/// <summary>
/// Creates IfcPresentationStyleAssignment for text element type.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="textElemType">
/// The text note element type.
/// </param>
/// <param name="cache">
/// The cache of IfcPresentationStyleAssignment.
/// </param>
static void CreatePresentationStyleAssignmentForTextElementType(ExporterIFC exporterIFC, TextElementType textElemType, PresentationStyleAssignmentCache cache)
{
IFCFile file = exporterIFC.GetFile();
string fontName;
if (ParameterUtil.GetStringValueFromElement(textElemType, BuiltInParameter.TEXT_FONT, out fontName) == null)
{
fontName = null;
}
double fontSize;
if (ParameterUtil.GetDoubleValueFromElement(textElemType, BuiltInParameter.TEXT_SIZE, out fontSize) == null)
{
fontSize = -1.0;
}
double viewScale = 100.0; // currently hardwired.
fontSize = UnitUtil.ScaleLength(fontSize * viewScale);
string ifcPreDefinedItemName = "Text Font";
IList <string> fontNameList = new List <string>();
fontNameList.Add(fontName);
IFCAnyHandle textSyleFontModelHnd = IFCInstanceExporter.CreateTextStyleFontModel(file, ifcPreDefinedItemName, fontNameList, null, null, null, IFCDataUtil.CreateAsPositiveLengthMeasure(fontSize));
int color;
ParameterUtil.GetIntValueFromElement(textElemType, BuiltInParameter.LINE_COLOR, out color);
double blueVal = ((double)((color & 0xff0000) >> 16)) / 255.0;
double greenVal = ((double)((color & 0xff00) >> 8)) / 255.0;
double redVal = ((double)(color & 0xff)) / 255.0;
IFCAnyHandle colorHnd = IFCInstanceExporter.CreateColourRgb(file, null, redVal, greenVal, blueVal);
IFCAnyHandle fontColorHnd = IFCInstanceExporter.CreateTextStyleForDefinedFont(file, colorHnd, null);
string ifcAttrName = textElemType.Name;
IFCAnyHandle textStyleHnd = IFCInstanceExporter.CreateTextStyle(file, textElemType.Name, fontColorHnd, null, textSyleFontModelHnd);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(textStyleHnd))
{
return;
}
HashSet <IFCAnyHandle> presStyleSet = new HashSet <IFCAnyHandle>();
presStyleSet.Add(textStyleHnd);
IFCAnyHandle presStyleHnd = IFCInstanceExporter.CreatePresentationStyleAssignment(file, presStyleSet);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(presStyleHnd))
{
return;
}
cache.Register(textElemType.Id, presStyleHnd);
}
/// <summary>
/// Exports text note elements.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="textNote">
/// The text note element.
/// </param>
/// <param name="productWrapper">
/// The ProductWrapper.
/// </param>
public static void Export(ExporterIFC exporterIFC, TextNote textNote, ProductWrapper productWrapper)
{
// Check the intended IFC entity or type name is in the exclude list specified in the UI
string predefinedType = null;
IFCExportInfoPair exportType = ExporterUtil.GetProductExportType(exporterIFC, textNote, out predefinedType);
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(exportType.ExportInstance))
{
return;
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
string textString = textNote.Text;
if (String.IsNullOrEmpty(textString))
{
throw new Exception("TextNote does not have test string.");
}
ElementId symId = textNote.GetTypeId();
if (symId == ElementId.InvalidElementId)
{
throw new Exception("TextNote does not have valid type id.");
}
PresentationStyleAssignmentCache cache = ExporterCacheManager.PresentationStyleAssignmentCache;
IFCAnyHandle presHnd = cache.Find(symId);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(presHnd))
{
TextElementType textElemType = textNote.Symbol;
CreatePresentationStyleAssignmentForTextElementType(exporterIFC, textElemType, cache);
presHnd = cache.Find(symId);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(presHnd))
{
throw new Exception("Failed to create presentation style assignment for TextElementType.");
}
}
HashSet <IFCAnyHandle> presHndSet = new HashSet <IFCAnyHandle>();
presHndSet.Add(presHnd);
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, textNote))
{
const double planScale = 100.0; // currently hardwired.
XYZ orig = UnitUtil.ScaleLength(textNote.Coord);
XYZ yDir = textNote.UpDirection;
XYZ xDir = textNote.BaseDirection;
XYZ zDir = xDir.CrossProduct(yDir);
double sizeX = UnitUtil.ScaleLength(textNote.Width * planScale);
double sizeY = UnitUtil.ScaleLength(textNote.Height * planScale);
// When we display text on screen, we "flip" it if the xDir is negative with relation to
// the X-axis. So if it is, we'll flip x and y.
bool flipOrig = false;
if (xDir.X < 0)
{
xDir = xDir.Multiply(-1.0);
yDir = yDir.Multiply(-1.0);
flipOrig = true;
}
// xFactor, yFactor only used if flipOrig.
double xFactor = 0.0, yFactor = 0.0;
string boxAlignment = ConvertTextNoteAlignToBoxAlign(textNote, out xFactor, out yFactor);
// modify the origin to match the alignment. In Revit, the origin is at the top-left (unless flipped,
// then bottom-right).
if (flipOrig)
{
orig = orig.Add(xDir.Multiply(sizeX * xFactor));
orig = orig.Add(yDir.Multiply(sizeY * yFactor));
}
IFCAnyHandle origin = ExporterUtil.CreateAxis(file, orig, zDir, xDir);
IFCAnyHandle extent = IFCInstanceExporter.CreatePlanarExtent(file, sizeX, sizeY);
IFCAnyHandle repItemHnd = IFCInstanceExporter.CreateTextLiteralWithExtent(file, textString, origin, Toolkit.IFCTextPath.Left, extent, boxAlignment);
IFCAnyHandle annoTextOccHnd = IFCInstanceExporter.CreateStyledItem(file, repItemHnd, presHndSet, null);
ElementId catId = textNote.Category != null ? textNote.Category.Id : ElementId.InvalidElementId;
HashSet <IFCAnyHandle> bodyItems = new HashSet <IFCAnyHandle>();
bodyItems.Add(repItemHnd);
IFCAnyHandle bodyRepHnd = RepresentationUtil.CreateAnnotationSetRep(exporterIFC, textNote, catId, exporterIFC.Get2DContextHandle(), bodyItems);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRepHnd))
{
throw new Exception("Failed to create shape representation.");
}
IList <IFCAnyHandle> shapeReps = new List <IFCAnyHandle>();
shapeReps.Add(bodyRepHnd);
IFCAnyHandle prodShapeHnd = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps);
IFCAnyHandle instHnd;
if (exportType.ExportInstance == Common.Enums.IFCEntityType.IfcAnnotation)
{
instHnd = IFCInstanceExporter.CreateAnnotation(exporterIFC, textNote, GUIDUtil.CreateGUID(), ExporterCacheManager.OwnerHistoryHandle,
setter.LocalPlacement, prodShapeHnd);
}
else
{
instHnd = IFCInstanceExporter.CreateGenericIFCEntity(exportType, exporterIFC, textNote, GUIDUtil.CreateGUID(), ExporterCacheManager.OwnerHistoryHandle,
setter.LocalPlacement, prodShapeHnd);
}
productWrapper.AddAnnotation(instHnd, setter.LevelInfo, true);
}
tr.Commit();
}
}
/// <summary>
/// Creates IfcPresentationStyleAssignment for text element type.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="textElemType">
/// The text note element type.
/// </param>
/// <param name="cache">
/// The cache of IfcPresentationStyleAssignment.
/// </param>
static void CreatePresentationStyleAssignmentForTextElementType(ExporterIFC exporterIFC, TextElementType textElemType, PresentationStyleAssignmentCache cache)
{
IFCFile file = exporterIFC.GetFile();
Parameter fontNameParam = textElemType.get_Parameter(BuiltInParameter.TEXT_FONT);
string fontName = (fontNameParam != null && fontNameParam.StorageType == StorageType.String) ? fontNameParam.AsString() : null;
Parameter fontSizeParam = textElemType.get_Parameter(BuiltInParameter.TEXT_SIZE);
double fontSize = (fontSizeParam != null && fontSizeParam.StorageType == StorageType.Double) ? fontSizeParam.AsDouble() : -1.0;
double scale = exporterIFC.LinearScale;
double viewScale = 100.0; // currently hardwired.
fontSize *= (scale * viewScale);
string ifcPreDefinedItemName = "Text Font";
IList <string> fontNameList = new List <string>();
fontNameList.Add(fontName);
IFCAnyHandle textSyleFontModelHnd = IFCInstanceExporter.CreateTextStyleFontModel(file, ifcPreDefinedItemName, fontNameList, null, null, null, IFCDataUtil.CreateAsPositiveLengthMeasure(fontSize));
Parameter fontColorParam = textElemType.get_Parameter(BuiltInParameter.LINE_COLOR);
int color = (fontColorParam != null && fontColorParam.StorageType == StorageType.Integer) ? fontColorParam.AsInteger() : 0;
double blueVal = ((double)((color & 0xff0000) >> 16)) / 255.0;
double greenVal = ((double)((color & 0xff00) >> 8)) / 255.0;
double redVal = ((double)(color & 0xff)) / 255.0;
IFCAnyHandle colorHnd = IFCInstanceExporter.CreateColourRgb(file, null, redVal, greenVal, blueVal);
IFCAnyHandle fontColorHnd = IFCInstanceExporter.CreateTextStyleForDefinedFont(file, colorHnd, null);
string ifcAttrName = textElemType.Name;
IFCAnyHandle textStyleHnd = IFCInstanceExporter.CreateTextStyle(file, textElemType.Name, fontColorHnd, null, textSyleFontModelHnd);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(textStyleHnd))
{
return;
}
HashSet <IFCAnyHandle> presStyleSet = new HashSet <IFCAnyHandle>();
presStyleSet.Add(textStyleHnd);
IFCAnyHandle presStyleHnd = IFCInstanceExporter.CreatePresentationStyleAssignment(file, presStyleSet);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(presStyleHnd))
{
return;
}
cache.Register(textElemType.Id, presStyleHnd);
}
