/*
- * Copyright (C) 2007,2008,2009 Red Hat, Inc.
+ * Copyright © 2007,2008,2009 Red Hat, Inc.
*
* This is part of HarfBuzz, a text shaping library.
*
#include "hb-open-type-private.hh"
+HB_BEGIN_DECLS
+
/*
*
struct OffsetTable;
struct TTCHeader;
-typedef struct TableDirectory
-{
- static inline unsigned int get_size () { return sizeof (TableDirectory); }
- inline bool sanitize (SANITIZE_ARG_DEF) {
+typedef struct TableRecord
+{
+ inline bool sanitize (hb_sanitize_context_t *c) {
TRACE_SANITIZE ();
- return SANITIZE_SELF ();
+ return c->check_struct (this);
}
Tag tag; /* 4-byte identifier. */
ULONG offset; /* Offset from beginning of TrueType font
* file. */
ULONG length; /* Length of this table. */
+ public:
+ DEFINE_SIZE_STATIC (16);
} OpenTypeTable;
-ASSERT_SIZE (TableDirectory, 16);
typedef struct OffsetTable
{
friend struct OpenTypeFontFile;
- STATIC_DEFINE_GET_FOR_DATA (OffsetTable);
-
inline unsigned int get_table_count (void) const
{ return numTables; }
- inline const Tag& get_table_tag (unsigned int i) const
+ inline const TableRecord& get_table (unsigned int i) const
{
- if (HB_UNLIKELY (i >= numTables)) return Null(Tag);
- return tableDir[i].tag;
- }
- inline const TableDirectory& get_table (unsigned int i) const
- {
- if (HB_UNLIKELY (i >= numTables)) return Null(TableDirectory);
- return tableDir[i];
+ if (unlikely (i >= numTables)) return Null(TableRecord);
+ return tables[i];
}
inline bool find_table_index (hb_tag_t tag, unsigned int *table_index) const
{
Tag t;
t.set (tag);
- // TODO: bsearch (need to sort in sanitize)
unsigned int count = numTables;
for (unsigned int i = 0; i < count; i++)
{
- if (t == tableDir[i].tag)
+ if (t == tables[i].tag)
{
if (table_index) *table_index = i;
return true;
}
}
- if (table_index) *table_index = NO_INDEX;
+ if (table_index) *table_index = Index::NOT_FOUND_INDEX;
return false;
}
- inline const TableDirectory& get_table_by_tag (hb_tag_t tag) const
+ inline const TableRecord& get_table_by_tag (hb_tag_t tag) const
{
unsigned int table_index;
find_table_index (tag, &table_index);
return get_table (table_index);
}
- inline unsigned int get_face_count (void) const { return 1; }
-
public:
- inline bool sanitize (SANITIZE_ARG_DEF, void *base) {
+ inline bool sanitize (hb_sanitize_context_t *c) {
TRACE_SANITIZE ();
- return SANITIZE_SELF () && SANITIZE_ARRAY (tableDir, TableDirectory::get_size (), numTables);
+ return c->check_struct (this)
+ && c->check_array (tables, TableRecord::static_size, numTables);
}
private:
USHORT searchRange; /* (Maximum power of 2 <= numTables) x 16 */
USHORT entrySelector; /* Log2(maximum power of 2 <= numTables). */
USHORT rangeShift; /* NumTables x 16-searchRange. */
- TableDirectory tableDir[VAR]; /* TableDirectory entries. numTables items */
+ TableRecord tables[VAR]; /* TableRecord entries. numTables items */
+ public:
+ DEFINE_SIZE_ARRAY (12, tables);
} OpenTypeFontFace;
-ASSERT_SIZE_VAR (OffsetTable, 12, TableDirectory);
+
/*
* TrueType Collections
inline unsigned int get_face_count (void) const { return table.len; }
inline const OpenTypeFontFace& get_face (unsigned int i) const { return this+table[i]; }
- inline bool sanitize (SANITIZE_ARG_DEF) {
+ inline bool sanitize (hb_sanitize_context_t *c) {
TRACE_SANITIZE ();
- return HB_LIKELY (table.sanitize (SANITIZE_ARG, CharP(this), CharP(this)));
+ return table.sanitize (c, this);
}
private:
LongOffsetLongArrayOf<OffsetTable>
table; /* Array of offsets to the OffsetTable for each font
* from the beginning of the file */
+ public:
+ DEFINE_SIZE_ARRAY (12, table);
};
-ASSERT_SIZE (TTCHeaderVersion1, 12);
struct TTCHeader
{
inline unsigned int get_face_count (void) const
{
- switch (u.header.version) {
+ switch (u.header.version.major) {
case 2: /* version 2 is compatible with version 1 */
- case 1: return u.version1->get_face_count ();
+ case 1: return u.version1.get_face_count ();
default:return 0;
}
}
inline const OpenTypeFontFace& get_face (unsigned int i) const
{
- switch (u.header.version) {
+ switch (u.header.version.major) {
case 2: /* version 2 is compatible with version 1 */
- case 1: return u.version1->get_face (i);
- default: return Null(OpenTypeFontFace);
+ case 1: return u.version1.get_face (i);
+ default:return Null(OpenTypeFontFace);
}
}
- inline bool sanitize (SANITIZE_ARG_DEF) {
+ inline bool sanitize (hb_sanitize_context_t *c) {
TRACE_SANITIZE ();
- if (!SANITIZE (u.header.version)) return false;
- switch (u.header.version) {
+ if (unlikely (!u.header.version.sanitize (c))) return false;
+ switch (u.header.version.major) {
case 2: /* version 2 is compatible with version 1 */
- case 1: return u.version1->sanitize (SANITIZE_ARG);
+ case 1: return u.version1.sanitize (c);
default:return true;
}
}
FixedVersion version; /* Version of the TTC Header (1.0 or 2.0),
* 0x00010000 or 0x00020000 */
} header;
- TTCHeaderVersion1 version1[VAR];
+ TTCHeaderVersion1 version1;
} u;
};
struct OpenTypeFontFile
{
- static const hb_tag_t TrueTypeTag = HB_TAG ( 0 , 1 , 0 , 0 );
- static const hb_tag_t CFFTag = HB_TAG ('O','T','T','O');
- static const hb_tag_t TTCTag = HB_TAG ('t','t','c','f');
+ static const hb_tag_t CFFTag = HB_TAG ('O','T','T','O'); /* OpenType with Postscript outlines */
+ static const hb_tag_t TrueTypeTag = HB_TAG ( 0 , 1 , 0 , 0 ); /* OpenType with TrueType outlines */
+ static const hb_tag_t TTCTag = HB_TAG ('t','t','c','f'); /* TrueType Collection */
+ static const hb_tag_t TrueTag = HB_TAG ('t','r','u','e'); /* Obsolete Apple TrueType */
+ static const hb_tag_t Typ1Tag = HB_TAG ('t','y','p','1'); /* Obsolete Apple Type1 font in SFNT container */
- STATIC_DEFINE_GET_FOR_DATA (OpenTypeFontFile);
+ inline hb_tag_t get_tag (void) const { return u.tag; }
inline unsigned int get_face_count (void) const
{
- switch (tag) {
- case TrueTypeTag: case CFFTag: return Cast<OpenTypeFontFace> (*this).get_face_count ();
- case TTCTag: return Cast<TTCHeader> (*this).get_face_count ();
- default: return 0;
+ switch (u.tag) {
+ case CFFTag: /* All the non-collection tags */
+ case TrueTag:
+ case Typ1Tag:
+ case TrueTypeTag: return 1;
+ case TTCTag: return u.ttcHeader.get_face_count ();
+ default: return 0;
}
}
inline const OpenTypeFontFace& get_face (unsigned int i) const
{
- switch (tag) {
+ switch (u.tag) {
/* Note: for non-collection SFNT data we ignore index. This is because
* Apple dfont container is a container of SFNT's. So each SFNT is a
* non-TTC, but the index is more than zero. */
- case TrueTypeTag: case CFFTag: return Cast<OpenTypeFontFace> (*this);
- case TTCTag: return Cast<TTCHeader> (*this).get_face (i);
- default: return Null(OpenTypeFontFace);
+ case CFFTag: /* All the non-collection tags */
+ case TrueTag:
+ case Typ1Tag:
+ case TrueTypeTag: return u.fontFace;
+ case TTCTag: return u.ttcHeader.get_face (i);
+ default: return Null(OpenTypeFontFace);
}
}
- inline bool sanitize (SANITIZE_ARG_DEF) {
+ inline bool sanitize (hb_sanitize_context_t *c) {
TRACE_SANITIZE ();
- if (!SANITIZE_SELF ()) return false;
- switch (tag) {
- default: return true;
- case TrueTypeTag: case CFFTag: return SANITIZE_THIS (Cast<OpenTypeFontFace> (*this));
- case TTCTag: return SANITIZE (Cast<TTCHeader> (*this));
+ if (unlikely (!u.tag.sanitize (c))) return false;
+ switch (u.tag) {
+ case CFFTag: /* All the non-collection tags */
+ case TrueTag:
+ case Typ1Tag:
+ case TrueTypeTag: return u.fontFace.sanitize (c);
+ case TTCTag: return u.ttcHeader.sanitize (c);
+ default: return true;
}
}
- Tag tag; /* 4-byte identifier. */
+ private:
+ union {
+ Tag tag; /* 4-byte identifier. */
+ OpenTypeFontFace fontFace;
+ TTCHeader ttcHeader;
+ } u;
+ public:
+ DEFINE_SIZE_UNION (4, tag);
};
-ASSERT_SIZE (OpenTypeFontFile, 4);
+HB_END_DECLS
+
#endif /* HB_OPEN_FILE_PRIVATE_HH */
projects / profile / ivi / org.tizen.video-player.git / blobdiff