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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* font constants shared by both thebes and layout */
#ifndef GFX_FONT_CONSTANTS_H
#define GFX_FONT_CONSTANTS_H
/*
* This file is separate from gfxFont.h so that layout can include it
* without bringing in gfxFont.h and everything it includes.
*/
#define NS_FONT_STYLE_NORMAL 0
#define NS_FONT_STYLE_ITALIC 1
#define NS_FONT_STYLE_OBLIQUE 2
#define NS_FONT_WEIGHT_NORMAL 400
#define NS_FONT_WEIGHT_BOLD 700
#define NS_FONT_WEIGHT_THIN 100
#define NS_FONT_STRETCH_ULTRA_CONDENSED (-4)
#define NS_FONT_STRETCH_EXTRA_CONDENSED (-3)
#define NS_FONT_STRETCH_CONDENSED (-2)
#define NS_FONT_STRETCH_SEMI_CONDENSED (-1)
#define NS_FONT_STRETCH_NORMAL 0
#define NS_FONT_STRETCH_SEMI_EXPANDED 1
#define NS_FONT_STRETCH_EXPANDED 2
#define NS_FONT_STRETCH_EXTRA_EXPANDED 3
#define NS_FONT_STRETCH_ULTRA_EXPANDED 4
#define NS_FONT_SMOOTHING_AUTO 0
#define NS_FONT_SMOOTHING_GRAYSCALE 1
#define NS_FONT_KERNING_AUTO 0
#define NS_FONT_KERNING_NONE 1
#define NS_FONT_KERNING_NORMAL 2
#define NS_FONT_SYNTHESIS_WEIGHT 0x1
#define NS_FONT_SYNTHESIS_STYLE 0x2
#define NS_FONT_DISPLAY_AUTO 0
#define NS_FONT_DISPLAY_BLOCK 1
#define NS_FONT_DISPLAY_SWAP 2
#define NS_FONT_DISPLAY_FALLBACK 3
#define NS_FONT_DISPLAY_OPTIONAL 4
enum {
eFeatureAlternates_historical,
eFeatureAlternates_stylistic,
eFeatureAlternates_styleset,
eFeatureAlternates_character_variant,
eFeatureAlternates_swash,
eFeatureAlternates_ornaments,
eFeatureAlternates_annotation,
eFeatureAlternates_numFeatures
};
// alternates - simple enumerated values
#define NS_FONT_VARIANT_ALTERNATES_HISTORICAL (1 << eFeatureAlternates_historical)
// alternates - values that use functional syntax
#define NS_FONT_VARIANT_ALTERNATES_STYLISTIC (1 << eFeatureAlternates_stylistic)
#define NS_FONT_VARIANT_ALTERNATES_STYLESET (1 << eFeatureAlternates_styleset)
#define NS_FONT_VARIANT_ALTERNATES_CHARACTER_VARIANT (1 << eFeatureAlternates_character_variant)
#define NS_FONT_VARIANT_ALTERNATES_SWASH (1 << eFeatureAlternates_swash)
#define NS_FONT_VARIANT_ALTERNATES_ORNAMENTS (1 << eFeatureAlternates_ornaments)
#define NS_FONT_VARIANT_ALTERNATES_ANNOTATION (1 << eFeatureAlternates_annotation)
#define NS_FONT_VARIANT_ALTERNATES_ENUMERATED_MASK \
NS_FONT_VARIANT_ALTERNATES_HISTORICAL
#define NS_FONT_VARIANT_ALTERNATES_FUNCTIONAL_MASK ( \
NS_FONT_VARIANT_ALTERNATES_STYLISTIC | \
NS_FONT_VARIANT_ALTERNATES_STYLESET | \
NS_FONT_VARIANT_ALTERNATES_CHARACTER_VARIANT | \
NS_FONT_VARIANT_ALTERNATES_SWASH | \
NS_FONT_VARIANT_ALTERNATES_ORNAMENTS | \
NS_FONT_VARIANT_ALTERNATES_ANNOTATION )
#define NS_FONT_VARIANT_CAPS_NORMAL 0
#define NS_FONT_VARIANT_CAPS_SMALLCAPS 1
#define NS_FONT_VARIANT_CAPS_ALLSMALL 2
#define NS_FONT_VARIANT_CAPS_PETITECAPS 3
#define NS_FONT_VARIANT_CAPS_ALLPETITE 4
#define NS_FONT_VARIANT_CAPS_TITLING 5
#define NS_FONT_VARIANT_CAPS_UNICASE 6
enum {
eFeatureEastAsian_jis78,
eFeatureEastAsian_jis83,
eFeatureEastAsian_jis90,
eFeatureEastAsian_jis04,
eFeatureEastAsian_simplified,
eFeatureEastAsian_traditional,
eFeatureEastAsian_full_width,
eFeatureEastAsian_prop_width,
eFeatureEastAsian_ruby,
eFeatureEastAsian_numFeatures
};
#define NS_FONT_VARIANT_EAST_ASIAN_JIS78 (1 << eFeatureEastAsian_jis78)
#define NS_FONT_VARIANT_EAST_ASIAN_JIS83 (1 << eFeatureEastAsian_jis83)
#define NS_FONT_VARIANT_EAST_ASIAN_JIS90 (1 << eFeatureEastAsian_jis90)
#define NS_FONT_VARIANT_EAST_ASIAN_JIS04 (1 << eFeatureEastAsian_jis04)
#define NS_FONT_VARIANT_EAST_ASIAN_SIMPLIFIED (1 << eFeatureEastAsian_simplified)
#define NS_FONT_VARIANT_EAST_ASIAN_TRADITIONAL (1 << eFeatureEastAsian_traditional)
#define NS_FONT_VARIANT_EAST_ASIAN_FULL_WIDTH (1 << eFeatureEastAsian_full_width)
#define NS_FONT_VARIANT_EAST_ASIAN_PROP_WIDTH (1 << eFeatureEastAsian_prop_width)
#define NS_FONT_VARIANT_EAST_ASIAN_RUBY (1 << eFeatureEastAsian_ruby)
#define NS_FONT_VARIANT_EAST_ASIAN_VARIANT_MASK ( \
NS_FONT_VARIANT_EAST_ASIAN_JIS78 | \
NS_FONT_VARIANT_EAST_ASIAN_JIS83 | \
NS_FONT_VARIANT_EAST_ASIAN_JIS90 | \
NS_FONT_VARIANT_EAST_ASIAN_JIS04 | \
NS_FONT_VARIANT_EAST_ASIAN_SIMPLIFIED | \
NS_FONT_VARIANT_EAST_ASIAN_TRADITIONAL )
#define NS_FONT_VARIANT_EAST_ASIAN_WIDTH_MASK ( \
NS_FONT_VARIANT_EAST_ASIAN_FULL_WIDTH | \
NS_FONT_VARIANT_EAST_ASIAN_PROP_WIDTH )
enum {
eFeatureLigatures_none,
eFeatureLigatures_common,
eFeatureLigatures_no_common,
eFeatureLigatures_discretionary,
eFeatureLigatures_no_discretionary,
eFeatureLigatures_historical,
eFeatureLigatures_no_historical,
eFeatureLigatures_contextual,
eFeatureLigatures_no_contextual,
eFeatureLigatures_numFeatures
};
#define NS_FONT_VARIANT_LIGATURES_NONE (1 << eFeatureLigatures_none)
#define NS_FONT_VARIANT_LIGATURES_COMMON (1 << eFeatureLigatures_common)
#define NS_FONT_VARIANT_LIGATURES_NO_COMMON (1 << eFeatureLigatures_no_common)
#define NS_FONT_VARIANT_LIGATURES_DISCRETIONARY (1 << eFeatureLigatures_discretionary)
#define NS_FONT_VARIANT_LIGATURES_NO_DISCRETIONARY (1 << eFeatureLigatures_no_discretionary)
#define NS_FONT_VARIANT_LIGATURES_HISTORICAL (1 << eFeatureLigatures_historical)
#define NS_FONT_VARIANT_LIGATURES_NO_HISTORICAL (1 << eFeatureLigatures_no_historical)
#define NS_FONT_VARIANT_LIGATURES_CONTEXTUAL (1 << eFeatureLigatures_contextual)
#define NS_FONT_VARIANT_LIGATURES_NO_CONTEXTUAL (1 << eFeatureLigatures_no_contextual)
#define NS_FONT_VARIANT_LIGATURES_COMMON_MASK ( \
NS_FONT_VARIANT_LIGATURES_COMMON | \
NS_FONT_VARIANT_LIGATURES_NO_COMMON )
#define NS_FONT_VARIANT_LIGATURES_DISCRETIONARY_MASK ( \
NS_FONT_VARIANT_LIGATURES_DISCRETIONARY | \
NS_FONT_VARIANT_LIGATURES_NO_DISCRETIONARY )
#define NS_FONT_VARIANT_LIGATURES_HISTORICAL_MASK ( \
NS_FONT_VARIANT_LIGATURES_HISTORICAL | \
NS_FONT_VARIANT_LIGATURES_NO_HISTORICAL )
#define NS_FONT_VARIANT_LIGATURES_CONTEXTUAL_MASK \
NS_FONT_VARIANT_LIGATURES_CONTEXTUAL | \
NS_FONT_VARIANT_LIGATURES_NO_CONTEXTUAL
enum {
eFeatureNumeric_lining,
eFeatureNumeric_oldstyle,
eFeatureNumeric_proportional,
eFeatureNumeric_tabular,
eFeatureNumeric_diagonal_fractions,
eFeatureNumeric_stacked_fractions,
eFeatureNumeric_slashedzero,
eFeatureNumeric_ordinal,
eFeatureNumeric_numFeatures
};
#define NS_FONT_VARIANT_NUMERIC_LINING (1 << eFeatureNumeric_lining)
#define NS_FONT_VARIANT_NUMERIC_OLDSTYLE (1 << eFeatureNumeric_oldstyle)
#define NS_FONT_VARIANT_NUMERIC_PROPORTIONAL (1 << eFeatureNumeric_proportional)
#define NS_FONT_VARIANT_NUMERIC_TABULAR (1 << eFeatureNumeric_tabular)
#define NS_FONT_VARIANT_NUMERIC_DIAGONAL_FRACTIONS (1 << eFeatureNumeric_diagonal_fractions)
#define NS_FONT_VARIANT_NUMERIC_STACKED_FRACTIONS (1 << eFeatureNumeric_stacked_fractions)
#define NS_FONT_VARIANT_NUMERIC_SLASHZERO (1 << eFeatureNumeric_slashedzero)
#define NS_FONT_VARIANT_NUMERIC_ORDINAL (1 << eFeatureNumeric_ordinal)
#define NS_FONT_VARIANT_NUMERIC_FIGURE_MASK \
NS_FONT_VARIANT_NUMERIC_LINING | \
NS_FONT_VARIANT_NUMERIC_OLDSTYLE
#define NS_FONT_VARIANT_NUMERIC_SPACING_MASK \
NS_FONT_VARIANT_NUMERIC_PROPORTIONAL | \
NS_FONT_VARIANT_NUMERIC_TABULAR
#define NS_FONT_VARIANT_NUMERIC_FRACTION_MASK \
NS_FONT_VARIANT_NUMERIC_DIAGONAL_FRACTIONS | \
NS_FONT_VARIANT_NUMERIC_STACKED_FRACTIONS
#define NS_FONT_VARIANT_POSITION_NORMAL 0
#define NS_FONT_VARIANT_POSITION_SUPER 1
#define NS_FONT_VARIANT_POSITION_SUB 2
#define NS_FONT_VARIANT_WIDTH_NORMAL 0
#define NS_FONT_VARIANT_WIDTH_FULL 1
#define NS_FONT_VARIANT_WIDTH_HALF 2
#define NS_FONT_VARIANT_WIDTH_THIRD 3
#define NS_FONT_VARIANT_WIDTH_QUARTER 4
// based on fixed offset values used within WebKit
#define NS_FONT_SUBSCRIPT_OFFSET_RATIO (0.20)
#define NS_FONT_SUPERSCRIPT_OFFSET_RATIO (0.34)
// this roughly corresponds to font-size: smaller behavior
// at smaller sizes <20px the ratio is closer to 0.8 while at
// larger sizes >45px the ratio is closer to 0.667 and in between
// a blend of values is used
#define NS_FONT_SUB_SUPER_SIZE_RATIO_SMALL (0.82)
#define NS_FONT_SUB_SUPER_SIZE_RATIO_LARGE (0.667)
#define NS_FONT_SUB_SUPER_SMALL_SIZE (20.0)
#define NS_FONT_SUB_SUPER_LARGE_SIZE (45.0)
// pref lang ids for font prefs
enum eFontPrefLang {
#define FONT_PREF_LANG(enum_id_, str_, atom_id_) eFontPrefLang_ ## enum_id_
#include "gfxFontPrefLangList.h"
#undef FONT_PREF_LANG
, eFontPrefLang_CJKSet // special code for CJK set
, eFontPrefLang_Emoji // special code for emoji presentation
, eFontPrefLang_First = eFontPrefLang_Western
, eFontPrefLang_Last = eFontPrefLang_Others
, eFontPrefLang_Count = (eFontPrefLang_Last - eFontPrefLang_First + 1)
};
#endif
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