diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-shape.cc')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-shape.cc | 37 |
1 files changed, 28 insertions, 9 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-shape.cc b/src/3rdparty/harfbuzz-ng/src/hb-shape.cc index 3407e1af42..7b5bf2c5ef 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-shape.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-shape.cc @@ -35,6 +35,8 @@ #include "hb-machinery.hh" +#ifndef HB_NO_SHAPER + /** * SECTION:hb-shape * @title: hb-shape @@ -50,7 +52,7 @@ static inline void free_static_shaper_list (); -static const char *nil_shaper_list[] = {nullptr}; +static const char * const nil_shaper_list[] = {nullptr}; static struct hb_shaper_list_lazy_loader_t : hb_lazy_loader_t<const char *, hb_shaper_list_lazy_loader_t> @@ -73,7 +75,7 @@ static struct hb_shaper_list_lazy_loader_t : hb_lazy_loader_t<const char *, } static void destroy (const char **l) { hb_free (l); } - static const char ** get_null () + static const char * const * get_null () { return nil_shaper_list; } } static_shaper_list; @@ -106,12 +108,12 @@ hb_shape_list_shapers () * @font: an #hb_font_t to use for shaping * @buffer: an #hb_buffer_t to shape * @features: (array length=num_features) (nullable): an array of user - * specified #hb_feature_t or %NULL + * specified #hb_feature_t or `NULL` * @num_features: the length of @features array - * @shaper_list: (array zero-terminated=1) (nullable): a %NULL-terminated - * array of shapers to use or %NULL + * @shaper_list: (array zero-terminated=1) (nullable): a `NULL`-terminated + * array of shapers to use or `NULL` * - * See hb_shape() for details. If @shaper_list is not %NULL, the specified + * See hb_shape() for details. If @shaper_list is not `NULL`, the specified * shapers will be used in the given order, otherwise the default shapers list * will be used. * @@ -126,6 +128,11 @@ hb_shape_full (hb_font_t *font, unsigned int num_features, const char * const *shaper_list) { + if (unlikely (!buffer->len)) + return true; + + buffer->enter (); + hb_buffer_t *text_buffer = nullptr; if (buffer->flags & HB_BUFFER_FLAG_VERIFY) { @@ -137,12 +144,19 @@ hb_shape_full (hb_font_t *font, features, num_features, font->coords, font->num_coords, shaper_list); + hb_bool_t res = hb_shape_plan_execute (shape_plan, font, buffer, features, num_features); + + if (buffer->max_ops <= 0) + buffer->shaping_failed = true; + hb_shape_plan_destroy (shape_plan); if (text_buffer) { - if (res && !buffer->verify (text_buffer, + if (res && buffer->successful && !buffer->shaping_failed + && text_buffer->successful + && !buffer->verify (text_buffer, font, features, num_features, @@ -151,6 +165,8 @@ hb_shape_full (hb_font_t *font, hb_buffer_destroy (text_buffer); } + buffer->leave (); + return res; } @@ -159,11 +175,11 @@ hb_shape_full (hb_font_t *font, * @font: an #hb_font_t to use for shaping * @buffer: an #hb_buffer_t to shape * @features: (array length=num_features) (nullable): an array of user - * specified #hb_feature_t or %NULL + * specified #hb_feature_t or `NULL` * @num_features: the length of @features array * * Shapes @buffer using @font turning its Unicode characters content to - * positioned glyphs. If @features is not %NULL, it will be used to control the + * positioned glyphs. If @features is not `NULL`, it will be used to control the * features applied during shaping. If two @features have the same tag but * overlapping ranges the value of the feature with the higher index takes * precedence. @@ -178,3 +194,6 @@ hb_shape (hb_font_t *font, { hb_shape_full (font, buffer, features, num_features, nullptr); } + + +#endif |