0024166: Unable to create file with "Save" menu of voxeldemo Qt sample
[occt.git] / src / V3d / V3d_SpotLight.cxx
CommitLineData
b311480e 1// Copyright (c) 1999-2012 OPEN CASCADE SAS
2//
3// The content of this file is subject to the Open CASCADE Technology Public
4// License Version 6.5 (the "License"). You may not use the content of this file
5// except in compliance with the License. Please obtain a copy of the License
6// at http://www.opencascade.org and read it completely before using this file.
7//
8// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
9// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
10//
11// The Original Code and all software distributed under the License is
12// distributed on an "AS IS" basis, without warranty of any kind, and the
13// Initial Developer hereby disclaims all such warranties, including without
14// limitation, any warranties of merchantability, fitness for a particular
15// purpose or non-infringement. Please see the License for the specific terms
16// and conditions governing the rights and limitations under the License.
17
7fd59977 18/***********************************************************************
19
20 FONCTION :
21 ----------
22 Classe V3d_SpotLight :
23
24 HISTORIQUE DES MODIFICATIONS :
25 --------------------------------
26 00-09-92 : GG ; Creation.
27 18-06-96 : FMN ; Ajout MyGraphicStructure1 pour sauvegarder snopick
28 30-03-98 : ZOV ; PRO6774 (reconstruction of the class hierarchy and suppressing useless methods)
29 02.15.100 : JR : Clutter
30
31************************************************************************/
32
33/*----------------------------------------------------------------------*/
34/*
35 * Includes
36 */
37
38#include <V3d.hxx>
39#include <V3d_SpotLight.ixx>
40#include <Graphic3d_Vector.hxx>
41#include <Graphic3d_Vertex.hxx>
42#include <Graphic3d_Structure.hxx>
43#include <Graphic3d_Group.hxx>
b8ddfc2f 44#include <Graphic3d_ArrayOfSegments.hxx>
7fd59977 45#include <Graphic3d_AspectMarker3d.hxx>
46#include <Graphic3d_AspectLine3d.hxx>
47#include <Graphic3d_AspectText3d.hxx>
48#include <Visual3d_Light.hxx>
49#include <Visual3d_ViewManager.hxx>
50#include <Visual3d_ContextPick.hxx>
51#include <Visual3d_PickDescriptor.hxx>
52#include <Visual3d_HSequenceOfPickPath.hxx>
53#include <Visual3d_PickPath.hxx>
54#include <gp_Dir.hxx>
55#include <gp_Ax1.hxx>
56#include <gp_Vec.hxx>
57#include <gp_Pnt.hxx>
58#include <gp_Trsf.hxx>
59#include <TCollection_AsciiString.hxx>
60
7fd59977 61V3d_SpotLight::V3d_SpotLight(const Handle(V3d_Viewer)& VM, const Standard_Real X, const Standard_Real Y, const Standard_Real Z, const V3d_TypeOfOrientation Direction, const Quantity_NameOfColor Name, const Standard_Real A1, const Standard_Real A2, const Standard_Real CN, const Standard_Real AN):V3d_PositionLight(VM) {
62
6942f04a 63 V3d_BadValue_Raise_if( A1 < 0 || A1 > 1. || A2 < 0 || A2 > 1
c6541a0c 64 || AN < 0. || AN > M_PI, "V3d_SpotLight, bad coefficient or angle");
7fd59977 65
66 Quantity_Color C(Name) ;
67 Graphic3d_Vector D = V3d::GetProjAxis(Direction) ;
68 Graphic3d_Vertex P(X,Y,Z) ;
69 Graphic3d_Vertex T;
70
71 MyType = V3d_SPOT ;
72 MyLight = new Visual3d_Light(C,P,D,CN,A1,A2,AN) ;
81bba717 73 // The target is fixed, starting from the light position and the direction.
7fd59977 74 T.SetCoord(X + D.X(), Y + D.Y(), Z + D.Z());
75 MyTarget = T;
76}
77
78V3d_SpotLight::V3d_SpotLight(const Handle(V3d_Viewer)& VM, const Standard_Real Xt, const Standard_Real Yt, const Standard_Real Zt, const Standard_Real Xp, const Standard_Real Yp, const Standard_Real Zp, const Quantity_NameOfColor Name, const Standard_Real A1, const Standard_Real A2, const Standard_Real CN, const Standard_Real AN):V3d_PositionLight(VM) {
79
6942f04a 80 V3d_BadValue_Raise_if( A1 < 0 || A1 > 1. || A2 < 0 || A2 > 1
c6541a0c 81 || AN < 0. || AN > M_PI, "V3d_SpotLight, bad coefficient or angle");
7fd59977 82
83 Quantity_Color C(Name) ;
84 Graphic3d_Vertex T(Xt,Yt,Zt) ;
85 Graphic3d_Vertex P(Xp,Yp,Zp) ;
86 Graphic3d_Vector D(P,T);
87
88 MyType = V3d_SPOT ;
89 D.Normalize();
90 MyLight = new Visual3d_Light(C,P,D,CN,A1,A2,AN) ;
91 MyTarget = T;
92 // La Structure graphique sera initialisee lors de l'affichage.
93}
94
95
96//-Methods, in order
97
98void V3d_SpotLight::SetPosition(const Standard_Real Xp, const Standard_Real Yp, const Standard_Real Zp) {
99 MyLight->SetPosition (Graphic3d_Vertex (Xp,Yp,Zp));
100}
101
102void V3d_SpotLight::SetDirection(const Standard_Real Vx, const Standard_Real Vy, const Standard_Real Vz) {
103
104 Graphic3d_Vector D ;
105 D.SetCoord(Vx,Vy,Vz) ; D.Normalize() ;
106 MyLight->SetDirection(D) ;
107}
108
109void V3d_SpotLight::SetDirection(const V3d_TypeOfOrientation Direction) {
110
111 Graphic3d_Vector D = V3d::GetProjAxis(Direction) ;
112 MyLight->SetDirection(D) ;
113}
114
115void V3d_SpotLight::SetAttenuation(const Standard_Real A1, const Standard_Real A2) {
116
6942f04a 117 V3d_BadValue_Raise_if( A1 < 0 || A1 > 1. || A2 < 0 || A2 > 1 ,
7fd59977 118 "V3d_SpotLight::SetAttenuation, bad coefficients");
119
120 MyLight->SetAttenuation1(A1) ;
121 MyLight->SetAttenuation2(A2) ;
122}
123
124void V3d_SpotLight::SetConcentration(const Standard_Real C) {
125
126
6942f04a 127 V3d_BadValue_Raise_if( C < 0 || C > 1.,
7fd59977 128 "V3d_SpotLight::SetConcentration, bad coefficient");
129
130 MyLight->SetConcentration(C) ;
131}
132
133void V3d_SpotLight::SetAngle(const Standard_Real Angle) {
134
6942f04a 135 V3d_BadValue_Raise_if( Angle <= 0. || Angle >= M_PI,
7fd59977 136 "V3d_SpotLight::SetAngle, bad angle");
137 MyLight->SetAngle(Angle) ;
138
139}
140
141void V3d_SpotLight::Direction(Standard_Real& Vx, Standard_Real& Vy, Standard_Real& Vz)const {
142
143 Quantity_Color C ;
144 Graphic3d_Vector D ;
145 Graphic3d_Vertex P ;
146 Standard_Real CN,A1,A2,AN ;
147
148 MyLight->Values(C,P,D,CN,A1,A2,AN) ;
149 D.Coord(Vx,Vy,Vz) ;
150}
151
152void V3d_SpotLight::Position(Standard_Real& Xp, Standard_Real& Yp, Standard_Real& Zp)const {
153
154 Quantity_Color C ;
155 Graphic3d_Vector D ;
156 Graphic3d_Vertex P ;
157 Standard_Real CN,A1,A2,AN ;
158
159 MyLight->Values(C,P,D,CN,A1,A2,AN) ;
160 P.Coord(Xp,Yp,Zp) ;
161}
162
163void V3d_SpotLight::Attenuation(Standard_Real& A1, Standard_Real& A2) const {
164 Quantity_Color C ;
165 Graphic3d_Vector D ;
166 Graphic3d_Vertex P ;
167 Standard_Real CN,AN ;
168
169 MyLight->Values(C,P,D,CN,A1,A2,AN) ;
170}
171
b8ddfc2f 172Standard_Real V3d_SpotLight::Concentration()const
173{
7fd59977 174 Quantity_Color C ;
175 Graphic3d_Vector D ;
176 Graphic3d_Vertex P ;
177 Standard_Real AN,A1,A2,CN ;
178
179 MyLight->Values(C,P,D,CN,A1,A2,AN) ;
180 return CN ;
181}
182
b8ddfc2f 183Standard_Real V3d_SpotLight::Angle()const
184{
7fd59977 185 Quantity_Color C ;
186 Graphic3d_Vector D ;
187 Graphic3d_Vertex P ;
188 Standard_Real CN,A1,A2,AN ;
189
190 MyLight->Values(C,P,D,CN,A1,A2,AN) ;
191 return AN ;
192}
193
194void V3d_SpotLight::Symbol (const Handle(Graphic3d_Group)& gsymbol,
b8ddfc2f 195 const Handle(V3d_View)& ) const
196{
197 Standard_Real X,Y,Z;
7fd59977 198 Standard_Real DX,DY,DZ;
7fd59977 199 this->Position(X,Y,Z);
200 this->Direction(DX,DY,DZ);
b8ddfc2f 201
202 V3d::ArrowOfRadius(gsymbol,X,Y,Z,-DX,-DY,-DZ,M_PI/8.,this->Radius()/15.);
7fd59977 203}
204
205void V3d_SpotLight::Display( const Handle(V3d_View)& aView,
b8ddfc2f 206 const V3d_TypeOfRepresentation TPres)
207{
7fd59977 208 Graphic3d_Vertex PText ;
209 Standard_Real X,Y,Z,Rayon;
210 Standard_Real X0,Y0,Z0,VX,VY,VZ;
211 Standard_Real X1,Y1,Z1;
212 Standard_Real DXRef,DYRef,DZRef,DXini,DYini,DZini;
213 Standard_Real R1,G1,B1;
214 V3d_TypeOfRepresentation Pres;
215 V3d_TypeOfUpdate UpdSov;
216
81bba717 217// Creation of a structure slight of markable elements (position of the
218// light, and the domain of lighting represented by a circle)
219// Creation of a structure snopick of non-markable elements (target, meridian and
220// parallel).//
7fd59977 221
b8ddfc2f 222 Pres = TPres;
223 Handle(V3d_Viewer) TheViewer = aView->Viewer();
224 UpdSov = TheViewer->UpdateMode();
225 TheViewer->SetUpdateMode(V3d_WAIT);
226 if (!MyGraphicStructure.IsNull()) {
227 MyGraphicStructure->Disconnect(MyGraphicStructure1);
228 MyGraphicStructure->Clear();
229 MyGraphicStructure1->Clear();
230 if (Pres == V3d_SAMELAST) Pres = MyTypeOfRepresentation;
231 }
232 else {
233 if (Pres == V3d_SAMELAST) Pres = V3d_SIMPLE;
234 Handle(Graphic3d_Structure) slight = new Graphic3d_Structure(TheViewer->Viewer());
235 MyGraphicStructure = slight;
236 Handle(Graphic3d_Structure) snopick = new Graphic3d_Structure(TheViewer->Viewer());
237 MyGraphicStructure1 = snopick;
238 }
239
7fd59977 240 Handle(Graphic3d_Group) gradius;
241 Handle(Graphic3d_Group) gExtArrow;
242 Handle(Graphic3d_Group) gIntArrow;
243 if (Pres == V3d_COMPLETE) {
244 gradius = new Graphic3d_Group(MyGraphicStructure);
245 gExtArrow = new Graphic3d_Group(MyGraphicStructure);
246 gIntArrow = new Graphic3d_Group(MyGraphicStructure);
247 }
248 Handle(Graphic3d_Group) glight = new Graphic3d_Group(MyGraphicStructure);
249 Handle(Graphic3d_Group) gsphere;
250 if (Pres == V3d_COMPLETE || Pres == V3d_PARTIAL) gsphere = new Graphic3d_Group(MyGraphicStructure);
251
252 Handle(Graphic3d_Group) gnopick = new Graphic3d_Group(MyGraphicStructure1);
253 MyGraphicStructure1->SetPick(Standard_False);
254
255 X0 = MyTarget.X();
256 Y0 = MyTarget.Y();
257 Z0 = MyTarget.Z();
258
81bba717 259//Display of the position of the light.
7fd59977 260
7fd59977 261 this->Color(Quantity_TOC_RGB,R1,G1,B1);
262 Quantity_Color Col1(R1,G1,B1,Quantity_TOC_RGB);
263 Handle(Graphic3d_AspectLine3d) Asp1 = new Graphic3d_AspectLine3d();
264 Asp1->SetColor(Col1);
265 glight->SetPrimitivesAspect(Asp1);
266 this->Symbol(glight,aView);
267
81bba717 268// Display of the reference sphere (limited by circle).
7fd59977 269
270 if (Pres == V3d_COMPLETE || Pres == V3d_PARTIAL) {
271
272 Rayon = this->Radius();
273 aView->Proj(VX,VY,VZ);
7fd59977 274 V3d::CircleInPlane(gsphere,X0,Y0,Z0,VX,VY,VZ,Rayon);
275
81bba717 276// Display of the radius of the sphere (line + text)
7fd59977 277
278 if (Pres == V3d_COMPLETE) {
7fd59977 279 this->Position(X,Y,Z);
b8ddfc2f 280 Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2);
281 aPrims->AddVertex(X0,Y0,Z0);
282 aPrims->AddVertex(X,Y,Z);
283 gnopick->AddPrimitiveArray(aPrims);
284 V3d::ArrowOfRadius(gExtArrow,X-.1*(X-X0),Y-.1*(Y-Y0),Z-.1*(Z-Z0),X-X0,Y-Y0,Z-Z0,M_PI/15.,Rayon/20.);
285 V3d::ArrowOfRadius(gIntArrow,X0,Y0,Z0,X0-X,Y0-Y,Z0-Z,M_PI/15.,Rayon/20.);
7fd59977 286 TCollection_AsciiString ValOfRadius(Rayon);
b8ddfc2f 287 PText.SetCoord( .5*(X0+X), .5*(Y0+Y), .5*(Z0+Z) );
7fd59977 288 gradius->Text(ValOfRadius.ToCString(),PText,0.01);
289 }
290
81bba717 291// Display of the meridian
7fd59977 292
293 Quantity_Color Col2(Quantity_NOC_GREEN);
b8ddfc2f 294 Handle(Graphic3d_AspectLine3d) Asp2 = new Graphic3d_AspectLine3d(Col2,Aspect_TOL_SOLID,1.);
7fd59977 295 gnopick->SetPrimitivesAspect(Asp2);
296
81bba717 297// Definition of the axis of the circle
7fd59977 298 aView->Up(DXRef,DYRef,DZRef);
299 this->Position(X,Y,Z);
300 DXini = X-X0; DYini = Y-Y0; DZini = Z-Z0;
301 VX = DYRef*DZini - DZRef*DYini;
302 VY = DZRef*DXini - DXRef*DZini;
303 VZ = DXRef*DYini - DYRef*DXini;
304
305 V3d::CircleInPlane(gnopick,X0,Y0,Z0,VX,VY,VZ,Rayon);
306
81bba717 307// Display of the parallel
7fd59977 308
81bba717 309// Definition of the axis of the circle
7fd59977 310 aView->Proj(VX,VY,VZ);
311 aView->Up(X1,Y1,Z1);
312 DXRef = VY * Z1 - VZ * Y1;
313 DYRef = VZ * X1 - VX * Z1;
314 DZRef = VX * Y1 - VY * X1;
315 this->Position(X,Y,Z);
316 DXini = X-X0; DYini = Y-Y0; DZini = Z-Z0;
317 VX = DYRef*DZini - DZRef*DYini;
318 VY = DZRef*DXini - DXRef*DZini;
319 VZ = DXRef*DYini - DYRef*DXini;
320
321 V3d::CircleInPlane(gnopick,X0,Y0,Z0,VX,VY,VZ,Rayon);
7fd59977 322 }
323
324 MyGraphicStructure->Connect(MyGraphicStructure1,Graphic3d_TOC_DESCENDANT);
325 MyTypeOfRepresentation = Pres;
326 MyGraphicStructure->Display();
327 TheViewer->SetUpdateMode(UpdSov);
328}