hb_buffer_get_user_data
hb_buffer_get_glyph_infos
hb_buffer_get_glyph_positions
+hb_buffer_get_invisible_codepoint
+hb_buffer_set_invisible_codepoint
hb_buffer_set_replacement_codepoint
hb_buffer_get_replacement_codepoint
hb_buffer_normalize_glyphs
unicode = hb_unicode_funcs_reference (hb_unicode_funcs_get_default ());
flags = HB_BUFFER_FLAG_DEFAULT;
replacement = HB_BUFFER_REPLACEMENT_CODEPOINT_DEFAULT;
+ invisible = 0;
clear ();
}
HB_BUFFER_FLAG_DEFAULT,
HB_BUFFER_CLUSTER_LEVEL_DEFAULT,
HB_BUFFER_REPLACEMENT_CODEPOINT_DEFAULT,
+ 0, /* invisible */
HB_BUFFER_SCRATCH_FLAG_DEFAULT,
HB_BUFFER_MAX_LEN_DEFAULT,
HB_BUFFER_MAX_OPS_DEFAULT,
/**
+ * hb_buffer_set_invisible_codepoint:
+ * @buffer: an #hb_buffer_t.
+ * @invisible: the invisible #hb_codepoint_t
+ *
+ * Sets the #hb_codepoint_t that replaces invisible characters in
+ * the shaping result. If set to zero (default), the glyph for the
+ * U+0020 SPACE character is used. Otherwise, this value is used
+ * verbatim.
+ *
+ * Since: REPLACEME
+ **/
+void
+hb_buffer_set_invisible_codepoint (hb_buffer_t *buffer,
+ hb_codepoint_t invisible)
+{
+ if (unlikely (hb_object_is_inert (buffer)))
+ return;
+
+ buffer->invisible = invisible;
+}
+
+/**
+ * hb_buffer_get_invisible_codepoint:
+ * @buffer: an #hb_buffer_t.
+ *
+ * See hb_buffer_set_invisible_codepoint().
+ *
+ * Return value:
+ * The @buffer invisible #hb_codepoint_t.
+ *
+ * Since: REPLACEME
+ **/
+hb_codepoint_t
+hb_buffer_get_invisible_codepoint (hb_buffer_t *buffer)
+{
+ return buffer->invisible;
+}
+
+
+/**
* hb_buffer_reset:
* @buffer: an #hb_buffer_t.
*
HB_EXTERN hb_codepoint_t
hb_buffer_get_replacement_codepoint (hb_buffer_t *buffer);
+HB_EXTERN void
+hb_buffer_set_invisible_codepoint (hb_buffer_t *buffer,
+ hb_codepoint_t invisible);
+
+HB_EXTERN hb_codepoint_t
+hb_buffer_get_invisible_codepoint (hb_buffer_t *buffer);
+
HB_EXTERN void
hb_buffer_reset (hb_buffer_t *buffer);
hb_buffer_flags_t flags; /* BOT / EOT / etc. */
hb_buffer_cluster_level_t cluster_level;
hb_codepoint_t replacement; /* U+FFFD or something else. */
+ hb_codepoint_t invisible; /* 0 or something else. */
hb_buffer_scratch_flags_t scratch_flags; /* Have space-fallback, etc. */
unsigned int max_len; /* Maximum allowed len. */
int max_ops; /* Maximum allowed operations. */
if (i == count)
return;
- hb_codepoint_t space;
+ hb_codepoint_t invisible = c->buffer->invisible;
if (!(buffer->flags & HB_BUFFER_FLAG_REMOVE_DEFAULT_IGNORABLES) &&
- c->font->get_nominal_glyph (' ', &space))
+ (invisible || c->font->get_nominal_glyph (' ', &invisible)))
{
- /* Replace default-ignorables with a zero-advance space glyph. */
+ /* Replace default-ignorables with a zero-advance invisible glyph. */
for (/*continue*/; i < count; i++)
{
if (_hb_glyph_info_is_default_ignorable (&info[i]))
- info[i].codepoint = space;
+ info[i].codepoint = invisible;
}
}
else
{"eot", 0, 0, G_OPTION_ARG_NONE, &this->eot, "Treat text as end-of-paragraph", nullptr},
{"preserve-default-ignorables",0, 0, G_OPTION_ARG_NONE, &this->preserve_default_ignorables, "Preserve Default-Ignorable characters", nullptr},
{"remove-default-ignorables",0, 0, G_OPTION_ARG_NONE, &this->remove_default_ignorables, "Remove Default-Ignorable characters", nullptr},
+ {"invisible-codepoint",0, 0, G_OPTION_ARG_INT, &this->invisible_codepoint, "Value to replace Default-Ignorables with", nullptr},
{"utf8-clusters", 0, 0, G_OPTION_ARG_NONE, &this->utf8_clusters, "Use UTF8 byte indices, not char indices", nullptr},
{"cluster-level", 0, 0, G_OPTION_ARG_INT, &this->cluster_level, "Cluster merging level (default: 0)", "0/1/2"},
{"normalize-glyphs",0, 0, G_OPTION_ARG_NONE, &this->normalize_glyphs, "Rearrange glyph clusters in nominal order", nullptr},
num_features = 0;
shapers = nullptr;
utf8_clusters = false;
+ invisible_codepoint = 0;
cluster_level = HB_BUFFER_CLUSTER_LEVEL_DEFAULT;
normalize_glyphs = false;
verify = false;
(preserve_default_ignorables ? HB_BUFFER_FLAG_PRESERVE_DEFAULT_IGNORABLES : 0) |
(remove_default_ignorables ? HB_BUFFER_FLAG_REMOVE_DEFAULT_IGNORABLES : 0) |
0));
+ hb_buffer_set_invisible_codepoint (buffer, invisible_codepoint);
hb_buffer_set_cluster_level (buffer, cluster_level);
hb_buffer_guess_segment_properties (buffer);
}
unsigned int num_features;
char **shapers;
hb_bool_t utf8_clusters;
+ hb_codepoint_t invisible_codepoint;
hb_buffer_cluster_level_t cluster_level;
hb_bool_t normalize_glyphs;
hb_bool_t verify;