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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
commit | 2aa4a82499d4becd2284cdb482213d541b8804dd (patch) | |
tree | b80bf8bf13c3766139fbacc530efd0dd9d54394c /gfx/harfbuzz/src/hb-draw.cc | |
parent | Initial commit. (diff) | |
download | firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip |
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/harfbuzz/src/hb-draw.cc')
-rw-r--r-- | gfx/harfbuzz/src/hb-draw.cc | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/gfx/harfbuzz/src/hb-draw.cc b/gfx/harfbuzz/src/hb-draw.cc new file mode 100644 index 0000000000..1a5f9c8c6b --- /dev/null +++ b/gfx/harfbuzz/src/hb-draw.cc @@ -0,0 +1,261 @@ +/* + * Copyright © 2019-2020 Ebrahim Byagowi + * + * 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. + */ + +#include "hb.hh" + +#ifndef HB_NO_DRAW +#ifdef HB_EXPERIMENTAL_API + +#include "hb-draw.hh" +#include "hb-ot.h" +#include "hb-ot-glyf-table.hh" +#include "hb-ot-cff1-table.hh" +#include "hb-ot-cff2-table.hh" + +/** + * hb_draw_funcs_set_move_to_func: + * @funcs: draw functions object + * @move_to: move-to callback + * + * Sets move-to callback to the draw functions object. + * + * Since: EXPERIMENTAL + **/ +void +hb_draw_funcs_set_move_to_func (hb_draw_funcs_t *funcs, + hb_draw_move_to_func_t move_to) +{ + if (unlikely (hb_object_is_immutable (funcs))) return; + funcs->move_to = move_to; +} + +/** + * hb_draw_funcs_set_line_to_func: + * @funcs: draw functions object + * @line_to: line-to callback + * + * Sets line-to callback to the draw functions object. + * + * Since: EXPERIMENTAL + **/ +void +hb_draw_funcs_set_line_to_func (hb_draw_funcs_t *funcs, + hb_draw_line_to_func_t line_to) +{ + if (unlikely (hb_object_is_immutable (funcs))) return; + funcs->line_to = line_to; +} + +/** + * hb_draw_funcs_set_quadratic_to_func: + * @funcs: draw functions object + * @move_to: quadratic-to callback + * + * Sets quadratic-to callback to the draw functions object. + * + * Since: EXPERIMENTAL + **/ +void +hb_draw_funcs_set_quadratic_to_func (hb_draw_funcs_t *funcs, + hb_draw_quadratic_to_func_t quadratic_to) +{ + if (unlikely (hb_object_is_immutable (funcs))) return; + funcs->quadratic_to = quadratic_to; + funcs->is_quadratic_to_set = true; +} + +/** + * hb_draw_funcs_set_cubic_to_func: + * @funcs: draw functions + * @cubic_to: cubic-to callback + * + * Sets cubic-to callback to the draw functions object. + * + * Since: EXPERIMENTAL + **/ +void +hb_draw_funcs_set_cubic_to_func (hb_draw_funcs_t *funcs, + hb_draw_cubic_to_func_t cubic_to) +{ + if (unlikely (hb_object_is_immutable (funcs))) return; + funcs->cubic_to = cubic_to; +} + +/** + * hb_draw_funcs_set_close_path_func: + * @funcs: draw functions object + * @close_path: close-path callback + * + * Sets close-path callback to the draw functions object. + * + * Since: EXPERIMENTAL + **/ +void +hb_draw_funcs_set_close_path_func (hb_draw_funcs_t *funcs, + hb_draw_close_path_func_t close_path) +{ + if (unlikely (hb_object_is_immutable (funcs))) return; + funcs->close_path = close_path; +} + +static void +_move_to_nil (hb_position_t to_x HB_UNUSED, hb_position_t to_y HB_UNUSED, void *user_data HB_UNUSED) {} + +static void +_line_to_nil (hb_position_t to_x HB_UNUSED, hb_position_t to_y HB_UNUSED, void *user_data HB_UNUSED) {} + +static void +_quadratic_to_nil (hb_position_t control_x HB_UNUSED, hb_position_t control_y HB_UNUSED, + hb_position_t to_x HB_UNUSED, hb_position_t to_y HB_UNUSED, + void *user_data HB_UNUSED) {} + +static void +_cubic_to_nil (hb_position_t control1_x HB_UNUSED, hb_position_t control1_y HB_UNUSED, + hb_position_t control2_x HB_UNUSED, hb_position_t control2_y HB_UNUSED, + hb_position_t to_x HB_UNUSED, hb_position_t to_y HB_UNUSED, + void *user_data HB_UNUSED) {} + +static void +_close_path_nil (void *user_data HB_UNUSED) {} + +/** + * hb_draw_funcs_create: + * + * Creates a new draw callbacks object. + * + * Since: EXPERIMENTAL + **/ +hb_draw_funcs_t * +hb_draw_funcs_create () +{ + hb_draw_funcs_t *funcs; + if (unlikely (!(funcs = hb_object_create<hb_draw_funcs_t> ()))) + return const_cast<hb_draw_funcs_t *> (&Null (hb_draw_funcs_t)); + + funcs->move_to = (hb_draw_move_to_func_t) _move_to_nil; + funcs->line_to = (hb_draw_line_to_func_t) _line_to_nil; + funcs->quadratic_to = (hb_draw_quadratic_to_func_t) _quadratic_to_nil; + funcs->is_quadratic_to_set = false; + funcs->cubic_to = (hb_draw_cubic_to_func_t) _cubic_to_nil; + funcs->close_path = (hb_draw_close_path_func_t) _close_path_nil; + return funcs; +} + +/** + * hb_draw_funcs_reference: + * @funcs: draw functions + * + * Add to callbacks object refcount. + * + * Returns: The same object. + * Since: EXPERIMENTAL + **/ +hb_draw_funcs_t * +hb_draw_funcs_reference (hb_draw_funcs_t *funcs) +{ + return hb_object_reference (funcs); +} + +/** + * hb_draw_funcs_destroy: + * @funcs: draw functions + * + * Decreases refcount of callbacks object and deletes the object if it reaches + * to zero. + * + * Since: EXPERIMENTAL + **/ +void +hb_draw_funcs_destroy (hb_draw_funcs_t *funcs) +{ + if (!hb_object_destroy (funcs)) return; + + free (funcs); +} + +/** + * hb_draw_funcs_make_immutable: + * @funcs: draw functions + * + * Makes funcs object immutable. + * + * Since: EXPERIMENTAL + **/ +void +hb_draw_funcs_make_immutable (hb_draw_funcs_t *funcs) +{ + if (hb_object_is_immutable (funcs)) + return; + + hb_object_make_immutable (funcs); +} + +/** + * hb_draw_funcs_is_immutable: + * @funcs: draw functions + * + * Checks whether funcs is immutable. + * + * Returns: If is immutable. + * Since: EXPERIMENTAL + **/ +hb_bool_t +hb_draw_funcs_is_immutable (hb_draw_funcs_t *funcs) +{ + return hb_object_is_immutable (funcs); +} + +/** + * hb_font_draw_glyph: + * @font: a font object + * @glyph: a glyph id + * @funcs: draw callbacks object + * @user_data: parameter you like be passed to the callbacks when are called + * + * Draw a glyph. + * + * Returns: Whether the font had the glyph and the operation completed successfully. + * Since: EXPERIMENTAL + **/ +hb_bool_t +hb_font_draw_glyph (hb_font_t *font, hb_codepoint_t glyph, + const hb_draw_funcs_t *funcs, + void *user_data) +{ + if (unlikely (funcs == &Null (hb_draw_funcs_t) || + glyph >= font->face->get_num_glyphs ())) + return false; + + draw_helper_t draw_helper (funcs, user_data); + if (font->face->table.glyf->get_path (font, glyph, draw_helper)) return true; +#ifndef HB_NO_CFF + if (font->face->table.cff1->get_path (font, glyph, draw_helper)) return true; + if (font->face->table.cff2->get_path (font, glyph, draw_helper)) return true; +#endif + + return false; +} + +#endif +#endif |