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+/* Interface definition for Mac OSX Core text font backend.
+   Copyright (C) 2009-2013 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+GNU Emacs is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
+
+Original author: YAMAMOTO Mitsuharu
+*/
+
+/* Structure used by Mac `shape' functions for storing layout
+   information for each glyph.  */
+struct mac_glyph_layout
+{
+  /* Range of indices of the characters composed into the group of
+     glyphs that share the cursor position with this glyph.  The
+     members `location' and `length' are in UTF-16 indices.  */
+  CFRange comp_range;
+
+  /* UTF-16 index in the source string for the first character
+     associated with this glyph.  */
+  CFIndex string_index;
+
+  /* Horizontal and vertical adjustments of glyph position.  The
+     coordinate space is that of Core Text.  So, the `baseline_delta'
+     value is negative if the glyph should be placed below the
+     baseline.  */
+  CGFloat advance_delta, baseline_delta;
+
+  /* Typographical width of the glyph.  */
+  CGFloat advance;
+
+  /* Glyph ID of the glyph.  */
+  CGGlyph glyph_id;
+};
+
+typedef CTFontDescriptorRef FontDescriptorRef;
+typedef CTFontRef FontRef;
+typedef CTFontSymbolicTraits FontSymbolicTraits;
+typedef CTCharacterCollection CharacterCollection;
+
+#define MAC_FONT_NAME_ATTRIBUTE kCTFontNameAttribute
+#define MAC_FONT_FAMILY_NAME_ATTRIBUTE kCTFontFamilyNameAttribute
+#define MAC_FONT_TRAITS_ATTRIBUTE kCTFontTraitsAttribute
+#define MAC_FONT_SIZE_ATTRIBUTE kCTFontSizeAttribute
+#define MAC_FONT_CASCADE_LIST_ATTRIBUTE kCTFontCascadeListAttribute
+#define MAC_FONT_CHARACTER_SET_ATTRIBUTE kCTFontCharacterSetAttribute
+#define MAC_FONT_LANGUAGES_ATTRIBUTE kCTFontLanguagesAttribute
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
+#define MAC_FONT_FORMAT_ATTRIBUTE kCTFontFormatAttribute
+#else
+#define MAC_FONT_FORMAT_ATTRIBUTE (CFSTR ("NSCTFontFormatAttribute"))
+#endif
+#define MAC_FONT_SYMBOLIC_TRAIT kCTFontSymbolicTrait
+#define MAC_FONT_WEIGHT_TRAIT kCTFontWeightTrait
+#define MAC_FONT_WIDTH_TRAIT kCTFontWidthTrait
+#define MAC_FONT_SLANT_TRAIT kCTFontSlantTrait
+
+enum {
+  MAC_FONT_TRAIT_ITALIC = kCTFontItalicTrait,
+  MAC_FONT_TRAIT_BOLD = kCTFontBoldTrait,
+  MAC_FONT_TRAIT_MONO_SPACE = kCTFontMonoSpaceTrait,
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
+  MAC_FONT_TRAIT_COLOR_GLYPHS = kCTFontColorGlyphsTrait
+#else
+  MAC_FONT_TRAIT_COLOR_GLYPHS = (1 << 13)
+#endif
+};
+
+enum {
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
+  MAC_FONT_FORMAT_BITMAP = kCTFontFormatBitmap
+#else
+  MAC_FONT_FORMAT_BITMAP = 5
+#endif
+};
+
+enum {
+  MAC_CHARACTER_COLLECTION_IDENTITY_MAPPING = kCTIdentityMappingCharacterCollection,
+  MAC_CHARACTER_COLLECTION_ADOBE_JAPAN1 = kCTAdobeJapan1CharacterCollection
+};
+
+#define mac_font_descriptor_create_with_attributes \
+  CTFontDescriptorCreateWithAttributes
+#define mac_font_descriptor_create_matching_font_descriptors \
+  CTFontDescriptorCreateMatchingFontDescriptors
+#define mac_font_descriptor_create_matching_font_descriptor \
+  CTFontDescriptorCreateMatchingFontDescriptor
+#define mac_font_descriptor_copy_attribute CTFontDescriptorCopyAttribute
+#define mac_font_descriptor_supports_languages \
+  mac_ctfont_descriptor_supports_languages
+#define mac_font_create_with_name(name, size) \
+  CTFontCreateWithName (name, size, NULL)
+#define mac_font_get_size CTFontGetSize
+#define mac_font_copy_family_name CTFontCopyFamilyName
+#define mac_font_copy_character_set CTFontCopyCharacterSet
+#define mac_font_get_glyphs_for_characters CTFontGetGlyphsForCharacters
+#define mac_font_get_ascent CTFontGetAscent
+#define mac_font_get_descent CTFontGetDescent
+#define mac_font_get_leading CTFontGetLeading
+#define mac_font_get_underline_position CTFontGetUnderlinePosition
+#define mac_font_get_underline_thickness CTFontGetUnderlineThickness
+#define mac_font_copy_graphics_font(font) CTFontCopyGraphicsFont (font, NULL)
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
+#define mac_font_copy_non_synthetic_table(font, table) \
+  CTFontCopyTable (font, table, kCTFontTableOptionNoOptions)
+#else
+#define mac_font_copy_non_synthetic_table(font, table) \
+  CTFontCopyTable (font, table, kCTFontTableOptionExcludeSynthetic)
+#endif
+
+#define mac_font_create_preferred_family_for_attributes \
+  mac_ctfont_create_preferred_family_for_attributes
+#define mac_font_get_advance_width_for_glyph \
+  mac_ctfont_get_advance_width_for_glyph
+#define mac_font_get_bounding_rect_for_glyph \
+  mac_ctfont_get_bounding_rect_for_glyph
+#define mac_font_create_available_families mac_ctfont_create_available_families
+#define mac_font_shape mac_ctfont_shape
+#if USE_CT_GLYPH_INFO
+#define mac_font_get_glyph_for_cid mac_ctfont_get_glyph_for_cid
+#endif
+
+#define mac_nsctfont_copy_font_descriptor CTFontCopyFontDescriptor
+
+#define MAC_FONT_CHARACTER_SET_STRING_ATTRIBUTE \
+  (CFSTR ("MAC_FONT_CHARACTER_SET_STRING_ATTRIBUTE"))
+
+typedef const struct _EmacsScreenFont *ScreenFontRef; /* opaque */
+
+extern void mac_register_font_driver (struct frame *f);
+extern void *macfont_get_nsctfont (struct font *font);
+