update harfbuzz to 10.1.0

This commit is contained in:
Sasha Szpakowski
2024-11-08 20:45:28 -04:00
parent 7ca40027e0
commit aecb572558
3449 changed files with 101770 additions and 22266 deletions
+128 -6
View File
@@ -59,14 +59,61 @@ struct shape_options_t
0));
hb_buffer_set_invisible_glyph (buffer, invisible_glyph);
hb_buffer_set_not_found_glyph (buffer, not_found_glyph);
hb_buffer_set_not_found_variation_selector_glyph (buffer, not_found_variation_selector_glyph);
hb_buffer_set_cluster_level (buffer, cluster_level);
hb_buffer_guess_segment_properties (buffer);
}
void populate_buffer (hb_buffer_t *buffer, const char *text, int text_len,
const char *text_before, const char *text_after)
const char *text_before, const char *text_after,
hb_font_t *font)
{
hb_buffer_clear_contents (buffer);
if (glyphs)
{
/* Call the setup_buffer first while the buffer is empty,
* as guess_segment_properties doesn't like glyphs in the buffer. */
setup_buffer (buffer);
char *glyphs_text = (char *) text;
int glyphs_len = text_len;
if (glyphs_len < 0)
glyphs_len = strlen (glyphs_text);
if (glyphs_len && glyphs_text[glyphs_len - 1] != ']')
{
glyphs_text = g_strdup_printf ("%*s]", glyphs_len, glyphs_text);
glyphs_len = -1;
}
hb_buffer_deserialize_glyphs (buffer,
glyphs_text, glyphs_len,
nullptr,
font,
HB_BUFFER_SERIALIZE_FORMAT_TEXT);
if (!strchr (glyphs_text, '+'))
{
scale_advances = false;
unsigned count;
hb_direction_t direction = hb_buffer_get_direction (buffer);
hb_glyph_info_t *infos = hb_buffer_get_glyph_infos (buffer, &count);
hb_glyph_position_t *positions = hb_buffer_get_glyph_positions (buffer, &count);
for (unsigned i = 0; i < count; i++)
hb_font_get_glyph_advance_for_direction (font,
infos[i].codepoint,
direction,
&positions[i].x_advance,
&positions[i].y_advance);
}
if (glyphs_text != text)
g_free (glyphs_text);
return;
}
if (text_before) {
unsigned int len = strlen (text_before);
hb_buffer_add_utf8 (buffer, text_before, len, len, 0);
@@ -93,11 +140,74 @@ struct shape_options_t
hb_bool_t shape (hb_font_t *font, hb_buffer_t *buffer, const char **error=nullptr)
{
if (!hb_shape_full (font, buffer, features, num_features, shapers))
if (glyphs)
{
if (error)
*error = "Shaping failed.";
goto fail;
/* Scale positions. */
int x_scale, y_scale;
hb_font_get_scale (font, &x_scale, &y_scale);
unsigned upem = hb_face_get_upem (hb_font_get_face (font));
unsigned count;
auto *positions = hb_buffer_get_glyph_positions (buffer, &count);
for (unsigned i = 0; i < count; i++)
{
auto &pos = positions[i];
pos.x_offset = pos.x_offset * x_scale / upem;
pos.y_offset = pos.y_offset * y_scale / upem;
if (scale_advances)
{
pos.x_advance = pos.x_advance * x_scale / upem;
pos.y_advance = pos.y_advance * y_scale / upem;
}
}
}
else
{
if (advance <= 0)
{
if (!hb_shape_full (font, buffer, features, num_features, shapers))
{
if (error)
*error = "Shaping failed.";
goto fail;
}
if (advance < 0)
{
float unit = (1 << SUBPIXEL_BITS);
/* Calculate buffer advance */
float w = 0;
unsigned count = 0;
hb_glyph_position_t *pos = hb_buffer_get_glyph_positions (buffer, &count);
if (HB_DIRECTION_IS_HORIZONTAL (hb_buffer_get_direction (buffer)))
for (unsigned i = 0; i < count; i++)
w += pos[i].x_advance;
else
for (unsigned i = 0; i < count; i++)
w += pos[i].y_advance;
printf ("Default size: %u\n", (unsigned) roundf (w / unit));
exit (0);
}
}
#ifdef HB_EXPERIMENTAL_API
else
{
float unit = (1 << SUBPIXEL_BITS);
float target_advance = advance * unit;
float w = 0;
hb_tag_t var_tag;
float var_value;
if (!hb_shape_justify (font, buffer, features, num_features, shapers,
target_advance - unit * 0.5f, target_advance + unit * 0.5f,
&w, &var_tag, &var_value))
{
if (error)
*error = "Shaping failed.";
goto fail;
}
}
#endif
}
if (normalize_glyphs)
@@ -133,11 +243,15 @@ struct shape_options_t
hb_feature_t *features = nullptr;
unsigned int num_features = 0;
char **shapers = nullptr;
signed advance = 0;
hb_bool_t utf8_clusters = false;
hb_codepoint_t invisible_glyph = 0;
hb_codepoint_t not_found_glyph = 0;
hb_codepoint_t not_found_variation_selector_glyph = HB_CODEPOINT_INVALID;
hb_buffer_cluster_level_t cluster_level = HB_BUFFER_CLUSTER_LEVEL_DEFAULT;
hb_bool_t normalize_glyphs = false;
hb_bool_t glyphs = false;
bool scale_advances = true;
hb_bool_t verify = false;
hb_bool_t unsafe_to_concat = false;
hb_bool_t safe_to_insert_tatweel = false;
@@ -257,17 +371,25 @@ shape_options_t::add_options (option_parser_t *parser)
{"script", 0, 0, G_OPTION_ARG_STRING, &this->script, "Set text script (default: auto)", "ISO-15924 tag"},
{"bot", 0, 0, G_OPTION_ARG_NONE, &this->bot, "Treat text as beginning-of-paragraph", nullptr},
{"eot", 0, 0, G_OPTION_ARG_NONE, &this->eot, "Treat text as end-of-paragraph", nullptr},
#ifdef HB_EXPERIMENTAL_API
{"justify-to", 0, 0,
G_OPTION_ARG_INT, &this->advance, "Target size to justify to", "SIZE, or -1"},
#endif
{"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-glyph", 0, 0, G_OPTION_ARG_INT, &this->invisible_glyph, "Glyph value to replace Default-Ignorables with", nullptr},
{"not-found-glyph", 0, 0, G_OPTION_ARG_INT, &this->not_found_glyph, "Glyph value to replace not-found characters with", nullptr},
{"not-found-variation-selector-glyph",
0, 0, G_OPTION_ARG_INT, &this->not_found_variation_selector_glyph,
"Glyph value to replace not-found variation-selector characters 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},
{"unsafe-to-concat",0, 0, G_OPTION_ARG_NONE, &this->unsafe_to_concat, "Produce unsafe-to-concat glyph flag", nullptr},
{"safe-to-insert-tatweel",0, 0, G_OPTION_ARG_NONE, &this->safe_to_insert_tatweel, "Produce safe-to-insert-tatweel glyph flag", nullptr},
{"glyphs", 0, 0, G_OPTION_ARG_NONE, &this->glyphs, "Interpret input as glyph string", nullptr},
{"verify", 0, 0, G_OPTION_ARG_NONE, &this->verify, "Perform sanity checks on shaping results", nullptr},
{"num-iterations", 'n', G_OPTION_FLAG_IN_MAIN,
{"num-iterations", 'n',G_OPTION_FLAG_IN_MAIN,
G_OPTION_ARG_INT, &this->num_iterations, "Run shaper N times (default: 1)", "N"},
{nullptr}
};