468 lines
16 KiB
C++
468 lines
16 KiB
C++
/***************************************************************************
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* Copyright (c) 2011 Werner Mayer <wmayer[at]users.sourceforge.net> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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# ifdef FC_OS_WIN32
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# include <windows.h>
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# endif
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# ifdef FC_OS_MACOSX
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# include <OpenGL/gl.h>
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# else
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# include <GL/gl.h>
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# endif
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# include <algorithm>
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# include <cfloat>
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# include <Inventor/SoPickedPoint.h>
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# include <Inventor/SoPrimitiveVertex.h>
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# include <Inventor/actions/SoGetBoundingBoxAction.h>
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# include <Inventor/actions/SoGLRenderAction.h>
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# include <Inventor/bundles/SoMaterialBundle.h>
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# include <Inventor/details/SoLineDetail.h>
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# include <Inventor/elements/SoCoordinateElement.h>
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# include <Inventor/elements/SoGLCoordinateElement.h>
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# include <Inventor/elements/SoLineWidthElement.h>
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# include <Inventor/errors/SoDebugError.h>
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# include <Inventor/misc/SoState.h>
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#endif
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#include <Gui/SoFCUnifiedSelection.h>
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#include "SoBrepEdgeSet.h"
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using namespace PartGui;
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SO_NODE_SOURCE(SoBrepEdgeSet)
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struct SoBrepEdgeSet::SelContext: Gui::SoFCSelectionContext {
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std::vector<int32_t> hl, sl;
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};
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void SoBrepEdgeSet::initClass()
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{
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SO_NODE_INIT_CLASS(SoBrepEdgeSet, SoIndexedLineSet, "IndexedLineSet");
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}
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SoBrepEdgeSet::SoBrepEdgeSet()
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: selContext(std::make_shared<SelContext>())
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, selContext2(std::make_shared<SelContext>())
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{
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SO_NODE_CONSTRUCTOR(SoBrepEdgeSet);
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}
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void SoBrepEdgeSet::GLRender(SoGLRenderAction *action)
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{
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auto state = action->getState();
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selCounter.checkRenderCache(state);
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SelContextPtr ctx2;
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SelContextPtr ctx = Gui::SoFCSelectionRoot::getRenderContext<SelContext>(this,selContext,ctx2);
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if(ctx2 && ctx2->selectionIndex.empty())
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return;
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if(selContext2->checkGlobal(ctx)) {
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if(selContext2->isSelectAll()) {
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selContext2->sl.clear();
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selContext2->sl.push_back(-1);
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}else if(ctx)
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selContext2->sl = ctx->sl;
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if(selContext2->highlightIndex==INT_MAX) {
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selContext2->hl.clear();
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selContext2->hl.push_back(-1);
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}else if(ctx)
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selContext2->hl = ctx->hl;
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ctx = selContext2;
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}
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if(ctx && ctx->highlightIndex==INT_MAX) {
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if(ctx->selectionIndex.empty() || ctx->isSelectAll()) {
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if(ctx2) {
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ctx2->selectionColor = ctx->highlightColor;
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renderSelection(action,ctx2);
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} else
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renderHighlight(action,ctx);
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}else{
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if(!action->isRenderingDelayedPaths())
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renderSelection(action,ctx);
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if(ctx2) {
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ctx2->selectionColor = ctx->highlightColor;
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renderSelection(action,ctx2);
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} else
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renderHighlight(action,ctx);
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if(action->isRenderingDelayedPaths())
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renderSelection(action,ctx);
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}
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return;
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}
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if(!action->isRenderingDelayedPaths())
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renderHighlight(action,ctx);
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if(ctx && !ctx->selectionIndex.empty()) {
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if(ctx->isSelectAll()) {
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if(ctx2) {
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ctx2->selectionColor = ctx->selectionColor;
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renderSelection(action,ctx2);
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}else if(ctx->isSelectAll())
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renderSelection(action,ctx);
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if(action->isRenderingDelayedPaths())
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renderHighlight(action,ctx);
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return;
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}
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if(!action->isRenderingDelayedPaths())
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renderSelection(action,ctx);
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}
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if(ctx2 && !ctx2->selectionIndex.empty())
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renderSelection(action,ctx2,false);
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else
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inherited::GLRender(action);
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// Workaround for #0000433
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//#if !defined(FC_OS_WIN32)
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if(!action->isRenderingDelayedPaths())
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renderHighlight(action,ctx);
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if(ctx && !ctx->selectionIndex.empty())
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renderSelection(action,ctx);
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if(action->isRenderingDelayedPaths())
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renderHighlight(action,ctx);
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//#endif
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}
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void SoBrepEdgeSet::GLRenderBelowPath(SoGLRenderAction * action)
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{
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inherited::GLRenderBelowPath(action);
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}
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void SoBrepEdgeSet::getBoundingBox(SoGetBoundingBoxAction * action) {
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SelContextPtr ctx2 = Gui::SoFCSelectionRoot::getSecondaryActionContext<SelContext>(action,this);
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if(!ctx2 || (ctx2->sl.size()==1 && ctx2->sl[0]<0)) {
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inherited::getBoundingBox(action);
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return;
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}
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if(ctx2->sl.empty())
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return;
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auto state = action->getState();
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auto coords = SoCoordinateElement::getInstance(state);
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const SbVec3f *coords3d = coords->getArrayPtr3();
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if(!validIndexes(coords,ctx2->sl))
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return;
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SbBox3f bbox;
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int32_t i;
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const int32_t *cindices = &ctx2->sl[0];
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const int32_t *end = cindices + ctx2->sl.size();
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while (cindices < end) {
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bbox.extendBy(coords3d[*cindices++]);
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i = (cindices < end) ? *cindices++ : -1;
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while (i >= 0) {
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bbox.extendBy(coords3d[i]);
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i = cindices < end ? *cindices++ : -1;
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}
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}
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if(!bbox.isEmpty())
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action->extendBy(bbox);
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}
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void SoBrepEdgeSet::renderShape(const SoGLCoordinateElement * const coords,
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const int32_t *cindices, int numindices)
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{
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const SbVec3f * coords3d = coords->getArrayPtr3();
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int32_t i;
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int previ;
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const int32_t *end = cindices + numindices;
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while (cindices < end) {
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glBegin(GL_LINE_STRIP);
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previ = *cindices++;
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i = (cindices < end) ? *cindices++ : -1;
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while (i >= 0) {
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glVertex3fv((const GLfloat*) (coords3d + previ));
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glVertex3fv((const GLfloat*) (coords3d + i));
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previ = i;
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i = cindices < end ? *cindices++ : -1;
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}
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glEnd();
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}
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}
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void SoBrepEdgeSet::renderHighlight(SoGLRenderAction *action, SelContextPtr ctx)
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{
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if(!ctx || ctx->highlightIndex<0)
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return;
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SoState * state = action->getState();
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state->push();
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//SoLineWidthElement::set(state, this, 4.0f);
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SoLazyElement::setEmissive(state, &ctx->highlightColor);
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packedColor = ctx->highlightColor.getPackedValue(0.0);
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SoLazyElement::setPacked(state, this,1, &packedColor,false);
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const SoCoordinateElement * coords;
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const SbVec3f * normals;
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const int32_t * cindices;
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int numcindices;
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const int32_t * nindices;
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const int32_t * tindices;
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const int32_t * mindices;
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SbBool normalCacheUsed;
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this->getVertexData(state, coords, normals, cindices, nindices,
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tindices, mindices, numcindices, false, normalCacheUsed);
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SoMaterialBundle mb(action);
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mb.sendFirst(); // make sure we have the correct material
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int num = (int)ctx->hl.size();
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if (num > 0) {
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if (ctx->hl[0] < 0) {
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renderShape(static_cast<const SoGLCoordinateElement*>(coords), cindices, numcindices);
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}
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else {
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const int32_t* id = &(ctx->hl[0]);
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if (!validIndexes(coords, ctx->hl)) {
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SoDebugError::postWarning("SoBrepEdgeSet::renderHighlight", "highlightIndex out of range");
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}
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else {
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renderShape(static_cast<const SoGLCoordinateElement*>(coords), id, num);
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}
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}
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}
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state->pop();
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}
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void SoBrepEdgeSet::renderSelection(SoGLRenderAction *action, SelContextPtr ctx, bool push)
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{
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SoState * state = action->getState();
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if(push){
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state->push();
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//SoLineWidthElement::set(state, this, 4.0f);
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SoLazyElement::setEmissive(state, &ctx->selectionColor);
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packedColor = ctx->selectionColor.getPackedValue(0.0);
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SoLazyElement::setPacked(state, this,1, &packedColor,false);
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}
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const SoCoordinateElement * coords;
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const SbVec3f * normals;
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const int32_t * cindices;
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int numcindices;
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const int32_t * nindices;
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const int32_t * tindices;
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const int32_t * mindices;
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SbBool normalCacheUsed;
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this->getVertexData(state, coords, normals, cindices, nindices,
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tindices, mindices, numcindices, false, normalCacheUsed);
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SoMaterialBundle mb(action);
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mb.sendFirst(); // make sure we have the correct material
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int num = (int)ctx->sl.size();
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if (num > 0) {
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if (ctx->sl[0] < 0) {
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renderShape(static_cast<const SoGLCoordinateElement*>(coords), cindices, numcindices);
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}
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else {
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cindices = &(ctx->sl[0]);
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numcindices = (int)ctx->sl.size();
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if (!validIndexes(coords, ctx->sl)) {
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SoDebugError::postWarning("SoBrepEdgeSet::renderSelection", "selectionIndex out of range");
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}
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else {
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renderShape(static_cast<const SoGLCoordinateElement*>(coords), cindices, numcindices);
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}
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}
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}
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if(push) state->pop();
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}
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bool SoBrepEdgeSet::validIndexes(const SoCoordinateElement* coords, const std::vector<int32_t>& pts) const
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{
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for (int32_t it : pts) {
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if (it >= coords->getNum()) {
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return false;
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}
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}
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return true;
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}
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void SoBrepEdgeSet::doAction(SoAction* action)
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{
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if (action->getTypeId() == Gui::SoHighlightElementAction::getClassTypeId()) {
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Gui::SoHighlightElementAction* hlaction = static_cast<Gui::SoHighlightElementAction*>(action);
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selCounter.checkAction(hlaction);
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if (!hlaction->isHighlighted()) {
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SelContextPtr ctx = Gui::SoFCSelectionRoot::getActionContext(action,this,selContext,false);
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if(ctx) {
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ctx->highlightIndex = -1;
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ctx->hl.clear();
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touch();
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}
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return;
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}
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const SoDetail* detail = hlaction->getElement();
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if (!detail) {
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SelContextPtr ctx = Gui::SoFCSelectionRoot::getActionContext(action,this,selContext);
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ctx->highlightColor = hlaction->getColor();
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ctx->highlightIndex = INT_MAX;
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ctx->hl.clear();
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ctx->hl.push_back(-1);
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touch();
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return;
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}
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if (!detail->isOfType(SoLineDetail::getClassTypeId())) {
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SelContextPtr ctx = Gui::SoFCSelectionRoot::getActionContext(action,this,selContext,false);
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if(ctx) {
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ctx->highlightIndex = -1;
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ctx->hl.clear();
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touch();
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}
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return;
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}
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SelContextPtr ctx = Gui::SoFCSelectionRoot::getActionContext(action,this,selContext);
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ctx->highlightColor = hlaction->getColor();
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int index = static_cast<const SoLineDetail*>(detail)->getLineIndex();
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const int32_t* cindices = this->coordIndex.getValues(0);
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int numcindices = this->coordIndex.getNum();
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ctx->hl.clear();
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for(int section=0,i=0;i<numcindices;i++) {
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if(cindices[i] < 0) {
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if(++section > index)
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break;
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}else if(section == index)
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ctx->hl.push_back(cindices[i]);
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}
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if(!ctx->hl.empty())
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ctx->highlightIndex = index;
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else
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ctx->highlightIndex = -1;
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touch();
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return;
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}
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else if (action->getTypeId() == Gui::SoSelectionElementAction::getClassTypeId()) {
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Gui::SoSelectionElementAction* selaction = static_cast<Gui::SoSelectionElementAction*>(action);
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switch(selaction->getType()) {
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case Gui::SoSelectionElementAction::None: {
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if(selaction->isSecondary()) {
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if(Gui::SoFCSelectionRoot::removeActionContext(action,this))
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touch();
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}else {
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SelContextPtr ctx = Gui::SoFCSelectionRoot::getActionContext(action,this,selContext,false);
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if(ctx) {
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ctx->selectionIndex.clear();
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ctx->sl.clear();
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touch();
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}
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}
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return;
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} case Gui::SoSelectionElementAction::All: {
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SelContextPtr ctx = Gui::SoFCSelectionRoot::getActionContext(action,this,selContext);
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selCounter.checkAction(selaction,ctx);
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ctx->selectionColor = selaction->getColor();
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ctx->selectionIndex.clear();
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ctx->selectionIndex.insert(-1); // all
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ctx->sl.clear();
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ctx->sl.push_back(-1);
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touch();
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return;
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} case Gui::SoSelectionElementAction::Append:
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case Gui::SoSelectionElementAction::Remove: {
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const SoDetail* detail = selaction->getElement();
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if (!detail || !detail->isOfType(SoLineDetail::getClassTypeId())) {
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if(selaction->isSecondary()) {
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// For secondary context, a detail of different type means
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// the user may want to partial render only other type of
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// geometry. So we call below to obtain a action context.
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// If no secondary context exist, it will create an empty
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// one, and an empty secondary context inhibites drawing
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// here.
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auto ctx = Gui::SoFCSelectionRoot::getActionContext(action,this,selContext);
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selCounter.checkAction(selaction,ctx);
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touch();
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}
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return;
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}
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int index = static_cast<const SoLineDetail*>(detail)->getLineIndex();
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SelContextPtr ctx;
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if(selaction->getType() == Gui::SoSelectionElementAction::Append) {
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ctx = Gui::SoFCSelectionRoot::getActionContext(action,this,selContext);
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selCounter.checkAction(selaction,ctx);
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ctx->selectionColor = selaction->getColor();
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if(ctx->isSelectAll())
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ctx->selectionIndex.clear();
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if(!ctx->selectionIndex.insert(index).second)
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return;
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}else{
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ctx = Gui::SoFCSelectionRoot::getActionContext(action,this,selContext,false);
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if(!ctx || !ctx->removeIndex(index))
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return;
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}
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ctx->sl.clear();
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if(!ctx->selectionIndex.empty()) {
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const int32_t* cindices = this->coordIndex.getValues(0);
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int numcindices = this->coordIndex.getNum();
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auto it = ctx->selectionIndex.begin();
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for(int section=0,i=0;i<numcindices;i++) {
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if(section == *it)
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ctx->sl.push_back(cindices[i]);
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if(cindices[i] < 0) {
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if(++section > *it) {
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if(++it == ctx->selectionIndex.end())
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break;
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}
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}
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}
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}
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touch();
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break;
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} default :
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break;
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}
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return;
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}
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inherited::doAction(action);
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}
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SoDetail * SoBrepEdgeSet::createLineSegmentDetail(SoRayPickAction * action,
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const SoPrimitiveVertex * v1,
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const SoPrimitiveVertex * v2,
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SoPickedPoint * pp)
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{
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SoDetail* detail = inherited::createLineSegmentDetail(action, v1, v2, pp);
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SoLineDetail* line_detail = static_cast<SoLineDetail*>(detail);
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int index = line_detail->getLineIndex();
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line_detail->setPartIndex(index);
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return detail;
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}
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