1 /*
2 * Copyright © 2018 Adobe Inc.
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 * Adobe Author(s): Michiharu Ariza
25 */
26
27 #include "hb-test.h"
28 #include "hb-subset-test.h"
29
30 /* Unit tests for CFF2 subsetting */
31
32 static void
33 test_subset_cff2_noop (void)
34 {
35 hb_face_t *face_abc = hb_test_open_font_file("fonts/AdobeVFPrototype.abc.otf");
36
37 hb_set_t *codepoints = hb_set_create ();
38 hb_face_t *face_abc_subset;
39 hb_set_add (codepoints, 'a');
40 hb_set_add (codepoints, 'b');
41 hb_set_add (codepoints, 'c');
42 face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
43 hb_set_destroy (codepoints);
44
45 hb_subset_test_check (face_abc, face_abc_subset, HB_TAG ('C','F','F','2'));
46
47 hb_face_destroy (face_abc_subset);
48 hb_face_destroy (face_abc);
49 }
50
51 static void
52 test_subset_cff2 (void)
53 {
54 hb_face_t *face_abc = hb_test_open_font_file ("fonts/AdobeVFPrototype.abc.otf");
55 hb_face_t *face_ac = hb_test_open_font_file ("fonts/AdobeVFPrototype.ac.otf");
56
57 hb_set_t *codepoints = hb_set_create ();
58 hb_face_t *face_abc_subset;
59 hb_set_add (codepoints, 'a');
60 hb_set_add (codepoints, 'c');
61 face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
62 hb_set_destroy (codepoints);
63
64 hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('C','F','F','2'));
65
66 hb_face_destroy (face_abc_subset);
67 hb_face_destroy (face_abc);
68 hb_face_destroy (face_ac);
69 }
70
71 static void
72 test_subset_cff2_strip_hints (void)
73 {
74 hb_face_t *face_abc = hb_test_open_font_file ("fonts/AdobeVFPrototype.abc.otf");
75 hb_face_t *face_ac = hb_test_open_font_file ("fonts/AdobeVFPrototype.ac.nohints.otf");
76
77 hb_set_t *codepoints = hb_set_create ();
78 hb_subset_input_t *input;
79 hb_face_t *face_abc_subset;
80 hb_set_add (codepoints, 'a');
81 hb_set_add (codepoints, 'c');
82 input = hb_subset_test_create_input (codepoints);
83 hb_subset_input_set_flags (input, HB_SUBSET_FLAGS_NO_HINTING);
84 face_abc_subset = hb_subset_test_create_subset (face_abc, input);
85 hb_set_destroy (codepoints);
86
87 hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('C', 'F', 'F', '2'));
88
89 hb_face_destroy (face_abc_subset);
90 hb_face_destroy (face_abc);
91 hb_face_destroy (face_ac);
92 }
93
94 static void
95 test_subset_cff2_desubr (void)
96 {
97 hb_face_t *face_abc = hb_test_open_font_file ("fonts/AdobeVFPrototype.abc.otf");
98 hb_face_t *face_ac = hb_test_open_font_file ("fonts/AdobeVFPrototype.ac.nosubrs.otf");
99
100 hb_set_t *codepoints = hb_set_create ();
101 hb_subset_input_t *input;
102 hb_face_t *face_abc_subset;
103 hb_set_add (codepoints, 'a');
104 hb_set_add (codepoints, 'c');
105 input = hb_subset_test_create_input (codepoints);
106 hb_subset_input_set_flags (input, HB_SUBSET_FLAGS_DESUBROUTINIZE);
107 face_abc_subset = hb_subset_test_create_subset (face_abc, input);
108 hb_set_destroy (codepoints);
109
110 hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('C', 'F', 'F', '2'));
111
112 hb_face_destroy (face_abc_subset);
113 hb_face_destroy (face_abc);
114 hb_face_destroy (face_ac);
115 }
116
117 static void
118 test_subset_cff2_desubr_strip_hints (void)
119 {
120 hb_face_t *face_abc = hb_test_open_font_file ("fonts/AdobeVFPrototype.abc.otf");
121 hb_face_t *face_ac = hb_test_open_font_file ("fonts/AdobeVFPrototype.ac.nosubrs.nohints.otf");
122
123 hb_set_t *codepoints = hb_set_create ();
124 hb_subset_input_t *input;
125 hb_face_t *face_abc_subset;
126 hb_set_add (codepoints, 'a');
127 hb_set_add (codepoints, 'c');
128 input = hb_subset_test_create_input (codepoints);
129 hb_subset_input_set_flags (input,
130 HB_SUBSET_FLAGS_DESUBROUTINIZE | HB_SUBSET_FLAGS_NO_HINTING);
131 face_abc_subset = hb_subset_test_create_subset (face_abc, input);
132 hb_set_destroy (codepoints);
133
134 hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('C', 'F', 'F', '2'));
135
136 hb_face_destroy (face_abc_subset);
137 hb_face_destroy (face_abc);
138 hb_face_destroy (face_ac);
139 }
140
141 static void
142 test_subset_cff2_retaingids (void)
143 {
144 hb_face_t *face_abc = hb_test_open_font_file ("fonts/AdobeVFPrototype.abc.otf");
145 hb_face_t *face_ac = hb_test_open_font_file ("fonts/AdobeVFPrototype.ac.retaingids.otf");
146
147 hb_set_t *codepoints = hb_set_create ();
148 hb_subset_input_t *input;
149 hb_face_t *face_abc_subset;
150 hb_set_add (codepoints, 'a');
151 hb_set_add (codepoints, 'c');
152 input = hb_subset_test_create_input (codepoints);
153 hb_subset_input_set_flags (input, HB_SUBSET_FLAGS_RETAIN_GIDS);
154 face_abc_subset = hb_subset_test_create_subset (face_abc, input);
155 hb_set_destroy (codepoints);
156
157 hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('C', 'F', 'F', '2'));
158
159 hb_face_destroy (face_abc_subset);
160 hb_face_destroy (face_abc);
161 hb_face_destroy (face_ac);
162 }
163
164 #ifdef HB_EXPERIMENTAL_API
165 static void
166 test_subset_cff2_iftb_requirements (void)
167 {
168 hb_face_t *face_abc = hb_test_open_font_file ("fonts/AdobeVFPrototype.abc.otf");
169 hb_face_t *face_long_off = hb_test_open_font_file ("fonts/AdobeVFPrototype.abc.long_off.otf");
170
171 hb_set_t *codepoints = hb_set_create();
172 hb_face_t *face_abc_subset;
173 hb_set_add (codepoints, 97);
174 hb_set_add (codepoints, 98);
175 hb_set_add (codepoints, 99);
176
177 hb_subset_input_t *input = hb_subset_test_create_input (codepoints);
178 hb_subset_input_set_flags (input, HB_SUBSET_FLAGS_IFTB_REQUIREMENTS);
179 face_abc_subset = hb_subset_test_create_subset (face_abc, input);
180 hb_set_destroy (codepoints);
181
182 hb_subset_test_check (face_long_off, face_abc_subset, HB_TAG ('C','F','F', '2'));
183
184 hb_face_destroy (face_abc_subset);
185 hb_face_destroy (face_abc);
186 hb_face_destroy (face_long_off);
187
188 }
189 #endif
190
191 int
192 main (int argc, char **argv)
193 {
194 hb_test_init (&argc, &argv);
195
196 hb_test_add (test_subset_cff2_noop);
197 hb_test_add (test_subset_cff2);
198 hb_test_add (test_subset_cff2_strip_hints);
199 hb_test_add (test_subset_cff2_desubr);
200 hb_test_add (test_subset_cff2_desubr_strip_hints);
201 hb_test_add (test_subset_cff2_retaingids);
202
203 #ifdef HB_EXPERIMENTAL_API
204 hb_test_add (test_subset_cff2_iftb_requirements);
205 #endif
206
207 return hb_test_run ();
208 }