| /* bdfdrivr.c |
| |
| FreeType font driver for bdf files |
| |
| Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 by |
| Francesco Zappa Nardelli |
| |
| Permission is hereby granted, free of charge, to any person obtaining a copy |
| of this software and associated documentation files (the "Software"), to deal |
| in the Software without restriction, including without limitation the rights |
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| copies of the Software, and to permit persons to whom the Software is |
| furnished to do so, subject to the following conditions: |
| |
| The above copyright notice and this permission notice shall be included in |
| all copies or substantial portions of the Software. |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| THE SOFTWARE. |
| */ |
| |
| #include <ft2build.h> |
| |
| #include FT_INTERNAL_DEBUG_H |
| #include FT_INTERNAL_STREAM_H |
| #include FT_INTERNAL_OBJECTS_H |
| #include FT_BDF_H |
| |
| #include FT_SERVICE_BDF_H |
| #include FT_SERVICE_XFREE86_NAME_H |
| |
| #include "bdf.h" |
| #include "bdfdrivr.h" |
| |
| #include "bdferror.h" |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ |
| /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ |
| /* messages during execution. */ |
| /* */ |
| #undef FT_COMPONENT |
| #define FT_COMPONENT trace_bdfdriver |
| |
| |
| typedef struct BDF_CMapRec_ |
| { |
| FT_CMapRec cmap; |
| FT_UInt num_encodings; |
| BDF_encoding_el* encodings; |
| |
| } BDF_CMapRec, *BDF_CMap; |
| |
| |
| FT_CALLBACK_DEF( FT_Error ) |
| bdf_cmap_init( FT_CMap bdfcmap, |
| FT_Pointer init_data ) |
| { |
| BDF_CMap cmap = (BDF_CMap)bdfcmap; |
| BDF_Face face = (BDF_Face)FT_CMAP_FACE( cmap ); |
| FT_UNUSED( init_data ); |
| |
| |
| cmap->num_encodings = face->bdffont->glyphs_used; |
| cmap->encodings = face->en_table; |
| |
| return BDF_Err_Ok; |
| } |
| |
| |
| FT_CALLBACK_DEF( void ) |
| bdf_cmap_done( FT_CMap bdfcmap ) |
| { |
| BDF_CMap cmap = (BDF_CMap)bdfcmap; |
| |
| |
| cmap->encodings = NULL; |
| cmap->num_encodings = 0; |
| } |
| |
| |
| FT_CALLBACK_DEF( FT_UInt ) |
| bdf_cmap_char_index( FT_CMap bdfcmap, |
| FT_UInt32 charcode ) |
| { |
| BDF_CMap cmap = (BDF_CMap)bdfcmap; |
| BDF_encoding_el* encodings = cmap->encodings; |
| FT_UInt min, max, mid; |
| FT_UInt result = 0; |
| |
| |
| min = 0; |
| max = cmap->num_encodings; |
| |
| while ( min < max ) |
| { |
| FT_UInt32 code; |
| |
| |
| mid = ( min + max ) >> 1; |
| code = encodings[mid].enc; |
| |
| if ( charcode == code ) |
| { |
| /* increase glyph index by 1 -- */ |
| /* we reserve slot 0 for the undefined glyph */ |
| result = encodings[mid].glyph + 1; |
| break; |
| } |
| |
| if ( charcode < code ) |
| max = mid; |
| else |
| min = mid + 1; |
| } |
| |
| return result; |
| } |
| |
| |
| FT_CALLBACK_DEF( FT_UInt ) |
| bdf_cmap_char_next( FT_CMap bdfcmap, |
| FT_UInt32 *acharcode ) |
| { |
| BDF_CMap cmap = (BDF_CMap)bdfcmap; |
| BDF_encoding_el* encodings = cmap->encodings; |
| FT_UInt min, max, mid; |
| FT_UInt32 charcode = *acharcode + 1; |
| FT_UInt result = 0; |
| |
| |
| min = 0; |
| max = cmap->num_encodings; |
| |
| while ( min < max ) |
| { |
| FT_UInt32 code; |
| |
| |
| mid = ( min + max ) >> 1; |
| code = encodings[mid].enc; |
| |
| if ( charcode == code ) |
| { |
| /* increase glyph index by 1 -- */ |
| /* we reserve slot 0 for the undefined glyph */ |
| result = encodings[mid].glyph + 1; |
| goto Exit; |
| } |
| |
| if ( charcode < code ) |
| max = mid; |
| else |
| min = mid + 1; |
| } |
| |
| charcode = 0; |
| if ( min < cmap->num_encodings ) |
| { |
| charcode = encodings[min].enc; |
| result = encodings[min].glyph + 1; |
| } |
| |
| Exit: |
| *acharcode = charcode; |
| return result; |
| } |
| |
| |
| FT_CALLBACK_TABLE_DEF |
| const FT_CMap_ClassRec bdf_cmap_class = |
| { |
| sizeof ( BDF_CMapRec ), |
| bdf_cmap_init, |
| bdf_cmap_done, |
| bdf_cmap_char_index, |
| bdf_cmap_char_next |
| }; |
| |
| |
| static FT_Error |
| bdf_interpret_style( BDF_Face bdf ) |
| { |
| FT_Error error = BDF_Err_Ok; |
| FT_Face face = FT_FACE( bdf ); |
| FT_Memory memory = face->memory; |
| bdf_font_t* font = bdf->bdffont; |
| bdf_property_t* prop; |
| |
| char *istr = NULL, *bstr = NULL; |
| char *sstr = NULL, *astr = NULL; |
| |
| int parts = 0, len = 0; |
| |
| |
| face->style_flags = 0; |
| |
| prop = bdf_get_font_property( font, (char *)"SLANT" ); |
| if ( prop && prop->format == BDF_ATOM && |
| prop->value.atom && |
| ( *(prop->value.atom) == 'O' || *(prop->value.atom) == 'o' || |
| *(prop->value.atom) == 'I' || *(prop->value.atom) == 'i' ) ) |
| { |
| face->style_flags |= FT_STYLE_FLAG_ITALIC; |
| istr = ( *(prop->value.atom) == 'O' || *(prop->value.atom) == 'o' ) |
| ? (char *)"Oblique" |
| : (char *)"Italic"; |
| len += ft_strlen( istr ); |
| parts++; |
| } |
| |
| prop = bdf_get_font_property( font, (char *)"WEIGHT_NAME" ); |
| if ( prop && prop->format == BDF_ATOM && |
| prop->value.atom && |
| ( *(prop->value.atom) == 'B' || *(prop->value.atom) == 'b' ) ) |
| { |
| face->style_flags |= FT_STYLE_FLAG_BOLD; |
| bstr = (char *)"Bold"; |
| len += ft_strlen( bstr ); |
| parts++; |
| } |
| |
| prop = bdf_get_font_property( font, (char *)"SETWIDTH_NAME" ); |
| if ( prop && prop->format == BDF_ATOM && |
| prop->value.atom && *(prop->value.atom) && |
| !( *(prop->value.atom) == 'N' || *(prop->value.atom) == 'n' ) ) |
| { |
| sstr = (char *)(prop->value.atom); |
| len += ft_strlen( sstr ); |
| parts++; |
| } |
| |
| prop = bdf_get_font_property( font, (char *)"ADD_STYLE_NAME" ); |
| if ( prop && prop->format == BDF_ATOM && |
| prop->value.atom && *(prop->value.atom) && |
| !( *(prop->value.atom) == 'N' || *(prop->value.atom) == 'n' ) ) |
| { |
| astr = (char *)(prop->value.atom); |
| len += ft_strlen( astr ); |
| parts++; |
| } |
| |
| if ( !parts || !len ) |
| { |
| FT_ALLOC( face->style_name, ft_strlen( "Regular" ) + 1 ); |
| ft_strcpy( face->style_name, "Regular" ); |
| } |
| else |
| { |
| char *style, *s; |
| unsigned int i; |
| |
| |
| if ( FT_ALLOC( style, len + parts ) ) |
| return error; |
| |
| s = style; |
| |
| if ( astr ) |
| { |
| ft_strcpy( s, astr ); |
| for ( i = 0; i < ft_strlen( astr ); i++, s++ ) |
| if ( *s == ' ' ) |
| *s = '-'; /* replace spaces with dashes */ |
| *(s++) = ' '; |
| } |
| if ( bstr ) |
| { |
| ft_strcpy( s, bstr ); |
| s += ft_strlen( bstr ); |
| *(s++) = ' '; |
| } |
| if ( istr ) |
| { |
| ft_strcpy( s, istr ); |
| s += ft_strlen( istr ); |
| *(s++) = ' '; |
| } |
| if ( sstr ) |
| { |
| ft_strcpy( s, sstr ); |
| for ( i = 0; i < ft_strlen( sstr ); i++, s++ ) |
| if ( *s == ' ' ) |
| *s = '-'; /* replace spaces with dashes */ |
| *(s++) = ' '; |
| } |
| *(--s) = '\0'; /* overwrite last ' ', terminate the string */ |
| |
| face->style_name = style; /* allocated string */ |
| } |
| |
| return error; |
| } |
| |
| |
| FT_CALLBACK_DEF( void ) |
| BDF_Face_Done( FT_Face bdfface ) /* BDF_Face */ |
| { |
| BDF_Face face = (BDF_Face)bdfface; |
| FT_Memory memory = FT_FACE_MEMORY( face ); |
| |
| |
| bdf_free_font( face->bdffont ); |
| |
| FT_FREE( face->en_table ); |
| |
| FT_FREE( face->charset_encoding ); |
| FT_FREE( face->charset_registry ); |
| FT_FREE( bdfface->family_name ); |
| FT_FREE( bdfface->style_name ); |
| |
| FT_FREE( bdfface->available_sizes ); |
| |
| FT_FREE( face->bdffont ); |
| |
| FT_TRACE4(( "BDF_Face_Done: done face\n" )); |
| } |
| |
| |
| FT_CALLBACK_DEF( FT_Error ) |
| BDF_Face_Init( FT_Stream stream, |
| FT_Face bdfface, /* BDF_Face */ |
| FT_Int face_index, |
| FT_Int num_params, |
| FT_Parameter* params ) |
| { |
| FT_Error error = BDF_Err_Ok; |
| BDF_Face face = (BDF_Face)bdfface; |
| FT_Memory memory = FT_FACE_MEMORY( face ); |
| |
| bdf_font_t* font; |
| bdf_options_t options; |
| |
| FT_UNUSED( num_params ); |
| FT_UNUSED( params ); |
| FT_UNUSED( face_index ); |
| |
| |
| if ( FT_STREAM_SEEK( 0 ) ) |
| goto Exit; |
| |
| options.correct_metrics = 1; /* FZ XXX: options semantics */ |
| options.keep_unencoded = 1; |
| options.keep_comments = 0; |
| options.font_spacing = BDF_PROPORTIONAL; |
| |
| error = bdf_load_font( stream, memory, &options, &font ); |
| if ( error == BDF_Err_Missing_Startfont_Field ) |
| { |
| FT_TRACE2(( "[not a valid BDF file]\n" )); |
| goto Fail; |
| } |
| else if ( error ) |
| goto Exit; |
| |
| /* we have a bdf font: let's construct the face object */ |
| face->bdffont = font; |
| { |
| bdf_property_t* prop = NULL; |
| |
| |
| FT_TRACE4(( "number of glyphs: %d (%d)\n", |
| font->glyphs_size, |
| font->glyphs_used )); |
| FT_TRACE4(( "number of unencoded glyphs: %d (%d)\n", |
| font->unencoded_size, |
| font->unencoded_used )); |
| |
| bdfface->num_faces = 1; |
| bdfface->face_index = 0; |
| bdfface->face_flags = FT_FACE_FLAG_FIXED_SIZES | |
| FT_FACE_FLAG_HORIZONTAL | |
| FT_FACE_FLAG_FAST_GLYPHS; |
| |
| prop = bdf_get_font_property( font, "SPACING" ); |
| if ( prop && prop->format == BDF_ATOM && |
| prop->value.atom && |
| ( *(prop->value.atom) == 'M' || *(prop->value.atom) == 'm' || |
| *(prop->value.atom) == 'C' || *(prop->value.atom) == 'c' ) ) |
| bdfface->face_flags |= FT_FACE_FLAG_FIXED_WIDTH; |
| |
| /* FZ XXX: TO DO: FT_FACE_FLAGS_VERTICAL */ |
| /* FZ XXX: I need a font to implement this */ |
| |
| prop = bdf_get_font_property( font, "FAMILY_NAME" ); |
| if ( prop && prop->value.atom ) |
| { |
| int l = ft_strlen( prop->value.atom ) + 1; |
| |
| |
| if ( FT_NEW_ARRAY( bdfface->family_name, l ) ) |
| goto Exit; |
| ft_strcpy( bdfface->family_name, prop->value.atom ); |
| } |
| else |
| bdfface->family_name = 0; |
| |
| if ( ( error = bdf_interpret_style( face ) ) != 0 ) |
| goto Exit; |
| |
| /* the number of glyphs (with one slot for the undefined glyph */ |
| /* at position 0 and all unencoded glyphs) */ |
| bdfface->num_glyphs = font->glyphs_size + 1; |
| |
| bdfface->num_fixed_sizes = 1; |
| if ( FT_NEW_ARRAY( bdfface->available_sizes, 1 ) ) |
| goto Exit; |
| |
| { |
| FT_Bitmap_Size* bsize = bdfface->available_sizes; |
| FT_Short resolution_x = 0, resolution_y = 0; |
| |
| |
| FT_MEM_ZERO( bsize, sizeof ( FT_Bitmap_Size ) ); |
| |
| bsize->height = (FT_Short)( font->font_ascent + font->font_descent ); |
| |
| prop = bdf_get_font_property( font, "AVERAGE_WIDTH" ); |
| if ( prop ) |
| bsize->width = (FT_Short)( ( prop->value.int32 + 5 ) / 10 ); |
| else |
| bsize->width = (FT_Short)( bsize->height * 2/3 ); |
| |
| prop = bdf_get_font_property( font, "POINT_SIZE" ); |
| if ( prop ) |
| /* convert from 722.7 decipoints to 72 points per inch */ |
| bsize->size = |
| (FT_Pos)( ( prop->value.int32 * 64 * 7200 + 36135L ) / 72270L ); |
| |
| prop = bdf_get_font_property( font, "PIXEL_SIZE" ); |
| if ( prop ) |
| bsize->y_ppem = (FT_Short)prop->value.int32 << 6; |
| |
| prop = bdf_get_font_property( font, "RESOLUTION_X" ); |
| if ( prop ) |
| resolution_x = (FT_Short)prop->value.int32; |
| |
| prop = bdf_get_font_property( font, "RESOLUTION_Y" ); |
| if ( prop ) |
| resolution_y = (FT_Short)prop->value.int32; |
| |
| if ( bsize->y_ppem == 0 ) |
| { |
| bsize->y_ppem = bsize->size; |
| if ( resolution_y ) |
| bsize->y_ppem = bsize->y_ppem * resolution_y / 72; |
| } |
| if ( resolution_x && resolution_y ) |
| bsize->x_ppem = bsize->y_ppem * resolution_x / resolution_y; |
| else |
| bsize->x_ppem = bsize->y_ppem; |
| } |
| |
| /* encoding table */ |
| { |
| bdf_glyph_t* cur = font->glyphs; |
| unsigned long n; |
| |
| |
| if ( FT_NEW_ARRAY( face->en_table, font->glyphs_size ) ) |
| goto Exit; |
| |
| face->default_glyph = 0; |
| for ( n = 0; n < font->glyphs_size; n++ ) |
| { |
| (face->en_table[n]).enc = cur[n].encoding; |
| FT_TRACE4(( "idx %d, val 0x%lX\n", n, cur[n].encoding )); |
| (face->en_table[n]).glyph = (FT_Short)n; |
| |
| if ( cur[n].encoding == font->default_char ) |
| face->default_glyph = n; |
| } |
| } |
| |
| /* charmaps */ |
| { |
| bdf_property_t *charset_registry = 0, *charset_encoding = 0; |
| FT_Bool unicode_charmap = 0; |
| |
| |
| charset_registry = |
| bdf_get_font_property( font, "CHARSET_REGISTRY" ); |
| charset_encoding = |
| bdf_get_font_property( font, "CHARSET_ENCODING" ); |
| if ( charset_registry && charset_encoding ) |
| { |
| if ( charset_registry->format == BDF_ATOM && |
| charset_encoding->format == BDF_ATOM && |
| charset_registry->value.atom && |
| charset_encoding->value.atom ) |
| { |
| const char* s; |
| |
| |
| if ( FT_NEW_ARRAY( face->charset_encoding, |
| ft_strlen( charset_encoding->value.atom ) + 1 ) ) |
| goto Exit; |
| if ( FT_NEW_ARRAY( face->charset_registry, |
| ft_strlen( charset_registry->value.atom ) + 1 ) ) |
| goto Exit; |
| |
| ft_strcpy( face->charset_registry, charset_registry->value.atom ); |
| ft_strcpy( face->charset_encoding, charset_encoding->value.atom ); |
| |
| /* Uh, oh, compare first letters manually to avoid dependency |
| on locales. */ |
| s = face->charset_registry; |
| if ( ( s[0] == 'i' || s[0] == 'I' ) && |
| ( s[1] == 's' || s[1] == 'S' ) && |
| ( s[2] == 'o' || s[2] == 'O' ) ) |
| { |
| s += 3; |
| if ( !ft_strcmp( s, "10646" ) || |
| ( !ft_strcmp( s, "8859" ) && |
| !ft_strcmp( face->charset_encoding, "1" ) ) ) |
| unicode_charmap = 1; |
| } |
| |
| { |
| FT_CharMapRec charmap; |
| |
| |
| charmap.face = FT_FACE( face ); |
| charmap.encoding = FT_ENCODING_NONE; |
| charmap.platform_id = 0; |
| charmap.encoding_id = 0; |
| |
| if ( unicode_charmap ) |
| { |
| charmap.encoding = FT_ENCODING_UNICODE; |
| charmap.platform_id = 3; |
| charmap.encoding_id = 1; |
| } |
| |
| error = FT_CMap_New( &bdf_cmap_class, NULL, &charmap, NULL ); |
| |
| #if 0 |
| /* Select default charmap */ |
| if ( bdfface->num_charmaps ) |
| bdfface->charmap = bdfface->charmaps[0]; |
| #endif |
| } |
| |
| goto Exit; |
| } |
| } |
| |
| /* otherwise assume Adobe standard encoding */ |
| |
| { |
| FT_CharMapRec charmap; |
| |
| |
| charmap.face = FT_FACE( face ); |
| charmap.encoding = FT_ENCODING_ADOBE_STANDARD; |
| charmap.platform_id = 7; |
| charmap.encoding_id = 0; |
| |
| error = FT_CMap_New( &bdf_cmap_class, NULL, &charmap, NULL ); |
| |
| /* Select default charmap */ |
| if ( bdfface->num_charmaps ) |
| bdfface->charmap = bdfface->charmaps[0]; |
| } |
| } |
| } |
| |
| Exit: |
| return error; |
| |
| Fail: |
| BDF_Face_Done( bdfface ); |
| return BDF_Err_Unknown_File_Format; |
| } |
| |
| |
| FT_CALLBACK_DEF( FT_Error ) |
| BDF_Size_Select( FT_Size size, |
| FT_ULong index ) |
| { |
| bdf_font_t* bdffont = ( (BDF_Face)size->face )->bdffont; |
| |
| FT_UNUSED( index ); |
| |
| |
| size->metrics.ascender = bdffont->font_ascent << 6; |
| size->metrics.descender = -bdffont->font_descent << 6; |
| size->metrics.height = ( bdffont->font_ascent + |
| bdffont->font_descent ) << 6; |
| size->metrics.max_advance = bdffont->bbx.width << 6; |
| |
| return BDF_Err_Ok; |
| } |
| |
| |
| FT_CALLBACK_DEF( FT_Error ) |
| BDF_Size_Request( FT_Size size, |
| FT_Size_Request req ) |
| { |
| FT_Face face = size->face; |
| FT_Bitmap_Size* bsize = face->available_sizes; |
| bdf_font_t* bdffont = ( (BDF_Face)face )->bdffont; |
| FT_Error error = BDF_Err_Invalid_Pixel_Size; |
| FT_Long height; |
| |
| |
| if ( req->vertResolution ) |
| height = ( req->height * req->vertResolution + 36 ) / 72; |
| else |
| height = req->height; |
| |
| height = ( height + 32 ) >> 6; |
| |
| switch ( req->type ) |
| { |
| case FT_SIZE_REQUEST_TYPE_NOMINAL: |
| if ( height == ( bsize->y_ppem + 32 ) >> 6 ) |
| error = BDF_Err_Ok; |
| break; |
| |
| case FT_SIZE_REQUEST_TYPE_REAL_DIM: |
| if ( height == ( bdffont->font_ascent + |
| bdffont->font_descent ) ) |
| error = BDF_Err_Ok; |
| break; |
| |
| default: |
| error = BDF_Err_Unimplemented_Feature; |
| break; |
| } |
| |
| if ( error ) |
| return error; |
| else |
| return BDF_Size_Select( size, 0 ); |
| } |
| |
| |
| FT_CALLBACK_DEF( FT_Error ) |
| BDF_Glyph_Load( FT_GlyphSlot slot, |
| FT_Size size, |
| FT_UInt glyph_index, |
| FT_Int32 load_flags ) |
| { |
| BDF_Face face = (BDF_Face)FT_SIZE_FACE( size ); |
| FT_Error error = BDF_Err_Ok; |
| FT_Bitmap* bitmap = &slot->bitmap; |
| bdf_glyph_t glyph; |
| int bpp = face->bdffont->bpp; |
| |
| FT_UNUSED( load_flags ); |
| |
| |
| if ( !face ) |
| { |
| error = BDF_Err_Invalid_Argument; |
| goto Exit; |
| } |
| |
| /* index 0 is the undefined glyph */ |
| if ( glyph_index == 0 ) |
| glyph_index = face->default_glyph; |
| else |
| glyph_index--; |
| |
| /* slot, bitmap => freetype, glyph => bdflib */ |
| glyph = face->bdffont->glyphs[glyph_index]; |
| |
| bitmap->rows = glyph.bbx.height; |
| bitmap->width = glyph.bbx.width; |
| bitmap->pitch = glyph.bpr; |
| |
| /* note: we don't allocate a new array to hold the bitmap; */ |
| /* we can simply point to it */ |
| ft_glyphslot_set_bitmap( slot, glyph.bitmap ); |
| |
| switch ( bpp ) |
| { |
| case 1: |
| bitmap->pixel_mode = FT_PIXEL_MODE_MONO; |
| break; |
| case 2: |
| bitmap->pixel_mode = FT_PIXEL_MODE_GRAY2; |
| break; |
| case 4: |
| bitmap->pixel_mode = FT_PIXEL_MODE_GRAY4; |
| break; |
| case 8: |
| bitmap->pixel_mode = FT_PIXEL_MODE_GRAY; |
| bitmap->num_grays = 256; |
| break; |
| } |
| |
| slot->format = FT_GLYPH_FORMAT_BITMAP; |
| slot->bitmap_left = glyph.bbx.x_offset; |
| slot->bitmap_top = glyph.bbx.ascent; |
| |
| slot->metrics.horiAdvance = glyph.dwidth << 6; |
| slot->metrics.horiBearingX = glyph.bbx.x_offset << 6; |
| slot->metrics.horiBearingY = glyph.bbx.ascent << 6; |
| slot->metrics.width = bitmap->width << 6; |
| slot->metrics.height = bitmap->rows << 6; |
| |
| /* |
| * XXX DWIDTH1 and VVECTOR should be parsed and |
| * used here, provided such fonts do exist. |
| */ |
| ft_fake_vertical_metrics( &slot->metrics, |
| face->bdffont->bbx.height << 6 ); |
| |
| Exit: |
| return error; |
| } |
| |
| |
| /* |
| * |
| * BDF SERVICE |
| * |
| */ |
| |
| static FT_Error |
| bdf_get_bdf_property( BDF_Face face, |
| const char* prop_name, |
| BDF_PropertyRec *aproperty ) |
| { |
| bdf_property_t* prop; |
| |
| |
| FT_ASSERT( face && face->bdffont ); |
| |
| prop = bdf_get_font_property( face->bdffont, prop_name ); |
| if ( prop ) |
| { |
| switch ( prop->format ) |
| { |
| case BDF_ATOM: |
| aproperty->type = BDF_PROPERTY_TYPE_ATOM; |
| aproperty->u.atom = prop->value.atom; |
| break; |
| |
| case BDF_INTEGER: |
| aproperty->type = BDF_PROPERTY_TYPE_INTEGER; |
| aproperty->u.integer = prop->value.int32; |
| break; |
| |
| case BDF_CARDINAL: |
| aproperty->type = BDF_PROPERTY_TYPE_CARDINAL; |
| aproperty->u.cardinal = prop->value.card32; |
| break; |
| |
| default: |
| goto Fail; |
| } |
| return 0; |
| } |
| |
| Fail: |
| return BDF_Err_Invalid_Argument; |
| } |
| |
| |
| static FT_Error |
| bdf_get_charset_id( BDF_Face face, |
| const char* *acharset_encoding, |
| const char* *acharset_registry ) |
| { |
| *acharset_encoding = face->charset_encoding; |
| *acharset_registry = face->charset_registry; |
| |
| return 0; |
| } |
| |
| |
| static const FT_Service_BDFRec bdf_service_bdf = |
| { |
| (FT_BDF_GetCharsetIdFunc)bdf_get_charset_id, |
| (FT_BDF_GetPropertyFunc) bdf_get_bdf_property |
| }; |
| |
| |
| /* |
| * |
| * SERVICES LIST |
| * |
| */ |
| |
| static const FT_ServiceDescRec bdf_services[] = |
| { |
| { FT_SERVICE_ID_BDF, &bdf_service_bdf }, |
| { FT_SERVICE_ID_XF86_NAME, FT_XF86_FORMAT_BDF }, |
| { NULL, NULL } |
| }; |
| |
| |
| FT_CALLBACK_DEF( FT_Module_Interface ) |
| bdf_driver_requester( FT_Module module, |
| const char* name ) |
| { |
| FT_UNUSED( module ); |
| |
| return ft_service_list_lookup( bdf_services, name ); |
| } |
| |
| |
| |
| FT_CALLBACK_TABLE_DEF |
| const FT_Driver_ClassRec bdf_driver_class = |
| { |
| { |
| FT_MODULE_FONT_DRIVER | |
| FT_MODULE_DRIVER_NO_OUTLINES, |
| sizeof ( FT_DriverRec ), |
| |
| "bdf", |
| 0x10000L, |
| 0x20000L, |
| |
| 0, |
| |
| (FT_Module_Constructor)0, |
| (FT_Module_Destructor) 0, |
| (FT_Module_Requester) bdf_driver_requester |
| }, |
| |
| sizeof ( BDF_FaceRec ), |
| sizeof ( FT_SizeRec ), |
| sizeof ( FT_GlyphSlotRec ), |
| |
| BDF_Face_Init, |
| BDF_Face_Done, |
| 0, /* FT_Size_InitFunc */ |
| 0, /* FT_Size_DoneFunc */ |
| 0, /* FT_Slot_InitFunc */ |
| 0, /* FT_Slot_DoneFunc */ |
| |
| BDF_Size_Request, |
| BDF_Size_Select, |
| |
| BDF_Glyph_Load, |
| |
| 0, /* FT_Face_GetKerningFunc */ |
| 0, /* FT_Face_AttachFunc */ |
| 0, /* FT_Face_GetAdvancesFunc */ |
| }; |
| |
| |
| /* END */ |