public void Justify(Slot start, Font font, double width, JustFlags flags, Slot first, Slot last)
{
IntPtr firstPtr = first != null ? first.SlotPtr : IntPtr.Zero;
IntPtr lastPtr = last != null ? last.SlotPtr : IntPtr.Zero;
Graphite2Api.SegJustify(_segment, start.SlotPtr, font.FontPtr, width, flags, firstPtr, lastPtr);
}
public FeatureRef FindFref(Int32 featid)
{
IntPtr ptr = Graphite2Api.FaceFindFref(_face, featid);
if (ptr == IntPtr.Zero)
{
return(null);
}
return(new FeatureRef(ptr));
}
public FeatureRef Fref(UInt16 i)
{
IntPtr ptr = Graphite2Api.FaceFref(_face, i);
if (ptr == IntPtr.Zero)
{
return(null);
}
return(new FeatureRef(ptr));
}
public string ValueLabel(UInt16 settingsno, string langid, Encform utf)
{
UInt32 length;
ushort langId = (ushort)Graphite2Api.StrToTag(langid);
IntPtr labelPtr = Graphite2Api.FrefValueLabel(_featureRef, settingsno, ref langId, utf, out length);
string retLabel = ConvertGraphiteLabelToString(labelPtr, utf, length);
Graphite2Api.LabelDestroy(labelPtr);
return(retLabel);
}
public Featureval FeaturevalForLang(string lang)
{
IntPtr ptr = Graphite2Api.FaceFeaturevalForLang(_face, Graphite2Api.StrToTag(lang));
if (ptr == IntPtr.Zero)
{
return(null);
}
return(new Featureval(ptr));
}
public Segment MakeSeg(UInt32 script, Featureval feats, string str, Bidirtl dir)
{
IntPtr strPtr = Marshal.StringToCoTaskMemUni(str);
IntPtr error = new IntPtr(0);
int numCodePoints = Graphite2Api.CountUnicodeCharacters(Encform.Utf16, strPtr, IntPtr.Zero, ref error);
IntPtr segmentPtr = Graphite2Api.MakeSeg(_font, _face.FacePtr, script, feats.FeatureValPtr, Encform.Utf16, strPtr, numCodePoints, dir);
Marshal.FreeCoTaskMem(strPtr);
return(new Segment(segmentPtr));
}
public CharInfo Cinfo(uint index)
{
IntPtr charInfoPtr = Graphite2Api.SegCinfo(_segment, index);
if (charInfoPtr == IntPtr.Zero)
{
return(null);
}
return(new CharInfo(charInfoPtr));
}
public bool StartLogging(string filename)
{
int major, minor, bugfix;
Graphite2Api.EngineVersion(out major, out minor, out bugfix);
if (major <= 1 && minor < 2)
{
throw new NotSupportedException("A newer graphite engine is needed to support logging");
}
return(Graphite2Api.StartLogging(_face, filename));
}
public void StopLogging()
{
int major, minor, bugfix;
Graphite2Api.EngineVersion(out major, out minor, out bugfix);
if (major <= 1 && minor < 2)
{
throw new NotSupportedException("A newer graphite engine is needed to support logging");
}
Graphite2Api.StopLogging(_face);
}
public Face(string filename, uint segCacheMaxSize, FaceOptions options)
{
if (!File.Exists(filename))
{
throw new ArgumentException("filename");
}
_face = Graphite2Api.MakeFileFaceWithSegCache(filename, segCacheMaxSize, options);
if (_face == IntPtr.Zero)
{
throw new ArgumentException("filename is not a graphite font");
}
}
public string Label(string langid, Encform utf)
{
UInt32 length;
ushort langId = (ushort)Graphite2Api.StrToTag(langid);
IntPtr labelPtr = Graphite2Api.FrefLabel(_featureRef, ref langId, utf, out length);
if (labelPtr == IntPtr.Zero)
{
return(String.Empty);
}
string retLabel = ConvertGraphiteLabelToString(labelPtr, utf, length);
Graphite2Api.LabelDestroy(labelPtr);
return(retLabel);
}
/// <summary>
/// Determins if filename is a graphite font or not.
/// </summary>
public static bool IsGraphiteFont(string filename)
{
if (!File.Exists(filename))
{
return(false);
}
IntPtr face = Graphite2Api.MakeFileFace(filename, FaceOptions.face_default);
if (face == IntPtr.Zero)
{
return(false);
}
Graphite2Api.FaceDestroy(face);
return(true);
}
public void Dispose()
{
Graphite2Api.FaceDestroy(_face);
}
public void Dispose()
{
Graphite2Api.FontDestroy(_font);
}
public UInt16 NValues()
{
return(Graphite2Api.FrefNValues(_featureRef));
}
public void Dispose()
{
Graphite2Api.SegDestroy(_segment);
}
public UInt32 LangByIndex(UInt16 i)
{
return(Graphite2Api.FaceLangByIndex(_face, i));
}
public short NGlyphs()
{
return(Graphite2Api.FaceNGlyphs(_face));
}
public void Dispose()
{
Graphite2Api.FeatureValDestroy(_featureval);
}
public ushort NLanguages()
{
return(Graphite2Api.FaceNLanguages(_face));
}
public UInt16 Value(UInt16 settingno)
{
return(Graphite2Api.FrefValue(_featureRef, settingno));
}
public UInt16 FeatureValue(Featureval feats)
{
return(Graphite2Api.FrefFeatureValue(_featureRef, feats.FeatureValPtr));
}
public UInt16 NFref()
{
return(Graphite2Api.FaceNFref(_face));
}
public float AdvanceY(Face face, Font font)
{
return(Graphite2Api.SlotAdvanceY(_slot, face.FacePtr, font.FontPtr));
}
public int SetFeatureValue(UInt16 val, Featureval dest)
{
return(Graphite2Api.FrefSetFeatureValue(_featureRef, val, dest.FeatureValPtr));
}
public int Attr(Segment seg, AttrCode index, byte subindex)
{
return(Graphite2Api.SlotAttr(_slot, seg.SegPtr, index, subindex));
}
public Featureval Clone()
{
return(new Featureval(Graphite2Api.FeaturevalClone(_featureval)));
}
public void LineBreakBefore()
{
Graphite2Api.SlotLinebreakBefore(_slot);
}
public Font(float ppm, Face face)
{
_face = face;
_font = Graphite2Api.MakeFont(ppm, _face.FacePtr);
}
