source: mainline/uspace/lib/gfx/test/coord.c@ c45d8696

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since c45d8696 was afcf704, checked in by Jiri Svoboda <jiri@…>, 5 years ago

Allow GUI direct access to window buffer
  • Property mode set to 100644
File size: 17.6 KB
Line 
1/*
2 * Copyright (c) 2019 Jiri Svoboda
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <gfx/coord.h>
30#include <pcut/pcut.h>
31
32PCUT_INIT;
33
34PCUT_TEST_SUITE(coord);
35
36/** gfx_coord2_add should add two coordinate vectors */
37PCUT_TEST(coord2_add)
38{
39 gfx_coord2_t a, b;
40 gfx_coord2_t d;
41
42 a.x = 10;
43 a.y = 11;
44 b.x = 20;
45 b.y = 22;
46
47 gfx_coord2_add(&a, &b, &d);
48
49 PCUT_ASSERT_INT_EQUALS(a.x + b.x, d.x);
50 PCUT_ASSERT_INT_EQUALS(a.y + b.y, d.y);
51}
52
53/** gfx_coord2_subtract should subtract two coordinate vectors */
54PCUT_TEST(coord2_subtract)
55{
56 gfx_coord2_t a, b;
57 gfx_coord2_t d;
58
59 a.x = 10;
60 a.y = 11;
61 b.x = 20;
62 b.y = 22;
63
64 gfx_coord2_subtract(&a, &b, &d);
65
66 PCUT_ASSERT_INT_EQUALS(a.x - b.x, d.x);
67 PCUT_ASSERT_INT_EQUALS(a.y - b.y, d.y);
68}
69
70/** gfx_coord2_clip with point to lower-left of clipping rectangle */
71PCUT_TEST(coord2_clip_ll)
72{
73 gfx_coord2_t p;
74 gfx_coord2_t cp;
75 gfx_rect_t rect;
76
77 p.x = 1;
78 p.y = 2;
79
80 rect.p0.x = 3;
81 rect.p0.y = 4;
82 rect.p1.x = 5;
83 rect.p1.y = 6;
84
85 gfx_coord2_clip(&p, &rect, &cp);
86
87 PCUT_ASSERT_INT_EQUALS(3, cp.x);
88 PCUT_ASSERT_INT_EQUALS(4, cp.y);
89}
90
91/** gfx_coord2_clip with point inside the clipping rectangle */
92PCUT_TEST(coord2_clip_mm)
93{
94 gfx_coord2_t p;
95 gfx_coord2_t cp;
96 gfx_rect_t rect;
97
98 p.x = 2;
99 p.y = 3;
100
101 rect.p0.x = 1;
102 rect.p0.y = 2;
103 rect.p1.x = 3;
104 rect.p1.y = 4;
105
106 gfx_coord2_clip(&p, &rect, &cp);
107
108 PCUT_ASSERT_INT_EQUALS(2, cp.x);
109 PCUT_ASSERT_INT_EQUALS(3, cp.y);
110}
111
112/** gfx_coord2_clip with point to upper-right of clipping rectangle */
113PCUT_TEST(coord2_clip_hh)
114{
115 gfx_coord2_t p;
116 gfx_coord2_t cp;
117 gfx_rect_t rect;
118
119 p.x = 5;
120 p.y = 6;
121
122 rect.p0.x = 1;
123 rect.p0.y = 2;
124 rect.p1.x = 3;
125 rect.p1.y = 4;
126
127 gfx_coord2_clip(&p, &rect, &cp);
128
129 PCUT_ASSERT_INT_EQUALS(2, cp.x);
130 PCUT_ASSERT_INT_EQUALS(3, cp.y);
131}
132
133/** gfx_coord2_project projects pixel from one rectangle to another */
134PCUT_TEST(coord2_project)
135{
136 gfx_coord2_t a, d;
137 gfx_rect_t srect, drect;
138
139 srect.p0.x = 10;
140 srect.p0.y = 10;
141 srect.p1.x = 20 + 1;
142 srect.p1.y = 20 + 1;
143
144 drect.p0.x = 100;
145 drect.p0.y = 100;
146 drect.p1.x = 200 + 1;
147 drect.p1.y = 200 + 1;
148
149 a.x = 10;
150 a.y = 10;
151 gfx_coord2_project(&a, &srect, &drect, &d);
152 PCUT_ASSERT_INT_EQUALS(100, d.x);
153 PCUT_ASSERT_INT_EQUALS(100, d.y);
154
155 a.x = 15;
156 a.y = 15;
157 gfx_coord2_project(&a, &srect, &drect, &d);
158 PCUT_ASSERT_INT_EQUALS(150, d.x);
159 PCUT_ASSERT_INT_EQUALS(150, d.y);
160
161 a.x = 12;
162 a.y = 16;
163 gfx_coord2_project(&a, &srect, &drect, &d);
164 PCUT_ASSERT_INT_EQUALS(120, d.x);
165 PCUT_ASSERT_INT_EQUALS(160, d.y);
166
167 a.x = 20;
168 a.y = 20;
169 gfx_coord2_project(&a, &srect, &drect, &d);
170 PCUT_ASSERT_INT_EQUALS(200, d.x);
171 PCUT_ASSERT_INT_EQUALS(200, d.y);
172}
173
174/** gfx_rect_translate should translate rectangle */
175PCUT_TEST(rect_translate)
176{
177 gfx_coord2_t offs;
178 gfx_rect_t srect;
179 gfx_rect_t drect;
180
181 offs.x = 5;
182 offs.y = 6;
183
184 srect.p0.x = 10;
185 srect.p0.y = 11;
186 srect.p1.x = 20;
187 srect.p1.y = 22;
188
189 gfx_rect_translate(&offs, &srect, &drect);
190
191 PCUT_ASSERT_INT_EQUALS(offs.x + srect.p0.x, drect.p0.x);
192 PCUT_ASSERT_INT_EQUALS(offs.y + srect.p0.y, drect.p0.y);
193 PCUT_ASSERT_INT_EQUALS(offs.x + srect.p1.x, drect.p1.x);
194 PCUT_ASSERT_INT_EQUALS(offs.y + srect.p1.y, drect.p1.y);
195}
196
197/** gfx_rect_rtranslate should reverse-translate rectangle */
198PCUT_TEST(rect_rtranslate)
199{
200 gfx_coord2_t offs;
201 gfx_rect_t srect;
202 gfx_rect_t drect;
203
204 offs.x = 5;
205 offs.y = 6;
206
207 srect.p0.x = 10;
208 srect.p0.y = 11;
209 srect.p1.x = 20;
210 srect.p1.y = 22;
211
212 gfx_rect_rtranslate(&offs, &srect, &drect);
213
214 PCUT_ASSERT_INT_EQUALS(srect.p0.x - offs.x, drect.p0.x);
215 PCUT_ASSERT_INT_EQUALS(srect.p0.y - offs.y, drect.p0.y);
216 PCUT_ASSERT_INT_EQUALS(srect.p1.x - offs.x, drect.p1.x);
217 PCUT_ASSERT_INT_EQUALS(srect.p1.y - offs.y, drect.p1.y);
218}
219
220/** Sorting span with lower start and higher end point results in the same span. */
221PCUT_TEST(span_points_sort_asc)
222{
223 gfx_coord_t a, b;
224
225 gfx_span_points_sort(1, 2, &a, &b);
226 PCUT_ASSERT_INT_EQUALS(1, a);
227 PCUT_ASSERT_INT_EQUALS(2, b);
228}
229
230/** Sorting span with same start and end point results in the same span. */
231PCUT_TEST(span_points_sort_equal)
232{
233 gfx_coord_t a, b;
234
235 gfx_span_points_sort(1, 1, &a, &b);
236 PCUT_ASSERT_INT_EQUALS(1, a);
237 PCUT_ASSERT_INT_EQUALS(1, b);
238}
239
240/** Sorting span with hight start and lower end point results in transposed span. */
241PCUT_TEST(span_points_sort_desc)
242{
243 gfx_coord_t a, b;
244
245 gfx_span_points_sort(1, 0, &a, &b);
246 PCUT_ASSERT_INT_EQUALS(1, a);
247 PCUT_ASSERT_INT_EQUALS(2, b);
248}
249
250/** Rectangle envelope with first rectangle empty should return the second rectangle. */
251PCUT_TEST(rect_envelope_a_empty)
252{
253 gfx_rect_t a;
254 gfx_rect_t b;
255 gfx_rect_t e;
256
257 a.p0.x = 0;
258 a.p0.y = 0;
259 a.p1.x = 0;
260 a.p1.y = 0;
261
262 b.p0.x = 1;
263 b.p0.y = 2;
264 b.p1.x = 3;
265 b.p1.y = 4;
266
267 gfx_rect_envelope(&a, &b, &e);
268 PCUT_ASSERT_INT_EQUALS(1, e.p0.x);
269 PCUT_ASSERT_INT_EQUALS(2, e.p0.y);
270 PCUT_ASSERT_INT_EQUALS(3, e.p1.x);
271 PCUT_ASSERT_INT_EQUALS(4, e.p1.y);
272}
273
274/** Rectangle envelope with second rectangle empty should return the first rectangle. */
275PCUT_TEST(rect_envelope_b_empty)
276{
277 gfx_rect_t a;
278 gfx_rect_t b;
279 gfx_rect_t e;
280
281 a.p0.x = 1;
282 a.p0.y = 2;
283 a.p1.x = 3;
284 a.p1.y = 4;
285
286 b.p0.x = 0;
287 b.p0.y = 0;
288 b.p1.x = 0;
289 b.p1.y = 0;
290
291 gfx_rect_envelope(&a, &b, &e);
292 PCUT_ASSERT_INT_EQUALS(1, e.p0.x);
293 PCUT_ASSERT_INT_EQUALS(2, e.p0.y);
294 PCUT_ASSERT_INT_EQUALS(3, e.p1.x);
295 PCUT_ASSERT_INT_EQUALS(4, e.p1.y);
296}
297
298/** Rectangle envelope, a has both coordinates lower than b */
299PCUT_TEST(rect_envelope_nonempty_a_lt_b)
300{
301 gfx_rect_t a;
302 gfx_rect_t b;
303 gfx_rect_t e;
304
305 a.p0.x = 1;
306 a.p0.y = 2;
307 a.p1.x = 3;
308 a.p1.y = 4;
309
310 b.p0.x = 5;
311 b.p0.y = 6;
312 b.p1.x = 7;
313 b.p1.y = 8;
314
315 gfx_rect_envelope(&a, &b, &e);
316 PCUT_ASSERT_INT_EQUALS(1, e.p0.x);
317 PCUT_ASSERT_INT_EQUALS(2, e.p0.y);
318 PCUT_ASSERT_INT_EQUALS(7, e.p1.x);
319 PCUT_ASSERT_INT_EQUALS(8, e.p1.y);
320}
321
322/** Rectangle envelope, a has both coordinates higher than b */
323PCUT_TEST(rect_envelope_nonempty_a_gt_b)
324{
325 gfx_rect_t a;
326 gfx_rect_t b;
327 gfx_rect_t e;
328
329 a.p0.x = 5;
330 a.p0.y = 6;
331 a.p1.x = 7;
332 a.p1.y = 8;
333
334 b.p0.x = 1;
335 b.p0.y = 2;
336 b.p1.x = 3;
337 b.p1.y = 4;
338
339 gfx_rect_envelope(&a, &b, &e);
340 PCUT_ASSERT_INT_EQUALS(1, e.p0.x);
341 PCUT_ASSERT_INT_EQUALS(2, e.p0.y);
342 PCUT_ASSERT_INT_EQUALS(7, e.p1.x);
343 PCUT_ASSERT_INT_EQUALS(8, e.p1.y);
344}
345
346/** Rectangle envelope, a is inside b */
347PCUT_TEST(rect_envelope_nonempty_a_inside_b)
348{
349 gfx_rect_t a;
350 gfx_rect_t b;
351 gfx_rect_t e;
352
353 a.p0.x = 1;
354 a.p0.y = 2;
355 a.p1.x = 7;
356 a.p1.y = 8;
357
358 b.p0.x = 3;
359 b.p0.y = 4;
360 b.p1.x = 5;
361 b.p1.y = 6;
362
363 gfx_rect_envelope(&a, &b, &e);
364 PCUT_ASSERT_INT_EQUALS(1, e.p0.x);
365 PCUT_ASSERT_INT_EQUALS(2, e.p0.y);
366 PCUT_ASSERT_INT_EQUALS(7, e.p1.x);
367 PCUT_ASSERT_INT_EQUALS(8, e.p1.y);
368}
369
370/** Rectangle envelope, b is inside a*/
371PCUT_TEST(rect_envelope_nonempty_b_inside_a)
372{
373 gfx_rect_t a;
374 gfx_rect_t b;
375 gfx_rect_t e;
376
377 a.p0.x = 3;
378 a.p0.y = 4;
379 a.p1.x = 5;
380 a.p1.y = 6;
381
382 b.p0.x = 1;
383 b.p0.y = 2;
384 b.p1.x = 7;
385 b.p1.y = 8;
386
387 gfx_rect_envelope(&a, &b, &e);
388 PCUT_ASSERT_INT_EQUALS(1, e.p0.x);
389 PCUT_ASSERT_INT_EQUALS(2, e.p0.y);
390 PCUT_ASSERT_INT_EQUALS(7, e.p1.x);
391 PCUT_ASSERT_INT_EQUALS(8, e.p1.y);
392}
393
394/** Rectangle envelope, a and b cross */
395PCUT_TEST(rect_envelope_nonempty_a_crosses_b)
396{
397 gfx_rect_t a;
398 gfx_rect_t b;
399 gfx_rect_t e;
400
401 a.p0.x = 1;
402 a.p0.y = 2;
403 a.p1.x = 4;
404 a.p1.y = 3;
405
406 b.p0.x = 2;
407 b.p0.y = 1;
408 b.p1.x = 3;
409 b.p1.y = 4;
410
411 gfx_rect_envelope(&a, &b, &e);
412 PCUT_ASSERT_INT_EQUALS(1, e.p0.x);
413 PCUT_ASSERT_INT_EQUALS(1, e.p0.y);
414 PCUT_ASSERT_INT_EQUALS(4, e.p1.x);
415 PCUT_ASSERT_INT_EQUALS(4, e.p1.y);
416}
417
418/** Clip rectangle with rect completely inside the clipping rectangle */
419PCUT_TEST(rect_clip_rect_inside)
420{
421 gfx_rect_t rect;
422 gfx_rect_t clip;
423 gfx_rect_t dest;
424
425 rect.p0.x = 3;
426 rect.p0.y = 4;
427 rect.p1.x = 5;
428 rect.p1.y = 6;
429
430 clip.p0.x = 1;
431 clip.p0.y = 2;
432 clip.p1.x = 7;
433 clip.p1.y = 8;
434
435 gfx_rect_clip(&rect, &clip, &dest);
436 PCUT_ASSERT_INT_EQUALS(3, dest.p0.x);
437 PCUT_ASSERT_INT_EQUALS(4, dest.p0.y);
438 PCUT_ASSERT_INT_EQUALS(5, dest.p1.x);
439 PCUT_ASSERT_INT_EQUALS(6, dest.p1.y);
440}
441
442/** Clip rectangle with rect covering the clipping rectangle */
443PCUT_TEST(rect_clip_rect_covering)
444{
445 gfx_rect_t rect;
446 gfx_rect_t clip;
447 gfx_rect_t dest;
448
449 rect.p0.x = 1;
450 rect.p0.y = 2;
451 rect.p1.x = 7;
452 rect.p1.y = 8;
453
454 clip.p0.x = 3;
455 clip.p0.y = 4;
456 clip.p1.x = 5;
457 clip.p1.y = 6;
458
459 gfx_rect_clip(&rect, &clip, &dest);
460 PCUT_ASSERT_INT_EQUALS(3, dest.p0.x);
461 PCUT_ASSERT_INT_EQUALS(4, dest.p0.y);
462 PCUT_ASSERT_INT_EQUALS(5, dest.p1.x);
463 PCUT_ASSERT_INT_EQUALS(6, dest.p1.y);
464}
465
466/** Clip rectangle with rect outside, having lower coordinates */
467PCUT_TEST(rect_clip_rect_out_ll)
468{
469 gfx_rect_t rect;
470 gfx_rect_t clip;
471 gfx_rect_t dest;
472
473 rect.p0.x = 1;
474 rect.p0.y = 2;
475 rect.p1.x = 3;
476 rect.p1.y = 4;
477
478 clip.p0.x = 5;
479 clip.p0.y = 6;
480 clip.p1.x = 7;
481 clip.p1.y = 8;
482
483 gfx_rect_clip(&rect, &clip, &dest);
484 PCUT_ASSERT_INT_EQUALS(5, dest.p0.x);
485 PCUT_ASSERT_INT_EQUALS(6, dest.p0.y);
486 PCUT_ASSERT_INT_EQUALS(5, dest.p1.x);
487 PCUT_ASSERT_INT_EQUALS(6, dest.p1.y);
488}
489
490/** Clip rectangle with rect outside, having higher coordinates */
491PCUT_TEST(rect_clip_rect_out_hh)
492{
493 gfx_rect_t rect;
494 gfx_rect_t clip;
495 gfx_rect_t dest;
496
497 rect.p0.x = 5;
498 rect.p0.y = 6;
499 rect.p1.x = 7;
500 rect.p1.y = 8;
501
502 clip.p0.x = 1;
503 clip.p0.y = 2;
504 clip.p1.x = 3;
505 clip.p1.y = 4;
506
507 gfx_rect_clip(&rect, &clip, &dest);
508 PCUT_ASSERT_INT_EQUALS(3, dest.p0.x);
509 PCUT_ASSERT_INT_EQUALS(4, dest.p0.y);
510 PCUT_ASSERT_INT_EQUALS(3, dest.p1.x);
511 PCUT_ASSERT_INT_EQUALS(4, dest.p1.y);
512}
513
514/** Clip rectangle with rect partially outside, having lower coordinates */
515PCUT_TEST(rect_clip_rect_ll)
516{
517 gfx_rect_t rect;
518 gfx_rect_t clip;
519 gfx_rect_t dest;
520
521 rect.p0.x = 1;
522 rect.p0.y = 2;
523 rect.p1.x = 5;
524 rect.p1.y = 6;
525
526 clip.p0.x = 3;
527 clip.p0.y = 4;
528 clip.p1.x = 7;
529 clip.p1.y = 8;
530
531 gfx_rect_clip(&rect, &clip, &dest);
532 PCUT_ASSERT_INT_EQUALS(3, dest.p0.x);
533 PCUT_ASSERT_INT_EQUALS(4, dest.p0.y);
534 PCUT_ASSERT_INT_EQUALS(5, dest.p1.x);
535 PCUT_ASSERT_INT_EQUALS(6, dest.p1.y);
536}
537
538/** Clip rectangle with rect partially outside, having higher coordinates */
539PCUT_TEST(rect_clip_rect_hh)
540{
541 gfx_rect_t rect;
542 gfx_rect_t clip;
543 gfx_rect_t dest;
544
545 rect.p0.x = 3;
546 rect.p0.y = 4;
547 rect.p1.x = 7;
548 rect.p1.y = 8;
549
550 clip.p0.x = 1;
551 clip.p0.y = 2;
552 clip.p1.x = 5;
553 clip.p1.y = 6;
554
555 gfx_rect_clip(&rect, &clip, &dest);
556 PCUT_ASSERT_INT_EQUALS(3, dest.p0.x);
557 PCUT_ASSERT_INT_EQUALS(4, dest.p0.y);
558 PCUT_ASSERT_INT_EQUALS(5, dest.p1.x);
559 PCUT_ASSERT_INT_EQUALS(6, dest.p1.y);
560}
561
562/** Clip rectangle with no clipping rectangle */
563PCUT_TEST(rect_clip_rect_noclip)
564{
565 gfx_rect_t rect;
566 gfx_rect_t dest;
567
568 rect.p0.x = 1;
569 rect.p0.y = 2;
570 rect.p1.x = 3;
571 rect.p1.y = 4;
572
573 gfx_rect_clip(&rect, NULL, &dest);
574 PCUT_ASSERT_INT_EQUALS(rect.p0.x, dest.p0.x);
575 PCUT_ASSERT_INT_EQUALS(rect.p0.y, dest.p0.y);
576 PCUT_ASSERT_INT_EQUALS(rect.p1.x, dest.p1.x);
577 PCUT_ASSERT_INT_EQUALS(rect.p1.y, dest.p1.y);
578}
579
580/** Sort span points that are already sorted should produde indentical points */
581PCUT_TEST(rect_points_sort_sorted)
582{
583 gfx_coord_t s0, s1;
584
585 gfx_span_points_sort(1, 2, &s0, &s1);
586 PCUT_ASSERT_INT_EQUALS(1, s0);
587 PCUT_ASSERT_INT_EQUALS(2, s1);
588}
589
590/** Sort span points that are reversed should transpose them */
591PCUT_TEST(rect_points_sort_reversed)
592{
593 gfx_coord_t s0, s1;
594
595 gfx_span_points_sort(2, 1, &s0, &s1);
596 PCUT_ASSERT_INT_EQUALS(2, s0);
597 PCUT_ASSERT_INT_EQUALS(3, s1);
598}
599
600/** Rectangle dimensions for straight rectangle are computed correctly */
601PCUT_TEST(rect_dims_straight)
602{
603 gfx_rect_t rect;
604 gfx_coord2_t dims;
605
606 rect.p0.x = 1;
607 rect.p0.y = 10;
608 rect.p1.x = 100;
609 rect.p1.y = 1000;
610
611 gfx_rect_dims(&rect, &dims);
612
613 PCUT_ASSERT_INT_EQUALS(99, dims.x);
614 PCUT_ASSERT_INT_EQUALS(990, dims.y);
615}
616
617/** Rectangle dimensions for reversed rectangle are computed correctly */
618PCUT_TEST(rect_dims_reversed)
619{
620 gfx_rect_t rect;
621 gfx_coord2_t dims;
622
623 rect.p0.x = 1000;
624 rect.p0.y = 100;
625 rect.p1.x = 10;
626 rect.p1.y = 1;
627
628 gfx_rect_dims(&rect, &dims);
629
630 PCUT_ASSERT_INT_EQUALS(990, dims.x);
631 PCUT_ASSERT_INT_EQUALS(99, dims.y);
632}
633
634/** gfx_rect_is_empty for straight rectangle with zero columns returns true */
635PCUT_TEST(rect_is_empty_pos_x)
636{
637 gfx_rect_t rect;
638
639 rect.p0.x = 1;
640 rect.p0.y = 2;
641 rect.p1.x = 1;
642 rect.p1.y = 3;
643 PCUT_ASSERT_TRUE(gfx_rect_is_empty(&rect));
644}
645
646/** gfx_rect_is_empty for straight rectangle with zero rows returns true */
647PCUT_TEST(rect_is_empty_pos_y)
648{
649 gfx_rect_t rect;
650
651 rect.p0.x = 1;
652 rect.p0.y = 2;
653 rect.p1.x = 2;
654 rect.p1.y = 2;
655 PCUT_ASSERT_TRUE(gfx_rect_is_empty(&rect));
656}
657
658/** gfx_rect_is_empty for straight non-empty rectangle returns false */
659PCUT_TEST(rect_is_empty_neg)
660{
661 gfx_rect_t rect;
662
663 rect.p0.x = 1;
664 rect.p0.y = 2;
665 rect.p1.x = 2;
666 rect.p1.y = 3;
667 PCUT_ASSERT_FALSE(gfx_rect_is_empty(&rect));
668}
669
670/** gfx_rect_is_empty for reverse non-empty rectangle returns false */
671PCUT_TEST(rect_is_empty_reverse_neg)
672{
673 gfx_rect_t rect;
674
675 rect.p0.x = 1;
676 rect.p0.y = 2;
677 rect.p1.x = 0;
678 rect.p1.y = 1;
679 PCUT_ASSERT_FALSE(gfx_rect_is_empty(&rect));
680}
681
682/** gfx_rect_is_incident for neighboring rectangles returns false */
683PCUT_TEST(rect_is_incident_neighbor)
684{
685 gfx_rect_t a;
686 gfx_rect_t b;
687
688 a.p0.x = 1;
689 a.p0.y = 2;
690 a.p1.x = 3;
691 a.p1.y = 4;
692
693 b.p0.x = 3;
694 b.p0.y = 2;
695 b.p1.x = 5;
696 b.p1.y = 6;
697
698 PCUT_ASSERT_FALSE(gfx_rect_is_incident(&a, &b));
699}
700
701/** gfx_rect_is_incident for a inside b returns true */
702PCUT_TEST(rect_is_incident_a_inside_b)
703{
704 gfx_rect_t a;
705 gfx_rect_t b;
706
707 a.p0.x = 2;
708 a.p0.y = 3;
709 a.p1.x = 4;
710 a.p1.y = 5;
711
712 b.p0.x = 1;
713 b.p0.y = 2;
714 b.p1.x = 5;
715 b.p1.y = 6;
716
717 PCUT_ASSERT_TRUE(gfx_rect_is_incident(&a, &b));
718}
719
720/** gfx_rect_is_incident for b inside a returns true */
721PCUT_TEST(rect_is_incident_b_inside_a)
722{
723 gfx_rect_t a;
724 gfx_rect_t b;
725
726 a.p0.x = 1;
727 a.p0.y = 2;
728 a.p1.x = 5;
729 a.p1.y = 6;
730
731 b.p0.x = 2;
732 b.p0.y = 3;
733 b.p1.x = 4;
734 b.p1.y = 5;
735
736 PCUT_ASSERT_TRUE(gfx_rect_is_incident(&a, &b));
737}
738
739/** gfx_rect_is_incident for a and b sharing corner returns true */
740PCUT_TEST(rect_is_incident_corner)
741{
742 gfx_rect_t a;
743 gfx_rect_t b;
744
745 a.p0.x = 1;
746 a.p0.y = 2;
747 a.p1.x = 3;
748 a.p1.y = 4;
749
750 b.p0.x = 2;
751 b.p0.y = 3;
752 b.p1.x = 4;
753 b.p1.y = 5;
754
755 PCUT_ASSERT_TRUE(gfx_rect_is_incident(&a, &b));
756}
757
758/** gfx_rect_is_incident for a == b returns true */
759PCUT_TEST(rect_is_incident_same)
760{
761 gfx_rect_t a;
762 gfx_rect_t b;
763
764 a.p0.x = 1;
765 a.p0.y = 2;
766 a.p1.x = 3;
767 a.p1.y = 4;
768
769 b.p0.x = 1;
770 b.p0.y = 2;
771 b.p1.x = 3;
772 b.p1.y = 4;
773
774 PCUT_ASSERT_TRUE(gfx_rect_is_incident(&a, &b));
775}
776
777/** gfx_rect_is_inside is true for rectangle strictly inside */
778PCUT_TEST(rect_is_inside_strict)
779{
780 gfx_rect_t a;
781 gfx_rect_t b;
782
783 a.p0.x = 2;
784 a.p0.y = 3;
785 a.p1.x = 4;
786 a.p1.y = 5;
787
788 b.p0.x = 1;
789 b.p0.y = 2;
790 b.p1.x = 5;
791 b.p1.y = 6;
792
793 PCUT_ASSERT_TRUE(gfx_rect_is_inside(&a, &b));
794}
795
796/** gfx_rect_is_inside is true for two equal rectangles */
797PCUT_TEST(rect_is_inside_same)
798{
799 gfx_rect_t a;
800 gfx_rect_t b;
801
802 a.p0.x = 1;
803 a.p0.y = 2;
804 a.p1.x = 3;
805 a.p1.y = 4;
806
807 b.p0.x = 1;
808 b.p0.y = 2;
809 b.p1.x = 3;
810 b.p1.y = 4;
811
812 PCUT_ASSERT_TRUE(gfx_rect_is_inside(&a, &b));
813}
814
815/** gfx_rect_is_inside is false for @c a.p0 outside */
816PCUT_TEST(rect_is_inside_p0_outside)
817{
818 gfx_rect_t a;
819 gfx_rect_t b;
820
821 a.p0.x = 0;
822 a.p0.y = 2;
823 a.p1.x = 3;
824 a.p1.y = 4;
825
826 b.p0.x = 1;
827 b.p0.y = 2;
828 b.p1.x = 3;
829 b.p1.y = 4;
830
831 PCUT_ASSERT_FALSE(gfx_rect_is_inside(&a, &b));
832
833 a.p0.x = 1;
834 a.p0.y = 1;
835 a.p1.x = 3;
836 a.p1.y = 4;
837
838 b.p0.x = 1;
839 b.p0.y = 2;
840 b.p1.x = 3;
841 b.p1.y = 4;
842
843 PCUT_ASSERT_FALSE(gfx_rect_is_inside(&a, &b));
844}
845
846/** gfx_rect_is_inside is false for @c a.p1 outside */
847PCUT_TEST(rect_is_inside_p1_outside)
848{
849 gfx_rect_t a;
850 gfx_rect_t b;
851
852 a.p0.x = 1;
853 a.p0.y = 2;
854 a.p1.x = 4;
855 a.p1.y = 4;
856
857 b.p0.x = 1;
858 b.p0.y = 2;
859 b.p1.x = 3;
860 b.p1.y = 4;
861
862 PCUT_ASSERT_FALSE(gfx_rect_is_inside(&a, &b));
863
864 a.p0.x = 1;
865 a.p0.y = 2;
866 a.p1.x = 3;
867 a.p1.y = 5;
868
869 b.p0.x = 1;
870 b.p0.y = 2;
871 b.p1.x = 3;
872 b.p1.y = 4;
873
874 PCUT_ASSERT_FALSE(gfx_rect_is_inside(&a, &b));
875}
876
877/** gfx_pix_inside_rect for */
878PCUT_TEST(pix_inside_rect)
879{
880 gfx_coord2_t coord;
881 gfx_rect_t rect;
882
883 rect.p0.x = 1;
884 rect.p0.y = 2;
885 rect.p1.x = 3;
886 rect.p1.y = 4;
887
888 coord.x = 0;
889 coord.y = 1;
890 PCUT_ASSERT_FALSE(gfx_pix_inside_rect(&coord, &rect));
891
892 coord.x = 1;
893 coord.y = 1;
894 PCUT_ASSERT_FALSE(gfx_pix_inside_rect(&coord, &rect));
895
896 coord.x = 0;
897 coord.y = 2;
898 PCUT_ASSERT_FALSE(gfx_pix_inside_rect(&coord, &rect));
899
900 coord.x = 1;
901 coord.y = 2;
902 PCUT_ASSERT_TRUE(gfx_pix_inside_rect(&coord, &rect));
903
904 coord.x = 2;
905 coord.y = 3;
906 PCUT_ASSERT_TRUE(gfx_pix_inside_rect(&coord, &rect));
907
908 coord.x = 3;
909 coord.y = 3;
910 PCUT_ASSERT_FALSE(gfx_pix_inside_rect(&coord, &rect));
911
912 coord.x = 2;
913 coord.y = 4;
914 PCUT_ASSERT_FALSE(gfx_pix_inside_rect(&coord, &rect));
915
916 coord.x = 3;
917 coord.y = 4;
918 PCUT_ASSERT_FALSE(gfx_pix_inside_rect(&coord, &rect));
919}
920
921PCUT_EXPORT(coord);
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