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tests: PNG: Add RGBA8888 save test.
[gfxprim/pasky.git] / tests / gfx / Ellipse.c
blob5b0add6b0548533e0cbc138c536bc510c08e1ed8
1 /*****************************************************************************
2 * This file is part of gfxprim library. *
3 * *
4 * Gfxprim is free software; you can redistribute it and/or *
5 * modify it under the terms of the GNU Lesser General Public *
6 * License as published by the Free Software Foundation; either *
7 * version 2.1 of the License, or (at your option) any later version. *
8 * *
9 * Gfxprim is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
12 * Lesser General Public License for more details. *
13 * *
14 * You should have received a copy of the GNU Lesser General Public *
15 * License along with gfxprim; if not, write to the Free Software *
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, *
17 * Boston, MA 02110-1301 USA *
18 * *
19 * Copyright (C) 2009-2012 Cyril Hrubis <metan@ucw.cz> *
20 * *
21 *****************************************************************************/
22
23 #include <string.h>
24 #include <errno.h>
25 #include <sys/stat.h>
26
27 #include <core/GP_Context.h>
28 #include <gfx/GP_Ellipse.h>
29
30 #include "tst_test.h"
31
32 #include "common.h"
33
34 struct testcase {
35 /* cicle description */
36 GP_Coord x;
37 GP_Coord y;
38 GP_Size a;
39 GP_Size b;
40
41 /* expected result */
42 GP_Size w, h;
43 const char pixmap[];
44 };
45
46 static int test_ellipse(const struct testcase *t)
47 {
48 GP_Context *c;
49 int err;
50
51 c = GP_ContextAlloc(t->w, t->h, GP_PIXEL_G8);
52
53 if (c == NULL) {
54 tst_err("Failed to allocate context");
55 return TST_UNTESTED;
56 }
57
58 /* zero the pixels buffer */
59 memset(c->pixels, 0, c->w * c->h);
60
61 GP_Ellipse(c, t->x, t->y, t->a, t->b, 1);
62
63 err = compare_buffers(t->pixmap, c);
64
65 if (err)
66 return TST_FAILED;
67
68 return TST_SUCCESS;
69 }
70
71 static struct testcase testcase_ellipse_a0_b0 = {
72 .x = 2,
73 .y = 2,
74 .a = 0,
75 .b = 0,
76
77 .w = 5,
78 .h = 5,
79
80 .pixmap = {
81 0, 0, 0, 0, 0,
82 0, 0, 0, 0, 0,
83 0, 0, 1, 0, 0,
84 0, 0, 0, 0, 0,
85 0, 0, 0, 0, 0,
86 }
87 };
88
89 static struct testcase testcase_ellipse_a1_b0 = {
90 .x = 2,
91 .y = 2,
92 .a = 1,
93 .b = 0,
94
95 .w = 5,
96 .h = 5,
97
98 .pixmap = {
99 0, 0, 0, 0, 0,
100 0, 0, 0, 0, 0,
101 0, 1, 1, 1, 0,
102 0, 0, 0, 0, 0,
103 0, 0, 0, 0, 0,
104 }
105 };
106
107 static struct testcase testcase_ellipse_a0_b1 = {
108 .x = 2,
109 .y = 2,
110 .a = 0,
111 .b = 1,
112
113 .w = 5,
114 .h = 5,
115
116 .pixmap = {
117 0, 0, 0, 0, 0,
118 0, 0, 1, 0, 0,
119 0, 0, 1, 0, 0,
120 0, 0, 1, 0, 0,
121 0, 0, 0, 0, 0,
122 }
123 };
124
125 static struct testcase testcase_ellipse_a1_b1 = {
126 .x = 2,
127 .y = 2,
128 .a = 1,
129 .b = 1,
130
131 .w = 5,
132 .h = 5,
133
134 .pixmap = {
135 0, 0, 0, 0, 0,
136 0, 0, 1, 0, 0,
137 0, 1, 0, 1, 0,
138 0, 0, 1, 0, 0,
139 0, 0, 0, 0, 0,
140 }
141 };
142
143 static struct testcase testcase_ellipse_a2_b1 = {
144 .x = 3,
145 .y = 3,
146 .a = 2,
147 .b = 1,
148
149 .w = 7,
150 .h = 7,
151
152 .pixmap = {
153 0, 0, 0, 0, 0, 0, 0,
154 0, 0, 0, 0, 0, 0, 0,
155 0, 0, 1, 1, 1, 0, 0,
156 0, 1, 0, 0, 0, 1, 0,
157 0, 0, 1, 1, 1, 0, 0,
158 0, 0, 0, 0, 0, 0, 0,
159 0, 0, 0, 0, 0, 0, 0,
160 }
161 };
162
163 static struct testcase testcase_ellipse_a1_b2 = {
164 .x = 3,
165 .y = 3,
166 .a = 1,
167 .b = 2,
168
169 .w = 7,
170 .h = 7,
171
172 .pixmap = {
173 0, 0, 0, 0, 0, 0, 0,
174 0, 0, 0, 1, 0, 0, 0,
175 0, 0, 1, 0, 1, 0, 0,
176 0, 0, 1, 0, 1, 0, 0,
177 0, 0, 1, 0, 1, 0, 0,
178 0, 0, 0, 1, 0, 0, 0,
179 0, 0, 0, 0, 0, 0, 0,
180 }
181 };
182
183 static struct testcase testcase_ellipse_a2_b2 = {
184 .x = 3,
185 .y = 3,
186 .a = 2,
187 .b = 2,
188
189 .w = 7,
190 .h = 7,
191
192 .pixmap = {
193 0, 0, 0, 0, 0, 0, 0,
194 0, 0, 1, 1, 1, 0, 0,
195 0, 1, 0, 0, 0, 1, 0,
196 0, 1, 0, 0, 0, 1, 0,
197 0, 1, 0, 0, 0, 1, 0,
198 0, 0, 1, 1, 1, 0, 0,
199 0, 0, 0, 0, 0, 0, 0,
200 }
201 };
202
203 static struct testcase testcase_ellipse_a1_b3 = {
204 .x = 4,
205 .y = 4,
206 .a = 1,
207 .b = 3,
208
209 .w = 9,
210 .h = 9,
211
212 .pixmap = {
213 0, 0, 0, 0, 0, 0, 0, 0, 0,
214 0, 0, 0, 0, 1, 0, 0, 0, 0,
215 0, 0, 0, 1, 0, 1, 0, 0, 0,
216 0, 0, 0, 1, 0, 1, 0, 0, 0,
217 0, 0, 0, 1, 0, 1, 0, 0, 0,
218 0, 0, 0, 1, 0, 1, 0, 0, 0,
219 0, 0, 0, 1, 0, 1, 0, 0, 0,
220 0, 0, 0, 0, 1, 0, 0, 0, 0,
221 0, 0, 0, 0, 0, 0, 0, 0, 0,
222 }
223 };
224
225 static struct testcase testcase_ellipse_a3_b2 = {
226 .x = 4,
227 .y = 4,
228 .a = 3,
229 .b = 2,
230
231 .w = 9,
232 .h = 9,
233
234 .pixmap = {
235 0, 0, 0, 0, 0, 0, 0, 0, 0,
236 0, 0, 0, 0, 0, 0, 0, 0, 0,
237 0, 0, 0, 1, 1, 1, 0, 0, 0,
238 0, 1, 1, 0, 0, 0, 1, 1, 0,
239 0, 1, 0, 0, 0, 0, 0, 1, 0,
240 0, 1, 1, 0, 0, 0, 1, 1, 0,
241 0, 0, 0, 1, 1, 1, 0, 0, 0,
242 0, 0, 0, 0, 0, 0, 0, 0, 0,
243 0, 0, 0, 0, 0, 0, 0, 0, 0,
244 }
245 };
246
247 static struct testcase testcase_ellipse_a3_b3 = {
248 .x = 4,
249 .y = 4,
250 .a = 3,
251 .b = 3,
252
253 .w = 9,
254 .h = 9,
255
256 .pixmap = {
257 0, 0, 0, 0, 0, 0, 0, 0, 0,
258 0, 0, 0, 1, 1, 1, 0, 0, 0,
259 0, 0, 1, 0, 0, 0, 1, 0, 0,
260 0, 1, 0, 0, 0, 0, 0, 1, 0,
261 0, 1, 0, 0, 0, 0, 0, 1, 0,
262 0, 1, 0, 0, 0, 0, 0, 1, 0,
263 0, 0, 1, 0, 0, 0, 1, 0, 0,
264 0, 0, 0, 1, 1, 1, 0, 0, 0,
265 0, 0, 0, 0, 0, 0, 0, 0, 0,
266 }
267 };
268
269 static struct testcase testcase_ellipse_a6_b6_clip = {
270 .x = 0,
271 .y = 0,
272 .a = 6,
273 .b = 6,
274
275 .w = 8,
276 .h = 8,
277
278 .pixmap = {
279 0, 0, 0, 0, 0, 0, 1, 0,
280 0, 0, 0, 0, 0, 0, 1, 0,
281 0, 0, 0, 0, 0, 0, 1, 0,
282 0, 0, 0, 0, 0, 1, 0, 0,
283 0, 0, 0, 0, 0, 1, 0, 0,
284 0, 0, 0, 1, 1, 0, 0, 0,
285 1, 1, 1, 0, 0, 0, 0, 0,
286 0, 0, 0, 0, 0, 0, 0, 0,
287 }
288 };
289
290 static struct testcase testcase_ellipse_a5_b5_clip = {
291 .x = 0,
292 .y = 5,
293 .a = 5,
294 .b = 5,
295
296 .w = 11,
297 .h = 11,
298
299 .pixmap = {
300 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0,
301 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0,
302 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
303 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
304 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
305 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
306 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
307 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
308 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
309 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0,
310 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0,
311 }
312 };
313
314 const struct tst_suite tst_suite = {
315 .suite_name = "Ellipse Testsuite",
316 .tests = {
317 {.name = "Ellipse a=0 b=0",
318 .tst_fn = test_ellipse,
319 .data = &testcase_ellipse_a0_b0},
320
321 {.name = "Ellipse a=1 b=0",
322 .tst_fn = test_ellipse,
323 .data = &testcase_ellipse_a1_b0},
324
325 {.name = "Ellipse a=0 b=1",
326 .tst_fn = test_ellipse,
327 .data = &testcase_ellipse_a0_b1},
328
329 {.name = "Ellipse a=1 b=1",
330 .tst_fn = test_ellipse,
331 .data = &testcase_ellipse_a1_b1},
332
333 {.name = "Ellipse a=2 b=1",
334 .tst_fn = test_ellipse,
335 .data = &testcase_ellipse_a2_b1},
336
337 {.name = "Ellipse a=1 b=2",
338 .tst_fn = test_ellipse,
339 .data = &testcase_ellipse_a1_b2},
340
341 {.name = "Ellipse a=2 b=2",
342 .tst_fn = test_ellipse,
343 .data = &testcase_ellipse_a2_b2},
344
345 {.name = "Ellipse a=1 b=3",
346 .tst_fn = test_ellipse,
347 .data = &testcase_ellipse_a1_b3},
348
349 {.name = "Ellipse a=3 b=2",
350 .tst_fn = test_ellipse,
351 .data = &testcase_ellipse_a3_b2},
352
353 {.name = "Ellipse a=3 b=3",
354 .tst_fn = test_ellipse,
355 .data = &testcase_ellipse_a3_b3},
356
357 {.name = "Ellipse a=5 b=5 clipped",
358 .tst_fn = test_ellipse,
359 .data = &testcase_ellipse_a5_b5_clip},
360
361 {.name = "Ellipse a=6 b=6 clipped",
362 .tst_fn = test_ellipse,
363 .data = &testcase_ellipse_a6_b6_clip},
364
365 {.name = NULL}
366 }
367 };