120ca87015
git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5000 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d
116 lines
4.6 KiB
C++
116 lines
4.6 KiB
C++
/***************************************************************************
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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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#ifndef GUI_SOFCCOLORGRADIENT_H
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#define GUI_SOFCCOLORGRADIENT_H
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#include <Inventor/nodes/SoSeparator.h>
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#include "SoFCColorBar.h"
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#include <App/ColorModel.h>
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#include <vector>
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class SoCoordinate3;
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class SoMFString;
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class SbVec2s;
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namespace Gui {
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class GuiExport SoFCColorGradient : public SoFCColorBarBase {
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typedef SoFCColorBarBase inherited;
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SO_NODE_HEADER(Gui::SoFCColorGradient);
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public:
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static void initClass(void);
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static void finish(void);
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SoFCColorGradient(void);
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/**
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* Sets the range of the colorbar from the maximum \a fMax to the minimum \a fMin.
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* \a prec indicates the post decimal positions, \a prec should be in between 0 and 6.
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*/
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void setRange( float fMin, float fMax, int prec=3 );
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/**
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* Returns the associated color to the value \a fVal.
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*/
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App::Color getColor (float fVal) const { return _cColGrad.getColor(fVal); }
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void setOutsideGrayed (bool bVal) { _cColGrad.setOutsideGrayed(bVal); }
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/**
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* Returns always true if the gradient is in mode to show colors to arbitrary values of \a fVal,
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* otherwise true is returned if \a fVal is within the specified parameter range, if not false is
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* returned.
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*/
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bool isVisible (float fVal) const;
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/** Returns the current minimum of the parameter range. */
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float getMinValue (void) const { return _cColGrad.getMinValue(); }
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/** Returns the current maximum of the parameter range. */
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float getMaxValue (void) const { return _cColGrad.getMaxValue(); }
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/**
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* Opems a dialog to customie the current settings of the color gradient bar.
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* Returns true if the settings have been changed, false otherwise.
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*/
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bool customize();
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/** Returns the name of the color bar. */
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const char* getColorBarName() const { return "Color Gradient"; }
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protected:
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/**
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* Sets the current viewer size this color gradient is embedded into to recalculate its new position.
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*/
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void setViewportSize( const SbVec2s& size );
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virtual ~SoFCColorGradient();
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/**
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* Sets the color model of the underlying color gradient to \a tModel. \a tModel either can
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* be \c TRIA, \c INVERSE_TRIA, \c GRAY or \c INVERSE_GRAY
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*/
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void setColorModel (App::ColorGradient::TColorModel tModel);
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/**
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* Sets the color style of the underlying color gradient to \a tStyle. \a tStyle either can
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* be \c FLOW or \c ZERO_BASED
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*/
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void setColorStyle (App::ColorGradient::TStyle tStyle);
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/** Rebuild the gradient bar. */
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void rebuildGradient();
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/** Returns a list of \a count labels within the ranhe [\a fMin, \a fMax]. */
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std::vector<float> getMarkerValues(float fMin, float fMax, int count) const;
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private:
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/** Sets the new labels. */
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void setMarkerLabel( const SoMFString& label );
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private:
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SoCoordinate3* coords;
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SoSeparator* labels;
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float _fMaxX, _fMinX, _fMaxY, _fMinY;
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bool _bOutInvisible;
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int _precision;
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App::ColorGradient _cColGrad;
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};
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} // namespace Gui
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#endif // GUI_SOFCCOLORGRADIENT_H
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