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