* Google Author(s): Behdad Esfahbod
*/
-#include "hb-ot-shape-complex-private.hh"
+#include "hb-ot-shape-complex.hh"
/* Hangul shaper */
/* Same order as the feature array below */
enum {
- NONE,
+ _JMO,
LJMO,
VJMO,
hb_ot_map_builder_t *map = &plan->map;
for (unsigned int i = FIRST_HANGUL_FEATURE; i < HANGUL_FEATURE_COUNT; i++)
- map->add_feature (hangul_features[i], 1, F_NONE);
+ map->add_feature (hangul_features[i]);
}
static void
/* Uniscribe does not apply 'calt' for Hangul, and certain fonts
* (Noto Sans CJK, Source Sans Han, etc) apply all of jamo lookups
* in calt, which is not desirable. */
- plan->map.add_feature (HB_TAG('c','a','l','t'), 0, F_GLOBAL);
+ plan->map.disable_feature (HB_TAG('c','a','l','t'));
}
struct hangul_shape_plan_t
{
- ASSERT_POD ();
-
hb_mask_t mask_array[HANGUL_FEATURE_COUNT];
};
{
hangul_shape_plan_t *hangul_plan = (hangul_shape_plan_t *) calloc (1, sizeof (hangul_shape_plan_t));
if (unlikely (!hangul_plan))
- return NULL;
+ return nullptr;
for (unsigned int i = 0; i < HANGUL_FEATURE_COUNT; i++)
hangul_plan->mask_array[i] = plan->map.get_1_mask (hangul_features[i]);
#define NCount (VCount * TCount)
#define SCount (LCount * NCount)
-#define isCombiningL(u) (hb_in_range ((u), LBase, LBase+LCount-1))
-#define isCombiningV(u) (hb_in_range ((u), VBase, VBase+VCount-1))
-#define isCombiningT(u) (hb_in_range ((u), TBase+1, TBase+TCount-1))
-#define isCombinedS(u) (hb_in_range ((u), SBase, SBase+SCount-1))
+#define isCombiningL(u) (hb_in_range<hb_codepoint_t> ((u), LBase, LBase+LCount-1))
+#define isCombiningV(u) (hb_in_range<hb_codepoint_t> ((u), VBase, VBase+VCount-1))
+#define isCombiningT(u) (hb_in_range<hb_codepoint_t> ((u), TBase+1, TBase+TCount-1))
+#define isCombinedS(u) (hb_in_range<hb_codepoint_t> ((u), SBase, SBase+SCount-1))
-#define isL(u) (hb_in_ranges ((u), 0x1100u, 0x115Fu, 0xA960u, 0xA97Cu))
-#define isV(u) (hb_in_ranges ((u), 0x1160u, 0x11A7u, 0xD7B0u, 0xD7C6u))
-#define isT(u) (hb_in_ranges ((u), 0x11A8u, 0x11FFu, 0xD7CBu, 0xD7FBu))
+#define isL(u) (hb_in_ranges<hb_codepoint_t> ((u), 0x1100u, 0x115Fu, 0xA960u, 0xA97Cu))
+#define isV(u) (hb_in_ranges<hb_codepoint_t> ((u), 0x1160u, 0x11A7u, 0xD7B0u, 0xD7C6u))
+#define isT(u) (hb_in_ranges<hb_codepoint_t> ((u), 0x11A8u, 0x11FFu, 0xD7CBu, 0xD7FBu))
-#define isHangulTone(u) (hb_in_range ((u), 0x302Eu, 0x302Fu))
+#define isHangulTone(u) (hb_in_range<hb_codepoint_t> ((u), 0x302Eu, 0x302Fu))
/* buffer var allocations */
#define hangul_shaping_feature() complex_var_u8_0() /* hangul jamo shaping feature */
}
static void
-preprocess_text_hangul (const hb_ot_shape_plan_t *plan,
+preprocess_text_hangul (const hb_ot_shape_plan_t *plan HB_UNUSED,
hb_buffer_t *buffer,
hb_font_t *font)
{
* - <V>: U+1160..11A7, U+D7B0..D7C7
* - <T>: U+11A8..11FF, U+D7CB..D7FB
*
- * - Only the <L,V> sequences for the 11xx ranges combine.
- * - Only <LV,T> sequences for T in U+11A8..11C3 combine.
+ * - Only the <L,V> sequences for some of the U+11xx ranges combine.
+ * - Only <LV,T> sequences for some of the Ts in U+11xx range combine.
*
* Here is what we want to accomplish in this shaper:
*
*/
unsigned int count = buffer->len;
- for (buffer->idx = 0; buffer->idx < count && !buffer->in_error;)
+ for (buffer->idx = 0; buffer->idx < count && buffer->successful;)
{
hb_codepoint_t u = buffer->cur().codepoint;
if (start < end && end == buffer->out_len)
{
/* Tone mark follows a valid syllable; move it in front, unless it's zero width. */
+ buffer->unsafe_to_break_from_outbuffer (start, buffer->idx);
buffer->next_glyph ();
if (!is_zero_width_char (font, u))
{
else
t = 0; /* The next character was not a trailing jamo. */
}
+ buffer->unsafe_to_break (buffer->idx, buffer->idx + (t ? 3 : 2));
/* We've got a syllable <L,V,T?>; see if it can potentially be composed. */
if (isCombiningL (l) && isCombiningV (v) && (t == 0 || isCombiningT (t)))
if (font->has_glyph (s))
{
buffer->replace_glyphs (t ? 3 : 2, 1, &s);
- if (unlikely (buffer->in_error))
+ if (unlikely (!buffer->successful))
return;
end = start + 1;
continue;
if (font->has_glyph (new_s))
{
buffer->replace_glyphs (2, 1, &new_s);
- if (unlikely (buffer->in_error))
+ if (unlikely (!buffer->successful))
return;
end = start + 1;
continue;
}
+ else
+ buffer->unsafe_to_break (buffer->idx, buffer->idx + 2); /* Mark unsafe between LV and T. */
}
/* Otherwise, decompose if font doesn't support <LV> or <LVT>,
{
unsigned int s_len = tindex ? 3 : 2;
buffer->replace_glyphs (1, s_len, decomposed);
- if (unlikely (buffer->in_error))
- return;
-
- /* We decomposed S: apply jamo features to the individual glyphs
- * that are now in buffer->out_info.
- */
- hb_glyph_info_t *info = buffer->out_info;
/* If we decomposed an LV because of a non-combining T following,
* we want to include this T in the syllable.
buffer->next_glyph ();
s_len++;
}
+
+ if (unlikely (!buffer->successful))
+ return;
+
+ /* We decomposed S: apply jamo features to the individual glyphs
+ * that are now in buffer->out_info.
+ */
+ hb_glyph_info_t *info = buffer->out_info;
end = start + s_len;
unsigned int i = start;
info[i++].hangul_shaping_feature() = VJMO;
if (i < end)
info[i++].hangul_shaping_feature() = TJMO;
+
if (buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES)
buffer->merge_out_clusters (start, end);
continue;
}
+ else if ((!tindex && buffer->idx + 1 < count && isT (buffer->cur(+1).codepoint)))
+ buffer->unsafe_to_break (buffer->idx, buffer->idx + 2); /* Mark unsafe between LV and T. */
}
if (has_glyph)
const hb_ot_complex_shaper_t _hb_ot_complex_shaper_hangul =
{
- "hangul",
collect_features_hangul,
override_features_hangul,
data_create_hangul,
data_destroy_hangul,
preprocess_text_hangul,
- NULL, /* postprocess_glyphs */
+ nullptr, /* postprocess_glyphs */
HB_OT_SHAPE_NORMALIZATION_MODE_NONE,
- NULL, /* decompose */
- NULL, /* compose */
+ nullptr, /* decompose */
+ nullptr, /* compose */
setup_masks_hangul,
+ HB_TAG_NONE, /* gpos_tag */
+ nullptr, /* reorder_marks */
HB_OT_SHAPE_ZERO_WIDTH_MARKS_NONE,
false, /* fallback_position */
};
projects / platform / upstream / harfbuzz.git / blobdiff