public void Execute(PsContext context, IList <PdfObject> args)
{
if (args.Count < 1)
{
throw new ArgumentOutOfRangeException(nameof(args));
}
if (!(args[0] is PdfArray arr))
{
throw new ArgumentException("PsShowTextArray. Argument must be an array");
}
foreach (var el in arr)
{
switch (el)
{
case PdfHexString hexString:
var str = context.Decode(hexString.Value);
context.DisplayString(str);
break;
case IPdfNumber pdfNumber:
var num = pdfNumber.NumberValue;
context.ApplyTextAdjust(num);
break;
default:
throw new ArgumentException($"PsShowTextArray. Invalid element type {el.GetType()}");
}
}
}
public void Execute(PsContext context, IList <PdfObject> args)
{
var fontName = args[0] as PdfName;
var fontSizeArg = args[1];
Double fontSize = 1;
if (fontSizeArg is IPdfNumber fsNumber)
{
fontSize = fsNumber.NumberValue;
}
var fontsArg = context.Resources.Get <PdfObject>("Font");
if (fontsArg is PdfDictionary fontArgDict)
{
var fontRes = fontArgDict.Get <PdfName>(fontName.Name);
var font = context.File.GetObject(fontRes) as PdfFont;
font.Init();
context.SetFont(font, fontSize);
}
else
{
throw new ArgumentOutOfRangeException("PsSetTextFont. fontArgs");
}
}
public void Execute(PsContext context, IList <PdfObject> args)
{
if (args[0] is IPdfNumber pdfNum)
{
context.GraphicState.SetWordSpacing(pdfNum.NumberValue);
}
}
public void Execute(PsContext context, IList <PdfObject> args)
{
PdfName resName = args[0] as PdfName;
var gsState = context.Resources.ExtGState();
PdfName res = gsState.Get <PdfName>(resName.Name);
var resObj = context.File.GetObject(res);
}
public void ParseContent()
{
IList <PdfObject> args = new List <PdfObject>();
var context = new PsContext(_file, _page);
while (_lexer.NextToken())
{
switch (_lexer.Token)
{
case Token.Ider:
ExecuteCommand(context, _lexer.StringValue, args);
args.Clear();
break;
case Token.StartArray:
var arr = _lexer.ReadArray(null);
args.Add(arr);
break;
default:
args.Add(_lexer.PlainPdfObject());
break;
}
}
}
public void Execute(PsContext context, IList <PdfObject> args)
{
if (args[0] is PdfHexString hexString)
{
var str = context.Decode(hexString.Value);
context.DisplayString(str);
}
}
public void Execute(PsContext context, IList <PdfObject> args)
{
Double x = (args[0] as IPdfNumber).NumberValue;
Double y = (args[1] as IPdfNumber).NumberValue;
Double w = (args[2] as IPdfNumber).NumberValue;
Double h = (args[3] as IPdfNumber).NumberValue;
context.DrawRectangle(new Rectangle(x, y, w, h));
}
public void Execute(PsContext context, IList <PdfObject> args)
{
Double tx = (args[0] as IPdfNumber).NumberValue;
Double ty = (args[1] as IPdfNumber).NumberValue;
var translate = new Matrix(tx, ty);
var newMx = translate * context.TextLineMatrix;
context.SetTextMatrix(newMx);
}
public void Execute(PsContext context, IList <PdfObject> args)
{
Double[] mx = new Double[6];
for (int i = 0; i < 6; i++)
{
if (args[i] is IPdfNumber pdfNumber)
{
mx[i] = pdfNumber.NumberValue;
}
}
context.SetTextMatrix(new Matrix(mx));
}
void ExecuteCommand(PsContext context, String command, IList <PdfObject> args)
{
if (_commands.TryGetValue(command, out IPsCommand cmd))
{
cmd.Execute(context, args);
}
else
{
/* g - set grey level (nonstroking)
* cs = set color space (nonstroking)
* scn = set color (nonstroking ICCBased)
*/
int z = 55;
}
}
public void Execute(PsContext context, IList <PdfObject> args)
{
context.SetTextMatrix(new Matrix());
context.BeginText();
}
public void Execute(PsContext context, IList <PdfObject> args)
{
context.SetTextMatrix(null);
context.EndText();
}
public void Execute(PsContext context, IList <PdfObject> args)
{
context.RestoreState();
}