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[config] Don't compile AAT API if HB_NO_AAT

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Part of https://github.com/harfbuzz/harfbuzz/issues/1652
This commit is contained in:
Behdad Esfahbod 2019-06-18 14:25:52 -07:00
parent bf9424a9a1
commit 231d025788
2 changed files with 56 additions and 94 deletions
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131
src/hb-aat-layout.cc
View File

@ -25,7 +25,7 @@
* Google Author(s): Behdad Esfahbod
*/
#include "hb-open-type.hh"
#include "hb.hh"
#include "hb-aat-layout.hh"
#include "hb-aat-fdsc-table.hh" // Just so we compile it; unused otherwise.
@ -39,6 +39,43 @@
#include "hb-aat-ltag-table.hh"
/*
* hb_aat_apply_context_t
*/
/* Note: This context is used for kerning, even without AAT, hence the code location
* before HB_NO_AAT conditional below. */
AAT::hb_aat_apply_context_t::hb_aat_apply_context_t (const hb_ot_shape_plan_t *plan_,
hb_font_t *font_,
hb_buffer_t *buffer_,
hb_blob_t *blob) :
plan (plan_),
font (font_),
face (font->face),
buffer (buffer_),
sanitizer (),
ankr_table (&Null(AAT::ankr)),
lookup_index (0),
debug_depth (0)
{
sanitizer.init (blob);
sanitizer.set_num_glyphs (face->get_num_glyphs ());
sanitizer.start_processing ();
sanitizer.set_max_ops (HB_SANITIZE_MAX_OPS_MAX);
}
AAT::hb_aat_apply_context_t::~hb_aat_apply_context_t ()
{ sanitizer.end_processing (); }
void
AAT::hb_aat_apply_context_t::set_ankr_table (const AAT::ankr *ankr_table_)
{ ankr_table = ankr_table_; }
#ifndef HB_NO_AAT
/**
* SECTION:hb-aat-layout
* @title: hb-aat-layout
@ -134,10 +171,6 @@ static const hb_aat_feature_mapping_t feature_mappings[] =
const hb_aat_feature_mapping_t *
hb_aat_layout_find_feature_mapping (hb_tag_t tag)
{
#ifdef HB_NO_SHAPE_AAT
return nullptr;
#endif
return (const hb_aat_feature_mapping_t *) hb_bsearch (&tag,
feature_mappings,
ARRAY_LENGTH (feature_mappings),
@ -146,39 +179,6 @@ hb_aat_layout_find_feature_mapping (hb_tag_t tag)
}
/*
* hb_aat_apply_context_t
*/
/* Note: This context is used for kerning, even without AAT. */
AAT::hb_aat_apply_context_t::hb_aat_apply_context_t (const hb_ot_shape_plan_t *plan_,
hb_font_t *font_,
hb_buffer_t *buffer_,
hb_blob_t *blob) :
plan (plan_),
font (font_),
face (font->face),
buffer (buffer_),
sanitizer (),
ankr_table (&Null(AAT::ankr)),
lookup_index (0),
debug_depth (0)
{
sanitizer.init (blob);
sanitizer.set_num_glyphs (face->get_num_glyphs ());
sanitizer.start_processing ();
sanitizer.set_max_ops (HB_SANITIZE_MAX_OPS_MAX);
}
AAT::hb_aat_apply_context_t::~hb_aat_apply_context_t ()
{ sanitizer.end_processing (); }
void
AAT::hb_aat_apply_context_t::set_ankr_table (const AAT::ankr *ankr_table_)
{ ankr_table = ankr_table_; }
/*
* mort/morx/kerx/trak
*/
@ -188,10 +188,6 @@ void
hb_aat_layout_compile_map (const hb_aat_map_builder_t *mapper,
hb_aat_map_t *map)
{
#ifdef HB_NO_SHAPE_AAT
return;
#endif
const AAT::morx& morx = *mapper->face->table.morx;
if (morx.has_data ())
{
@ -218,10 +214,6 @@ hb_aat_layout_compile_map (const hb_aat_map_builder_t *mapper,
hb_bool_t
hb_aat_layout_has_substitution (hb_face_t *face)
{
#ifdef HB_NO_SHAPE_AAT
return false;
#endif
return face->table.morx->has_data () ||
face->table.mort->has_data ();
}
@ -231,10 +223,6 @@ hb_aat_layout_substitute (const hb_ot_shape_plan_t *plan,
hb_font_t *font,
hb_buffer_t *buffer)
{
#ifdef HB_NO_SHAPE_AAT
return;
#endif
hb_blob_t *morx_blob = font->face->table.morx.get_blob ();
const AAT::morx& morx = *morx_blob->as<AAT::morx> ();
if (morx.has_data ())
@ -257,10 +245,6 @@ hb_aat_layout_substitute (const hb_ot_shape_plan_t *plan,
void
hb_aat_layout_zero_width_deleted_glyphs (hb_buffer_t *buffer)
{
#ifdef HB_NO_SHAPE_AAT
return;
#endif
unsigned int count = buffer->len;
hb_glyph_info_t *info = buffer->info;
hb_glyph_position_t *pos = buffer->pos;
@ -278,10 +262,6 @@ is_deleted_glyph (const hb_glyph_info_t *info)
void
hb_aat_layout_remove_deleted_glyphs (hb_buffer_t *buffer)
{
#ifdef HB_NO_SHAPE_AAT
return;
#endif
hb_ot_layout_delete_glyphs_inplace (buffer, is_deleted_glyph);
}
@ -295,10 +275,6 @@ hb_aat_layout_remove_deleted_glyphs (hb_buffer_t *buffer)
hb_bool_t
hb_aat_layout_has_positioning (hb_face_t *face)
{
#ifdef HB_NO_SHAPE_AAT
return false;
#endif
return face->table.kerx->has_data ();
}
@ -307,10 +283,6 @@ hb_aat_layout_position (const hb_ot_shape_plan_t *plan,
hb_font_t *font,
hb_buffer_t *buffer)
{
#ifdef HB_NO_SHAPE_AAT
return;
#endif
hb_blob_t *kerx_blob = font->face->table.kerx.get_blob ();
const AAT::kerx& kerx = *kerx_blob->as<AAT::kerx> ();
@ -330,10 +302,6 @@ hb_aat_layout_position (const hb_ot_shape_plan_t *plan,
hb_bool_t
hb_aat_layout_has_tracking (hb_face_t *face)
{
#ifdef HB_NO_SHAPE_AAT
return false;
#endif
return face->table.trak->has_data ();
}
@ -342,10 +310,6 @@ hb_aat_layout_track (const hb_ot_shape_plan_t *plan,
hb_font_t *font,
hb_buffer_t *buffer)
{
#ifdef HB_NO_SHAPE_AAT
return;
#endif
const AAT::trak& trak = *font->face->table.trak;
AAT::hb_aat_apply_context_t c (plan, font, buffer);
@ -369,12 +333,6 @@ hb_aat_layout_get_feature_types (hb_face_t *face,
unsigned int *feature_count, /* IN/OUT. May be NULL. */
hb_aat_layout_feature_type_t *features /* OUT. May be NULL. */)
{
#ifdef HB_NO_SHAPE_AAT
if (feature_count)
*feature_count = 0;
return 0;
#endif
return face->table.feat->get_feature_types (start_offset, feature_count, features);
}
@ -391,10 +349,6 @@ hb_ot_name_id_t
hb_aat_layout_feature_type_get_name_id (hb_face_t *face,
hb_aat_layout_feature_type_t feature_type)
{
#ifdef HB_NO_SHAPE_AAT
return HB_OT_NAME_ID_INVALID;
#endif
return face->table.feat->get_feature_name_id (feature_type);
}
@ -423,11 +377,8 @@ hb_aat_layout_feature_type_get_selector_infos (hb_face_t
hb_aat_layout_feature_selector_info_t *selectors, /* OUT. May be NULL. */
unsigned int *default_index /* OUT. May be NULL. */)
{
#ifdef HB_NO_SHAPE_AAT
if (selector_count)
*selector_count = 0;
return 0;
#endif
return face->table.feat->get_selector_infos (feature_type, start_offset, selector_count, selectors, default_index);
}
#endif

19
src/hb-ot-shape.cc
View File

@ -152,13 +152,12 @@ hb_ot_shape_planner_t::compile (hb_ot_shape_plan_t &plan,
if (!plan.apply_kerx && !has_gpos_kern)
{
/* Apparently Apple applies kerx if GPOS kern was not applied. */
if (0)
;
#ifndef HB_NO_SHAPE_AAT
else if (hb_aat_layout_has_positioning (face))
if (hb_aat_layout_has_positioning (face))
plan.apply_kerx = true;
else
#endif
else if (hb_ot_layout_has_kerning (face))
if (hb_ot_layout_has_kerning (face))
plan.apply_kern = true;
}
@ -220,9 +219,11 @@ void
hb_ot_shape_plan_t::substitute (hb_font_t *font,
hb_buffer_t *buffer) const
{
#ifndef HB_NO_SHAPE_AAT
if (unlikely (apply_morx))
hb_aat_layout_substitute (this, font, buffer);
else
#endif
map.substitute (this, font, buffer);
}
@ -232,15 +233,19 @@ hb_ot_shape_plan_t::position (hb_font_t *font,
{
if (this->apply_gpos)
map.position (this, font, buffer);
#ifndef HB_NO_SHAPE_AAT
else if (this->apply_kerx)
hb_aat_layout_position (this, font, buffer);
#endif
else if (this->apply_kern)
hb_ot_layout_kern (this, font, buffer);
else
_hb_ot_shape_fallback_kern (this, font, buffer);
#ifndef HB_NO_SHAPE_AAT
if (this->apply_trak)
hb_aat_layout_track (this, font, buffer);
#endif
}
@ -336,6 +341,7 @@ hb_ot_shape_collect_features (hb_ot_shape_planner_t *planner,
feature->value);
}
#ifndef HB_NO_SHAPE_AAT
if (planner->apply_morx)
{
hb_aat_map_builder_t *aat_map = &planner->aat_map;
@ -345,6 +351,7 @@ hb_ot_shape_collect_features (hb_ot_shape_planner_t *planner,
aat_map->add_feature (feature->tag, feature->value);
}
}
#endif
if (planner->shaper->override_features)
planner->shaper->override_features (planner);
@ -779,8 +786,10 @@ static inline void
hb_ot_substitute_post (const hb_ot_shape_context_t *c)
{
hb_ot_hide_default_ignorables (c->buffer, c->font);
#ifndef HB_NO_SHAPE_AAT
if (c->plan->apply_morx)
hb_aat_layout_remove_deleted_glyphs (c->buffer);
#endif
if (c->plan->shaper->postprocess_glyphs)
c->plan->shaper->postprocess_glyphs (c->plan, c->buffer, c->font);
@ -914,8 +923,10 @@ hb_ot_position_complex (const hb_ot_shape_context_t *c)
/* Finish off. Has to follow a certain order. */
hb_ot_layout_position_finish_advances (c->font, c->buffer);
hb_ot_zero_width_default_ignorables (c->buffer);
#ifndef HB_NO_SHAPE_AAT
if (c->plan->apply_morx)
hb_aat_layout_zero_width_deleted_glyphs (c->buffer);
#endif
hb_ot_layout_position_finish_offsets (c->font, c->buffer);
/* The nil glyph_h_origin() func returns 0, so no need to apply it. */