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 #include "hb-test.h"
28
29 /* Unit tests for hb-font.h */
30
31
32 static const char test_data[] = "test\0data";
33
34
35 static void
test_face_empty(void)36 test_face_empty (void)
37 {
38 hb_face_t *created_from_empty;
39 hb_face_t *created_from_null;
40
41 g_assert (hb_face_get_empty ());
42
43 created_from_empty = hb_face_create (hb_blob_get_empty (), 0);
44 g_assert (hb_face_get_empty () != created_from_empty);
45
46 created_from_null = hb_face_create (NULL, 0);
47 g_assert (hb_face_get_empty () != created_from_null);
48
49 g_assert (hb_face_reference_table (hb_face_get_empty (), HB_TAG ('h','e','a','d')) == hb_blob_get_empty ());
50
51 g_assert_cmpint (hb_face_get_upem (hb_face_get_empty ()), ==, 1000);
52
53 hb_face_destroy (created_from_null);
54 hb_face_destroy (created_from_empty);
55 }
56
57 static void
test_face_create(void)58 test_face_create (void)
59 {
60 hb_face_t *face;
61 hb_blob_t *blob;
62
63 blob = hb_blob_create (test_data, sizeof (test_data), HB_MEMORY_MODE_READONLY, NULL, NULL);
64 face = hb_face_create (blob, 0);
65 hb_blob_destroy (blob);
66
67 g_assert (hb_face_reference_table (face, HB_TAG ('h','e','a','d')) == hb_blob_get_empty ());
68
69 g_assert_cmpint (hb_face_get_upem (face), ==, 1000);
70
71 hb_face_destroy (face);
72 }
73
74
75 static void
free_up(void * user_data)76 free_up (void *user_data)
77 {
78 int *freed = (int *) user_data;
79
80 g_assert (!*freed);
81
82 (*freed)++;
83 }
84
85 static hb_blob_t *
get_table(hb_face_t * face HB_UNUSED,hb_tag_t tag,void * user_data HB_UNUSED)86 get_table (hb_face_t *face HB_UNUSED, hb_tag_t tag, void *user_data HB_UNUSED)
87 {
88 if (tag == HB_TAG ('a','b','c','d'))
89 return hb_blob_create (test_data, sizeof (test_data), HB_MEMORY_MODE_READONLY, NULL, NULL);
90
91 return hb_blob_get_empty ();
92 }
93
94 static void
test_face_createfortables(void)95 test_face_createfortables (void)
96 {
97 hb_face_t *face;
98 hb_blob_t *blob;
99 const char *data;
100 unsigned int len;
101 int freed = 0;
102
103 face = hb_face_create_for_tables (get_table, &freed, free_up);
104 g_assert (!freed);
105
106 g_assert (hb_face_reference_table (face, HB_TAG ('h','e','a','d')) == hb_blob_get_empty ());
107
108 blob = hb_face_reference_table (face, HB_TAG ('a','b','c','d'));
109 g_assert (blob != hb_blob_get_empty ());
110
111 data = hb_blob_get_data (blob, &len);
112 g_assert_cmpint (len, ==, sizeof (test_data));
113 g_assert (0 == memcmp (data, test_data, sizeof (test_data)));
114 hb_blob_destroy (blob);
115
116 g_assert_cmpint (hb_face_get_upem (face), ==, 1000);
117
118 hb_face_destroy (face);
119 g_assert (freed);
120 }
121
122 static void
_test_font_nil_funcs(hb_font_t * font)123 _test_font_nil_funcs (hb_font_t *font)
124 {
125 hb_codepoint_t glyph;
126 hb_position_t x, y;
127 hb_glyph_extents_t extents;
128 unsigned int upem = hb_face_get_upem (hb_font_get_face (font));
129
130 x = y = 13;
131 g_assert (!hb_font_get_glyph_contour_point (font, 17, 2, &x, &y));
132 g_assert_cmpint (x, ==, 0);
133 g_assert_cmpint (y, ==, 0);
134
135 x = hb_font_get_glyph_h_advance (font, 17);
136 g_assert_cmpint (x, ==, upem);
137
138 extents.x_bearing = extents.y_bearing = 13;
139 extents.width = extents.height = 15;
140 hb_font_get_glyph_extents (font, 17, &extents);
141 g_assert_cmpint (extents.x_bearing, ==, 0);
142 g_assert_cmpint (extents.y_bearing, ==, 0);
143 g_assert_cmpint (extents.width, ==, 0);
144 g_assert_cmpint (extents.height, ==, 0);
145
146 glyph = 3;
147 g_assert (!hb_font_get_glyph (font, 17, 2, &glyph));
148 g_assert_cmpint (glyph, ==, 0);
149 }
150
151 static void
_test_fontfuncs_nil(hb_font_funcs_t * ffuncs)152 _test_fontfuncs_nil (hb_font_funcs_t *ffuncs)
153 {
154 hb_blob_t *blob;
155 hb_face_t *face;
156 hb_font_t *font;
157 hb_font_t *subfont;
158 int freed = 0;
159
160 blob = hb_blob_create (test_data, sizeof (test_data), HB_MEMORY_MODE_READONLY, NULL, NULL);
161 face = hb_face_create (blob, 0);
162 hb_blob_destroy (blob);
163 g_assert (!hb_face_is_immutable (face));
164 font = hb_font_create (face);
165 g_assert (font);
166 g_assert (hb_face_is_immutable (face));
167 hb_face_destroy (face);
168
169
170 hb_font_set_funcs (font, ffuncs, &freed, free_up);
171 g_assert_cmpint (freed, ==, 0);
172
173 _test_font_nil_funcs (font);
174
175 subfont = hb_font_create_sub_font (font);
176 g_assert (subfont);
177
178 g_assert_cmpint (freed, ==, 0);
179 hb_font_destroy (font);
180 g_assert_cmpint (freed, ==, 0);
181
182 _test_font_nil_funcs (subfont);
183
184 hb_font_destroy (subfont);
185 g_assert_cmpint (freed, ==, 1);
186 }
187
188 static void
test_fontfuncs_empty(void)189 test_fontfuncs_empty (void)
190 {
191 g_assert (hb_font_funcs_get_empty ());
192 g_assert (hb_font_funcs_is_immutable (hb_font_funcs_get_empty ()));
193 _test_fontfuncs_nil (hb_font_funcs_get_empty ());
194 }
195
196 static void
test_fontfuncs_nil(void)197 test_fontfuncs_nil (void)
198 {
199 hb_font_funcs_t *ffuncs;
200
201 ffuncs = hb_font_funcs_create ();
202
203 g_assert (!hb_font_funcs_is_immutable (ffuncs));
204 _test_fontfuncs_nil (hb_font_funcs_get_empty ());
205
206 hb_font_funcs_destroy (ffuncs);
207 }
208
209 static hb_bool_t
contour_point_func1(hb_font_t * font HB_UNUSED,void * font_data HB_UNUSED,hb_codepoint_t glyph,unsigned int point_index HB_UNUSED,hb_position_t * x,hb_position_t * y,void * user_data HB_UNUSED)210 contour_point_func1 (hb_font_t *font HB_UNUSED, void *font_data HB_UNUSED,
211 hb_codepoint_t glyph, unsigned int point_index HB_UNUSED,
212 hb_position_t *x, hb_position_t *y,
213 void *user_data HB_UNUSED)
214 {
215 if (glyph == 1) {
216 *x = 2;
217 *y = 3;
218 return TRUE;
219 }
220 if (glyph == 2) {
221 *x = 4;
222 *y = 5;
223 return TRUE;
224 }
225
226 return FALSE;
227 }
228
229 static hb_bool_t
contour_point_func2(hb_font_t * font,void * font_data HB_UNUSED,hb_codepoint_t glyph,unsigned int point_index,hb_position_t * x,hb_position_t * y,void * user_data HB_UNUSED)230 contour_point_func2 (hb_font_t *font, void *font_data HB_UNUSED,
231 hb_codepoint_t glyph, unsigned int point_index,
232 hb_position_t *x, hb_position_t *y,
233 void *user_data HB_UNUSED)
234 {
235 if (glyph == 1) {
236 *x = 6;
237 *y = 7;
238 return TRUE;
239 }
240
241 return hb_font_get_glyph_contour_point (hb_font_get_parent (font),
242 glyph, point_index, x, y);
243 }
244
245 static hb_position_t
glyph_h_advance_func1(hb_font_t * font HB_UNUSED,void * font_data HB_UNUSED,hb_codepoint_t glyph,void * user_data HB_UNUSED)246 glyph_h_advance_func1 (hb_font_t *font HB_UNUSED, void *font_data HB_UNUSED,
247 hb_codepoint_t glyph,
248 void *user_data HB_UNUSED)
249 {
250 if (glyph == 1)
251 return 8;
252
253 return 0;
254 }
255
256 static void
test_fontfuncs_subclassing(void)257 test_fontfuncs_subclassing (void)
258 {
259 hb_blob_t *blob;
260 hb_face_t *face;
261
262 hb_font_funcs_t *ffuncs1;
263 hb_font_funcs_t *ffuncs2;
264
265 hb_font_t *font1;
266 hb_font_t *font2;
267 hb_font_t *font3;
268
269 hb_position_t x;
270 hb_position_t y;
271
272 blob = hb_blob_create (test_data, sizeof (test_data), HB_MEMORY_MODE_READONLY, NULL, NULL);
273 face = hb_face_create (blob, 0);
274 hb_blob_destroy (blob);
275 font1 = hb_font_create (face);
276 hb_face_destroy (face);
277 hb_font_set_scale (font1, 10, 10);
278
279 /* setup font1 */
280 ffuncs1 = hb_font_funcs_create ();
281 hb_font_funcs_set_glyph_contour_point_func (ffuncs1, contour_point_func1, NULL, NULL);
282 hb_font_funcs_set_glyph_h_advance_func (ffuncs1, glyph_h_advance_func1, NULL, NULL);
283 hb_font_set_funcs (font1, ffuncs1, NULL, NULL);
284 hb_font_funcs_destroy (ffuncs1);
285
286 x = y = 1;
287 g_assert (hb_font_get_glyph_contour_point_for_origin (font1, 1, 2, HB_DIRECTION_LTR, &x, &y));
288 g_assert_cmpint (x, ==, 2);
289 g_assert_cmpint (y, ==, 3);
290 g_assert (hb_font_get_glyph_contour_point_for_origin (font1, 2, 5, HB_DIRECTION_LTR, &x, &y));
291 g_assert_cmpint (x, ==, 4);
292 g_assert_cmpint (y, ==, 5);
293 g_assert (!hb_font_get_glyph_contour_point_for_origin (font1, 3, 7, HB_DIRECTION_RTL, &x, &y));
294 g_assert_cmpint (x, ==, 0);
295 g_assert_cmpint (y, ==, 0);
296 x = hb_font_get_glyph_h_advance (font1, 1);
297 g_assert_cmpint (x, ==, 8);
298 x = hb_font_get_glyph_h_advance (font1, 2);
299 g_assert_cmpint (x, ==, 0);
300
301 /* creating sub-font doesn't make the parent font immutable;
302 * making a font immutable however makes it's lineage immutable.
303 */
304 font2 = hb_font_create_sub_font (font1);
305 font3 = hb_font_create_sub_font (font2);
306 g_assert (!hb_font_is_immutable (font1));
307 g_assert (!hb_font_is_immutable (font2));
308 g_assert (!hb_font_is_immutable (font3));
309 hb_font_make_immutable (font3);
310 g_assert (hb_font_is_immutable (font1));
311 g_assert (hb_font_is_immutable (font2));
312 g_assert (hb_font_is_immutable (font3));
313 hb_font_destroy (font2);
314 hb_font_destroy (font3);
315
316 font2 = hb_font_create_sub_font (font1);
317 hb_font_destroy (font1);
318
319 /* setup font2 to override some funcs */
320 ffuncs2 = hb_font_funcs_create ();
321 hb_font_funcs_set_glyph_contour_point_func (ffuncs2, contour_point_func2, NULL, NULL);
322 hb_font_set_funcs (font2, ffuncs2, NULL, NULL);
323 hb_font_funcs_destroy (ffuncs2);
324
325 x = y = 1;
326 g_assert (hb_font_get_glyph_contour_point_for_origin (font2, 1, 2, HB_DIRECTION_LTR, &x, &y));
327 g_assert_cmpint (x, ==, 6);
328 g_assert_cmpint (y, ==, 7);
329 g_assert (hb_font_get_glyph_contour_point_for_origin (font2, 2, 5, HB_DIRECTION_RTL, &x, &y));
330 g_assert_cmpint (x, ==, 4);
331 g_assert_cmpint (y, ==, 5);
332 g_assert (!hb_font_get_glyph_contour_point_for_origin (font2, 3, 7, HB_DIRECTION_LTR, &x, &y));
333 g_assert_cmpint (x, ==, 0);
334 g_assert_cmpint (y, ==, 0);
335 x = hb_font_get_glyph_h_advance (font2, 1);
336 g_assert_cmpint (x, ==, 8);
337 x = hb_font_get_glyph_h_advance (font2, 2);
338 g_assert_cmpint (x, ==, 0);
339
340 /* setup font3 to override scale */
341 font3 = hb_font_create_sub_font (font2);
342 hb_font_set_scale (font3, 20, 30);
343
344 x = y = 1;
345 g_assert (hb_font_get_glyph_contour_point_for_origin (font3, 1, 2, HB_DIRECTION_RTL, &x, &y));
346 g_assert_cmpint (x, ==, 6*2);
347 g_assert_cmpint (y, ==, 7*3);
348 g_assert (hb_font_get_glyph_contour_point_for_origin (font3, 2, 5, HB_DIRECTION_LTR, &x, &y));
349 g_assert_cmpint (x, ==, 4*2);
350 g_assert_cmpint (y, ==, 5*3);
351 g_assert (!hb_font_get_glyph_contour_point_for_origin (font3, 3, 7, HB_DIRECTION_LTR, &x, &y));
352 g_assert_cmpint (x, ==, 0*2);
353 g_assert_cmpint (y, ==, 0*3);
354 x = hb_font_get_glyph_h_advance (font3, 1);
355 g_assert_cmpint (x, ==, 8*2);
356 x = hb_font_get_glyph_h_advance (font3, 2);
357 g_assert_cmpint (x, ==, 0*2);
358
359
360 hb_font_destroy (font3);
361 hb_font_destroy (font2);
362 }
363
364 static hb_bool_t
nominal_glyph_func(hb_font_t * font HB_UNUSED,void * font_data HB_UNUSED,hb_codepoint_t unicode HB_UNUSED,hb_codepoint_t * glyph,void * user_data HB_UNUSED)365 nominal_glyph_func (hb_font_t *font HB_UNUSED,
366 void *font_data HB_UNUSED,
367 hb_codepoint_t unicode HB_UNUSED,
368 hb_codepoint_t *glyph,
369 void *user_data HB_UNUSED)
370 {
371 *glyph = 0;
372 return FALSE;
373 }
374
375 static unsigned int
nominal_glyphs_func(hb_font_t * font HB_UNUSED,void * font_data HB_UNUSED,unsigned int count HB_UNUSED,const hb_codepoint_t * first_unicode HB_UNUSED,unsigned int unicode_stride HB_UNUSED,hb_codepoint_t * first_glyph HB_UNUSED,unsigned int glyph_stride HB_UNUSED,void * user_data HB_UNUSED)376 nominal_glyphs_func (hb_font_t *font HB_UNUSED,
377 void *font_data HB_UNUSED,
378 unsigned int count HB_UNUSED,
379 const hb_codepoint_t *first_unicode HB_UNUSED,
380 unsigned int unicode_stride HB_UNUSED,
381 hb_codepoint_t *first_glyph HB_UNUSED,
382 unsigned int glyph_stride HB_UNUSED,
383 void *user_data HB_UNUSED)
384 {
385 return 0;
386 }
387
388 static void
test_fontfuncs_parallels(void)389 test_fontfuncs_parallels (void)
390 {
391 hb_blob_t *blob;
392 hb_face_t *face;
393
394 hb_font_funcs_t *ffuncs1;
395 hb_font_funcs_t *ffuncs2;
396
397 hb_font_t *font0;
398 hb_font_t *font1;
399 hb_font_t *font2;
400 hb_codepoint_t glyph;
401
402 blob = hb_blob_create (test_data, sizeof (test_data), HB_MEMORY_MODE_READONLY, NULL, NULL);
403 face = hb_face_create (blob, 0);
404 hb_blob_destroy (blob);
405 font0 = hb_font_create (face);
406 hb_face_destroy (face);
407
408 /* setup sub-font1 */
409 font1 = hb_font_create_sub_font (font0);
410 hb_font_destroy (font0);
411 ffuncs1 = hb_font_funcs_create ();
412 hb_font_funcs_set_nominal_glyph_func (ffuncs1, nominal_glyph_func, NULL, NULL);
413 hb_font_set_funcs (font1, ffuncs1, NULL, NULL);
414 hb_font_funcs_destroy (ffuncs1);
415
416 /* setup sub-font2 */
417 font2 = hb_font_create_sub_font (font1);
418 hb_font_destroy (font1);
419 ffuncs2 = hb_font_funcs_create ();
420 hb_font_funcs_set_nominal_glyphs_func (ffuncs1, nominal_glyphs_func, NULL, NULL);
421 hb_font_set_funcs (font2, ffuncs2, NULL, NULL);
422 hb_font_funcs_destroy (ffuncs2);
423
424 /* Just test that calling get_nominal_glyph doesn't infinite-loop. */
425 hb_font_get_nominal_glyph (font2, 0x0020u, &glyph);
426
427 hb_font_destroy (font2);
428 }
429
430 static void
test_font_empty(void)431 test_font_empty (void)
432 {
433 hb_font_t *created_from_empty;
434 hb_font_t *created_from_null;
435 hb_font_t *created_sub_from_null;
436
437 g_assert (hb_font_get_empty ());
438
439 created_from_empty = hb_font_create (hb_face_get_empty ());
440 g_assert (hb_font_get_empty () != created_from_empty);
441
442 created_from_null = hb_font_create (NULL);
443 g_assert (hb_font_get_empty () != created_from_null);
444
445 created_sub_from_null = hb_font_create_sub_font (NULL);
446 g_assert (hb_font_get_empty () != created_sub_from_null);
447
448 g_assert (hb_font_is_immutable (hb_font_get_empty ()));
449
450 g_assert (hb_font_get_face (hb_font_get_empty ()) == hb_face_get_empty ());
451 g_assert (hb_font_get_parent (hb_font_get_empty ()) == NULL);
452
453 hb_font_destroy (created_sub_from_null);
454 hb_font_destroy (created_from_null);
455 hb_font_destroy (created_from_empty);
456 }
457
458 static void
test_font_properties(void)459 test_font_properties (void)
460 {
461 hb_blob_t *blob;
462 hb_face_t *face;
463 hb_font_t *font;
464 hb_font_t *subfont;
465 int x_scale, y_scale;
466 unsigned int x_ppem, y_ppem;
467 unsigned int upem;
468
469 blob = hb_blob_create (test_data, sizeof (test_data), HB_MEMORY_MODE_READONLY, NULL, NULL);
470 face = hb_face_create (blob, 0);
471 hb_blob_destroy (blob);
472 font = hb_font_create (face);
473 hb_face_destroy (face);
474
475
476 g_assert (hb_font_get_face (font) == face);
477 g_assert (hb_font_get_parent (font) == hb_font_get_empty ());
478 subfont = hb_font_create_sub_font (font);
479 g_assert (hb_font_get_parent (subfont) == font);
480 hb_font_set_parent(subfont, NULL);
481 g_assert (hb_font_get_parent (subfont) == hb_font_get_empty());
482 hb_font_set_parent(subfont, font);
483 g_assert (hb_font_get_parent (subfont) == font);
484 hb_font_set_parent(subfont, NULL);
485 hb_font_make_immutable (subfont);
486 g_assert (hb_font_get_parent (subfont) == hb_font_get_empty());
487 hb_font_set_parent(subfont, font);
488 g_assert (hb_font_get_parent (subfont) == hb_font_get_empty());
489 hb_font_destroy (subfont);
490
491
492 /* Check scale */
493
494 upem = hb_face_get_upem (hb_font_get_face (font));
495 hb_font_get_scale (font, NULL, NULL);
496 x_scale = y_scale = 13;
497 hb_font_get_scale (font, &x_scale, NULL);
498 g_assert_cmpint (x_scale, ==, upem);
499 x_scale = y_scale = 13;
500 hb_font_get_scale (font, NULL, &y_scale);
501 g_assert_cmpint (y_scale, ==, upem);
502 x_scale = y_scale = 13;
503 hb_font_get_scale (font, &x_scale, &y_scale);
504 g_assert_cmpint (x_scale, ==, upem);
505 g_assert_cmpint (y_scale, ==, upem);
506
507 hb_font_set_scale (font, 17, 19);
508
509 x_scale = y_scale = 13;
510 hb_font_get_scale (font, &x_scale, &y_scale);
511 g_assert_cmpint (x_scale, ==, 17);
512 g_assert_cmpint (y_scale, ==, 19);
513
514
515 /* Check ppem */
516
517 hb_font_get_ppem (font, NULL, NULL);
518 x_ppem = y_ppem = 13;
519 hb_font_get_ppem (font, &x_ppem, NULL);
520 g_assert_cmpint (x_ppem, ==, 0);
521 x_ppem = y_ppem = 13;
522 hb_font_get_ppem (font, NULL, &y_ppem);
523 g_assert_cmpint (y_ppem, ==, 0);
524 x_ppem = y_ppem = 13;
525 hb_font_get_ppem (font, &x_ppem, &y_ppem);
526 g_assert_cmpint (x_ppem, ==, 0);
527 g_assert_cmpint (y_ppem, ==, 0);
528
529 hb_font_set_ppem (font, 17, 19);
530
531 x_ppem = y_ppem = 13;
532 hb_font_get_ppem (font, &x_ppem, &y_ppem);
533 g_assert_cmpint (x_ppem, ==, 17);
534 g_assert_cmpint (y_ppem, ==, 19);
535
536 /* Check ptem */
537 g_assert_cmpint (hb_font_get_ptem (font), ==, 0);
538 hb_font_set_ptem (font, 42);
539 g_assert_cmpint (hb_font_get_ptem (font), ==, 42);
540
541
542 /* Check immutable */
543
544 g_assert (!hb_font_is_immutable (font));
545 hb_font_make_immutable (font);
546 g_assert (hb_font_is_immutable (font));
547
548 hb_font_set_scale (font, 10, 12);
549 x_scale = y_scale = 13;
550 hb_font_get_scale (font, &x_scale, &y_scale);
551 g_assert_cmpint (x_scale, ==, 17);
552 g_assert_cmpint (y_scale, ==, 19);
553
554 hb_font_set_ppem (font, 10, 12);
555 x_ppem = y_ppem = 13;
556 hb_font_get_ppem (font, &x_ppem, &y_ppem);
557 g_assert_cmpint (x_ppem, ==, 17);
558 g_assert_cmpint (y_ppem, ==, 19);
559
560
561 /* sub_font now */
562 subfont = hb_font_create_sub_font (font);
563 hb_font_destroy (font);
564
565 g_assert (hb_font_get_parent (subfont) == font);
566 g_assert (hb_font_get_face (subfont) == face);
567
568 /* scale */
569 x_scale = y_scale = 13;
570 hb_font_get_scale (subfont, &x_scale, &y_scale);
571 g_assert_cmpint (x_scale, ==, 17);
572 g_assert_cmpint (y_scale, ==, 19);
573 hb_font_set_scale (subfont, 10, 12);
574 x_scale = y_scale = 13;
575 hb_font_get_scale (subfont, &x_scale, &y_scale);
576 g_assert_cmpint (x_scale, ==, 10);
577 g_assert_cmpint (y_scale, ==, 12);
578 x_scale = y_scale = 13;
579 hb_font_get_scale (font, &x_scale, &y_scale);
580 g_assert_cmpint (x_scale, ==, 17);
581 g_assert_cmpint (y_scale, ==, 19);
582
583 /* ppem */
584 x_ppem = y_ppem = 13;
585 hb_font_get_ppem (subfont, &x_ppem, &y_ppem);
586 g_assert_cmpint (x_ppem, ==, 17);
587 g_assert_cmpint (y_ppem, ==, 19);
588 hb_font_set_ppem (subfont, 10, 12);
589 x_ppem = y_ppem = 13;
590 hb_font_get_ppem (subfont, &x_ppem, &y_ppem);
591 g_assert_cmpint (x_ppem, ==, 10);
592 g_assert_cmpint (y_ppem, ==, 12);
593 x_ppem = y_ppem = 13;
594 hb_font_get_ppem (font, &x_ppem, &y_ppem);
595 g_assert_cmpint (x_ppem, ==, 17);
596 g_assert_cmpint (y_ppem, ==, 19);
597
598 hb_font_destroy (subfont);
599 }
600
601 int
main(int argc,char ** argv)602 main (int argc, char **argv)
603 {
604 hb_test_init (&argc, &argv);
605
606 hb_test_add (test_face_empty);
607 hb_test_add (test_face_create);
608 hb_test_add (test_face_createfortables);
609
610 hb_test_add (test_fontfuncs_empty);
611 hb_test_add (test_fontfuncs_nil);
612 hb_test_add (test_fontfuncs_subclassing);
613 hb_test_add (test_fontfuncs_parallels);
614
615 hb_test_add (test_font_empty);
616 hb_test_add (test_font_properties);
617
618 return hb_test_run();
619 }
620