| 1 | // Created by: GG |
| 2 | // Copyright (c) 1991-1999 Matra Datavision |
| 3 | // Copyright (c) 1999-2013 OPEN CASCADE SAS |
| 4 | // |
| 5 | // The content of this file is subject to the Open CASCADE Technology Public |
| 6 | // License Version 6.5 (the "License"). You may not use the content of this file |
| 7 | // except in compliance with the License. Please obtain a copy of the License |
| 8 | // at http://www.opencascade.org and read it completely before using this file. |
| 9 | // |
| 10 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its |
| 11 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. |
| 12 | // |
| 13 | // The Original Code and all software distributed under the License is |
| 14 | // distributed on an "AS IS" basis, without warranty of any kind, and the |
| 15 | // Initial Developer hereby disclaims all such warranties, including without |
| 16 | // limitation, any warranties of merchantability, fitness for a particular |
| 17 | // purpose or non-infringement. Please see the License for the specific terms |
| 18 | // and conditions governing the rights and limitations under the License. |
| 19 | |
| 20 | #include <V3d_Plane.hxx> |
| 21 | #include <Graphic3d_Group.hxx> |
| 22 | #include <Graphic3d_AspectFillArea3d.hxx> |
| 23 | #include <Graphic3d_ArrayOfQuadrangles.hxx> |
| 24 | #include <gp_Pln.hxx> |
| 25 | |
| 26 | IMPLEMENT_STANDARD_HANDLE(V3d_Plane, MMgt_TShared) |
| 27 | IMPLEMENT_STANDARD_RTTIEXT(V3d_Plane, MMgt_TShared) |
| 28 | |
| 29 | // ======================================================================= |
| 30 | // function : V3d_Plane |
| 31 | // purpose : |
| 32 | // ======================================================================= |
| 33 | V3d_Plane::V3d_Plane (const Standard_Real theA, |
| 34 | const Standard_Real theB, |
| 35 | const Standard_Real theC, |
| 36 | const Standard_Real theD) |
| 37 | : myGraphicStructure(), |
| 38 | myPlane (new Graphic3d_ClipPlane (gp_Pln (theA, theB, theC, theD))) |
| 39 | { |
| 40 | } |
| 41 | |
| 42 | // ======================================================================= |
| 43 | // function : V3d_Plane |
| 44 | // purpose : |
| 45 | // ======================================================================= |
| 46 | void V3d_Plane::SetPlane (const Standard_Real theA, |
| 47 | const Standard_Real theB, |
| 48 | const Standard_Real theC, |
| 49 | const Standard_Real theD) |
| 50 | { |
| 51 | myPlane->SetEquation (gp_Pln (theA, theB, theC, theD)); |
| 52 | if (IsDisplayed()) |
| 53 | { |
| 54 | Update(); |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | // ======================================================================= |
| 59 | // function : Display |
| 60 | // purpose : |
| 61 | // ======================================================================= |
| 62 | void V3d_Plane::Display (const Handle(V3d_View)& theView, |
| 63 | const Quantity_Color& theColor) |
| 64 | { |
| 65 | Handle(V3d_Viewer) aViewer = theView->Viewer(); |
| 66 | if (!myGraphicStructure.IsNull()) |
| 67 | { |
| 68 | myGraphicStructure->Clear(); |
| 69 | } |
| 70 | |
| 71 | myGraphicStructure = new Graphic3d_Structure (aViewer->Viewer()); |
| 72 | Handle(Graphic3d_Group) aGroup = new Graphic3d_Group (myGraphicStructure); |
| 73 | Handle(Graphic3d_AspectFillArea3d) anAsp = new Graphic3d_AspectFillArea3d(); |
| 74 | Graphic3d_MaterialAspect aPlastic (Graphic3d_NOM_PLASTIC); |
| 75 | aPlastic.SetColor (theColor); |
| 76 | aPlastic.SetTransparency (0.5); |
| 77 | theView->SetTransparency (Standard_True); |
| 78 | anAsp->SetFrontMaterial (aPlastic); |
| 79 | anAsp->SetInteriorStyle (Aspect_IS_HATCH); |
| 80 | anAsp->SetHatchStyle (Aspect_HS_GRID_DIAGONAL_WIDE); |
| 81 | myGraphicStructure->SetPrimitivesAspect (anAsp); |
| 82 | |
| 83 | const Standard_ShortReal aSize = (Standard_ShortReal)(0.5*aViewer->DefaultViewSize()); |
| 84 | const Standard_ShortReal anOffset = aSize/5000.0f; |
| 85 | |
| 86 | Handle(Graphic3d_ArrayOfQuadrangles) aPrims = new Graphic3d_ArrayOfQuadrangles(4); |
| 87 | aPrims->AddVertex (-aSize,-aSize, anOffset); |
| 88 | aPrims->AddVertex (-aSize, aSize, anOffset); |
| 89 | aPrims->AddVertex ( aSize, aSize, anOffset); |
| 90 | aPrims->AddVertex ( aSize,-aSize, anOffset); |
| 91 | aGroup->AddPrimitiveArray(aPrims); |
| 92 | |
| 93 | myGraphicStructure->Display(0); |
| 94 | Update(); |
| 95 | } |
| 96 | |
| 97 | // ======================================================================= |
| 98 | // function : Erase |
| 99 | // purpose : |
| 100 | // ======================================================================= |
| 101 | void V3d_Plane::Erase() |
| 102 | { |
| 103 | if (!myGraphicStructure.IsNull()) |
| 104 | { |
| 105 | myGraphicStructure->Erase(); |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | // ======================================================================= |
| 110 | // function : Plane |
| 111 | // purpose : |
| 112 | // ======================================================================= |
| 113 | void V3d_Plane::Plane (Standard_Real& theA, Standard_Real& theB, Standard_Real& theC, Standard_Real& theD) const |
| 114 | { |
| 115 | const Graphic3d_ClipPlane::Equation& anEquation = myPlane->GetEquation(); |
| 116 | theA = anEquation[0]; |
| 117 | theB = anEquation[1]; |
| 118 | theC = anEquation[2]; |
| 119 | theD = anEquation[3]; |
| 120 | } |
| 121 | |
| 122 | // ======================================================================= |
| 123 | // function : IsDisplayed |
| 124 | // purpose : |
| 125 | // ======================================================================= |
| 126 | Standard_Boolean V3d_Plane::IsDisplayed() const |
| 127 | { |
| 128 | if (myGraphicStructure.IsNull()) |
| 129 | { |
| 130 | return Standard_False; |
| 131 | } |
| 132 | |
| 133 | return myGraphicStructure->IsDisplayed(); |
| 134 | } |
| 135 | |
| 136 | // ======================================================================= |
| 137 | // function : Update |
| 138 | // purpose : |
| 139 | // ======================================================================= |
| 140 | void V3d_Plane::Update() |
| 141 | { |
| 142 | if(!myGraphicStructure.IsNull()) |
| 143 | { |
| 144 | TColStd_Array2OfReal aMatrix (1, 4, 1, 4); |
| 145 | Standard_Real theA, theB, theC, theD; |
| 146 | this->Plane(theA, theB, theC, theD); |
| 147 | gp_Pln aGeomPln (theA, theB, theC, theD); |
| 148 | gp_Trsf aTransform; |
| 149 | aTransform.SetTransformation (aGeomPln.Position()); |
| 150 | aTransform.Invert(); |
| 151 | for (Standard_Integer i = 1; i <= 3; i++) |
| 152 | { |
| 153 | for (Standard_Integer j = 1; j <= 4; j++) |
| 154 | { |
| 155 | aMatrix.SetValue (i, j, aTransform.Value (i,j)); |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | aMatrix.SetValue (4,1,0.); |
| 160 | aMatrix.SetValue (4,2,0.); |
| 161 | aMatrix.SetValue (4,3,0.); |
| 162 | aMatrix.SetValue (4,4,1.); |
| 163 | myGraphicStructure->SetTransform (aMatrix, Graphic3d_TOC_REPLACE); |
| 164 | } |
| 165 | } |