mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-04-02 17:46:22 +03:00
a2176e6524
Added Qt sample OCCTOverview providing examples of use of OCCT API with relevant code and demonstration of results in the viewer. Off-topic: some unused images are removed from dox/introduction/images/
411 lines
11 KiB
C++
411 lines
11 KiB
C++
// Copyright (c) 2020 OPEN CASCADE SAS
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//
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// This file is part of the examples of the Open CASCADE Technology software library.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE
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#include "DataExchangeSamples.h"
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#include "MakeBottle.h"
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#include <AIS_ViewCube.hxx>
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#include <AIS_Shape.hxx>
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#include <BRepTools.hxx>
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#include <BRep_Tool.hxx>
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#include <BRep_Builder.hxx>
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#include <Geom_Surface.hxx>
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#include <Geom_Plane.hxx>
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#include <Geom_Line.hxx>
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#include <Graphic3d_TextureEnv.hxx>
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#include <IFSelect_ReturnStatus.hxx>
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#include <IGESControl_Controller.hxx>
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#include <IGESControl_Reader.hxx>
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#include <IGESControl_Writer.hxx>
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#include <Interface_Static.hxx>
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#include <STEPControl_Reader.hxx>
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#include <STEPControl_Writer.hxx>
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#include <StlAPI_Writer.hxx>
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#include <TopExp_Explorer.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Shape.hxx>
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#include <TopoDS_Compound.hxx>
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#include <TopTools_HSequenceOfShape.hxx>
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#include <VrmlAPI_Writer.hxx>
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void DataExchangeSamples::Process (const TCollection_AsciiString& theSampleName)
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{
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if (IsImportSample(theSampleName))
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{
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myObject3d.Clear();
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}
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myObject2d.Clear();
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myCode.Clear();
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myIsProcessed = Standard_False;
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try
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{
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ExecuteSample(theSampleName);
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}
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catch (...)
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{
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TraceError(TCollection_AsciiString("Error in sample: ") + theSampleName);
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}
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}
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void DataExchangeSamples::AppendBottle()
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{
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TopoDS_Shape aBottle = MakeBottle(50, 70, 30);
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Handle(AIS_InteractiveObject) aShape = new AIS_Shape(aBottle);
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myObject3d.Append(aShape);
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Handle(AIS_ViewCube) aViewCube = new AIS_ViewCube();
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myObject3d.Append(aViewCube);
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myResult << "A bottle shape was created." << std::endl;
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}
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void DataExchangeSamples::ExecuteSample (const TCollection_AsciiString& theSampleName)
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{
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Standard_Boolean anIsSamplePresent = Standard_True;
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FindSourceCode(theSampleName);
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if (theSampleName == "BrepExportSample")
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{
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BrepExportSample();
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}
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else if (theSampleName == "StepExportSample")
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{
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StepExportSample();
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}
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else if (theSampleName == "IgesExportSample")
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{
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IgesExportSample();
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}
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else if (theSampleName == "StlExportSample")
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{
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StlExportSample();
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}
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else if (theSampleName == "VrmlExportSample")
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{
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VrmlExportSample();
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}
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else if (theSampleName == "ImageExportSample")
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{
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ImageExportSample();
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}
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else if (theSampleName == "BrepImportSample")
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{
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BrepImportSample();
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}
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else if (theSampleName == "StepImportSample")
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{
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StepImportSample();
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}
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else if (theSampleName == "IgesImportSample")
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{
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IgesImportSample();
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}
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else
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{
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myResult << "No function found: " << theSampleName;
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myCode += TCollection_AsciiString("No function found: ") + theSampleName;
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anIsSamplePresent = Standard_False;
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}
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myIsProcessed = anIsSamplePresent;
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}
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void DataExchangeSamples::BrepExportSample()
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{
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Standard_Boolean anIsShapeExist = Standard_False;
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for (Handle(AIS_InteractiveObject) anObject : myObject3d)
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{
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if (Handle(AIS_Shape) aShape = Handle(AIS_Shape)::DownCast(anObject))
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{
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anIsShapeExist = Standard_True;
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if (BRepTools::Write(aShape->Shape(), myFileName.ToCString()))
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{
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myResult << "A shape was successfully written" << std::endl;
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}
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else
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{
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myResult << "A shape was not written" << std::endl;
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}
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break; // write only one shape
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}
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}
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if (!anIsShapeExist)
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{
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myResult << "A shape does not exist" << std::endl;
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}
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}
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void DataExchangeSamples::StepExportSample()
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{
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if (myStepType < 0)
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{
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myResult << "Unknown step type" << std::endl;
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return;
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}
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IFSelect_ReturnStatus aStatus;
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if (myStepType == STEPControl_FacetedBrep && !CheckFacetedBrep())
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{
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myResult << "At least one shape doesn't contain facets" << std::endl;
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return;
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}
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STEPControl_Writer aStepWriter;
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for (Handle(AIS_InteractiveObject) anObject : myObject3d)
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{
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if (Handle(AIS_Shape) aShape = Handle(AIS_Shape)::DownCast(anObject))
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{
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aStatus = aStepWriter.Transfer(aShape->Shape(), myStepType);
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if (aStatus != IFSelect_RetDone)
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{
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myResult << "A shape was not transferred successfully" << std::endl;
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return;
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}
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}
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}
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aStatus = aStepWriter.Write(myFileName.ToCString());
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switch (aStatus)
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{
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case IFSelect_RetError:
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myResult << "Incorrect Data." << std::endl;
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break;
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case IFSelect_RetFail:
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myResult << "Writing error" << std::endl;
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break;
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case IFSelect_RetVoid:
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myResult << "Nothing to transfer." << std::endl;
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break;
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case IFSelect_RetStop:
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case IFSelect_RetDone:
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myResult << "A STEP file was successfully written" << std::endl;
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break;
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}
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}
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void DataExchangeSamples::IgesExportSample()
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{
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IGESControl_Controller::Init();
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IGESControl_Writer anIgesWriter(Interface_Static::CVal("XSTEP.iges.unit"),
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Interface_Static::IVal("XSTEP.iges.writebrep.mode"));
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Standard_Boolean anIsShapeExist = Standard_False;
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for (Handle(AIS_InteractiveObject) anObject : myObject3d)
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{
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if (Handle(AIS_Shape) aShape = Handle(AIS_Shape)::DownCast(anObject))
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{
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anIsShapeExist = Standard_True;
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anIgesWriter.AddShape(aShape->Shape());
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}
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}
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if (anIsShapeExist)
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{
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anIgesWriter.ComputeModel();
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if (anIgesWriter.Write(myFileName.ToCString()))
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{
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myResult << "A STEP file was successfully written" << std::endl;
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}
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else
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{
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myResult << "A STEP file was not written" << std::endl;
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}
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}
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else
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{
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myResult << "Shapes do not exist" << std::endl;
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}
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}
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void DataExchangeSamples::StlExportSample()
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{
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TopoDS_Compound aTopoCompound;
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BRep_Builder aBuilder;
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aBuilder.MakeCompound(aTopoCompound);
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Standard_Boolean anIsShapeExist = Standard_False;
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for (Handle(AIS_InteractiveObject) anObject : myObject3d)
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{
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if (Handle(AIS_Shape) aShape = Handle(AIS_Shape)::DownCast(anObject))
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{
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anIsShapeExist = Standard_True;
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aBuilder.Add(aTopoCompound, aShape->Shape());
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}
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}
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if (anIsShapeExist)
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{
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StlAPI_Writer aStlWriter;
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if (aStlWriter.Write(aTopoCompound, myFileName.ToCString()))
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{
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myResult << "A STL file was successfully written" << std::endl;
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}
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else
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{
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myResult << "A STL file was not written" << std::endl;
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}
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}
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else
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{
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myResult << "Shapes do not exist" << std::endl;
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}
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}
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void DataExchangeSamples::VrmlExportSample()
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{
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TopoDS_Compound aTopoCompound;
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BRep_Builder aBrepBuilder;
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aBrepBuilder.MakeCompound(aTopoCompound);
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Standard_Boolean anIsShapeExist = Standard_False;
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for (Handle(AIS_InteractiveObject) anObject : myObject3d)
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{
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if (Handle(AIS_Shape) aShape = Handle(AIS_Shape)::DownCast(anObject))
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{
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anIsShapeExist = Standard_True;
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aBrepBuilder.Add(aTopoCompound, aShape->Shape());
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}
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}
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if (anIsShapeExist)
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{
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VrmlAPI_Writer aVrmlWriter;
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if (aVrmlWriter.Write(aTopoCompound, myFileName.ToCString()))
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{
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myResult << "A VRML file was successfully written" << std::endl;
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}
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else
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{
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myResult << "A VRML file was not written" << std::endl;
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}
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}
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else
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{
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myResult << "Shapes do not exist" << std::endl;
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}
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}
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void DataExchangeSamples::ImageExportSample()
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{
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if (myView)
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{
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Standard_Boolean aResult = myView->Dump(myFileName.ToCString());
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if (aResult)
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{
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myResult << "An image file was successfully written" << std::endl;
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}
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else
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{
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myResult << "An image file was not written" << std::endl;
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}
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}
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}
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void DataExchangeSamples::BrepImportSample()
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{
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TopoDS_Shape aTopoShape;
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BRep_Builder aBuilder;
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Standard_Boolean aResult = BRepTools::Read(aTopoShape, myFileName.ToCString(), aBuilder);
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if (aResult)
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{
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Handle(AIS_Shape) anAisShape = new AIS_Shape(aTopoShape);
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myObject3d.Append(anAisShape);
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myResult << "A BREP file was read successfully" << std::endl;
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}
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else
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{
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myResult << "A BREP file was not read successfully" << std::endl;
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}
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}
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void DataExchangeSamples::StepImportSample()
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{
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Handle(TopTools_HSequenceOfShape) aSequence = new TopTools_HSequenceOfShape();
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STEPControl_Reader aReader;
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const IFSelect_ReturnStatus aStatus = aReader.ReadFile(myFileName.ToCString());
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if (aStatus != IFSelect_RetDone)
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{
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myResult << "A BREP file was not read successfully" << std::endl;
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return;
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}
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bool anIsFailsOnly = false;
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aReader.PrintCheckLoad(anIsFailsOnly, IFSelect_ItemsByEntity);
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int aRootsNumber = aReader.NbRootsForTransfer();
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aReader.PrintCheckTransfer(anIsFailsOnly, IFSelect_ItemsByEntity);
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for (Standard_Integer i = 1; i <= aRootsNumber; i++)
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{
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aReader.TransferRoot(i);
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}
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int aShapesNumber = aReader.NbShapes();
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for (int i = 1; i <= aShapesNumber; i++)
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{
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TopoDS_Shape aTopoShape = aReader.Shape(i);
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Handle(AIS_Shape) anAisShape = new AIS_Shape(aTopoShape);
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myObject3d.Append(anAisShape);
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}
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myResult << "A STEP file was read successfully" << std::endl;
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}
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void DataExchangeSamples::IgesImportSample()
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{
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IGESControl_Reader aReader;
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int status = aReader.ReadFile (myFileName.ToCString());
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if (status != IFSelect_RetDone)
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{
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myResult << "A IGES file was not read successfully" << std::endl;
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return;
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}
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aReader.TransferRoots();
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TopoDS_Shape aTopoShape = aReader.OneShape();
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Handle(AIS_Shape) anAisShape = new AIS_Shape (aTopoShape);
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myObject3d.Append(anAisShape);
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myResult << "A IGES file was read successfully" << std::endl;
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}
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Standard_Boolean DataExchangeSamples::CheckFacetedBrep()
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{
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Standard_Boolean anError = Standard_False;
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for (Handle(AIS_InteractiveObject) anObject : myObject3d)
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{
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if (Handle(AIS_Shape) aShape = Handle(AIS_Shape)::DownCast(anObject))
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{
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const TopoDS_Shape aTopoShape = aShape->Shape();
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for (TopExp_Explorer aFaceExplorer(aTopoShape, TopAbs_FACE); aFaceExplorer.More() && !anError; aFaceExplorer.Next())
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{
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Handle(Geom_Surface) aSurface = BRep_Tool::Surface(TopoDS::Face(aFaceExplorer.Current()));
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if (!aSurface->IsKind(STANDARD_TYPE(Geom_Plane)))
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{
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anError = Standard_True;
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}
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}
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for (TopExp_Explorer anEdgeExplorer(aTopoShape, TopAbs_EDGE); anEdgeExplorer.More() && !anError; anEdgeExplorer.Next())
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{
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Standard_Real fd, ld;
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Handle(Geom_Curve) curve = BRep_Tool::Curve(TopoDS::Edge(anEdgeExplorer.Current()), fd, ld);
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if (!curve->IsKind(STANDARD_TYPE(Geom_Line)))
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{
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anError = Standard_True;
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}
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}
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}
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}
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return !anError;
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}
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