diff options
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cff2-table.cc')
-rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cff2-table.cc | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cff2-table.cc b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cff2-table.cc deleted file mode 100644 index ac0feeee21b..00000000000 --- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cff2-table.cc +++ /dev/null @@ -1,215 +0,0 @@ -/* - * Copyright © 2018 Adobe Inc. - * - * 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. - * - * Adobe Author(s): Michiharu Ariza - */ - -#include "hb.hh" - -#ifndef HB_NO_OT_FONT_CFF - -#include "hb-ot-cff2-table.hh" -#include "hb-cff2-interp-cs.hh" -#include "hb-draw.hh" - -using namespace CFF; - -struct cff2_extents_param_t -{ - void init () - { - path_open = false; - min_x.set_int (INT_MAX); - min_y.set_int (INT_MAX); - max_x.set_int (INT_MIN); - max_y.set_int (INT_MIN); - } - - void start_path () { path_open = true; } - void end_path () { path_open = false; } - bool is_path_open () const { return path_open; } - - void update_bounds (const point_t &pt) - { - if (pt.x < min_x) min_x = pt.x; - if (pt.x > max_x) max_x = pt.x; - if (pt.y < min_y) min_y = pt.y; - if (pt.y > max_y) max_y = pt.y; - } - - bool path_open; - number_t min_x; - number_t min_y; - number_t max_x; - number_t max_y; -}; - -struct cff2_path_procs_extents_t : path_procs_t<cff2_path_procs_extents_t, cff2_cs_interp_env_t, cff2_extents_param_t> -{ - static void moveto (cff2_cs_interp_env_t &env, cff2_extents_param_t& param, const point_t &pt) - { - param.end_path (); - env.moveto (pt); - } - - static void line (cff2_cs_interp_env_t &env, cff2_extents_param_t& param, const point_t &pt1) - { - if (!param.is_path_open ()) - { - param.start_path (); - param.update_bounds (env.get_pt ()); - } - env.moveto (pt1); - param.update_bounds (env.get_pt ()); - } - - static void curve (cff2_cs_interp_env_t &env, cff2_extents_param_t& param, const point_t &pt1, const point_t &pt2, const point_t &pt3) - { - if (!param.is_path_open ()) - { - param.start_path (); - param.update_bounds (env.get_pt ()); - } - /* include control points */ - param.update_bounds (pt1); - param.update_bounds (pt2); - env.moveto (pt3); - param.update_bounds (env.get_pt ()); - } -}; - -struct cff2_cs_opset_extents_t : cff2_cs_opset_t<cff2_cs_opset_extents_t, cff2_extents_param_t, cff2_path_procs_extents_t> {}; - -bool OT::cff2::accelerator_t::get_extents (hb_font_t *font, - hb_codepoint_t glyph, - hb_glyph_extents_t *extents) const -{ -#ifdef HB_NO_OT_FONT_CFF - /* XXX Remove check when this code moves to .hh file. */ - return true; -#endif - - if (unlikely (!is_valid () || (glyph >= num_glyphs))) return false; - - unsigned int fd = fdSelect->get_fd (glyph); - cff2_cs_interpreter_t<cff2_cs_opset_extents_t, cff2_extents_param_t> interp; - const byte_str_t str = (*charStrings)[glyph]; - interp.env.init (str, *this, fd, font->coords, font->num_coords); - cff2_extents_param_t param; - param.init (); - if (unlikely (!interp.interpret (param))) return false; - - if (param.min_x >= param.max_x) - { - extents->width = 0; - extents->x_bearing = 0; - } - else - { - extents->x_bearing = font->em_scalef_x (param.min_x.to_real ()); - extents->width = font->em_scalef_x (param.max_x.to_real () - param.min_x.to_real ()); - } - if (param.min_y >= param.max_y) - { - extents->height = 0; - extents->y_bearing = 0; - } - else - { - extents->y_bearing = font->em_scalef_y (param.max_y.to_real ()); - extents->height = font->em_scalef_y (param.min_y.to_real () - param.max_y.to_real ()); - } - - return true; -} - -#ifdef HB_EXPERIMENTAL_API -struct cff2_path_param_t -{ - cff2_path_param_t (hb_font_t *font_, draw_helper_t &draw_helper_) - { - draw_helper = &draw_helper_; - font = font_; - } - - void move_to (const point_t &p) - { draw_helper->move_to (font->em_scalef_x (p.x.to_real ()), font->em_scalef_y (p.y.to_real ())); } - - void line_to (const point_t &p) - { draw_helper->line_to (font->em_scalef_x (p.x.to_real ()), font->em_scalef_y (p.y.to_real ())); } - - void cubic_to (const point_t &p1, const point_t &p2, const point_t &p3) - { - draw_helper->cubic_to (font->em_scalef_x (p1.x.to_real ()), font->em_scalef_y (p1.y.to_real ()), - font->em_scalef_x (p2.x.to_real ()), font->em_scalef_y (p2.y.to_real ()), - font->em_scalef_x (p3.x.to_real ()), font->em_scalef_y (p3.y.to_real ())); - } - - protected: - draw_helper_t *draw_helper; - hb_font_t *font; -}; - -struct cff2_path_procs_path_t : path_procs_t<cff2_path_procs_path_t, cff2_cs_interp_env_t, cff2_path_param_t> -{ - static void moveto (cff2_cs_interp_env_t &env, cff2_path_param_t& param, const point_t &pt) - { - param.move_to (pt); - env.moveto (pt); - } - - static void line (cff2_cs_interp_env_t &env, cff2_path_param_t& param, const point_t &pt1) - { - param.line_to (pt1); - env.moveto (pt1); - } - - static void curve (cff2_cs_interp_env_t &env, cff2_path_param_t& param, const point_t &pt1, const point_t &pt2, const point_t &pt3) - { - param.cubic_to (pt1, pt2, pt3); - env.moveto (pt3); - } -}; - -struct cff2_cs_opset_path_t : cff2_cs_opset_t<cff2_cs_opset_path_t, cff2_path_param_t, cff2_path_procs_path_t> {}; - -bool OT::cff2::accelerator_t::get_path (hb_font_t *font, hb_codepoint_t glyph, draw_helper_t &draw_helper) const -{ -#ifdef HB_NO_OT_FONT_CFF - /* XXX Remove check when this code moves to .hh file. */ - return true; -#endif - - if (unlikely (!is_valid () || (glyph >= num_glyphs))) return false; - - unsigned int fd = fdSelect->get_fd (glyph); - cff2_cs_interpreter_t<cff2_cs_opset_path_t, cff2_path_param_t> interp; - const byte_str_t str = (*charStrings)[glyph]; - interp.env.init (str, *this, fd, font->coords, font->num_coords); - cff2_path_param_t param (font, draw_helper); - if (unlikely (!interp.interpret (param))) return false; - return true; -} -#endif - -#endif |