a72a63232a
Every basic data type is stored in Base module, color is standing out as one that does not. Moving it to Base opens possibilities to integrate it better with the rest of FreeCAD.
126 lines
4.9 KiB
C++
126 lines
4.9 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 <vector>
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#include <Inventor/SbBox2f.h>
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#include <Inventor/nodes/SoSeparator.h>
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#include "SoFCColorBar.h"
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class SoCoordinate3;
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class SoIndexedFaceSet;
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class SoMaterial;
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class SoMaterialBinding;
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class SoMFString;
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class SoTransparencyType;
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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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using inherited = SoFCColorBarBase;
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SO_NODE_HEADER(Gui::SoFCColorGradient);
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public:
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static void initClass();
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static void finish();
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SoFCColorGradient();
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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 ) override;
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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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Base::Color getColor (float fVal) const override { return _cColGrad.getColor(fVal); }
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void setOutsideGrayed (bool bVal) override { _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 override;
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/** Returns the current minimum of the parameter range. */
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float getMinValue () const override { return _cColGrad.getMinValue(); }
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/** Returns the current maximum of the parameter range. */
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float getMaxValue () const override { return _cColGrad.getMaxValue(); }
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/**
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* Opens a dialog to customize the current settings of the color gradient bar.
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*/
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void customize(SoFCColorBarBase*) override;
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/** Returns the name of the color bar. */
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const char* getColorBarName() const override;
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protected:
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void applyFormat(const SoLabelTextFormat& fmt) override;
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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 ) override;
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~SoFCColorGradient() override;
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/**
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* Sets the color model of the underlying color gradient to \a index.
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*/
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void setColorModel (std::size_t index);
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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::ColorBarStyle 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 range [\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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bool isZeroBased(float fMin, float fMax) const;
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/** Sets the new labels. */
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int getNumColors() const;
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void setMarkerLabel( const SoMFString& label );
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void modifyPoints(const SbBox2f&);
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void setCoordSize(int numPoints);
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SoIndexedFaceSet* createFaceSet(int numFaces) const;
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SoTransparencyType* createTransparencyType() const;
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SoMaterial* createMaterial() const;
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SoMaterialBinding* createMaterialBinding() const;
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private:
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SoCoordinate3* coords;
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SoSeparator* labels;
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SbBox2f _bbox;
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int _precision{3};
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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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