+ unify DLL export defines to namespace names
git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5000 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d
This commit is contained in:
wmayer
357
src/Gui/SoFCColorGradient.cpp
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357
src/Gui/SoFCColorGradient.cpp
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/***************************************************************************
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* Copyright (c) 2005 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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# include <sstream>
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# include <Inventor/fields/SoMFString.h>
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# include <Inventor/nodes/SoBaseColor.h>
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# include <Inventor/nodes/SoCoordinate3.h>
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# include <Inventor/nodes/SoIndexedFaceSet.h>
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# include <Inventor/nodes/SoMaterial.h>
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# include <Inventor/nodes/SoText2.h>
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# include <Inventor/nodes/SoTransform.h>
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# include <Inventor/nodes/SoTransparencyType.h>
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#endif
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#include "SoFCColorGradient.h"
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#include "DlgSettingsColorGradientImp.h"
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#include "MainWindow.h"
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#include "MDIView.h"
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using namespace Gui;
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SO_NODE_SOURCE(SoFCColorGradient);
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/*!
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Constructor.
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*/
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SoFCColorGradient::SoFCColorGradient() : _fMaxX(4.5f), _fMinX(4.0f), _fMaxY(4.0f), _fMinY(-4.0f), _bOutInvisible(false), _precision(3)
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{
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SO_NODE_CONSTRUCTOR(SoFCColorGradient);
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coords = new SoCoordinate3;
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coords->ref();
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labels = new SoSeparator;
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labels->ref();
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_cColGrad.setStyle(App::ColorGradient::FLOW);
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setColorModel( App::ColorGradient::TRIA );
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setRange(-0.5f, 0.5f, 1);
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}
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/*!
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Destructor.
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*/
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SoFCColorGradient::~SoFCColorGradient()
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{
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//delete THIS;
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coords->unref();
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labels->unref();
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}
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// doc from parent
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void SoFCColorGradient::initClass(void)
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{
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SO_NODE_INIT_CLASS(SoFCColorGradient,SoFCColorBarBase,"Separator");
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}
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void SoFCColorGradient::finish()
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{
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atexit_cleanup();
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}
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void SoFCColorGradient::setMarkerLabel( const SoMFString& label )
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{
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labels->removeAllChildren();
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float fH=8.0f;
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int num = label.getNum();
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if ( num > 1 )
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{
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float fStep = fH / ((float)num-1);
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SoTransform* trans = new SoTransform;
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trans->translation.setValue(_fMaxX+0.1f,_fMaxY-0.05f+fStep,0.0f);
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labels->addChild(trans);
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for ( int i=0; i<num; i++ )
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{
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SoTransform* trans = new SoTransform;
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SoBaseColor* color = new SoBaseColor;
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SoText2 * text2 = new SoText2;
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trans->translation.setValue(0,-fStep,0);
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color->rgb.setValue(0,0,0);
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text2->string.setValue( label[i] );
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labels->addChild(trans);
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labels->addChild(color);
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labels->addChild(text2);
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}
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}
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}
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void SoFCColorGradient::setViewportSize( const SbVec2s& size )
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{
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// don't know why the parameter range isn't between [-1,+1]
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float fRatio = ((float)size[0])/((float)size[1]);
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float fMinX= 4.0f, fMaxX=4.5f;
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float fMinY= -4.0f, fMaxY=4.0f;
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if ( fRatio > 1.0f )
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{
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fMinX = 4.0f * fRatio;
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fMaxX = fMinX+0.5f;
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}
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else if ( fRatio < 1.0f )
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{
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fMinY = -4.0f / fRatio;
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fMaxY = 4.0f / fRatio;
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}
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_fMaxX = fMaxX;
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_fMinX = fMinX;
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_fMaxY = fMaxY;
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_fMinY = fMinY;
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// search for the labels
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int num=0;
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for ( int i=0; i<labels->getNumChildren(); i++ )
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{
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if ( labels->getChild(i)->getTypeId() == SoTransform::getClassTypeId() )
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num++;
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}
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if ( num > 2 )
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{
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bool first=true;
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float fStep = (fMaxY-fMinY) / ((float)num-2);
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for ( int j=0; j<labels->getNumChildren(); j++ )
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{
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if ( labels->getChild(j)->getTypeId() == SoTransform::getClassTypeId() )
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{
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if ( first )
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{
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first = false;
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static_cast<SoTransform*>(labels->getChild(j))->translation.setValue(fMaxX+0.1f,fMaxY-0.05f+fStep,0.0f);
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}
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else
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{
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static_cast<SoTransform*>(labels->getChild(j))->translation.setValue(0,-fStep,0.0f);
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}
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}
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}
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}
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// set the vertices spanning the faces for the color gradient
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int ct = coords->point.getNum()/2;
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for ( int j=0; j<ct; j++ )
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{
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float w = (float)j/(float)(ct-1);
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float fPosY = (1.0f-w)*_fMaxY + w*_fMinY;
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coords->point.set1Value(2*j, _fMinX, fPosY, 0.0f);
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coords->point.set1Value(2*j+1, _fMaxX, fPosY, 0.0f);
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}
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}
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void SoFCColorGradient::setRange( float fMin, float fMax, int prec )
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{
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_cColGrad.setRange(fMin, fMax);
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SoMFString label;
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float fFac = (float)pow(10.0, (double)prec);
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int i=0;
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std::vector<float> marks = getMarkerValues(fMin, fMax, _cColGrad.getCountColors());
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for ( std::vector<float>::iterator it = marks.begin(); it != marks.end(); ++it )
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{
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std::stringstream s;
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s.precision(prec);
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s.setf(std::ios::fixed | std::ios::showpoint | std::ios::showpos);
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float fValue = *it;
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if ( fabs(fValue*fFac) < 1.0 )
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fValue = 0.0f;
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s << fValue;
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label.set1Value(i++, s.str().c_str());
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}
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setMarkerLabel( label );
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}
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std::vector<float> SoFCColorGradient::getMarkerValues(float fMin, float fMax, int count) const
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{
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std::vector<float> labels;
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// the middle of the bar is zero
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if ( fMin < 0.0f && fMax > 0.0f && _cColGrad.getStyle() == App::ColorGradient::ZERO_BASED )
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{
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if ( count % 2 == 0) count++;
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int half = count / 2;
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for (int j=0; j<half+1; j++)
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{
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float w = (float)j/((float)half);
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float fValue = (1.0f-w)*fMax;
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labels.push_back( fValue );
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}
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for (int k=half+1; k<count; k++)
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{
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float w = (float)(k-half+1)/((float)(count-half));
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float fValue = w*fMin;
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labels.push_back( fValue );
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}
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}
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else // either not zero based or 0 is not in between [fMin,fMax]
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{
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for (int j=0; j<count; j++)
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{
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float w = (float)j/((float)count-1.0f);
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float fValue = (1.0f-w)*fMax+w*fMin;
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labels.push_back( fValue );
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}
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}
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return labels;
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}
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void SoFCColorGradient::setColorModel( App::ColorGradient::TColorModel tModel )
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{
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_cColGrad.setColorModel( tModel );
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rebuildGradient();
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}
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void SoFCColorGradient::setColorStyle (App::ColorGradient::TStyle tStyle)
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{
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_cColGrad.setStyle( tStyle );
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rebuildGradient();
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}
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void SoFCColorGradient::rebuildGradient()
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{
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App::ColorModel model = _cColGrad.getColorModel();
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int uCtColors = (int)model._usColors;
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coords->point.setNum(2*uCtColors);
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for ( int i=0; i<uCtColors; i++ )
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{
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float w = (float)i/(float)(uCtColors-1);
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float fPosY = (1.0f-w)*_fMaxY + w*_fMinY;
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coords->point.set1Value(2*i, _fMinX, fPosY, 0.0f);
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coords->point.set1Value(2*i+1, _fMaxX, fPosY, 0.0f);
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}
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// for uCtColors colors we need 2*(uCtColors-1) facets and therefore an array with
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// 8*(uCtColors-1) face indices
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SoIndexedFaceSet * faceset = new SoIndexedFaceSet;
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faceset->coordIndex.setNum(8*(uCtColors-1));
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for ( int j=0; j<uCtColors-1; j++ )
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{
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faceset->coordIndex.set1Value(8*j, 2*j);
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faceset->coordIndex.set1Value(8*j+1, 2*j+3);
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faceset->coordIndex.set1Value(8*j+2, 2*j+1);
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faceset->coordIndex.set1Value(8*j+3, SO_END_FACE_INDEX);
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faceset->coordIndex.set1Value(8*j+4, 2*j);
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faceset->coordIndex.set1Value(8*j+5, 2*j+2);
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faceset->coordIndex.set1Value(8*j+6, 2*j+3);
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faceset->coordIndex.set1Value(8*j+7, SO_END_FACE_INDEX);
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}
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// set an own transparency type for this color bar only
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SoTransparencyType* ttype = new SoTransparencyType;
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ttype->value = SoGLRenderAction::DELAYED_BLEND;
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SoMaterial* mat = new SoMaterial;
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//mat->transparency = 0.3f;
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mat->diffuseColor.setNum(2*uCtColors);
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for ( int k=0; k<uCtColors; k++ )
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{
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App::Color col = model._pclColors[uCtColors-k-1];
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mat->diffuseColor.set1Value(2*k, col.r, col.g, col.b);
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mat->diffuseColor.set1Value(2*k+1, col.r, col.g, col.b);
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}
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SoMaterialBinding* matBinding = new SoMaterialBinding;
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matBinding->value = SoMaterialBinding::PER_VERTEX_INDEXED;
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// first clear the children
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if ( getNumChildren() > 0 )
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removeAllChildren();
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addChild(ttype);
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addChild(labels);
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addChild(coords);
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addChild(mat);
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addChild(matBinding);
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addChild(faceset);
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}
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bool SoFCColorGradient::isVisible (float fVal) const
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{
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if (_bOutInvisible == true)
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{
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float fMin, fMax;
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_cColGrad.getRange(fMin, fMax);
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if ((fVal > fMax) || (fVal < fMin))
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return false;
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else
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return true;
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}
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return true;
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}
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bool SoFCColorGradient::customize()
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{
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QWidget* parent = Gui::getMainWindow()->activeWindow();
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Gui::Dialog::DlgSettingsColorGradientImp dlg(parent);
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dlg.setColorModel( _cColGrad.getColorModelType() );
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dlg.setColorStyle( _cColGrad.getStyle() );
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dlg.setOutGrayed( _cColGrad.isOutsideGrayed() );
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dlg.setOutInvisible( _bOutInvisible );
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dlg.setNumberOfLabels( _cColGrad.getCountColors() );
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dlg.setNumberOfDecimals( _precision );
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float fMin, fMax;
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_cColGrad.getRange(fMin, fMax);
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dlg.setRange(fMin, fMax);
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QPoint pos(QCursor::pos());
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pos += QPoint((int)(-1.1*dlg.width()),(int)(-0.1*dlg.height()));
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dlg.move( pos );
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if ( dlg.exec() == QDialog::Accepted )
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{
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_cColGrad.setColorModel( dlg.colorModel() );
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_cColGrad.setStyle( dlg.colorStyle() );
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_cColGrad.setOutsideGrayed( dlg.isOutGrayed() );
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_bOutInvisible = dlg.isOutInvisible();
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_cColGrad.setCountColors( dlg.numberOfLabels() );
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_precision = dlg.numberOfDecimals();
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dlg.getRange( fMin, fMax );
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int dec = dlg.numberOfDecimals();
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setRange( fMin, fMax, dec );
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rebuildGradient();
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return true;
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}
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return false;
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}
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