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pprdrv.h

/*
 * Modified for use within matplotlib
 * 5 July 2007
 * Michael Droettboom
 */

/*
** ~ppr/src/include/pprdrv.h
** Copyright 1995, Trinity College Computing Center.
** Written by David Chappell.
**
** Permission to use, copy, modify, and distribute this software and its
** documentation for any purpose and without fee is hereby granted, provided
** that the above copyright notice appear in all copies and that both that
** copyright notice and this permission notice appear in supporting
** documentation.  This software is provided "as is" without express or
** implied warranty.
**
** This file last revised 5 December 1995.
*/

#include <vector>
#include <assert.h>

/*
 * Encapsulates all of the output to write to an arbitrary output 
 * function.  This both removes the hardcoding of output to go to stdout
 * and makes output thread-safe.  Michael Droettboom [06-07-07]
 */
class TTStreamWriter {
 private:
  // Private copy and assignment
  TTStreamWriter& operator=(const TTStreamWriter& other);
  TTStreamWriter(const TTStreamWriter& other);

 public:
  TTStreamWriter() { }
  virtual ~TTStreamWriter() { }
  
  virtual void write(const char*) = 0;

  virtual void printf(const char* format, ...);
  virtual void putchar(int val);
  virtual void puts(const char* a);
  virtual void putline(const char* a);
};

class TTDictionaryCallback {
 private:
  // Private copy and assignment
  TTDictionaryCallback& operator=(const TTStreamWriter& other);
  TTDictionaryCallback(const TTStreamWriter& other);

 public:
  TTDictionaryCallback() { }
  virtual ~TTDictionaryCallback() { }

  virtual void add_pair(const char* key, const char* value) = 0;
};

void replace_newlines_with_spaces(char* a);

/*
 * A simple class for all ttconv exceptions.
 */
class TTException {
  const char* message;
  TTException& operator=(const TTStreamWriter& other);
  TTException(const TTStreamWriter& other);

 public:
  TTException(const char* message_) : message(message_) { }
  const char* getMessage() { return message; }
};

/* 
** No debug code will be included if this
** is not defined: 
*/
/* #define DEBUG 1 */

/*
** Uncomment the defines for the debugging
** code you want to have included.
*/
#ifdef DEBUG
#define DEBUG_TRUETYPE        /* truetype fonts, conversion to Postscript */
#endif

/* Do not change anything below this line. */

enum font_type_enum {
  PS_TYPE_3  = 3,
  PS_TYPE_42 = 42,
  PDF_TYPE_3 = -3
};

/* routines in pprdrv_tt.c */
void insert_ttfont(const char *filename, TTStreamWriter& stream, font_type_enum target_type, std::vector<int>& glyph_ids);

void get_pdf_charprocs(const char *filename, std::vector<int>& glyph_ids, TTDictionaryCallback& dict);

/* end of file */

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