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[MATH] Fixup math constants commit a bit more

This commit is contained in:
Behdad Esfahbod 2016-09-26 11:24:39 +01:00
parent 1a381153a2
commit 6fd2fe418d
1 changed files with 11 additions and 13 deletions
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24
src/hb-ot-layout-math-table.hh
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@ -62,9 +62,7 @@ struct MathConstants
inline bool sanitize_math_value_records (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
unsigned int count =
HB_OT_MATH_CONSTANT_RADICAL_KERN_AFTER_DEGREE -
HB_OT_MATH_CONSTANT_MATH_LEADING + 1;
unsigned int count = ARRAY_LENGTH (mathValueRecords);
for (unsigned int i = 0; i < count; i++)
if (!mathValueRecords[i].sanitize (c, this)) return_trace (false);
return_trace (true);
@ -79,6 +77,11 @@ struct MathConstants
inline hb_position_t get_value (hb_font_t *font, hb_ot_math_constant_t constant) const
{
switch (constant) {
case HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN:
case HB_OT_MATH_CONSTANT_SCRIPT_SCRIPT_PERCENT_SCALE_DOWN:
return percentScaleDown[constant - HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN];
case HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT:
case HB_OT_MATH_CONSTANT_DISPLAY_OPERATOR_MIN_HEIGHT:
return font->em_scale_y (minHeight[constant - HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT]);
@ -138,27 +141,22 @@ struct MathConstants
case HB_OT_MATH_CONSTANT_UPPER_LIMIT_GAP_MIN:
return mathValueRecords[constant - HB_OT_MATH_CONSTANT_MATH_LEADING].get_y_value(font, this);
case HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN:
case HB_OT_MATH_CONSTANT_SCRIPT_SCRIPT_PERCENT_SCALE_DOWN:
return percentScaleDown[constant - HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN];
case HB_OT_MATH_CONSTANT_RADICAL_DEGREE_BOTTOM_RAISE_PERCENT:
return radicalDegreeBottomRaisePercent;
default:
return 0;
}
}
protected:
SHORT percentScaleDown[HB_OT_MATH_CONSTANT_SCRIPT_SCRIPT_PERCENT_SCALE_DOWN - HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN + 1];
USHORT minHeight[HB_OT_MATH_CONSTANT_DISPLAY_OPERATOR_MIN_HEIGHT - HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT + 1];
MathValueRecord mathValueRecords[HB_OT_MATH_CONSTANT_RADICAL_KERN_AFTER_DEGREE - HB_OT_MATH_CONSTANT_MATH_LEADING + 1];
SHORT percentScaleDown[2];
USHORT minHeight[2];
MathValueRecord mathValueRecords[51];
SHORT radicalDegreeBottomRaisePercent;
public:
DEFINE_SIZE_STATIC (2 * (HB_OT_MATH_CONSTANT_DISPLAY_OPERATOR_MIN_HEIGHT - HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN + 1) +
4 * (HB_OT_MATH_CONSTANT_RADICAL_KERN_AFTER_DEGREE - HB_OT_MATH_CONSTANT_MATH_LEADING + 1) +
2);
DEFINE_SIZE_STATIC (214);
};
/*