private EMFPen(byte[] RecordData)
{
ObjectType = EmfObjectType.pen;
//put the Data into a stream and use a binary reader to read the data
MemoryStream _ms = new MemoryStream(RecordData);
BinaryReader _br = new BinaryReader(_ms);
myPen = new Pen(Color.Black); //default just for now..
UInt32 Version = _br.ReadUInt32();
UInt32 Unknown = _br.ReadUInt32();
UInt32 Flags = _br.ReadUInt32();
_br.ReadUInt32(); //PenUnit NOT SURE...
myPen.Width = _br.ReadSingle();
//Rest of data depends on Flags!
byte[] Transform;
Single[] DashLengths;
Single[] CompoundLineData;
//For now this will be nowhere near fully implemented... Just getting what I need to get it to work!
if ((Flags & (UInt32)PenDataFlags.PenDataTransform) == (UInt32)PenDataFlags.PenDataTransform)
{
//Read the next 24 bytes... A PenDataTransformObject
Transform = _br.ReadBytes(24);
}
if ((Flags & (UInt32)PenDataFlags.PenDataStartCap) == (UInt32)PenDataFlags.PenDataStartCap)
{
myPen.StartCap = (System.Drawing.Drawing2D.LineCap)_br.ReadInt32();
}
if ((Flags & (UInt32)PenDataFlags.PenDataEndCap) == (UInt32)PenDataFlags.PenDataEndCap)
{
myPen.EndCap = (System.Drawing.Drawing2D.LineCap)_br.ReadInt32();
}
if ((Flags & (UInt32)PenDataFlags.PenDataJoin) == (UInt32)PenDataFlags.PenDataJoin)
{
myPen.LineJoin = (System.Drawing.Drawing2D.LineJoin)_br.ReadUInt32();
}
if ((Flags & (UInt32)PenDataFlags.PenDataMiterLimit) == (UInt32)PenDataFlags.PenDataMiterLimit)
{
myPen.MiterLimit = _br.ReadSingle();
}
if ((Flags & (UInt32)PenDataFlags.PenDataLineStyle) == (UInt32)PenDataFlags.PenDataLineStyle)
{
myPen.DashStyle = (System.Drawing.Drawing2D.DashStyle)_br.ReadInt32();
}
if ((Flags & (UInt32)PenDataFlags.PenDataDashedLineCap) == (UInt32)PenDataFlags.PenDataDashedLineCap)
{
myPen.DashCap = (System.Drawing.Drawing2D.DashCap)_br.ReadUInt32();
}
if ((Flags & (UInt32)PenDataFlags.PenDataDashedLineOffset) == (UInt32)PenDataFlags.PenDataDashedLineOffset)
{
myPen.DashOffset = _br.ReadSingle();
}
if ((Flags & (UInt32)PenDataFlags.PenDataDashedLine) == (UInt32)PenDataFlags.PenDataDashedLine)
{
//Woo-hoo... A Variable length field!...
UInt32 DashedLineDataSize = _br.ReadUInt32();//Number of floats to read...
DashLengths = new Single[DashedLineDataSize];
for (int i = 0; i < DashedLineDataSize; i++)
{
DashLengths[i] = _br.ReadSingle();
}
myPen.DashPattern = DashLengths;
}
if ((Flags & (UInt32)PenDataFlags.PenDataNonCenter) == (UInt32)PenDataFlags.PenDataNonCenter)
{
myPen.Alignment = (System.Drawing.Drawing2D.PenAlignment)_br.ReadInt32();
}
if ((Flags & (UInt32)PenDataFlags.PenDataCompoundLine) == (UInt32)PenDataFlags.PenDataCompoundLine)
{
//Joy...more variable length...
UInt32 CompoundLineDataSize = _br.ReadUInt32();//Number of floats to read...
CompoundLineData = new Single[CompoundLineDataSize];
for (int i = 0; i < CompoundLineDataSize; i++)
{
CompoundLineData[i] = _br.ReadSingle();
}
myPen.CompoundArray = CompoundLineData;
}
if ((Flags & (UInt32)PenDataFlags.PenDataCustomStartCap) == (UInt32)PenDataFlags.PenDataCustomStartCap)
{
//Again...variable length...Hope we don't get this one any time soon... I'm not implementing it!
UInt32 CustomStartCapSize = _br.ReadUInt32();
_br.ReadBytes((int)CustomStartCapSize);
}
if ((Flags & (UInt32)PenDataFlags.PenDataCustomEndCap) == (UInt32)PenDataFlags.PenDataCustomEndCap)
{
//Again...variable length...Hope we don't get this one any time soon... I'm not implementing it either!
UInt32 CustomEndCapSize = _br.ReadUInt32();
_br.ReadBytes((int)CustomEndCapSize);
}
//Ok - the rest of the bytes are going to be a brush object
EMFBrush myBrush = EMFBrush.getEMFBrush(_br.ReadBytes((int)(_br.BaseStream.Length - _br.BaseStream.Position)));
//Now we can make a pen for storage...
myPen.Brush = myBrush.myBrush;
}
internal static EMFRecordObject getObject(int flags, byte[] RecordData)
{
MemoryStream _ms = null;
BinaryReader _br = null;
try
{
//Put the Flags into a stream and then use a binary Reader to read the Flags
_ms = new MemoryStream(BitConverter.GetBytes(flags));
_br = new BinaryReader(_ms);
//ObjectID is least significant byte (which will be the first byte in the byte array due to Little Endian)
byte Objectid = _br.ReadByte();
//Object Type next...
byte ObjectTyp = _br.ReadByte();
//Don't know what to do if this object continues on the next one!
bool ContinuesOnNextObject = ((ObjectTyp & 128) == 128);
if (ContinuesOnNextObject)
{
ObjectTyp ^= 128;
}
switch ((UInt16)ObjectTyp)
{
case (UInt16)EmfObjectType.invalid:
break;
case (UInt16)EmfObjectType.brush:
EMFBrush Obrush = EMFBrush.getEMFBrush(RecordData);
Obrush.ObjectID = Objectid;
return(Obrush);
case (UInt16)EmfObjectType.pen:
EMFPen OPen = EMFPen.getEMFPen(RecordData);
OPen.ObjectID = Objectid;
return(OPen);
case (UInt16)EmfObjectType.path:
break;
case (UInt16)EmfObjectType.region:
break;
case (UInt16)EmfObjectType.image:
break;
case (UInt16)EmfObjectType.font:
EMFFont OFont = EMFFont.getEMFFont(RecordData);
OFont.ObjectID = Objectid;
return(OFont);
case (UInt16)EmfObjectType.stringformat:
EMFStringFormat Ostringformat = EMFStringFormat.getEMFStringFormat(RecordData);
Ostringformat.ObjectID = Objectid;
return(Ostringformat);
case (UInt16)EmfObjectType.ImageAttributes:
break;
case (UInt16)EmfObjectType.CustomLineType:
break;
}
return(null);
}
catch (Exception e)
{
throw e;
}
finally
{
if (_br != null)
{
_br.Close();
}
if (_ms != null)
{
_ms.Dispose();
}
}
}
