[BASE] Clean up first 29%
This commit is contained in:
Behdad Esfahbod
parent
f110c0c886
commit
7a70c20fec
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@ -1,5 +1,6 @@
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/*
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* Copyright © 2016 Elie Roux <elie.roux@telecom-bretagne.eu>
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* Copyright © 2018 Google, Inc.
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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@ -21,6 +22,7 @@
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Google Author(s): Behdad Esfahbod
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*/
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#ifndef HB_OT_LAYOUT_BASE_TABLE_HH
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@ -32,18 +34,15 @@
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namespace OT {
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#define NO_COORD Null(HBINT16)//HBINT16((short int) -32767)
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#define NOT_INDEXED ((unsigned int) -1)
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/*
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* BASE -- The BASE Table
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*/
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struct BaseCoordFormat1 {
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inline HBINT16 get_coord (void) const
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{ return coordinate; }
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struct BaseCoordFormat1
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{
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inline int get_coord (void) const { return coordinate; }
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inline bool sanitize (hb_sanitize_context_t *c) const
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{
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@ -52,17 +51,19 @@ struct BaseCoordFormat1 {
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}
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protected:
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HBUINT16 baseCoordFormat;
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HBINT16 coordinate;
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HBUINT16 format; /* Format identifier--format = 1 */
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HBINT16 coordinate; /* X or Y value, in design units */
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public:
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DEFINE_SIZE_STATIC (4);
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};
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struct BaseCoordFormat2 {
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inline HBINT16 get_coord (void) const
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{ return coordinate; }
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struct BaseCoordFormat2
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{
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inline int get_coord (void) const
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{
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/* TODO */
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return coordinate;
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}
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inline bool sanitize (hb_sanitize_context_t *c) const
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{
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@ -71,19 +72,22 @@ struct BaseCoordFormat2 {
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}
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protected:
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HBUINT16 baseCoordFormat;
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HBINT16 coordinate;
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HBUINT16 referenceGlyph;
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HBUINT16 baseCoordPoint;
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HBUINT16 format; /* Format identifier--format = 2 */
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HBINT16 coordinate; /* X or Y value, in design units */
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GlyphID referenceGlyph; /* Glyph ID of control glyph */
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HBUINT16 coordPoint; /* Index of contour point on the
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* reference glyph */
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public:
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DEFINE_SIZE_STATIC (8);
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};
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struct BaseCoordFormat3 {
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inline HBINT16 get_coord (void) const
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{ return coordinate; }
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struct BaseCoordFormat3
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{
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inline int get_coord (void) const
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{
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/* TODO */
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return coordinate;
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}
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inline bool sanitize (hb_sanitize_context_t *c) const
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{
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@ -92,24 +96,32 @@ struct BaseCoordFormat3 {
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}
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protected:
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HBUINT16 baseCoordFormat;
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HBINT16 coordinate;
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OffsetTo<Device> deviceTable;
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HBUINT16 format; /* Format identifier--format = 3 */
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HBINT16 coordinate; /* X or Y value, in design units */
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OffsetTo<Device> deviceTable; /* Offset to Device table for X or
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* Y value, from beginning of
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* BaseCoord table (may be NULL). */
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public:
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DEFINE_SIZE_STATIC (6);
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};
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struct BaseCoord {
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inline HBINT16 get_coord (void) const
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{ return u.format1.get_coord(); }
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struct BaseCoord
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{
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inline int get_coord (void) const
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{
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switch (u.format) {
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case 1: return u.format1.get_coord ();
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case 2: return u.format2.get_coord ();
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case 3: return u.format3.get_coord ();
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default:return 0;
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}
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}
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inline bool sanitize (hb_sanitize_context_t *c) const
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{
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TRACE_SANITIZE (this);
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if (!u.baseCoordFormat.sanitize (c)) return_trace (false);
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switch (u.baseCoordFormat) {
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if (!u.format.sanitize (c)) return_trace (false);
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switch (u.format) {
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case 1: return_trace (u.format1.sanitize (c));
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case 2: return_trace (u.format2.sanitize (c));
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case 3: return_trace (u.format3.sanitize (c));
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@ -119,32 +131,25 @@ struct BaseCoord {
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protected:
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union {
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HBUINT16 baseCoordFormat;
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HBUINT16 format;
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BaseCoordFormat1 format1;
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BaseCoordFormat2 format2;
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BaseCoordFormat3 format3;
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} u;
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public:
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DEFINE_SIZE_MIN (4);
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DEFINE_SIZE_UNION (2, format);
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};
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struct FeatMinMaxRecord {
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inline HBINT16 get_min_value (void) const
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struct FeatMinMaxRecord
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{
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if (minCoord == Null(OffsetTo<BaseCoord>)) return NO_COORD;
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return (this+minCoord).get_coord();
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}
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inline int get_min_value (void) const
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{ return (this+minCoord).get_coord(); }
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inline HBINT16 get_max_value (void) const
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{
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if (minCoord == Null(OffsetTo<BaseCoord>)) return NO_COORD;
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return (this+maxCoord).get_coord();
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}
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inline int get_max_value (void) const
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{ return (this+maxCoord).get_coord(); }
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inline Tag get_tag () const
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{ return featureTableTag; }
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inline const Tag &get_tag () const
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{ return tag; }
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inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
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{
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@ -155,48 +160,46 @@ struct FeatMinMaxRecord {
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}
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protected:
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Tag featureTableTag;
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OffsetTo<BaseCoord> minCoord;
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OffsetTo<BaseCoord> maxCoord;
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Tag tag; /* 4-byte feature identification tag--must
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* match feature tag in FeatureList */
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OffsetTo<BaseCoord> minCoord; /* Offset to BaseCoord table that defines
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* the minimum extent value, from beginning
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* of MinMax table (may be NULL) */
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OffsetTo<BaseCoord> maxCoord; /* Offset to BaseCoord table that defines
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* the maximum extent value, from beginning
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* of MinMax table (may be NULL) */
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public:
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DEFINE_SIZE_STATIC (8);
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};
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struct MinMax {
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struct MinMax
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{
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inline unsigned int get_feature_tag_index (Tag featureTableTag) const
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{
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Tag tag;
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int cmp;
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// taking advantage of alphabetical order
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for (unsigned int i = 0; i < featMinMaxCount; i++) {
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tag = featMinMaxRecords[i].get_tag();
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cmp = tag.cmp(featureTableTag);
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/* TODO bsearch */
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unsigned int count = featMinMaxRecords.len;
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for (unsigned int i = 0; i < count; i++)
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{
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Tag tag = featMinMaxRecords[i].get_tag();
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int cmp = tag.cmp(featureTableTag);
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if (cmp == 0) return i;
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if (cmp > 0) return NOT_INDEXED;
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}
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return NOT_INDEXED;
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}
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inline HBINT16 get_min_value (unsigned int featureTableTagIndex) const
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inline int get_min_value (unsigned int featureTableTagIndex) const
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{
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if (featureTableTagIndex == NOT_INDEXED) {
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if (minCoord == Null(OffsetTo<BaseCoord>)) return NO_COORD;
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if (featureTableTagIndex == NOT_INDEXED)
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return (this+minCoord).get_coord();
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}
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if (unlikely(featureTableTagIndex >= featMinMaxCount)) return NO_COORD;
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return featMinMaxRecords[featureTableTagIndex].get_min_value();
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}
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inline HBINT16 get_max_value (unsigned int featureTableTagIndex) const
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inline int get_max_value (unsigned int featureTableTagIndex) const
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{
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if (featureTableTagIndex == NOT_INDEXED) {
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if (minCoord == Null(OffsetTo<BaseCoord>)) return NO_COORD;
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if (featureTableTagIndex == NOT_INDEXED)
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return (this+maxCoord).get_coord();
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}
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if (unlikely(featureTableTagIndex >= featMinMaxCount)) return NO_COORD;
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return featMinMaxRecords[featureTableTagIndex].get_max_value();
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}
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@ -207,39 +210,41 @@ struct MinMax {
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minCoord.sanitize (c, this) &&
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maxCoord.sanitize (c, this) &&
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featMinMaxRecords.sanitize (c, this));
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// TODO: test alphabetical order?
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}
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protected:
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OffsetTo<BaseCoord> minCoord;
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OffsetTo<BaseCoord> maxCoord;
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HBUINT16 featMinMaxCount;
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ArrayOf<FeatMinMaxRecord> featMinMaxRecords;
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OffsetTo<BaseCoord> minCoord; /* Offset to BaseCoord table that defines
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* minimum extent value, from the beginning
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* of MinMax table (may be NULL) */
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OffsetTo<BaseCoord> maxCoord; /* Offset to BaseCoord table that defines
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* maximum extent value, from the beginning
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* of MinMax table (may be NULL) */
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ArrayOf<FeatMinMaxRecord>
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featMinMaxRecords; /* Array of FeatMinMaxRecords, in alphabetical
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* order by featureTableTag */
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public:
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DEFINE_SIZE_ARRAY (8, featMinMaxRecords);
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DEFINE_SIZE_ARRAY (6, featMinMaxRecords);
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};
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/* TODO... */
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struct BaseLangSysRecord
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{
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inline Tag get_tag(void) const
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inline const Tag& get_tag(void) const
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{ return baseLangSysTag; }
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inline unsigned int get_feature_tag_index (Tag featureTableTag) const
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{ return (this+minMax).get_feature_tag_index(featureTableTag); }
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inline HBINT16 get_min_value (unsigned int featureTableTagIndex) const
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inline int get_min_value (unsigned int featureTableTagIndex) const
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{ return (this+minMax).get_min_value(featureTableTagIndex); }
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inline HBINT16 get_max_value (unsigned int featureTableTagIndex) const
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inline int get_max_value (unsigned int featureTableTagIndex) const
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{ return (this+minMax).get_max_value(featureTableTagIndex); }
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inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
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{
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TRACE_SANITIZE (this);
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return_trace (c->check_struct (this) &&
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minMax != Null(OffsetTo<MinMax>) &&
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minMax.sanitize (c, base));
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}
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@ -256,9 +261,8 @@ struct BaseValues
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inline unsigned int get_default_base_tag_index (void) const
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{ return defaultIndex; }
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inline HBINT16 get_base_coord (unsigned int baselineTagIndex) const
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inline int get_base_coord (unsigned int baselineTagIndex) const
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{
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if (unlikely(baselineTagIndex >= baseCoordCount)) return NO_COORD;
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return (this+baseCoords[baselineTagIndex]).get_coord();
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}
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@ -305,30 +309,24 @@ struct BaseScript {
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return baseLangSysRecords[baseLangSysIndex].get_feature_tag_index(featureTableTag);
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}
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inline HBINT16 get_min_value (unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
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inline int get_min_value (unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
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{
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if (baseLangSysIndex == NOT_INDEXED) {
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if (unlikely(defaultMinMax == Null(OffsetTo<MinMax>))) return NO_COORD;
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if (baseLangSysIndex == NOT_INDEXED)
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return (this+defaultMinMax).get_min_value(featureTableTagIndex);
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}
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if (unlikely(baseLangSysIndex >= baseLangSysCount)) return NO_COORD;
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return baseLangSysRecords[baseLangSysIndex].get_max_value(featureTableTagIndex);
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}
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inline HBINT16 get_max_value (unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
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inline int get_max_value (unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
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{
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if (baseLangSysIndex == NOT_INDEXED) {
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if (unlikely(defaultMinMax == Null(OffsetTo<MinMax>))) return NO_COORD;
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if (baseLangSysIndex == NOT_INDEXED)
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return (this+defaultMinMax).get_min_value(featureTableTagIndex);
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}
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if (unlikely(baseLangSysIndex >= baseLangSysCount)) return NO_COORD;
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return baseLangSysRecords[baseLangSysIndex].get_max_value(featureTableTagIndex);
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}
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inline unsigned int get_default_base_tag_index (void) const
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{ return (this+baseValues).get_default_base_tag_index(); }
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inline HBINT16 get_base_coord (unsigned int baselineTagIndex) const
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inline int get_base_coord (unsigned int baselineTagIndex) const
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{ return (this+baseValues).get_base_coord(baselineTagIndex); }
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inline bool sanitize (hb_sanitize_context_t *c) const
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@ -353,13 +351,13 @@ struct BaseScript {
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struct BaseScriptRecord {
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inline bool get_tag (void) const
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inline const Tag& get_tag (void) const
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{ return baseScriptTag; }
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inline unsigned int get_default_base_tag_index(void) const
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{ return (this+baseScript).get_default_base_tag_index(); }
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inline HBINT16 get_base_coord(unsigned int baselineTagIndex) const
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inline int get_base_coord(unsigned int baselineTagIndex) const
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{ return (this+baseScript).get_base_coord(baselineTagIndex); }
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inline unsigned int get_lang_tag_index (Tag baseLangSysTag) const
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@ -368,10 +366,10 @@ struct BaseScriptRecord {
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inline unsigned int get_feature_tag_index (unsigned int baseLangSysIndex, Tag featureTableTag) const
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{ return (this+baseScript).get_feature_tag_index(baseLangSysIndex, featureTableTag); }
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inline HBINT16 get_max_value (unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
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inline int get_max_value (unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
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{ return (this+baseScript).get_max_value(baseLangSysIndex, featureTableTagIndex); }
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inline HBINT16 get_min_value (unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
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inline int get_min_value (unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
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{ return (this+baseScript).get_min_value(baseLangSysIndex, featureTableTagIndex); }
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inline bool sanitize (hb_sanitize_context_t *c, const void *base) const
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@ -406,9 +404,8 @@ struct BaseScriptList {
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return baseScriptRecords[baseScriptIndex].get_default_base_tag_index();
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}
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inline HBINT16 get_base_coord(unsigned int baseScriptIndex, unsigned int baselineTagIndex) const
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inline int get_base_coord(unsigned int baseScriptIndex, unsigned int baselineTagIndex) const
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{
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if (unlikely(baseScriptIndex >= baseScriptCount)) return NO_COORD;
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return baseScriptRecords[baseScriptIndex].get_base_coord(baselineTagIndex);
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}
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@ -424,15 +421,13 @@ struct BaseScriptList {
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return baseScriptRecords[baseScriptIndex].get_feature_tag_index(baseLangSysIndex, featureTableTag);
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}
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inline HBINT16 get_max_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
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inline int get_max_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
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{
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if (unlikely(baseScriptIndex >= baseScriptCount)) return NO_COORD;
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return baseScriptRecords[baseScriptIndex].get_max_value(baseLangSysIndex, featureTableTagIndex);
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}
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inline HBINT16 get_min_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
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inline int get_min_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
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{
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if (unlikely(baseScriptIndex >= baseScriptCount)) return NO_COORD;
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return baseScriptRecords[baseScriptIndex].get_min_value(baseLangSysIndex, featureTableTagIndex);
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}
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@ -492,9 +487,8 @@ struct Axis
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return (this+baseScriptList).get_default_base_tag_index(baseScriptIndex);
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}
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inline HBINT16 get_base_coord(unsigned int baseScriptIndex, unsigned int baselineTagIndex) const
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inline int get_base_coord(unsigned int baseScriptIndex, unsigned int baselineTagIndex) const
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{
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if (unlikely(baseScriptList == Null(OffsetTo<BaseScriptList>))) return NO_COORD;
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return (this+baseScriptList).get_base_coord(baseScriptIndex, baselineTagIndex);
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}
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@ -510,15 +504,13 @@ struct Axis
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return (this+baseScriptList).get_feature_tag_index(baseScriptIndex, baseLangSysIndex, featureTableTag);
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}
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inline HBINT16 get_max_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
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inline int get_max_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
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{
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if (unlikely(baseScriptList == Null(OffsetTo<BaseScriptList>))) return NO_COORD;
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return (this+baseScriptList).get_max_value(baseScriptIndex, baseLangSysIndex, featureTableTagIndex);
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}
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inline HBINT16 get_min_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
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inline int get_min_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
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{
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if (unlikely(baseScriptList == Null(OffsetTo<BaseScriptList>))) return NO_COORD;
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return (this+baseScriptList).get_min_value(baseScriptIndex, baseLangSysIndex, featureTableTagIndex);
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}
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@ -583,9 +575,8 @@ struct BASEFormat1_0
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return (this+horizAxis).get_default_base_tag_index_for_script_index(baseScriptIndex);
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}
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inline HBINT16 get_horiz_base_coord(unsigned int baseScriptIndex, unsigned int baselineTagIndex) const
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inline int get_horiz_base_coord(unsigned int baseScriptIndex, unsigned int baselineTagIndex) const
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{
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if (unlikely(horizAxis == Null(OffsetTo<Axis>))) return NO_COORD;
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return (this+horizAxis).get_base_coord(baseScriptIndex, baselineTagIndex);
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}
|
||||
|
||||
|
|
@ -603,9 +594,8 @@ struct BASEFormat1_0
|
|||
return (this+vertAxis).get_default_base_tag_index_for_script_index(baseScriptIndex);
|
||||
}
|
||||
|
||||
inline HBINT16 get_vert_base_coord(unsigned int baseScriptIndex, unsigned int baselineTagIndex) const
|
||||
inline int get_vert_base_coord(unsigned int baseScriptIndex, unsigned int baselineTagIndex) const
|
||||
{
|
||||
if (vertAxis == Null(OffsetTo<Axis>)) return NO_COORD;
|
||||
return (this+vertAxis).get_base_coord(baseScriptIndex, baselineTagIndex);
|
||||
}
|
||||
|
||||
|
|
@ -623,15 +613,13 @@ struct BASEFormat1_0
|
|||
return (this+horizAxis).get_feature_tag_index (baseScriptIndex, baseLangSysIndex, featureTableTag);
|
||||
}
|
||||
|
||||
inline HBINT16 get_horiz_max_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
|
||||
inline int get_horiz_max_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
|
||||
{
|
||||
if (unlikely(horizAxis == Null(OffsetTo<Axis>))) return NO_COORD;
|
||||
return (this+horizAxis).get_max_value (baseScriptIndex, baseLangSysIndex, featureTableTagIndex);
|
||||
}
|
||||
|
||||
inline HBINT16 get_horiz_min_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
|
||||
inline int get_horiz_min_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
|
||||
{
|
||||
if (unlikely(horizAxis == Null(OffsetTo<Axis>))) return NO_COORD;
|
||||
return (this+horizAxis).get_min_value (baseScriptIndex, baseLangSysIndex, featureTableTagIndex);
|
||||
}
|
||||
|
||||
|
|
@ -649,15 +637,13 @@ struct BASEFormat1_0
|
|||
return (this+vertAxis).get_feature_tag_index (baseScriptIndex, baseLangSysIndex, featureTableTag);
|
||||
}
|
||||
|
||||
inline HBINT16 get_vert_max_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
|
||||
inline int get_vert_max_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
|
||||
{
|
||||
if (unlikely(vertAxis == Null(OffsetTo<Axis>))) return NO_COORD;
|
||||
return (this+vertAxis).get_max_value (baseScriptIndex, baseLangSysIndex, featureTableTagIndex);
|
||||
}
|
||||
|
||||
inline HBINT16 get_vert_min_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
|
||||
inline int get_vert_min_value (unsigned int baseScriptIndex, unsigned int baseLangSysIndex, unsigned int featureTableTagIndex) const
|
||||
{
|
||||
if (unlikely(vertAxis == Null(OffsetTo<Axis>))) return NO_COORD;
|
||||
return (this+vertAxis).get_min_value (baseScriptIndex, baseLangSysIndex, featureTableTagIndex);
|
||||
}
|
||||
|
||||
|
|
@ -694,7 +680,7 @@ struct BASE
|
|||
inline unsigned int get_horiz_default_base_tag_index_for_script_index (unsigned int baseScriptIndex) const
|
||||
{ return u.format1_0.get_horiz_default_base_tag_index_for_script_index(baseScriptIndex); }
|
||||
|
||||
inline HBINT16 get_horiz_base_coord(unsigned int baseScriptIndex, unsigned int baselineTagIndex) const
|
||||
inline int get_horiz_base_coord(unsigned int baseScriptIndex, unsigned int baselineTagIndex) const
|
||||
{ return u.format1_0.get_horiz_base_coord(baseScriptIndex, baselineTagIndex); }
|
||||
|
||||
inline unsigned int get_vert_base_tag_index(Tag baselineTag) const
|
||||
|
|
@ -703,7 +689,7 @@ struct BASE
|
|||
inline unsigned int get_vert_default_base_tag_index_for_script_index (unsigned int baseScriptIndex) const
|
||||
{ return u.format1_0.get_vert_default_base_tag_index_for_script_index(baseScriptIndex); }
|
||||
|
||||
inline HBINT16 get_vert_base_coord(unsigned int baseScriptIndex, unsigned int baselineTagIndex) const
|
||||
inline int get_vert_base_coord(unsigned int baseScriptIndex, unsigned int baselineTagIndex) const
|
||||
{ return u.format1_0.get_vert_base_coord(baseScriptIndex, baselineTagIndex); }
|
||||
|
||||
inline unsigned int get_horiz_lang_tag_index (unsigned int baseScriptIndex, Tag baseLangSysTag) const
|
||||
|
|
@ -718,7 +704,7 @@ struct BASE
|
|||
featureTableTag);
|
||||
}
|
||||
|
||||
inline HBINT16 get_horiz_max_value (unsigned int baseScriptIndex,
|
||||
inline int get_horiz_max_value (unsigned int baseScriptIndex,
|
||||
unsigned int baseLangSysIndex,
|
||||
unsigned int featureTableTagIndex) const
|
||||
{
|
||||
|
|
@ -727,7 +713,7 @@ struct BASE
|
|||
featureTableTagIndex);
|
||||
}
|
||||
|
||||
inline HBINT16 get_horiz_min_value (unsigned int baseScriptIndex,
|
||||
inline int get_horiz_min_value (unsigned int baseScriptIndex,
|
||||
unsigned int baseLangSysIndex,
|
||||
unsigned int featureTableTagIndex) const
|
||||
{
|
||||
|
|
@ -752,7 +738,7 @@ struct BASE
|
|||
featureTableTag);
|
||||
}
|
||||
|
||||
inline HBINT16 get_vert_max_value (unsigned int baseScriptIndex,
|
||||
inline int get_vert_max_value (unsigned int baseScriptIndex,
|
||||
unsigned int baseLangSysIndex,
|
||||
unsigned int featureTableTagIndex) const
|
||||
{
|
||||
|
|
@ -761,7 +747,7 @@ struct BASE
|
|||
featureTableTagIndex);
|
||||
}
|
||||
|
||||
inline HBINT16 get_vert_min_value (unsigned int baseScriptIndex,
|
||||
inline int get_vert_min_value (unsigned int baseScriptIndex,
|
||||
unsigned int baseLangSysIndex,
|
||||
unsigned int featureTableTagIndex) const
|
||||
{
|
||||
|
|
|
|||
Loading…
Reference in New Issue