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/*
* Copyright © 2026 Behdad Esfahbod
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Author(s): Behdad Esfahbod
*/
#include "hb.hh"
#include "hb-machinery.hh"
#include "hb-vector-svg-path.hh"
#include "hb-vector-svg-utils.hh"
static void
hb_svg_path_move_to (hb_draw_funcs_t *,
void *draw_data,
hb_draw_state_t *,
float to_x, float to_y,
void *)
{
auto *s = (hb_svg_path_sink_t *) draw_data;
hb_svg_append_c (s->path, 'M');
hb_svg_append_num (s->path, to_x, s->precision);
hb_svg_append_c (s->path, ',');
hb_svg_append_num (s->path, to_y, s->precision);
}
static void
hb_svg_path_line_to (hb_draw_funcs_t *,
void *draw_data,
hb_draw_state_t *,
float to_x, float to_y,
void *)
{
auto *s = (hb_svg_path_sink_t *) draw_data;
hb_svg_append_c (s->path, 'L');
hb_svg_append_num (s->path, to_x, s->precision);
hb_svg_append_c (s->path, ',');
hb_svg_append_num (s->path, to_y, s->precision);
}
static void
hb_svg_path_quadratic_to (hb_draw_funcs_t *,
void *draw_data,
hb_draw_state_t *,
float cx, float cy,
float to_x, float to_y,
void *)
{
auto *s = (hb_svg_path_sink_t *) draw_data;
hb_svg_append_c (s->path, 'Q');
hb_svg_append_num (s->path, cx, s->precision);
hb_svg_append_c (s->path, ',');
hb_svg_append_num (s->path, cy, s->precision);
hb_svg_append_c (s->path, ' ');
hb_svg_append_num (s->path, to_x, s->precision);
hb_svg_append_c (s->path, ',');
hb_svg_append_num (s->path, to_y, s->precision);
}
static void
hb_svg_path_cubic_to (hb_draw_funcs_t *,
void *draw_data,
hb_draw_state_t *,
float c1x, float c1y,
float c2x, float c2y,
float to_x, float to_y,
void *)
{
auto *s = (hb_svg_path_sink_t *) draw_data;
hb_svg_append_c (s->path, 'C');
hb_svg_append_num (s->path, c1x, s->precision);
hb_svg_append_c (s->path, ',');
hb_svg_append_num (s->path, c1y, s->precision);
hb_svg_append_c (s->path, ' ');
hb_svg_append_num (s->path, c2x, s->precision);
hb_svg_append_c (s->path, ',');
hb_svg_append_num (s->path, c2y, s->precision);
hb_svg_append_c (s->path, ' ');
hb_svg_append_num (s->path, to_x, s->precision);
hb_svg_append_c (s->path, ',');
hb_svg_append_num (s->path, to_y, s->precision);
}
static void
hb_svg_path_close_path (hb_draw_funcs_t *,
void *draw_data,
hb_draw_state_t *,
void *)
{
auto *s = (hb_svg_path_sink_t *) draw_data;
hb_svg_append_c (s->path, 'Z');
}
static inline void
free_static_svg_path_draw_funcs ();
static struct hb_svg_path_draw_funcs_lazy_loader_t
: hb_draw_funcs_lazy_loader_t<hb_svg_path_draw_funcs_lazy_loader_t>
{
static hb_draw_funcs_t *create ()
{
hb_draw_funcs_t *funcs = hb_draw_funcs_create ();
hb_draw_funcs_set_move_to_func (funcs, (hb_draw_move_to_func_t) hb_svg_path_move_to, nullptr, nullptr);
hb_draw_funcs_set_line_to_func (funcs, (hb_draw_line_to_func_t) hb_svg_path_line_to, nullptr, nullptr);
hb_draw_funcs_set_quadratic_to_func (funcs, (hb_draw_quadratic_to_func_t) hb_svg_path_quadratic_to, nullptr, nullptr);
hb_draw_funcs_set_cubic_to_func (funcs, (hb_draw_cubic_to_func_t) hb_svg_path_cubic_to, nullptr, nullptr);
hb_draw_funcs_set_close_path_func (funcs, (hb_draw_close_path_func_t) hb_svg_path_close_path, nullptr, nullptr);
hb_draw_funcs_make_immutable (funcs);
hb_atexit (free_static_svg_path_draw_funcs);
return funcs;
}
} static_svg_path_draw_funcs;
static inline void
free_static_svg_path_draw_funcs ()
{
static_svg_path_draw_funcs.free_instance ();
}
hb_draw_funcs_t *
hb_svg_path_draw_funcs_get (void)
{
return static_svg_path_draw_funcs.get_unconst ();
}