/* -*- 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 #define NS_FONT_VARIANT_ALTERNATES_NORMAL 0 // alternates - simple enumerated values #define NS_FONT_VARIANT_ALTERNATES_HISTORICAL (1 << 0) // alternates - values that use functional syntax #define NS_FONT_VARIANT_ALTERNATES_STYLISTIC (1 << 1) #define NS_FONT_VARIANT_ALTERNATES_STYLESET (1 << 2) #define NS_FONT_VARIANT_ALTERNATES_CHARACTER_VARIANT (1 << 3) #define NS_FONT_VARIANT_ALTERNATES_SWASH (1 << 4) #define NS_FONT_VARIANT_ALTERNATES_ORNAMENTS (1 << 5) #define NS_FONT_VARIANT_ALTERNATES_ANNOTATION (1 << 6) #define NS_FONT_VARIANT_ALTERNATES_COUNT 7 #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 #define NS_FONT_VARIANT_EAST_ASIAN_NORMAL 0 #define NS_FONT_VARIANT_EAST_ASIAN_JIS78 (1 << 0) #define NS_FONT_VARIANT_EAST_ASIAN_JIS83 (1 << 1) #define NS_FONT_VARIANT_EAST_ASIAN_JIS90 (1 << 2) #define NS_FONT_VARIANT_EAST_ASIAN_JIS04 (1 << 3) #define NS_FONT_VARIANT_EAST_ASIAN_SIMPLIFIED (1 << 4) #define NS_FONT_VARIANT_EAST_ASIAN_TRADITIONAL (1 << 5) #define NS_FONT_VARIANT_EAST_ASIAN_FULL_WIDTH (1 << 6) #define NS_FONT_VARIANT_EAST_ASIAN_PROP_WIDTH (1 << 7) #define NS_FONT_VARIANT_EAST_ASIAN_RUBY (1 << 8) #define NS_FONT_VARIANT_EAST_ASIAN_COUNT 9 #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 ) #define NS_FONT_VARIANT_LIGATURES_NORMAL 0 #define NS_FONT_VARIANT_LIGATURES_NONE (1 << 0) #define NS_FONT_VARIANT_LIGATURES_COMMON (1 << 1) #define NS_FONT_VARIANT_LIGATURES_NO_COMMON (1 << 2) #define NS_FONT_VARIANT_LIGATURES_DISCRETIONARY (1 << 3) #define NS_FONT_VARIANT_LIGATURES_NO_DISCRETIONARY (1 << 4) #define NS_FONT_VARIANT_LIGATURES_HISTORICAL (1 << 5) #define NS_FONT_VARIANT_LIGATURES_NO_HISTORICAL (1 << 6) #define NS_FONT_VARIANT_LIGATURES_CONTEXTUAL (1 << 7) #define NS_FONT_VARIANT_LIGATURES_NO_CONTEXTUAL (1 << 8) #define NS_FONT_VARIANT_LIGATURES_COUNT 9 #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 #define NS_FONT_VARIANT_NUMERIC_NORMAL 0 #define NS_FONT_VARIANT_NUMERIC_LINING (1 << 0) #define NS_FONT_VARIANT_NUMERIC_OLDSTYLE (1 << 1) #define NS_FONT_VARIANT_NUMERIC_PROPORTIONAL (1 << 2) #define NS_FONT_VARIANT_NUMERIC_TABULAR (1 << 3) #define NS_FONT_VARIANT_NUMERIC_DIAGONAL_FRACTIONS (1 << 4) #define NS_FONT_VARIANT_NUMERIC_STACKED_FRACTIONS (1 << 5) #define NS_FONT_VARIANT_NUMERIC_SLASHZERO (1 << 6) #define NS_FONT_VARIANT_NUMERIC_ORDINAL (1 << 7) #define NS_FONT_VARIANT_NUMERIC_COUNT 8 #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 id's 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