size.Height))
{
calcDpi(size.Width, page.Size.Width);
}
}
var ratio = dpi / dpiConst;
var bitmap = new RenderTargetBitmap((int)Math.Round(page.Size.Width * ratio),
(int)Math.Round(page.Size.Height * ratio), dpi, dpi, PixelFormats.Pbgra32);
bitmap.Render(page.Visual);
// Memory leak fix.
// http://social.msdn.microsoft.com/Forums/en/wpf/thread/c6511918-17f6-42be-ac4c-459eeac676fd
((FixedPage)page.Visual).UpdateLayout();
return(bitmap);
}
}
catch (XamlParseException ex)
{
throw new ConversionException(ex.Message, pageNumber + 1, ex);
}
}
internal static DocumentPage GetPage(DocumentPaginator paginator, int index)
{
EmitEvent(EventTrace.Event.WClientDRXGetPageBegin);
DocumentPage page = paginator.GetPage(index);
EmitEvent(EventTrace.Event.WClientDRXGetPageEnd);
return(page);
}
/// <summary>
/// Write a single DocumentPaginator and close package
/// </summary>
public override void Write(DocumentPaginator documentPaginator, PrintTicket printTicket)
{
//SerializeVisualTree(documentPaginator.Source as DependencyObject);
for (int i = 0; i < documentPaginator.PageCount; i++)
{
DocumentPage page = documentPaginator.GetPage(i);
SerializeVisualTree(page.Visual);
}
_writer.Close();
}
/// <summary>
/// This is the most important method , modifies the original
/// </summary>
public override DocumentPage GetPage(int pageNumber)
{
var newpage = new ContainerVisual();
if (pageNumber == 0 && reportDef.FirstPageHeader != null)
{
var v = GetVisualFromTemplate(reportDef.FirstPageHeader);
v.Offset = new Vector(0, 0);
newpage.Children.Add(v);
}
else if (pageNumber == 0 && reportDef.FirstPageHeader == null && reportDef.PageHeader != null)
{
var v = GetVisualFromTemplate(reportDef.PageHeader);
v.Offset = new Vector(0, 0);
newpage.Children.Add(v);
}
if (pageNumber > 0 && reportDef.PageHeader != null)
{
var v = GetVisualFromTemplate(reportDef.PageHeader);
v.Offset = new Vector(0, 0);
newpage.Children.Add(v);
}
var smallerPage = new ContainerVisual();
var page = paginator.GetPage(pageNumber);
smallerPage.Children.Add(page.Visual);
if (pageNumber == 0 && reportDef.FirstPageHeader != null)
{
smallerPage.Offset = new Vector(0, reportDef.FirstHeaderHeight);
}
else
{
smallerPage.Offset = new Vector(0, reportDef.HeaderHeight);
}
newpage.Children.Add(smallerPage);
if (pageNumber == pageCount - 1 && reportDef.LastPageFooter != null)
{
var v = GetVisualFromTemplate(reportDef.LastPageFooter);
v.Offset = new Vector(0, reportDef.HeaderHeight + paginator.PageSize.Height - reportDef.LastFooterHeight - reportDef.PagePadding.Top);
newpage.Children.Add(v);
}
else if (reportDef.PageFooter != null)
{
var v = GetVisualFromTemplate(reportDef.PageFooter);
v.Offset = new Vector(0, reportDef.HeaderHeight + paginator.PageSize.Height - reportDef.FooterHeight - reportDef.PagePadding.Top);
newpage.Children.Add(v);
}
var dp = new DocumentPage(newpage, new Size(pageSize.Width, pageSize.Height), page.BleedBox, page.ContentBox);
return(dp);
}
private void SinglePageImage_Click(object sender, RoutedEventArgs e)
{
MyPopUp.IsOpen = false;
try
{
if (officeFileOpen_Status)
{
FixedDocumentSequence seq;
seq = xpsDoc.GetFixedDocumentSequence();
DocumentPaginator paginator = seq.DocumentPaginator;
if (int.Parse(PageNumberBox.Text) < paginator.PageCount)
{
FolderBrowserDialog folderBrowserDialog1 = new FolderBrowserDialog();
DialogResult result = folderBrowserDialog1.ShowDialog();
string localpath = String.Empty;
localpath = folderBrowserDialog1.SelectedPath;
//// I only want the all page for this example
Visual visual = paginator.GetPage((int.Parse(PageNumberBox.Text) - 1)).Visual;
FrameworkElement fe = (FrameworkElement)visual;
int multiplyFactor = 4;
string outputPath = localpath + "\\page" + (int.Parse(PageNumberBox.Text) - 1) + ".png";
Console.WriteLine(localpath);
RenderTargetBitmap bmp = new RenderTargetBitmap(
(int)fe.ActualWidth * multiplyFactor,
(int)fe.ActualHeight * multiplyFactor,
96d * multiplyFactor,
96d * multiplyFactor,
PixelFormats.Default);
bmp.Render(fe);
PngBitmapEncoder png = new PngBitmapEncoder();
png.Frames.Add(BitmapFrame.Create(bmp));
using (Stream stream = File.Create(outputPath))
{
png.Save(stream);
}
System.Windows.MessageBox.Show("Image Saved Successfully", "Status", MessageBoxButton.OK, MessageBoxImage.Information);
}
else
{
System.Windows.MessageBox.Show("Given Page Number is Greater than Number of pages in the Document", "Page Number Overflow", MessageBoxButton.OK, MessageBoxImage.Information);
}
}
else
{
System.Windows.MessageBox.Show("Please select a office File (*.docx,*.doc,*.els,*.elsx,*.ppt,*.pptx)", "Select a MS Office File", MessageBoxButton.OK, MessageBoxImage.Information);
}
}
catch (Exception)
{
System.Windows.MessageBox.Show("Please Select a Folder Loaction to Store the Images", "Select a Folder Loaction", MessageBoxButton.OK, MessageBoxImage.Information);
}
}
public override DocumentPage GetPage(int pageNumber)
{
DocumentPage cachedPage;
if (_PageCache.TryGetValue(pageNumber, out cachedPage) && cachedPage.Visual != null)
{
return(cachedPage);
}
DocumentPage page = _Paginator.GetPage(pageNumber);
// Create a wrapper visual for transformation and add extras
ContainerVisual newpage = new ContainerVisual();
public override DocumentPage GetPage(int pageNumber)
{
_pageNumber = pageNumber + 1;
DocumentPage page = _paginator.GetPage(pageNumber);
ContainerVisual printedPage = new ContainerVisual();
ContainerVisual pageContainer = new ContainerVisual();
pageContainer.Children.Add(page.Visual);
pageContainer.Transform = new TranslateTransform(_margin.Left, _margin.Top);
printedPage.Children.Add(pageContainer);
AddHeader(printedPage);
AddFooter(printedPage);
return(new DocumentPage(printedPage, _pageSize, _pageBox, _contentBox));
}
public PrintPaginatorWrapper(DocumentPaginator paginator, Margins margin, double borderThickness, System.Windows.Media.Brush borderBrush, double headerSize, double footerSize) : this()
{
//One way to provide a few options. Set them all here.
_headerSize = headerSize;
_footerSize = footerSize;
_thickness = borderThickness;
_borderBrush = borderBrush;
PPageSize = paginator.PageSize;
_margin = margin;
_paginator = paginator;
DocumentPage t = _paginator.GetPage(1);
_paginator.PageSize = new System.Windows.Size(PPageSize.Width - (margin.Left + margin.Right), PPageSize.Height - (margin.Top + margin.Bottom));
}
