/usr/include/podofo/doc/PdfShadingPattern.h is in libpodofo-dev 0.9.3-4.
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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_SHADING_PATTERN_H_
#define _PDF_SHADING_PATTERN_H_
#include "podofo/base/PdfDefines.h"
#include "podofo/base/PdfName.h"
#include "PdfElement.h"
namespace PoDoFo {
class PdfColor;
class PdfObject;
class PdfPage;
class PdfWriter;
enum EPdfShadingPatternType {
ePdfShadingPatternType_FunctionBase = 1,
ePdfShadingPatternType_Axial = 2,
ePdfShadingPatternType_Radial = 3,
ePdfShadingPatternType_FreeForm = 4,
ePdfShadingPatternType_LatticeForm = 5,
ePdfShadingPatternType_CoonsPatch = 6,
ePdfShadingPatternType_TensorProduct = 7
};
/**
* This class defined a shading pattern which can be used
* to fill abitrary shapes with a pattern using PdfPainter.
*/
class PODOFO_DOC_API PdfShadingPattern : public PdfElement {
public:
virtual ~PdfShadingPattern();
/** Returns the identifier of this ShadingPattern how it is known
* in the pages resource dictionary.
* \returns PdfName containing the identifier (e.g. /Sh13)
*/
inline const PdfName & GetIdentifier() const;
protected:
/** Create a new PdfShadingPattern object which will introduce itself
* automatically to every page object it is used on.
*
* \param pParent parent vector of objects
* \param eShadingType the type of this shading pattern
*
*/
PdfShadingPattern( EPdfShadingPatternType eShadingType, PdfVecObjects* pParent );
/** Create a new PdfShadingPattern object which will introduce itself
* automatically to every page object it is used on.
*
* \param pParent parent document
* \param eShadingType the type of this shading pattern
*
*/
PdfShadingPattern( EPdfShadingPatternType eShadingType, PdfDocument* pParent );
private:
/** Initialize the object
*
* \param eShadingType the type of this shading pattern
*/
void Init( EPdfShadingPatternType eShadingType );
private:
PdfName m_Identifier;
};
// -----------------------------------------------------
//
// -----------------------------------------------------
const PdfName & PdfShadingPattern::GetIdentifier() const
{
return m_Identifier;
}
/** A shading pattern that is a simple axial
* shading between two colors.
*/
class PODOFO_DOC_API PdfAxialShadingPattern : public PdfShadingPattern {
public:
/** Create an axial shading pattern
*
* \param dX0 the starting x coordinate
* \param dY0 the starting y coordinate
* \param dX1 the ending x coordinate
* \param dY1 the ending y coordinate
* \param rStart the starting color
* \param rEnd the ending color
* \param pParent the parent
*/
PdfAxialShadingPattern( double dX0, double dY0, double dX1, double dY1, const PdfColor & rStart, const PdfColor & rEnd, PdfVecObjects* pParent );
/** Create an axial shading pattern
*
* \param dX0 the starting x coordinate
* \param dY0 the starting y coordinate
* \param dX1 the ending x coordinate
* \param dY1 the ending y coordinate
* \param rStart the starting color
* \param rEnd the ending color
* \param pParent the parent
*/
PdfAxialShadingPattern( double dX0, double dY0, double dX1, double dY1, const PdfColor & rStart, const PdfColor & rEnd, PdfDocument* pParent );
private:
/** Initialize an axial shading pattern
*
* \param dX0 the starting x coordinate
* \param dY0 the starting y coordinate
* \param dX1 the ending x coordinate
* \param dY1 the ending y coordinate
* \param rStart the starting color
* \param rEnd the ending color
*/
void Init( double dX0, double dY0, double dX1, double dY1, const PdfColor & rStart, const PdfColor & rEnd );
};
/** A shading pattern that is an 2D
* shading between four colors.
*/
class PODOFO_DOC_API PdfFunctionBaseShadingPattern : public PdfShadingPattern {
public:
/** Create an 2D shading pattern
*
* \param rLL the color on lower left corner
* \param rUL the color on upper left corner
* \param rLR the color on lower right corner
* \param rUR the color on upper right corner
* \param rMatrix the transformation matrix mapping the coordinate space
* specified by the Domain entry into the shadings target coordinate space
* \param pParent the parent
*/
PdfFunctionBaseShadingPattern( const PdfColor & rLL, const PdfColor & rUL, const PdfColor & rLR, const PdfColor & rUR, const PdfArray & rMatrix, PdfVecObjects* pParent );
/** Create an 2D shading pattern
*
* \param rLL the color on lower left corner
* \param rUL the color on upper left corner
* \param rLR the color on lower right corner
* \param rUR the color on upper right corner
* \param rMatrix the transformation matrix mapping the coordinate space
* specified by the Domain entry into the shading's target coordinate space
* \param pParent the parent
*/
PdfFunctionBaseShadingPattern( const PdfColor & rLL, const PdfColor & rUL, const PdfColor & rLR, const PdfColor & rUR, const PdfArray & rMatrix, PdfDocument* pParent );
private:
/** Initialize an 2D shading pattern
*
* \param rLL the color on lower left corner
* \param rUL the color on upper left corner
* \param rLR the color on lower right corner
* \param rUR the color on upper right corner
* \param rMatrix the transformation matrix mapping the coordinate space
* specified by the Domain entry into the shading's target coordinate space
*/
void Init( const PdfColor & rLL, const PdfColor & rUL, const PdfColor & rLR, const PdfColor & rUR, const PdfArray & rMatrix );
};
/** A shading pattern that is a simple radial
* shading between two colors.
*/
class PODOFO_DOC_API PdfRadialShadingPattern : public PdfShadingPattern {
public:
/** Create an radial shading pattern
*
* \param dX0 the inner circles x coordinate
* \param dY0 the inner circles y coordinate
* \param dR0 the inner circles radius
* \param dX1 the outer circles x coordinate
* \param dY1 the outer circles y coordinate
* \param dR1 the outer circles radius
* \param rStart the starting color
* \param rEnd the ending color
* \param pParent the parent
*/
PdfRadialShadingPattern( double dX0, double dY0, double dR0, double dX1, double dY1, double dR1, const PdfColor & rStart, const PdfColor & rEnd, PdfVecObjects* pParent );
/** Create an radial shading pattern
*
* \param dX0 the inner circles x coordinate
* \param dY0 the inner circles y coordinate
* \param dR0 the inner circles radius
* \param dX1 the outer circles x coordinate
* \param dY1 the outer circles y coordinate
* \param dR1 the outer circles radius
* \param rStart the starting color
* \param rEnd the ending color
* \param pParent the parent
*/
PdfRadialShadingPattern( double dX0, double dY0, double dR0, double dX1, double dY1, double dR1, const PdfColor & rStart, const PdfColor & rEnd, PdfDocument* pParent );
private:
/** Initialize an radial shading pattern
*
* \param dX0 the inner circles x coordinate
* \param dY0 the inner circles y coordinate
* \param dR0 the inner circles radius
* \param dX1 the outer circles x coordinate
* \param dY1 the outer circles y coordinate
* \param dR1 the outer circles radius
* \param rStart the starting color
* \param rEnd the ending color
*/
void Init( double dX0, double dY0, double dR0, double dX1, double dY1, double dR1, const PdfColor & rStart, const PdfColor & rEnd );
};
/** A shading pattern that is a simple triangle
* shading between three colors. It's a single-triangle
* simplified variation of a FreeForm shadding pattern.
*/
class PODOFO_DOC_API PdfTriangleShadingPattern : public PdfShadingPattern {
public:
/** Create a triangle shading pattern
*
* \param dX0 triangle x coordinate of point 0
* \param dY0 triangle y coordinate of point 0
* \param color0 color of point 0
* \param dX1 triangle x coordinate of point 1
* \param dY1 triangle y coordinate of point 1
* \param color1 color of point 1
* \param dX2 triangle x coordinate of point 2
* \param dY2 triangle y coordinate of point 2
* \param color2 color of point 2
* \param pParent the parent
*/
PdfTriangleShadingPattern( double dX0, double dY0, const PdfColor &color0, double dX1, double dY1, const PdfColor &color1, double dX2, double dY2, const PdfColor &color2, PdfVecObjects* pParent );
/** Create a triangle shading pattern
*
* \param dX0 triangle x coordinate of point 0
* \param dY0 triangle y coordinate of point 0
* \param color0 color of point 0
* \param dX1 triangle x coordinate of point 1
* \param dY1 triangle y coordinate of point 1
* \param color1 color of point 1
* \param dX2 triangle x coordinate of point 2
* \param dY2 triangle y coordinate of point 2
* \param color2 color of point 2
* \param pParent the parent
*/
PdfTriangleShadingPattern( double dX0, double dY0, const PdfColor &color0, double dX1, double dY1, const PdfColor &color1, double dX2, double dY2, const PdfColor &color2, PdfDocument* pParent );
private:
/** Initialize a triangle shading pattern
*
* \param dX0 triangle x coordinate of point 0
* \param dY0 triangle y coordinate of point 0
* \param color0 color of point 0
* \param dX1 triangle x coordinate of point 1
* \param dY1 triangle y coordinate of point 1
* \param color1 color of point 1
* \param dX2 triangle x coordinate of point 2
* \param dY2 triangle y coordinate of point 2
* \param color2 color of point 2
*/
void Init( double dX0, double dY0, const PdfColor &color0, double dX1, double dY1, const PdfColor &color1, double dX2, double dY2, const PdfColor &color2 );
};
};
#endif // _PDF_SHADING_PATTERN_H_
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