Start building HarfBuzz+Skia example

(prevent bitrot in example code)

tools/using_skia_and_harfbuzz.cpp was written by aam@:
  https://github.com/aam/skiaex

update HarfBuzz to latest release: 1.2.7

BUG=skia:4742
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1940393002

Review-Url: https://codereview.chromium.org/1940393002

1 files changed, 400 insertions, 0 deletions

diff --git a/third_party/harfbuzz/hb-ot-shape-complex-myanmar-machine.hh b/third_party/harfbuzz/hb-ot-shape-complex-myanmar-machine.hh
new file mode 100644
index 0000000000..29fdf9a1ae
--- /dev/null
+++ b/third_party/harfbuzz/hb-ot-shape-complex-myanmar-machine.hh
@@ -0,0 +1,400 @@
+
+#line 1 "hb-ot-shape-complex-myanmar-machine.rl"
+/*
+ * Copyright © 2011,2012  Google, 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.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_OT_SHAPE_COMPLEX_MYANMAR_MACHINE_HH
+#define HB_OT_SHAPE_COMPLEX_MYANMAR_MACHINE_HH
+
+#include "hb-private.hh"
+
+
+#line 36 "hb-ot-shape-complex-myanmar-machine.hh"
+static const unsigned char _myanmar_syllable_machine_trans_keys[] = {
+	1u, 31u, 3u, 30u, 5u, 29u, 5u, 8u, 5u, 29u, 3u, 25u, 5u, 25u, 5u, 25u, 
+	3u, 29u, 3u, 29u, 3u, 29u, 3u, 29u, 1u, 16u, 3u, 29u, 3u, 29u, 3u, 29u, 
+	3u, 29u, 3u, 29u, 3u, 29u, 3u, 29u, 3u, 29u, 3u, 29u, 5u, 29u, 5u, 8u, 
+	5u, 29u, 3u, 25u, 5u, 25u, 5u, 25u, 3u, 29u, 3u, 29u, 3u, 29u, 3u, 29u, 
+	3u, 30u, 3u, 29u, 1u, 30u, 3u, 29u, 3u, 29u, 3u, 29u, 3u, 29u, 3u, 29u, 
+	3u, 29u, 3u, 29u, 3u, 29u, 3u, 29u, 8u, 8u, 0
+};
+
+static const char _myanmar_syllable_machine_key_spans[] = {
+	31, 28, 25, 4, 25, 23, 21, 21, 
+	27, 27, 27, 27, 16, 27, 27, 27, 
+	27, 27, 27, 27, 27, 27, 25, 4, 
+	25, 23, 21, 21, 27, 27, 27, 27, 
+	28, 27, 30, 27, 27, 27, 27, 27, 
+	27, 27, 27, 27, 1
+};
+
+static const short _myanmar_syllable_machine_index_offsets[] = {
+	0, 32, 61, 87, 92, 118, 142, 164, 
+	186, 214, 242, 270, 298, 315, 343, 371, 
+	399, 427, 455, 483, 511, 539, 567, 593, 
+	598, 624, 648, 670, 692, 720, 748, 776, 
+	804, 833, 861, 892, 920, 948, 976, 1004, 
+	1032, 1060, 1088, 1116, 1144
+};
+
+static const char _myanmar_syllable_machine_indicies[] = {
+	1, 1, 2, 3, 4, 4, 0, 5, 
+	0, 6, 1, 0, 0, 0, 0, 7, 
+	0, 8, 1, 0, 9, 10, 11, 12, 
+	13, 14, 15, 16, 17, 18, 19, 0, 
+	21, 22, 23, 23, 20, 24, 20, 25, 
+	20, 20, 20, 20, 20, 20, 20, 26, 
+	20, 20, 27, 28, 29, 30, 31, 32, 
+	33, 34, 35, 36, 20, 23, 23, 20, 
+	24, 20, 20, 20, 20, 20, 20, 20, 
+	20, 20, 37, 20, 20, 20, 20, 20, 
+	20, 31, 20, 20, 20, 35, 20, 23, 
+	23, 20, 24, 20, 23, 23, 20, 24, 
+	20, 20, 20, 20, 20, 20, 20, 20, 
+	20, 20, 20, 20, 20, 20, 20, 20, 
+	31, 20, 20, 20, 35, 20, 38, 20, 
+	23, 23, 20, 24, 20, 31, 20, 20, 
+	20, 20, 20, 20, 20, 39, 20, 20, 
+	20, 20, 20, 20, 31, 20, 23, 23, 
+	20, 24, 20, 20, 20, 20, 20, 20, 
+	20, 20, 20, 39, 20, 20, 20, 20, 
+	20, 20, 31, 20, 23, 23, 20, 24, 
+	20, 20, 20, 20, 20, 20, 20, 20, 
+	20, 20, 20, 20, 20, 20, 20, 20, 
+	31, 20, 21, 20, 23, 23, 20, 24, 
+	20, 25, 20, 20, 20, 20, 20, 20, 
+	20, 40, 20, 20, 40, 20, 20, 20, 
+	31, 41, 20, 20, 35, 20, 21, 20, 
+	23, 23, 20, 24, 20, 25, 20, 20, 
+	20, 20, 20, 20, 20, 20, 20, 20, 
+	20, 20, 20, 20, 31, 20, 20, 20, 
+	35, 20, 21, 20, 23, 23, 20, 24, 
+	20, 25, 20, 20, 20, 20, 20, 20, 
+	20, 40, 20, 20, 20, 20, 20, 20, 
+	31, 41, 20, 20, 35, 20, 21, 20, 
+	23, 23, 20, 24, 20, 25, 20, 20, 
+	20, 20, 20, 20, 20, 20, 20, 20, 
+	20, 20, 20, 20, 31, 41, 20, 20, 
+	35, 20, 1, 1, 20, 20, 20, 20, 
+	20, 20, 20, 20, 20, 20, 20, 20, 
+	20, 1, 20, 21, 20, 23, 23, 20, 
+	24, 20, 25, 20, 20, 20, 20, 20, 
+	20, 20, 26, 20, 20, 27, 28, 29, 
+	30, 31, 32, 33, 34, 35, 20, 21, 
+	20, 23, 23, 20, 24, 20, 25, 20, 
+	20, 20, 20, 20, 20, 20, 34, 20, 
+	20, 20, 20, 20, 20, 31, 32, 33, 
+	34, 35, 20, 21, 20, 23, 23, 20, 
+	24, 20, 25, 20, 20, 20, 20, 20, 
+	20, 20, 20, 20, 20, 20, 20, 20, 
+	20, 31, 32, 33, 34, 35, 20, 21, 
+	20, 23, 23, 20, 24, 20, 25, 20, 
+	20, 20, 20, 20, 20, 20, 20, 20, 
+	20, 20, 20, 20, 20, 31, 32, 33, 
+	20, 35, 20, 21, 20, 23, 23, 20, 
+	24, 20, 25, 20, 20, 20, 20, 20, 
+	20, 20, 20, 20, 20, 20, 20, 20, 
+	20, 31, 20, 33, 20, 35, 20, 21, 
+	20, 23, 23, 20, 24, 20, 25, 20, 
+	20, 20, 20, 20, 20, 20, 34, 20, 
+	20, 27, 20, 29, 20, 31, 32, 33, 
+	34, 35, 20, 21, 20, 23, 23, 20, 
+	24, 20, 25, 20, 20, 20, 20, 20, 
+	20, 20, 34, 20, 20, 27, 20, 20, 
+	20, 31, 32, 33, 34, 35, 20, 21, 
+	20, 23, 23, 20, 24, 20, 25, 20, 
+	20, 20, 20, 20, 20, 20, 34, 20, 
+	20, 27, 28, 29, 20, 31, 32, 33, 
+	34, 35, 20, 21, 22, 23, 23, 20, 
+	24, 20, 25, 20, 20, 20, 20, 20, 
+	20, 20, 26, 20, 20, 27, 28, 29, 
+	30, 31, 32, 33, 34, 35, 20, 3, 
+	3, 42, 5, 42, 42, 42, 42, 42, 
+	42, 42, 42, 42, 43, 42, 42, 42, 
+	42, 42, 42, 13, 42, 42, 42, 17, 
+	42, 3, 3, 42, 5, 42, 3, 3, 
+	42, 5, 42, 42, 42, 42, 42, 42, 
+	42, 42, 42, 42, 42, 42, 42, 42, 
+	42, 42, 13, 42, 42, 42, 17, 42, 
+	44, 42, 3, 3, 42, 5, 42, 13, 
+	42, 42, 42, 42, 42, 42, 42, 45, 
+	42, 42, 42, 42, 42, 42, 13, 42, 
+	3, 3, 42, 5, 42, 42, 42, 42, 
+	42, 42, 42, 42, 42, 45, 42, 42, 
+	42, 42, 42, 42, 13, 42, 3, 3, 
+	42, 5, 42, 42, 42, 42, 42, 42, 
+	42, 42, 42, 42, 42, 42, 42, 42, 
+	42, 42, 13, 42, 2, 42, 3, 3, 
+	42, 5, 42, 6, 42, 42, 42, 42, 
+	42, 42, 42, 46, 42, 42, 46, 42, 
+	42, 42, 13, 47, 42, 42, 17, 42, 
+	2, 42, 3, 3, 42, 5, 42, 6, 
+	42, 42, 42, 42, 42, 42, 42, 42, 
+	42, 42, 42, 42, 42, 42, 13, 42, 
+	42, 42, 17, 42, 2, 42, 3, 3, 
+	42, 5, 42, 6, 42, 42, 42, 42, 
+	42, 42, 42, 46, 42, 42, 42, 42, 
+	42, 42, 13, 47, 42, 42, 17, 42, 
+	2, 42, 3, 3, 42, 5, 42, 6, 
+	42, 42, 42, 42, 42, 42, 42, 42, 
+	42, 42, 42, 42, 42, 42, 13, 47, 
+	42, 42, 17, 42, 21, 22, 23, 23, 
+	20, 24, 20, 25, 20, 20, 20, 20, 
+	20, 20, 20, 48, 20, 20, 27, 28, 
+	29, 30, 31, 32, 33, 34, 35, 36, 
+	20, 21, 49, 23, 23, 20, 24, 20, 
+	25, 20, 20, 20, 20, 20, 20, 20, 
+	26, 20, 20, 27, 28, 29, 30, 31, 
+	32, 33, 34, 35, 20, 1, 1, 2, 
+	3, 3, 3, 42, 5, 42, 6, 1, 
+	42, 42, 42, 42, 1, 42, 8, 1, 
+	42, 9, 10, 11, 12, 13, 14, 15, 
+	16, 17, 18, 42, 2, 42, 3, 3, 
+	42, 5, 42, 6, 42, 42, 42, 42, 
+	42, 42, 42, 8, 42, 42, 9, 10, 
+	11, 12, 13, 14, 15, 16, 17, 42, 
+	2, 42, 3, 3, 42, 5, 42, 6, 
+	42, 42, 42, 42, 42, 42, 42, 16, 
+	42, 42, 42, 42, 42, 42, 13, 14, 
+	15, 16, 17, 42, 2, 42, 3, 3, 
+	42, 5, 42, 6, 42, 42, 42, 42, 
+	42, 42, 42, 42, 42, 42, 42, 42, 
+	42, 42, 13, 14, 15, 16, 17, 42, 
+	2, 42, 3, 3, 42, 5, 42, 6, 
+	42, 42, 42, 42, 42, 42, 42, 42, 
+	42, 42, 42, 42, 42, 42, 13, 14, 
+	15, 42, 17, 42, 2, 42, 3, 3, 
+	42, 5, 42, 6, 42, 42, 42, 42, 
+	42, 42, 42, 42, 42, 42, 42, 42, 
+	42, 42, 13, 42, 15, 42, 17, 42, 
+	2, 42, 3, 3, 42, 5, 42, 6, 
+	42, 42, 42, 42, 42, 42, 42, 16, 
+	42, 42, 9, 42, 11, 42, 13, 14, 
+	15, 16, 17, 42, 2, 42, 3, 3, 
+	42, 5, 42, 6, 42, 42, 42, 42, 
+	42, 42, 42, 16, 42, 42, 9, 42, 
+	42, 42, 13, 14, 15, 16, 17, 42, 
+	2, 42, 3, 3, 42, 5, 42, 6, 
+	42, 42, 42, 42, 42, 42, 42, 16, 
+	42, 42, 9, 10, 11, 42, 13, 14, 
+	15, 16, 17, 42, 2, 3, 3, 3, 
+	42, 5, 42, 6, 42, 42, 42, 42, 
+	42, 42, 42, 8, 42, 42, 9, 10, 
+	11, 12, 13, 14, 15, 16, 17, 42, 
+	51, 50, 0
+};
+
+static const char _myanmar_syllable_machine_trans_targs[] = {
+	0, 1, 22, 0, 0, 23, 29, 32, 
+	35, 36, 40, 41, 42, 25, 38, 39, 
+	37, 28, 43, 44, 0, 2, 12, 0, 
+	3, 9, 13, 14, 18, 19, 20, 5, 
+	16, 17, 15, 8, 21, 4, 6, 7, 
+	10, 11, 0, 24, 26, 27, 30, 31, 
+	33, 34, 0, 0
+};
+
+static const char _myanmar_syllable_machine_trans_actions[] = {
+	3, 0, 0, 4, 5, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 6, 0, 0, 7, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 8, 0, 0, 0, 0, 0, 
+	0, 0, 9, 10
+};
+
+static const char _myanmar_syllable_machine_to_state_actions[] = {
+	1, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0
+};
+
+static const char _myanmar_syllable_machine_from_state_actions[] = {
+	2, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0
+};
+
+static const short _myanmar_syllable_machine_eof_trans[] = {
+	0, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 43, 43, 
+	43, 43, 43, 43, 43, 43, 43, 43, 
+	21, 21, 43, 43, 43, 43, 43, 43, 
+	43, 43, 43, 43, 51
+};
+
+static const int myanmar_syllable_machine_start = 0;
+static const int myanmar_syllable_machine_first_final = 0;
+static const int myanmar_syllable_machine_error = -1;
+
+static const int myanmar_syllable_machine_en_main = 0;
+
+
+#line 36 "hb-ot-shape-complex-myanmar-machine.rl"
+
+
+
+#line 93 "hb-ot-shape-complex-myanmar-machine.rl"
+
+
+#define found_syllable(syllable_type) \
+  HB_STMT_START { \
+    if (0) fprintf (stderr, "syllable %d..%d %s\n", last, p+1, #syllable_type); \
+    for (unsigned int i = last; i < p+1; i++) \
+      info[i].syllable() = (syllable_serial << 4) | syllable_type; \
+    last = p+1; \
+    syllable_serial++; \
+    if (unlikely (syllable_serial == 16)) syllable_serial = 1; \
+  } HB_STMT_END
+
+static void
+find_syllables (hb_buffer_t *buffer)
+{
+  unsigned int p, pe, eof, ts HB_UNUSED, te HB_UNUSED, act HB_UNUSED;
+  int cs;
+  hb_glyph_info_t *info = buffer->info;
+  
+#line 289 "hb-ot-shape-complex-myanmar-machine.hh"
+	{
+	cs = myanmar_syllable_machine_start;
+	ts = 0;
+	te = 0;
+	act = 0;
+	}
+
+#line 114 "hb-ot-shape-complex-myanmar-machine.rl"
+
+
+  p = 0;
+  pe = eof = buffer->len;
+
+  unsigned int last = 0;
+  unsigned int syllable_serial = 1;
+  
+#line 306 "hb-ot-shape-complex-myanmar-machine.hh"
+	{
+	int _slen;
+	int _trans;
+	const unsigned char *_keys;
+	const char *_inds;
+	if ( p == pe )
+		goto _test_eof;
+_resume:
+	switch ( _myanmar_syllable_machine_from_state_actions[cs] ) {
+	case 2:
+#line 1 "NONE"
+	{ts = p;}
+	break;
+#line 320 "hb-ot-shape-complex-myanmar-machine.hh"
+	}
+
+	_keys = _myanmar_syllable_machine_trans_keys + (cs<<1);
+	_inds = _myanmar_syllable_machine_indicies + _myanmar_syllable_machine_index_offsets[cs];
+
+	_slen = _myanmar_syllable_machine_key_spans[cs];
+	_trans = _inds[ _slen > 0 && _keys[0] <=( info[p].myanmar_category()) &&
+		( info[p].myanmar_category()) <= _keys[1] ?
+		( info[p].myanmar_category()) - _keys[0] : _slen ];
+
+_eof_trans:
+	cs = _myanmar_syllable_machine_trans_targs[_trans];
+
+	if ( _myanmar_syllable_machine_trans_actions[_trans] == 0 )
+		goto _again;
+
+	switch ( _myanmar_syllable_machine_trans_actions[_trans] ) {
+	case 7:
+#line 85 "hb-ot-shape-complex-myanmar-machine.rl"
+	{te = p+1;{ found_syllable (consonant_syllable); }}
+	break;
+	case 5:
+#line 86 "hb-ot-shape-complex-myanmar-machine.rl"
+	{te = p+1;{ found_syllable (non_myanmar_cluster); }}
+	break;
+	case 10:
+#line 87 "hb-ot-shape-complex-myanmar-machine.rl"
+	{te = p+1;{ found_syllable (punctuation_cluster); }}
+	break;
+	case 4:
+#line 88 "hb-ot-shape-complex-myanmar-machine.rl"
+	{te = p+1;{ found_syllable (broken_cluster); }}
+	break;
+	case 3:
+#line 89 "hb-ot-shape-complex-myanmar-machine.rl"
+	{te = p+1;{ found_syllable (non_myanmar_cluster); }}
+	break;
+	case 6:
+#line 85 "hb-ot-shape-complex-myanmar-machine.rl"
+	{te = p;p--;{ found_syllable (consonant_syllable); }}
+	break;
+	case 8:
+#line 88 "hb-ot-shape-complex-myanmar-machine.rl"
+	{te = p;p--;{ found_syllable (broken_cluster); }}
+	break;
+	case 9:
+#line 89 "hb-ot-shape-complex-myanmar-machine.rl"
+	{te = p;p--;{ found_syllable (non_myanmar_cluster); }}
+	break;
+#line 370 "hb-ot-shape-complex-myanmar-machine.hh"
+	}
+
+_again:
+	switch ( _myanmar_syllable_machine_to_state_actions[cs] ) {
+	case 1:
+#line 1 "NONE"
+	{ts = 0;}
+	break;
+#line 379 "hb-ot-shape-complex-myanmar-machine.hh"
+	}
+
+	if ( ++p != pe )
+		goto _resume;
+	_test_eof: {}
+	if ( p == eof )
+	{
+	if ( _myanmar_syllable_machine_eof_trans[cs] > 0 ) {
+		_trans = _myanmar_syllable_machine_eof_trans[cs] - 1;
+		goto _eof_trans;
+	}
+	}
+
+	}
+
+#line 123 "hb-ot-shape-complex-myanmar-machine.rl"
+
+}
+
+#undef found_syllable
+
+#endif /* HB_OT_SHAPE_COMPLEX_MYANMAR_MACHINE_HH */