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src/java.desktop/share/native/libfontmanager/harfbuzz/hb-ot-font.cc
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*** 22,160 ****
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Google Author(s): Behdad Esfahbod, Roozbeh Pournader
*/
! #include "hb-private.hh"
#include "hb-ot.h"
! #include "hb-font-private.hh"
#include "hb-ot-cmap-table.hh"
#include "hb-ot-glyf-table.hh"
#include "hb-ot-hmtx-table.hh"
#include "hb-ot-kern-table.hh"
#include "hb-ot-post-table.hh"
!
#include "hb-ot-color-cbdt-table.hh"
! struct hb_ot_font_t
! {
! OT::cmap::accelerator_t cmap;
! OT::hmtx::accelerator_t h_metrics;
! OT::vmtx::accelerator_t v_metrics;
! OT::hb_lazy_loader_t<OT::glyf::accelerator_t> glyf;
! OT::hb_lazy_loader_t<OT::CBDT::accelerator_t> cbdt;
! OT::hb_lazy_loader_t<OT::post::accelerator_t> post;
! OT::hb_lazy_loader_t<OT::kern::accelerator_t> kern;
! };
!
!
! static hb_ot_font_t *
! _hb_ot_font_create (hb_face_t *face)
! {
! hb_ot_font_t *ot_font = (hb_ot_font_t *) calloc (1, sizeof (hb_ot_font_t));
!
! if (unlikely (!ot_font))
! return nullptr;
!
! ot_font->cmap.init (face);
! ot_font->h_metrics.init (face);
! ot_font->v_metrics.init (face, ot_font->h_metrics.ascender - ot_font->h_metrics.descender); /* TODO Can we do this lazily? */
! ot_font->glyf.init (face);
! ot_font->cbdt.init (face);
! ot_font->post.init (face);
! ot_font->kern.init (face);
!
! return ot_font;
! }
!
! static void
! _hb_ot_font_destroy (void *data)
! {
! hb_ot_font_t *ot_font = (hb_ot_font_t *) data;
!
! ot_font->cmap.fini ();
! ot_font->h_metrics.fini ();
! ot_font->v_metrics.fini ();
! ot_font->glyf.fini ();
! ot_font->cbdt.fini ();
! ot_font->post.fini ();
! ot_font->kern.fini ();
!
! free (ot_font);
! }
static hb_bool_t
hb_ot_get_nominal_glyph (hb_font_t *font HB_UNUSED,
void *font_data,
hb_codepoint_t unicode,
hb_codepoint_t *glyph,
void *user_data HB_UNUSED)
{
! const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
! return ot_font->cmap.get_nominal_glyph (unicode, glyph);
}
static hb_bool_t
hb_ot_get_variation_glyph (hb_font_t *font HB_UNUSED,
void *font_data,
hb_codepoint_t unicode,
hb_codepoint_t variation_selector,
hb_codepoint_t *glyph,
void *user_data HB_UNUSED)
{
! const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
! return ot_font->cmap.get_variation_glyph (unicode, variation_selector, glyph);
}
! static hb_position_t
! hb_ot_get_glyph_h_advance (hb_font_t *font,
! void *font_data,
! hb_codepoint_t glyph,
void *user_data HB_UNUSED)
{
! const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
! return font->em_scale_x (ot_font->h_metrics.get_advance (glyph, font));
}
! static hb_position_t
! hb_ot_get_glyph_v_advance (hb_font_t *font,
! void *font_data,
! hb_codepoint_t glyph,
void *user_data HB_UNUSED)
{
! const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
! return font->em_scale_y (-(int) ot_font->v_metrics.get_advance (glyph, font));
}
! static hb_position_t
! hb_ot_get_glyph_h_kerning (hb_font_t *font,
void *font_data,
! hb_codepoint_t left_glyph,
! hb_codepoint_t right_glyph,
void *user_data HB_UNUSED)
{
! const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
! return font->em_scale_x (ot_font->kern->get_h_kerning (left_glyph, right_glyph));
}
static hb_bool_t
hb_ot_get_glyph_extents (hb_font_t *font,
void *font_data,
hb_codepoint_t glyph,
hb_glyph_extents_t *extents,
void *user_data HB_UNUSED)
{
! const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
! bool ret = ot_font->glyf->get_extents (glyph, extents);
if (!ret)
! ret = ot_font->cbdt->get_extents (glyph, extents);
// TODO Hook up side-bearings variations.
extents->x_bearing = font->em_scale_x (extents->x_bearing);
extents->y_bearing = font->em_scale_y (extents->y_bearing);
extents->width = font->em_scale_x (extents->width);
extents->height = font->em_scale_y (extents->height);
--- 22,196 ----
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Google Author(s): Behdad Esfahbod, Roozbeh Pournader
*/
! #include "hb.hh"
#include "hb-ot.h"
! #include "hb-font.hh"
! #include "hb-machinery.hh"
! #include "hb-ot-face.hh"
#include "hb-ot-cmap-table.hh"
#include "hb-ot-glyf-table.hh"
+ #include "hb-ot-cff1-table.hh"
+ #include "hb-ot-cff2-table.hh"
#include "hb-ot-hmtx-table.hh"
#include "hb-ot-kern-table.hh"
+ #include "hb-ot-os2-table.hh"
#include "hb-ot-post-table.hh"
! #include "hb-ot-stat-table.hh" // Just so we compile it; unused otherwise.
! #include "hb-ot-vorg-table.hh"
#include "hb-ot-color-cbdt-table.hh"
+ #include "hb-ot-color-sbix-table.hh"
! /**
! * SECTION:hb-ot-font
! * @title: hb-ot-font
! * @short_description: OpenType font implementation
! * @include: hb-ot.h
! *
! * Functions for using OpenType fonts with hb_shape(). Not that fonts returned
! * by hb_font_create() default to using these functions, so most clients would
! * never need to call these functions directly.
! **/
static hb_bool_t
hb_ot_get_nominal_glyph (hb_font_t *font HB_UNUSED,
void *font_data,
hb_codepoint_t unicode,
hb_codepoint_t *glyph,
void *user_data HB_UNUSED)
+ {
+ const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data;
+ return ot_face->cmap->get_nominal_glyph (unicode, glyph);
+ }
+ static unsigned int
+ hb_ot_get_nominal_glyphs (hb_font_t *font HB_UNUSED,
+ void *font_data,
+ unsigned int count,
+ const hb_codepoint_t *first_unicode,
+ unsigned int unicode_stride,
+ hb_codepoint_t *first_glyph,
+ unsigned int glyph_stride,
+ void *user_data HB_UNUSED)
{
! const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data;
! return ot_face->cmap->get_nominal_glyphs (count,
! first_unicode, unicode_stride,
! first_glyph, glyph_stride);
}
static hb_bool_t
hb_ot_get_variation_glyph (hb_font_t *font HB_UNUSED,
void *font_data,
hb_codepoint_t unicode,
hb_codepoint_t variation_selector,
hb_codepoint_t *glyph,
void *user_data HB_UNUSED)
{
! const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data;
! return ot_face->cmap->get_variation_glyph (unicode, variation_selector, glyph);
}
! static void
! hb_ot_get_glyph_h_advances (hb_font_t* font, void* font_data,
! unsigned count,
! const hb_codepoint_t *first_glyph,
! unsigned glyph_stride,
! hb_position_t *first_advance,
! unsigned advance_stride,
void *user_data HB_UNUSED)
{
! const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data;
! const OT::hmtx_accelerator_t &hmtx = *ot_face->hmtx;
!
! for (unsigned int i = 0; i < count; i++)
! {
! *first_advance = font->em_scale_x (hmtx.get_advance (*first_glyph, font));
! first_glyph = &StructAtOffsetUnaligned<hb_codepoint_t> (first_glyph, glyph_stride);
! first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
! }
}
! static void
! hb_ot_get_glyph_v_advances (hb_font_t* font, void* font_data,
! unsigned count,
! const hb_codepoint_t *first_glyph,
! unsigned glyph_stride,
! hb_position_t *first_advance,
! unsigned advance_stride,
void *user_data HB_UNUSED)
{
! const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data;
! const OT::vmtx_accelerator_t &vmtx = *ot_face->vmtx;
!
! for (unsigned int i = 0; i < count; i++)
! {
! *first_advance = font->em_scale_y (-(int) vmtx.get_advance (*first_glyph, font));
! first_glyph = &StructAtOffsetUnaligned<hb_codepoint_t> (first_glyph, glyph_stride);
! first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
! }
}
! static hb_bool_t
! hb_ot_get_glyph_v_origin (hb_font_t *font,
void *font_data,
! hb_codepoint_t glyph,
! hb_position_t *x,
! hb_position_t *y,
void *user_data HB_UNUSED)
{
! const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data;
!
! *x = font->get_glyph_h_advance (glyph) / 2;
!
! const OT::VORG &VORG = *ot_face->VORG;
! if (VORG.has_data ())
! {
! *y = font->em_scale_y (VORG.get_y_origin (glyph));
! return true;
! }
!
! hb_glyph_extents_t extents = {0};
! if (ot_face->glyf->get_extents (glyph, &extents))
! {
! const OT::vmtx_accelerator_t &vmtx = *ot_face->vmtx;
! hb_position_t tsb = vmtx.get_side_bearing (glyph);
! *y = font->em_scale_y (extents.y_bearing + tsb);
! return true;
! }
!
! hb_font_extents_t font_extents;
! font->get_h_extents_with_fallback (&font_extents);
! *y = font_extents.ascender;
!
! return true;
}
static hb_bool_t
hb_ot_get_glyph_extents (hb_font_t *font,
void *font_data,
hb_codepoint_t glyph,
hb_glyph_extents_t *extents,
void *user_data HB_UNUSED)
{
! const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data;
! bool ret = ot_face->sbix->get_extents (font, glyph, extents);
! if (!ret)
! ret = ot_face->glyf->get_extents (glyph, extents);
! if (!ret)
! ret = ot_face->cff1->get_extents (glyph, extents);
if (!ret)
! ret = ot_face->cff2->get_extents (font, glyph, extents);
! if (!ret)
! ret = ot_face->CBDT->get_extents (font, glyph, extents);
// TODO Hook up side-bearings variations.
extents->x_bearing = font->em_scale_x (extents->x_bearing);
extents->y_bearing = font->em_scale_y (extents->y_bearing);
extents->width = font->em_scale_x (extents->width);
extents->height = font->em_scale_y (extents->height);
*** 166,271 ****
void *font_data,
hb_codepoint_t glyph,
char *name, unsigned int size,
void *user_data HB_UNUSED)
{
! const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
! return ot_font->post->get_glyph_name (glyph, name, size);
}
static hb_bool_t
hb_ot_get_glyph_from_name (hb_font_t *font HB_UNUSED,
void *font_data,
const char *name, int len,
hb_codepoint_t *glyph,
void *user_data HB_UNUSED)
{
! const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
! return ot_font->post->get_glyph_from_name (name, len, glyph);
}
static hb_bool_t
hb_ot_get_font_h_extents (hb_font_t *font,
void *font_data,
hb_font_extents_t *metrics,
void *user_data HB_UNUSED)
{
! const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
! metrics->ascender = font->em_scale_y (ot_font->h_metrics.ascender);
! metrics->descender = font->em_scale_y (ot_font->h_metrics.descender);
! metrics->line_gap = font->em_scale_y (ot_font->h_metrics.line_gap);
// TODO Hook up variations.
! return ot_font->h_metrics.has_font_extents;
}
static hb_bool_t
hb_ot_get_font_v_extents (hb_font_t *font,
void *font_data,
hb_font_extents_t *metrics,
void *user_data HB_UNUSED)
{
! const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
! metrics->ascender = font->em_scale_x (ot_font->v_metrics.ascender);
! metrics->descender = font->em_scale_x (ot_font->v_metrics.descender);
! metrics->line_gap = font->em_scale_x (ot_font->v_metrics.line_gap);
// TODO Hook up variations.
! return ot_font->v_metrics.has_font_extents;
}
! static hb_font_funcs_t *static_ot_funcs = nullptr;
!
! #ifdef HB_USE_ATEXIT
! static
! void free_static_ot_funcs (void)
! {
! retry:
! hb_font_funcs_t *ot_funcs = (hb_font_funcs_t *) hb_atomic_ptr_get (&static_ot_funcs);
! if (!hb_atomic_ptr_cmpexch (&static_ot_funcs, ot_funcs, nullptr))
! goto retry;
!
! hb_font_funcs_destroy (ot_funcs);
! }
#endif
! static hb_font_funcs_t *
! _hb_ot_get_font_funcs (void)
{
! retry:
! hb_font_funcs_t *funcs = (hb_font_funcs_t *) hb_atomic_ptr_get (&static_ot_funcs);
!
! if (unlikely (!funcs))
{
! funcs = hb_font_funcs_create ();
hb_font_funcs_set_font_h_extents_func (funcs, hb_ot_get_font_h_extents, nullptr, nullptr);
hb_font_funcs_set_font_v_extents_func (funcs, hb_ot_get_font_v_extents, nullptr, nullptr);
hb_font_funcs_set_nominal_glyph_func (funcs, hb_ot_get_nominal_glyph, nullptr, nullptr);
hb_font_funcs_set_variation_glyph_func (funcs, hb_ot_get_variation_glyph, nullptr, nullptr);
! hb_font_funcs_set_glyph_h_advance_func (funcs, hb_ot_get_glyph_h_advance, nullptr, nullptr);
! hb_font_funcs_set_glyph_v_advance_func (funcs, hb_ot_get_glyph_v_advance, nullptr, nullptr);
//hb_font_funcs_set_glyph_h_origin_func (funcs, hb_ot_get_glyph_h_origin, nullptr, nullptr);
! //hb_font_funcs_set_glyph_v_origin_func (funcs, hb_ot_get_glyph_v_origin, nullptr, nullptr);
! hb_font_funcs_set_glyph_h_kerning_func (funcs, hb_ot_get_glyph_h_kerning, nullptr, nullptr);
! //hb_font_funcs_set_glyph_v_kerning_func (funcs, hb_ot_get_glyph_v_kerning, nullptr, nullptr);
hb_font_funcs_set_glyph_extents_func (funcs, hb_ot_get_glyph_extents, nullptr, nullptr);
//hb_font_funcs_set_glyph_contour_point_func (funcs, hb_ot_get_glyph_contour_point, nullptr, nullptr);
hb_font_funcs_set_glyph_name_func (funcs, hb_ot_get_glyph_name, nullptr, nullptr);
hb_font_funcs_set_glyph_from_name_func (funcs, hb_ot_get_glyph_from_name, nullptr, nullptr);
hb_font_funcs_make_immutable (funcs);
! if (!hb_atomic_ptr_cmpexch (&static_ot_funcs, nullptr, funcs)) {
! hb_font_funcs_destroy (funcs);
! goto retry;
}
! #ifdef HB_USE_ATEXIT
! atexit (free_static_ot_funcs); /* First person registers atexit() callback. */
#endif
- };
! return funcs;
}
/**
* hb_ot_font_set_funcs:
--- 202,302 ----
void *font_data,
hb_codepoint_t glyph,
char *name, unsigned int size,
void *user_data HB_UNUSED)
{
! const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data;
! return ot_face->post->get_glyph_name (glyph, name, size);
}
static hb_bool_t
hb_ot_get_glyph_from_name (hb_font_t *font HB_UNUSED,
void *font_data,
const char *name, int len,
hb_codepoint_t *glyph,
void *user_data HB_UNUSED)
{
! const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data;
! return ot_face->post->get_glyph_from_name (name, len, glyph);
}
static hb_bool_t
hb_ot_get_font_h_extents (hb_font_t *font,
void *font_data,
hb_font_extents_t *metrics,
void *user_data HB_UNUSED)
{
! const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data;
! const OT::hmtx_accelerator_t &hmtx = *ot_face->hmtx;
! metrics->ascender = font->em_scale_y (hmtx.ascender);
! metrics->descender = font->em_scale_y (hmtx.descender);
! metrics->line_gap = font->em_scale_y (hmtx.line_gap);
// TODO Hook up variations.
! return hmtx.has_font_extents;
}
static hb_bool_t
hb_ot_get_font_v_extents (hb_font_t *font,
void *font_data,
hb_font_extents_t *metrics,
void *user_data HB_UNUSED)
{
! const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data;
! const OT::vmtx_accelerator_t &vmtx = *ot_face->vmtx;
! metrics->ascender = font->em_scale_x (vmtx.ascender);
! metrics->descender = font->em_scale_x (vmtx.descender);
! metrics->line_gap = font->em_scale_x (vmtx.line_gap);
// TODO Hook up variations.
! return vmtx.has_font_extents;
}
! #if HB_USE_ATEXIT
! static void free_static_ot_funcs ();
#endif
! static struct hb_ot_font_funcs_lazy_loader_t : hb_font_funcs_lazy_loader_t<hb_ot_font_funcs_lazy_loader_t>
{
! static hb_font_funcs_t *create ()
{
! hb_font_funcs_t *funcs = hb_font_funcs_create ();
hb_font_funcs_set_font_h_extents_func (funcs, hb_ot_get_font_h_extents, nullptr, nullptr);
hb_font_funcs_set_font_v_extents_func (funcs, hb_ot_get_font_v_extents, nullptr, nullptr);
hb_font_funcs_set_nominal_glyph_func (funcs, hb_ot_get_nominal_glyph, nullptr, nullptr);
+ hb_font_funcs_set_nominal_glyphs_func (funcs, hb_ot_get_nominal_glyphs, nullptr, nullptr);
hb_font_funcs_set_variation_glyph_func (funcs, hb_ot_get_variation_glyph, nullptr, nullptr);
! hb_font_funcs_set_glyph_h_advances_func (funcs, hb_ot_get_glyph_h_advances, nullptr, nullptr);
! hb_font_funcs_set_glyph_v_advances_func (funcs, hb_ot_get_glyph_v_advances, nullptr, nullptr);
//hb_font_funcs_set_glyph_h_origin_func (funcs, hb_ot_get_glyph_h_origin, nullptr, nullptr);
! hb_font_funcs_set_glyph_v_origin_func (funcs, hb_ot_get_glyph_v_origin, nullptr, nullptr);
hb_font_funcs_set_glyph_extents_func (funcs, hb_ot_get_glyph_extents, nullptr, nullptr);
//hb_font_funcs_set_glyph_contour_point_func (funcs, hb_ot_get_glyph_contour_point, nullptr, nullptr);
hb_font_funcs_set_glyph_name_func (funcs, hb_ot_get_glyph_name, nullptr, nullptr);
hb_font_funcs_set_glyph_from_name_func (funcs, hb_ot_get_glyph_from_name, nullptr, nullptr);
hb_font_funcs_make_immutable (funcs);
! #if HB_USE_ATEXIT
! atexit (free_static_ot_funcs);
! #endif
!
! return funcs;
}
+ } static_ot_funcs;
! #if HB_USE_ATEXIT
! static
! void free_static_ot_funcs ()
! {
! static_ot_funcs.free_instance ();
! }
#endif
! static hb_font_funcs_t *
! _hb_ot_get_font_funcs ()
! {
! return static_ot_funcs.get_unconst ();
}
/**
* hb_ot_font_set_funcs:
*** 273,286 ****
* Since: 0.9.28
**/
void
hb_ot_font_set_funcs (hb_font_t *font)
{
- hb_ot_font_t *ot_font = _hb_ot_font_create (font->face);
- if (unlikely (!ot_font))
- return;
-
hb_font_set_funcs (font,
_hb_ot_get_font_funcs (),
! ot_font,
! _hb_ot_font_destroy);
}
--- 304,313 ----
* Since: 0.9.28
**/
void
hb_ot_font_set_funcs (hb_font_t *font)
{
hb_font_set_funcs (font,
_hb_ot_get_font_funcs (),
! &font->face->table,
! nullptr);
}
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