149 lines
5.1 KiB
C++
149 lines
5.1 KiB
C++
/***************************************************************************
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* Copyright (c) 2012 Jürgen Riegel <juergen.riegel@web.de> *
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* Copyright (c) 2015 Alexander Golubev (Fat-Zer) <fatzer2@gmail.com> *
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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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# include <Inventor/nodes/SoText2.h>
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# include <Inventor/nodes/SoCoordinate3.h>
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# include <Inventor/nodes/SoIndexedLineSet.h>
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# include <Inventor/nodes/SoPickStyle.h>
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# include <Inventor/nodes/SoSeparator.h>
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# include <Inventor/nodes/SoTranslation.h>
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#endif
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#include <Base/Tools.h>
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#include <App/Datums.h>
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#include <Gui/Utilities.h>
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#include <Gui/ViewParams.h>
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#include "ViewProviderLine.h"
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#include "ViewProviderCoordinateSystem.h"
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#include <SoTextLabel.h>
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using namespace Gui;
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PROPERTY_SOURCE(Gui::ViewProviderLine, Gui::ViewProviderDatum)
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ViewProviderLine::ViewProviderLine()
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{
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sPixmap = "Std_Axis";
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pLabel = new SoFrameLabel();
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pLabel->textColor.setValue(1.0, 1.0, 1.0);
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pLabel->horAlignment = SoImage::CENTER;
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pLabel->vertAlignment = SoImage::HALF;
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pLabel->border = false;
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pLabel->frame = false;
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pLabel->textUseBaseColor = true;
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pLabel->size = 8; // NOLINT
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}
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ViewProviderLine::~ViewProviderLine() = default;
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void ViewProviderLine::attach(App::DocumentObject *obj)
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{
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ViewProviderDatum::attach(obj);
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// indexes used to create the edges
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static const int32_t lines[4] = { 0, 1, -1 };
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SoSeparator *sep = getDatumRoot();
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pCoords = new SoCoordinate3();
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sep->addChild(pCoords);
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auto pLines = new SoIndexedLineSet();
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pLines->coordIndex.setNum(3);
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pLines->coordIndex.setValues(0, 3, lines);
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sep->addChild(pLines);
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pLabelTranslation = new SoTranslation();
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sep->addChild(pLabelTranslation);
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auto ps = new SoPickStyle();
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ps->style.setValue(SoPickStyle::SHAPE_ON_TOP);
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sep->addChild(ps);
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sep->addChild(pLabel);
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handlers.addDelayedHandler(
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ViewParams::instance()->getHandle(),
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{"DatumLineSize", "DatumScale"},
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[this](const ParameterGrp::handle&) { updateLineSize(); }
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);
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updateLineSize();
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}
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void ViewProviderLine::updateLineSize()
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{
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// Setup label text and line colors
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const char* name = pcObject->getNameInDocument();
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bool noRole = false;
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auto axisRoles = App::LocalCoordinateSystem::AxisRoles;
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if (strncmp(name, axisRoles[0], strlen(axisRoles[0])) == 0) {
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// X-axis: red
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ShapeAppearance.setDiffuseColor(ViewParams::instance()->getAxisXColor());
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pLabel->string.setValue("X");
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}
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else if (strncmp(name, axisRoles[1], strlen(axisRoles[1])) == 0) {
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// Y-axis: green
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ShapeAppearance.setDiffuseColor(ViewParams::instance()->getAxisYColor());
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pLabel->string.setValue("Y");
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}
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else if (strncmp(name, axisRoles[2], strlen(axisRoles[2])) == 0) {
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// Z-axis: blue
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ShapeAppearance.setDiffuseColor(ViewParams::instance()->getAxisZColor());
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pLabel->string.setValue("Z");
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}
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else {
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noRole = true;
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}
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const auto params = ViewParams::instance();
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const float size = params->getDatumLineSize() * Base::fromPercent(params->getDatumScale());
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auto line = getObject<App::Line>();
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Base::Vector3d dir = line->getBaseDirection();
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SbVec3f verts[2];
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if (noRole) {
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verts[0] = Base::convertTo<SbVec3f>(dir * 2 * size);
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verts[1] = SbVec3f(0, 0, 0);
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}
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else {
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verts[0] = Base::convertTo<SbVec3f>(dir * size);
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verts[1] = Base::convertTo<SbVec3f>(dir * 0.2 * size);
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}
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pCoords->point.setNum(2);
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pCoords->point.setValues(0, 2, verts);
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pLabelTranslation->translation.setValue(Base::convertTo<SbVec3f>(dir * 1.2 * size));
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}
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