diff options
Diffstat (limited to 'src/3rdparty/freetype/src/type42/t42objs.c')
| -rw-r--r-- | src/3rdparty/freetype/src/type42/t42objs.c | 647 |
1 files changed, 0 insertions, 647 deletions
diff --git a/src/3rdparty/freetype/src/type42/t42objs.c b/src/3rdparty/freetype/src/type42/t42objs.c deleted file mode 100644 index db04fde36..000000000 --- a/src/3rdparty/freetype/src/type42/t42objs.c +++ /dev/null @@ -1,647 +0,0 @@ -/***************************************************************************/ -/* */ -/* t42objs.c */ -/* */ -/* Type 42 objects manager (body). */ -/* */ -/* Copyright 2002, 2003, 2004, 2005, 2006, 2007 by Roberto Alameda. */ -/* */ -/* This file is part of the FreeType project, and may only be used, */ -/* modified, and distributed under the terms of the FreeType project */ -/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ -/* this file you indicate that you have read the license and */ -/* understand and accept it fully. */ -/* */ -/***************************************************************************/ - - -#include "t42objs.h" -#include "t42parse.h" -#include "t42error.h" -#include FT_INTERNAL_DEBUG_H -#include FT_INTERNAL_STREAM_H -#include FT_LIST_H - - -#undef FT_COMPONENT -#define FT_COMPONENT trace_t42 - - - static FT_Error - T42_Open_Face( T42_Face face ) - { - T42_LoaderRec loader; - T42_Parser parser; - T1_Font type1 = &face->type1; - FT_Memory memory = face->root.memory; - FT_Error error; - - PSAux_Service psaux = (PSAux_Service)face->psaux; - - - t42_loader_init( &loader, face ); - - parser = &loader.parser; - - if ( FT_ALLOC( face->ttf_data, 12 ) ) - goto Exit; - - error = t42_parser_init( parser, - face->root.stream, - memory, - psaux); - if ( error ) - goto Exit; - - error = t42_parse_dict( face, &loader, - parser->base_dict, parser->base_len ); - if ( error ) - goto Exit; - - if ( type1->font_type != 42 ) - { - error = T42_Err_Unknown_File_Format; - goto Exit; - } - - /* now, propagate the charstrings and glyphnames tables */ - /* to the Type1 data */ - type1->num_glyphs = loader.num_glyphs; - - if ( !loader.charstrings.init ) - { - FT_ERROR(( "T42_Open_Face: no charstrings array in face!\n" )); - error = T42_Err_Invalid_File_Format; - } - - loader.charstrings.init = 0; - type1->charstrings_block = loader.charstrings.block; - type1->charstrings = loader.charstrings.elements; - type1->charstrings_len = loader.charstrings.lengths; - - /* we copy the glyph names `block' and `elements' fields; */ - /* the `lengths' field must be released later */ - type1->glyph_names_block = loader.glyph_names.block; - type1->glyph_names = (FT_String**)loader.glyph_names.elements; - loader.glyph_names.block = 0; - loader.glyph_names.elements = 0; - - /* we must now build type1.encoding when we have a custom array */ - if ( type1->encoding_type == T1_ENCODING_TYPE_ARRAY ) - { - FT_Int charcode, idx, min_char, max_char; - FT_Byte* char_name; - FT_Byte* glyph_name; - - - /* OK, we do the following: for each element in the encoding */ - /* table, look up the index of the glyph having the same name */ - /* as defined in the CharStrings array. */ - /* The index is then stored in type1.encoding.char_index, and */ - /* the name in type1.encoding.char_name */ - - min_char = +32000; - max_char = -32000; - - charcode = 0; - for ( ; charcode < loader.encoding_table.max_elems; charcode++ ) - { - type1->encoding.char_index[charcode] = 0; - type1->encoding.char_name [charcode] = (char *)".notdef"; - - char_name = loader.encoding_table.elements[charcode]; - if ( char_name ) - for ( idx = 0; idx < type1->num_glyphs; idx++ ) - { - glyph_name = (FT_Byte*)type1->glyph_names[idx]; - if ( ft_strcmp( (const char*)char_name, - (const char*)glyph_name ) == 0 ) - { - type1->encoding.char_index[charcode] = (FT_UShort)idx; - type1->encoding.char_name [charcode] = (char*)glyph_name; - - /* Change min/max encoded char only if glyph name is */ - /* not /.notdef */ - if ( ft_strcmp( (const char*)".notdef", - (const char*)glyph_name ) != 0 ) - { - if ( charcode < min_char ) - min_char = charcode; - if ( charcode > max_char ) - max_char = charcode; - } - break; - } - } - } - type1->encoding.code_first = min_char; - type1->encoding.code_last = max_char; - type1->encoding.num_chars = loader.num_chars; - } - - Exit: - t42_loader_done( &loader ); - return error; - } - - - /***************** Driver Functions *************/ - - - FT_LOCAL_DEF( FT_Error ) - T42_Face_Init( FT_Stream stream, - T42_Face face, - FT_Int face_index, - FT_Int num_params, - FT_Parameter* params ) - { - FT_Error error; - FT_Service_PsCMaps psnames; - PSAux_Service psaux; - FT_Face root = (FT_Face)&face->root; - T1_Font type1 = &face->type1; - PS_FontInfo info = &type1->font_info; - - FT_UNUSED( num_params ); - FT_UNUSED( params ); - FT_UNUSED( face_index ); - FT_UNUSED( stream ); - - - face->ttf_face = NULL; - face->root.num_faces = 1; - - FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_CMAPS ); - face->psnames = psnames; - - face->psaux = FT_Get_Module_Interface( FT_FACE_LIBRARY( face ), - "psaux" ); - psaux = (PSAux_Service)face->psaux; - - /* open the tokenizer, this will also check the font format */ - error = T42_Open_Face( face ); - if ( error ) - goto Exit; - - /* if we just wanted to check the format, leave successfully now */ - if ( face_index < 0 ) - goto Exit; - - /* check the face index */ - if ( face_index != 0 ) - { - FT_ERROR(( "T42_Face_Init: invalid face index\n" )); - error = T42_Err_Invalid_Argument; - goto Exit; - } - - /* Now load the font program into the face object */ - - /* Init the face object fields */ - /* Now set up root face fields */ - - root->num_glyphs = type1->num_glyphs; - root->num_charmaps = 0; - root->face_index = face_index; - - root->face_flags = FT_FACE_FLAG_SCALABLE | - FT_FACE_FLAG_HORIZONTAL | - FT_FACE_FLAG_GLYPH_NAMES; - - if ( info->is_fixed_pitch ) - root->face_flags |= FT_FACE_FLAG_FIXED_WIDTH; - - /* We only set this flag if we have the patented bytecode interpreter. */ - /* There are no known `tricky' Type42 fonts that could be loaded with */ - /* the unpatented interpreter. */ -#ifdef TT_CONFIG_OPTION_BYTECODE_INTERPRETER - root->face_flags |= FT_FACE_FLAG_HINTER; -#endif - - /* XXX: TODO -- add kerning with .afm support */ - - /* get style name -- be careful, some broken fonts only */ - /* have a `/FontName' dictionary entry! */ - root->family_name = info->family_name; - /* assume "Regular" style if we don't know better */ - root->style_name = (char *)"Regular"; - if ( root->family_name ) - { - char* full = info->full_name; - char* family = root->family_name; - - - if ( full ) - { - while ( *full ) - { - if ( *full == *family ) - { - family++; - full++; - } - else - { - if ( *full == ' ' || *full == '-' ) - full++; - else if ( *family == ' ' || *family == '-' ) - family++; - else - { - if ( !*family ) - root->style_name = full; - break; - } - } - } - } - } - else - { - /* do we have a `/FontName'? */ - if ( type1->font_name ) - root->family_name = type1->font_name; - } - - /* no embedded bitmap support */ - root->num_fixed_sizes = 0; - root->available_sizes = 0; - - /* Load the TTF font embedded in the T42 font */ - { - FT_Open_Args args; - - - args.flags = FT_OPEN_MEMORY; - args.memory_base = face->ttf_data; - args.memory_size = face->ttf_size; - - if ( num_params ) - { - args.flags |= FT_OPEN_PARAMS; - args.num_params = num_params; - args.params = params; - } - - error = FT_Open_Face( FT_FACE_LIBRARY( face ), - &args, 0, &face->ttf_face ); - } - - if ( error ) - goto Exit; - - FT_Done_Size( face->ttf_face->size ); - - /* Ignore info in FontInfo dictionary and use the info from the */ - /* loaded TTF font. The PostScript interpreter also ignores it. */ - root->bbox = face->ttf_face->bbox; - root->units_per_EM = face->ttf_face->units_per_EM; - - root->ascender = face->ttf_face->ascender; - root->descender = face->ttf_face->descender; - root->height = face->ttf_face->height; - - root->max_advance_width = face->ttf_face->max_advance_width; - root->max_advance_height = face->ttf_face->max_advance_height; - - root->underline_position = (FT_Short)info->underline_position; - root->underline_thickness = (FT_Short)info->underline_thickness; - - /* compute style flags */ - root->style_flags = 0; - if ( info->italic_angle ) - root->style_flags |= FT_STYLE_FLAG_ITALIC; - - if ( face->ttf_face->style_flags & FT_STYLE_FLAG_BOLD ) - root->style_flags |= FT_STYLE_FLAG_BOLD; - - if ( face->ttf_face->face_flags & FT_FACE_FLAG_VERTICAL ) - root->face_flags |= FT_FACE_FLAG_VERTICAL; - - { - if ( psnames && psaux ) - { - FT_CharMapRec charmap; - T1_CMap_Classes cmap_classes = psaux->t1_cmap_classes; - FT_CMap_Class clazz; - - - charmap.face = root; - - /* first of all, try to synthetize a Unicode charmap */ - charmap.platform_id = 3; - charmap.encoding_id = 1; - charmap.encoding = FT_ENCODING_UNICODE; - - FT_CMap_New( cmap_classes->unicode, NULL, &charmap, NULL ); - - /* now, generate an Adobe Standard encoding when appropriate */ - charmap.platform_id = 7; - clazz = NULL; - - switch ( type1->encoding_type ) - { - case T1_ENCODING_TYPE_STANDARD: - charmap.encoding = FT_ENCODING_ADOBE_STANDARD; - charmap.encoding_id = 0; - clazz = cmap_classes->standard; - break; - - case T1_ENCODING_TYPE_EXPERT: - charmap.encoding = FT_ENCODING_ADOBE_EXPERT; - charmap.encoding_id = 1; - clazz = cmap_classes->expert; - break; - - case T1_ENCODING_TYPE_ARRAY: - charmap.encoding = FT_ENCODING_ADOBE_CUSTOM; - charmap.encoding_id = 2; - clazz = cmap_classes->custom; - break; - - case T1_ENCODING_TYPE_ISOLATIN1: - charmap.encoding = FT_ENCODING_ADOBE_LATIN_1; - charmap.encoding_id = 3; - clazz = cmap_classes->unicode; - break; - - default: - ; - } - - if ( clazz ) - FT_CMap_New( clazz, NULL, &charmap, NULL ); - -#if 0 - /* Select default charmap */ - if ( root->num_charmaps ) - root->charmap = root->charmaps[0]; -#endif - } - } - Exit: - return error; - } - - - FT_LOCAL_DEF( void ) - T42_Face_Done( T42_Face face ) - { - T1_Font type1; - PS_FontInfo info; - FT_Memory memory; - - - if ( face ) - { - type1 = &face->type1; - info = &type1->font_info; - memory = face->root.memory; - - /* delete internal ttf face prior to freeing face->ttf_data */ - if ( face->ttf_face ) - FT_Done_Face( face->ttf_face ); - - /* release font info strings */ - FT_FREE( info->version ); - FT_FREE( info->notice ); - FT_FREE( info->full_name ); - FT_FREE( info->family_name ); - FT_FREE( info->weight ); - - /* release top dictionary */ - FT_FREE( type1->charstrings_len ); - FT_FREE( type1->charstrings ); - FT_FREE( type1->glyph_names ); - - FT_FREE( type1->charstrings_block ); - FT_FREE( type1->glyph_names_block ); - - FT_FREE( type1->encoding.char_index ); - FT_FREE( type1->encoding.char_name ); - FT_FREE( type1->font_name ); - - FT_FREE( face->ttf_data ); - -#if 0 - /* release afm data if present */ - if ( face->afm_data ) - T1_Done_AFM( memory, (T1_AFM*)face->afm_data ); -#endif - - /* release unicode map, if any */ - FT_FREE( face->unicode_map.maps ); - face->unicode_map.num_maps = 0; - - face->root.family_name = 0; - face->root.style_name = 0; - } - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* T42_Driver_Init */ - /* */ - /* <Description> */ - /* Initializes a given Type 42 driver object. */ - /* */ - /* <Input> */ - /* driver :: A handle to the target driver object. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - FT_LOCAL_DEF( FT_Error ) - T42_Driver_Init( T42_Driver driver ) - { - FT_Module ttmodule; - - - ttmodule = FT_Get_Module( FT_MODULE(driver)->library, "truetype" ); - driver->ttclazz = (FT_Driver_Class)ttmodule->clazz; - - return T42_Err_Ok; - } - - - FT_LOCAL_DEF( void ) - T42_Driver_Done( T42_Driver driver ) - { - FT_UNUSED( driver ); - } - - - FT_LOCAL_DEF( FT_Error ) - T42_Size_Init( T42_Size size ) - { - FT_Face face = size->root.face; - T42_Face t42face = (T42_Face)face; - FT_Size ttsize; - FT_Error error = T42_Err_Ok; - - - error = FT_New_Size( t42face->ttf_face, &ttsize ); - size->ttsize = ttsize; - - FT_Activate_Size( ttsize ); - - return error; - } - - - FT_LOCAL_DEF( FT_Error ) - T42_Size_Request( T42_Size size, - FT_Size_Request req ) - { - T42_Face face = (T42_Face)size->root.face; - FT_Error error; - - - FT_Activate_Size( size->ttsize ); - - error = FT_Request_Size( face->ttf_face, req ); - if ( !error ) - ( (FT_Size)size )->metrics = face->ttf_face->size->metrics; - - return error; - } - - - FT_LOCAL_DEF( FT_Error ) - T42_Size_Select( T42_Size size, - FT_ULong strike_index ) - { - T42_Face face = (T42_Face)size->root.face; - FT_Error error; - - - FT_Activate_Size( size->ttsize ); - - error = FT_Select_Size( face->ttf_face, strike_index ); - if ( !error ) - ( (FT_Size)size )->metrics = face->ttf_face->size->metrics; - - return error; - - } - - - FT_LOCAL_DEF( void ) - T42_Size_Done( T42_Size size ) - { - FT_Face face = size->root.face; - T42_Face t42face = (T42_Face)face; - FT_ListNode node; - - - node = FT_List_Find( &t42face->ttf_face->sizes_list, size->ttsize ); - if ( node ) - { - FT_Done_Size( size->ttsize ); - size->ttsize = NULL; - } - } - - - FT_LOCAL_DEF( FT_Error ) - T42_GlyphSlot_Init( T42_GlyphSlot slot ) - { - FT_Face face = slot->root.face; - T42_Face t42face = (T42_Face)face; - FT_GlyphSlot ttslot; - FT_Error error = T42_Err_Ok; - - - if ( face->glyph == NULL ) - { - /* First glyph slot for this face */ - slot->ttslot = t42face->ttf_face->glyph; - } - else - { - error = FT_New_GlyphSlot( t42face->ttf_face, &ttslot ); - slot->ttslot = ttslot; - } - - return error; - } - - - FT_LOCAL_DEF( void ) - T42_GlyphSlot_Done( T42_GlyphSlot slot ) - { - FT_Done_GlyphSlot( slot->ttslot ); - } - - - static void - t42_glyphslot_clear( FT_GlyphSlot slot ) - { - /* free bitmap if needed */ - ft_glyphslot_free_bitmap( slot ); - - /* clear all public fields in the glyph slot */ - FT_ZERO( &slot->metrics ); - FT_ZERO( &slot->outline ); - FT_ZERO( &slot->bitmap ); - - slot->bitmap_left = 0; - slot->bitmap_top = 0; - slot->num_subglyphs = 0; - slot->subglyphs = 0; - slot->control_data = 0; - slot->control_len = 0; - slot->other = 0; - slot->format = FT_GLYPH_FORMAT_NONE; - - slot->linearHoriAdvance = 0; - slot->linearVertAdvance = 0; - } - - - FT_LOCAL_DEF( FT_Error ) - T42_GlyphSlot_Load( FT_GlyphSlot glyph, - FT_Size size, - FT_UInt glyph_index, - FT_Int32 load_flags ) - { - FT_Error error; - T42_GlyphSlot t42slot = (T42_GlyphSlot)glyph; - T42_Size t42size = (T42_Size)size; - FT_Driver_Class ttclazz = ((T42_Driver)glyph->face->driver)->ttclazz; - - - t42_glyphslot_clear( t42slot->ttslot ); - error = ttclazz->load_glyph( t42slot->ttslot, - t42size->ttsize, - glyph_index, - load_flags | FT_LOAD_NO_BITMAP ); - - if ( !error ) - { - glyph->metrics = t42slot->ttslot->metrics; - - glyph->linearHoriAdvance = t42slot->ttslot->linearHoriAdvance; - glyph->linearVertAdvance = t42slot->ttslot->linearVertAdvance; - - glyph->format = t42slot->ttslot->format; - glyph->outline = t42slot->ttslot->outline; - - glyph->bitmap = t42slot->ttslot->bitmap; - glyph->bitmap_left = t42slot->ttslot->bitmap_left; - glyph->bitmap_top = t42slot->ttslot->bitmap_top; - - glyph->num_subglyphs = t42slot->ttslot->num_subglyphs; - glyph->subglyphs = t42slot->ttslot->subglyphs; - - glyph->control_data = t42slot->ttslot->control_data; - glyph->control_len = t42slot->ttslot->control_len; - } - - return error; - } - - -/* END */ |