public override void RenderPage(XGraphics gfx)
{
#if true_
// Create a new PDF document
//PdfDocument document = new PdfDocument();
// Create a font
XFont font = new XFont("Verdana", 16);
// Create a new page
//PdfPage page = document.AddPage();
//XGraphics gfx = XGraphics.FromPdfPage(page);
//gfx.DrawString("XPdfForm Sample", font, XBrushes.DarkGray, 15, 25, XStringFormat.Default);
// Step 1: Create an XForm and draw some graphics on it
// Create an empty XForm object with the specified width and height
// A form is bound to its target document when it is created. The reason is that the form can
// share fonts and other objects with its target document.
XForm form = new XForm(gfx, XUnit.FromMillimeter(70), XUnit.FromMillimeter(55));
// Create an XGraphics object for drawing the contents of the form.
XGraphics formGfx = XGraphics.FromForm(form);
// Draw a large transparent rectangle to visualize the area the form occupies
XColor back = XColors.Orange;
back.A = 0.2;
XSolidBrush brush = new XSolidBrush(back);
formGfx.DrawRectangle(brush, -10000, -10000, 20000, 20000);
// On a form you can draw...
//// ... text
//formGfx.DrawString("Text, Graphics, Images, and Forms", new XFont("Verdana", 10, XFontStyle.Regular), XBrushes.Navy, 3, 0, XStringFormat.TopLeft);
//XPen pen = XPens.LightBlue.Clone();
//pen.Width = 2.5;
// ... graphics like Bézier curves
//formGfx.DrawBeziers(pen, XPoint.ParsePoints("30,120 80,20, 100,140 175,33.3"));
//// ... raster images like GIF files
//XGraphicsState state = formGfx.Save();
//formGfx.RotateAtTransform(17, new XPoint(30, 30));
//formGfx.DrawImage(XImage.FromFile("../../../../XGraphicsLab/images/Test.gif"), 20, 20);
//formGfx.Restore(state);
//// ... and forms like XPdfForm objects
//state = formGfx.Save();
//formGfx.RotateAtTransform(-8, new XPoint(165, 115));
//formGfx.DrawImage(XPdfForm.FromFile("../../../../PDFs/SomeLayout.pdf"), new XRect(140, 80, 50, 50 * Math.Sqrt(2)));
//formGfx.Restore(state);
// When you finished drawing on the form, dispose the XGraphic object.
formGfx.Dispose();
// Step 2: Draw the XPdfForm on your PDF page like an image
// Draw the form on the page of the document in its original size
gfx.DrawImage(form, 20, 50);
#if true_
// Draw it stretched
gfx.DrawImage(form, 300, 100, 250, 40);
// Draw and rotate it
int d = 25;
for (int idx = 0; idx < 360; idx += d)
{
gfx.DrawImage(form, 300, 480, 200, 200);
gfx.RotateAtTransform(d, new XPoint(300, 480));
}
#endif
//// Save the document...
//string filename = "XForms.pdf";
//document.Save(filename);
//// ...and start a viewer.
//Process.Start(filename);
#else
//base.RenderPage(gfx);
int cx = 300;
int cy = 240;
XForm form;
//if (gfx.PdfPage == null)
form = new XForm(gfx, cx, cy);
//else
// form = new XForm(gfx.PdfPage.Owner, cx, cy);
double dx = gfx.PageSize.Width;
double dy = gfx.PageSize.Height;
XGraphics formgfx = XGraphics.FromForm(form);
XSolidBrush brush = new XSolidBrush(XColor.FromArgb(128, 0, 255, 255));
formgfx.DrawRectangle(brush, -1000, -1000, 2000, 2000);
formgfx.DrawLine(XPens.Red, 0, 0, cx, cy);
formgfx.DrawLine(XPens.Red, cx, 0, 0, cy);
XFont font = new XFont("Times", 16, XFontStyle.BoldItalic);
formgfx.DrawString("Text", font, XBrushes.DarkOrange, 0, 0, XStringFormats.TopLeft);
formgfx.DrawString("Text", font, XBrushes.DarkOrange, new XRect(0, 0, cx, cy), XStringFormats.Center);
// Required to finish drawing the form. Both cases are correct.
#if true
formgfx.Dispose();
#else
form.DrawingFinished();
#endif
gfx.DrawImage(form, 50, 50);
#if true_
gfx.TranslateTransform(dx / 2, dy / 2);
gfx.RotateTransform(-25);
gfx.TranslateTransform(-dx / 2, -dy / 2);
gfx.DrawImage(form, (dx - form.Width) / 2, (dy - form.Height) / 2, form.Width, form.Height);
#endif
#endif
}
/// <summary>
/// Creates the normal appearance form X object for the annotation that represents
/// this acro form text field.
/// </summary>
void RenderAppearance()
{
PdfRectangle rect = Elements.GetRectangle(PdfAnnotation.Keys.Rect);
XForm form = new XForm(this.document, rect.Size);
XGraphics gfx = XGraphics.FromForm(form);
if (backColor != XColor.Empty)
gfx.DrawRectangle(new XSolidBrush(BackColor), rect.ToXRect() - rect.Location);
string text = Text;
if (text.Length > 0)
gfx.DrawString(Text, Font, new XSolidBrush(ForeColor),
rect.ToXRect() - rect.Location + new XPoint(2, 0), XStringFormats.TopLeft);
form.DrawingFinished();
// Get existing or create new appearance dictionary
PdfDictionary ap = Elements[PdfAnnotation.Keys.AP] as PdfDictionary;
if (ap == null)
{
ap = new PdfDictionary(this.document);
Elements[PdfAnnotation.Keys.AP] = ap;
}
// Set XRef to normal state
ap.Elements["/N"] = form.PdfForm.Reference;
}
/// <summary>
/// Creates the normal appearance form X object for the annotation that represents
/// this acro form text field.
/// </summary>
void RenderAppearance()
{
#if true_
PdfFormXObject xobj = new PdfFormXObject(Owner);
Owner.Internals.AddObject(xobj);
xobj.Elements["/BBox"] = new PdfLiteral("[0 0 122.653 12.707]");
xobj.Elements["/FormType"] = new PdfLiteral("1");
xobj.Elements["/Matrix"] = new PdfLiteral("[1 0 0 1 0 0]");
PdfDictionary res = new PdfDictionary(Owner);
xobj.Elements["/Resources"] = res;
res.Elements["/Font"] = new PdfLiteral("<< /Helv 28 0 R >> /ProcSet [/PDF /Text]");
xobj.Elements["/Subtype"] = new PdfLiteral("/Form");
xobj.Elements["/Type"] = new PdfLiteral("/XObject");
string s =
"/Tx BMC " + '\n' +
"q" + '\n' +
"1 1 120.653 10.707 re" + '\n' +
"W" + '\n' +
"n" + '\n' +
"BT" + '\n' +
"/Helv 7.93 Tf" + '\n' +
"0 g" + '\n' +
"2 3.412 Td" + '\n' +
"(Hello ) Tj" + '\n' +
"20.256 0 Td" + '\n' +
"(XXX) Tj" + '\n' +
"ET" + '\n' +
"Q" + '\n' +
"";//"EMC";
int length = s.Length;
byte[] stream = new byte[length];
for (int idx = 0; idx < length; idx++)
stream[idx] = (byte)s[idx];
xobj.CreateStream(stream);
// Get existing or create new appearance dictionary
PdfDictionary ap = Elements[PdfAnnotation.Keys.AP] as PdfDictionary;
if (ap == null)
{
ap = new PdfDictionary(_document);
Elements[PdfAnnotation.Keys.AP] = ap;
}
// Set XRef to normal state
ap.Elements["/N"] = xobj.Reference;
//// HACK
//string m =
//"<?xpacket begin=\"\" id=\"W5M0MpCehiHzreSzNTczkc9d\"?>" + '\n' +
//"<x:xmpmeta xmlns:x=\"adobe:ns:meta/\" x:xmptk=\"Adobe XMP Core 4.0-c321 44.398116, Tue Aug 04 2009 14:24:39\"> " + '\n' +
//" <rdf:RDF xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\"> " + '\n' +
//" <rdf:Description rdf:about=\"\" " + '\n' +
//" xmlns:pdf=\"http://ns.adobe.com/pdf/1.3/\"> " + '\n' +
//" <pdf:Producer>PDFsharp 1.40.2150-g (www.pdfsharp.com) (Original: Powered By Crystal)</pdf:Producer> " + '\n' +
//" </rdf:Description> " + '\n' +
//" <rdf:Description rdf:about=\"\" " + '\n' +
//" xmlns:xap=\"http://ns.adobe.com/xap/1.0/\"> " + '\n' +
//" <xap:ModifyDate>2011-07-11T23:15:09+02:00</xap:ModifyDate> " + '\n' +
//" <xap:CreateDate>2011-05-19T16:26:51+03:00</xap:CreateDate> " + '\n' +
//" <xap:MetadataDate>2011-07-11T23:15:09+02:00</xap:MetadataDate> " + '\n' +
//" <xap:CreatorTool>Crystal Reports</xap:CreatorTool> " + '\n' +
//" </rdf:Description> " + '\n' +
//" <rdf:Description rdf:about=\"\" " + '\n' +
//" xmlns:dc=\"http://purl.org/dc/elements/1.1/\"> " + '\n' +
//" <dc:format>application/pdf</dc:format> " + '\n' +
//" </rdf:Description> " + '\n' +
//" <rdf:Description rdf:about=\"\" " + '\n' +
//" xmlns:xapMM=\"http://ns.adobe.com/xap/1.0/mm/\"> " + '\n' +
//" <xapMM:DocumentID>uuid:68249d89-baed-4384-9a2d-fbf8ace75c45</xapMM:DocumentID> " + '\n' +
//" <xapMM:InstanceID>uuid:3d5f2f46-c140-416f-baf2-7f9c970cef1d</xapMM:InstanceID> " + '\n' +
//" </rdf:Description> " + '\n' +
//" </rdf:RDF> " + '\n' +
//"</x:xmpmeta> " + '\n' +
//" " + '\n' +
//" " + '\n' +
//" " + '\n' +
//" " + '\n' +
//" " + '\n' +
//" " + '\n' +
//" " + '\n' +
//" " + '\n' +
//" " + '\n' +
//" " + '\n' +
//"<?xpacket end=\"w\"?>";
//PdfDictionary mdict = (PdfDictionary)_document.Internals.GetObject(new PdfObjectID(32));
//length = m.Length;
//stream = new byte[length];
//for (int idx = 0; idx < length; idx++)
// stream[idx] = (byte)m[idx];
//mdict.Stream.Value = stream;
#else
PdfRectangle rect = Elements.GetRectangle(PdfAnnotation.Keys.Rect);
XForm form = new XForm(_document, rect.Size);
XGraphics gfx = XGraphics.FromForm(form);
if (_backColor != XColor.Empty)
gfx.DrawRectangle(new XSolidBrush(BackColor), rect.ToXRect() - rect.Location);
string text = Text;
if (text.Length > 0)
gfx.DrawString(Text, Font, new XSolidBrush(ForeColor),
rect.ToXRect() - rect.Location + new XPoint(2, 0), XStringFormats.TopLeft);
form.DrawingFinished();
form.PdfForm.Elements.Add("/FormType", new PdfLiteral("1"));
// Get existing or create new appearance dictionary.
PdfDictionary ap = Elements[PdfAnnotation.Keys.AP] as PdfDictionary;
if (ap == null)
{
ap = new PdfDictionary(_document);
Elements[PdfAnnotation.Keys.AP] = ap;
}
// Set XRef to normal state
ap.Elements["/N"] = form.PdfForm.Reference;
PdfFormXObject xobj = form.PdfForm;
string s = xobj.Stream.ToString();
// Thank you Adobe: Without putting the content in 'EMC brackets'
// the text is not rendered by PDF Reader 9 or higher.
s = "/Tx BMC\n" + s + "\nEMC";
xobj.Stream.Value = new RawEncoding().GetBytes(s);
#endif
}
