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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/
78 lines
2.9 KiB
C++
78 lines
2.9 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 "AdaptorVec_AIS.h"
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#include <Graphic3d_ArrayOfSegments.hxx>
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#include <Prs3d_ArrowAspect.hxx>
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#include <Prs3d_LineAspect.hxx>
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#include <Prs3d_Arrow.hxx>
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#include <Prs3d_Text.hxx>
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AdaptorVec_AIS::AdaptorVec_AIS (const gp_Pnt2d& thePnt1,
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const gp_Pnt2d& thePnt2,
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Standard_Real theArrowLength)
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: myPnt (gp_Pnt (thePnt1.X(), thePnt1.Y(), 0.0)),
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myLength (0.0),
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myArrowLength (theArrowLength)
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{
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gp_Vec aVec (thePnt2.X() - thePnt1.X(), thePnt2.Y() - thePnt1.Y(), 0.0);
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myDir = gp_Dir(aVec);
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myLength = aVec.Magnitude();
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}
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void AdaptorVec_AIS::Compute (const Handle(PrsMgr_PresentationManager3d)& ,
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const Handle(Prs3d_Presentation)& thePrs,
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const Standard_Integer theMode)
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{
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if (theMode != 0)
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{
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return;
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}
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// Set style for arrow
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Handle(Prs3d_ArrowAspect) anArrowAspect = myDrawer->ArrowAspect();
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anArrowAspect->SetLength(myArrowLength);
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gp_Pnt aLastPoint = myPnt;
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aLastPoint.Translate(myLength*gp_Vec(myDir));
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// Draw Line
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{
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Handle(Graphic3d_Group) aLineGroup = thePrs->NewGroup();
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aLineGroup->SetGroupPrimitivesAspect (myDrawer->LineAspect()->Aspect());
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Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2);
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aPrims->AddVertex(myPnt);
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aPrims->AddVertex(aLastPoint);
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aLineGroup->AddPrimitiveArray(aPrims);
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// Draw arrow
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Prs3d_Arrow::Draw (aLineGroup, aLastPoint, myDir, anArrowAspect->Angle(), anArrowAspect->Length());
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}
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// Draw text
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if (!myText.IsEmpty())
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{
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gp_Pnt aTextPosition = aLastPoint;
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Prs3d_Text::Draw (thePrs->NewGroup(), myDrawer->TextAspect(), myText, aTextPosition);
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}
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}
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