AuroraMiddleware/harfbuzz
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

MATH Table: Add API to access math contants.

Browse Source
This commit is contained in:
Frédéric Wang 2016-08-25 11:06:41 +02:00 committed by Behdad Esfahbod
parent 4d3892e9b0
commit 319ff59161
7 changed files with 345 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/Makefile.sources
View File

@ -112,6 +112,7 @@ HB_OT_headers = \
hb-ot.h \ hb-ot.h \
hb-ot-font.h \ hb-ot-font.h \
hb-ot-layout.h \ hb-ot-layout.h \
hb-ot-math.h \
hb-ot-shape.h \ hb-ot-shape.h \
hb-ot-tag.h \ hb-ot-tag.h \
$(NULL) $(NULL)

142
src/hb-ot-layout-math-table.hh
View File

@ -29,9 +29,139 @@
#include "hb-open-type-private.hh" #include "hb-open-type-private.hh"
#include "hb-ot-layout-common-private.hh" #include "hb-ot-layout-common-private.hh"
#include "hb-ot-math.h"
namespace OT { namespace OT {
struct MathValueRecord
{
inline hb_position_t get_value (hb_font_t *font, bool horizontal,
const void *base) const
{
return horizontal ?
font->em_scale_x (value) + (base+deviceTable).get_x_delta (font) :
font->em_scale_y (value) + (base+deviceTable).get_y_delta (font);
}
inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
{
TRACE_SANITIZE (this);
return_trace (c->check_struct (this) && deviceTable.sanitize (c, base));
}
protected:
SHORT value; /* The X or Y value in design units */
OffsetTo<Device> deviceTable; /* Offset to the device table - from the
beginning of parent table. May be NULL.
Suggested format for device table is 1. */
public:
DEFINE_SIZE_STATIC (2 * 2);
};
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;
for (unsigned int i = 0; i < count; i++)
if (!mathValueRecords[i].sanitize (c, this)) return_trace (false);
return_trace (true);
}
inline bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
return_trace (c->check_struct (this) && sanitize_math_value_records(c));
}
inline hb_position_t get_value (hb_font_t *font, hb_ot_math_constant_t constant) const
{
switch (constant) {
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]);
case HB_OT_MATH_CONSTANT_RADICAL_KERN_AFTER_DEGREE:
case HB_OT_MATH_CONSTANT_RADICAL_KERN_BEFORE_DEGREE:
case HB_OT_MATH_CONSTANT_SKEWED_FRACTION_HORIZONTAL_GAP:
case HB_OT_MATH_CONSTANT_SPACE_AFTER_SCRIPT:
return mathValueRecords[constant - HB_OT_MATH_CONSTANT_MATH_LEADING].get_value(font, true, this);
case HB_OT_MATH_CONSTANT_ACCENT_BASE_HEIGHT:
case HB_OT_MATH_CONSTANT_AXIS_HEIGHT:
case HB_OT_MATH_CONSTANT_FLATTENED_ACCENT_BASE_HEIGHT:
case HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_DISPLAY_STYLE_SHIFT_DOWN:
case HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_GAP_MIN:
case HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_SHIFT_DOWN:
case HB_OT_MATH_CONSTANT_FRACTION_DENOM_DISPLAY_STYLE_GAP_MIN:
case HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_DISPLAY_STYLE_SHIFT_UP:
case HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_GAP_MIN:
case HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_SHIFT_UP:
case HB_OT_MATH_CONSTANT_FRACTION_NUM_DISPLAY_STYLE_GAP_MIN:
case HB_OT_MATH_CONSTANT_FRACTION_RULE_THICKNESS:
case HB_OT_MATH_CONSTANT_LOWER_LIMIT_BASELINE_DROP_MIN:
case HB_OT_MATH_CONSTANT_LOWER_LIMIT_GAP_MIN:
case HB_OT_MATH_CONSTANT_MATH_LEADING:
case HB_OT_MATH_CONSTANT_OVERBAR_EXTRA_ASCENDER:
case HB_OT_MATH_CONSTANT_OVERBAR_RULE_THICKNESS:
case HB_OT_MATH_CONSTANT_OVERBAR_VERTICAL_GAP:
case HB_OT_MATH_CONSTANT_RADICAL_DISPLAY_STYLE_VERTICAL_GAP:
case HB_OT_MATH_CONSTANT_RADICAL_EXTRA_ASCENDER:
case HB_OT_MATH_CONSTANT_RADICAL_RULE_THICKNESS:
case HB_OT_MATH_CONSTANT_RADICAL_VERTICAL_GAP:
case HB_OT_MATH_CONSTANT_SKEWED_FRACTION_VERTICAL_GAP:
case HB_OT_MATH_CONSTANT_STACK_BOTTOM_DISPLAY_STYLE_SHIFT_DOWN:
case HB_OT_MATH_CONSTANT_STACK_BOTTOM_SHIFT_DOWN:
case HB_OT_MATH_CONSTANT_STACK_DISPLAY_STYLE_GAP_MIN:
case HB_OT_MATH_CONSTANT_STACK_GAP_MIN:
case HB_OT_MATH_CONSTANT_STACK_TOP_DISPLAY_STYLE_SHIFT_UP:
case HB_OT_MATH_CONSTANT_STACK_TOP_SHIFT_UP:
case HB_OT_MATH_CONSTANT_STRETCH_STACK_BOTTOM_SHIFT_DOWN:
case HB_OT_MATH_CONSTANT_STRETCH_STACK_GAP_ABOVE_MIN:
case HB_OT_MATH_CONSTANT_STRETCH_STACK_GAP_BELOW_MIN:
case HB_OT_MATH_CONSTANT_STRETCH_STACK_TOP_SHIFT_UP:
case HB_OT_MATH_CONSTANT_SUBSCRIPT_BASELINE_DROP_MIN:
case HB_OT_MATH_CONSTANT_SUBSCRIPT_SHIFT_DOWN:
case HB_OT_MATH_CONSTANT_SUBSCRIPT_TOP_MAX:
case HB_OT_MATH_CONSTANT_SUB_SUPERSCRIPT_GAP_MIN:
case HB_OT_MATH_CONSTANT_SUPERSCRIPT_BASELINE_DROP_MAX:
case HB_OT_MATH_CONSTANT_SUPERSCRIPT_BOTTOM_MAX_WITH_SUBSCRIPT:
case HB_OT_MATH_CONSTANT_SUPERSCRIPT_BOTTOM_MIN:
case HB_OT_MATH_CONSTANT_SUPERSCRIPT_SHIFT_UP:
case HB_OT_MATH_CONSTANT_SUPERSCRIPT_SHIFT_UP_CRAMPED:
case HB_OT_MATH_CONSTANT_UNDERBAR_EXTRA_DESCENDER:
case HB_OT_MATH_CONSTANT_UNDERBAR_RULE_THICKNESS:
case HB_OT_MATH_CONSTANT_UNDERBAR_VERTICAL_GAP:
case HB_OT_MATH_CONSTANT_UPPER_LIMIT_BASELINE_RISE_MIN:
case HB_OT_MATH_CONSTANT_UPPER_LIMIT_GAP_MIN:
return mathValueRecords[constant - HB_OT_MATH_CONSTANT_MATH_LEADING].get_value(font, false, 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;
}
}
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 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);
};
/* /*
* MATH -- The MATH Table * MATH -- The MATH Table
*/ */
@ -44,14 +174,22 @@ struct MATH
{ {
TRACE_SANITIZE (this); TRACE_SANITIZE (this);
return_trace (version.sanitize (c) && return_trace (version.sanitize (c) &&
likely (version.major == 1)); likely (version.major == 1) &&
mathConstants.sanitize (c, this));
}
inline bool has_math_constants (void) const { return mathConstants != 0; }
inline const MathConstants &get_math_constants (void) const {
return this+mathConstants;
} }
protected: protected:
FixedVersion<>version; /* Version of the MATH table FixedVersion<>version; /* Version of the MATH table
* initially set to 0x00010000u */ * initially set to 0x00010000u */
OffsetTo<MathConstants> mathConstants; /* MathConstants table */
public: public:
DEFINE_SIZE_STATIC (4); DEFINE_SIZE_STATIC (6);
}; };
} /* mathspace OT */ } /* mathspace OT */

25
src/hb-ot-layout.cc
View File

@ -1244,3 +1244,28 @@ hb_ot_layout_has_math_data (hb_face_t *face)
{ {
return &_get_math (face) != &OT::Null(OT::MATH); return &_get_math (face) != &OT::Null(OT::MATH);
} }
/**
* hb_ot_layout_get_math_constant:
*
* @font: #hb_font_t from which to retrieve the value
* @constant: #hb_ot_math_constant_t the constant to retrieve
*
* This function returns the requested math constants as a #hb_position_t.
* If the request constant is HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN,
* HB_OT_MATH_CONSTANT_SCRIPT_SCRIPT_PERCENT_SCALE_DOWN or
* HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN then the return value is
* actually an integer between 0 and 100 representing that percentage.
*
* Return value: the requested constant or 0
*
* Since: ????
**/
hb_position_t
hb_ot_layout_get_math_constant (hb_font_t *font,
hb_ot_math_constant_t constant)
{
const OT::MATH &math = _get_math (font->face);
return math.has_math_constants() ?
math.get_math_constants().get_value(font, constant) : 0;
}

5
src/hb-ot-layout.h
View File

@ -33,6 +33,7 @@
#include "hb.h" #include "hb.h"
#include "hb-ot-math.h"
#include "hb-ot-tag.h" #include "hb-ot-tag.h"
HB_BEGIN_DECLS HB_BEGIN_DECLS
@ -305,6 +306,10 @@ hb_ot_layout_get_size_params (hb_face_t *face,
HB_EXTERN hb_bool_t HB_EXTERN hb_bool_t
hb_ot_layout_has_math_data (hb_face_t *face); hb_ot_layout_has_math_data (hb_face_t *face);
HB_EXTERN hb_position_t
hb_ot_layout_get_math_constant (hb_font_t *font,
hb_ot_math_constant_t constant);
HB_END_DECLS HB_END_DECLS

100
src/hb-ot-math.h Normal file
View File

@ -0,0 +1,100 @@
/*
* Copyright © 2016 Igalia S.L.
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Igalia Author(s): Frédéric Wang
*/
#ifndef HB_OT_H_IN
#error "Include <hb-ot.h> instead."
#endif
#ifndef HB_OT_MATH_H
#define HB_OT_MATH_H
#include "hb.h"
HB_BEGIN_DECLS
typedef enum {
HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN = 0,
HB_OT_MATH_CONSTANT_SCRIPT_SCRIPT_PERCENT_SCALE_DOWN = 1,
HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT = 2,
HB_OT_MATH_CONSTANT_DISPLAY_OPERATOR_MIN_HEIGHT = 3,
HB_OT_MATH_CONSTANT_MATH_LEADING = 4,
HB_OT_MATH_CONSTANT_AXIS_HEIGHT = 5,
HB_OT_MATH_CONSTANT_ACCENT_BASE_HEIGHT = 6,
HB_OT_MATH_CONSTANT_FLATTENED_ACCENT_BASE_HEIGHT = 7,
HB_OT_MATH_CONSTANT_SUBSCRIPT_SHIFT_DOWN = 8,
HB_OT_MATH_CONSTANT_SUBSCRIPT_TOP_MAX = 9,
HB_OT_MATH_CONSTANT_SUBSCRIPT_BASELINE_DROP_MIN = 10,
HB_OT_MATH_CONSTANT_SUPERSCRIPT_SHIFT_UP = 11,
HB_OT_MATH_CONSTANT_SUPERSCRIPT_SHIFT_UP_CRAMPED = 12,
HB_OT_MATH_CONSTANT_SUPERSCRIPT_BOTTOM_MIN = 13,
HB_OT_MATH_CONSTANT_SUPERSCRIPT_BASELINE_DROP_MAX = 14,
HB_OT_MATH_CONSTANT_SUB_SUPERSCRIPT_GAP_MIN = 15,
HB_OT_MATH_CONSTANT_SUPERSCRIPT_BOTTOM_MAX_WITH_SUBSCRIPT = 16,
HB_OT_MATH_CONSTANT_SPACE_AFTER_SCRIPT = 17,
HB_OT_MATH_CONSTANT_UPPER_LIMIT_GAP_MIN = 18,
HB_OT_MATH_CONSTANT_UPPER_LIMIT_BASELINE_RISE_MIN = 19,
HB_OT_MATH_CONSTANT_LOWER_LIMIT_GAP_MIN = 20,
HB_OT_MATH_CONSTANT_LOWER_LIMIT_BASELINE_DROP_MIN = 21,
HB_OT_MATH_CONSTANT_STACK_TOP_SHIFT_UP = 22,
HB_OT_MATH_CONSTANT_STACK_TOP_DISPLAY_STYLE_SHIFT_UP = 23,
HB_OT_MATH_CONSTANT_STACK_BOTTOM_SHIFT_DOWN = 24,
HB_OT_MATH_CONSTANT_STACK_BOTTOM_DISPLAY_STYLE_SHIFT_DOWN = 25,
HB_OT_MATH_CONSTANT_STACK_GAP_MIN = 26,
HB_OT_MATH_CONSTANT_STACK_DISPLAY_STYLE_GAP_MIN = 27,
HB_OT_MATH_CONSTANT_STRETCH_STACK_TOP_SHIFT_UP = 28,
HB_OT_MATH_CONSTANT_STRETCH_STACK_BOTTOM_SHIFT_DOWN = 29,
HB_OT_MATH_CONSTANT_STRETCH_STACK_GAP_ABOVE_MIN = 30,
HB_OT_MATH_CONSTANT_STRETCH_STACK_GAP_BELOW_MIN = 31,
HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_SHIFT_UP = 32,
HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_DISPLAY_STYLE_SHIFT_UP = 33,
HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_SHIFT_DOWN = 34,
HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_DISPLAY_STYLE_SHIFT_DOWN = 35,
HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_GAP_MIN = 36,
HB_OT_MATH_CONSTANT_FRACTION_NUM_DISPLAY_STYLE_GAP_MIN = 37,
HB_OT_MATH_CONSTANT_FRACTION_RULE_THICKNESS = 38,
HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_GAP_MIN = 39,
HB_OT_MATH_CONSTANT_FRACTION_DENOM_DISPLAY_STYLE_GAP_MIN = 40,
HB_OT_MATH_CONSTANT_SKEWED_FRACTION_HORIZONTAL_GAP = 41,
HB_OT_MATH_CONSTANT_SKEWED_FRACTION_VERTICAL_GAP = 42,
HB_OT_MATH_CONSTANT_OVERBAR_VERTICAL_GAP = 43,
HB_OT_MATH_CONSTANT_OVERBAR_RULE_THICKNESS = 44,
HB_OT_MATH_CONSTANT_OVERBAR_EXTRA_ASCENDER = 45,
HB_OT_MATH_CONSTANT_UNDERBAR_VERTICAL_GAP = 46,
HB_OT_MATH_CONSTANT_UNDERBAR_RULE_THICKNESS = 47,
HB_OT_MATH_CONSTANT_UNDERBAR_EXTRA_DESCENDER = 48,
HB_OT_MATH_CONSTANT_RADICAL_VERTICAL_GAP = 49,
HB_OT_MATH_CONSTANT_RADICAL_DISPLAY_STYLE_VERTICAL_GAP = 50,
HB_OT_MATH_CONSTANT_RADICAL_RULE_THICKNESS = 51,
HB_OT_MATH_CONSTANT_RADICAL_EXTRA_ASCENDER = 52,
HB_OT_MATH_CONSTANT_RADICAL_KERN_BEFORE_DEGREE = 53,
HB_OT_MATH_CONSTANT_RADICAL_KERN_AFTER_DEGREE = 54,
HB_OT_MATH_CONSTANT_RADICAL_DEGREE_BOTTOM_RAISE_PERCENT = 55
} hb_ot_math_constant_t;
HB_END_DECLS
#endif /* HB_OT_MATH_H */

BIN
test/api/fonts/MathTestFontFull.otf Normal file
View File

Binary file not shown.

72
test/api/test-ot-layout-math.c
View File

@ -89,12 +89,84 @@ test_has_math_data (void)
cleanupFreeType(); cleanupFreeType();
} }
static void
test_get_math_constant (void)
{
initFreeType();
openFont("fonts/MathTestFontEmpty.otf");
g_assert_cmpint(hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT), ==, 0); // MathConstants not available
closeFont();
openFont("fonts/MathTestFontFull.otf");
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT)), ==, 100);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_DISPLAY_OPERATOR_MIN_HEIGHT)), ==, 200);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_MATH_LEADING)), ==, 300);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_AXIS_HEIGHT)), ==, 400);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_ACCENT_BASE_HEIGHT)), ==, 500);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FLATTENED_ACCENT_BASE_HEIGHT)), ==, 600);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUBSCRIPT_SHIFT_DOWN)), ==, 700);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUBSCRIPT_TOP_MAX)), ==, 800);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUBSCRIPT_BASELINE_DROP_MIN)), ==, 900);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_SHIFT_UP)), ==, 1100);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_SHIFT_UP_CRAMPED)), ==, 1200);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_BOTTOM_MIN)), ==, 1300);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_BASELINE_DROP_MAX)), ==, 1400);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUB_SUPERSCRIPT_GAP_MIN)), ==, 1500);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_BOTTOM_MAX_WITH_SUBSCRIPT)), ==, 1600);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SPACE_AFTER_SCRIPT)), ==, 1700);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_UPPER_LIMIT_GAP_MIN)), ==, 1800);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_UPPER_LIMIT_BASELINE_RISE_MIN)), ==, 1900);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_LOWER_LIMIT_GAP_MIN)), ==, 2200);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_LOWER_LIMIT_BASELINE_DROP_MIN)), ==, 2300);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_TOP_SHIFT_UP)), ==, 2400);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_TOP_DISPLAY_STYLE_SHIFT_UP)), ==, 2500);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_BOTTOM_SHIFT_DOWN)), ==, 2600);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_BOTTOM_DISPLAY_STYLE_SHIFT_DOWN)), ==, 2700);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_GAP_MIN)), ==, 2800);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_DISPLAY_STYLE_GAP_MIN)), ==, 2900);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STRETCH_STACK_TOP_SHIFT_UP)), ==, 3000);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STRETCH_STACK_BOTTOM_SHIFT_DOWN)), ==, 3100);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STRETCH_STACK_GAP_ABOVE_MIN)), ==, 3200);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_STRETCH_STACK_GAP_BELOW_MIN)), ==, 3300);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_SHIFT_UP)), ==, 3400);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_DISPLAY_STYLE_SHIFT_UP)), ==, 3500);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_SHIFT_DOWN)), ==, 3600);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_DISPLAY_STYLE_SHIFT_DOWN)), ==, 3700);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_GAP_MIN)), ==, 3800);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_NUM_DISPLAY_STYLE_GAP_MIN)), ==, 3900);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_RULE_THICKNESS)), ==, 4000);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_GAP_MIN)), ==, 4100);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOM_DISPLAY_STYLE_GAP_MIN)), ==, 4200);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SKEWED_FRACTION_HORIZONTAL_GAP)), ==, 4300);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SKEWED_FRACTION_VERTICAL_GAP)), ==, 4400);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_OVERBAR_VERTICAL_GAP)), ==, 4500);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_OVERBAR_RULE_THICKNESS)), ==, 4600);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_OVERBAR_EXTRA_ASCENDER)), ==, 4700);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_UNDERBAR_VERTICAL_GAP)), ==, 4800);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_UNDERBAR_RULE_THICKNESS)), ==, 4900);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_UNDERBAR_EXTRA_DESCENDER)), ==, 5000);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_VERTICAL_GAP)), ==, 5100);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_DISPLAY_STYLE_VERTICAL_GAP)), ==, 5200);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_RULE_THICKNESS)), ==, 5300);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_EXTRA_ASCENDER)), ==, 5400);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_KERN_BEFORE_DEGREE)), ==, 5500);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_KERN_AFTER_DEGREE)), ==, 5600);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN)), ==, 87);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_SCRIPT_SCRIPT_PERCENT_SCALE_DOWN)), ==, 76);
g_assert_cmpint((hb_ot_layout_get_math_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_DEGREE_BOTTOM_RAISE_PERCENT)), ==, 65);
closeFont();
cleanupFreeType();
}
int int
main (int argc, char **argv) main (int argc, char **argv)
{ {
hb_test_init (&argc, &argv); hb_test_init (&argc, &argv);
hb_test_add (test_has_math_data); hb_test_add (test_has_math_data);
hb_test_add (test_get_math_constant);
return hb_test_run(); return hb_test_run();
} }