| 1 | /* Interface definition for Mac OSX Core text font backend. |
| 2 | Copyright (C) 2009-2014 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GNU Emacs. |
| 5 | |
| 6 | GNU Emacs is free software: you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation, either version 3 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | GNU Emacs is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
| 18 | |
| 19 | Original author: YAMAMOTO Mitsuharu |
| 20 | */ |
| 21 | |
| 22 | /* Structure used by Mac `shape' functions for storing layout |
| 23 | information for each glyph. */ |
| 24 | struct mac_glyph_layout |
| 25 | { |
| 26 | /* Range of indices of the characters composed into the group of |
| 27 | glyphs that share the cursor position with this glyph. The |
| 28 | members `location' and `length' are in UTF-16 indices. */ |
| 29 | CFRange comp_range; |
| 30 | |
| 31 | /* UTF-16 index in the source string for the first character |
| 32 | associated with this glyph. */ |
| 33 | CFIndex string_index; |
| 34 | |
| 35 | /* Horizontal and vertical adjustments of glyph position. The |
| 36 | coordinate space is that of Core Text. So, the `baseline_delta' |
| 37 | value is negative if the glyph should be placed below the |
| 38 | baseline. */ |
| 39 | CGFloat advance_delta, baseline_delta; |
| 40 | |
| 41 | /* Typographical width of the glyph. */ |
| 42 | CGFloat advance; |
| 43 | |
| 44 | /* Glyph ID of the glyph. */ |
| 45 | CGGlyph glyph_id; |
| 46 | }; |
| 47 | |
| 48 | typedef CTFontDescriptorRef FontDescriptorRef; |
| 49 | typedef CTFontRef FontRef; |
| 50 | typedef CTFontSymbolicTraits FontSymbolicTraits; |
| 51 | typedef CTCharacterCollection CharacterCollection; |
| 52 | |
| 53 | #define MAC_FONT_NAME_ATTRIBUTE kCTFontNameAttribute |
| 54 | #define MAC_FONT_FAMILY_NAME_ATTRIBUTE kCTFontFamilyNameAttribute |
| 55 | #define MAC_FONT_TRAITS_ATTRIBUTE kCTFontTraitsAttribute |
| 56 | #define MAC_FONT_SIZE_ATTRIBUTE kCTFontSizeAttribute |
| 57 | #define MAC_FONT_CASCADE_LIST_ATTRIBUTE kCTFontCascadeListAttribute |
| 58 | #define MAC_FONT_CHARACTER_SET_ATTRIBUTE kCTFontCharacterSetAttribute |
| 59 | #define MAC_FONT_LANGUAGES_ATTRIBUTE kCTFontLanguagesAttribute |
| 60 | #if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060 |
| 61 | #define MAC_FONT_FORMAT_ATTRIBUTE kCTFontFormatAttribute |
| 62 | #else |
| 63 | #define MAC_FONT_FORMAT_ATTRIBUTE (CFSTR ("NSCTFontFormatAttribute")) |
| 64 | #endif |
| 65 | #define MAC_FONT_SYMBOLIC_TRAIT kCTFontSymbolicTrait |
| 66 | #define MAC_FONT_WEIGHT_TRAIT kCTFontWeightTrait |
| 67 | #define MAC_FONT_WIDTH_TRAIT kCTFontWidthTrait |
| 68 | #define MAC_FONT_SLANT_TRAIT kCTFontSlantTrait |
| 69 | |
| 70 | enum { |
| 71 | MAC_FONT_TRAIT_ITALIC = kCTFontItalicTrait, |
| 72 | MAC_FONT_TRAIT_BOLD = kCTFontBoldTrait, |
| 73 | MAC_FONT_TRAIT_MONO_SPACE = kCTFontMonoSpaceTrait, |
| 74 | #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070 |
| 75 | MAC_FONT_TRAIT_COLOR_GLYPHS = kCTFontColorGlyphsTrait |
| 76 | #else |
| 77 | MAC_FONT_TRAIT_COLOR_GLYPHS = (1 << 13) |
| 78 | #endif |
| 79 | }; |
| 80 | |
| 81 | enum { |
| 82 | #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060 |
| 83 | MAC_FONT_FORMAT_BITMAP = kCTFontFormatBitmap |
| 84 | #else |
| 85 | MAC_FONT_FORMAT_BITMAP = 5 |
| 86 | #endif |
| 87 | }; |
| 88 | |
| 89 | enum { |
| 90 | MAC_CHARACTER_COLLECTION_IDENTITY_MAPPING = kCTIdentityMappingCharacterCollection, |
| 91 | MAC_CHARACTER_COLLECTION_ADOBE_JAPAN1 = kCTAdobeJapan1CharacterCollection |
| 92 | }; |
| 93 | |
| 94 | #define mac_font_descriptor_create_with_attributes \ |
| 95 | CTFontDescriptorCreateWithAttributes |
| 96 | #define mac_font_descriptor_create_matching_font_descriptors \ |
| 97 | CTFontDescriptorCreateMatchingFontDescriptors |
| 98 | #define mac_font_descriptor_create_matching_font_descriptor \ |
| 99 | CTFontDescriptorCreateMatchingFontDescriptor |
| 100 | #define mac_font_descriptor_copy_attribute CTFontDescriptorCopyAttribute |
| 101 | #define mac_font_descriptor_supports_languages \ |
| 102 | mac_ctfont_descriptor_supports_languages |
| 103 | #define mac_font_create_with_name(name, size) \ |
| 104 | CTFontCreateWithName (name, size, NULL) |
| 105 | #define mac_font_get_size CTFontGetSize |
| 106 | #define mac_font_copy_family_name CTFontCopyFamilyName |
| 107 | #define mac_font_copy_character_set CTFontCopyCharacterSet |
| 108 | #define mac_font_get_glyphs_for_characters CTFontGetGlyphsForCharacters |
| 109 | #define mac_font_get_ascent CTFontGetAscent |
| 110 | #define mac_font_get_descent CTFontGetDescent |
| 111 | #define mac_font_get_leading CTFontGetLeading |
| 112 | #define mac_font_get_underline_position CTFontGetUnderlinePosition |
| 113 | #define mac_font_get_underline_thickness CTFontGetUnderlineThickness |
| 114 | #define mac_font_copy_graphics_font(font) CTFontCopyGraphicsFont (font, NULL) |
| 115 | #if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060 |
| 116 | #define mac_font_copy_non_synthetic_table(font, table) \ |
| 117 | CTFontCopyTable (font, table, kCTFontTableOptionNoOptions) |
| 118 | #else |
| 119 | #define mac_font_copy_non_synthetic_table(font, table) \ |
| 120 | CTFontCopyTable (font, table, kCTFontTableOptionExcludeSynthetic) |
| 121 | #endif |
| 122 | |
| 123 | #define mac_font_create_preferred_family_for_attributes \ |
| 124 | mac_ctfont_create_preferred_family_for_attributes |
| 125 | #define mac_font_get_advance_width_for_glyph \ |
| 126 | mac_ctfont_get_advance_width_for_glyph |
| 127 | #define mac_font_get_bounding_rect_for_glyph \ |
| 128 | mac_ctfont_get_bounding_rect_for_glyph |
| 129 | #define mac_font_create_available_families mac_ctfont_create_available_families |
| 130 | #define mac_font_shape mac_ctfont_shape |
| 131 | #if USE_CT_GLYPH_INFO |
| 132 | #define mac_font_get_glyph_for_cid mac_ctfont_get_glyph_for_cid |
| 133 | #endif |
| 134 | |
| 135 | #define mac_nsctfont_copy_font_descriptor CTFontCopyFontDescriptor |
| 136 | |
| 137 | #ifndef kCTVersionNumber10_9 |
| 138 | #define kCTVersionNumber10_9 0x00060000 |
| 139 | #endif |
| 140 | #define MAC_FONT_CHARACTER_SET_STRING_ATTRIBUTE \ |
| 141 | (CFSTR ("MAC_FONT_CHARACTER_SET_STRING_ATTRIBUTE")) |
| 142 | |
| 143 | typedef const struct _EmacsScreenFont *ScreenFontRef; /* opaque */ |
| 144 | |
| 145 | extern void mac_register_font_driver (struct frame *f); |
| 146 | extern void *macfont_get_nsctfont (struct font *font); |
| 147 | |