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183 lines
8.2 KiB
C++
183 lines
8.2 KiB
C++
// Created on: 1999-09-10
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// Created by: Andrey BETENEV
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// Copyright (c) 1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _STEPConstruct_Styles_HeaderFile
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#define _STEPConstruct_Styles_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <Standard_Handle.hxx>
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#include <TColStd_SequenceOfTransient.hxx>
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#include <STEPConstruct_Tool.hxx>
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#include <Standard_Integer.hxx>
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#include <TColStd_HSequenceOfTransient.hxx>
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#include <STEPConstruct_DataMapOfAsciiStringTransient.hxx>
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#include <STEPConstruct_DataMapOfPointTransient.hxx>
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class XSControl_WorkSession;
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class StepVisual_StyledItem;
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class StepRepr_RepresentationItem;
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class StepVisual_PresentationStyleAssignment;
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class TopoDS_Shape;
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class StepRepr_RepresentationContext;
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class StepVisual_MechanicalDesignGeometricPresentationRepresentation;
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class StepShape_ContextDependentShapeRepresentation;
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class StepRepr_ProductDefinitionShape;
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class StepVisual_Colour;
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class Quantity_Color;
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//! Provides a mechanism for reading and writing shape styles
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//! (such as color) to and from the STEP file
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//! This tool maintains a list of styles, either taking them
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//! from STEP model (reading), or filling it by calls to
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//! AddStyle or directly (writing).
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//! Some methods deal with general structures of styles and
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//! presentations in STEP, but there are methods which deal
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//! with particular implementation of colors (as described in RP)
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class STEPConstruct_Styles : public STEPConstruct_Tool
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Creates an empty tool
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Standard_EXPORT STEPConstruct_Styles();
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//! Creates a tool and initializes it
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Standard_EXPORT STEPConstruct_Styles(const Handle(XSControl_WorkSession)& WS);
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//! Initializes tool; returns True if succeeded
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Standard_EXPORT Standard_Boolean Init (const Handle(XSControl_WorkSession)& WS);
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//! Returns number of defined styles
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Standard_EXPORT Standard_Integer NbStyles() const;
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//! Returns style with given index
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Standard_EXPORT Handle(StepVisual_StyledItem) Style (const Standard_Integer i) const;
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//! Returns number of override styles
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Standard_EXPORT Standard_Integer NbRootStyles() const;
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//! Returns override style with given index
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Standard_EXPORT Handle(StepVisual_StyledItem) RootStyle (const Standard_Integer i) const;
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//! Clears all defined styles and PSA sequence
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Standard_EXPORT void ClearStyles();
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//! Adds a style to a sequence
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Standard_EXPORT void AddStyle (const Handle(StepVisual_StyledItem)& style);
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//! Create a style linking giving PSA to the item, and add it to the
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//! sequence of stored styles. If Override is not Null, then
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//! the resulting style will be of the subtype OverridingStyledItem.
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Standard_EXPORT Handle(StepVisual_StyledItem) AddStyle (const Handle(StepRepr_RepresentationItem)& item, const Handle(StepVisual_PresentationStyleAssignment)& PSA, const Handle(StepVisual_StyledItem)& Override);
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//! Create a style linking giving PSA to the Shape, and add it to the
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//! sequence of stored styles. If Override is not Null, then
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//! the resulting style will be of the subtype OverridingStyledItem.
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//! The Sape is used to find corresponding STEP entity by call to
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//! STEPConstruct::FindEntity(), then previous method is called.
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Standard_EXPORT Handle(StepVisual_StyledItem) AddStyle (const TopoDS_Shape& Shape, const Handle(StepVisual_PresentationStyleAssignment)& PSA, const Handle(StepVisual_StyledItem)& Override);
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//! Create MDGPR, fill it with all the styles previously defined,
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//! and add it to the model
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Standard_EXPORT Standard_Boolean CreateMDGPR (const Handle(StepRepr_RepresentationContext)& Context,
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Handle(StepVisual_MechanicalDesignGeometricPresentationRepresentation)& MDGPR,
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Handle(StepData_StepModel)& theStepModel);
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//! Create MDGPR, fill it with all the styles previously defined,
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//! and add it to the model
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//! IMPORTANT: <initPDS> must be null when use for NAUO colors
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//! <initPDS> initialised only for SHUO case.
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Standard_EXPORT Standard_Boolean CreateNAUOSRD (const Handle(StepRepr_RepresentationContext)& Context, const Handle(StepShape_ContextDependentShapeRepresentation)& CDSR, const Handle(StepRepr_ProductDefinitionShape)& initPDS);
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//! Searches the STEP model for the RepresentationContext in which
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//! given shape is defined. This context (if found) can be used
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//! then in call to CreateMDGPR()
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Standard_EXPORT Handle(StepRepr_RepresentationContext) FindContext (const TopoDS_Shape& Shape) const;
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//! Searches the STEP model for the MDGPR or DM entities
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//! (which bring styles) and fills sequence of styles
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Standard_EXPORT Standard_Boolean LoadStyles();
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//! Searches the STEP model for the INISIBILITY entities
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//! (which bring styles) and fills out sequence of styles
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Standard_EXPORT Standard_Boolean LoadInvisStyles (Handle(TColStd_HSequenceOfTransient)& InvSyles) const;
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//! Create a PresentationStyleAssignment entity which defines
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//! two colors (for filling surfaces and curves)
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//! if isForNAUO true then returns PresentationStyleByContext
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Standard_EXPORT Handle(StepVisual_PresentationStyleAssignment) MakeColorPSA (const Handle(StepRepr_RepresentationItem)& item, const Handle(StepVisual_Colour)& SurfCol, const Handle(StepVisual_Colour)& CurveCol, const Handle(StepVisual_Colour) &RenderCol, const Standard_Real RenderTransp, const Standard_Boolean isForNAUO = Standard_False) const;
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//! Returns a PresentationStyleAssignment entity which defines
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//! surface and curve colors as Col. This PSA is either created
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//! or taken from internal map where all PSAs created by this
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//! method are remembered.
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Standard_EXPORT Handle(StepVisual_PresentationStyleAssignment) GetColorPSA (const Handle(StepRepr_RepresentationItem)& item, const Handle(StepVisual_Colour)& Col);
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//! Extract color definitions from the style entity
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//! For each type of color supported, result can be either
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//! NULL if it is not defined by that style, or last
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//! definition (if they are 1 or more)
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Standard_EXPORT Standard_Boolean GetColors (const Handle(StepVisual_StyledItem)& style, Handle(StepVisual_Colour)& SurfCol, Handle(StepVisual_Colour)& BoundCol, Handle(StepVisual_Colour)& CurveCol, Handle(StepVisual_Colour)& RenderCol, Standard_Real& RenderTransp, Standard_Boolean& IsComponent) const;
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//! Create STEP color entity by given Quantity_Color
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//! The analysis is performed for whether the color corresponds to
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//! one of standard colors predefined in STEP. In that case,
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//! PredefinedColour entity is created instead of RGBColour
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Standard_EXPORT static Handle(StepVisual_Colour) EncodeColor (const Quantity_Color& Col);
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//! Create STEP color entity by given Quantity_Color
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//! The analysis is performed for whether the color corresponds to
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//! one of standard colors predefined in STEP. In that case,
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//! PredefinedColour entity is created instead of RGBColour
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Standard_EXPORT static Handle(StepVisual_Colour) EncodeColor (const Quantity_Color& Col, STEPConstruct_DataMapOfAsciiStringTransient& DPDCs, STEPConstruct_DataMapOfPointTransient& ColRGBs);
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//! Decodes STEP color and fills the Quantity_Color.
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//! Returns True if OK or False if color is not recognized
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Standard_EXPORT static Standard_Boolean DecodeColor (const Handle(StepVisual_Colour)& Colour, Quantity_Color& Col);
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protected:
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private:
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TColStd_IndexedDataMapOfTransientTransient myMapOfStyles;
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TColStd_IndexedMapOfTransient myStyles;
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TColStd_IndexedMapOfTransient myRootStyles;
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TColStd_SequenceOfTransient myPSA;
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};
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#endif // _STEPConstruct_Styles_HeaderFile
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