flightgear/3rdparty/fonts/fntLocal.h

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2022-10-20 20:29:11 +08:00
/*
PLIB - A Suite of Portable Game Libraries
Copyright (C) 1998,2002 Steve Baker
This library 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 library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
For further information visit http://plib.sourceforge.net
$Id: fntLocal.h 1727 2002-11-09 21:27:21Z ude $
*/
#include "fnt.h"
extern int _fntIsSwapped ;
extern FILE *_fntCurrImageFd ;
inline void _fnt_swab_short ( unsigned short *x )
{
if ( _fntIsSwapped )
*x = (( *x >> 8 ) & 0x00FF ) |
(( *x << 8 ) & 0xFF00 ) ;
}
inline void _fnt_swab_int ( unsigned int *x )
{
if ( _fntIsSwapped )
*x = (( *x >> 24 ) & 0x000000FF ) |
(( *x >> 8 ) & 0x0000FF00 ) |
(( *x << 8 ) & 0x00FF0000 ) |
(( *x << 24 ) & 0xFF000000 ) ;
}
inline void _fnt_swab_int_array ( int *x, int leng )
{
if ( ! _fntIsSwapped )
return ;
for ( int i = 0 ; i < leng ; i++ )
{
*x = (( *x >> 24 ) & 0x000000FF ) |
(( *x >> 8 ) & 0x0000FF00 ) |
(( *x << 8 ) & 0x00FF0000 ) |
(( *x << 24 ) & 0xFF000000 ) ;
x++ ;
}
}
inline unsigned char _fnt_readByte ()
{
unsigned char x ;
fread ( & x, sizeof(unsigned char), 1, _fntCurrImageFd ) ;
return x ;
}
inline unsigned short _fnt_readShort ()
{
unsigned short x ;
fread ( & x, sizeof(unsigned short), 1, _fntCurrImageFd ) ;
_fnt_swab_short ( & x ) ;
return x ;
}
inline unsigned int _fnt_readInt ()
{
unsigned int x ;
fread ( & x, sizeof(unsigned int), 1, _fntCurrImageFd ) ;
_fnt_swab_int ( & x ) ;
return x ;
}
#define FNT_BYTE_FORMAT 0
#define FNT_BITMAP_FORMAT 1
struct TXF_Glyph
{
unsigned short ch ;
unsigned char w ;
unsigned char h ;
signed char x_off ;
signed char y_off ;
signed char step ;
signed char unknown ;
short x ;
short y ;
sgVec2 tx0 ; sgVec2 vx0 ;
sgVec2 tx1 ; sgVec2 vx1 ;
sgVec2 tx2 ; sgVec2 vx2 ;
sgVec2 tx3 ; sgVec2 vx3 ;
} ;
void fntSetError(int, const char* format, ...);