141 lines
5.1 KiB
C++
141 lines
5.1 KiB
C++
/***************************************************************************
|
|
* Copyright (c) 2005 Werner Mayer <wmayer[at]users.sourceforge.net> *
|
|
* *
|
|
* This file is part of the FreeCAD CAx development system. *
|
|
* *
|
|
* This library is free software; you can redistribute it and/or *
|
|
* modify it under the terms of the GNU Library General Public *
|
|
* License as published by the Free Software Foundation; either *
|
|
* version 2 of the License, or (at your option) any later version. *
|
|
* *
|
|
* This library is distributed in the hope that it will be useful, *
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
|
|
* GNU Library General Public License for more details. *
|
|
* *
|
|
* You should have received a copy of the GNU Library General Public *
|
|
* License along with this library; see the file COPYING.LIB. If not, *
|
|
* write to the Free Software Foundation, Inc., 59 Temple Place, *
|
|
* Suite 330, Boston, MA 02111-1307, USA *
|
|
* *
|
|
***************************************************************************/
|
|
|
|
#ifndef GUI_SOFCCOLORGRADIENT_H
|
|
#define GUI_SOFCCOLORGRADIENT_H
|
|
|
|
#include <vector>
|
|
#include <Inventor/SbBox2f.h>
|
|
#include <Inventor/nodes/SoSeparator.h>
|
|
|
|
#include "SoFCColorBar.h"
|
|
|
|
|
|
class SoCoordinate3;
|
|
class SoIndexedFaceSet;
|
|
class SoMaterial;
|
|
class SoMaterialBinding;
|
|
class SoMFString;
|
|
class SoTransparencyType;
|
|
class SbVec2s;
|
|
|
|
namespace Gui
|
|
{
|
|
|
|
class GuiExport SoFCColorGradient: public SoFCColorBarBase
|
|
{
|
|
using inherited = SoFCColorBarBase;
|
|
|
|
SO_NODE_HEADER(Gui::SoFCColorGradient);
|
|
|
|
public:
|
|
static void initClass();
|
|
static void finish();
|
|
SoFCColorGradient();
|
|
|
|
/**
|
|
* Sets the range of the colorbar from the maximum \a fMax to the minimum \a fMin.
|
|
* \a prec indicates the post decimal positions, \a prec should be in between 0 and 6.
|
|
*/
|
|
void setRange(float fMin, float fMax, int prec = 3) override;
|
|
/**
|
|
* Returns the associated color to the value \a fVal.
|
|
*/
|
|
Base::Color getColor(float fVal) const override
|
|
{
|
|
return _cColGrad.getColor(fVal);
|
|
}
|
|
void setOutsideGrayed(bool bVal) override
|
|
{
|
|
_cColGrad.setOutsideGrayed(bVal);
|
|
}
|
|
/**
|
|
* Returns always true if the gradient is in mode to show colors to arbitrary values of \a fVal,
|
|
* otherwise true is returned if \a fVal is within the specified parameter range, if not false
|
|
* is returned.
|
|
*/
|
|
bool isVisible(float fVal) const override;
|
|
/** Returns the current minimum of the parameter range. */
|
|
float getMinValue() const override
|
|
{
|
|
return _cColGrad.getMinValue();
|
|
}
|
|
/** Returns the current maximum of the parameter range. */
|
|
float getMaxValue() const override
|
|
{
|
|
return _cColGrad.getMaxValue();
|
|
}
|
|
/**
|
|
* Opens a dialog to customize the current settings of the color gradient bar.
|
|
*/
|
|
void customize(SoFCColorBarBase*) override;
|
|
/** Returns the name of the color bar. */
|
|
const char* getColorBarName() const override;
|
|
|
|
protected:
|
|
void applyFormat(const SoLabelTextFormat& fmt) override;
|
|
/**
|
|
* Sets the current viewer size this color gradient is embedded into, to recalculate its new
|
|
* position.
|
|
*/
|
|
void setViewportSize(const SbVec2s& size) override;
|
|
|
|
~SoFCColorGradient() override;
|
|
/**
|
|
* Sets the color model of the underlying color gradient to \a index.
|
|
*/
|
|
void setColorModel(std::size_t index);
|
|
/**
|
|
* Sets the color style of the underlying color gradient to \a tStyle. \a tStyle either can
|
|
* be \c FLOW or \c ZERO_BASED
|
|
*/
|
|
void setColorStyle(App::ColorBarStyle tStyle);
|
|
/** Rebuild the gradient bar. */
|
|
void rebuildGradient();
|
|
/** Returns a list of \a count labels within the range [\a fMin, \a fMax]. */
|
|
std::vector<float> getMarkerValues(float fMin, float fMax, int count) const;
|
|
|
|
private:
|
|
bool isZeroBased(float fMin, float fMax) const;
|
|
/** Sets the new labels. */
|
|
int getNumColors() const;
|
|
void setMarkerLabel(const SoMFString& label);
|
|
void modifyPoints(const SbBox2f&);
|
|
void setCoordSize(int numPoints);
|
|
SoIndexedFaceSet* createFaceSet(int numFaces) const;
|
|
SoTransparencyType* createTransparencyType() const;
|
|
SoMaterial* createMaterial() const;
|
|
SoMaterialBinding* createMaterialBinding() const;
|
|
|
|
private:
|
|
SoCoordinate3* coords;
|
|
SoSeparator* labels;
|
|
SbBox2f _bbox;
|
|
int _precision {3};
|
|
App::ColorGradient _cColGrad;
|
|
};
|
|
|
|
} // namespace Gui
|
|
|
|
|
|
#endif // GUI_SOFCCOLORGRADIENT_H
|