1 // Copyright (C) 2014-2021 CEA/DEN, EDF R&D, OPEN CASCADE
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
21 #include "OCCViewer_Utilities.h"
22 #include "OCCViewer_ViewFrame.h"
23 #include "OCCViewer_ViewModel.h"
24 #include "OCCViewer_ViewPort3d.h"
26 #include "SUIT_ViewManager.h"
27 #include "QtxActionToolMgr.h"
28 #include "QtxMultiAction.h"
30 #include <Basics_OCCTVersion.hxx>
33 #include <V3d_View.hxx>
34 #include <Graphic3d_MapIteratorOfMapOfStructure.hxx>
41 Handle(Image_PixMap) OCCViewer_Utilities::imageToPixmap( const QImage& anImage )
43 Handle(Image_PixMap) aPixmap = new Image_PixMap();
44 if ( !anImage.isNull() ) {
45 aPixmap->InitTrash( Image_PixMap::ImgBGRA, anImage.width(), anImage.height() );
46 #if OCC_VERSION_LARGE < 0x07050000
47 aPixmap->SetTopDown( Standard_True );
50 const uchar* aImageBytes = anImage.bits();
52 #if OCC_VERSION_LARGE < 0x07050000
53 for ( int aLine = anImage.height() - 1; aLine >= 0; --aLine ) {
55 for ( int aLine = 0; aLine < anImage.height(); ++aLine ) {
57 // convert pixels from ARGB to renderer-compatible RGBA
58 for ( int aByte = 0; aByte < anImage.width(); ++aByte ) {
59 Image_ColorBGRA& aPixmapBytes = aPixmap->ChangeValue<Image_ColorBGRA>(aLine, aByte);
61 aPixmapBytes.b() = (Standard_Byte) *aImageBytes++;
62 aPixmapBytes.g() = (Standard_Byte) *aImageBytes++;
63 aPixmapBytes.r() = (Standard_Byte) *aImageBytes++;
64 aPixmapBytes.a() = (Standard_Byte) *aImageBytes++;
71 OCCViewer_ViewWindow::Mode2dType OCCViewer_Utilities::setViewer2DMode
72 ( OCCViewer_Viewer* theViewer,
73 const OCCViewer_ViewWindow::Mode2dType& theMode )
75 OCCViewer_ViewWindow::Mode2dType anOldMode = OCCViewer_ViewWindow::No2dMode;
76 OCCViewer_ViewFrame* aFrame = dynamic_cast<OCCViewer_ViewFrame*>
77 ( theViewer->getViewManager()->getActiveView() );
78 OCCViewer_ViewWindow* aView = aFrame ? aFrame->getView( OCCViewer_ViewFrame::MAIN_VIEW ) : 0;
83 anOldMode = aView->get2dMode();
84 aView->set2dMode( theMode );
85 bool is2dMode = theMode != OCCViewer_ViewWindow::No2dMode;
87 // enable/disable view actions
88 QList<int> aNo2dActions;
89 aNo2dActions << OCCViewer_ViewWindow::ChangeRotationPointId
90 << OCCViewer_ViewWindow::RotationId
91 << OCCViewer_ViewWindow::FrontId
92 << OCCViewer_ViewWindow::BackId
93 //<< OCCViewer_ViewWindow::TopId
94 << OCCViewer_ViewWindow::BottomId
95 << OCCViewer_ViewWindow::LeftId
96 << OCCViewer_ViewWindow::RightId
97 << OCCViewer_ViewWindow::AntiClockWiseId
98 << OCCViewer_ViewWindow::ClockWiseId
99 << OCCViewer_ViewWindow::OrthographicId
100 << OCCViewer_ViewWindow::PerspectiveId
101 << OCCViewer_ViewWindow::ResetId;
103 QtxActionToolMgr* aToolMgr = aView->toolMgr();
105 for ( int i = 0, aNb = aNo2dActions.size(); i < aNb; i++ ) {
106 anAction = aToolMgr->action( aNo2dActions[i] );
109 anAction->setEnabled( !is2dMode );
110 anAction->setVisible( !is2dMode );
113 QAction* aTop = aToolMgr->action( OCCViewer_ViewWindow::TopId );
114 QtxMultiAction* aMulti = dynamic_cast<QtxMultiAction*>( aTop->parent() );
115 aMulti->setActiveAction( aTop );
117 // change view position
118 Handle(V3d_View) aView3d = aView->getViewPort()->getView();
119 if ( !aView3d.IsNull() ) {
121 case OCCViewer_ViewWindow::XYPlane:
122 aView3d->SetProj (V3d_Zpos);
124 case OCCViewer_ViewWindow::XZPlane:
125 aView3d->SetProj (V3d_Yneg);
127 case OCCViewer_ViewWindow::YZPlane:
128 aView3d->SetProj (V3d_Xpos);
138 bool OCCViewer_Utilities::isDialogOpened( OCCViewer_ViewWindow* theView, const QString& theName )
140 bool isFound = false;
141 OCCViewer_ViewFrame* aViewFrame = dynamic_cast<OCCViewer_ViewFrame*>( theView->parent()->parent() );
142 QList<QDialog*> allDialogs = aViewFrame->findChildren<QDialog*>();
143 foreach ( QDialog* d, allDialogs )
144 if ( d->objectName() == theName )
149 bool OCCViewer_Utilities::computeVisibleBounds( const Handle(V3d_View) theView,
150 double theBounds[6] )
154 theBounds[0] = theBounds[2] = theBounds[4] = DBL_MAX;
155 theBounds[1] = theBounds[3] = theBounds[5] = -DBL_MAX;
157 Graphic3d_MapOfStructure aSetOfStructures;
158 theView->View()->DisplayedStructures( aSetOfStructures );
159 Graphic3d_MapIteratorOfMapOfStructure aStructureIt( aSetOfStructures );
161 for( ; aStructureIt.More(); aStructureIt.Next() ) {
162 const Handle(Graphic3d_Structure)& aStructure = aStructureIt.Key();
163 if ( aStructure->IsEmpty() || !aStructure->IsVisible() ||
164 aStructure->IsInfinite() || aStructure->CStructure()->IsForHighlight )
167 Bnd_Box aBox = aStructure->MinMaxValues();
168 aBounds[0] = aBox.IsVoid() ? RealFirst() : aBox.CornerMin().X();
169 aBounds[2] = aBox.IsVoid() ? RealFirst() : aBox.CornerMin().Y();
170 aBounds[4] = aBox.IsVoid() ? RealFirst() : aBox.CornerMin().Z();
171 aBounds[1] = aBox.IsVoid() ? RealLast() : aBox.CornerMax().X();
172 aBounds[3] = aBox.IsVoid() ? RealLast() : aBox.CornerMax().Y();
173 aBounds[5] = aBox.IsVoid() ? RealLast() : aBox.CornerMax().Z();
175 if ( aBounds[0] > -DBL_MAX && aBounds[1] < DBL_MAX &&
176 aBounds[2] > -DBL_MAX && aBounds[3] < DBL_MAX &&
177 aBounds[4] > -DBL_MAX && aBounds[5] < DBL_MAX )
180 for ( int i = 0; i < 5; i = i + 2 ) {
181 theBounds[i] = std::min( theBounds[i], aBounds[i] );
182 theBounds[i+1] = std::max( theBounds[i+1], aBounds[i+1] );
189 bool OCCViewer_Utilities::computeVisibleBBCenter( const Handle(V3d_View) theView,
190 double& theX, double& theY, double& theZ )
193 if ( !computeVisibleBounds( theView, aBounds ) )
195 // null bounding box => the center is (0,0,0)
202 static double aMinDistance = 1.0 / DBL_MAX;
204 double aLength = aBounds[1]-aBounds[0];
205 aLength = std::max( ( aBounds[3]-aBounds[2]), aLength );
206 aLength = std::max( ( aBounds[5]-aBounds[4]), aLength );
208 if ( aLength < aMinDistance )
211 double aWidth = sqrt( ( aBounds[1] - aBounds[0] ) * ( aBounds[1] - aBounds[0] ) +
212 ( aBounds[3] - aBounds[2] ) * ( aBounds[3] - aBounds[2] ) +
213 ( aBounds[5] - aBounds[4] ) * ( aBounds[5] - aBounds[4] ) );
215 if(aWidth < aMinDistance)
218 theX = (aBounds[0] + aBounds[1])/2.0;
219 theY = (aBounds[2] + aBounds[3])/2.0;
220 theZ = (aBounds[4] + aBounds[5])/2.0;
225 bool OCCViewer_Utilities::computeSceneBBCenter( const Handle(V3d_View) theView,
226 double& theX, double& theY, double& theZ )
228 theX = 0, theY = 0, theZ = 0;
229 Bnd_Box aBox = theView->View()->MinMaxValues();
232 double Xmin, Ymin, Zmin, Xmax, Ymax, Zmax;
233 aBox.Get (Xmin, Ymin, Zmin, Xmax, Ymax, Zmax);
236 gp_Pnt (Xmin, Ymin, Zmin), gp_Pnt (Xmin, Ymin, Zmax),
237 gp_Pnt (Xmin, Ymax, Zmin), gp_Pnt (Xmin, Ymax, Zmax),
238 gp_Pnt (Xmax, Ymin, Zmin), gp_Pnt (Xmax, Ymin, Zmax),
239 gp_Pnt (Xmax, Ymax, Zmin), gp_Pnt (Xmax, Ymax, Zmax)
242 for (Standard_Integer i = 0; i < 8; i++)
244 const gp_Pnt& aCornPnt = aPnts[i];
245 theX += aCornPnt.X();
246 theY += aCornPnt.Y();
247 theZ += aCornPnt.Z();