diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-ot-cff1-table.cc')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-ot-cff1-table.cc | 280 |
1 files changed, 252 insertions, 28 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-cff1-table.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-cff1-table.cc index 55abd11d61..66df28aae1 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-cff1-table.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-cff1-table.cc @@ -28,11 +28,25 @@ #ifndef HB_NO_CFF +#include "hb-draw.hh" +#include "hb-algs.hh" #include "hb-ot-cff1-table.hh" #include "hb-cff1-interp-cs.hh" using namespace CFF; +struct sid_to_gid_t +{ + uint16_t sid; + uint8_t gid; + + int cmp (uint16_t a) const + { + if (a == sid) return 0; + return (a < sid) ? -1 : 1; + } +}; + /* SID to code */ static const uint8_t standard_encoding_to_code [] = { @@ -104,6 +118,80 @@ static const uint16_t expert_subset_charset_to_sid [] = 340, 341, 342, 343, 344, 345, 346 }; +/* SID to glyph ID */ +static const sid_to_gid_t expert_charset_sid_to_gid [] = +{ + { 1, 1 }, { 13, 12 }, { 14, 13 }, { 15, 14 }, + { 27, 26 }, { 28, 27 }, { 99, 15 }, { 109, 46 }, + { 110, 47 }, { 150, 111 }, { 155, 101 }, { 158, 100 }, + { 163, 102 }, { 164, 112 }, { 169, 113 }, { 229, 2 }, + { 230, 3 }, { 231, 4 }, { 232, 5 }, { 233, 6 }, + { 234, 7 }, { 235, 8 }, { 236, 9 }, { 237, 10 }, + { 238, 11 }, { 239, 16 }, { 240, 17 }, { 241, 18 }, + { 242, 19 }, { 243, 20 }, { 244, 21 }, { 245, 22 }, + { 246, 23 }, { 247, 24 }, { 248, 25 }, { 249, 28 }, + { 250, 29 }, { 251, 30 }, { 252, 31 }, { 253, 32 }, + { 254, 33 }, { 255, 34 }, { 256, 35 }, { 257, 36 }, + { 258, 37 }, { 259, 38 }, { 260, 39 }, { 261, 40 }, + { 262, 41 }, { 263, 42 }, { 264, 43 }, { 265, 44 }, + { 266, 45 }, { 267, 48 }, { 268, 49 }, { 269, 50 }, + { 270, 51 }, { 271, 52 }, { 272, 53 }, { 273, 54 }, + { 274, 55 }, { 275, 56 }, { 276, 57 }, { 277, 58 }, + { 278, 59 }, { 279, 60 }, { 280, 61 }, { 281, 62 }, + { 282, 63 }, { 283, 64 }, { 284, 65 }, { 285, 66 }, + { 286, 67 }, { 287, 68 }, { 288, 69 }, { 289, 70 }, + { 290, 71 }, { 291, 72 }, { 292, 73 }, { 293, 74 }, + { 294, 75 }, { 295, 76 }, { 296, 77 }, { 297, 78 }, + { 298, 79 }, { 299, 80 }, { 300, 81 }, { 301, 82 }, + { 302, 83 }, { 303, 84 }, { 304, 85 }, { 305, 86 }, + { 306, 87 }, { 307, 88 }, { 308, 89 }, { 309, 90 }, + { 310, 91 }, { 311, 92 }, { 312, 93 }, { 313, 94 }, + { 314, 95 }, { 315, 96 }, { 316, 97 }, { 317, 98 }, + { 318, 99 }, { 319, 103 }, { 320, 104 }, { 321, 105 }, + { 322, 106 }, { 323, 107 }, { 324, 108 }, { 325, 109 }, + { 326, 110 }, { 327, 114 }, { 328, 115 }, { 329, 116 }, + { 330, 117 }, { 331, 118 }, { 332, 119 }, { 333, 120 }, + { 334, 121 }, { 335, 122 }, { 336, 123 }, { 337, 124 }, + { 338, 125 }, { 339, 126 }, { 340, 127 }, { 341, 128 }, + { 342, 129 }, { 343, 130 }, { 344, 131 }, { 345, 132 }, + { 346, 133 }, { 347, 134 }, { 348, 135 }, { 349, 136 }, + { 350, 137 }, { 351, 138 }, { 352, 139 }, { 353, 140 }, + { 354, 141 }, { 355, 142 }, { 356, 143 }, { 357, 144 }, + { 358, 145 }, { 359, 146 }, { 360, 147 }, { 361, 148 }, + { 362, 149 }, { 363, 150 }, { 364, 151 }, { 365, 152 }, + { 366, 153 }, { 367, 154 }, { 368, 155 }, { 369, 156 }, + { 370, 157 }, { 371, 158 }, { 372, 159 }, { 373, 160 }, + { 374, 161 }, { 375, 162 }, { 376, 163 }, { 377, 164 }, + { 378, 165 } +}; + +/* SID to glyph ID */ +static const sid_to_gid_t expert_subset_charset_sid_to_gid [] = +{ + { 1, 1 }, { 13, 8 }, { 14, 9 }, { 15, 10 }, + { 27, 22 }, { 28, 23 }, { 99, 11 }, { 109, 41 }, + { 110, 42 }, { 150, 64 }, { 155, 55 }, { 158, 54 }, + { 163, 56 }, { 164, 65 }, { 169, 66 }, { 231, 2 }, + { 232, 3 }, { 235, 4 }, { 236, 5 }, { 237, 6 }, + { 238, 7 }, { 239, 12 }, { 240, 13 }, { 241, 14 }, + { 242, 15 }, { 243, 16 }, { 244, 17 }, { 245, 18 }, + { 246, 19 }, { 247, 20 }, { 248, 21 }, { 249, 24 }, + { 250, 25 }, { 251, 26 }, { 253, 27 }, { 254, 28 }, + { 255, 29 }, { 256, 30 }, { 257, 31 }, { 258, 32 }, + { 259, 33 }, { 260, 34 }, { 261, 35 }, { 262, 36 }, + { 263, 37 }, { 264, 38 }, { 265, 39 }, { 266, 40 }, + { 267, 43 }, { 268, 44 }, { 269, 45 }, { 270, 46 }, + { 272, 47 }, { 300, 48 }, { 301, 49 }, { 302, 50 }, + { 305, 51 }, { 314, 52 }, { 315, 53 }, { 320, 57 }, + { 321, 58 }, { 322, 59 }, { 323, 60 }, { 324, 61 }, + { 325, 62 }, { 326, 63 }, { 327, 67 }, { 328, 68 }, + { 329, 69 }, { 330, 70 }, { 331, 71 }, { 332, 72 }, + { 333, 73 }, { 334, 74 }, { 335, 75 }, { 336, 76 }, + { 337, 77 }, { 338, 78 }, { 339, 79 }, { 340, 80 }, + { 341, 81 }, { 342, 82 }, { 343, 83 }, { 344, 84 }, + { 345, 85 }, { 346, 86 } +}; + /* code to SID */ static const uint8_t standard_encoding_to_sid [] = { @@ -157,6 +245,18 @@ hb_codepoint_t OT::cff1::lookup_expert_subset_charset_for_sid (hb_codepoint_t gl return 0; } +hb_codepoint_t OT::cff1::lookup_expert_charset_for_glyph (hb_codepoint_t sid) +{ + const auto *pair = hb_sorted_array (expert_charset_sid_to_gid).bsearch (sid); + return pair ? pair->gid : 0; +} + +hb_codepoint_t OT::cff1::lookup_expert_subset_charset_for_glyph (hb_codepoint_t sid) +{ + const auto *pair = hb_sorted_array (expert_subset_charset_sid_to_gid).bsearch (sid); + return pair ? pair->gid : 0; +} + hb_codepoint_t OT::cff1::lookup_standard_encoding_for_sid (hb_codepoint_t code) { if (code < ARRAY_LENGTH (standard_encoding_to_sid)) @@ -211,10 +311,8 @@ struct bounds_t struct cff1_extents_param_t { - void init (const OT::cff1::accelerator_t *_cff) + cff1_extents_param_t (const OT::cff1::accelerator_t *_cff) : cff (_cff) { - path_open = false; - cff = _cff; bounds.init (); } @@ -222,7 +320,7 @@ struct cff1_extents_param_t void end_path () { path_open = false; } bool is_path_open () const { return path_open; } - bool path_open; + bool path_open = false; bounds_t bounds; const OT::cff1::accelerator_t *cff; @@ -295,12 +393,11 @@ bool _get_bounds (const OT::cff1::accelerator_t *cff, hb_codepoint_t glyph, boun if (unlikely (!cff->is_valid () || (glyph >= cff->num_glyphs))) return false; unsigned int fd = cff->fdSelect->get_fd (glyph); - cff1_cs_interpreter_t<cff1_cs_opset_extents_t, cff1_extents_param_t> interp; - const byte_str_t str = (*cff->charStrings)[glyph]; - interp.env.init (str, *cff, fd); - interp.env.set_in_seac (in_seac); - cff1_extents_param_t param; - param.init (cff); + const hb_ubytes_t str = (*cff->charStrings)[glyph]; + cff1_cs_interp_env_t env (str, *cff, fd); + env.set_in_seac (in_seac); + cff1_cs_interpreter_t<cff1_cs_opset_extents_t, cff1_extents_param_t> interp (env); + cff1_extents_param_t param (cff); if (unlikely (!interp.interpret (param))) return false; bounds = param.bounds; return true; @@ -325,8 +422,8 @@ bool OT::cff1::accelerator_t::get_extents (hb_font_t *font, hb_codepoint_t glyph } else { - extents->x_bearing = font->em_scalef_x (bounds.min.x.to_real ()); - extents->width = font->em_scalef_x (bounds.max.x.to_real () - bounds.min.x.to_real ()); + extents->x_bearing = roundf (bounds.min.x.to_real ()); + extents->width = roundf (bounds.max.x.to_real () - extents->x_bearing); } if (bounds.min.y >= bounds.max.y) { @@ -335,27 +432,155 @@ bool OT::cff1::accelerator_t::get_extents (hb_font_t *font, hb_codepoint_t glyph } else { - extents->y_bearing = font->em_scalef_y (bounds.max.y.to_real ()); - extents->height = font->em_scalef_y (bounds.min.y.to_real () - bounds.max.y.to_real ()); + extents->y_bearing = roundf (bounds.max.y.to_real ()); + extents->height = roundf (bounds.min.y.to_real () - extents->y_bearing); } + font->scale_glyph_extents (extents); + return true; } -struct get_seac_param_t +struct cff1_path_param_t { - void init (const OT::cff1::accelerator_t *_cff) + cff1_path_param_t (const OT::cff1::accelerator_t *cff_, hb_font_t *font_, + hb_draw_session_t &draw_session_, point_t *delta_) { - cff = _cff; - base = 0; - accent = 0; + draw_session = &draw_session_; + cff = cff_; + font = font_; + delta = delta_; } - bool has_seac () const { return base && accent; } + void move_to (const point_t &p) + { + point_t point = p; + if (delta) point.move (*delta); + draw_session->move_to (font->em_fscalef_x (point.x.to_real ()), font->em_fscalef_y (point.y.to_real ())); + } + + void line_to (const point_t &p) + { + point_t point = p; + if (delta) point.move (*delta); + draw_session->line_to (font->em_fscalef_x (point.x.to_real ()), font->em_fscalef_y (point.y.to_real ())); + } + + void cubic_to (const point_t &p1, const point_t &p2, const point_t &p3) + { + point_t point1 = p1, point2 = p2, point3 = p3; + if (delta) + { + point1.move (*delta); + point2.move (*delta); + point3.move (*delta); + } + draw_session->cubic_to (font->em_fscalef_x (point1.x.to_real ()), font->em_fscalef_y (point1.y.to_real ()), + font->em_fscalef_x (point2.x.to_real ()), font->em_fscalef_y (point2.y.to_real ()), + font->em_fscalef_x (point3.x.to_real ()), font->em_fscalef_y (point3.y.to_real ())); + } + + void end_path () { draw_session->close_path (); } + + hb_font_t *font; + hb_draw_session_t *draw_session; + point_t *delta; const OT::cff1::accelerator_t *cff; - hb_codepoint_t base; - hb_codepoint_t accent; +}; + +struct cff1_path_procs_path_t : path_procs_t<cff1_path_procs_path_t, cff1_cs_interp_env_t, cff1_path_param_t> +{ + static void moveto (cff1_cs_interp_env_t &env, cff1_path_param_t& param, const point_t &pt) + { + param.move_to (pt); + env.moveto (pt); + } + + static void line (cff1_cs_interp_env_t &env, cff1_path_param_t ¶m, const point_t &pt1) + { + param.line_to (pt1); + env.moveto (pt1); + } + + static void curve (cff1_cs_interp_env_t &env, cff1_path_param_t ¶m, const point_t &pt1, const point_t &pt2, const point_t &pt3) + { + param.cubic_to (pt1, pt2, pt3); + env.moveto (pt3); + } +}; + +static bool _get_path (const OT::cff1::accelerator_t *cff, hb_font_t *font, hb_codepoint_t glyph, + hb_draw_session_t &draw_session, bool in_seac = false, point_t *delta = nullptr); + +struct cff1_cs_opset_path_t : cff1_cs_opset_t<cff1_cs_opset_path_t, cff1_path_param_t, cff1_path_procs_path_t> +{ + static void process_seac (cff1_cs_interp_env_t &env, cff1_path_param_t& param) + { + /* End previous path */ + param.end_path (); + + unsigned int n = env.argStack.get_count (); + point_t delta; + delta.x = env.argStack[n-4]; + delta.y = env.argStack[n-3]; + hb_codepoint_t base = param.cff->std_code_to_glyph (env.argStack[n-2].to_int ()); + hb_codepoint_t accent = param.cff->std_code_to_glyph (env.argStack[n-1].to_int ()); + + if (unlikely (!(!env.in_seac && base && accent + && _get_path (param.cff, param.font, base, *param.draw_session, true) + && _get_path (param.cff, param.font, accent, *param.draw_session, true, &delta)))) + env.set_error (); + } +}; + +bool _get_path (const OT::cff1::accelerator_t *cff, hb_font_t *font, hb_codepoint_t glyph, + hb_draw_session_t &draw_session, bool in_seac, point_t *delta) +{ + if (unlikely (!cff->is_valid () || (glyph >= cff->num_glyphs))) return false; + + unsigned int fd = cff->fdSelect->get_fd (glyph); + const hb_ubytes_t str = (*cff->charStrings)[glyph]; + cff1_cs_interp_env_t env (str, *cff, fd); + env.set_in_seac (in_seac); + cff1_cs_interpreter_t<cff1_cs_opset_path_t, cff1_path_param_t> interp (env); + cff1_path_param_t param (cff, font, draw_session, delta); + if (unlikely (!interp.interpret (param))) return false; + + /* Let's end the path specially since it is called inside seac also */ + param.end_path (); + + return true; +} + +bool OT::cff1::accelerator_t::paint_glyph (hb_font_t *font, hb_codepoint_t glyph, hb_paint_funcs_t *funcs, void *data, hb_color_t foreground) const +{ + funcs->push_clip_glyph (data, glyph, font); + funcs->color (data, true, foreground); + funcs->pop_clip (data); + + return true; +} + +bool OT::cff1::accelerator_t::get_path (hb_font_t *font, hb_codepoint_t glyph, hb_draw_session_t &draw_session) const +{ +#ifdef HB_NO_OT_FONT_CFF + /* XXX Remove check when this code moves to .hh file. */ + return true; +#endif + + return _get_path (this, font, glyph, draw_session); +} + +struct get_seac_param_t +{ + get_seac_param_t (const OT::cff1::accelerator_subset_t *_cff) : cff (_cff) {} + + bool has_seac () const { return base && accent; } + + const OT::cff1::accelerator_subset_t *cff; + hb_codepoint_t base = 0; + hb_codepoint_t accent = 0; }; struct cff1_cs_opset_seac_t : cff1_cs_opset_t<cff1_cs_opset_seac_t, get_seac_param_t> @@ -371,16 +596,15 @@ struct cff1_cs_opset_seac_t : cff1_cs_opset_t<cff1_cs_opset_seac_t, get_seac_par } }; -bool OT::cff1::accelerator_t::get_seac_components (hb_codepoint_t glyph, hb_codepoint_t *base, hb_codepoint_t *accent) const +bool OT::cff1::accelerator_subset_t::get_seac_components (hb_codepoint_t glyph, hb_codepoint_t *base, hb_codepoint_t *accent) const { if (unlikely (!is_valid () || (glyph >= num_glyphs))) return false; unsigned int fd = fdSelect->get_fd (glyph); - cff1_cs_interpreter_t<cff1_cs_opset_seac_t, get_seac_param_t> interp; - const byte_str_t str = (*charStrings)[glyph]; - interp.env.init (str, *this, fd); - get_seac_param_t param; - param.init (this); + const hb_ubytes_t str = (*charStrings)[glyph]; + cff1_cs_interp_env_t env (str, *this, fd); + cff1_cs_interpreter_t<cff1_cs_opset_seac_t, get_seac_param_t> interp (env); + get_seac_param_t param (this); if (unlikely (!interp.interpret (param))) return false; if (param.has_seac ()) |