OcadSetup ReadSetup(OcadFileHeader fh)
{
OcadSetup setup = new OcadSetup();
setup.Read(reader, fh.SetupPos, fh.SetupSize);
return setup;
}
// Get the template infomation about the setup struction into a TemplateInfo class.
// Return null if no template is there.
TemplateInfo ReadTemplateInfo(OcadSetup setup)
{
if (setup.TemplateEnabled != 0 && setup.TemplateFileName != null && setup.TemplateFileName.Length > 0) {
// template name might be relative. Make it absolute.
string absoluteFileName = Path.GetFullPath(Path.Combine(Path.GetDirectoryName(this.filename), setup.TemplateFileName));
return new TemplateInfo(absoluteFileName, PointFromOcadCoord(setup.TempOffset), (float) setup.TempResol,
(float) (setup.rTempAng * 180.0 / Math.PI), setup.HideTemp == 0);
}
else {
return null;
}
}
int WriteSetup(out int size)
{
int pos = (int) writer.Seek(0, SeekOrigin.Current);
OcadSetup setup = map.OcadSetupStructure;
if (setup == null) {
// Default value if no existing setup structure.
setup = new OcadSetup();
setup.rGridDist = 10;
setup.MapScale = 15000;
if (version < 8)
setup.DraftScaleX = setup.DraftScaleY = setup.MapScale;
setup.PrintScale = setup.MapScale;
setup.Zoom = 4;
}
// Value to always set in the setup structure.
setup.FileName = filename;
setup.MapScale = map.MapScale;
if (map.PrintScale != 0)
setup.PrintScale = map.PrintScale;
else
setup.PrintScale = map.MapScale;
if (map.PrintArea != RectangleF.Empty) {
// note: bottom and top switched due to Y-positive coord system.
setup.PrLowerLeft = OcadCoordFromPoint(new PointF(map.PrintArea.Left, map.PrintArea.Top));
setup.PrUpperRight = OcadCoordFromPoint(new PointF(map.PrintArea.Right, map.PrintArea.Bottom));
}
// Set template for if version is <= 7. Parameter strings used for version 8 and above.
TemplateInfo template = map.Template;
if (template != null && version <= 7) {
bool isOcadFile = false;
try {
using (Stream stm = new FileStream(template.absoluteFileName, FileMode.Open, FileAccess.Read, FileShare.Read)) {
isOcadFile = OcadImport.IsOcadFile(stm);
}
}
catch (IOException) {
// Couldn't read file, so use the extension to decide.
isOcadFile = Path.GetExtension(template.absoluteFileName) == ".ocd";
}
if (version == 7 && isOcadFile)
setup.TemplateEnabled = 2;
else
setup.TemplateEnabled = 1;
setup.DraftScaleX = setup.DraftScaleY = map.MapScale;
setup.TemplateFileName = template.absoluteFileName;
setup.TempOffset = OcadCoordFromPoint(template.centerPoint);
setup.rTempAng = template.angle / 180.0 * Math.PI;
setup.TempResol = (short) Math.Round(template.dpi);
setup.HideTemp = (ushort) (template.visible ? 0 : 1);
}
setup.Write(writer, version);
size = (int) writer.Seek(0, SeekOrigin.Current) - pos;
return pos;
}