HarfBuzz text shaping engine http://harfbuzz.github.io/
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/*
* Copyright © 2021 Khaled Hosny
*
* 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-test.h"
#include <hb.h>
#include <hb-ot.h>
#define STATIC_ARRAY_SIZE 255
static void
test_ot_layout_table_get_script_tags (void)
{
hb_face_t *face = hb_test_open_font_file ("fonts/NotoNastaliqUrdu-Regular.ttf");
unsigned int total = 0;
unsigned int count = STATIC_ARRAY_SIZE;
unsigned int offset = 0;
hb_tag_t tags[STATIC_ARRAY_SIZE];
while (count == STATIC_ARRAY_SIZE)
{
total = hb_ot_layout_table_get_script_tags (face, HB_OT_TAG_GSUB, offset, &count, tags);
g_assert_cmpuint (3, ==, total);
offset += count;
if (count)
{
g_assert_cmpuint (3, ==, count);
g_assert_cmpuint (HB_TAG ('a','r','a','b'), ==, tags[0]);
g_assert_cmpuint (HB_TAG ('d','f','l','t'), ==, tags[1]);
g_assert_cmpuint (HB_TAG ('l','a','t','n'), ==, tags[2]);
}
}
count = STATIC_ARRAY_SIZE;
offset = 0;
while (count == STATIC_ARRAY_SIZE)
{
total = hb_ot_layout_table_get_script_tags (face, HB_OT_TAG_GPOS, offset, &count, tags);
g_assert_cmpuint (1, ==, total);
offset += count;
if (count)
{
g_assert_cmpuint (1, ==, count);
g_assert_cmpuint (HB_TAG ('a','r','a','b'), ==, tags[0]);
}
}
hb_face_destroy (face);
}
static void
test_ot_layout_table_find_script (void)
{
hb_face_t *face = hb_test_open_font_file ("fonts/NotoNastaliqUrdu-Regular.ttf");
unsigned int index;
g_assert (hb_ot_layout_table_find_script (face, HB_OT_TAG_GSUB, HB_TAG ('a','r','a','b'), &index));
g_assert_cmpuint (0, ==, index);
g_assert (hb_ot_layout_table_find_script (face, HB_OT_TAG_GSUB, HB_TAG ('d','f','l','t'), &index));
g_assert_cmpuint (1, ==, index);
g_assert (hb_ot_layout_table_find_script (face, HB_OT_TAG_GSUB, HB_TAG ('l','a','t','n'), &index));
g_assert_cmpuint (2, ==, index);
g_assert (hb_ot_layout_table_find_script (face, HB_OT_TAG_GPOS, HB_TAG ('a','r','a','b'), &index));
g_assert_cmpuint (0, ==, index);
g_assert (!hb_ot_layout_table_find_script (face, HB_OT_TAG_GPOS, HB_TAG ('d','f','l','t'), &index));
g_assert_cmpuint (0xFFFF, ==, index);
g_assert (!hb_ot_layout_table_find_script (face, HB_OT_TAG_GPOS, HB_TAG ('l','a','t','n'), &index));
g_assert_cmpuint (0xFFFF, ==, index);
hb_face_destroy (face);
}
static void
test_ot_layout_table_get_feature_tags (void)
{
hb_face_t *face = hb_test_open_font_file ("fonts/NotoNastaliqUrdu-Regular.ttf");
unsigned int total = 0;
unsigned int count = STATIC_ARRAY_SIZE;
unsigned int offset = 0;
hb_tag_t tags[STATIC_ARRAY_SIZE];
while (count == STATIC_ARRAY_SIZE)
{
total = hb_ot_layout_table_get_feature_tags (face, HB_OT_TAG_GSUB, offset, &count, tags);
g_assert_cmpuint (14, ==, total);
offset += count;
if (count)
{
g_assert_cmpuint (14, ==, count);
g_assert_cmpuint (HB_TAG ('c','c','m','p'), ==, tags[0]);
g_assert_cmpuint (HB_TAG ('i','s','o','l'), ==, tags[10]);
g_assert_cmpuint (HB_TAG ('r','l','i','g'), ==, tags[13]);
}
}
count = STATIC_ARRAY_SIZE;
offset = 0;
while (count == STATIC_ARRAY_SIZE)
{
total = hb_ot_layout_table_get_feature_tags (face, HB_OT_TAG_GPOS, offset, &count, tags);
g_assert_cmpuint (3, ==, total);
offset += count;
if (count)
{
g_assert_cmpuint (3, ==, count);
g_assert_cmpuint (HB_TAG ('c','u','r','s'), ==, tags[0]);
g_assert_cmpuint (HB_TAG ('m','a','r','k'), ==, tags[1]);
g_assert_cmpuint (HB_TAG ('m','k','m','k'), ==, tags[2]);
}
}
hb_face_destroy (face);
}
static void
test_ot_layout_script_get_language_tags (void)
{
hb_face_t *face = hb_test_open_font_file ("fonts/Estedad-VF.ttf");
unsigned int total = 0;
unsigned int count = STATIC_ARRAY_SIZE;
unsigned int offset = 0;
hb_tag_t tags[STATIC_ARRAY_SIZE];
while (count == STATIC_ARRAY_SIZE)
{
total = hb_ot_layout_script_get_language_tags (face, HB_OT_TAG_GSUB, 0, offset, &count, tags);
g_assert_cmpuint (2, ==, total);
offset += count;
if (count)
{
g_assert_cmpuint (2, ==, count);
g_assert_cmpuint (HB_TAG ('F','A','R',' '), ==, tags[0]);
g_assert_cmpuint (HB_TAG ('K','U','R',' '), ==, tags[1]);
}
}
count = STATIC_ARRAY_SIZE;
offset = 0;
while (count == STATIC_ARRAY_SIZE)
{
total = hb_ot_layout_script_get_language_tags (face, HB_OT_TAG_GPOS, 1, offset, &count, tags);
g_assert_cmpuint (2, ==, total);
offset += count;
if (count)
{
g_assert_cmpuint (2, ==, count);
g_assert_cmpuint (HB_TAG ('F','A','R',' '), ==, tags[0]);
g_assert_cmpuint (HB_TAG ('K','U','R',' '), ==, tags[1]);
}
}
hb_face_destroy (face);
}
static void
test_ot_layout_language_get_feature_tags (void)
{
hb_face_t *face = hb_test_open_font_file ("fonts/Estedad-VF.ttf");
unsigned int total = 0;
unsigned int count = STATIC_ARRAY_SIZE;
unsigned int offset = 0;
hb_tag_t tags[STATIC_ARRAY_SIZE];
while (count == STATIC_ARRAY_SIZE)
{
total = hb_ot_layout_language_get_feature_tags (face, HB_OT_TAG_GSUB, 0, 0, offset, &count, tags);
g_assert_cmpuint (6, ==, total);
offset += count;
if (count)
{
g_assert_cmpuint (6, ==, count);
g_assert_cmpuint (HB_TAG ('c','a','l','t'), ==, tags[0]);
g_assert_cmpuint (HB_TAG ('f','i','n','a'), ==, tags[1]);
g_assert_cmpuint (HB_TAG ('i','n','i','t'), ==, tags[2]);
g_assert_cmpuint (HB_TAG ('l','i','g','a'), ==, tags[3]);
g_assert_cmpuint (HB_TAG ('m','e','d','i'), ==, tags[4]);
g_assert_cmpuint (HB_TAG ('r','l','i','g'), ==, tags[5]);
}
}
count = STATIC_ARRAY_SIZE;
offset = 0;
while (count == STATIC_ARRAY_SIZE)
{
total = hb_ot_layout_language_get_feature_tags (face, HB_OT_TAG_GPOS, 1, 0, offset, &count, tags);
g_assert_cmpuint (3, ==, total);
offset += count;
if (count)
{
g_assert_cmpuint (3, ==, count);
g_assert_cmpuint (HB_TAG ('k','e','r','n'), ==, tags[0]);
g_assert_cmpuint (HB_TAG ('m','a','r','k'), ==, tags[1]);
g_assert_cmpuint (HB_TAG ('m','k','m','k'), ==, tags[2]);
}
}
hb_face_destroy (face);
}
int
main (int argc, char **argv)
{
hb_test_init (&argc, &argv);
hb_test_add (test_ot_layout_table_get_script_tags);
hb_test_add (test_ot_layout_table_find_script);
hb_test_add (test_ot_layout_script_get_language_tags);
hb_test_add (test_ot_layout_table_get_feature_tags);
hb_test_add (test_ot_layout_language_get_feature_tags);
return hb_test_run ();
}