#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 [] =
{
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 [] =
{
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))
return true;
}
+#ifdef HB_EXPERIMENTAL_API
+struct cff1_path_param_t
+{
+ cff1_path_param_t (const OT::cff1::accelerator_t *cff_, hb_font_t *font_,
+ draw_helper_t &draw_helper_, point_t *delta_)
+ {
+ draw_helper = &draw_helper_;
+ cff = cff_;
+ font = font_;
+ delta = delta_;
+ }
+
+ void move_to (const point_t &p)
+ {
+ point_t point = p;
+ if (delta) point.move (*delta);
+ draw_helper->move_to (font->em_scalef_x (point.x.to_real ()), font->em_scalef_y (point.y.to_real ()));
+ }
+
+ void line_to (const point_t &p)
+ {
+ point_t point = p;
+ if (delta) point.move (*delta);
+ draw_helper->line_to (font->em_scalef_x (point.x.to_real ()), font->em_scalef_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_helper->cubic_to (font->em_scalef_x (point1.x.to_real ()), font->em_scalef_y (point1.y.to_real ()),
+ font->em_scalef_x (point2.x.to_real ()), font->em_scalef_y (point2.y.to_real ()),
+ font->em_scalef_x (point3.x.to_real ()), font->em_scalef_y (point3.y.to_real ()));
+ }
+
+ void end_path () { draw_helper->end_path (); }
+
+ hb_font_t *font;
+ draw_helper_t *draw_helper;
+ point_t *delta;
+
+ const OT::cff1::accelerator_t *cff;
+};
+
+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,
+ draw_helper_t &draw_helper, 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_helper, true)
+ && _get_path (param.cff, param.font, accent, *param.draw_helper, true, &delta))))
+ env.set_error ();
+ }
+};
+
+bool _get_path (const OT::cff1::accelerator_t *cff, hb_font_t *font, hb_codepoint_t glyph,
+ draw_helper_t &draw_helper, 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);
+ cff1_cs_interpreter_t<cff1_cs_opset_path_t, cff1_path_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_path_param_t param (cff, font, draw_helper, 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::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
+
+ return _get_path (this, font, glyph, draw_helper);
+}
+#endif
+
struct get_seac_param_t
{
void init (const OT::cff1::accelerator_t *_cff)
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