harfbuzz/test/api/test-ot-metrics.c

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/*
* Copyright © 2018 Ebrahim Byagowi
*
* 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-ot.h>
#include <math.h>
/* Unit tests for hb-ot-metrics.h */
static void
test_ot_metrics_get_no_var (void)
{
hb_face_t *face = hb_test_open_font_file ("fonts/cpal-v0.ttf");
hb_font_t *font = hb_font_create (face);
hb_position_t value;
g_assert (hb_ot_metrics_get_position (font, HB_OT_METRICS_TAG_HORIZONTAL_ASCENDER, &value));
g_assert_cmpint (value, ==, 1000);
g_assert_cmpint (hb_ot_metrics_get_x_variation (font, HB_OT_METRICS_TAG_HORIZONTAL_ASCENDER), ==, 0);
g_assert_cmpint (hb_ot_metrics_get_y_variation (font, HB_OT_METRICS_TAG_HORIZONTAL_ASCENDER), ==, 0);
g_assert_cmpint (hb_ot_metrics_get_x_variation (font, HB_OT_METRICS_TAG_X_HEIGHT), ==, 0);
// g_assert_cmpint ((int) hb_ot_metrics_get_variation (font, HB_OT_METRICS_TAG_HORIZONTAL_ASCENDER), ==, 0);
hb_font_destroy (font);
hb_face_destroy (face);
}
static void
test_ot_metrics_get_var (void)
{
hb_face_t *face = hb_test_open_font_file ("fonts/TestCFF2VF.otf");
hb_font_t *font = hb_font_create (face);
hb_position_t value;
g_assert (hb_ot_metrics_get_position (font, HB_OT_METRICS_TAG_X_HEIGHT, &value));
g_assert_cmpint (value, ==, 486);
g_assert_cmpint (hb_ot_metrics_get_x_variation (font, HB_OT_METRICS_TAG_HORIZONTAL_ASCENDER), ==, 0);
g_assert_cmpint (hb_ot_metrics_get_y_variation (font, HB_OT_METRICS_TAG_HORIZONTAL_ASCENDER), ==, 0);
g_assert_cmpint (hb_ot_metrics_get_x_variation (font, HB_OT_METRICS_TAG_X_HEIGHT), ==, 0);
float coords[] = {100.f};
hb_font_set_var_coords_design (font, coords, 1);
g_assert (hb_ot_metrics_get_position (font, HB_OT_METRICS_TAG_X_HEIGHT, &value));
g_assert_cmpint (value, ==, 478);
g_assert_cmpint (hb_ot_metrics_get_x_variation (font, HB_OT_METRICS_TAG_HORIZONTAL_ASCENDER), ==, 0);
g_assert_cmpint (hb_ot_metrics_get_y_variation (font, HB_OT_METRICS_TAG_HORIZONTAL_ASCENDER), ==, 0);
g_assert_cmpint (hb_ot_metrics_get_x_variation (font, HB_OT_METRICS_TAG_X_HEIGHT), ==, -8);
hb_font_destroy (font);
hb_face_destroy (face);
}
int
main (int argc, char **argv)
{
hb_test_init (&argc, &argv);
hb_test_add (test_ot_metrics_get_no_var);
hb_test_add (test_ot_metrics_get_var);
return hb_test_run ();
}