mirror of
https://git.dev.opencascade.org/repos/occt.git
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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/
109 lines
3.9 KiB
C++
109 lines
3.9 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 "DocumentCommon.h"
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#include "ApplicationCommon.h"
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#include "Transparency.h"
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#include <Standard_WarningsDisable.hxx>
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#include <QApplication>
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#include <QColor>
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#include <QColorDialog>
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#include <QStatusBar>
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#include <Standard_WarningsRestore.hxx>
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#include <AIS_InteractiveObject.hxx>
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#include <Aspect_DisplayConnection.hxx>
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#include <Graphic3d_NameOfMaterial.hxx>
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#include <OpenGl_GraphicDriver.hxx>
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#include <OSD_Environment.hxx>
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#include <TCollection_AsciiString.hxx>
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// =======================================================================
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// function : Viewer
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// purpose :
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// =======================================================================
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Handle(V3d_Viewer) DocumentCommon::Viewer(const Standard_ExtString,
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const Standard_CString,
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const Standard_Real theViewSize,
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const V3d_TypeOfOrientation theViewProj,
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const Standard_Boolean theComputedMode,
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const Standard_Boolean theDefaultComputedMode)
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{
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static Handle(OpenGl_GraphicDriver) aGraphicDriver;
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if (aGraphicDriver.IsNull())
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{
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Handle(Aspect_DisplayConnection) aDisplayConnection;
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#if !defined(_WIN32) && !defined(__WIN32__) && (!defined(__APPLE__) || defined(MACOSX_USE_GLX))
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aDisplayConnection = new Aspect_DisplayConnection(OSD_Environment("DISPLAY").Value());
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#endif
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aGraphicDriver = new OpenGl_GraphicDriver(aDisplayConnection);
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}
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Handle(V3d_Viewer) aViewer = new V3d_Viewer(aGraphicDriver);
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aViewer->SetDefaultViewSize(theViewSize);
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aViewer->SetDefaultViewProj(theViewProj);
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aViewer->SetComputedMode(theComputedMode);
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aViewer->SetDefaultComputedMode(theDefaultComputedMode);
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return aViewer;
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}
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DocumentCommon::DocumentCommon(ApplicationCommonWindow* theApp)
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: QObject (theApp),
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myContextIsEmpty(true)
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{
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TCollection_ExtendedString a3DName("Visu3D");
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myViewer = Viewer(a3DName.ToExtString(), "", 1000.0, V3d_XposYnegZpos, Standard_True, Standard_True);
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myViewer->SetDefaultLights();
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myViewer->SetLightOn();
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myContext = new AIS_InteractiveContext(myViewer);
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}
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void DocumentCommon::SetObjects (const NCollection_Vector<Handle(AIS_InteractiveObject)>& theObjects,
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Standard_Boolean theDisplayShaded)
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{
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myContext->RemoveAll(Standard_False);
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myContextIsEmpty = theObjects.IsEmpty();
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for (const Handle(AIS_InteractiveObject) anObject : theObjects)
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{
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if (!theDisplayShaded)
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{
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myContext->Display(anObject, Standard_False);
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}
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else
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{
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myContext->Display(anObject, AIS_Shaded, 0, Standard_False);
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}
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}
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myViewer->Redraw();
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}
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void DocumentCommon::Clear()
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{
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myContext->RemoveAll(Standard_True);
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myContextIsEmpty = true;
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}
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