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authorAkira Kakuto <kakuto@fuk.kindai.ac.jp>2018-10-19 23:02:01 +0000
committerAkira Kakuto <kakuto@fuk.kindai.ac.jp>2018-10-19 23:02:01 +0000
commit4ca29e7f53a6b8a57f2f64c3c3e9a0b423e76429 (patch)
treed9b59fe0f8f0a178fc2f4aac4f26ddca36434038 /Build/source/libs/harfbuzz/harfbuzz-src/src/hb-aat-layout-ankr-table.hh
parentbd0c56dddccc51f470df742260cb6137223d1dda (diff)
harfbuzz 2.0.0
git-svn-id: svn://tug.org/texlive/trunk@48949 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-aat-layout-ankr-table.hh')
-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-src/src/hb-aat-layout-ankr-table.hh25
1 files changed, 20 insertions, 5 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-aat-layout-ankr-table.hh b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-aat-layout-ankr-table.hh
index a197cec8112..2e3ed275851 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-aat-layout-ankr-table.hh
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-aat-layout-ankr-table.hh
@@ -45,32 +45,47 @@ struct Anchor
return_trace (c->check_struct (this));
}
+ public:
FWORD xCoordinate;
FWORD yCoordinate;
public:
DEFINE_SIZE_STATIC (4);
};
+typedef LArrayOf<Anchor> GlyphAnchors;
+
struct ankr
{
static const hb_tag_t tableTag = HB_AAT_TAG_ankr;
+ inline const Anchor &get_anchor (hb_codepoint_t glyph_id,
+ unsigned int i,
+ unsigned int num_glyphs,
+ const char *end) const
+ {
+ unsigned int offset = (this+lookupTable).get_value_or_null (glyph_id, num_glyphs);
+ const GlyphAnchors &anchors = StructAtOffset<GlyphAnchors> (&(this+anchorData), offset);
+ /* TODO Use sanitizer; to avoid overflows and more. */
+ if (unlikely ((const char *) &anchors + anchors.get_size () > end))
+ return Null(Anchor);
+ return anchors[i];
+ }
+
inline bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
return_trace (likely (c->check_struct (this) &&
version == 0 &&
- lookupTable.sanitize (c, this) &&
- anchors.sanitize (c, this)));
+ lookupTable.sanitize (c, this)));
}
protected:
HBUINT16 version; /* Version number (set to zero) */
HBUINT16 flags; /* Flags (currently unused; set to zero) */
- LOffsetTo<Lookup<HBUINT16> >
+ LOffsetTo<Lookup<Offset<HBUINT16, false> >, false>
lookupTable; /* Offset to the table's lookup table */
- LOffsetTo<LArrayOf<Anchor> >
- anchors; /* Offset to the glyph data table */
+ LOffsetTo<HBUINT8, false>
+ anchorData; /* Offset to the glyph data table */
public:
DEFINE_SIZE_STATIC (12);