public XGraphicsPdfRenderer(PdfPage page, XGraphics gfx, XGraphicsPdfPageOptions options)
{
_page = page;
_colorMode = page._document.Options.ColorMode;
_options = options;
_gfx = gfx;
_content = new StringBuilder();
page.RenderContent._pdfRenderer = this;
_gfxState = new PdfGraphicsState(this);
}
public XGraphicsPdfRenderer(PdfPage page, XGraphics gfx, XGraphicsPdfPageOptions options)
{
this.page = page;
this.colorMode = page.document.Options.ColorMode;
this.options = options;
#if MIGRADOC
this.options = options & ~XGraphicsPdfPageOptions.PDFlibHack;
pdflibHack = (options & XGraphicsPdfPageOptions.PDFlibHack) != 0;
#endif
this.gfx = gfx;
this.content = new StringBuilder();
page.RenderContent.pdfRenderer = this;
this.gfxState = new PdfGraphicsState(this);
}
private void ExecuteApplyImage()
{
if (cbApplyBgImage.Checked)
{
LoadDocuments();
if (PdfDocuments != null && PdfDocuments.Any())
{
foreach (KeyValuePair <string, PdfDocument> item in PdfDocuments)
{
if (item.Value.PageCount > 0)
{
XGraphicsPdfPageOptions position = cbApplyFrontImage.Checked ? XGraphicsPdfPageOptions.Append : XGraphicsPdfPageOptions.Prepend;
PdfPage page = item.Value.Pages[0];
XGraphics gfx = XGraphics.FromPdfPage(page, position);
XImage image = XImage.FromFile(txtBgImage.Text);
gfx.DrawImage(image, 0, 0, page.Width.Point, page.Height.Point);
}
}
}
}
}
/// <summary>
/// Creates a new instance of the XGraphics class from a PdfSharp.Pdf.PdfPage object.
/// </summary>
public static XGraphics FromPdfPage(PdfPage page, XGraphicsPdfPageOptions options, XGraphicsUnit unit, XPageDirection pageDirection)
{
return new XGraphics(page, options, unit, pageDirection);
}
/// <summary>
/// Creates a new instance of the XGraphics class from a PdfSharp.Pdf.PdfPage object.
/// </summary>
public static XGraphics FromPdfPage(PdfPage page, XGraphicsPdfPageOptions options)
{
return new XGraphics(page, options, XGraphicsUnit.Point, XPageDirection.Downwards);
}
/// <summary>
/// Initializes a new instance of the XGraphics class for drawing on a PDF page.
/// </summary>
XGraphics(PdfPage page, XGraphicsPdfPageOptions options, XGraphicsUnit pageUnit, XPageDirection pageDirection)
{
if (page == null)
throw new ArgumentNullException("page");
if (page.Owner == null)
throw new ArgumentException("You cannot draw on a page that is not owned by a PdfDocument object.", "page");
if (page.RenderContent != null)
throw new InvalidOperationException("An XGraphics object already exists for this page and must be disposed before a new one can be created.");
if (page.Owner.IsReadOnly)
throw new InvalidOperationException("Cannot create XGraphics for a page of a document that cannot be modified. Use PdfDocumentOpenMode.Modify.");
this.gsStack = new GraphicsStateStack(this);
PdfContent content = null;
switch (options)
{
case XGraphicsPdfPageOptions.Replace:
page.Contents.Elements.Clear();
goto case XGraphicsPdfPageOptions.Append;
case XGraphicsPdfPageOptions.Prepend:
content = page.Contents.PrependContent();
break;
case XGraphicsPdfPageOptions.Append:
content = page.Contents.AppendContent();
break;
}
page.RenderContent = content;
#if GDI
// HACK: This does not work with MediumTrust
//this.gfx = Graphics.FromHwnd(IntPtr.Zero);
this.targetContext = XGraphicTargetContext.GDI;
Bitmap bm = new Bitmap(10, 10);
this.gfx = Graphics.FromImage(bm);
#endif
#if WPF && !SILVERLIGHT
this.dv = new DrawingVisual();
this.dc = this.dv.RenderOpen();
this.targetContext = XGraphicTargetContext.WPF;
#endif
#if SILVERLIGHT
this.dc = new DrawingContext(new Canvas());
this.targetContext = XGraphicTargetContext.WPF;
#endif
#if GDI && WPF
this.targetContext = PdfSharp.Internal.TargetContextHelper.TargetContext;
#endif
this.renderer = new PdfSharp.Drawing.Pdf.XGraphicsPdfRenderer(page, this, options);
this.pageSizePoints = new XSize(page.Width, page.Height);
switch (pageUnit)
{
case XGraphicsUnit.Point:
this.pageSize = new XSize(page.Width, page.Height);
break;
case XGraphicsUnit.Inch:
this.pageSize = new XSize(XUnit.FromPoint(page.Width).Inch, XUnit.FromPoint(page.Height).Inch);
break;
case XGraphicsUnit.Millimeter:
this.pageSize = new XSize(XUnit.FromPoint(page.Width).Millimeter, XUnit.FromPoint(page.Height).Millimeter);
break;
case XGraphicsUnit.Centimeter:
this.pageSize = new XSize(XUnit.FromPoint(page.Width).Centimeter, XUnit.FromPoint(page.Height).Centimeter);
break;
case XGraphicsUnit.Presentation:
this.pageSize = new XSize(XUnit.FromPoint(page.Width).Presentation, XUnit.FromPoint(page.Height).Presentation);
break;
default:
throw new NotImplementedException("unit");
}
this.pageUnit = pageUnit;
this.pageDirection = pageDirection;
Initialize();
}
/// <summary>
/// Initializes a new instance of the XGraphics class for drawing on a PDF page.
/// </summary>
XGraphics(PdfPage page, XGraphicsPdfPageOptions options, XGraphicsUnit pageUnit, XPageDirection pageDirection)
{
if (page == null)
throw new ArgumentNullException("page");
if (page.Owner == null)
throw new ArgumentException("You cannot draw on a page that is not owned by a PdfDocument object.", "page");
if (page.RenderContent != null)
throw new InvalidOperationException("An XGraphics object already exists for this page and must be disposed before a new one can be created.");
if (page.Owner.IsReadOnly)
throw new InvalidOperationException("Cannot create XGraphics for a page of a document that cannot be modiefied");
PdfContent content = null;
switch (options)
{
case XGraphicsPdfPageOptions.Replace:
page.Contents.Elements.Clear();
goto case XGraphicsPdfPageOptions.Append;
case XGraphicsPdfPageOptions.Prepend:
content = page.Contents.PrependContent();
break;
case XGraphicsPdfPageOptions.Append:
content = page.Contents.AppendContent();
break;
}
page.RenderContent = content;
this.gfx = Graphics.FromHwnd(IntPtr.Zero);
this.renderer = new PdfSharp.Drawing.Pdf.XGraphicsPdfRenderer(page, this, options);
this.pageSizePoints = new XSize(page.Width, page.Height);
switch (pageUnit)
{
case XGraphicsUnit.Point:
this.pageSize = new XSize(page.Width, page.Height);
break;
case XGraphicsUnit.Inch:
this.pageSize = new XSize(XUnit.FromPoint(page.Width).Inch, XUnit.FromPoint(page.Height).Inch);
break;
case XGraphicsUnit.Millimeter:
this.pageSize = new XSize(XUnit.FromPoint(page.Width).Millimeter, XUnit.FromPoint(page.Height).Millimeter);
break;
case XGraphicsUnit.Centimeter:
this.pageSize = new XSize(XUnit.FromPoint(page.Width).Centimeter, XUnit.FromPoint(page.Height).Centimeter);
break;
default:
throw new NotImplementedException("unit");
}
this.pageUnit = pageUnit;
this.pageDirection = pageDirection;
Initialize();
}
