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/*
* gcc -DFT2_BUILD_LIBRARY -I../../include -o test_afm test_afm.c \
* -L../../objs/.libs -lfreetype -lz -static
*/
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_INTERNAL_STREAM_H
#include FT_INTERNAL_POSTSCRIPT_AUX_H
void dump_fontinfo( AFM_FontInfo fi )
{
FT_UInt i;
printf( "This AFM is for %sCID font.\n\n",
( fi->IsCIDFont ) ? "" : "non-" );
printf( "FontBBox: %.2f %.2f %.2f %.2f\n", fi->FontBBox.xMin / 65536.,
fi->FontBBox.yMin / 65536.,
fi->FontBBox.xMax / 65536.,
fi->FontBBox.yMax / 65536. );
printf( "Ascender: %.2f\n", fi->Ascender / 65536. );
printf( "Descender: %.2f\n\n", fi->Descender / 65536. );
if ( fi->NumTrackKern )
printf( "There are %d sets of track kernings:\n",
fi->NumTrackKern );
else
printf( "There is no track kerning.\n" );
for ( i = 0; i < fi->NumTrackKern; i++ )
{
AFM_TrackKern tk = fi->TrackKerns + i;
printf( "\t%2d: %5.2f %5.2f %5.2f %5.2f\n", tk->degree,
tk->min_ptsize / 65536.,
tk->min_kern / 65536.,
tk->max_ptsize / 65536.,
tk->max_kern / 65536. );
}
printf( "\n" );
if ( fi->NumKernPair )
printf( "There are %d kerning pairs:\n",
fi->NumKernPair );
else
printf( "There is no kerning pair.\n" );
for ( i = 0; i < fi->NumKernPair; i++ )
{
AFM_KernPair kp = fi->KernPairs + i;
printf( "\t%3d + %3d => (%4d, %4d)\n", kp->index1,
kp->index2,
kp->x,
kp->y );
}
}
int
dummy_get_index( const char* name,
FT_Offset len,
void* user_data )
{
if ( len )
return name[0];
else
return 0;
}
FT_Error
parse_afm( FT_Library library,
FT_Stream stream,
AFM_FontInfo fi )
{
PSAux_Service psaux;
AFM_ParserRec parser;
FT_Error error = FT_Err_Ok;
psaux = (PSAux_Service)FT_Get_Module_Interface( library, "psaux" );
if ( !psaux || !psaux->afm_parser_funcs )
return -1;
error = FT_Stream_EnterFrame( stream, stream->size );
if ( error )
return error;
error = psaux->afm_parser_funcs->init( &parser,
library->memory,
stream->cursor,
stream->limit );
if ( error )
return error;
parser.FontInfo = fi;
parser.get_index = dummy_get_index;
error = psaux->afm_parser_funcs->parse( &parser );
psaux->afm_parser_funcs->done( &parser );
return error;
}
int main( int argc,
char** argv )
{
FT_Library library;
FT_StreamRec stream;
FT_Error error = FT_Err_Ok;
AFM_FontInfoRec fi;
if ( argc < 2 )
return FT_ERR( Invalid_Argument );
error = FT_Init_FreeType( &library );
if ( error )
return error;
FT_ZERO( &stream );
error = FT_Stream_Open( &stream, argv[1] );
if ( error )
goto Exit;
stream.memory = library->memory;
FT_ZERO( &fi );
error = parse_afm( library, &stream, &fi );
if ( !error )
{
FT_Memory memory = library->memory;
dump_fontinfo( &fi );
if ( fi.KernPairs )
FT_FREE( fi.KernPairs );
if ( fi.TrackKerns )
FT_FREE( fi.TrackKerns );
}
else
printf( "parse error\n" );
FT_Stream_Close( &stream );
Exit:
FT_Done_FreeType( library );
return error;
}
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