static void Main(string[] args)
{
PDFSize paper = new PDFSize(842, 595); //A4 paper size 210mm×297mm
// Create a document object and initialize it
PDFDocument doc = new PDFDocument();
doc.VersionMinor = 4;
// Create a catalog
Catalog cat = new Catalog();
// Create an indirect obejct pointing to the catalog
// Look how we get the id number from the document
IndirectObject ioCat = new IndirectObject(cat, doc.NextObjectID());
doc.IndirectObjects.Add(ioCat);
doc.Trailer.Root = new Reference(ioCat);
// Create pages object
Pages pages = new Pages();
IndirectObject ioPages = new IndirectObject(pages, doc.NextObjectID());
doc.IndirectObjects.Add(ioPages);
Reference refPages = new Reference(ioPages);
// Create a reference to the Pages object and add it to teh catalog object
cat.Pages = refPages;
Page page = new Page();
// define the dimention of the pages
page.MediaBox = new PDFArray()
{
new Number(0), new Number(0), new Number(paper.Width), new Number(paper.Height)
};
// Set the page objects parent
page.Parent = refPages;
// Create indirect object for pages
IndirectObject ioPage = new IndirectObject(page, doc.NextObjectID());
doc.IndirectObjects.Add(ioPage);
pages.AddPageRef(new Reference(ioPage));
// Create resources object for each pages
page.Resources = new Resources();
PDFFontDescriptor fontDescriptor = new PDFFontDescriptor();
fontDescriptor.FontBBox = new PDFArray()
{
new Number(0), new Number(0), new Number(0), new Number(0)
};
IndirectObject _fontDescriptorID = new IndirectObject(fontDescriptor, doc.NextObjectID());
doc.IndirectObjects.Add(_fontDescriptorID);
Reference fontDescriptorRef = new Reference(_fontDescriptorID);
PDFFont descendantFont = new PDFFont();
IndirectObject descendantFontID = new IndirectObject(descendantFont, doc.NextObjectID());
doc.IndirectObjects.Add(descendantFontID);
descendantFont.SubType = new Name("CIDFontType2");
descendantFont.BaseFont = new Name("SimSun");
descendantFont.FontDescriptor = fontDescriptorRef;
descendantFont.CIDSystemInfo = new PDFDictionary();
descendantFont.CIDSystemInfo.Add(new Name("Registry"), "(Adobe)");
descendantFont.CIDSystemInfo.Add(new Name("Ordering"), "(GB1)");
// Create font andf initialize it
PDFFont ascii = new PDFFont();
ascii.Name = new Name("F2");
ascii.Encoding = new Name("WinAnsiEncoding");
ascii.BaseFont = new Name("Helvetica");
ascii.SubType = new Name("TrueType");
IndirectObject arialID = new IndirectObject(ascii, doc.NextObjectID());
doc.IndirectObjects.Add(arialID);
// Create font and initialize it
PDFFont gb = new PDFFont();
gb.SubType = new Name("Type0");
gb.Name = new Name("F1");
gb.BaseFont = new Name("SimSun");
gb.Encoding = new Name("UniGB-UCS2-H");
gb.FontDescriptor = fontDescriptorRef;
gb.DescendantFonts = new PDFArray()
{
new Reference(descendantFontID)
};
IndirectObject fontID = new IndirectObject(gb, doc.NextObjectID());
doc.IndirectObjects.Add(fontID);
// add the font dictionary to the resources
PDFDictionary dicFont = new PDFDictionary();
dicFont.CarriageReturn = string.Empty;
dicFont.Add(ascii.Name, new Reference(arialID));
dicFont.Add(gb.Name, new Reference(fontID));
page.Resources.Add(new Name("Font"), dicFont);
// Create the procedure set
ProcSet procset = new ProcSet();
procset.Add(new Name("PDF"));
procset.Add(new Name("Text"));
IndirectObject ioProcset = new IndirectObject(procset, doc.NextObjectID());
doc.IndirectObjects.Add(ioProcset);
// add the proc set to the resources
page.Resources.Add(new Name("ProcSet"), new Reference(ioProcset));
PDFStream content = new PDFStream();
IndirectObject ioStream = new IndirectObject(content, doc.NextObjectID());
doc.IndirectObjects.Add(ioStream);
page.Content = new Reference(ioStream);
Info info = new Info();
IndirectObject ioInfo = new IndirectObject(info, doc.NextObjectID());
doc.IndirectObjects.Add(ioInfo);
doc.Trailer.Info = new Reference(ioInfo);
//draw
double unit = 2.834;
PDFGraphics g = new PDFGraphics();
g.state(1, 0, 0, 1, 0, 0);
g.SetLineWidth(1f);
g.SetRGBFillColor(Color.SteelBlue);
g.SetRGBStrokeColor(Color.Black);
g.DrawRectangle(20 * unit, paper.Height - 20 * unit, 10 * unit, 10 * unit);
g.FillAndStrokePath();
content.Write(g);
//Set font and write
// create the text object to write to
TextObject text = new TextObject();
text.SetFont(gb, 8);
text.SetRGBFillColor(Color.Blue);
text.SetRGBStrokeColor(Color.Blue);
text.Move(10 * unit, paper.Height - 5 * unit);
text.SetRGBFillColor(Color.Black);
text.SetRGBStrokeColor(Color.Black);
text.SetFont(gb, 9);
Func <string, string> str2code = (string s) =>
{
StringBuilder o = new StringBuilder("<");
foreach (var c in s)
{
o.Append(Convert.ToString(c, 16).ToUpper().PadLeft(4, '0'));
}
o.Append('>');
return(o.ToString());
};
text.WriteBinary(str2code("绘制一个大小边长1厘米的正方形"));
content.Write(text);
doc.Save("demo.pdf");
}
