551 lines
15 KiB
C
551 lines
15 KiB
C
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/*
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* Copyright © 2011 Google, Inc.
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Google Author(s): Behdad Esfahbod
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*/
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#include "hb-test.h"
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/* Unit tests for hb-font.h */
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static const char test_data[] = "test\0data";
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static void
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test_face_empty (void)
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{
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hb_face_t *created_from_empty;
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hb_face_t *created_from_null;
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g_assert (hb_face_get_empty ());
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created_from_empty = hb_face_create (hb_blob_get_empty (), 0);
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g_assert (hb_face_get_empty () != created_from_empty);
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created_from_null = hb_face_create (NULL, 0);
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g_assert (hb_face_get_empty () != created_from_null);
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g_assert (hb_face_reference_table (hb_face_get_empty (), HB_TAG ('h','e','a','d')) == hb_blob_get_empty ());
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g_assert_cmpint (hb_face_get_upem (hb_face_get_empty ()), ==, 1000);
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hb_face_destroy (created_from_null);
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hb_face_destroy (created_from_empty);
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}
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static void
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test_face_create (void)
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{
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hb_face_t *face;
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hb_blob_t *blob;
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blob = hb_blob_create (test_data, sizeof (test_data), HB_MEMORY_MODE_READONLY, NULL, NULL);
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face = hb_face_create (blob, 0);
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hb_blob_destroy (blob);
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g_assert (hb_face_reference_table (face, HB_TAG ('h','e','a','d')) == hb_blob_get_empty ());
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g_assert_cmpint (hb_face_get_upem (face), ==, 1000);
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hb_face_destroy (face);
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}
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static void
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free_up (void *user_data)
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{
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int *freed = (int *) user_data;
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g_assert (!*freed);
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(*freed)++;
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}
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static hb_blob_t *
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get_table (hb_face_t *face, hb_tag_t tag, void *user_data)
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{
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if (tag == HB_TAG ('a','b','c','d'))
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return hb_blob_create (test_data, sizeof (test_data), HB_MEMORY_MODE_READONLY, NULL, NULL);
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return hb_blob_get_empty ();
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}
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static void
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test_face_createfortables (void)
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{
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hb_face_t *face;
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hb_blob_t *blob;
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const char *data;
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unsigned int len;
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int freed = 0;
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face = hb_face_create_for_tables (get_table, &freed, free_up);
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g_assert (!freed);
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g_assert (hb_face_reference_table (face, HB_TAG ('h','e','a','d')) == hb_blob_get_empty ());
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blob = hb_face_reference_table (face, HB_TAG ('a','b','c','d'));
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g_assert (blob != hb_blob_get_empty ());
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data = hb_blob_get_data (blob, &len);
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g_assert_cmpint (len, ==, sizeof (test_data));
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g_assert (0 == memcmp (data, test_data, sizeof (test_data)));
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hb_blob_destroy (blob);
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g_assert_cmpint (hb_face_get_upem (face), ==, 1000);
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hb_face_destroy (face);
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g_assert (freed);
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}
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static void
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_test_font_nil_funcs (hb_font_t *font)
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{
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hb_codepoint_t glyph;
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hb_position_t x, y;
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hb_glyph_extents_t extents;
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unsigned int upem = hb_face_get_upem (hb_font_get_face (font));
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x = y = 13;
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g_assert (!hb_font_get_glyph_contour_point (font, 17, 2, &x, &y));
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g_assert_cmpint (x, ==, 0);
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g_assert_cmpint (y, ==, 0);
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x = hb_font_get_glyph_h_advance (font, 17);
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g_assert_cmpint (x, ==, upem);
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extents.x_bearing = extents.y_bearing = 13;
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extents.width = extents.height = 15;
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hb_font_get_glyph_extents (font, 17, &extents);
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g_assert_cmpint (extents.x_bearing, ==, 0);
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g_assert_cmpint (extents.y_bearing, ==, 0);
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g_assert_cmpint (extents.width, ==, 0);
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g_assert_cmpint (extents.height, ==, 0);
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glyph = 3;
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g_assert (!hb_font_get_glyph (font, 17, 2, &glyph));
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g_assert_cmpint (glyph, ==, 0);
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x = hb_font_get_glyph_h_kerning (font, 17, 19);
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g_assert_cmpint (x, ==, 0);
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}
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static void
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_test_fontfuncs_nil (hb_font_funcs_t *ffuncs)
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{
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hb_blob_t *blob;
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hb_face_t *face;
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hb_font_t *font;
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hb_font_t *subfont;
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int freed = 0;
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blob = hb_blob_create (test_data, sizeof (test_data), HB_MEMORY_MODE_READONLY, NULL, NULL);
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face = hb_face_create (blob, 0);
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hb_blob_destroy (blob);
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g_assert (!hb_face_is_immutable (face));
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font = hb_font_create (face);
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g_assert (font);
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g_assert (hb_face_is_immutable (face));
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hb_face_destroy (face);
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hb_font_set_funcs (font, ffuncs, &freed, free_up);
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g_assert_cmpint (freed, ==, 0);
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_test_font_nil_funcs (font);
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subfont = hb_font_create_sub_font (font);
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g_assert (subfont);
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g_assert_cmpint (freed, ==, 0);
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hb_font_destroy (font);
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g_assert_cmpint (freed, ==, 0);
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_test_font_nil_funcs (subfont);
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hb_font_destroy (subfont);
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g_assert_cmpint (freed, ==, 1);
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}
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static void
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test_fontfuncs_empty (void)
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{
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g_assert (hb_font_funcs_get_empty ());
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g_assert (hb_font_funcs_is_immutable (hb_font_funcs_get_empty ()));
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_test_fontfuncs_nil (hb_font_funcs_get_empty ());
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}
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static void
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test_fontfuncs_nil (void)
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{
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hb_font_funcs_t *ffuncs;
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ffuncs = hb_font_funcs_create ();
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g_assert (!hb_font_funcs_is_immutable (ffuncs));
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_test_fontfuncs_nil (hb_font_funcs_get_empty ());
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hb_font_funcs_destroy (ffuncs);
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}
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static hb_bool_t
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contour_point_func1 (hb_font_t *font, void *font_data,
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hb_codepoint_t glyph, unsigned int point_index,
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hb_position_t *x, hb_position_t *y,
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void *user_data)
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{
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if (glyph == 1) {
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*x = 2;
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*y = 3;
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return TRUE;
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}
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if (glyph == 2) {
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*x = 4;
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*y = 5;
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return TRUE;
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}
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return FALSE;
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}
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static hb_bool_t
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contour_point_func2 (hb_font_t *font, void *font_data,
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hb_codepoint_t glyph, unsigned int point_index,
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hb_position_t *x, hb_position_t *y,
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void *user_data)
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{
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if (glyph == 1) {
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*x = 6;
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*y = 7;
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return TRUE;
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}
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return hb_font_get_glyph_contour_point (hb_font_get_parent (font),
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glyph, point_index, x, y);
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}
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static hb_position_t
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glyph_h_advance_func1 (hb_font_t *font, void *font_data,
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hb_codepoint_t glyph,
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void *user_data)
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{
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if (glyph == 1)
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return 8;
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return 0;
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}
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static void
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test_fontfuncs_subclassing (void)
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{
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hb_blob_t *blob;
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hb_face_t *face;
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hb_font_funcs_t *ffuncs1;
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hb_font_funcs_t *ffuncs2;
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hb_font_t *font1;
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hb_font_t *font2;
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hb_font_t *font3;
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hb_position_t x;
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hb_position_t y;
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blob = hb_blob_create (test_data, sizeof (test_data), HB_MEMORY_MODE_READONLY, NULL, NULL);
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face = hb_face_create (blob, 0);
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hb_blob_destroy (blob);
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font1 = hb_font_create (face);
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hb_face_destroy (face);
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hb_font_set_scale (font1, 10, 10);
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/* setup font1 */
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ffuncs1 = hb_font_funcs_create ();
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hb_font_funcs_set_glyph_contour_point_func (ffuncs1, contour_point_func1, NULL, NULL);
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hb_font_funcs_set_glyph_h_advance_func (ffuncs1, glyph_h_advance_func1, NULL, NULL);
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hb_font_set_funcs (font1, ffuncs1, NULL, NULL);
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hb_font_funcs_destroy (ffuncs1);
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x = y = 1;
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g_assert (hb_font_get_glyph_contour_point_for_origin (font1, 1, 2, HB_DIRECTION_LTR, &x, &y));
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g_assert_cmpint (x, ==, 2);
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g_assert_cmpint (y, ==, 3);
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g_assert (hb_font_get_glyph_contour_point_for_origin (font1, 2, 5, HB_DIRECTION_LTR, &x, &y));
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g_assert_cmpint (x, ==, 4);
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g_assert_cmpint (y, ==, 5);
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g_assert (!hb_font_get_glyph_contour_point_for_origin (font1, 3, 7, HB_DIRECTION_RTL, &x, &y));
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g_assert_cmpint (x, ==, 0);
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g_assert_cmpint (y, ==, 0);
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x = hb_font_get_glyph_h_advance (font1, 1);
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g_assert_cmpint (x, ==, 8);
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x = hb_font_get_glyph_h_advance (font1, 2);
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g_assert_cmpint (x, ==, 0);
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/* creating sub-font doesn't make the parent font immutable;
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* making a font immutable however makes it's lineage immutable.
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*/
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font2 = hb_font_create_sub_font (font1);
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font3 = hb_font_create_sub_font (font2);
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g_assert (!hb_font_is_immutable (font1));
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g_assert (!hb_font_is_immutable (font2));
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g_assert (!hb_font_is_immutable (font3));
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hb_font_make_immutable (font3);
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g_assert (hb_font_is_immutable (font1));
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g_assert (hb_font_is_immutable (font2));
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g_assert (hb_font_is_immutable (font3));
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hb_font_destroy (font2);
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hb_font_destroy (font3);
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font2 = hb_font_create_sub_font (font1);
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hb_font_destroy (font1);
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/* setup font2 to override some funcs */
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ffuncs2 = hb_font_funcs_create ();
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hb_font_funcs_set_glyph_contour_point_func (ffuncs2, contour_point_func2, NULL, NULL);
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hb_font_set_funcs (font2, ffuncs2, NULL, NULL);
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hb_font_funcs_destroy (ffuncs2);
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x = y = 1;
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g_assert (hb_font_get_glyph_contour_point_for_origin (font2, 1, 2, HB_DIRECTION_LTR, &x, &y));
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g_assert_cmpint (x, ==, 6);
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g_assert_cmpint (y, ==, 7);
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g_assert (hb_font_get_glyph_contour_point_for_origin (font2, 2, 5, HB_DIRECTION_RTL, &x, &y));
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g_assert_cmpint (x, ==, 4);
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g_assert_cmpint (y, ==, 5);
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g_assert (!hb_font_get_glyph_contour_point_for_origin (font2, 3, 7, HB_DIRECTION_LTR, &x, &y));
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g_assert_cmpint (x, ==, 0);
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g_assert_cmpint (y, ==, 0);
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x = hb_font_get_glyph_h_advance (font2, 1);
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g_assert_cmpint (x, ==, 8);
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x = hb_font_get_glyph_h_advance (font2, 2);
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g_assert_cmpint (x, ==, 0);
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/* setup font3 to override scale */
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font3 = hb_font_create_sub_font (font2);
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hb_font_set_scale (font3, 20, 30);
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x = y = 1;
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|
g_assert (hb_font_get_glyph_contour_point_for_origin (font3, 1, 2, HB_DIRECTION_RTL, &x, &y));
|
||
|
|
g_assert_cmpint (x, ==, 6*2);
|
||
|
|
g_assert_cmpint (y, ==, 7*3);
|
||
|
|
g_assert (hb_font_get_glyph_contour_point_for_origin (font3, 2, 5, HB_DIRECTION_LTR, &x, &y));
|
||
|
|
g_assert_cmpint (x, ==, 4*2);
|
||
|
|
g_assert_cmpint (y, ==, 5*3);
|
||
|
|
g_assert (!hb_font_get_glyph_contour_point_for_origin (font3, 3, 7, HB_DIRECTION_LTR, &x, &y));
|
||
|
|
g_assert_cmpint (x, ==, 0*2);
|
||
|
|
g_assert_cmpint (y, ==, 0*3);
|
||
|
|
x = hb_font_get_glyph_h_advance (font3, 1);
|
||
|
|
g_assert_cmpint (x, ==, 8*2);
|
||
|
|
x = hb_font_get_glyph_h_advance (font3, 2);
|
||
|
|
g_assert_cmpint (x, ==, 0*2);
|
||
|
|
|
||
|
|
|
||
|
|
hb_font_destroy (font3);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static void
|
||
|
|
test_font_empty (void)
|
||
|
|
{
|
||
|
|
hb_font_t *created_from_empty;
|
||
|
|
hb_font_t *created_from_null;
|
||
|
|
hb_font_t *created_sub_from_null;
|
||
|
|
|
||
|
|
g_assert (hb_font_get_empty ());
|
||
|
|
|
||
|
|
created_from_empty = hb_font_create (hb_face_get_empty ());
|
||
|
|
g_assert (hb_font_get_empty () != created_from_empty);
|
||
|
|
|
||
|
|
created_from_null = hb_font_create (NULL);
|
||
|
|
g_assert (hb_font_get_empty () != created_from_null);
|
||
|
|
|
||
|
|
created_sub_from_null = hb_font_create_sub_font (NULL);
|
||
|
|
g_assert (hb_font_get_empty () != created_sub_from_null);
|
||
|
|
|
||
|
|
g_assert (hb_font_is_immutable (hb_font_get_empty ()));
|
||
|
|
|
||
|
|
g_assert (hb_font_get_face (hb_font_get_empty ()) == hb_face_get_empty ());
|
||
|
|
g_assert (hb_font_get_parent (hb_font_get_empty ()) == NULL);
|
||
|
|
|
||
|
|
hb_font_destroy (created_sub_from_null);
|
||
|
|
hb_font_destroy (created_from_null);
|
||
|
|
hb_font_destroy (created_from_empty);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
test_font_properties (void)
|
||
|
|
{
|
||
|
|
hb_blob_t *blob;
|
||
|
|
hb_face_t *face;
|
||
|
|
hb_font_t *font;
|
||
|
|
hb_font_t *subfont;
|
||
|
|
int x_scale, y_scale;
|
||
|
|
unsigned int x_ppem, y_ppem;
|
||
|
|
unsigned int upem;
|
||
|
|
|
||
|
|
blob = hb_blob_create (test_data, sizeof (test_data), HB_MEMORY_MODE_READONLY, NULL, NULL);
|
||
|
|
face = hb_face_create (blob, 0);
|
||
|
|
hb_blob_destroy (blob);
|
||
|
|
font = hb_font_create (face);
|
||
|
|
hb_face_destroy (face);
|
||
|
|
|
||
|
|
|
||
|
|
g_assert (hb_font_get_face (font) == face);
|
||
|
|
g_assert (hb_font_get_parent (font) == hb_font_get_empty ());
|
||
|
|
subfont = hb_font_create_sub_font (font);
|
||
|
|
g_assert (hb_font_get_parent (subfont) == font);
|
||
|
|
hb_font_set_parent(subfont, NULL);
|
||
|
|
g_assert (hb_font_get_parent (subfont) == hb_font_get_empty());
|
||
|
|
hb_font_set_parent(subfont, font);
|
||
|
|
g_assert (hb_font_get_parent (subfont) == font);
|
||
|
|
hb_font_set_parent(subfont, NULL);
|
||
|
|
hb_font_make_immutable (subfont);
|
||
|
|
g_assert (hb_font_get_parent (subfont) == hb_font_get_empty());
|
||
|
|
hb_font_set_parent(subfont, font);
|
||
|
|
g_assert (hb_font_get_parent (subfont) == hb_font_get_empty());
|
||
|
|
hb_font_destroy (subfont);
|
||
|
|
|
||
|
|
|
||
|
|
/* Check scale */
|
||
|
|
|
||
|
|
upem = hb_face_get_upem (hb_font_get_face (font));
|
||
|
|
hb_font_get_scale (font, NULL, NULL);
|
||
|
|
x_scale = y_scale = 13;
|
||
|
|
hb_font_get_scale (font, &x_scale, NULL);
|
||
|
|
g_assert_cmpint (x_scale, ==, upem);
|
||
|
|
x_scale = y_scale = 13;
|
||
|
|
hb_font_get_scale (font, NULL, &y_scale);
|
||
|
|
g_assert_cmpint (y_scale, ==, upem);
|
||
|
|
x_scale = y_scale = 13;
|
||
|
|
hb_font_get_scale (font, &x_scale, &y_scale);
|
||
|
|
g_assert_cmpint (x_scale, ==, upem);
|
||
|
|
g_assert_cmpint (y_scale, ==, upem);
|
||
|
|
|
||
|
|
hb_font_set_scale (font, 17, 19);
|
||
|
|
|
||
|
|
x_scale = y_scale = 13;
|
||
|
|
hb_font_get_scale (font, &x_scale, &y_scale);
|
||
|
|
g_assert_cmpint (x_scale, ==, 17);
|
||
|
|
g_assert_cmpint (y_scale, ==, 19);
|
||
|
|
|
||
|
|
|
||
|
|
/* Check ppem */
|
||
|
|
|
||
|
|
hb_font_get_ppem (font, NULL, NULL);
|
||
|
|
x_ppem = y_ppem = 13;
|
||
|
|
hb_font_get_ppem (font, &x_ppem, NULL);
|
||
|
|
g_assert_cmpint (x_ppem, ==, 0);
|
||
|
|
x_ppem = y_ppem = 13;
|
||
|
|
hb_font_get_ppem (font, NULL, &y_ppem);
|
||
|
|
g_assert_cmpint (y_ppem, ==, 0);
|
||
|
|
x_ppem = y_ppem = 13;
|
||
|
|
hb_font_get_ppem (font, &x_ppem, &y_ppem);
|
||
|
|
g_assert_cmpint (x_ppem, ==, 0);
|
||
|
|
g_assert_cmpint (y_ppem, ==, 0);
|
||
|
|
|
||
|
|
hb_font_set_ppem (font, 17, 19);
|
||
|
|
|
||
|
|
x_ppem = y_ppem = 13;
|
||
|
|
hb_font_get_ppem (font, &x_ppem, &y_ppem);
|
||
|
|
g_assert_cmpint (x_ppem, ==, 17);
|
||
|
|
g_assert_cmpint (y_ppem, ==, 19);
|
||
|
|
|
||
|
|
|
||
|
|
/* Check immutable */
|
||
|
|
|
||
|
|
g_assert (!hb_font_is_immutable (font));
|
||
|
|
hb_font_make_immutable (font);
|
||
|
|
g_assert (hb_font_is_immutable (font));
|
||
|
|
|
||
|
|
hb_font_set_scale (font, 10, 12);
|
||
|
|
x_scale = y_scale = 13;
|
||
|
|
hb_font_get_scale (font, &x_scale, &y_scale);
|
||
|
|
g_assert_cmpint (x_scale, ==, 17);
|
||
|
|
g_assert_cmpint (y_scale, ==, 19);
|
||
|
|
|
||
|
|
hb_font_set_ppem (font, 10, 12);
|
||
|
|
x_ppem = y_ppem = 13;
|
||
|
|
hb_font_get_ppem (font, &x_ppem, &y_ppem);
|
||
|
|
g_assert_cmpint (x_ppem, ==, 17);
|
||
|
|
g_assert_cmpint (y_ppem, ==, 19);
|
||
|
|
|
||
|
|
|
||
|
|
/* sub_font now */
|
||
|
|
subfont = hb_font_create_sub_font (font);
|
||
|
|
hb_font_destroy (font);
|
||
|
|
|
||
|
|
g_assert (hb_font_get_parent (subfont) == font);
|
||
|
|
g_assert (hb_font_get_face (subfont) == face);
|
||
|
|
|
||
|
|
/* scale */
|
||
|
|
x_scale = y_scale = 13;
|
||
|
|
hb_font_get_scale (subfont, &x_scale, &y_scale);
|
||
|
|
g_assert_cmpint (x_scale, ==, 17);
|
||
|
|
g_assert_cmpint (y_scale, ==, 19);
|
||
|
|
hb_font_set_scale (subfont, 10, 12);
|
||
|
|
x_scale = y_scale = 13;
|
||
|
|
hb_font_get_scale (subfont, &x_scale, &y_scale);
|
||
|
|
g_assert_cmpint (x_scale, ==, 10);
|
||
|
|
g_assert_cmpint (y_scale, ==, 12);
|
||
|
|
x_scale = y_scale = 13;
|
||
|
|
hb_font_get_scale (font, &x_scale, &y_scale);
|
||
|
|
g_assert_cmpint (x_scale, ==, 17);
|
||
|
|
g_assert_cmpint (y_scale, ==, 19);
|
||
|
|
|
||
|
|
/* ppem */
|
||
|
|
x_ppem = y_ppem = 13;
|
||
|
|
hb_font_get_ppem (subfont, &x_ppem, &y_ppem);
|
||
|
|
g_assert_cmpint (x_ppem, ==, 17);
|
||
|
|
g_assert_cmpint (y_ppem, ==, 19);
|
||
|
|
hb_font_set_ppem (subfont, 10, 12);
|
||
|
|
x_ppem = y_ppem = 13;
|
||
|
|
hb_font_get_ppem (subfont, &x_ppem, &y_ppem);
|
||
|
|
g_assert_cmpint (x_ppem, ==, 10);
|
||
|
|
g_assert_cmpint (y_ppem, ==, 12);
|
||
|
|
x_ppem = y_ppem = 13;
|
||
|
|
hb_font_get_ppem (font, &x_ppem, &y_ppem);
|
||
|
|
g_assert_cmpint (x_ppem, ==, 17);
|
||
|
|
g_assert_cmpint (y_ppem, ==, 19);
|
||
|
|
|
||
|
|
hb_font_destroy (subfont);
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
main (int argc, char **argv)
|
||
|
|
{
|
||
|
|
hb_test_init (&argc, &argv);
|
||
|
|
|
||
|
|
hb_test_add (test_face_empty);
|
||
|
|
hb_test_add (test_face_create);
|
||
|
|
hb_test_add (test_face_createfortables);
|
||
|
|
|
||
|
|
hb_test_add (test_fontfuncs_empty);
|
||
|
|
hb_test_add (test_fontfuncs_nil);
|
||
|
|
hb_test_add (test_fontfuncs_subclassing);
|
||
|
|
|
||
|
|
hb_test_add (test_font_empty);
|
||
|
|
hb_test_add (test_font_properties);
|
||
|
|
|
||
|
|
return hb_test_run();
|
||
|
|
}
|