/// <summary>
/// Prepares this instance for rendering.
/// </summary>
public void PrepareDocument()
{
PdfFlattenVisitor visitor = new PdfFlattenVisitor();
visitor.Visit(_document);
_previousListNumbers = new Dictionary <ListType, int>(3);
_previousListNumbers[ListType.NumberList1] = 0;
_previousListNumbers[ListType.NumberList2] = 0;
_previousListNumbers[ListType.NumberList3] = 0;
_formattedDocument = new FormattedDocument(_document, this);
//REM: Size should not be necessary in this case.
#if true
XGraphics gfx = XGraphics.CreateMeasureContext(new XSize(2000, 2000), XGraphicsUnit.Point, XPageDirection.Downwards);
#else
#if GDI
XGraphics gfx = XGraphics.FromGraphics(Graphics.FromHwnd(IntPtr.Zero), new XSize(2000, 2000));
#endif
#if WPF
XGraphics gfx = XGraphics.FromDrawingContext(null, new XSize(2000, 2000), XGraphicsUnit.Point);
#endif
#endif
// _previousListNumber = int.MinValue;
//gfx.MUH = _unicode;
//gfx.MFEH = _fontEmbedding;
_previousListInfo = null;
_formattedDocument.Format(gfx);
}
/// <summary>
/// Prepares new bitmap image for drawing.
/// </summary>
public void BeginImage()
{
#if GDI
int factor = 2;
int width = (int)(WidthInPoint * factor);
int height = (int)(HeightInPoint * factor);
this.image = new Bitmap(width, height);
this.image.SetResolution(72 * factor, 72 * factor);
this.gdiGfx = Graphics.FromImage(this.image);
this.gdiGfx.SmoothingMode = SmoothingMode.HighQuality;
// Draw a bounding box
Rectangle rect = new Rectangle(0, 0, width - 1, height - 1);
this.gdiGfx.FillRectangle(Brushes.WhiteSmoke, rect);
//this.gdiGfx.DrawRectangle(new Pen(Brushes.LightGray, factor), rect);
this.gdiGfx.ScaleTransform(factor, factor);
this.imgGfx = XGraphics.FromGraphics(this.gdiGfx, new XSize(WidthInPoint, HeightInPoint), XGraphicsUnit.Point);
#endif
#if WPF
int factor = 4;
int width = (int)(WidthInPoint * factor);
int height = (int)(HeightInPoint * factor);
this.image = new RenderTargetBitmap(width, height, 72 * factor, 72 * factor, PixelFormats.Default);
this.dv = new DrawingVisual();
this.dc = this.dv.RenderOpen();
// Draw a bounding box
//Rect rect = new Rect(0, 0, width - 1, height - 1);
Rect rect = new Rect(0, 0, WidthInPoint * 4 / 3 - 1, HeightInPoint * 4 / 3 - 1);
//this.dc.DrawRectangle(Brushes.WhiteSmoke, new Pen(Brushes.LightGray, 1), rect);
this.dc.DrawRectangle(Brushes.WhiteSmoke, null, rect);
//double d = 10;
//Pen pen = new Pen(Brushes.Red, 5);
//this.dc.DrawLine(pen, rect.TopLeft, rect.TopLeft + new Vector(d, d));
//this.dc.DrawLine(pen, rect.TopRight, rect.TopRight + new Vector(-d, d));
//this.dc.DrawLine(pen, rect.BottomLeft, rect.BottomLeft + new Vector(d, -d));
//this.dc.DrawLine(pen, rect.BottomRight, rect.BottomRight + new Vector(-d, -d));
//this.dc.PushTransform(new ScaleTransform(factor, factor));
this.imgGfx = XGraphics.FromDrawingContext(this.dc, new XSize(WidthInPoint, HeightInPoint), XGraphicsUnit.Point);
#endif
}
protected override void OnRender(DrawingContext drawingContext)
{
base.OnRender(drawingContext);
//drawingContext.DrawLine(new Pen(Brushes.Green, 10), new Point(10, 10), new Point(100, 150));
drawingContext.PushTransform(new ScaleTransform(0.75, 0.75));
XGraphics gfx = XGraphics.FromDrawingContext(drawingContext, new XSize(100, 100), XGraphicsUnit.Millimeter);
if (RenderEvent != null)
{
try
{
RenderEvent(gfx);
}
catch
{
RenderEvent = null;
}
}
else
{
Draw(gfx);
}
}
/// <summary>
/// Called when the Ddl property has changed.
/// </summary>
void DdlUpdated()
{
if (_ddl != null)
{
_document = DdlReader.DocumentFromString(_ddl);
_renderer = new DocumentRenderer(_document);
//this.renderer.PrivateFonts = this.privateFonts;
_renderer.PrepareDocument();
//IDocumentPaginatorSource source = this.documentViewer.Document;
//IDocumentPaginatorSource source = this.documentViewer.Document;
int pageCount = _renderer.FormattedDocument.PageCount;
if (pageCount == 0)
{
return;
}
// HACK: hardcoded A4 size
//double pageWidth = XUnit.FromMillimeter(210).Presentation;
//double pageHeight = XUnit.FromMillimeter(297).Presentation;
//Size a4 = new Size(pageWidth, pageHeight);
XUnit pageWidth, pageHeight;
Size size96 = GetSizeOfPage(1, out pageWidth, out pageHeight);
FixedDocument fixedDocument = new FixedDocument();
fixedDocument.DocumentPaginator.PageSize = size96;
for (int pageNumber = 1; pageNumber <= pageCount; pageNumber++)
{
try
{
size96 = GetSizeOfPage(1, out pageWidth, out pageHeight);
DrawingVisual dv = new DrawingVisual();
DrawingContext dc = dv.RenderOpen();
//XGraphics gfx = XGraphics.FromDrawingContext(dc, new XSize(XUnit.FromMillimeter(210).Point, XUnit.FromMillimeter(297).Point), XGraphicsUnit.Point);
XGraphics gfx = XGraphics.FromDrawingContext(dc, new XSize(pageWidth.Point, pageHeight.Presentation), XGraphicsUnit.Point);
_renderer.RenderPage(gfx, pageNumber, PageRenderOptions.All);
dc.Close();
// Create page content
PageContent pageContent = new PageContent();
pageContent.Width = size96.Width;
pageContent.Height = size96.Height;
FixedPage fixedPage = new FixedPage();
fixedPage.Background = new SolidColorBrush(System.Windows.Media.Color.FromRgb(0xFE, 0xFE, 0xFE));
UIElement visual = new DrawingVisualPresenter(dv);
FixedPage.SetLeft(visual, 0);
FixedPage.SetTop(visual, 0);
fixedPage.Width = size96.Width;
fixedPage.Height = size96.Height;
fixedPage.Children.Add(visual);
fixedPage.Measure(size96);
fixedPage.Arrange(new Rect(new Point(), size96));
fixedPage.UpdateLayout();
((IAddChild)pageContent).AddChild(fixedPage);
fixedDocument.Pages.Add(pageContent);
}
catch (Exception)
{
// eat exception
}
viewer.Document = fixedDocument;
}
}
else
{
viewer.Document = null;
}
}
internal void OnRender()
{
if (RenderEvent != null)
{
//IDocumentPaginatorSource source = this.documentViewer.Document;
DrawingVisual dv = new DrawingVisual();
DrawingContext dc = dv.RenderOpen();
XGraphics gfx = XGraphics.FromDrawingContext(dc,
new XSize(XUnit.FromMillimeter(210).Point, XUnit.FromMillimeter(297).Point), XGraphicsUnit.Point);
try
{
RenderEvent(gfx);
}
catch { }
dc.Close();
//DrawingGroup dg = dv.Drawing;
// Create page content
PageContent pageContent = new PageContent();
FixedPage fixedPage = new FixedPage();
fixedPage.Background = Brushes.GhostWhite;
//UIElement visual = dv; // CreateSecondVisual(false);
UIElement visual = new DrawingVisualPresenter(dv);
FixedPage.SetLeft(visual, 0);
FixedPage.SetTop(visual, 0);
double pageWidth = XUnit.FromMillimeter(210).Presentation;
double pageHeight = XUnit.FromMillimeter(297).Presentation;
fixedPage.Width = pageWidth;
fixedPage.Height = pageHeight;
fixedPage.Children.Add((UIElement)visual);
Size size = new Size(pageWidth, pageHeight);
fixedPage.Measure(size);
fixedPage.Arrange(new Rect(new Point(), size));
fixedPage.UpdateLayout();
((IAddChild)pageContent).AddChild(fixedPage);
FixedDocument fixedDocument = new FixedDocument();
fixedDocument.DocumentPaginator.PageSize = size;
fixedDocument.Pages.Add(pageContent);
this.documentViewer.Document = fixedDocument;
string savedButton = System.Windows.Markup.XamlWriter.Save(fixedDocument);
}
else
{
this.documentViewer.Document = null;
}
//base.OnRender(drawingContext);
////drawingContext.DrawLine(new Pen(Brushes.Green, 10), new Point(10, 10), new Point(100, 150));
//drawingContext.PushTransform(new ScaleTransform(0.75, 0.75));
//XGraphics gfx = XGraphics.FromDrawingContext(drawingContext, new XSize(100, 100), XGraphicsUnit.Millimeter);
//if (RenderEvent != null)
//{
// try
// {
// RenderEvent(gfx);
// }
// catch
// {
// RenderEvent = null;
// }
//}
//else
// Draw(gfx);
}