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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-ot-hmtx-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-ot-hmtx-table.hh')
-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-hmtx-table.hh53
1 files changed, 33 insertions, 20 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-hmtx-table.hh b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-hmtx-table.hh
index 3e4b3bdef5c..5293fdada1c 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-hmtx-table.hh
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-hmtx-table.hh
@@ -48,7 +48,7 @@ namespace OT {
struct LongMetric
{
UFWORD advance; /* Advance width/height. */
- FWORD lsb; /* Leading (left/top) side bearing. */
+ FWORD sb; /* Leading (left/top) side bearing. */
public:
DEFINE_SIZE_STATIC (4);
};
@@ -134,8 +134,8 @@ struct hmtxvmtx
}
else
{
- /* dest just lsb */
- *((FWORD *) dest_pos) = src_metric->lsb;
+ /* dest just sb */
+ *((FWORD *) dest_pos) = src_metric->sb;
}
}
else
@@ -147,18 +147,18 @@ struct hmtxvmtx
failed = true;
break;
}
- FWORD src_lsb = *(lsbs + gids[i] - _mtx.num_advances);
+ FWORD src_sb = *(lsbs + gids[i] - _mtx.num_advances);
if (i < num_advances)
{
/* dest needs a full LongMetric */
LongMetric *metric = (LongMetric *)dest_pos;
metric->advance = src_metric->advance;
- metric->lsb = src_lsb;
+ metric->sb = src_sb;
}
else
{
- /* dest just needs an lsb */
- *((FWORD *) dest_pos) = src_lsb;
+ /* dest just needs an sb */
+ *((FWORD *) dest_pos) = src_sb;
}
}
dest_pos += (i < num_advances ? 4 : 2);
@@ -249,20 +249,33 @@ struct hmtxvmtx
hb_blob_destroy (var_blob);
}
- inline unsigned int get_advance (hb_codepoint_t glyph) const
+ /* TODO Add variations version. */
+ inline unsigned int get_side_bearing (hb_codepoint_t glyph) const
+ {
+ if (glyph < num_advances)
+ return table->longMetricZ[glyph].sb;
+
+ if (unlikely (glyph > num_metrics))
+ return 0;
+
+ const FWORD *bearings = (const FWORD *) &table->longMetricZ[num_advances];
+ return bearings[glyph - num_advances];
+ }
+
+ inline unsigned int get_advance (hb_codepoint_t glyph) const
{
if (unlikely (glyph >= num_metrics))
{
- /* If num_metrics is zero, it means we don't have the metrics table
- * for this direction: return default advance. Otherwise, it means that the
- * glyph index is out of bound: return zero. */
- if (num_metrics)
- return 0;
- else
- return default_advance;
+ /* If num_metrics is zero, it means we don't have the metrics table
+ * for this direction: return default advance. Otherwise, it means that the
+ * glyph index is out of bound: return zero. */
+ if (num_metrics)
+ return 0;
+ else
+ return default_advance;
}
- return table->longMetric[MIN (glyph, (uint32_t) num_advances - 1)].advance;
+ return table->longMetricZ[MIN (glyph, (uint32_t) num_advances - 1)].advance;
}
inline unsigned int get_advance (hb_codepoint_t glyph,
@@ -271,7 +284,7 @@ struct hmtxvmtx
unsigned int advance = get_advance (glyph);
if (likely(glyph < num_metrics))
{
- advance += (font->num_coords ? var_table->get_advance_var (glyph, font->coords, font->num_coords) : 0); // TODO Optimize?!
+ advance += (font->num_coords ? var_table->get_advance_var (glyph, font->coords, font->num_coords) : 0); // TODO Optimize?!
}
return advance;
}
@@ -295,7 +308,7 @@ struct hmtxvmtx
};
protected:
- LongMetric longMetric[VAR]; /* Paired advance width and leading
+ UnsizedArrayOf<LongMetric>longMetricZ;/* Paired advance width and leading
* bearing values for each glyph. The
* value numOfHMetrics comes from
* the 'hhea' table. If the font is
@@ -303,7 +316,7 @@ struct hmtxvmtx
* be in the array, but that entry is
* required. The last entry applies to
* all subsequent glyphs. */
-/*FWORD leadingBearingX[VAR];*/ /* Here the advance is assumed
+/*UnsizedArrayOf<FWORD> leadingBearingX;*//* Here the advance is assumed
* to be the same as the advance
* for the last entry above. The
* number of entries in this array is
@@ -317,7 +330,7 @@ struct hmtxvmtx
* font to vary the side bearing
* values for each glyph. */
public:
- DEFINE_SIZE_ARRAY (0, longMetric);
+ DEFINE_SIZE_ARRAY (0, longMetricZ);
};
struct hmtx : hmtxvmtx<hmtx, hhea> {