/usr/include/podofo/doc/PdfFontType1.h is in libpodofo-dev 0.9.0-1.2.
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. *
***************************************************************************/
#ifndef _PDF_FONT_TYPE1_H_
#define _PDF_FONT_TYPE1_H_
#include "podofo/base/PdfDefines.h"
#include "PdfFontSimple.h"
namespace PoDoFo {
/** A PdfFont implementation that can be used
* to embedd type1 fonts into a PDF file
* or to draw with type1 fonts.
*/
class PdfFontType1 : public PdfFontSimple {
public:
/** Create a new Type1 font object.
*
* \param pMetrics pointer to a font metrics object. The font in the PDF
* file will match this fontmetrics object. The metrics object is
* deleted along with the font.
* \param pEncoding the encoding of this font. The font will not take ownership of this object.
* \param pParent parent of the font object
* \param bEmbed if true the font will get embedded.
*
*/
PdfFontType1( PdfFontMetrics* pMetrics, const PdfEncoding* const pEncoding,
PdfVecObjects* pParent, bool bEmbed );
/** Create a PdfFont based on an existing PdfObject
* \param pMetrics pointer to a font metrics object. The font in the PDF
* file will match this fontmetrics object. The metrics object is
* deleted along with the font.
* \param pEncoding the encoding of this font. The font will not take ownership of this object.
* \param pObject an existing PdfObject
*/
PdfFontType1( PdfFontMetrics* pMetrics, const PdfEncoding* const pEncoding,
PdfObject* pObject );
/** Create a PdfFont based on an existing PdfFont with a new id
* \param pFont pointer to existing font
* \param pMetrics pointer to a font metrics object. The font in the PDF
* file will match this fontmetrics object. The metrics object is
* deleted along with the font.
* \param pszSuffix Suffix to add to font-id
* \param pParent parent of the font object
*/
PdfFontType1( PdfFontType1* pFont, PdfFontMetrics* pMetrics, const char *pszSuffix, PdfVecObjects* pParent );
void InitBase14Font();
protected:
/** Remember the glyphs used in the string in case of subsetting
*
* \param sText the text string which should be printed (is not allowed to be NULL!)
* \param lStringLen draw only lLen characters of pszText
*/
virtual void AddUsedSubsettingGlyphs( const PdfString & sText, long lStringLen );
/** Remember the glyphname in case of subsetting
*
* \param sGlyphName Name of the glyph to remember
*/
virtual void AddUsedGlyphname( const char* sGlyphName );
/** Embeds pending subset-font into PDF page
*
*/
virtual void EmbedSubsetFont();
/** Embed the font file directly into the PDF file.
*
* \param pDescriptor font descriptor object
*/
virtual void EmbedFontFile( PdfObject* pDescriptor );
private:
bool FindSeac( const unsigned char * buffer, int length );
pdf_long FindInBuffer( const char* pszNeedle, const char* pszHaystack, pdf_long lLen ) const;
int m_bUsed[8]; // bitmask for usage if char 00..ff
std::set<std::string> m_sUsedGlyph; // array for special chars
};
/** Helper Class needed for parsing type1-font for subsetting
*/
class PdfType1Encrypt
{
public:
/** Create a new PdfTypeEncrypt object.
*
*/
PdfType1Encrypt();
/** Encrypts a character
*
* \param plain the character to encrypt.
*
* \return encrypted cipher
*
*/
unsigned char Encrypt( unsigned char plain );
/** Decrypts a character
*
* \param cipher the cipher to decrypt.
*
* \return decrypted character
*
*/
unsigned char Decrypt( unsigned char cipher );
protected:
unsigned short int m_r;
unsigned short int m_c1;
unsigned short int m_c2;
};
class PdfType1EncryptEexec : public PdfType1Encrypt
{
public:
/** Create a new PdfType1EncryptEexec object.
*
*/
PdfType1EncryptEexec();
};
class PdfType1EncryptCharstring : public PdfType1Encrypt
{
public:
/** Create a new PdfType1EncryptCharstring object.
*
*/
PdfType1EncryptCharstring();
};
};
#endif // _PDF_FONT_TYPE1_H_
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