?? t1objs.c
字號:
goto Exit; /* check the face index */ if ( face_index != 0 ) { FT_ERROR(( "T1_Face_Init: invalid face index\n" )); error = T1_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 */ { FT_Face root = (FT_Face)&face->root; root->num_glyphs = face->type1.num_glyphs; root->face_index = face_index; root->face_flags = FT_FACE_FLAG_SCALABLE; root->face_flags |= FT_FACE_FLAG_HORIZONTAL; root->face_flags |= FT_FACE_FLAG_GLYPH_NAMES; if ( face->type1.font_info.is_fixed_pitch ) root->face_flags |= FT_FACE_FLAG_FIXED_WIDTH; if ( face->blend ) root->face_flags |= FT_FACE_FLAG_MULTIPLE_MASTERS; /* XXX: TODO -- add kerning with .afm support */ /* get style name -- be careful, some broken fonts only */ /* have a `/FontName' dictionary entry! */ root->family_name = face->type1.font_info.family_name; if ( root->family_name ) { char* full = face->type1.font_info.full_name; char* family = root->family_name; if ( full ) { while ( *family && *full == *family ) { family++; full++; } root->style_name = ( *full == ' ' ? full + 1 : (char *)"Regular" ); } else root->style_name = (char *)"Regular"; } else { /* do we have a `/FontName'? */ if ( face->type1.font_name ) { root->family_name = face->type1.font_name; root->style_name = (char *)"Regular"; } } /* compute style flags */ root->style_flags = 0; if ( face->type1.font_info.italic_angle ) root->style_flags |= FT_STYLE_FLAG_ITALIC; if ( face->type1.font_info.weight ) { if ( !ft_strcmp( face->type1.font_info.weight, "Bold" ) || !ft_strcmp( face->type1.font_info.weight, "Black" ) ) root->style_flags |= FT_STYLE_FLAG_BOLD; } /* no embedded bitmap support */ root->num_fixed_sizes = 0; root->available_sizes = 0; root->bbox.xMin = face->type1.font_bbox.xMin >> 16; root->bbox.yMin = face->type1.font_bbox.yMin >> 16; root->bbox.xMax = ( face->type1.font_bbox.xMax + 0xFFFFU ) >> 16; root->bbox.yMax = ( face->type1.font_bbox.yMax + 0xFFFFU ) >> 16; /* Set units_per_EM if we didn't set it in parse_font_matrix. */ if ( !root->units_per_EM ) root->units_per_EM = 1000; root->ascender = (FT_Short)( root->bbox.yMax ); root->descender = (FT_Short)( root->bbox.yMin ); root->height = (FT_Short)( ( ( root->ascender - root->descender ) * 12 ) / 10 ); /* now compute the maximum advance width */ root->max_advance_width = (FT_Short)( root->bbox.xMax ); { FT_Int max_advance; error = T1_Compute_Max_Advance( face, &max_advance ); /* in case of error, keep the standard width */ if ( !error ) root->max_advance_width = (FT_Short)max_advance; else error = 0; /* clear error */ } root->max_advance_height = root->height; root->underline_position = face->type1.font_info.underline_position; root->underline_thickness = face->type1.font_info.underline_thickness; root->internal->max_points = 0; root->internal->max_contours = 0; }#ifdef FT_CONFIG_OPTION_USE_CMAPS { FT_Face root = &face->root; 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 ( face->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_latin_1; charmap.encoding_id = 3; clazz = cmap_classes->unicode; break; default: ; } if ( clazz ) FT_CMap_New( clazz, NULL, &charmap, NULL ); /* Select default charmap */ if (root->num_charmaps) root->charmap = root->charmaps[0]; } }#else /* !FT_CONFIG_OPTION_USE_CMAPS */ /* charmap support -- synthetize unicode charmap if possible */ { FT_Face root = &face->root; FT_CharMap charmap = face->charmaprecs; /* synthesize a Unicode charmap if there is support in the `PSNames' */ /* module */ if ( psnames ) { if ( psnames->unicode_value ) { error = psnames->build_unicodes( root->memory, face->type1.num_glyphs, (const char**)face->type1.glyph_names, &face->unicode_map ); if ( !error ) { root->charmap = charmap; charmap->face = (FT_Face)face; charmap->encoding = ft_encoding_unicode; charmap->platform_id = 3; charmap->encoding_id = 1; charmap++; } /* simply clear the error in case of failure (which really) */ /* means that out of memory or no unicode glyph names */ error = T1_Err_Ok; } } /* now, support either the standard, expert, or custom encoding */ charmap->face = (FT_Face)face; charmap->platform_id = 7; /* a new platform id for Adobe fonts? */ switch ( face->type1.encoding_type ) { case T1_ENCODING_TYPE_STANDARD: charmap->encoding = ft_encoding_adobe_standard; charmap->encoding_id = 0; break; case T1_ENCODING_TYPE_EXPERT: charmap->encoding = ft_encoding_adobe_expert; charmap->encoding_id = 1; break; case T1_ENCODING_TYPE_ARRAY: charmap->encoding = ft_encoding_adobe_custom; charmap->encoding_id = 2; break; case T1_ENCODING_TYPE_ISOLATIN1: charmap->encoding = ft_encoding_latin_1; charmap->encoding_id = 3; break; default: FT_ERROR(( "T1_Face_Init: invalid encoding\n" )); error = T1_Err_Invalid_File_Format; goto Exit; } root->charmaps = face->charmaps; root->num_charmaps = charmap - face->charmaprecs + 1; face->charmaps[0] = &face->charmaprecs[0]; face->charmaps[1] = &face->charmaprecs[1]; }#endif /* !FT_CONFIG_OPTION_USE_CMAPS */ Exit: return error; } /*************************************************************************/ /* */ /* <Function> */ /* T1_Driver_Init */ /* */ /* <Description> */ /* Initializes a given Type 1 driver object. */ /* */ /* <Input> */ /* driver :: A handle to the target driver object. */ /* */ /* <Return> */ /* FreeType error code. 0 means success. */ /* */ FT_LOCAL_DEF( FT_Error ) T1_Driver_Init( T1_Driver driver ) { FT_UNUSED( driver ); return T1_Err_Ok; } /*************************************************************************/ /* */ /* <Function> */ /* T1_Driver_Done */ /* */ /* <Description> */ /* Finalizes a given Type 1 driver. */ /* */ /* <Input> */ /* driver :: A handle to the target Type 1 driver. */ /* */ FT_LOCAL_DEF( void ) T1_Driver_Done( T1_Driver driver ) { FT_UNUSED( driver ); }/* END */
?? 快捷鍵說明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -