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[BASE] Minor

This commit is contained in:
Behdad Esfahbod 2018-02-25 16:32:17 -08:00
parent 05699fd996
commit 551fa2d200
5 changed files with 105 additions and 92 deletions
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1
src/Makefile.sources
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@ -87,7 +87,6 @@ HB_OT_sources = \
hb-aat-layout-kerx-table.hh \
hb-aat-layout-trak-table.hh \
hb-aat-layout-private.hh \
hb-ot-base.cc \
hb-ot-font.cc \
hb-ot-layout.cc \
hb-ot-layout-base-table.hh \

58
src/hb-ot-base.cc
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@ -1,58 +0,0 @@
/*
* Copyright © 2017 Elie Roux<elie.roux@telecom-bretagne.eu>
*
* 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.
*
*/
#include "hb-open-type-private.hh"
#include "hb-ot-layout-private.hh"
#include "hb-ot-layout-base-table.hh"
static inline const OT::BASE&
_get_base (hb_face_t *face)
{
if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return OT::Null(OT::BASE);
hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
return *(layout->base.get ());
}
/*
* OT::BASE
*/
/**
* hb_ot_base_has_data:
* @face: #hb_face_t to test
*
* This function allows to verify the presence of an OpenType BASE table on the
* face.
*
* Return value: true if face has a BASE table, false otherwise
*
* Since: XXX
**/
hb_bool_t
hb_ot_base_has_data (hb_face_t *face)
{
return &_get_base (face) != &OT::Null(OT::BASE);
}

103
src/hb-ot-layout-base-table.hh
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@ -221,40 +221,39 @@ struct MinMax {
};
struct BaseLangSysRecord {
struct BaseLangSysRecord
{
inline Tag get_tag(void) const
{ return baseLangSysTag; }
inline unsigned int get_feature_tag_index (Tag featureTableTag) const
{ (this+minMax).get_feature_tag_index(featureTableTag); }
{ return (this+minMax).get_feature_tag_index(featureTableTag); }
inline HBINT16 get_min_value (unsigned int featureTableTagIndex) const
{ (this+minMax).get_min_value(featureTableTagIndex); }
{ return (this+minMax).get_min_value(featureTableTagIndex); }
inline HBINT16 get_max_value (unsigned int featureTableTagIndex) const
{ (this+minMax).get_max_value(featureTableTagIndex); }
{ 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 != Null(OffsetTo<MinMax>) &&
minMax.sanitize (c, base));
minMax != Null(OffsetTo<MinMax>) &&
minMax.sanitize (c, base));
}
protected:
Tag baseLangSysTag;
OffsetTo<MinMax> minMax; // not supposed to be NULL
Tag baseLangSysTag;
OffsetTo<MinMax> minMax;
public:
DEFINE_SIZE_STATIC (6);
DEFINE_SIZE_STATIC (6);
};
struct BaseValues {
inline const unsigned int get_default_base_tag_index (void) const
struct BaseValues
{
inline unsigned int get_default_base_tag_index (void) const
{ return defaultIndex; }
inline HBINT16 get_base_coord (unsigned int baselineTagIndex) const
@ -272,10 +271,9 @@ struct BaseValues {
}
protected:
Index defaultIndex;
HBUINT16 baseCoordCount;
OffsetArrayOf<BaseCoord> baseCoords;
Index defaultIndex;
HBUINT16 baseCoordCount;
OffsetArrayOf<BaseCoord> baseCoords;
public:
DEFINE_SIZE_ARRAY (6, baseCoords);
@ -711,26 +709,66 @@ struct BASE
inline unsigned int get_horiz_lang_tag_index (unsigned int baseScriptIndex, Tag baseLangSysTag) const
{ return u.format1_0.get_horiz_lang_tag_index(baseScriptIndex, baseLangSysTag); }
inline unsigned int get_horiz_feature_tag_index (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, Tag featureTableTag) const
{ return u.format1_0.get_horiz_feature_tag_index(baseScriptIndex, baseLangSysIndex, featureTableTag); }
inline unsigned int get_horiz_feature_tag_index (unsigned int baseScriptIndex,
unsigned int baseLangSysIndex,
Tag featureTableTag) const
{
return u.format1_0.get_horiz_feature_tag_index (baseScriptIndex,
baseLangSysIndex,
featureTableTag);
}
inline HBINT16 get_horiz_max_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
{ return u.format1_0.get_horiz_max_value(baseScriptIndex, baseLangSysIndex, featureTableTagIndex); }
inline HBINT16 get_horiz_max_value (unsigned int baseScriptIndex,
unsigned int baseLangSysIndex,
unsigned int featureTableTagIndex) const
{
return u.format1_0.get_horiz_max_value (baseScriptIndex,
baseLangSysIndex,
featureTableTagIndex);
}
inline HBINT16 get_horiz_min_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
{ return u.format1_0.get_horiz_min_value(baseScriptIndex, baseLangSysIndex, featureTableTagIndex); }
inline HBINT16 get_horiz_min_value (unsigned int baseScriptIndex,
unsigned int baseLangSysIndex,
unsigned int featureTableTagIndex) const
{
return u.format1_0.get_horiz_min_value (baseScriptIndex,
baseLangSysIndex,
featureTableTagIndex);
}
inline unsigned int get_vert_lang_tag_index (unsigned int baseScriptIndex, Tag baseLangSysTag) const
{ return u.format1_0.get_vert_lang_tag_index(baseScriptIndex, baseLangSysTag); }
inline unsigned int get_vert_lang_tag_index (unsigned int baseScriptIndex,
Tag baseLangSysTag) const
{
return u.format1_0.get_vert_lang_tag_index (baseScriptIndex,
baseLangSysTag);
}
inline unsigned int get_vert_feature_tag_index (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, Tag featureTableTag) const
{ return u.format1_0.get_vert_feature_tag_index(baseScriptIndex, baseLangSysIndex, featureTableTag); }
inline unsigned int get_vert_feature_tag_index (unsigned int baseScriptIndex,
unsigned int baseLangSysIndex,
Tag featureTableTag) const
{
return u.format1_0.get_vert_feature_tag_index (baseScriptIndex,
baseLangSysIndex,
featureTableTag);
}
inline HBINT16 get_vert_max_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
{ return u.format1_0.get_vert_max_value(baseScriptIndex, baseLangSysIndex, featureTableTagIndex); }
inline HBINT16 get_vert_max_value (unsigned int baseScriptIndex,
unsigned int baseLangSysIndex,
unsigned int featureTableTagIndex) const
{
return u.format1_0.get_vert_max_value (baseScriptIndex,
baseLangSysIndex,
featureTableTagIndex);
}
inline HBINT16 get_vert_min_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
{ return u.format1_0.get_vert_min_value(baseScriptIndex, baseLangSysIndex, featureTableTagIndex); }
inline HBINT16 get_vert_min_value (unsigned int baseScriptIndex,
unsigned int baseLangSysIndex,
unsigned int featureTableTagIndex) const
{
return u.format1_0.get_vert_min_value (baseScriptIndex,
baseLangSysIndex,
featureTableTagIndex);
}
inline bool sanitize (hb_sanitize_context_t *c) const
{
@ -750,7 +788,6 @@ struct BASE
BASEFormat1_0 format1_0;
BASEFormat1_1 format1_1;
} u;
public:
DEFINE_SIZE_UNION (4, version);
};

34
src/hb-ot-layout.cc
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@ -222,6 +222,14 @@ _hb_ot_layout_destroy (hb_ot_layout_t *layout)
free (layout);
}
static inline const OT::BASE&
_get_base (hb_face_t *face)
{
if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return OT::Null(OT::BASE);
hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
return *(layout->base.get ());
}
static inline const OT::GDEF&
_get_gdef (hb_face_t *face)
{
@ -1267,3 +1275,29 @@ hb_ot_layout_substitute_lookup (OT::hb_ot_apply_context_t *c,
{
apply_string<GSUBProxy> (c, lookup, accel);
}
/*
* OT::BASE
*/
#if 0
/**
* hb_ot_base_has_data:
* @face: #hb_face_t to test
*
* This function allows to verify the presence of an OpenType BASE table on the
* face.
*
* Return value: true if face has a BASE table, false otherwise
*
* Since: XXX
**/
hb_bool_t
hb_ot_base_has_data (hb_face_t *face)
{
return &_get_base (face) != &OT::Null(OT::BASE);
}
#endif

1
src/hb-ot-layout.h
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@ -38,6 +38,7 @@
HB_BEGIN_DECLS
#define HB_OT_TAG_BASE HB_TAG('B','A','S','E')
#define HB_OT_TAG_GDEF HB_TAG('G','D','E','F')
#define HB_OT_TAG_GSUB HB_TAG('G','S','U','B')
#define HB_OT_TAG_GPOS HB_TAG('G','P','O','S')