1 /*
2 * Copyright © 2022 Behdad Esfahbod
3 *
4 * This is part of HarfBuzz, a text shaping library.
5 *
6 * Permission is hereby granted, without written agreement and without
7 * license or royalty fees, to use, copy, modify, and distribute this
8 * software and its documentation for any purpose, provided that the
9 * above copyright notice and the following two paragraphs appear in
10 * all copies of this software.
11 *
12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
16 * DAMAGE.
17 *
18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
23 */
24
25 #include "hb-test.h"
26
27 #include <hb.h>
28
29 static void
test_maxp_and_hmtx(void)30 test_maxp_and_hmtx (void)
31 {
32 hb_face_t *face;
33 hb_font_t *font;
34
35 const char maxp_data[] = "\x00\x00\x50\x00" // version
36 "\x00\x05" // numGlyphs
37 ;
38 const char loca_data[18] = "";
39 const char hhea_data[36] =
40 "\x00\x01\x00\x00" /* FixedVersion<>version; * 0x00010000u for version 1.0. */
41 "\x02\x00" /* FWORD ascender; * Typographic ascent. */
42 "\x00\x10" /* FWORD descender; * Typographic descent. */
43 "\x00\x00" /* FWORD lineGap; * Typographic line gap. */
44 "\x00\x00" /* UFWORD advanceMax; * Maximum advance width/height value in metrics table. */
45 "\x00\x00" /* FWORD minLeadingBearing; * Minimum left/top sidebearing value in metrics table. */
46 "\x00\x00" /* FWORD minTrailingBearing; * Minimum right/bottom sidebearing value; */
47 "\x01\x00" /* FWORD maxExtent; * horizontal: Max(lsb + (xMax - xMin)), */
48 "\x00\x00" /* HBINT16 caretSlopeRise; * Used to calculate the slope of the,*/
49 "\x00\x00" /* HBINT16 caretSlopeRun; * 0 for vertical caret, 1 for horizontal. */
50 "\x00\x00" /* HBINT16 caretOffset; * The amount by which a slanted */
51 "\x00\x00" /* HBINT16 reserved1; * Set to 0. */
52 "\x00\x00" /* HBINT16 reserved2; * Set to 0. */
53 "\x00\x00" /* HBINT16 reserved3; * Set to 0. */
54 "\x00\x00" /* HBINT16 reserved4; * Set to 0. */
55 "\x00\x00" /* HBINT16 metricDataFormat; * 0 for current format. */
56 "\x00\x02" /* HBUINT16 numberOfLongMetrics; * Number of LongMetric entries in metric table. */
57 ;
58 const char hmtx_data[18] =
59 "\x00\x01\x00\x02" /* glyph 0 advance lsb */
60 "\x00\x03\x00\x04" /* glyph 1 advance lsb */
61 "\x00\x05" /* glyph 2 lsb */
62 "\x00\x06" /* glyph 3 lsb */
63 "\x00\x07" /* glyph 4 lsb */
64 "\x00\x08" /* glyph 5 advance */
65 "\x00\x09" /* glyph 6 advance */
66 ;
67
68 face = hb_face_builder_create ();
69 HB_FACE_ADD_TABLE (face, "maxp", maxp_data);
70 HB_FACE_ADD_TABLE (face, "loca", loca_data);
71 HB_FACE_ADD_TABLE (face, "hhea", hhea_data);
72 HB_FACE_ADD_TABLE (face, "hmtx", hmtx_data);
73 font = hb_font_create (face);
74 hb_face_destroy (face);
75 g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 0), ==, 1);
76 g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 1), ==, 3);
77 g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 2), ==, 3);
78 g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 3), ==, 3);
79 g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 4), ==, 3);
80 #ifndef HB_NO_BEYOND_64K
81 g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 5), ==, 8);
82 g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 6), ==, 9);
83 g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 7), ==, 9);
84 #endif
85 g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 8), ==, 0);
86 g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 9), ==, 0);
87 g_assert_cmpuint (hb_font_get_glyph_h_advance (font,10), ==, 0);
88 g_assert_cmpuint (hb_font_get_glyph_h_advance (font,11), ==, 0);
89 hb_font_destroy (font);
90 }
91
92
93 int
main(int argc,char ** argv)94 main (int argc, char **argv)
95 {
96 hb_test_init (&argc, &argv);
97
98 hb_test_add (test_maxp_and_hmtx);
99
100 return hb_test_run();
101 }
102