/usr/include/podofo/doc/PdfFunction.h is in libpodofo-dev 0.9.4-6.
This file is owned by root:root, with mode 0o644.
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* Copyright (C) 2007 by Dominik Seichter *
* domseichter@web.de *
* *
* This program 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 program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
* In addition, as a special exception, the copyright holders give *
* permission to link the code of portions of this program with the *
* OpenSSL library under certain conditions as described in each *
* individual source file, and distribute linked combinations *
* including the two. *
* You must obey the GNU General Public License in all respects *
* for all of the code used other than OpenSSL. If you modify *
* file(s) with this exception, you may extend this exception to your *
* version of the file(s), but you are not obligated to do so. If you *
* do not wish to do so, delete this exception statement from your *
* version. If you delete this exception statement from all source *
* files in the program, then also delete it here. *
***************************************************************************/
#ifndef _PDF_FUNCTION_H_
#define _PDF_FUNCTION_H_
#include "podofo/base/PdfDefines.h"
#include "PdfElement.h"
#include <list>
namespace PoDoFo {
class PdfArray;
/**
* The function type of a mathematical function in a PDF file.
*/
enum EPdfFunctionType {
ePdfFunctionType_Sampled = 0, ///< A sampled function (Type1)
ePdfFunctionType_Exponential = 2, ///< An exponential interpolation function (Type2)
ePdfFunctionType_Stitching = 3, ///< A stitching function (Type3)
ePdfFunctionType_PostScript = 4 ///< A PostScript calculator function (Type4)
};
/**
* This class defines a PdfFunction.
* A function can be used in various ways in a PDF file.
* Examples are device dependent rasterization for high quality
* printing or color transformation functions for certain colorspaces.
*/
class PODOFO_DOC_API PdfFunction : public PdfElement {
public:
typedef std::list<PdfFunction> List;
typedef std::list<char> Sample;
virtual ~PdfFunction();
protected:
/** Create a new PdfFunction object.
*
* \param eType the function type
* \param rDomain this array describes the input parameters of this PdfFunction. If this
* function has m input parameters, this array has to contain 2*m numbers
* where each number describes either the lower or upper boundary of the input range.
* \param pParent parent vector of objects
*
*/
PdfFunction( EPdfFunctionType eType, const PdfArray & rDomain, PdfVecObjects* pParent );
/** Create a new PdfFunction object.
*
* \param eType the function type
* \param rDomain this array describes the input parameters of this PdfFunction. If this
* function has m input parameters, this array has to contain 2*m numbers
* where each number describes either the lower or upper boundary of the input range.
* \param pParent parent document
*
*/
PdfFunction( EPdfFunctionType eType, const PdfArray & rDomain, PdfDocument* pParent );
private:
/** Initialize this object.
*
* \param eType the function type
* \param rDomain this array describes the input parameters of this PdfFunction. If this
* function has m input parameters, this array has to contain 2*m numbers
* where each number describes either the lower or upper boundary of the input range.
*/
void Init( EPdfFunctionType eType, const PdfArray & rDomain );
};
/** This class is a PdfSampledFunction.
*/
class PODOFO_DOC_API PdfSampledFunction : public PdfFunction {
public:
/** Create a new PdfSampledFunction object.
*
* \param rDomain this array describes the input parameters of this PdfFunction. If this
* function has m input parameters, this array has to contain 2*m numbers
* where each number describes either the lower or upper boundary of the input range.
* \param rRange this array describes the output parameters of this PdfFunction. If this
* function has n input parameters, this array has to contain 2*n numbers
* where each number describes either the lower or upper boundary of the output range.
* \param rlstSamples a list of bytes which are used to build up this function sample data
* \param pParent parent vector of objects
*/
PdfSampledFunction( const PdfArray & rDomain, const PdfArray & rRange, const PdfFunction::Sample & rlstSamples, PdfVecObjects* pParent );
/** Create a new PdfSampledFunction object.
*
* \param rDomain this array describes the input parameters of this PdfFunction. If this
* function has m input parameters, this array has to contain 2*m numbers
* where each number describes either the lower or upper boundary of the input range.
* \param rRange this array describes the output parameters of this PdfFunction. If this
* function has n input parameters, this array has to contain 2*n numbers
* where each number describes either the lower or upper boundary of the output range.
* \param rlstSamples a list of bytes which are used to build up this function sample data
* \param pParent parent document
*/
PdfSampledFunction( const PdfArray & rDomain, const PdfArray & rRange, const PdfFunction::Sample & rlstSamples, PdfDocument* pParent );
private:
/** Initialize this object.
*/
void Init( const PdfArray & rDomain, const PdfArray & rRange, const PdfFunction::Sample & rlstSamples );
};
/** This class is a PdfExponentialFunction.
*/
class PODOFO_DOC_API PdfExponentialFunction : public PdfFunction {
public:
/** Create a new PdfExponentialFunction object.
*
* \param rDomain this array describes the input parameters of this PdfFunction. If this
* function has m input parameters, this array has to contain 2*m numbers
* where each number describes either the lower or upper boundary of the input range.
* \param rC0
* \param rC1
* \param dExponent
* \param pParent parent vector of objects
*/
PdfExponentialFunction( const PdfArray & rDomain, const PdfArray & rC0, const PdfArray & rC1, double dExponent, PdfVecObjects* pParent );
/** Create a new PdfExponentialFunction object.
*
* \param rDomain this array describes the input parameters of this PdfFunction. If this
* function has m input parameters, this array has to contain 2*m numbers
* where each number describes either the lower or upper boundary of the input range.
* \param rC0
* \param rC1
* \param dExponent
* \param pParent parent document
*/
PdfExponentialFunction( const PdfArray & rDomain, const PdfArray & rC0, const PdfArray & rC1, double dExponent, PdfDocument* pParent );
private:
/** Initialize this object.
*/
void Init( const PdfArray & rC0, const PdfArray & rC1, double dExponent );
};
/** This class is a PdfStitchingFunction, i.e. a PdfFunction that combines
* more than one PdfFunction into one.
*
* It combines several PdfFunctions that take 1 input parameter to
* a new PdfFunction taking again only 1 input parameter.
*/
class PODOFO_DOC_API PdfStitchingFunction : public PdfFunction {
public:
/** Create a new PdfStitchingFunction object.
*
* \param rlstFunctions a list of functions which are used to built up this function object
* \param rDomain this array describes the input parameters of this PdfFunction. If this
* function has m input parameters, this array has to contain 2*m numbers
* where each number describes either the lower or upper boundary of the input range.
* \param rBounds the bounds array
* \param rEncode the encode array
* \param pParent parent vector of objects
*
*/
PdfStitchingFunction( const PdfFunction::List & rlstFunctions, const PdfArray & rDomain, const PdfArray & rBounds, const PdfArray & rEncode, PdfVecObjects* pParent );
/** Create a new PdfStitchingFunction object.
*
* \param rlstFunctions a list of functions which are used to built up this function object
* \param rDomain this array describes the input parameters of this PdfFunction. If this
* function has m input parameters, this array has to contain 2*m numbers
* where each number describes either the lower or upper boundary of the input range.
* \param rBounds the bounds array
* \param rEncode the encode array
* \param pParent parent document
*
*/
PdfStitchingFunction( const PdfFunction::List & rlstFunctions, const PdfArray & rDomain, const PdfArray & rBounds, const PdfArray & rEncode, PdfDocument* pParent );
private:
/** Initialize this object.
*
* \param rlstFunctions a list of functions which are used to built up this function object
* \param rBounds the bounds array
* \param rEncode the encode array
*/
void Init( const PdfFunction::List & rlstFunctions, const PdfArray & rBounds, const PdfArray & rEncode );
};
};
#endif // _PDF_FUNCTION_H_
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