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/*
* Copyright © 2020 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.
*
*/
#include "hb-ot-var-cvar-table.hh"
// cvar table data from Multi-ABC.ttf
const char cvar_data[] = "\x0\x1\x0\x0\x0\x2\x0\x14\x0\x51\xa0\x0\xc0\x0\x0\x54\xa0\x0\x40\x0\x2a\x29\x17\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\xd\xff\x0\xfd\x1\x0\xff\x0\xfd\x1\x0\xdb\xdb\xe6\xe6\x82\x0\xfd\x84\x6\xfd\x0\x2\xe3\xe3\xec\xec\x82\x4\x1\xe3\xe3\xec\xec\x82\x0\x1\x2a\x29\x17\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\xd\x1\x0\x5\xfd\x0\x1\x0\x5\xfd\x0\x61\x61\x44\x44\x82\x0\x5\x81\x9\x1\xff\x1\x7\xff\xfb\x49\x49\x35\x35\x82\x4\xff\x49\x49\x35\x35\x82\x0\xff";
static void
test_decompile_cvar ()
{
const OT::cvar* cvar_table = reinterpret_cast<const OT::cvar*> (cvar_data);
unsigned point_count = 65;
unsigned axis_count = 1;
hb_tag_t axis_tag = HB_TAG ('w', 'g', 'h', 't');
hb_map_t axis_idx_tag_map;
axis_idx_tag_map.set (0, axis_tag);
OT::TupleVariationData::tuple_variations_t tuple_variations;
hb_vector_t<unsigned> shared_indices;
OT::TupleVariationData::tuple_iterator_t iterator;
const OT::TupleVariationData* tuple_var_data = reinterpret_cast<const OT::TupleVariationData*> (cvar_data + 4);
unsigned len = sizeof (cvar_data);
hb_bytes_t var_data_bytes{cvar_data+4, len - 4};
bool result = OT::TupleVariationData::get_tuple_iterator (var_data_bytes, axis_count, cvar_table,
shared_indices, &iterator);
assert (result);
result = tuple_var_data->decompile_tuple_variations (point_count, false, iterator, &axis_idx_tag_map,
shared_indices, hb_array<const OT::F2DOT14> (),
tuple_variations);
assert (result);
assert (tuple_variations.tuple_vars.length == 2);
for (unsigned i = 0; i < 2; i++)
{
assert (tuple_variations.tuple_vars[i].axis_tuples.get_population () == 1);
assert (!tuple_variations.tuple_vars[i].deltas_y);
assert (tuple_variations.tuple_vars[i].indices.length == 65);
assert (tuple_variations.tuple_vars[i].indices.length == tuple_variations.tuple_vars[i].deltas_x.length);
}
assert (tuple_variations.tuple_vars[0].axis_tuples.get (axis_tag) == Triple (-1.f, -1.f, 0.f));
assert (tuple_variations.tuple_vars[1].axis_tuples.get (axis_tag) == Triple (0.f, 1.f, 1.f));
hb_vector_t<float> deltas_1 {0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, -1.f, 0.f, -3.f, 1.f, 0.f, -1.f, 0.f, -3.f, 1.f, 0.f, -37.f, -37.f, -26.f, -26.f, 0.f, 0.f, 0.f, -3.f, 0.f, 0.f, 0.f, 0.f, 0.f, -3.f, 0.f, 2.f, -29.f, -29.f, -20.f, -20.f, 0.f, 0.f, 0.f, 1.f, -29.f, -29.f, -20.f, -20.f, 0.f, 0.f, 0.f, 1.f};
for (unsigned i = 0; i < 65; i++)
{
if (i < 23)
assert (tuple_variations.tuple_vars[0].indices[i] == 0);
else
{
assert (tuple_variations.tuple_vars[0].indices[i] == 1);
assert (tuple_variations.tuple_vars[0].deltas_x[i] == deltas_1[i]);
}
}
hb_vector_t<float> deltas_2 {0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 1.f, 0.f, 5.f, -3.f, 0.f, 1.f, 0.f, 5.f, -3.f, 0.f, 97.f, 97.f, 68.f, 68.f, 0.f, 0.f, 0.f, 5.f, 0.f, 0.f, 1.f, -1.f, 1.f, 7.f, -1.f, -5.f, 73.f, 73.f, 53.f, 53.f, 0.f, 0.f, 0.f, -1.f, 73.f, 73.f, 53.f, 53.f, 0.f, 0.f, 0.f, -1.f};
for (unsigned i = 0 ; i < 65; i++)
{
if (i < 23)
assert (tuple_variations.tuple_vars[1].indices[i] == 0);
else
{
assert (tuple_variations.tuple_vars[1].indices[i] == 1);
assert (tuple_variations.tuple_vars[1].deltas_x[i] == deltas_2[i]);
}
}
/* partial instancing wght=300:800 */
hb_hashmap_t<hb_tag_t, Triple> normalized_axes_location;
normalized_axes_location.set (axis_tag, Triple (-0.512817f, 0.f, 0.700012f));
hb_hashmap_t<hb_tag_t, TripleDistances> axes_triple_distances;
axes_triple_distances.set (axis_tag, TripleDistances (1.f, 1.f));
tuple_variations.instantiate (normalized_axes_location, axes_triple_distances);
assert (tuple_variations.tuple_vars[0].indices.length == 65);
assert (tuple_variations.tuple_vars[1].indices.length == 65);
assert (!tuple_variations.tuple_vars[0].deltas_y);
assert (!tuple_variations.tuple_vars[1].deltas_y);
assert (tuple_variations.tuple_vars[0].axis_tuples.get (axis_tag) == Triple (-1.f, -1.f, 0.f));
assert (tuple_variations.tuple_vars[1].axis_tuples.get (axis_tag) == Triple (0.f, 1.f, 1.f));
hb_vector_t<float> rounded_deltas_1 {0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, -1, 0.f, -2, 1, 0.f, -1, 0.f, -2, 1, 0.f, -19, -19, -13, -13, 0.f, 0.f, 0.f, -2, 0.f, 0.f, 0.f, 0.f, 0.f, -2, 0.f, 1, -15, -15, -10.f, -10.f, 0.f, 0.f, 0.f, 1, -15, -15, -10.f, -10.f, 0.f, 0.f, 0.f, 1};
hb_vector_t<float> rounded_deltas_2 {0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 1, 0.f, 4, -2, 0.f, 1, 0.f, 4, -2, 0.f, 68, 68, 48, 48, 0.f, 0.f, 0.f, 4, 0.f, 0.f, 1, -1, 1, 5, -1, -4, 51, 51, 37, 37, 0.f, 0.f, 0.f, -1, 51, 51, 37, 37, 0.f, 0.f, 0.f, -1};
for (unsigned i = 0; i < 65; i++)
{
if (i < 23)
{
assert (tuple_variations.tuple_vars[0].indices[i] == 0);
assert (tuple_variations.tuple_vars[1].indices[i] == 0);
}
else
{
assert (tuple_variations.tuple_vars[0].indices[i] == 1);
assert (tuple_variations.tuple_vars[1].indices[i] == 1);
assert (roundf (tuple_variations.tuple_vars[0].deltas_x[i]) == rounded_deltas_1[i]);
assert (roundf (tuple_variations.tuple_vars[1].deltas_x[i]) == rounded_deltas_2[i]);
}
}
hb_map_t axes_index_map;
axes_index_map.set (0, 0);
bool res = tuple_variations.compile_bytes (axes_index_map, axis_idx_tag_map, false);
assert (res);
assert (tuple_variations.tuple_vars[0].compiled_tuple_header.length == 6);
const char tuple_var_header_1[] = "\x0\x51\xa0\x0\xc0\x0";
for (unsigned i = 0; i < 6; i++)
assert(tuple_variations.tuple_vars[0].compiled_tuple_header.arrayZ[i] == tuple_var_header_1[i]);
assert (tuple_variations.tuple_vars[1].compiled_tuple_header.length == 6);
const char tuple_var_header_2[] = "\x0\x54\xa0\x0\x40\x0";
for (unsigned i = 0; i < 6; i++)
assert(tuple_variations.tuple_vars[1].compiled_tuple_header.arrayZ[i] == tuple_var_header_2[i]);
assert (tuple_variations.tuple_vars[0].compiled_deltas.length == 37);
assert (tuple_variations.tuple_vars[1].compiled_deltas.length == 40);
const char compiled_deltas_1[] = "\x0d\xff\x00\xfe\x01\x00\xff\x00\xfe\x01\x00\xed\xed\xf3\xf3\x82\x00\xfe\x84\x06\xfe\x00\x01\xf1\xf1\xf6\xf6\x82\x04\x01\xf1\xf1\xf6\xf6\x82\x00\x01";
for (unsigned i = 0; i < 37; i++)
assert (tuple_variations.tuple_vars[0].compiled_deltas.arrayZ[i] == compiled_deltas_1[i]);
const char compiled_deltas_2[] = "\x0d\x01\x00\x04\xfe\x00\x01\x00\x04\xfe\x00\x44\x44\x30\x30\x82\x00\x04\x81\x09\x01\xff\x01\x05\xff\xfc\x33\x33\x25\x25\x82\x04\xff\x33\x33\x25\x25\x82\x00\xff";
for (unsigned i = 0; i < 40; i++)
assert (tuple_variations.tuple_vars[1].compiled_deltas.arrayZ[i] == compiled_deltas_2[i]);
}
int
main (int argc, char **argv)
{
test_decompile_cvar ();
}
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