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Unified Diff: third_party/harfbuzz/src/harfbuzz-gpos-private.h

Issue 7595001: Update (old) harfbuzz to ToT (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 9 years, 4 months ago
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Index: third_party/harfbuzz/src/harfbuzz-gpos-private.h
diff --git a/third_party/harfbuzz/src/harfbuzz-gpos-private.h b/third_party/harfbuzz/src/harfbuzz-gpos-private.h
index 41107008441b531175bd15a27cde06e75a2f0512..39f315998749666cf99e4e158cd95c10dc225161 100644
--- a/third_party/harfbuzz/src/harfbuzz-gpos-private.h
+++ b/third_party/harfbuzz/src/harfbuzz-gpos-private.h
@@ -32,9 +32,17 @@
HB_BEGIN_HEADER
+#ifdef HB_USE_PACKED_STRUCTS
+#pragma pack(push, 1)
+#endif
/* shared tables */
+#define VR_X_PLACEMENT_DEVICE 0
+#define VR_Y_PLACEMENT_DEVICE 1
+#define VR_X_ADVANCE_DEVICE 2
+#define VR_Y_ADVANCE_DEVICE 3
+
struct HB_ValueRecord_
{
HB_Short XPlacement; /* horizontal adjustment for
@@ -45,18 +53,16 @@ struct HB_ValueRecord_
advance */
HB_Short YAdvance; /* vertical adjustment for
advance */
- HB_Device XPlacementDevice; /* device table for horizontal
- placement */
- HB_Device YPlacementDevice; /* device table for vertical
- placement */
- HB_Device XAdvanceDevice; /* device table for horizontal
- advance */
- HB_Device YAdvanceDevice; /* device table for vertical
- advance */
+
+ HB_Device** DeviceTables; /* device tables for placement
+ and advance */
+
+#ifdef HB_SUPPORT_MULTIPLE_MASTER
HB_UShort XIdPlacement; /* horizontal placement metric ID */
HB_UShort YIdPlacement; /* vertical placement metric ID */
HB_UShort XIdAdvance; /* horizontal advance metric ID */
HB_UShort YIdAdvance; /* vertical advance metric ID */
+#endif
};
typedef struct HB_ValueRecord_ HB_ValueRecord;
@@ -65,6 +71,8 @@ typedef struct HB_ValueRecord_ HB_ValueRecord;
/* Mask values to scan the value format of the ValueRecord structure.
We always expand compressed ValueRecords of the font. */
+#define HB_GPOS_FORMAT_HAVE_DEVICE_TABLES 0x00F0
+
#define HB_GPOS_FORMAT_HAVE_X_PLACEMENT 0x0001
#define HB_GPOS_FORMAT_HAVE_Y_PLACEMENT 0x0002
#define HB_GPOS_FORMAT_HAVE_X_ADVANCE 0x0004
@@ -97,18 +105,20 @@ struct HB_AnchorFormat2_
typedef struct HB_AnchorFormat2_ HB_AnchorFormat2;
+#define AF3_X_DEVICE_TABLE 0
+#define AF3_Y_DEVICE_TABLE 1
struct HB_AnchorFormat3_
{
HB_Short XCoordinate; /* horizontal value */
HB_Short YCoordinate; /* vertical value */
- HB_Device XDeviceTable; /* device table for X coordinate */
- HB_Device YDeviceTable; /* device table for Y coordinate */
+ HB_Device** DeviceTables; /* device tables for coordinates */
};
typedef struct HB_AnchorFormat3_ HB_AnchorFormat3;
+#ifdef HB_SUPPORT_MULTIPLE_MASTER
struct HB_AnchorFormat4_
{
HB_UShort XIdAnchor; /* horizontal metric ID */
@@ -116,11 +126,12 @@ struct HB_AnchorFormat4_
};
typedef struct HB_AnchorFormat4_ HB_AnchorFormat4;
+#endif
struct HB_Anchor_
{
- HB_UShort PosFormat; /* 1, 2, 3, or 4 -- 0 indicates
+ HB_Byte PosFormat; /* 1, 2, 3, or 4 -- 0 indicates
that there is no Anchor table */
union
@@ -128,7 +139,9 @@ struct HB_Anchor_
HB_AnchorFormat1 af1;
HB_AnchorFormat2 af2;
HB_AnchorFormat3 af3;
+#ifdef HB_SUPPORT_MULTIPLE_MASTER
HB_AnchorFormat4 af4;
+#endif
} af;
};
@@ -175,7 +188,7 @@ typedef struct HB_SinglePosFormat2_ HB_SinglePosFormat2;
struct HB_SinglePos_
{
- HB_UShort PosFormat; /* 1 or 2 */
+ HB_Byte PosFormat; /* 1 or 2 */
HB_Coverage Coverage; /* Coverage table */
HB_UShort ValueFormat; /* format of ValueRecord table */
@@ -255,7 +268,7 @@ typedef struct HB_PairPosFormat2_ HB_PairPosFormat2;
struct HB_PairPos_
{
- HB_UShort PosFormat; /* 1 or 2 */
+ HB_Byte PosFormat; /* 1 or 2 */
HB_Coverage Coverage; /* Coverage table */
HB_UShort ValueFormat1; /* format of ValueRecord table
for first glyph */
@@ -507,7 +520,7 @@ typedef struct HB_ContextPosFormat3_ HB_ContextPosFormat3;
struct HB_ContextPos_
{
- HB_UShort PosFormat; /* 1, 2, or 3 */
+ HB_Byte PosFormat; /* 1, 2, or 3 */
union
{
@@ -524,18 +537,18 @@ typedef struct HB_ContextPos_ HB_ContextPos;
struct HB_ChainPosRule_
{
+ HB_UShort* Backtrack; /* array of backtrack glyph IDs */
+ HB_UShort* Input; /* array of input glyph IDs */
+ HB_UShort* Lookahead; /* array of lookahead glyph IDs */
+ HB_PosLookupRecord* PosLookupRecord;
+ /* array of PosLookupRecords */
HB_UShort BacktrackGlyphCount;
/* total number of backtrack glyphs */
- HB_UShort* Backtrack; /* array of backtrack glyph IDs */
HB_UShort InputGlyphCount;
/* total number of input glyphs */
- HB_UShort* Input; /* array of input glyph IDs */
HB_UShort LookaheadGlyphCount;
/* total number of lookahead glyphs */
- HB_UShort* Lookahead; /* array of lookahead glyph IDs */
HB_UShort PosCount; /* number of PosLookupRecords */
- HB_PosLookupRecord* PosLookupRecord;
- /* array of PosLookupRecords */
};
typedef struct HB_ChainPosRule_ HB_ChainPosRule;
@@ -565,20 +578,20 @@ typedef struct HB_ChainContextPosFormat1_ HB_ChainContextPosFormat1;
struct HB_ChainPosClassRule_
{
+ HB_UShort* Backtrack; /* array of backtrack classes */
+ HB_UShort* Input; /* array of context classes */
+ HB_UShort* Lookahead; /* array of lookahead classes */
+ HB_PosLookupRecord* PosLookupRecord;
+ /* array of substitution lookups */
HB_UShort BacktrackGlyphCount;
/* total number of backtrack
classes */
- HB_UShort* Backtrack; /* array of backtrack classes */
HB_UShort InputGlyphCount;
/* total number of context classes */
- HB_UShort* Input; /* array of context classes */
HB_UShort LookaheadGlyphCount;
/* total number of lookahead
classes */
- HB_UShort* Lookahead; /* array of lookahead classes */
HB_UShort PosCount; /* number of PosLookupRecords */
- HB_PosLookupRecord* PosLookupRecord;
- /* array of substitution lookups */
};
typedef struct HB_ChainPosClassRule_ HB_ChainPosClassRule;
@@ -656,7 +669,7 @@ typedef struct HB_ChainContextPosFormat3_ HB_ChainContextPosFormat3;
struct HB_ChainContextPos_
{
- HB_UShort PosFormat; /* 1, 2, or 3 */
+ HB_Byte PosFormat; /* 1, 2, or 3 */
union
{
@@ -707,6 +720,10 @@ HB_INTERNAL void
_HB_GPOS_Free_SubTable( HB_GPOS_SubTable* st,
HB_UShort lookup_type );
+#ifdef HB_USE_PACKED_STRUCTS
+#pragma pack(pop)
+#endif
+
HB_END_HEADER
#endif /* HARFBUZZ_GPOS_PRIVATE_H */
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