diff options
Diffstat (limited to 'Master/texmf-dist/tex/context/base/math-dim.lua')
| -rw-r--r-- | Master/texmf-dist/tex/context/base/math-dim.lua | 50 |
1 files changed, 33 insertions, 17 deletions
diff --git a/Master/texmf-dist/tex/context/base/math-dim.lua b/Master/texmf-dist/tex/context/base/math-dim.lua index 62d805126f8..7b4b49f6860 100644 --- a/Master/texmf-dist/tex/context/base/math-dim.lua +++ b/Master/texmf-dist/tex/context/base/math-dim.lua @@ -6,12 +6,20 @@ if not modules then modules = { } end modules ['math-dim'] = { license = "see context related readme files" } --- Beware: only Taco really understands in depth what these dimensions do so --- if you run into problems ... +-- Beware: only Taco and Ulrik really understands in depth what these dimensions +-- do so if you run into problems ask on the context list. -local abs, next = math.abs, next +-- The radical_rule value is also used as a trigger. In luatex the accent +-- placement happens either the opentype way (using top_accent cum suis) or the +-- traditional way. In order to determine what method to use the \Umathradicalrule +-- setting is consulted to determine what method to use. This is more efficient +-- than analyzing the (potentially spread over multiple families) situation. For +-- this reason we need to set the radical_rule here. It used to be "<unset>" in +-- which case the engine takes the rulethickness. In c-speak: +-- +-- int compat_mode = (radical_rule(cur_style) == undefined_math_parameter) ; -mathematics = mathematics or { } +local abs, next = math.abs, next local defaults = { ['axis']={ @@ -87,7 +95,8 @@ local defaults = { ['default']={ "RadicalExtraAscender", "default_rule_thickness" }, }, ['radical_rule']={ - ['default']={ "RadicalRuleThickness", "<not set>" }, + ['default']={ "RadicalRuleThickness", "default_rule_thickness" }, + -- ['default']={ "surd_height(f)", "default_rule_thickness" }, }, ['radical_vgap']={ ['default']={ "RadicalVerticalGap", "default_rule_thickness+(abs(default_rule_thickness)/4)" }, @@ -207,10 +216,10 @@ end -- return t.default or t.text_style or 0 -- end -function mathematics.dimensions(dimens) +function mathematics.dimensions(dimens) -- beware, dimens get spoiled if dimens.SpaceAfterScript then dimens.SubscriptShiftDownWithSuperscript = dimens.SubscriptShiftDown * 1.5 - return { }, table.fastcopy(dimens) + return table.fastcopy(dimens), { } elseif dimens.AxisHeight or dimens.axis_height then local t = { } local math_x_height = dimens.x_height or 10*65526 @@ -249,10 +258,12 @@ function mathematics.dimensions(dimens) end t[variable] = tt end ---~ logs.report("warning", "version 0.47 is needed for proper delimited math") local d = { - AxisHeight = t . axis . text_style, AccentBaseHeight = t . accent_base_height . text_style, + AxisHeight = t . axis . text_style, + -- DelimitedSubFormulaMinHeight + -- DisplayOperatorMinHeight + -- FlattenedAccentBaseHeight FractionDenominatorDisplayStyleGapMin = t . fraction_denom_vgap . display_style, FractionDenominatorDisplayStyleShiftDown = t . fraction_denom_down . display_style, FractionDenominatorGapMin = t . fraction_denom_vgap . text_style, @@ -266,6 +277,8 @@ function mathematics.dimensions(dimens) FractionDelimiterDisplayStyleSize = t . fraction_del_size . display_style, LowerLimitBaselineDropMin = t . limit_below_bgap . text_style, LowerLimitGapMin = t . limit_below_vgap . text_style, + -- MathLeading + MinConnectorOverlap = t . connector_overlap_min . text_style, OverbarExtraAscender = t . overbar_kern . text_style, OverbarRuleThickness = t . overbar_rule . text_style, OverbarVerticalGap = t . overbar_vgap . text_style, @@ -276,6 +289,10 @@ function mathematics.dimensions(dimens) RadicalKernBeforeDegree = t . radical_degree_before . display_style, RadicalKernAfterDegree = t . radical_degree_after . display_style, RadicalDegreeBottomRaisePercent = t . radical_degree_raise . display_style, + -- ScriptPercentScaleDown + -- ScriptScriptPercentScaleDown + -- SkewedFractionHorizontalGap + -- SkewedFractionVerticalGap SpaceAfterScript = t . space_after_script . text_style, StackBottomDisplayStyleShiftDown = t . stack_denom_down . display_style, StackBottomShiftDown = t . stack_denom_down . text_style, @@ -283,11 +300,15 @@ function mathematics.dimensions(dimens) StackGapMin = t . stack_vgap . text_style, StackTopDisplayStyleShiftUp = t . stack_num_up . display_style, StackTopShiftUp = t . stack_num_up . text_style, + StretchStackGapBelowMin = t . over_delimiter_vgap . text_style, + StretchStackTopShiftUp = t . over_delimiter_bgap . text_style, + StretchStackGapAboveMin = t . under_delimiter_vgap . text_style, + StretchStackBottomShiftDown = t . under_delimiter_bgap . text_style, + SubSuperscriptGapMin = t . subsup_vgap . text_style, SubscriptBaselineDropMin = t . sub_shift_drop . text_style, SubscriptShiftDown = t . sub_shift_down . text_style, SubscriptShiftDownWithSuperscript = t . sub_sup_shift_down . text_style, SubscriptTopMax = t . sub_top_max . text_style, - SubSuperscriptGapMin = t . subsup_vgap . text_style, SuperscriptBaselineDropMax = t . sup_shift_drop . text_style, SuperscriptBottomMaxWithSubscript = t . sup_sub_bottom_max . text_style, SuperscriptBottomMin = t . sup_bottom_min . text_style, @@ -298,14 +319,9 @@ function mathematics.dimensions(dimens) UnderbarVerticalGap = t . underbar_vgap . text_style, UpperLimitBaselineRiseMin = t . limit_above_bgap . text_style, UpperLimitGapMin = t . limit_above_vgap . text_style, - MinConnectorOverlap = t . connector_overlap_min . text_style, - StretchStackGapBelowMin = t . over_delimiter_vgap . text_style, - StretchStackTopShiftUp = t . over_delimiter_bgap . text_style, - StretchStackGapAboveMin = t . under_delimiter_vgap . text_style, - StretchStackBottomShiftDown = t . under_delimiter_bgap . text_style, } - d.AccentBaseHeight = 0 - return t, d -- this might change + d.AccentBaseHeight = 0 -- here? still? + return d, t -- t only for diagnostics else return { }, { } end |