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src/java.desktop/share/native/libfontmanager/harfbuzz/hb-ot-layout-base-table.hh
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*** 1,8 ****
--- 1,9 ----
/*
* Copyright © 2016 Elie Roux <elie.roux@telecom-bretagne.eu>
* Copyright © 2018 Google, Inc.
+ * Copyright © 2018 Ebrahim Byagowi
*
* 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
*** 26,128 ****
*/
#ifndef HB_OT_LAYOUT_BASE_TABLE_HH
#define HB_OT_LAYOUT_BASE_TABLE_HH
! #include "hb-open-type-private.hh"
! #include "hb-ot-layout-common-private.hh"
! namespace OT {
! #define NOT_INDEXED ((unsigned int) -1)
/*
* BASE -- Baseline
* https://docs.microsoft.com/en-us/typography/opentype/spec/base
*/
struct BaseCoordFormat1
{
! inline int get_coord (void) const { return coordinate; }
! inline bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
! return_trace (c->check_struct (this));
}
protected:
HBUINT16 format; /* Format identifier--format = 1 */
! HBINT16 coordinate; /* X or Y value, in design units */
public:
DEFINE_SIZE_STATIC (4);
};
struct BaseCoordFormat2
{
! inline int get_coord (void) const
{
/* TODO */
return coordinate;
}
! inline bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
return_trace (c->check_struct (this));
}
protected:
HBUINT16 format; /* Format identifier--format = 2 */
! HBINT16 coordinate; /* X or Y value, in design units */
GlyphID referenceGlyph; /* Glyph ID of control glyph */
HBUINT16 coordPoint; /* Index of contour point on the
* reference glyph */
public:
DEFINE_SIZE_STATIC (8);
};
struct BaseCoordFormat3
{
! inline int get_coord (void) const
{
! /* TODO */
! return coordinate;
}
! inline bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
! return_trace (c->check_struct (this) && deviceTable.sanitize (c, this));
}
protected:
HBUINT16 format; /* Format identifier--format = 3 */
! HBINT16 coordinate; /* X or Y value, in design units */
! OffsetTo<Device> deviceTable; /* Offset to Device table for X or
* Y value, from beginning of
* BaseCoord table (may be NULL). */
public:
DEFINE_SIZE_STATIC (6);
};
struct BaseCoord
{
! inline int get_coord (void) const
{
switch (u.format) {
case 1: return u.format1.get_coord ();
case 2: return u.format2.get_coord ();
! case 3: return u.format3.get_coord ();
default:return 0;
}
}
! inline bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
! if (!u.format.sanitize (c)) return_trace (false);
switch (u.format) {
case 1: return_trace (u.format1.sanitize (c));
case 2: return_trace (u.format2.sanitize (c));
case 3: return_trace (u.format3.sanitize (c));
default:return_trace (false);
--- 27,139 ----
*/
#ifndef HB_OT_LAYOUT_BASE_TABLE_HH
#define HB_OT_LAYOUT_BASE_TABLE_HH
! #include "hb-open-type.hh"
! #include "hb-ot-layout-common.hh"
! /* To be removed */
! typedef hb_tag_t hb_ot_layout_baseline_t;
! namespace OT {
/*
* BASE -- Baseline
* https://docs.microsoft.com/en-us/typography/opentype/spec/base
*/
struct BaseCoordFormat1
{
! hb_position_t get_coord () const { return coordinate; }
! bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
! return_trace (likely (c->check_struct (this)));
}
protected:
HBUINT16 format; /* Format identifier--format = 1 */
! FWORD coordinate; /* X or Y value, in design units */
public:
DEFINE_SIZE_STATIC (4);
};
struct BaseCoordFormat2
{
! hb_position_t get_coord () const
{
/* TODO */
return coordinate;
}
! bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
return_trace (c->check_struct (this));
}
protected:
HBUINT16 format; /* Format identifier--format = 2 */
! FWORD coordinate; /* X or Y value, in design units */
GlyphID referenceGlyph; /* Glyph ID of control glyph */
HBUINT16 coordPoint; /* Index of contour point on the
* reference glyph */
public:
DEFINE_SIZE_STATIC (8);
};
struct BaseCoordFormat3
{
! hb_position_t get_coord (hb_font_t *font,
! const VariationStore &var_store,
! hb_direction_t direction) const
{
! const Device &device = this+deviceTable;
! return coordinate + (HB_DIRECTION_IS_VERTICAL (direction) ?
! device.get_y_delta (font, var_store) :
! device.get_x_delta (font, var_store));
}
!
! bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
! return_trace (likely (c->check_struct (this) &&
! deviceTable.sanitize (c, this)));
}
protected:
HBUINT16 format; /* Format identifier--format = 3 */
! FWORD coordinate; /* X or Y value, in design units */
! OffsetTo<Device>
! deviceTable; /* Offset to Device table for X or
* Y value, from beginning of
* BaseCoord table (may be NULL). */
public:
DEFINE_SIZE_STATIC (6);
};
struct BaseCoord
{
! hb_position_t get_coord (hb_font_t *font,
! const VariationStore &var_store,
! hb_direction_t direction) const
{
switch (u.format) {
case 1: return u.format1.get_coord ();
case 2: return u.format2.get_coord ();
! case 3: return u.format3.get_coord (font, var_store, direction);
default:return 0;
}
}
! bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
! if (unlikely (!u.format.sanitize (c))) return_trace (false);
switch (u.format) {
case 1: return_trace (u.format1.sanitize (c));
case 2: return_trace (u.format2.sanitize (c));
case 3: return_trace (u.format3.sanitize (c));
default:return_trace (false);
*** 140,647 ****
DEFINE_SIZE_UNION (2, format);
};
struct FeatMinMaxRecord
{
! inline int get_min_value (void) const
! { return (this+minCoord).get_coord(); }
!
! inline int get_max_value (void) const
! { return (this+maxCoord).get_coord(); }
! inline const Tag &get_tag () const
! { return tag; }
! inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
{
TRACE_SANITIZE (this);
! return_trace (c->check_struct (this) &&
! minCoord.sanitize (c, base) &&
! maxCoord.sanitize (c, base));
}
protected:
Tag tag; /* 4-byte feature identification tag--must
* match feature tag in FeatureList */
! OffsetTo<BaseCoord> minCoord; /* Offset to BaseCoord table that defines
* the minimum extent value, from beginning
* of MinMax table (may be NULL) */
! OffsetTo<BaseCoord> maxCoord; /* Offset to BaseCoord table that defines
* the maximum extent value, from beginning
* of MinMax table (may be NULL) */
public:
DEFINE_SIZE_STATIC (8);
};
struct MinMax
{
! inline unsigned int get_feature_tag_index (Tag featureTableTag) const
{
! /* TODO bsearch */
! unsigned int count = featMinMaxRecords.len;
! for (unsigned int i = 0; i < count; i++)
{
! Tag tag = featMinMaxRecords[i].get_tag();
! int cmp = tag.cmp(featureTableTag);
! if (cmp == 0) return i;
! if (cmp > 0) return NOT_INDEXED;
}
- return NOT_INDEXED;
- }
-
- inline int get_min_value (unsigned int featureTableTagIndex) const
- {
- if (featureTableTagIndex == NOT_INDEXED)
- return (this+minCoord).get_coord();
- return featMinMaxRecords[featureTableTagIndex].get_min_value();
- }
-
- inline int get_max_value (unsigned int featureTableTagIndex) const
- {
- if (featureTableTagIndex == NOT_INDEXED)
- return (this+maxCoord).get_coord();
- return featMinMaxRecords[featureTableTagIndex].get_max_value();
}
! inline bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
! return_trace (c->check_struct (this) &&
minCoord.sanitize (c, this) &&
maxCoord.sanitize (c, this) &&
! featMinMaxRecords.sanitize (c, this));
}
protected:
! OffsetTo<BaseCoord> minCoord; /* Offset to BaseCoord table that defines
* minimum extent value, from the beginning
* of MinMax table (may be NULL) */
! OffsetTo<BaseCoord> maxCoord; /* Offset to BaseCoord table that defines
* maximum extent value, from the beginning
* of MinMax table (may be NULL) */
! ArrayOf<FeatMinMaxRecord>
! featMinMaxRecords; /* Array of FeatMinMaxRecords, in alphabetical
* order by featureTableTag */
public:
DEFINE_SIZE_ARRAY (6, featMinMaxRecords);
};
! /* TODO... */
! struct BaseLangSysRecord
{
! inline const Tag& get_tag(void) const
! { return baseLangSysTag; }
!
! inline unsigned int get_feature_tag_index (Tag featureTableTag) const
! { return (this+minMax).get_feature_tag_index(featureTableTag); }
!
! inline int get_min_value (unsigned int featureTableTagIndex) const
! { return (this+minMax).get_min_value(featureTableTagIndex); }
!
! inline int get_max_value (unsigned int featureTableTagIndex) const
! { return (this+minMax).get_max_value(featureTableTagIndex); }
! inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
{
TRACE_SANITIZE (this);
! return_trace (c->check_struct (this) &&
! minMax.sanitize (c, base));
}
protected:
! Tag baseLangSysTag;
! OffsetTo<MinMax> minMax;
public:
! DEFINE_SIZE_STATIC (6);
!
};
! struct BaseValues
{
! inline unsigned int get_default_base_tag_index (void) const
! { return defaultIndex; }
!
! inline int get_base_coord (unsigned int baselineTagIndex) const
{
! return (this+baseCoords[baselineTagIndex]).get_coord();
}
! inline bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
! return_trace (c->check_struct (this) &&
! defaultIndex <= baseCoordCount &&
! baseCoords.sanitize (c, this));
}
protected:
! Index defaultIndex;
! HBUINT16 baseCoordCount;
! OffsetArrayOf<BaseCoord> baseCoords;
public:
! DEFINE_SIZE_ARRAY (6, baseCoords);
!
};
! struct BaseScript {
!
! inline unsigned int get_lang_tag_index (Tag baseLangSysTag) const
! {
! Tag tag;
! int cmp;
! for (unsigned int i = 0; i < baseLangSysCount; i++) {
! tag = baseLangSysRecords[i].get_tag();
! // taking advantage of alphabetical order
! cmp = tag.cmp(baseLangSysTag);
! if (cmp == 0) return i;
! if (cmp > 0) return NOT_INDEXED;
! }
! return NOT_INDEXED;
! }
!
! inline unsigned int get_feature_tag_index (unsigned int baseLangSysIndex, Tag featureTableTag) const
! {
! if (baseLangSysIndex == NOT_INDEXED) {
! if (unlikely(defaultMinMax)) return NOT_INDEXED;
! return (this+defaultMinMax).get_feature_tag_index(featureTableTag);
! }
! if (unlikely(baseLangSysIndex >= baseLangSysCount)) return NOT_INDEXED;
! return baseLangSysRecords[baseLangSysIndex].get_feature_tag_index(featureTableTag);
! }
!
! inline int get_min_value (unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
! {
! if (baseLangSysIndex == NOT_INDEXED)
! return (this+defaultMinMax).get_min_value(featureTableTagIndex);
! return baseLangSysRecords[baseLangSysIndex].get_max_value(featureTableTagIndex);
! }
!
! inline int get_max_value (unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
{
! if (baseLangSysIndex == NOT_INDEXED)
! return (this+defaultMinMax).get_min_value(featureTableTagIndex);
! return baseLangSysRecords[baseLangSysIndex].get_max_value(featureTableTagIndex);
}
! inline unsigned int get_default_base_tag_index (void) const
! { return (this+baseValues).get_default_base_tag_index(); }
! inline int get_base_coord (unsigned int baselineTagIndex) const
! { return (this+baseValues).get_base_coord(baselineTagIndex); }
! inline bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
! return_trace (c->check_struct (this) &&
baseValues.sanitize (c, this) &&
defaultMinMax.sanitize (c, this) &&
! baseLangSysRecords.sanitize (c, this));
}
protected:
! OffsetTo<BaseValues> baseValues;
! OffsetTo<MinMax> defaultMinMax;
! HBUINT16 baseLangSysCount;
! ArrayOf<BaseLangSysRecord> baseLangSysRecords;
public:
! DEFINE_SIZE_ARRAY (8, baseLangSysRecords);
};
! struct BaseScriptRecord {
!
! inline const Tag& get_tag (void) const
! { return baseScriptTag; }
!
! inline unsigned int get_default_base_tag_index(void) const
! { return (this+baseScript).get_default_base_tag_index(); }
!
! inline int get_base_coord(unsigned int baselineTagIndex) const
! { return (this+baseScript).get_base_coord(baselineTagIndex); }
!
! inline unsigned int get_lang_tag_index (Tag baseLangSysTag) const
! { return (this+baseScript).get_lang_tag_index(baseLangSysTag); }
!
! inline unsigned int get_feature_tag_index (unsigned int baseLangSysIndex, Tag featureTableTag) const
! { return (this+baseScript).get_feature_tag_index(baseLangSysIndex, featureTableTag); }
!
! inline int get_max_value (unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
! { return (this+baseScript).get_max_value(baseLangSysIndex, featureTableTagIndex); }
!
! inline int get_min_value (unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
! { return (this+baseScript).get_min_value(baseLangSysIndex, featureTableTagIndex); }
! inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
{
TRACE_SANITIZE (this);
! return_trace (c->check_struct (this) &&
! baseScript != Null(OffsetTo<BaseScript>) &&
! baseScript.sanitize (c, base));
}
protected:
! Tag baseScriptTag;
! OffsetTo<BaseScript> baseScript;
public:
DEFINE_SIZE_STATIC (6);
};
! struct BaseScriptList {
!
! inline unsigned int get_base_script_index (Tag baseScriptTag) const
! {
! for (unsigned int i = 0; i < baseScriptCount; i++)
! if (baseScriptRecords[i].get_tag() == baseScriptTag)
! return i;
! return NOT_INDEXED;
! }
!
! inline unsigned int get_default_base_tag_index (unsigned int baseScriptIndex) const
! {
! if (unlikely(baseScriptIndex >= baseScriptCount)) return NOT_INDEXED;
! return baseScriptRecords[baseScriptIndex].get_default_base_tag_index();
! }
!
! inline int get_base_coord(unsigned int baseScriptIndex, unsigned int baselineTagIndex) const
! {
! return baseScriptRecords[baseScriptIndex].get_base_coord(baselineTagIndex);
! }
!
! inline unsigned int get_lang_tag_index (unsigned int baseScriptIndex, Tag baseLangSysTag) const
! {
! if (unlikely(baseScriptIndex >= baseScriptCount)) return NOT_INDEXED;
! return baseScriptRecords[baseScriptIndex].get_lang_tag_index(baseLangSysTag);
! }
!
! inline unsigned int get_feature_tag_index (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, Tag featureTableTag) const
{
! if (unlikely(baseScriptIndex >= baseScriptCount)) return NOT_INDEXED;
! return baseScriptRecords[baseScriptIndex].get_feature_tag_index(baseLangSysIndex, featureTableTag);
}
! inline int get_max_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
{
! return baseScriptRecords[baseScriptIndex].get_max_value(baseLangSysIndex, featureTableTagIndex);
! }
! inline int get_min_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
! {
! return baseScriptRecords[baseScriptIndex].get_min_value(baseLangSysIndex, featureTableTagIndex);
}
! inline bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
return_trace (c->check_struct (this) &&
baseScriptRecords.sanitize (c, this));
}
protected:
! HBUINT16 baseScriptCount;
! ArrayOf<BaseScriptRecord> baseScriptRecords;
public:
! DEFINE_SIZE_ARRAY (4, baseScriptRecords);
!
! };
!
! struct BaseTagList
! {
!
! inline unsigned int get_tag_index(Tag baselineTag) const
! {
! for (unsigned int i = 0; i < baseTagCount; i++)
! if (baselineTags[i] == baselineTag)
! return i;
! return NOT_INDEXED;
! }
!
! inline bool sanitize (hb_sanitize_context_t *c) const
! {
! TRACE_SANITIZE (this);
! return_trace (c->check_struct (this));
! }
!
! protected:
! HBUINT16 baseTagCount;
! SortedArrayOf<Tag> baselineTags;
!
! public:
! DEFINE_SIZE_ARRAY (4, baselineTags);
};
struct Axis
{
!
! inline unsigned int get_base_tag_index(Tag baselineTag) const
{
! if (unlikely(baseTagList == Null(OffsetTo<BaseTagList>))) return NOT_INDEXED;
! return (this+baseTagList).get_tag_index(baselineTag);
! }
! inline unsigned int get_default_base_tag_index_for_script_index (unsigned int baseScriptIndex) const
! {
! if (unlikely(baseScriptList == Null(OffsetTo<BaseScriptList>))) return NOT_INDEXED;
! return (this+baseScriptList).get_default_base_tag_index(baseScriptIndex);
! }
!
! inline int get_base_coord(unsigned int baseScriptIndex, unsigned int baselineTagIndex) const
! {
! return (this+baseScriptList).get_base_coord(baseScriptIndex, baselineTagIndex);
! }
! inline unsigned int get_lang_tag_index (unsigned int baseScriptIndex, Tag baseLangSysTag) const
! {
! if (unlikely(baseScriptList == Null(OffsetTo<BaseScriptList>))) return NOT_INDEXED;
! return (this+baseScriptList).get_lang_tag_index(baseScriptIndex, baseLangSysTag);
}
! inline unsigned int get_feature_tag_index (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, Tag featureTableTag) const
{
! if (unlikely(baseScriptList == Null(OffsetTo<BaseScriptList>))) return NOT_INDEXED;
! return (this+baseScriptList).get_feature_tag_index(baseScriptIndex, baseLangSysIndex, featureTableTag);
! }
! inline int get_max_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
! {
! return (this+baseScriptList).get_max_value(baseScriptIndex, baseLangSysIndex, featureTableTagIndex);
! }
! inline int get_min_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
! {
! return (this+baseScriptList).get_min_value(baseScriptIndex, baseLangSysIndex, featureTableTagIndex);
}
! inline bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
! return_trace (c->check_struct (this) &&
! baseTagList.sanitize (c, this) &&
! baseScriptList.sanitize (c, this));
}
protected:
! OffsetTo<BaseTagList> baseTagList;
! OffsetTo<BaseScriptList> baseScriptList;
public:
DEFINE_SIZE_STATIC (4);
};
struct BASE
{
! static const hb_tag_t tableTag = HB_OT_TAG_BASE;
!
! inline bool has_vert_axis(void)
! { return vertAxis != Null(OffsetTo<Axis>); }
! inline bool has_horiz_axis(void)
! { return horizAxis != Null(OffsetTo<Axis>); }
! // horizontal axis base coords:
! inline unsigned int get_horiz_base_tag_index(Tag baselineTag) const
{
! if (unlikely(horizAxis == Null(OffsetTo<Axis>))) return NOT_INDEXED;
! return (this+horizAxis).get_base_tag_index(baselineTag);
! }
! inline unsigned int get_horiz_default_base_tag_index_for_script_index (unsigned int baseScriptIndex) const
! {
! if (unlikely(horizAxis == Null(OffsetTo<Axis>))) return NOT_INDEXED;
! return (this+horizAxis).get_default_base_tag_index_for_script_index(baseScriptIndex);
}
! inline int get_horiz_base_coord(unsigned int baseScriptIndex, unsigned int baselineTagIndex) const
{
! return (this+horizAxis).get_base_coord(baseScriptIndex, baselineTagIndex);
! }
!
! // vertical axis base coords:
!
! inline unsigned int get_vert_base_tag_index(Tag baselineTag) const
! {
! if (unlikely(vertAxis == Null(OffsetTo<Axis>))) return NOT_INDEXED;
! return (this+vertAxis).get_base_tag_index(baselineTag);
! }
!
! inline unsigned int get_vert_default_base_tag_index_for_script_index (unsigned int baseScriptIndex) const
! {
! if (unlikely(vertAxis == Null(OffsetTo<Axis>))) return NOT_INDEXED;
! return (this+vertAxis).get_default_base_tag_index_for_script_index(baseScriptIndex);
! }
!
! inline int get_vert_base_coord(unsigned int baseScriptIndex, unsigned int baselineTagIndex) const
! {
! return (this+vertAxis).get_base_coord(baseScriptIndex, baselineTagIndex);
! }
!
! // horizontal axis min/max coords:
!
! inline unsigned int get_horiz_lang_tag_index (unsigned int baseScriptIndex, Tag baseLangSysTag) const
! {
! if (unlikely(horizAxis == Null(OffsetTo<Axis>))) return NOT_INDEXED;
! return (this+horizAxis).get_lang_tag_index (baseScriptIndex, baseLangSysTag);
! }
!
! inline unsigned int get_horiz_feature_tag_index (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, Tag featureTableTag) const
! {
! if (unlikely(horizAxis == Null(OffsetTo<Axis>))) return NOT_INDEXED;
! return (this+horizAxis).get_feature_tag_index (baseScriptIndex, baseLangSysIndex, featureTableTag);
! }
! inline int get_horiz_max_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
! {
! return (this+horizAxis).get_max_value (baseScriptIndex, baseLangSysIndex, featureTableTagIndex);
! }
!
! inline int get_horiz_min_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
! {
! return (this+horizAxis).get_min_value (baseScriptIndex, baseLangSysIndex, featureTableTagIndex);
! }
!
! // vertical axis min/max coords:
!
! inline unsigned int get_vert_lang_tag_index (unsigned int baseScriptIndex, Tag baseLangSysTag) const
! {
! if (unlikely(vertAxis == Null(OffsetTo<Axis>))) return NOT_INDEXED;
! return (this+vertAxis).get_lang_tag_index (baseScriptIndex, baseLangSysTag);
! }
!
! inline unsigned int get_vert_feature_tag_index (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, Tag featureTableTag) const
! {
! if (unlikely(vertAxis == Null(OffsetTo<Axis>))) return NOT_INDEXED;
! return (this+vertAxis).get_feature_tag_index (baseScriptIndex, baseLangSysIndex, featureTableTag);
! }
!
! inline int get_vert_max_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
! {
! return (this+vertAxis).get_max_value (baseScriptIndex, baseLangSysIndex, featureTableTagIndex);
}
! inline int get_vert_min_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
! {
! return (this+vertAxis).get_min_value (baseScriptIndex, baseLangSysIndex, featureTableTagIndex);
! }
!
! inline bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
! return_trace (c->check_struct (this) &&
likely (version.major == 1) &&
! horizAxis.sanitize (c, this) &&
! vertAxis.sanitize (c, this) &&
! (version.to_int () < 0x00010001u || varStore.sanitize (c, this)));
}
protected:
! FixedVersion<> version;
! OffsetTo<Axis> horizAxis;
! OffsetTo<Axis> vertAxis;
LOffsetTo<VariationStore>
varStore; /* Offset to the table of Item Variation
* Store--from beginning of BASE
* header (may be NULL). Introduced
* in version 0x00010001. */
--- 151,532 ----
DEFINE_SIZE_UNION (2, format);
};
struct FeatMinMaxRecord
{
! static int cmp (const void *key_, const void *entry_)
! {
! hb_tag_t key = * (hb_tag_t *) key_;
! const FeatMinMaxRecord &entry = * (const FeatMinMaxRecord *) entry_;
! return key < (unsigned int) entry.tag ? -1 :
! key > (unsigned int) entry.tag ? 1 :
! 0;
! }
! void get_min_max (const BaseCoord **min, const BaseCoord **max) const
! {
! if (likely (min)) *min = &(this+minCoord);
! if (likely (max)) *max = &(this+maxCoord);
! }
! bool sanitize (hb_sanitize_context_t *c, const void *base) const
{
TRACE_SANITIZE (this);
! return_trace (likely (c->check_struct (this) &&
! minCoord.sanitize (c, this) &&
! maxCoord.sanitize (c, this)));
}
protected:
Tag tag; /* 4-byte feature identification tag--must
* match feature tag in FeatureList */
! OffsetTo<BaseCoord>
! minCoord; /* Offset to BaseCoord table that defines
* the minimum extent value, from beginning
* of MinMax table (may be NULL) */
! OffsetTo<BaseCoord>
! maxCoord; /* Offset to BaseCoord table that defines
* the maximum extent value, from beginning
* of MinMax table (may be NULL) */
public:
DEFINE_SIZE_STATIC (8);
};
struct MinMax
{
! void get_min_max (hb_tag_t feature_tag,
! const BaseCoord **min,
! const BaseCoord **max) const
{
! /* TODO Replace hb_bsearch() with .bsearch(). */
! const FeatMinMaxRecord *minMaxCoord = (const FeatMinMaxRecord *)
! hb_bsearch (&feature_tag, featMinMaxRecords.arrayZ,
! featMinMaxRecords.len,
! FeatMinMaxRecord::static_size,
! FeatMinMaxRecord::cmp);
! if (minMaxCoord)
! minMaxCoord->get_min_max (min, max);
! else
{
! if (likely (min)) *min = &(this+minCoord);
! if (likely (max)) *max = &(this+maxCoord);
}
}
! bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
! return_trace (likely (c->check_struct (this) &&
minCoord.sanitize (c, this) &&
maxCoord.sanitize (c, this) &&
! featMinMaxRecords.sanitize (c, this)));
}
protected:
! OffsetTo<BaseCoord>
! minCoord; /* Offset to BaseCoord table that defines
* minimum extent value, from the beginning
* of MinMax table (may be NULL) */
! OffsetTo<BaseCoord>
! maxCoord; /* Offset to BaseCoord table that defines
* maximum extent value, from the beginning
* of MinMax table (may be NULL) */
! SortedArrayOf<FeatMinMaxRecord>
! featMinMaxRecords;
! /* Array of FeatMinMaxRecords, in alphabetical
* order by featureTableTag */
public:
DEFINE_SIZE_ARRAY (6, featMinMaxRecords);
};
! struct BaseValues
{
! const BaseCoord &get_base_coord (int baseline_tag_index) const
! {
! if (baseline_tag_index == -1) baseline_tag_index = defaultIndex;
! return this+baseCoords[baseline_tag_index];
! }
! bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
! return_trace (likely (c->check_struct (this) &&
! baseCoords.sanitize (c, this)));
}
protected:
! Index defaultIndex; /* Index number of default baseline for this
! * script — equals index position of baseline tag
! * in baselineTags array of the BaseTagList */
! OffsetArrayOf<BaseCoord>
! baseCoords; /* Number of BaseCoord tables defined — should equal
! * baseTagCount in the BaseTagList
! *
! * Array of offsets to BaseCoord tables, from beginning of
! * BaseValues table — order matches baselineTags array in
! * the BaseTagList */
public:
! DEFINE_SIZE_ARRAY (4, baseCoords);
};
! struct BaseLangSysRecord
{
! static int cmp (const void *key_, const void *entry_)
{
! hb_tag_t key = * (hb_tag_t *) key_;
! const BaseLangSysRecord &entry = * (const BaseLangSysRecord *) entry_;
! return key < (unsigned int) entry.baseLangSysTag ? -1 :
! key > (unsigned int) entry.baseLangSysTag ? 1 :
! 0;
}
! const MinMax &get_min_max () const
! { return this+minMax; }
!
! bool sanitize (hb_sanitize_context_t *c, const void *base) const
{
TRACE_SANITIZE (this);
! return_trace (likely (c->check_struct (this) &&
! minMax.sanitize (c, this)));
}
protected:
! Tag baseLangSysTag; /* 4-byte language system identification tag */
! OffsetTo<MinMax>
! minMax; /* Offset to MinMax table, from beginning
! * of BaseScript table */
public:
! DEFINE_SIZE_STATIC (6);
};
! struct BaseScript
! {
! const MinMax &get_min_max (hb_tag_t language_tag) const
{
! /* TODO Replace hb_bsearch() with .bsearch(). */
! const BaseLangSysRecord* record = (const BaseLangSysRecord *)
! hb_bsearch (&language_tag, baseLangSysRecords.arrayZ,
! baseLangSysRecords.len,
! BaseLangSysRecord::static_size,
! BaseLangSysRecord::cmp);
! return record ? record->get_min_max () : this+defaultMinMax;
}
! const BaseCoord &get_base_coord (int baseline_tag_index) const
! { return (this+baseValues).get_base_coord (baseline_tag_index); }
! bool is_empty () const { return !baseValues; }
! bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
! return_trace (likely (c->check_struct (this) &&
baseValues.sanitize (c, this) &&
defaultMinMax.sanitize (c, this) &&
! baseLangSysRecords.sanitize (c, this)));
}
protected:
! OffsetTo<BaseValues>
! baseValues; /* Offset to BaseValues table, from beginning
! * of BaseScript table (may be NULL) */
! OffsetTo<MinMax>
! defaultMinMax; /* Offset to MinMax table, from beginning of
! * BaseScript table (may be NULL) */
! SortedArrayOf<BaseLangSysRecord>
! baseLangSysRecords;
! /* Number of BaseLangSysRecords
! * defined — may be zero (0) */
public:
! DEFINE_SIZE_ARRAY (6, baseLangSysRecords);
};
+ struct BaseScriptList;
+ struct BaseScriptRecord
+ {
+ static int cmp (const void *key_, const void *entry_)
+ {
+ hb_tag_t key = * (hb_tag_t *) key_;
+ const BaseScriptRecord &entry = * (const BaseScriptRecord *) entry_;
+ return key < (unsigned int) entry.baseScriptTag ? -1 :
+ key > (unsigned int) entry.baseScriptTag ? 1 :
+ 0;
+ }
! const BaseScript &get_base_script (const BaseScriptList *list) const
! { return list+baseScript; }
! bool sanitize (hb_sanitize_context_t *c, const void *base) const
{
TRACE_SANITIZE (this);
! return_trace (likely (c->check_struct (this) &&
! baseScript.sanitize (c, base)));
}
protected:
! Tag baseScriptTag; /* 4-byte script identification tag */
! OffsetTo<BaseScript>
! baseScript; /* Offset to BaseScript table, from beginning
! * of BaseScriptList */
public:
DEFINE_SIZE_STATIC (6);
};
! struct BaseScriptList
! {
! const BaseScriptRecord *find_record (hb_tag_t script) const
{
! /* TODO Replace hb_bsearch() with .bsearch(). */
! return (const BaseScriptRecord *) hb_bsearch (&script, baseScriptRecords.arrayZ,
! baseScriptRecords.len,
! BaseScriptRecord::static_size,
! BaseScriptRecord::cmp);
}
! /* TODO: Or client should handle fallback? */
! const BaseScript &get_base_script (hb_tag_t script) const
{
! const BaseScriptRecord *record = find_record (script);
! if (!record) record = find_record ((hb_script_t) HB_TAG ('D','F','L','T'));
! return record ? record->get_base_script (this) : Null (BaseScript);
}
! bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
return_trace (c->check_struct (this) &&
baseScriptRecords.sanitize (c, this));
}
protected:
! SortedArrayOf<BaseScriptRecord>
! baseScriptRecords;
public:
! DEFINE_SIZE_ARRAY (2, baseScriptRecords);
};
struct Axis
{
! bool get_baseline (hb_ot_layout_baseline_t baseline,
! hb_tag_t script_tag,
! hb_tag_t language_tag,
! const BaseCoord **coord) const
{
! const BaseScript &base_script = (this+baseScriptList).get_base_script (script_tag);
! if (base_script.is_empty ()) return false;
! if (likely (coord)) *coord = &base_script.get_base_coord ((this+baseTagList).bsearch (baseline));
! return true;
}
! bool get_min_max (hb_tag_t script_tag,
! hb_tag_t language_tag,
! hb_tag_t feature_tag,
! const BaseCoord **min_coord,
! const BaseCoord **max_coord) const
{
! const BaseScript &base_script = (this+baseScriptList).get_base_script (script_tag);
! if (base_script.is_empty ()) return false;
! base_script.get_min_max (language_tag).get_min_max (feature_tag, min_coord, max_coord);
! return true;
}
! bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
! return_trace (likely (c->check_struct (this) &&
! (this+baseTagList).sanitize (c) &&
! (this+baseScriptList).sanitize (c)));
}
protected:
! OffsetTo<SortedArrayOf<Tag> >
! baseTagList; /* Offset to BaseTagList table, from beginning
! * of Axis table (may be NULL)
! * Array of 4-byte baseline identification tags — must
! * be in alphabetical order */
! OffsetTo<BaseScriptList>
! baseScriptList; /* Offset to BaseScriptList table, from beginning
! * of Axis table
! * Array of BaseScriptRecords, in alphabetical order
! * by baseScriptTag */
public:
DEFINE_SIZE_STATIC (4);
};
struct BASE
{
! static constexpr hb_tag_t tableTag = HB_OT_TAG_BASE;
! const Axis &get_axis (hb_direction_t direction) const
! { return HB_DIRECTION_IS_VERTICAL (direction) ? this+vAxis : this+hAxis; }
! const VariationStore &get_var_store () const
! { return version.to_int () < 0x00010001u ? Null (VariationStore) : this+varStore; }
! bool get_baseline (hb_font_t *font,
! hb_ot_layout_baseline_t baseline,
! hb_direction_t direction,
! hb_tag_t script_tag,
! hb_tag_t language_tag,
! hb_position_t *base) const
{
! const BaseCoord *base_coord;
! if (!get_axis (direction).get_baseline (baseline, script_tag, language_tag, &base_coord))
! return false;
! if (likely (base && base_coord)) *base = base_coord->get_coord (font,
! get_var_store (),
! direction);
! return true;
}
! /* TODO: Expose this separately sometime? */
! bool get_min_max (hb_font_t *font,
! hb_direction_t direction,
! hb_tag_t script_tag,
! hb_tag_t language_tag,
! hb_tag_t feature_tag,
! hb_position_t *min,
! hb_position_t *max)
{
! const BaseCoord *min_coord, *max_coord;
! if (!get_axis (direction).get_min_max (script_tag, language_tag, feature_tag,
! &min_coord, &max_coord))
! return false;
! const VariationStore &var_store = get_var_store ();
! if (likely (min && min_coord)) *min = min_coord->get_coord (font, var_store, direction);
! if (likely (max && max_coord)) *max = max_coord->get_coord (font, var_store, direction);
! return true;
}
! bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
! return_trace (likely (c->check_struct (this) &&
likely (version.major == 1) &&
! hAxis.sanitize (c, this) &&
! vAxis.sanitize (c, this) &&
! (version.to_int () < 0x00010001u || varStore.sanitize (c, this))));
}
protected:
! FixedVersion<>version; /* Version of the BASE table */
! OffsetTo<Axis>hAxis; /* Offset to horizontal Axis table, from beginning
! * of BASE table (may be NULL) */
! OffsetTo<Axis>vAxis; /* Offset to vertical Axis table, from beginning
! * of BASE table (may be NULL) */
LOffsetTo<VariationStore>
varStore; /* Offset to the table of Item Variation
* Store--from beginning of BASE
* header (may be NULL). Introduced
* in version 0x00010001. */
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