/**
* Constructs a new Graphics State object with the default values.
*/
public GraphicsState(){
ctm = new Matrix();
characterSpacing = 0;
wordSpacing = 0;
horizontalScaling = 1.0f;
leading = 0;
font = null;
fontSize = 0;
renderMode = 0;
rise = 0;
knockout = true;
}
virtual public void TestWidths() {
PdfReader pdfReader = TestResourceUtils.GetResourceAsPdfReader(TEST_RESOURCES_PATH, "fontwithwidthissue.pdf");
try {
PdfDictionary fontsDic = pdfReader.GetPageN(1).GetAsDict(PdfName.RESOURCES).GetAsDict(PdfName.FONT);
PRIndirectReference fontDicIndirect = (PRIndirectReference) fontsDic.Get(new PdfName("F1"));
CMapAwareDocumentFont f = new CMapAwareDocumentFont(fontDicIndirect);
Assert.IsTrue(f.GetWidth('h') != 0, "Width should not be 0");
}
finally {
pdfReader.Close();
}
}
/**
* Copy constructor.
* @param source another GraphicsState object
*/
public GraphicsState(GraphicsState source){
// note: all of the following are immutable, with the possible exception of font
// so it is safe to copy them as-is
ctm = source.ctm;
characterSpacing = source.characterSpacing;
wordSpacing = source.wordSpacing;
horizontalScaling = source.horizontalScaling;
leading = source.leading;
font = source.font;
fontSize = source.fontSize;
renderMode = source.renderMode;
rise = source.rise;
knockout = source.knockout;
colorSpaceFill = source.colorSpaceFill;
colorSpaceStroke = source.colorSpaceStroke;
fillColor = source.fillColor;
strokeColor = source.strokeColor;
}
/**
* Constructs a new Graphics State object with the default values.
*/
public GraphicsState(){
ctm = new Matrix();
characterSpacing = 0;
wordSpacing = 0;
horizontalScaling = 1.0f;
leading = 0;
font = null;
fontSize = 0;
renderMode = 0;
rise = 0;
knockout = true;
colorSpaceFill = null;
colorSpaceStroke = null;
fillColor = null;
strokeColor = null;
}
/**
* Gets the font pointed to by the indirect reference. The font may have been cached.
* @param ind the indirect reference ponting to the font
* @return the font
* @since 5.0.6
*/
private CMapAwareDocumentFont GetFont(PRIndirectReference ind) {
CMapAwareDocumentFont font;
cachedFonts.TryGetValue(ind.Number, out font);
if (font == null) {
font = new CMapAwareDocumentFont(ind);
cachedFonts[ind.Number] = font;
}
return font;
}
public void Invoke(PdfContentStreamProcessor processor, PdfLiteral oper, List<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 = new CMapAwareDocumentFont((PRIndirectReference)fontParameter[0]);
float size = fontParameter.GetAsNumber(1).FloatValue;
processor.Gs().font = font;
processor.Gs().fontSize = size;
}
}
public void Invoke(PdfContentStreamProcessor processor, PdfLiteral oper, List<PdfObject> operands) {
PdfName fontResourceName = (PdfName)operands[0];
float size = ((PdfNumber)operands[1]).FloatValue;
PdfDictionary fontsDictionary = processor.resources.GetAsDict(PdfName.FONT);
CMapAwareDocumentFont font = new CMapAwareDocumentFont((PRIndirectReference)fontsDictionary.Get(fontResourceName));
processor.Gs().font = font;
processor.Gs().fontSize = size;
}
