void WriteAreaSymDef(AreaSymDef symdef)
{
OcadAreaSymbol symbol = new OcadAreaSymbol();
FillInCommonSymdef(symbol, symdef);
symbol.Otp = 3;
symbol.SymTp = 0;
symbol.Extent = 0;
symbol.FillOn = symdef.FillColor != null;
if (symdef.FillColor != null)
symbol.FillColor = NumberOfColor(symdef.FillColor);
if (symdef.BorderSymdef != null) {
// A border symbol. Supported directly in OCAD 9. Must be emulated by writing additional objects in 6-8,
// which is handled elsewhere.
if (version >= 9) {
symbol.BorderOn = true;
symbol.BorderSym = ConvertSymdefId(symdef.BorderSymdef.OcadID);
}
}
int hatchMode;
SymColor hatchColor;
float hatchWidth, hatchSpacing, angle1, angle2;
symdef.GetHatching(out hatchMode, out hatchColor, out hatchWidth, out hatchSpacing, out angle1, out angle2);
symbol.HatchMode = (short) hatchMode;
if (hatchMode > 0) {
symbol.HatchColor = NumberOfColor(hatchColor);
symbol.HatchLineWidth = (short) ToOcadDimensions(hatchWidth);
if (version >= 9)
symbol.HatchDist = (short) ToOcadDimensions(hatchSpacing);
else
symbol.HatchDist = (short) ToOcadDimensions(hatchSpacing - hatchWidth);
symbol.HatchAngle1 = AngleToOcad(angle1);
symbol.HatchAngle2 = AngleToOcad(angle2);
}
bool drawPattern, offsetRows;
float width, height, angle;
Glyph glyph;
symdef.GetPattern(out drawPattern, out offsetRows, out width, out height, out angle, out glyph);
if (drawPattern) {
symbol.StructMode = (short) (offsetRows ? 2 : 1);
symbol.StructWidth = (short) ToOcadDimensions(width);
symbol.StructHeight = (short) ToOcadDimensions(height);
symbol.StructAngle = AngleToOcad(angle);
symbol.StructElts = SymbolEltsFromGlyph(glyph, out symbol.DataSize);
}
symbol.Write(writer, version);
}
SymDef CreateAreaSymdef(string name, int ocadID, OcadAreaSymbol ocadSym)
{
SymColor color;
AreaSymDef symdef;
LineSymDef borderSymdef = null;
if (ocadSym.FillOn) {
color = GetColor(ocadSym.FillColor);
}
else {
color = null;
}
if (ocadSym.BorderOn) {
if (!symdefids.ContainsKey(ocadSym.BorderSym))
throw new OcadFileFormatException("Invalid border sym {0} in symbol {1}", ocadSym.BorderSym, ocadSym.Sym);
borderSymdef = (LineSymDef) symdefids[ocadSym.BorderSym];
}
symdef = new AreaSymDef(name, ocadID, color, borderSymdef);
if (ocadSym.HatchMode > 0) {
SymColor hatchColor = GetColor(ocadSym.HatchColor);
symdef.SetHatching(ocadSym.HatchMode, hatchColor,
ToWorldDimensions(ocadSym.HatchLineWidth),
ToWorldDimensions((version <= 8) ? (ocadSym.HatchLineWidth + ocadSym.HatchDist) : ocadSym.HatchDist),
AngleToDegrees(ocadSym.HatchAngle1),
AngleToDegrees(ocadSym.HatchAngle2));
}
if (ocadSym.StructMode > 0) {
symdef.SetPattern(true, (ocadSym.StructMode == 2),
ToWorldDimensions(ocadSym.StructWidth),
ToWorldDimensions(ocadSym.StructHeight),
AngleToDegrees(ocadSym.StructAngle),
CreateGlyph(ocadSym.StructElts));
}
return symdef;
}
static public OcadSymbol Read(BinaryReader reader, int version) {
int Size;
int Sym = 0;
short Otp;
byte SymTp = 0;
if (version <= 8) {
Size = reader.ReadInt16();
Sym = reader.ReadInt16();
Otp = reader.ReadInt16();
SymTp = reader.ReadByte();
}
else {
Size = reader.ReadInt32();
Sym = reader.ReadInt32();
Otp = reader.ReadByte();
}
byte Flags = reader.ReadByte();
OcadSymbol sym;
if (Otp == 1) {
sym = new OcadPointSymbol();
}
else if (Otp == 2 && SymTp == 0)
sym = new OcadLineSymbol();
else if (Otp == 2 && SymTp == 1)
sym = new OcadLineTextSymbol();
else if (Otp == 3)
sym = new OcadAreaSymbol();
else if (Otp == 4)
sym = new OcadTextSymbol();
else if (Otp == 5 || Otp == 7)
sym = new OcadRectSymbol();
else if (Otp == 6)
sym = new OcadLineTextSymbol();
else {
Debug.Assert(false);
return null;
}
sym.Size = Size;
sym.Sym = Sym;
sym.Otp = Otp;
sym.SymTp = SymTp;
sym.Flags = Flags;
if (version <= 8)
sym.Extent = reader.ReadInt16();
sym.Selected = (reader.ReadByte() != 0) ? true : false;
sym.Status = reader.ReadByte();
if (version <= 8) {
sym.Tool = reader.ReadInt16();
sym.FrWidth = reader.ReadInt16();
}
else {
sym.Tool = reader.ReadByte();
sym.CsMode = reader.ReadByte();
sym.CsObjType = reader.ReadByte();
sym.CsCdFlags = reader.ReadByte();
sym.Extent = reader.ReadInt32();
}
sym.FilePos = reader.ReadInt32();
if (version <= 8) {
sym.ColorSet = Util.ReadByteArray(reader, 32);
}
else {
sym.Group = reader.ReadInt16();
sym.nColors = reader.ReadInt16();
sym.ColorsUsed = new short[sym.nColors];
for (int i = 0; i < 14; ++i) {
short colorId = reader.ReadInt16();
if (i < sym.nColors)
sym.ColorsUsed[i] = colorId;
}
}
sym.Description = Util.ReadDelphiString(reader, 31);
sym.IconBits = Util.ReadByteArray(reader, (version <= 8) ? 264 : 484);
sym.ReadExtra(reader, version);
return sym;
}
