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|
// File: STEPConstruct_Styles.cxx
// Created: Fri Sep 10 18:46:26 1999
// Author: Andrey BETENEV
// <abv@doomox.nnov.matra-dtv.fr>
#include <STEPConstruct_Styles.ixx>
#include <STEPConstruct.hxx>
#include <TCollection_HAsciiString.hxx>
#include <TopoDS_Iterator.hxx>
#include <XSControl_TransferReader.hxx>
#include <XSControl_TransferWriter.hxx>
#include <Interface_Graph.hxx>
#include <Interface_Static.hxx>
#include <Interface_InterfaceModel.hxx>
#include <Interface_EntityIterator.hxx>
#include <TransferBRep_ShapeMapper.hxx>
#include <TransferBRep.hxx>
#include <Transfer_Binder.hxx>
#include <APIHeaderSection_MakeHeader.hxx>
#include <StepRepr_RepresentationItem.hxx>
#include <StepRepr_RepresentationContext.hxx>
#include <StepRepr_HArray1OfRepresentationItem.hxx>
#include <StepGeom_GeometricRepresentationItem.hxx>
#include <StepShape_ShapeRepresentation.hxx>
#include <StepVisual_ColourRgb.hxx>
#include <StepVisual_FillAreaStyleColour.hxx>
#include <StepVisual_FillStyleSelect.hxx>
#include <StepVisual_HArray1OfFillStyleSelect.hxx>
#include <StepVisual_FillAreaStyle.hxx>
#include <StepVisual_SurfaceStyleFillArea.hxx>
#include <StepVisual_SurfaceStyleElementSelect.hxx>
#include <StepVisual_HArray1OfSurfaceStyleElementSelect.hxx>
#include <StepVisual_SurfaceSideStyle.hxx>
#include <StepVisual_SurfaceStyleUsage.hxx>
#include <StepVisual_PresentationStyleSelect.hxx>
#include <StepVisual_HArray1OfPresentationStyleSelect.hxx>
#include <StepVisual_PresentationStyleAssignment.hxx>
#include <StepVisual_HArray1OfPresentationStyleAssignment.hxx>
#include <StepVisual_OverRidingStyledItem.hxx>
#include <StepVisual_StyledItem.hxx>
#include <StepVisual_MechanicalDesignGeometricPresentationRepresentation.hxx>
#include <StepVisual_PreDefinedColour.hxx>
#include <StepVisual_PreDefinedItem.hxx>
#include <StepVisual_CurveStyle.hxx>
#include <StepVisual_DraughtingPreDefinedCurveFont.hxx>
#include <StepVisual_SurfaceStyleBoundary.hxx>
#include <StepVisual_DraughtingPreDefinedColour.hxx>
#include <StepBasic_MeasureValueMember.hxx>
#include <StepVisual_DraughtingModel.hxx>
#include <StepVisual_PresentationStyleByContext.hxx>
#include <StepRepr_ProductDefinitionShape.hxx>
#include <StepShape_ShapeDefinitionRepresentation.hxx>
#include <StepRepr_ShapeRepresentationRelationship.hxx>
#include <StepRepr_RepresentationRelationshipWithTransformation.hxx>
#include <StepRepr_Transformation.hxx>
#include <StepRepr_ItemDefinedTransformation.hxx>
#include <StepVisual_Invisibility.hxx>
#include <TColStd_HSequenceOfTransient.hxx>
#include <StepVisual_InvisibleItem.hxx>
#include <gp_Pnt.hxx>
//=======================================================================
//function : STEPConstruct_Styles
//purpose :
//=======================================================================
STEPConstruct_Styles::STEPConstruct_Styles ()
{
}
//=======================================================================
//function : STEPConstruct_Styles
//purpose :
//=======================================================================
STEPConstruct_Styles::STEPConstruct_Styles (const Handle(XSControl_WorkSession) &WS)
: STEPConstruct_Tool ( WS )
{
}
//=======================================================================
//function : Init
//purpose :
//=======================================================================
Standard_Boolean STEPConstruct_Styles::Init (const Handle(XSControl_WorkSession) &WS)
{
myMapOfStyles.Clear();
myStyles.Clear();
myPSA.Clear();
return SetWS ( WS );
}
//=======================================================================
//function : NbStyles
//purpose :
//=======================================================================
Standard_Integer STEPConstruct_Styles::NbStyles () const
{
return myStyles.Length();
}
//=======================================================================
//function : Style
//purpose :
//=======================================================================
Handle(StepVisual_StyledItem) STEPConstruct_Styles::Style (const Standard_Integer i) const
{
return Handle(StepVisual_StyledItem)::DownCast ( myStyles.Value(i) );
}
//=======================================================================
//function : ClearStyles
//purpose :
//=======================================================================
void STEPConstruct_Styles::ClearStyles ()
{
myStyles.Clear();
myPSA.Clear();
}
//=======================================================================
//function : AddStyle
//purpose :
//=======================================================================
void STEPConstruct_Styles::AddStyle (const Handle(StepVisual_StyledItem) &style)
{
myStyles.Append ( style );
}
//=======================================================================
//function : AddStyle
//purpose :
//=======================================================================
Handle(StepVisual_StyledItem) STEPConstruct_Styles::AddStyle (const Handle(StepRepr_RepresentationItem) &item,
const Handle(StepVisual_PresentationStyleAssignment) &PSA,
const Handle(StepVisual_StyledItem) &Override)
{
Handle(StepVisual_StyledItem) Style;
Handle(StepVisual_HArray1OfPresentationStyleAssignment) Styles =
new StepVisual_HArray1OfPresentationStyleAssignment ( 1, 1 );
Styles->SetValue ( 1, PSA );
if ( Override.IsNull() ) {
Handle(TCollection_HAsciiString) StyName = new TCollection_HAsciiString ( "color" );
Style = new StepVisual_StyledItem;
Style->Init ( StyName, Styles, item );
}
else {
Handle(TCollection_HAsciiString) StyName = new TCollection_HAsciiString ( "overriding color" );
Handle(StepVisual_OverRidingStyledItem) OStyle = new StepVisual_OverRidingStyledItem;
OStyle->Init ( StyName, Styles, item, Override );
Style = OStyle;
}
myStyles.Append ( Style );
// for future using
myPSA.Append( PSA );
return Style;
}
//=======================================================================
//function : AddStyle
//purpose :
//=======================================================================
Handle(StepVisual_StyledItem) STEPConstruct_Styles::AddStyle (const TopoDS_Shape &Shape,
const Handle(StepVisual_PresentationStyleAssignment) &PSA,
const Handle(StepVisual_StyledItem) &Override)
{
Handle(StepRepr_RepresentationItem) item = STEPConstruct::FindEntity ( FinderProcess(), Shape );
Handle(StepVisual_StyledItem) Style;
if ( ! item.IsNull() ) Style = AddStyle ( item, PSA, Override );
return Style;
}
//=======================================================================
//function : CreateMDGPR
//purpose :
//=======================================================================
Standard_Boolean STEPConstruct_Styles::CreateMDGPR (const Handle(StepRepr_RepresentationContext) &Context,
Handle(StepVisual_MechanicalDesignGeometricPresentationRepresentation)& Repr)
{
if ( myStyles.Length() <1 ) return Standard_False;
// create MECHANICAL_DESIGN_GEOMETRIC_PRESENTATION_REPRESENTATION
Handle(StepRepr_HArray1OfRepresentationItem) elems =
new StepRepr_HArray1OfRepresentationItem ( 1, myStyles.Length() );
for ( Standard_Integer i=1; i <= myStyles.Length(); i++ )
elems->SetValue ( i, Handle(StepRepr_RepresentationItem)::DownCast ( myStyles.Value(i) ) );
// create new MDGPR
Repr = new StepVisual_MechanicalDesignGeometricPresentationRepresentation;
Handle(TCollection_HAsciiString) ReprName = new TCollection_HAsciiString ( "" );
Repr->Init ( ReprName, elems, Context );
// record Repr in order to have it written to the file
// Model()->AddWithRefs ( Repr ); add into the model upper
// for AP203, add subschema name
if ( Interface_Static::IVal("write.step.schema") ==3 ) {
APIHeaderSection_MakeHeader mkHdr ( Handle(StepData_StepModel)::DownCast ( Model() ) );
Handle(TCollection_HAsciiString) subSchema =
new TCollection_HAsciiString ( "SHAPE_APPEARANCE_LAYER_MIM" );
mkHdr.AddSchemaIdentifier ( subSchema );
}
return Standard_True;
}
//=======================================================================
//function : CreateNAUOSRD
//purpose :
//=======================================================================
Standard_Boolean STEPConstruct_Styles::CreateNAUOSRD (const Handle(StepRepr_RepresentationContext) &Context,
const Handle(StepShape_ContextDependentShapeRepresentation)& CDSR,
const Handle(StepRepr_ProductDefinitionShape)& initPDS)
{
Handle(StepShape_ShapeDefinitionRepresentation) aSDR =
new StepShape_ShapeDefinitionRepresentation;
Handle(StepShape_ShapeRepresentation) aSR =
new StepShape_ShapeRepresentation;
Handle(TCollection_HAsciiString) ReprName = new TCollection_HAsciiString ( "" );
// element for axis 2 placement
Handle(StepRepr_HArray1OfRepresentationItem) elems =
new StepRepr_HArray1OfRepresentationItem ( 1, 1 );
// get PDS
Handle(StepRepr_ProductDefinitionShape) aPDS;
if ( initPDS.IsNull() )
aPDS = CDSR->RepresentedProductRelation();
else
aPDS = initPDS; // for SHUO
Handle(StepRepr_ShapeRepresentationRelationship) aRepRelationShip = CDSR->RepresentationRelation();
Handle(StepRepr_RepresentationRelationshipWithTransformation) aRRwTRSF =
Handle(StepRepr_RepresentationRelationshipWithTransformation)::DownCast(aRepRelationShip);
StepRepr_Transformation SetReprTRSF;
if (!aRRwTRSF.IsNull())
SetReprTRSF = aRRwTRSF->TransformationOperator();
else
return Standard_False;
// take Item defined transformation
Handle(StepRepr_ItemDefinedTransformation) anItDT = SetReprTRSF.ItemDefinedTransformation();
elems->SetValue( 1, anItDT->TransformItem2() );
// init Shape representation.
aSR->Init ( ReprName, elems, Context );
// register reference between PresentationStyleByContext and ShapeRepresentation
for (Standard_Integer psbci = 1; psbci <= myPSA.Length(); psbci++) {
Handle(StepVisual_PresentationStyleByContext) PSA =
Handle(StepVisual_PresentationStyleByContext)::DownCast(myPSA.Value(psbci));
if (PSA.IsNull())
continue;
// register the reference
StepVisual_StyleContextSelect aStyleCntxSlct;
aStyleCntxSlct.SetValue( aSR );
PSA->SetStyleContext( aStyleCntxSlct );
}
StepRepr_RepresentedDefinition aPDSselect;
aPDSselect.SetValue(aPDS);
aSDR->Init( aPDSselect, aSR );
Model()->AddWithRefs ( aSDR );
return Standard_True;
}
//=======================================================================
//function : FindContext
//purpose :
//=======================================================================
Handle(StepRepr_RepresentationContext) STEPConstruct_Styles::FindContext (const TopoDS_Shape &Shape) const
{
// find context of items
Handle(StepRepr_RepresentationContext) Context;
Handle(TransferBRep_ShapeMapper) mapper = TransferBRep::ShapeMapper ( FinderProcess(), Shape );
Handle(StepShape_ShapeRepresentation) sr;
if ( FinderProcess()->FindTypedTransient (mapper,STANDARD_TYPE(StepShape_ShapeRepresentation), sr) ) {
#ifdef DEB
// cout << "Context of " << Shape.TShape()->DynamicType()->Name() << ": SR found: " << sr->DynamicType()->Name() << endl;
#endif
Context = sr->ContextOfItems();
}
else {
Handle(StepGeom_GeometricRepresentationItem) item;
if ( FinderProcess()->FindTypedTransient (mapper,STANDARD_TYPE(StepGeom_GeometricRepresentationItem), item) ) {
#ifdef DEB
// cout << "Context of " << Shape.TShape()->DynamicType()->Name() << ": GeomRepItem found: " << item->DynamicType()->Name() << endl;
#endif
Interface_EntityIterator subs = Graph().Sharings(item);
for (subs.Start(); Context.IsNull() && subs.More(); subs.Next()) {
#ifdef DEB
// cout << "Parsing back refs: found " << subs.Value()->DynamicType()->Name() << endl;
#endif
if ( ! subs.Value()->IsKind(STANDARD_TYPE(StepShape_ShapeRepresentation)) ) continue;
sr = Handle(StepShape_ShapeRepresentation)::DownCast ( subs.Value() );
Context = sr->ContextOfItems();
}
}
}
#ifdef DEB
if ( Context.IsNull() ) {
cout << Shape.TShape()->DynamicType()->Name() << ": Cannot find context" << endl;
}
#endif
return Context;
}
//=======================================================================
//function : LoadStyles
//purpose :
//=======================================================================
Standard_Boolean STEPConstruct_Styles::LoadStyles ()
{
myStyles.Clear();
myPSA.Clear();
// find all MDGPRs and DMs and collect all defined styles in myStyles
Handle(Interface_InterfaceModel) model = Model();
Standard_Integer nb = model->NbEntities();
Handle(Standard_Type) tMDGPR = STANDARD_TYPE(StepVisual_MechanicalDesignGeometricPresentationRepresentation);
Handle(Standard_Type) tDM = STANDARD_TYPE(StepVisual_DraughtingModel);
for (Standard_Integer i = 1; i <= nb; i ++) {
Handle(Standard_Transient) enti = model->Value(i);
if ( enti->DynamicType() != tMDGPR && enti->DynamicType() != tDM ) continue;
Handle(StepRepr_Representation) container = Handle(StepRepr_Representation)::DownCast ( enti );
Standard_Integer nbi = container->NbItems();
for ( Standard_Integer j=1; j <= nbi; j++ ) {
Handle(StepVisual_StyledItem) style =
Handle(StepVisual_StyledItem)::DownCast ( container->ItemsValue(j) );
if ( style.IsNull() ) continue;
myStyles.Append ( style );
}
}
return myStyles.Length() >0;
}
//=======================================================================
//function : LoadInvisStyles
//purpose :
//=======================================================================
Standard_Boolean STEPConstruct_Styles::LoadInvisStyles (Handle(TColStd_HSequenceOfTransient)& theInvStyles) const
{
Handle(Interface_InterfaceModel) model = Model();
Standard_Integer nb = model->NbEntities();
Handle(Standard_Type) tInvisibility = STANDARD_TYPE(StepVisual_Invisibility);
// serach for invisibility
for (Standard_Integer i = 1; i <= nb; i ++) {
Handle(Standard_Transient) enti = model->Value(i);
if ( enti->DynamicType() != tInvisibility )
continue;
// search for styled items
Handle(StepVisual_Invisibility) container = Handle(StepVisual_Invisibility)::DownCast ( enti );
Standard_Integer nbi = container->NbInvisibleItems();
for ( Standard_Integer j=1; j <= nbi; j++ ) {
StepVisual_InvisibleItem anInvItem = container->InvisibleItemsValue(j);
Handle(StepVisual_StyledItem) style = anInvItem.StyledItem();
if ( style.IsNull() )
continue;
// collect the invisible styled items
if ( theInvStyles.IsNull() )
theInvStyles = new TColStd_HSequenceOfTransient;
theInvStyles->Append( style );
}
}
return ( !theInvStyles.IsNull() && (theInvStyles->Length() > 0) );
}
//=======================================================================
//function : MakeColorPSA
//purpose :
//=======================================================================
Handle(StepVisual_PresentationStyleAssignment) STEPConstruct_Styles::MakeColorPSA (const Handle(StepRepr_RepresentationItem) &/*item*/,
const Handle(StepVisual_Colour) &SurfCol,
const Handle(StepVisual_Colour) &CurveCol,
const Standard_Boolean isForNAUO) const
{
Handle(StepVisual_PresentationStyleAssignment) PSA;
TColStd_SequenceOfTransient items;
// surface color
if ( ! SurfCol.IsNull() ) {
Handle(TCollection_HAsciiString) FASCName = new TCollection_HAsciiString ( "" );
Handle(StepVisual_FillAreaStyleColour) FASC = new StepVisual_FillAreaStyleColour;
FASC->Init ( FASCName, SurfCol );
StepVisual_FillStyleSelect FSS;
FSS.SetValue ( FASC );
Handle(StepVisual_HArray1OfFillStyleSelect) FASSs = new StepVisual_HArray1OfFillStyleSelect ( 1, 1 );
FASSs->SetValue ( 1, FSS );
Handle(TCollection_HAsciiString) FASName = new TCollection_HAsciiString ( "" );
Handle(StepVisual_FillAreaStyle) FAS = new StepVisual_FillAreaStyle;
FAS->Init ( FASName, FASSs );
Handle(StepVisual_SurfaceStyleFillArea) SSFA = new StepVisual_SurfaceStyleFillArea;
SSFA->Init ( FAS );
StepVisual_SurfaceStyleElementSelect SES;
SES.SetValue ( SSFA );
Handle(StepVisual_HArray1OfSurfaceStyleElementSelect) SSESs =
new StepVisual_HArray1OfSurfaceStyleElementSelect ( 1, 1 );
SSESs->SetValue ( 1, SES );
Handle(TCollection_HAsciiString) SSSName = new TCollection_HAsciiString ( "" );
Handle(StepVisual_SurfaceSideStyle) SSS = new StepVisual_SurfaceSideStyle;
SSS->Init ( SSSName, SSESs );
Handle(StepVisual_SurfaceStyleUsage) SSU = new StepVisual_SurfaceStyleUsage;
SSU->Init ( StepVisual_ssBoth, SSS );
items.Append ( SSU );
}
// curve color
if ( ! CurveCol.IsNull() ) {
Handle(TCollection_HAsciiString) fontName = new TCollection_HAsciiString("continuous");
Handle(StepVisual_DraughtingPreDefinedCurveFont) SDPDCF = new StepVisual_DraughtingPreDefinedCurveFont;
SDPDCF->Init(fontName);
Handle(StepBasic_MeasureValueMember) Val = new StepBasic_MeasureValueMember;
Val->SetReal ( 0.1 );
Val->SetName ( "POSITIVE_LENGTH_MEASURE");
StepVisual_CurveStyleFontSelect SCSFS;
SCSFS.SetValue(SDPDCF);
StepBasic_SizeSelect SSSelect;
SSSelect.SetValue(Val);
Handle(TCollection_HAsciiString) SCSName = new TCollection_HAsciiString ( "" );
Handle(StepVisual_CurveStyle) SCS = new StepVisual_CurveStyle;
SCS->Init(SCSName,SCSFS,SSSelect,CurveCol);
items.Append ( SCS );
}
if ( items.Length() <1 ) {
#ifdef DEB
cout << "Error: no color is supplied" << endl;
#endif
return PSA;
}
// general part
Handle(StepVisual_HArray1OfPresentationStyleSelect) PSSs =
new StepVisual_HArray1OfPresentationStyleSelect ( 1, items.Length() );
for ( Standard_Integer i=1; i <= items.Length(); i++ ) {
StepVisual_PresentationStyleSelect PSS;
PSS.SetValue ( items.Value(i) );
PSSs->SetValue ( i, PSS );
}
if (!isForNAUO)
PSA = new StepVisual_PresentationStyleAssignment;
else
PSA = new StepVisual_PresentationStyleByContext;
PSA->Init ( PSSs );
return PSA;
}
//=======================================================================
//function : GetColorPSA
//purpose :
//=======================================================================
Handle(StepVisual_PresentationStyleAssignment) STEPConstruct_Styles::GetColorPSA (const Handle(StepRepr_RepresentationItem) &item,
const Handle(StepVisual_Colour) &Col)
{
// if this color already was processed, just use the same PSA, else create new and add it to map
Handle(StepVisual_PresentationStyleAssignment) PSA;
if ( myMapOfStyles.Contains(Col) ) {
PSA = Handle(StepVisual_PresentationStyleAssignment)::
DownCast(myMapOfStyles.FindFromKey(Col));
}
else {
PSA = MakeColorPSA ( item, Col, Col );
myMapOfStyles.Add(Col,PSA);
}
return PSA;
}
//=======================================================================
//function : GetColors
//purpose :
//=======================================================================
Standard_Boolean STEPConstruct_Styles::GetColors (const Handle(StepVisual_StyledItem) &style,
Handle(StepVisual_Colour) &SurfCol,
Handle(StepVisual_Colour) &BoundCol,
Handle(StepVisual_Colour) &CurveCol,
Standard_Boolean& IsComponent) const
{
SurfCol.Nullify();
BoundCol.Nullify();
CurveCol.Nullify();
// parse on styles
for(Standard_Integer j=1; j<=style->NbStyles(); j++ ) {
Handle(StepVisual_PresentationStyleAssignment) PSA = style->StylesValue ( j );
if(PSA.IsNull()) continue;
IsComponent = Standard_True;
for(Standard_Integer k=1; k<=PSA->NbStyles(); k++ ) {
StepVisual_PresentationStyleSelect PSS = PSA->StylesValue(k);
// try surface_style_usage
Handle(StepVisual_SurfaceStyleUsage) SSU = PSS.SurfaceStyleUsage();
if( !SSU.IsNull() ) {
Handle(StepVisual_SurfaceSideStyle) SSS = SSU->Style();
for(Standard_Integer l=1; l<=SSS->NbStyles(); l++ ) {
StepVisual_SurfaceStyleElementSelect SSES = SSS->StylesValue(l);
// try fill color
Handle(StepVisual_SurfaceStyleFillArea) SSFA = SSES.SurfaceStyleFillArea();
if ( !SSFA.IsNull() ) {
Handle(StepVisual_FillAreaStyle) FAS = SSFA->FillArea();
for ( Standard_Integer m=1; m <= FAS->NbFillStyles(); m++ ) {
StepVisual_FillStyleSelect FSS = FAS->FillStylesValue ( m );
Handle(StepVisual_FillAreaStyleColour) FASC = FSS.FillAreaStyleColour();
if ( SurfCol.IsNull() || SSU->Side() != StepVisual_ssNegative ) //abv 30 Mar 00: trj3_s1-pe.stp
SurfCol = FASC->FillColour();
}
continue;
}
// try boundary color
Handle(StepVisual_SurfaceStyleBoundary) SSB = SSES.SurfaceStyleBoundary();
if(!SSB.IsNull()) {
Handle(StepVisual_CurveStyle) CS = SSB->StyleOfBoundary();
if ( ! CS.IsNull() ) BoundCol = CS->CurveColour();
continue;
}
}
continue;
}
// try curve_style
Handle(StepVisual_CurveStyle) CS = PSS.CurveStyle();
if ( ! CS.IsNull() ) CurveCol = CS->CurveColour();
}
}
return ! SurfCol.IsNull() || ! BoundCol.IsNull() || ! CurveCol.IsNull();
}
//=======================================================================
//function : EncodeColor
//purpose :
//=======================================================================
Handle(StepVisual_Colour) STEPConstruct_Styles::EncodeColor(const Quantity_Color &C)
{
// detect if color corresponds to one of pre-defined colors
Standard_CString cName = 0;
if ( C == Quantity_Color(Quantity_NOC_GREEN) ) cName = "green";
else if ( C == Quantity_Color(Quantity_NOC_RED) ) cName = "red";
else if ( C == Quantity_Color(Quantity_NOC_BLUE1) ) cName = "blue";
else if ( C == Quantity_Color(Quantity_NOC_YELLOW) ) cName = "yellow";
else if ( C == Quantity_Color(Quantity_NOC_MAGENTA1) ) cName = "magenta";
else if ( C == Quantity_Color(Quantity_NOC_CYAN1) ) cName = "cyan";
else if ( C == Quantity_Color(Quantity_NOC_BLACK) ) cName = "black";
else if ( C == Quantity_Color(Quantity_NOC_WHITE) ) cName = "white";
if ( cName ) {
Handle(StepVisual_DraughtingPreDefinedColour) ColPr = new StepVisual_DraughtingPreDefinedColour;
Handle(StepVisual_PreDefinedItem) preDef = new StepVisual_PreDefinedItem;
preDef->Init(new TCollection_HAsciiString(cName));
ColPr->SetPreDefinedItem(preDef);
return ColPr;
}
else {
Handle(TCollection_HAsciiString) ColName = new TCollection_HAsciiString ( "" );
Handle(StepVisual_ColourRgb) ColRGB = new StepVisual_ColourRgb;
ColRGB->Init ( ColName, C.Red(), C.Green(), C.Blue() );
return ColRGB;
}
}
//=======================================================================
//function : EncodeColor
//purpose :
//=======================================================================
Handle(StepVisual_Colour) STEPConstruct_Styles::EncodeColor
(const Quantity_Color &C,
STEPConstruct_DataMapOfAsciiStringTransient &DPDCs,
STEPConstruct_DataMapOfPointTransient &ColRGBs)
{
// detect if color corresponds to one of pre-defined colors
Standard_CString cName = 0;
if ( C == Quantity_Color(Quantity_NOC_GREEN) ) cName = "green";
else if ( C == Quantity_Color(Quantity_NOC_RED) ) cName = "red";
else if ( C == Quantity_Color(Quantity_NOC_BLUE1) ) cName = "blue";
else if ( C == Quantity_Color(Quantity_NOC_YELLOW) ) cName = "yellow";
else if ( C == Quantity_Color(Quantity_NOC_MAGENTA1) ) cName = "magenta";
else if ( C == Quantity_Color(Quantity_NOC_CYAN1) ) cName = "cyan";
else if ( C == Quantity_Color(Quantity_NOC_BLACK) ) cName = "black";
else if ( C == Quantity_Color(Quantity_NOC_WHITE) ) cName = "white";
if ( cName ) {
Handle(StepVisual_DraughtingPreDefinedColour) ColPr;
TCollection_AsciiString aName(cName);
if(DPDCs.IsBound(aName)) {
ColPr = Handle(StepVisual_DraughtingPreDefinedColour)::DownCast(DPDCs.Find(aName));
if(!ColPr.IsNull()) return ColPr;
}
ColPr = new StepVisual_DraughtingPreDefinedColour;
Handle(StepVisual_PreDefinedItem) preDef = new StepVisual_PreDefinedItem;
preDef->Init(new TCollection_HAsciiString(cName));
ColPr->SetPreDefinedItem(preDef);
DPDCs.Bind(aName,ColPr);
return ColPr;
}
else {
Handle(StepVisual_ColourRgb) ColRGB;
gp_Pnt P(C.Red(),C.Green(),C.Blue());
if(ColRGBs.IsBound(P)) {
ColRGB = Handle(StepVisual_ColourRgb)::DownCast(ColRGBs.Find(P));
if(!ColRGB.IsNull()) return ColRGB;
}
Handle(TCollection_HAsciiString) ColName = new TCollection_HAsciiString ( "" );
ColRGB = new StepVisual_ColourRgb;
ColRGB->Init ( ColName, C.Red(), C.Green(), C.Blue() );
ColRGBs.Bind(P,ColRGB);
return ColRGB;
}
}
//=======================================================================
//function : DecodeColor
//purpose :
//=======================================================================
Standard_Boolean STEPConstruct_Styles::DecodeColor (const Handle(StepVisual_Colour) &Colour, Quantity_Color &Col)
{
if ( Colour->IsKind (STANDARD_TYPE(StepVisual_ColourRgb)) ) {
Handle(StepVisual_ColourRgb) rgb = Handle(StepVisual_ColourRgb)::DownCast ( Colour );
if( rgb->Red()>1. || rgb->Green()>1. || rgb->Blue()>1. ) {
Standard_Real norm = rgb->Red();
if(norm<rgb->Green()) norm = rgb->Green();
if(norm<rgb->Blue()) norm = rgb->Blue();
Col.SetValues(rgb->Red()/norm, rgb->Green()/norm,
rgb->Blue()/norm, Quantity_TOC_RGB);
}
else
Col.SetValues(rgb->Red(), rgb->Green(), rgb->Blue(), Quantity_TOC_RGB);
return Standard_True;
}
else if ( Colour->IsKind (STANDARD_TYPE(StepVisual_PreDefinedColour)) ) {
Handle(StepVisual_PreDefinedColour) pdc =
Handle(StepVisual_PreDefinedColour)::DownCast ( Colour );
Handle(StepVisual_PreDefinedItem) pdi = pdc->GetPreDefinedItem();
const TCollection_AsciiString name = pdi->Name()->String();
if ( name.IsEqual ( "red" ) ) Col.SetValues ( Quantity_NOC_RED );
else if ( name.IsEqual ( "green" ) ) Col.SetValues ( Quantity_NOC_GREEN );
else if ( name.IsEqual ( "blue" ) ) Col.SetValues ( Quantity_NOC_BLUE1 );
else if ( name.IsEqual ( "yellow" ) ) Col.SetValues ( Quantity_NOC_YELLOW );
else if ( name.IsEqual ( "magenta" ) ) Col.SetValues ( Quantity_NOC_MAGENTA1 );
else if ( name.IsEqual ( "cyan" ) ) Col.SetValues ( Quantity_NOC_CYAN1 );
else if ( name.IsEqual ( "black" ) ) Col.SetValues ( Quantity_NOC_BLACK );
else if ( name.IsEqual ( "white" ) ) Col.SetValues ( Quantity_NOC_WHITE );
else {
#ifdef DEB
cout << "Error: color name \"" << name << "\" is not recognized" << endl;
#endif
return Standard_False;
}
return Standard_True;
}
return Standard_False;
}
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