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Diffstat (limited to 'gfx/thebes/gfxFontConstants.h')
| -rw-r--r-- | gfx/thebes/gfxFontConstants.h | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/gfx/thebes/gfxFontConstants.h b/gfx/thebes/gfxFontConstants.h new file mode 100644 index 0000000000..f41af73aad --- /dev/null +++ b/gfx/thebes/gfxFontConstants.h @@ -0,0 +1,185 @@ +/* -*- 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_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 + +enum class StyleFontVariantEmoji : uint8_t { Normal, Text, Emoji, Unicode }; + +// 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 |