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harfbuzz/test/api/test-style.c
Ebrahim Byagowi a3b9b94b63
[style] Remove fdsc support (#2541) 
It isn't exposed yet and low use between Apple fonts,
32 fdsc table vs 767 OS/2 tables, even Apple doesn't
support it anymore per Ned.
2020-07-06 00:05:21 +04:30

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/*
* Copyright © 2019 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.
*/
#ifdef HB_EXPERIMENTAL_API
#include "hb-test.h"
#include <hb.h>
/* Unit tests for hb-style.h */
#define assert_cmpfloat(n1, n2) g_assert_cmpint ((int) (n1 * 100.f), ==, (int) (n2 * 100.f))
#define HB_STYLE_TAG_ITALIC HB_TAG ('i','t','a','l')
#define HB_STYLE_TAG_OPTICAL_SIZE HB_TAG ('o','p','s','z')
#define HB_STYLE_TAG_SLANT HB_TAG ('s','l','n','t')
#define HB_STYLE_TAG_WIDTH HB_TAG ('w','d','t','h')
#define HB_STYLE_TAG_WEIGHT HB_TAG ('w','g','h','t')
static void
test_empty_face (void)
{
hb_font_t *empty = hb_font_get_empty ();
assert_cmpfloat (hb_style_get_value (empty, HB_STYLE_TAG_ITALIC), 0);
assert_cmpfloat (hb_style_get_value (empty, HB_STYLE_TAG_OPTICAL_SIZE), 12);
assert_cmpfloat (hb_style_get_value (empty, HB_STYLE_TAG_SLANT), 0);
assert_cmpfloat (hb_style_get_value (empty, HB_STYLE_TAG_WIDTH), 100);
assert_cmpfloat (hb_style_get_value (empty, HB_STYLE_TAG_WEIGHT), 400);
}
static void
test_regular_face (void)
{
hb_face_t *face = hb_test_open_font_file ("fonts/Roboto-Regular.abc.ttf");
hb_font_t *font = hb_font_create (face);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_ITALIC), 0);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_OPTICAL_SIZE), 12);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_SLANT), 0);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_WIDTH), 100);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_WEIGHT), 400);
hb_font_destroy (font);
hb_face_destroy (face);
}
static void
test_face_user_setting (void)
{
hb_face_t *face = hb_test_open_font_file ("fonts/AdobeVFPrototype_vsindex.otf");
hb_font_t *font = hb_font_create (face);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_ITALIC), 0);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_OPTICAL_SIZE), 12);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_SLANT), 0);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_WIDTH), 100);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_WEIGHT), 389.34f); /* its default weight */
assert_cmpfloat (hb_style_get_value (font, (hb_style_tag_t) HB_TAG ('C','N','T','R')), 0);
hb_font_set_var_named_instance (font, 0);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_ITALIC), 0);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_OPTICAL_SIZE), 12);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_SLANT), 0);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_WIDTH), 100);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_WEIGHT), 200);
assert_cmpfloat (hb_style_get_value (font, (hb_style_tag_t) HB_TAG ('C','N','T','R')), 0);
hb_font_set_var_named_instance (font, 1);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_ITALIC), 0);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_OPTICAL_SIZE), 12);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_SLANT), 0);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_WIDTH), 100);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_WEIGHT), 300);
assert_cmpfloat (hb_style_get_value (font, (hb_style_tag_t) HB_TAG ('C','N','T','R')), 0);
hb_font_set_var_named_instance (font, 2);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_ITALIC), 0);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_OPTICAL_SIZE), 12);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_SLANT), 0);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_WIDTH), 100);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_WEIGHT), 400);
assert_cmpfloat (hb_style_get_value (font, (hb_style_tag_t) HB_TAG ('C','N','T','R')), 0);
hb_font_set_var_named_instance (font, 3);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_ITALIC), 0);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_OPTICAL_SIZE), 12);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_SLANT), 0);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_WIDTH), 100);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_WEIGHT),600);
assert_cmpfloat (hb_style_get_value (font, (hb_style_tag_t) HB_TAG ('C','N','T','R')), 0);
hb_font_set_var_named_instance (font, 4);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_ITALIC), 0);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_OPTICAL_SIZE), 12);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_SLANT), 0);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_WIDTH), 100);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_WEIGHT), 700);
assert_cmpfloat (hb_style_get_value (font, (hb_style_tag_t) HB_TAG ('C','N','T','R')), 0);
hb_font_set_var_named_instance (font, 5);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_ITALIC), 0);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_OPTICAL_SIZE), 12);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_SLANT), 0);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_WIDTH), 100);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_WEIGHT), 900);
assert_cmpfloat (hb_style_get_value (font, (hb_style_tag_t) HB_TAG ('C','N','T','R')), 0);
hb_font_set_var_named_instance (font, 6);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_ITALIC), 0);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_OPTICAL_SIZE), 12);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_SLANT), 0);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_WIDTH), 100);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_WEIGHT), 900);
assert_cmpfloat (hb_style_get_value (font, (hb_style_tag_t) HB_TAG ('C','N','T','R')), 50);
hb_font_set_var_named_instance (font, 7);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_ITALIC), 0);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_OPTICAL_SIZE), 12);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_SLANT), 0);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_WIDTH), 100);
assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_WEIGHT), 900);
assert_cmpfloat (hb_style_get_value (font, (hb_style_tag_t) HB_TAG ('C','N','T','R')), 100);
hb_font_destroy (font);
hb_face_destroy (face);
}
int
main (int argc, char **argv)
{
hb_test_init (&argc, &argv);
hb_test_add (test_empty_face);
hb_test_add (test_regular_face);
hb_test_add (test_face_user_setting);
return hb_test_run ();
}
#else
int main () {}
#endif
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