/*
    GD font center
    Copyright (C) 2002  VVK (valera@sbnet.ru), CNII Center, Moscow

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU 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 General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/


#ifndef __GDMFONT_H
#define __GDMFONT_H

#ifdef __cplusplus
extern "C" {
#endif

struct gdImageStruct;

/***************************************************************************/
/*                                                                         */
/*  Modified gd font                                                       */
/*                                                                         */
/***************************************************************************/

struct gd_mkern
{
  unsigned char left;
  unsigned char right;
  short delta;
};

struct gd_mchar
{
  unsigned short width, height;
  unsigned short xadvance, yadvance;
  short dx, dy;
  unsigned int pointer;
};

struct gd_mfont
{
  int type;
  int nColor;
  const unsigned char *data;
  const struct gd_mchar *chars;
  int startChar, endChar;
  int width, height;
  int xorigin, yorigin;
  unsigned int dataSize;
  unsigned int flags;
  const struct gd_mkern *kerns;
};

enum
{
  GD_MFONT_PLAIN = 0,
  GD_MFONT_FIXED_WIDTH,
  GD_MFONT_PORTED
};

#define mffSaveBlanks                  0x0100u
#define mffNewLine                     0x0200u
#define mffRotateLeft                  0x0400u
#define mffRotateRight                 0x0800u
#define mffUpperTable                  0x1000u
#define mffNegativeSpacing             0x2000u
#define mffRightAlign                  0x4000u
#define mffMirror                      0x8000u

#define mfsFixedWidth                  0x0001u
#define mfsBold                        0x0002u
#define mfsItalic                      0x0004u

int gdMFontCharSize( const struct gd_mfont *mf, int c);
void gdMFontChar( struct gdImageStruct *im, const struct gd_mfont *mf,
    int x, int y, int c, int color, unsigned int flags);

int gdMFontStringSize( const struct gd_mfont *mf, const char *string,
    int *pheight, unsigned int flags, const unsigned char *table);
void gdMFontString( struct gdImageStruct *im, const struct gd_mfont *mf, int x, int y,
    const char *string, int color, unsigned int flags, const unsigned char *table);

int gdMFontTextSize( const struct gd_mfont *mf, const char *text,
    int length, int *pheight, unsigned int flags, const unsigned char *table);
void gdMFontText( struct gdImageStruct *im, const struct gd_mfont *mf, int x, int y,
    const char *text, int length, int color, unsigned int flags, const unsigned char *table);

extern const unsigned char gdTableKoi2win[256];
extern const unsigned char gdTableWin2koi[256];

/***************************************************************************/
/*                                                                         */
/*  Font image                                                             */
/*                                                                         */
/***************************************************************************/

int gdMFontPrintImage( const char *fileName, const struct gd_mfont *mf,
    unsigned int flags);
int gdMFontTextImage( const char *fileName, const struct gd_mfont *mf,
    const char *text, const unsigned char *table, unsigned int flags);

struct gd_mfont_item
{
  const struct gd_mfont *mf;
  const char *fileName;
};

int gdMFontPrintList( const struct gd_mfont_item *list, unsigned int flags);
int gdMFontTextList( const struct gd_mfont_item *list, const char *text,
    const unsigned char *table, unsigned int flags);

#ifdef __cplusplus
}
#endif

#endif