mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-24 05:11:16 +00:00
188 lines
7.1 KiB
C
188 lines
7.1 KiB
C
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
* 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 50
|
|
#define NS_FONT_STRETCH_EXTRA_CONDENSED 62
|
|
#define NS_FONT_STRETCH_CONDENSED 75
|
|
#define NS_FONT_STRETCH_SEMI_CONDENSED 87
|
|
#define NS_FONT_STRETCH_NORMAL 100
|
|
#define NS_FONT_STRETCH_SEMI_EXPANDED 112
|
|
#define NS_FONT_STRETCH_EXPANDED 125
|
|
#define NS_FONT_STRETCH_EXTRA_EXPANDED 150
|
|
#define NS_FONT_STRETCH_ULTRA_EXPANDED 200
|
|
|
|
#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_SYNTHESIS_SMALL_CAPS 0x4
|
|
|
|
#define NS_FONT_OPTICAL_SIZING_AUTO 0
|
|
#define NS_FONT_OPTICAL_SIZING_NONE 1
|
|
|
|
#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
|