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/* **************************************************************************
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qgscontrastenhancementfunction.h - description
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begin : Fri Nov 16 2007
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copyright : (C) 2007 by Peter J. Ersts
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****************************************************************************/
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/* **************************************************************************
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#ifndef QGSCONTRASTENHANCEMENTFUNCTION_H
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#define QGSCONTRASTENHANCEMENTFUNCTION_H
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#include "qgscontrastenhancement.h"
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* A contrast enhancement funcion is the base class for all raster contrast enhancements.
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* The purpose of a contrast enhancement is to enhanceContrast or clip a pixel value into
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* a specified bounding range.
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class CORE_EXPORT QgsContrastEnhancementFunction
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QgsContrastEnhancementFunction( QgsContrastEnhancement::QgsRasterDataType, double, double );
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virtual ~QgsContrastEnhancementFunction() {}
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/** \brief A customizable method that takes in a double and returns a int between 0 and 255 */
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virtual int enhance( double );
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/** \brief A customicable method to indicate if the pixels is displayable */
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virtual bool isValueInDisplayableRange( double );
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/** \brief Mustator for the maximum value */
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void setMaximumValue( double );
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/** \brief Mutator for the minimum value */
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void setMinimumValue( double );
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/** \brief User defineable maximum value for the band, used for enhanceContrasting */
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/** \brief User defineable minimum value for the band, used for enhanceContrasting */
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/** \brief Minimum maximum range for the band, used for enhanceContrasting */
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double mMinimumMaximumRange;
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/** \brief Data type of the band */
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QgsContrastEnhancement::QgsRasterDataType mQgsRasterDataType;