kc3-lang/harfbuzz/test/api/test-style.c
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Hash : 1ab8822b
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Date : 2024-02-09T17:24:49
Fixed some errors in STAT table implementation
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test/api/test-style.c
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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. */ #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)) 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_ANGLE), 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_ANGLE), 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_bold_face (void) { hb_face_t *face = hb_test_open_font_file ("fonts/NotoSans-Bold.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_ANGLE), 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); 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_ANGLE), 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_ANGLE), 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_ANGLE), 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_ANGLE), 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_ANGLE), 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_ANGLE), 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_ANGLE), 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_ANGLE), 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_ANGLE), 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); } static void test_synthetic_slant (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_SLANT_RATIO), 0); hb_font_set_synthetic_slant (font, 0.2); assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_SLANT_RATIO), 0.2); hb_font_destroy (font); hb_face_destroy (face); face = hb_test_open_font_file ("fonts/notosansitalic.ttf"); font = hb_font_create (face); /* We expect a negative angle for a typical italic font, * which should give us a positive ratio */ assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_SLANT_ANGLE), -12); assert_cmpfloat (hb_style_get_value (font, HB_STYLE_TAG_SLANT_RATIO), 0.21); 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_bold_face); hb_test_add (test_face_user_setting); hb_test_add (test_synthetic_slant); return hb_test_run (); }