/* $Id: symbol.c,v 1.4 2008/12/11 12:18:17 ecd Exp $ */ #include #include #include #include #include "symbol.h" static const cairo_path_data_t symbol_square_path_data[] = { SYMBOL_MOVE_TO( 0.100, 0.100 ), SYMBOL_LINE_TO( 0.500, 0.000 ), SYMBOL_LINE_TO( 0.000, 0.500 ), SYMBOL_LINE_TO( -0.500, 0.000 ), SYMBOL_CLOSE_PATH() }; SYMBOL( square, 0.7, 0.0, 0.1, 0.1, 0.6, 0.6 ); static const cairo_path_data_t symbol_triangleup_path_data[] = { SYMBOL_MOVE_TO( 0.100, 0.000 ), SYMBOL_LINE_TO( 0.800, 0.000 ), SYMBOL_LINE_TO( -0.400, 0.693 ), SYMBOL_CLOSE_PATH() }; SYMBOL( triangleup, 1.0, 0.0, 0.1, 0.0, 0.9, 0.693 ); static const cairo_path_data_t symbol_triangleright_path_data[] = { SYMBOL_MOVE_TO( 0.100, 0.000 ), SYMBOL_LINE_TO( 0.000, 0.800 ), SYMBOL_LINE_TO( 0.693, -0.400 ), SYMBOL_CLOSE_PATH() }; SYMBOL( triangleright, 0.893, 0.0, 0.1, 0.0, 0.793, 0.8 ); static const cairo_path_data_t symbol_arrowleftdblfull_path_data[] = { SYMBOL_MOVE_TO( 0.100, 0.370 ), SYMBOL_LINE_TO( 0.652, 0.500 ), SYMBOL_LINE_TO( 0.000, -0.250 ), SYMBOL_LINE_TO( 1.000, 0.000 ), SYMBOL_LINE_TO( 0.000, -0.500 ), SYMBOL_LINE_TO( -1.000, 0.000 ), SYMBOL_LINE_TO( 0.000, -0.250 ), SYMBOL_CLOSE_PATH() }; SYMBOL( arrowleftdblfull, 1.852, 0.0, 0.1, -0.13, 1.752, 0.87 ); static const cairo_path_data_t symbol_uparrowleft_path_data[] = { SYMBOL_MOVE_TO( 0.100, 0.500 ), SYMBOL_LINE_TO( 0.600, 0.200 ), SYMBOL_LINE_TO( 0.000, -0.150 ), SYMBOL_LINE_TO( 0.500, 0.000 ), SYMBOL_LINE_TO( 0.000, -0.550 ), SYMBOL_LINE_TO( -0.100, 0.000 ), SYMBOL_LINE_TO( 0.000, 0.450 ), SYMBOL_LINE_TO( -0.400, 0.000 ), SYMBOL_LINE_TO( 0.000, -0.150 ), SYMBOL_CLOSE_PATH() }; SYMBOL( uparrowleft, 1.3, 0.0, 0.1, 0.0, 1.2, 0.7 ); static const cairo_path_data_t symbol_uparrowright_path_data[] = { SYMBOL_MOVE_TO( 1.200, 0.500 ), SYMBOL_LINE_TO( -0.600, 0.200 ), SYMBOL_LINE_TO( 0.000, -0.150 ), SYMBOL_LINE_TO( -0.500, 0.000 ), SYMBOL_LINE_TO( 0.000, -0.550 ), SYMBOL_LINE_TO( 0.100, 0.000 ), SYMBOL_LINE_TO( 0.000, 0.450 ), SYMBOL_LINE_TO( 0.400, 0.000 ), SYMBOL_LINE_TO( 0.000, -0.150 ), SYMBOL_CLOSE_PATH() }; SYMBOL( uparrowright, 1.3, 0.0, 0.1, 0.0, 1.2, 0.7 ); static const cairo_path_data_t symbol_tick_path_data[] = { SYMBOL_MOVE_TO( 0.100, 0.400 ), SYMBOL_LINE_TO( 0.000, 0.450 ), SYMBOL_LINE_TO( 0.150, 0.000 ), SYMBOL_LINE_TO( 0.000, -0.450 ), SYMBOL_CLOSE_PATH() }; SYMBOL( tick, 0.35, 0.0, 0.1, 0.4, 0.25, 0.85 ); static const cairo_path_data_t symbol_radical_path_data[] = { SYMBOL_MOVE_TO( 0.000, 0.500 ), SYMBOL_LINE_TO( 0.214, 0.100 ), SYMBOL_LINE_TO( 0.213, -0.456 ), SYMBOL_LINE_TO( 0.229, 0.856 ), SYMBOL_LINE_TO( 0.077, 0.000 ), SYMBOL_LINE_TO( 0.000, -0.100 ), SYMBOL_LINE_TO( -0.281, -1.050 ), SYMBOL_LINE_TO( -0.287, 0.616 ), SYMBOL_LINE_TO( -0.123, -0.057 ), SYMBOL_CLOSE_PATH() }; SYMBOL( radical, 0.733, 0.0, 0.0, -0.15, 0.733, 1.0 ); static const cairo_path_data_t symbol_overscore_path_data[] = { SYMBOL_MOVE_TO( 0.000, 1.000 ), SYMBOL_LINE_TO( 0.900, 0.000 ), SYMBOL_LINE_TO( 0.000, -0.100 ), SYMBOL_LINE_TO( -0.900, 0.000 ), SYMBOL_CLOSE_PATH() }; SYMBOL( overscore, 0.8, 0.0, 0.0, 0.9, 0.9, 1.0 ); static const cairo_path_data_t symbol_minus_path_data[] = { SYMBOL_MOVE_TO( 0.050, 0.312 ), SYMBOL_LINE_TO( 0.000, 0.118 ), SYMBOL_LINE_TO( 0.500, 0.000 ), SYMBOL_LINE_TO( 0.000, -0.118 ), SYMBOL_CLOSE_PATH() }; SYMBOL( minus, 0.6, 0.0, 0.05, 0.312, 0.55, 0.430 ); static const cairo_path_data_t symbol_divide_path_data[] = { SYMBOL_MOVE_TO( 0.050, 0.312 ), SYMBOL_LINE_TO( 0.000, 0.118 ), SYMBOL_LINE_TO( 0.500, 0.000 ), SYMBOL_LINE_TO( 0.000, -0.118 ), SYMBOL_CLOSE_PATH(), SYMBOL_MOVE_TO( 0.180, -0.108 ), SYMBOL_LINE_TO( 0.135, 0.000 ), SYMBOL_LINE_TO( 0.000, -0.135 ), SYMBOL_LINE_TO( -0.135, 0.000 ), SYMBOL_CLOSE_PATH(), SYMBOL_MOVE_TO( 0.000, 0.334 ), SYMBOL_LINE_TO( 0.000, 0.135 ), SYMBOL_LINE_TO( 0.135, 0.000 ), SYMBOL_LINE_TO( 0.000, -0.135 ), SYMBOL_CLOSE_PATH() }; SYMBOL( divide, 0.6, 0.0, 0.05, 0.069, 0.55, 0.673 ); static const cairo_path_data_t symbol_divisionslash_path_data[] = { SYMBOL_MOVE_TO( 0.050, 0.000 ), SYMBOL_LINE_TO( 0.345, 0.739 ), SYMBOL_LINE_TO( 0.130, 0.000 ), SYMBOL_LINE_TO( -0.345, -0.739 ), SYMBOL_CLOSE_PATH() }; SYMBOL( divisionslash, 0.575, 0.000, 0.050, 0.000, 0.525, 0.739 ); CONTROL( beginsuperscript, 0.0, 0.5, 1.0, 0.8 ); CONTROL( endsuperscript, 0.0, 0.5, 1.25, 1.0 ); CONTROL( kern_m1, -0.1, 0.0, 1.0, 1.0 ); CONTROL( kern_m2, -0.2, 0.0, 1.0, 1.0 ); CONTROL( kern_m3, -0.3, 0.0, 1.0, 1.0 ); CONTROL( kern_m4, -0.4, 0.0, 1.0, 1.0 ); CONTROL( kern_m5, -0.5, 0.0, 1.0, 1.0 ); CONTROL( kern_m6, -0.6, 0.0, 1.0, 1.0 ); CONTROL( kern_m7, -0.7, 0.0, 1.0, 1.0 ); CONTROL( kern_m8, -0.8, 0.0, 1.0, 1.0 ); CONTROL( kern_m9, -0.9, 0.0, 1.0, 1.0 ); typedef struct { const char* name; const x49gp_symbol_t* symbol; } symbol_name_t; static const symbol_name_t symbol_names[] = { {".notdef", &symbol_square }, {"arrowleftdblfull", &symbol_arrowleftdblfull}, {"divide", &symbol_divide }, {"divisionslash", &symbol_divisionslash }, {"minus", &symbol_minus }, {"overscore", &symbol_overscore }, {"radical", &symbol_radical }, {"square", &symbol_square }, {"tick", &symbol_tick }, {"triangleright", &symbol_triangleright }, {"triangleup", &symbol_triangleup }, {"uparrowleft", &symbol_uparrowleft }, {"uparrowright", &symbol_uparrowright }, {"super", &symbol_beginsuperscript}, {"/super", &symbol_endsuperscript }, {"kern-1", &symbol_kern_m1 }, {"kern-2", &symbol_kern_m2 }, {"kern-3", &symbol_kern_m3 }, {"kern-4", &symbol_kern_m4 }, {"kern-5", &symbol_kern_m5 }, {"kern-6", &symbol_kern_m6 }, {"kern-7", &symbol_kern_m7 }, {"kern-8", &symbol_kern_m8 }, {"kern-9", &symbol_kern_m9 }, {NULL, NULL } }; #define NR_SYMBOLS ( sizeof( symbol_names ) / sizeof( symbol_names[ 0 ] ) - 1 ) int symbol_lookup_glyph_by_name( const char* name, int namelen, gunichar* glyph ) { const symbol_name_t* symname; int i = 0; /* * Code symbols as Unicode Private Use from U+E000 on... */ symname = symbol_names; while ( symname->name ) { if ( ( strlen( symname->name ) == namelen ) && !strncmp( symname->name, name, namelen ) ) { if ( glyph ) { *glyph = 0xe000 + i; } return 1; } symname++; i++; } return 0; } const x49gp_symbol_t* symbol_get_by_glyph( gunichar glyph ) { int index = glyph - 0xe000; if ( ( index >= 0 ) && ( index < NR_SYMBOLS ) ) { return symbol_names[ index ].symbol; } return NULL; } const x49gp_symbol_t* symbol_get_by_name( const char* name ) { gunichar glyph; if ( symbol_lookup_glyph_by_name( name, strlen( name ), &glyph ) ) { return symbol_get_by_glyph( glyph ); } return NULL; }