1 /*
2 * Copyright © 2011 Google, 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 * Google Author(s): Behdad Esfahbod
25 */
26
27 #ifndef TEST_OT_FACE_NO_MAIN
28 #include "hb-test.h"
29 #endif
30 #include <hb-aat.h>
31 #include <hb-ot.h>
32
33 /* Unit tests for hb-ot-*.h */
34
35 /* Return some dummy result so that compiler won't just optimize things */
36 static long long
37 test_font (hb_font_t *font, hb_codepoint_t cp)
38 {
39 long long result = 0;
40
41 hb_face_t *face = hb_font_get_face (font);
42 hb_set_t *set;
43 hb_codepoint_t g = 0;
44 hb_position_t x = 0, y = 0;
45 char buf[5] = {0};
46 unsigned int len = 0;
47 hb_glyph_extents_t extents = {0};
48 hb_ot_font_set_funcs (font);
49
50 set = hb_set_create ();
51 hb_face_collect_unicodes (face, set);
52 hb_face_collect_variation_selectors (face, set);
53 hb_face_collect_variation_unicodes (face, cp, set);
54
55 hb_font_get_nominal_glyph (font, cp, &g);
56 hb_font_get_variation_glyph (font, cp, cp, &g);
57 hb_font_get_glyph_h_advance (font, cp);
58 hb_font_get_glyph_v_advance (font, cp);
59 hb_font_get_glyph_h_origin (font, cp, &x, &y);
60 hb_font_get_glyph_v_origin (font, cp, &x, &y);
61 hb_font_get_glyph_extents (font, cp, &extents);
62 hb_font_get_glyph_contour_point (font, cp, 0, &x, &y);
63 hb_font_get_glyph_name (font, cp, buf, sizeof (buf));
64 hb_font_get_glyph_from_name (font, buf, strlen (buf), &g);
65
66 hb_ot_color_has_palettes (face);
67 hb_ot_color_palette_get_count (face);
68 hb_ot_color_palette_get_name_id (face, cp);
69 hb_ot_color_palette_color_get_name_id (face, cp);
70 hb_ot_color_palette_get_flags (face, cp);
71 hb_ot_color_palette_get_colors (face, cp, 0, NULL, NULL);
72 hb_ot_color_has_layers (face);
73 hb_ot_color_glyph_get_layers (face, cp, 0, NULL, NULL);
74 hb_ot_color_has_svg (face);
75 hb_blob_destroy (hb_ot_color_glyph_reference_svg (face, cp));
76 hb_ot_color_has_png (face);
77 hb_blob_destroy (hb_ot_color_glyph_reference_png (font, cp));
78
79 {
80 hb_aat_layout_feature_type_t feature = HB_AAT_LAYOUT_FEATURE_TYPE_ALL_TYPOGRAPHIC;
81 unsigned count = 1;
82 hb_aat_layout_get_feature_types (face, 0, &count, &feature);
83 hb_aat_layout_feature_type_get_name_id (face, HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE);
84 hb_aat_layout_feature_selector_info_t setting = {0};
85 unsigned default_index;
86 count = 1;
87 hb_aat_layout_feature_type_get_selector_infos (face, HB_AAT_LAYOUT_FEATURE_TYPE_DESIGN_COMPLEXITY_TYPE, 0, &count, &setting, &default_index);
88 result += count + feature + setting.disable + setting.disable + setting.name_id + setting.reserved + default_index;
89 }
90
91 hb_set_t *lookup_indexes = hb_set_create ();
92 hb_set_add (lookup_indexes, 0);
93
94 hb_map_t *lookup_mapping = hb_map_create ();
95 hb_map_set (lookup_mapping, 0, 0);
96 hb_set_t *feature_indices = hb_set_create ();
97 hb_set_destroy (lookup_indexes);
98 hb_set_destroy (feature_indices);
99 hb_map_destroy (lookup_mapping);
100
101 hb_ot_layout_get_baseline (font, HB_OT_LAYOUT_BASELINE_TAG_HANGING, HB_DIRECTION_RTL, HB_SCRIPT_HANGUL, HB_TAG_NONE, NULL);
102
103 hb_ot_layout_has_glyph_classes (face);
104 hb_ot_layout_has_substitution (face);
105 hb_ot_layout_has_positioning (face);
106
107 hb_ot_layout_get_ligature_carets (font, HB_DIRECTION_LTR, cp, 0, NULL, NULL);
108
109 {
110 unsigned temp = 0, temp2 = 0;
111 hb_ot_name_id_t name = HB_OT_NAME_ID_FULL_NAME;
112 hb_ot_layout_get_size_params (face, &temp, &temp, &name, &temp, &temp);
113 hb_tag_t cv01 = HB_TAG ('c','v','0','1');
114 unsigned feature_index = 0;
115 hb_ot_layout_language_find_feature (face, HB_OT_TAG_GSUB, 0,
116 HB_OT_LAYOUT_DEFAULT_LANGUAGE_INDEX,
117 cv01, &feature_index);
118 hb_ot_layout_feature_get_name_ids (face, HB_OT_TAG_GSUB, feature_index,
119 &name, &name, &name, &temp, &name);
120 temp = 1;
121 hb_ot_layout_feature_get_characters (face, HB_OT_TAG_GSUB, feature_index, 0, &temp, &g);
122 temp = 1;
123 hb_ot_layout_language_get_feature_indexes (face, HB_OT_TAG_GSUB, 0, 0, 0, &temp, &temp2);
124
125 result += temp + name + feature_index + temp2;
126 }
127
128 hb_ot_math_has_data (face);
129 for (unsigned constant = HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN; constant <= HB_OT_MATH_CONSTANT_RADICAL_DEGREE_BOTTOM_RAISE_PERCENT; constant++) {
130 hb_ot_math_get_constant (font, (hb_ot_math_constant_t)constant);
131 }
132
133 hb_ot_math_get_glyph_italics_correction (font, cp);
134 hb_ot_math_get_glyph_top_accent_attachment (font, cp);
135 hb_ot_math_is_glyph_extended_shape (face, cp);
136
137 {
138 hb_ot_math_get_glyph_kerning (font, cp, HB_OT_MATH_KERN_BOTTOM_RIGHT, 0);
139 hb_ot_math_get_glyph_kernings (font, cp, HB_OT_MATH_KERN_BOTTOM_RIGHT, 0, NULL, NULL);
140 hb_ot_math_kern_entry_t entries[5];
141 unsigned count = sizeof (entries) / sizeof (entries[0]);
142 hb_ot_math_get_glyph_kernings (font, cp, HB_OT_MATH_KERN_BOTTOM_RIGHT, 0, &count, entries);
143 }
144
145 {
146 hb_ot_math_get_glyph_variants (font, cp, HB_DIRECTION_LTR, 0, NULL, NULL);
147 hb_ot_math_get_glyph_variants (font, cp, HB_DIRECTION_TTB, 0, NULL, NULL);
148 hb_ot_math_glyph_variant_t entries[5];
149 unsigned count = sizeof (entries) / sizeof (entries[0]);
150 hb_ot_math_get_glyph_variants (font, cp, HB_DIRECTION_LTR, 0, &count, entries);
151 }
152
153 {
154 hb_ot_math_get_min_connector_overlap (font, HB_DIRECTION_LTR);
155 hb_ot_math_get_glyph_assembly (font, cp, HB_DIRECTION_LTR, 0, NULL, NULL, NULL);
156 hb_ot_math_get_glyph_assembly (font, cp, HB_DIRECTION_TTB, 0, NULL, NULL, NULL);
157 hb_ot_math_glyph_part_t entries[5];
158 unsigned count = sizeof (entries) / sizeof (entries[0]);
159 hb_position_t corr;
160 hb_ot_math_get_glyph_assembly (font, cp, HB_DIRECTION_LTR, 0, &count, entries, &corr);
161 }
162
163 hb_ot_meta_get_entry_tags (face, 0, NULL, NULL);
164 hb_blob_destroy (hb_ot_meta_reference_entry (face, HB_OT_META_TAG_DESIGN_LANGUAGES));
165
166 hb_ot_metrics_get_position (font, HB_OT_METRICS_TAG_HORIZONTAL_ASCENDER, NULL);
167 hb_ot_metrics_get_variation (font, HB_OT_METRICS_TAG_UNDERLINE_OFFSET);
168 hb_ot_metrics_get_x_variation (font, HB_OT_METRICS_TAG_STRIKEOUT_OFFSET);
169 hb_ot_metrics_get_y_variation (font, HB_OT_METRICS_TAG_SUPERSCRIPT_EM_X_OFFSET);
170
171 len = sizeof (buf);
172 hb_ot_name_list_names (face, NULL);
173 hb_ot_name_get_utf8 (face, cp, NULL, &len, buf);
174 hb_ot_name_get_utf16 (face, cp, NULL, NULL, NULL);
175 hb_ot_name_get_utf32 (face, cp, NULL, NULL, NULL);
176
177 #if 0
178 hb_style_get_value (font, HB_STYLE_TAG_ITALIC);
179 hb_style_get_value (font, HB_STYLE_TAG_OPTICAL_SIZE);
180 hb_style_get_value (font, HB_STYLE_TAG_SLANT);
181 hb_style_get_value (font, HB_STYLE_TAG_WIDTH);
182 hb_style_get_value (font, HB_STYLE_TAG_WEIGHT);
183 #endif
184
185 hb_ot_var_get_axis_count (face);
186 hb_ot_var_get_axis_infos (face, 0, NULL, NULL);
187 hb_ot_var_normalize_variations (face, NULL, 0, NULL, 0);
188 hb_ot_var_normalize_coords (face, 0, NULL, NULL);
189
190 hb_draw_funcs_t *funcs = hb_draw_funcs_create ();
191 hb_font_draw_glyph (font, cp, funcs, NULL);
192 hb_draw_funcs_destroy (funcs);
193
194 hb_set_destroy (set);
195
196 return result + g + x + y + buf[0] + buf[1] + buf[2] + buf[3] + buf[4] + len +
197 extents.height + extents.width + extents.x_bearing + extents.y_bearing;
198 }
199
200 #ifndef TEST_OT_FACE_NO_MAIN
201 static void
202 test_ot_face_empty (void)
203 {
204 test_font (hb_font_get_empty (), 0);
205 }
206
207 static void
208 test_ot_var_axis_on_zero_named_instance (void)
209 {
210 hb_face_t *face = hb_test_open_font_file ("fonts/Zycon.ttf");
211 g_assert (hb_ot_var_get_axis_count (face));
212 hb_face_destroy (face);
213 }
214
215 int
216 main (int argc, char **argv)
217 {
218 hb_test_init (&argc, &argv);
219
220 hb_test_add (test_ot_face_empty);
221 hb_test_add (test_ot_var_axis_on_zero_named_instance);
222
223 return hb_test_run();
224 }
225 #endif