Glyph CreateGlyph(OcadSymbolElt[] elts)
{
if (elts == null)
return null;
Glyph glyph = new Glyph();
foreach (OcadSymbolElt elt in elts) {
SymColor color = GetColor(elt.stColor);
switch (elt.stType) {
case 1: // line
glyph.AddLine(color, CreateSymPath(elt.stCoords), ToWorldDimensions(elt.stLineWidth), ImportLineStyle((short) elt.stFlags));
break;
case 2: // area
SymPathWithHoles areaPath = CreateAreaSymPath(elt.stCoords);
glyph.AddArea(color, areaPath);
break;
case 3: // circle
float width = ToWorldDimensions(elt.stLineWidth);
float diameter = ToWorldDimensions(elt.stDiameter);
if (version > 8)
diameter += width; // diameter is from middle of line in OCAD 9+, from outer edges in OCAD 6-8.
glyph.AddCircle(color, PointFromOcadCoord(elt.stCoords[0]), width, diameter);
break;
case 4:
glyph.AddFilledCircle(color, PointFromOcadCoord(elt.stCoords[0]), ToWorldDimensions(elt.stDiameter));
break;
default:
throw new OcadFileFormatException("Invalid symbol element kind {0}", elt.stType);
}
}
glyph.ConstructionComplete();
return glyph;
}
OcadSymbolElt[] SymbolEltsFromGlyph(Glyph glyph, out short datasize)
{
Glyph.GlyphPart[] parts = glyph.GetParts();
OcadSymbolElt[] elts = new OcadSymbolElt[parts.Length];
datasize = 0;
for (int i = 0; i < parts.Length; ++i) {
elts[i] = SymbolEltFromGlyphPart(parts[i]);
datasize += (short) (2 + elts[i].stnPoly);
}
return elts;
}
public static void WriteElements(BinaryWriter writer, OcadSymbolElt[] elts) {
if (elts != null) {
foreach (OcadSymbolElt elt in elts)
elt.Write(writer);
}
}
OcadSymbolElt SymbolEltFromGlyphPart(Glyph.GlyphPart part)
{
OcadSymbolElt elt = new OcadSymbolElt();
elt.stColor = NumberOfColor(part.color);
switch (part.kind) {
case GlyphPartKind.Area:
elt.stType = 2;
elt.stCoords = CoordsFromSymPathWithHoles(part.areaPath);
break;
case GlyphPartKind.Line:
elt.stType = 1;
elt.stFlags = (ushort) OcadLineStyle(part.lineStyle);
elt.stLineWidth = (short) ToOcadDimensions(part.lineWidth);
elt.stCoords = CoordsFromSymPath(part.path);
break;
case GlyphPartKind.Circle:
elt.stType = 3;
elt.stLineWidth = (short) ToOcadDimensions(part.lineWidth);
if (version > 8)
elt.stDiameter = (short) ToOcadDimensions(part.circleDiam - part.lineWidth);
else
elt.stDiameter = (short) ToOcadDimensions(part.circleDiam);
elt.stCoords = new OcadCoord[1] { OcadCoordFromPoint(part.point) };
break;
case GlyphPartKind.FilledCircle:
elt.stType = 4;
elt.stDiameter = (short) ToOcadDimensions(part.circleDiam);
elt.stCoords = new OcadCoord[1] { OcadCoordFromPoint(part.point) };
break;
default:
Debug.Fail("bad GlyphPartKind");
break;
}
elt.stnPoly = (short) elt.stCoords.Length;
return elt;
}
static public OcadSymbolElt[] ReadElements(BinaryReader reader, int DataSize) {
List<OcadSymbolElt> list = new List<OcadSymbolElt>();
while (DataSize > 0) {
OcadSymbolElt elt = new OcadSymbolElt();
DataSize -= elt.Read(reader);
list.Add(elt);
}
Debug.Assert(DataSize == 0);
return list.ToArray();
}
