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exploring/appearance/main.cxx

Refer to the Appearance Example.

// ****************************************************************************
// $Id$
//
// Copyright (C) 2008-2014, Roman Lygin. All rights reserved.
// Copyright (C) 2014-2021, CADEX. All rights reserved.
//
// This file is part of the CAD Exchanger software.
//
// You may use this file under the terms of the BSD license as follows:
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// ****************************************************************************
#include <cadex/LicenseManager_Activate.h>
#include <cadex/ModelData_Appearance.hxx>
#include <cadex/ModelData_BRepRepresentation.hxx>
#include <cadex/ModelData_Model.hxx>
#include <cadex/ModelData_Part.hxx>
#include <cadex/ModelData_PolyRepresentation.hxx>
#include <cadex/ModelData_PolyShape.hxx>
#include <cadex/ModelData_PolyShapeList.hxx>
#include <cadex/ModelData_PolyVertexSet.hxx>
#include <cadex/ModelData_SceneGraphElement.hxx>
#include <iostream>
#include <unordered_set>
#include "../../cadex_license.cxx"
using namespace std;
using namespace cadex;
// AppearanceHash value depends on color, material and other properties of appearance
typedef unordered_set<ModelData_Appearance, ModelData_AppearanceHash> AppSetType;
class SubshapeAppearancesCollector : public ModelData_BRepRepresentation::SubshapeVisitor
{
public:
SubshapeAppearancesCollector (const ModelData_BRepRepresentation& theBRep, AppSetType& theAppSet) :
myBRep (theBRep), myAppSet (theAppSet) {}
protected:
void operator() (const ModelData_Shape& theShape) override
{
ExploreShapeAppearances (theShape);
}
private:
// Iterates through Shapes to collect it's appearances
void ExploreShapeAppearances (const ModelData_Shape& theShape)
{
ModelData_Appearance anApp = myBRep.Appearance (theShape);
if (anApp) {
myAppSet.insert (anApp);
}
}
AppSetType& myAppSet;
};
class RepVisitor : public ModelData_Part::RepresentationVisitor
{
public:
RepVisitor (AppSetType& theAppSet) : myAppSet (theAppSet) {}
protected:
void operator() (const ModelData_BRepRepresentation& theBRep) override
{
SubshapeAppearancesCollector aCollector (theBRep, myAppSet);
theBRep.Accept (aCollector);
}
void operator() (const ModelData_PolyRepresentation& thePolyRep) override
{
ExplorePVSAppearances (thePolyRep);
}
private:
// Iterates through PolyShapes to collect it's appearances
void ExplorePVSAppearances (const ModelData_PolyRepresentation& thePolyRep)
{
const ModelData_PolyShapeList& aList = thePolyRep.Get();
for (ModelData_PolyShapeList::SizeType i = 0; i < aList.Size(); ++i) {
const ModelData_PolyVertexSet& aPVS = aList[i];
ModelData_Appearance anApp = aPVS.Appearance();
if (anApp) {
myAppSet.insert (anApp);
}
}
}
AppSetType& myAppSet;
};
class SGEAppearancesCollector : public ModelData_Model::CombinedElementVisitor
{
public:
SGEAppearancesCollector (AppSetType& theAppset) : myAppSet (theAppset) {}
protected:
void operator() (const ModelData_Part& thePart) override
{
ExploreSGEAppearance (thePart);
RepVisitor aVisitor (myAppSet);
thePart.Accept (aVisitor);
}
bool VisitEnter (const ModelData_SceneGraphElement& theElement) override
{
ExploreSGEAppearance (theElement);
return true;
}
private:
// Collects SceneGraphElement appearance
void ExploreSGEAppearance (const ModelData_SceneGraphElement& theSGE)
{
ModelData_Appearance anApp = theSGE.Appearance();
if (anApp) {
myAppSet.insert (anApp);
}
}
AppSetType& myAppSet;
};
class AppearancesCollector
{
public:
AppearancesCollector (ModelData_Model theModel) : myModel (theModel)
{
SGEAppearancesCollector aCollector (myAppSet);
myModel.Accept (aCollector);
}
void PrintAppearancesCount()
{
cout << "Total Model Unique Appearances Count: " << myAppSet.size() << endl;
}
private:
AppSetType myAppSet;
ModelData_Model myModel;
};
int main (int argc, char *argv[])
{
auto aKey = LicenseKey::Value();
// Activate the license (aKey must be defined in cadex_license.cxx)
if (!CADExLicense_Activate (aKey)) {
cerr << "Failed to activate CAD Exchanger license." << endl;
return 1;
}
if (argc != 2) {
cerr << "Usage: " << argv[0] << " <input_file>, where:" << endl;
cerr << " <input_file> is a name of the XML file to be read" << endl;
return 1;
}
const char* aSource = argv[1];
if (!aModel.Open (aSource)) {
cerr << "Failed to read the file " << aSource << endl;
return 1;
}
// Explore model's appearances
AppearancesCollector aCollector (aModel);
// Print the number of unique appearances in our model
aCollector.PrintAppearancesCount();
return 0;
}