public void Invoke(PdfContentStreamProcessor processor, PdfLiteral oper, List <iTextSharp.text.pdf.PdfObject> operands)
{
PdfName dictionaryName = (PdfName)operands[0];
PdfDictionary extGState = processor.resources.GetAsDict(PdfName.EXTGSTATE);
if (extGState == null)
{
throw new ArgumentException(MessageLocalization.GetComposedMessage("resources.do.not.contain.extgstate.entry.unable.to.process.oper.1", oper));
}
PdfDictionary gsDic = extGState.GetAsDict(dictionaryName);
if (gsDic == null)
{
throw new ArgumentException(MessageLocalization.GetComposedMessage("1.is.an.unknown.graphics.state.dictionary", dictionaryName));
}
// at this point, all we care about is the FONT entry in the GS dictionary
PdfArray fontParameter = gsDic.GetAsArray(PdfName.FONT);
if (fontParameter != null)
{
CMapAwareDocumentFont font = processor.GetFont((PRIndirectReference)fontParameter[0]);
float size = fontParameter.GetAsNumber(1).FloatValue;
processor.Gs().font = font;
processor.Gs().fontSize = size;
}
}
public void HandleXObject(PdfContentStreamProcessor processor, PdfStream stream, PdfIndirectReference refi)
{
PdfDictionary resources = stream.GetAsDict(PdfName.RESOURCES);
// we read the content bytes up here so if it fails we don't leave the graphics state stack corrupted
// this is probably not necessary (if we fail on this, probably the entire content stream processing
// operation should be rejected
byte[] contentBytes;
contentBytes = ContentByteUtils.GetContentBytesFromContentObject(stream);
PdfArray matrix = stream.GetAsArray(PdfName.MATRIX);
new PushGraphicsState().Invoke(processor, null, null);
if (matrix != null)
{
float a = matrix.GetAsNumber(0).FloatValue;
float b = matrix.GetAsNumber(1).FloatValue;
float c = matrix.GetAsNumber(2).FloatValue;
float d = matrix.GetAsNumber(3).FloatValue;
float e = matrix.GetAsNumber(4).FloatValue;
float f = matrix.GetAsNumber(5).FloatValue;
Matrix formMatrix = new Matrix(a, b, c, d, e, f);
processor.Gs().ctm = formMatrix.Multiply(processor.Gs().ctm);
}
processor.ProcessContent(contentBytes, resources);
new PopGraphicsState().Invoke(processor, null, null);
}
public void HandleXObject(PdfContentStreamProcessor processor, PdfStream xobjectStream, PdfIndirectReference refi)
{
PdfDictionary colorSpaceDic = processor.resources.GetAsDict(PdfName.COLORSPACE);
ImageRenderInfo renderInfo = ImageRenderInfo.CreateForXObject(processor.Gs().ctm, refi, colorSpaceDic);
processor.renderListener.RenderImage(renderInfo);
}
public void Invoke(PdfContentStreamProcessor processor, PdfLiteral oper, List <iTextSharp.text.pdf.PdfObject> operands)
{
List <iTextSharp.text.pdf.PdfObject> tdoperands = new List <iTextSharp.text.pdf.PdfObject>(2);
tdoperands.Insert(0, new PdfNumber(0));
tdoperands.Insert(1, new PdfNumber(-processor.Gs().leading));
moveStartNextLine.Invoke(processor, null, tdoperands);
}
public void Invoke(PdfContentStreamProcessor processor, PdfLiteral oper, List <iTextSharp.text.pdf.PdfObject> operands)
{
PdfName fontResourceName = (PdfName)operands[0];
float size = ((PdfNumber)operands[1]).FloatValue;
PdfDictionary fontsDictionary = processor.resources.GetAsDict(PdfName.FONT);
CMapAwareDocumentFont font;
iTextSharp.text.pdf.PdfObject fontObject = fontsDictionary.Get(fontResourceName);
if (fontObject is PdfDictionary)
{
font = processor.GetFont((PdfDictionary)fontObject);
}
else
{
font = processor.GetFont((PRIndirectReference)fontObject);
}
processor.Gs().font = font;
processor.Gs().fontSize = size;
}
public void Invoke(PdfContentStreamProcessor processor, PdfLiteral oper, List <iTextSharp.text.pdf.PdfObject> operands)
{
PdfNumber wordSpace = (PdfNumber)operands[0];
processor.Gs().wordSpacing = wordSpace.FloatValue;
}
public void Invoke(PdfContentStreamProcessor processor, PdfLiteral oper, List <iTextSharp.text.pdf.PdfObject> operands)
{
PdfNumber scale = (PdfNumber)operands[0];
processor.Gs().horizontalScaling = scale.FloatValue / 100f;
}
public void Invoke(PdfContentStreamProcessor processor, PdfLiteral oper, List <iTextSharp.text.pdf.PdfObject> operands)
{
PdfNumber render = (PdfNumber)operands[0];
processor.Gs().renderMode = render.IntValue;
}