tests/gfx/FillCircle.c

   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_Pixmap.h>
  28 #include <gfx/GP_Circle.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 r;
  39
  40         /* expected result */
  41         GP_Size w, h;
  42         const char pixmap[];
  43 };
  44
  45 static int test_circle(const struct testcase *t)
  46 {
  47         GP_Pixmap *c;
  48         int err;
  49
  50         c = GP_PixmapAlloc(t->w, t->h, GP_PIXEL_G8);
  51
  52         if (c == NULL) {
  53                 tst_err("Failed to allocate pixmap");
  54                 return TST_UNTESTED;
  55         }
  56
  57         /* zero the pixels buffer */
  58         memset(c->pixels, 0, c->w * c->h);
  59
  60         GP_FillCircle(c, t->x, t->y, t->r, 1);
  61
  62         err = compare_buffers(t->pixmap, c);
  63
  64         if (err)
  65                 return TST_FAILED;
  66
  67         return TST_SUCCESS;
  68 }
  69
  70 struct testcase testcase_circle_r_0 = {
  71         .x = 2,
  72         .y = 2,
  73         .r = 0,
  74
  75         .w = 5,
  76         .h = 5,
  77
  78         .pixmap = {
  79                 0, 0, 0, 0, 0,
  80                 0, 0, 0, 0, 0,
  81                 0, 0, 1, 0, 0,
  82                 0, 0, 0, 0, 0,
  83                 0, 0, 0, 0, 0,
  84         }
  85 };
  86
  87 struct testcase testcase_circle_r_1 = {
  88         .x = 2,
  89         .y = 2,
  90         .r = 1,
  91
  92         .w = 5,
  93         .h = 5,
  94
  95         .pixmap = {
  96                 0, 0, 0, 0, 0,
  97                 0, 0, 1, 0, 0,
  98                 0, 1, 1, 1, 0,
  99                 0, 0, 1, 0, 0,
 100                 0, 0, 0, 0, 0,
 101         }
 102 };
 103
 104 struct testcase testcase_circle_r_2 = {
 105         .x = 3,
 106         .y = 3,
 107         .r = 2,
 108
 109         .w = 7,
 110         .h = 7,
 111
 112         .pixmap = {
 113                 0, 0, 0, 0, 0, 0, 0,
 114                 0, 0, 1, 1, 1, 0, 0,
 115                 0, 1, 1, 1, 1, 1, 0,
 116                 0, 1, 1, 1, 1, 1, 0,
 117                 0, 1, 1, 1, 1, 1, 0,
 118                 0, 0, 1, 1, 1, 0, 0,
 119                 0, 0, 0, 0, 0, 0, 0,
 120         }
 121 };
 122
 123 struct testcase testcase_circle_r_3 = {
 124         .x = 4,
 125         .y = 4,
 126         .r = 3,
 127
 128         .w = 9,
 129         .h = 9,
 130
 131         .pixmap = {
 132                 0, 0, 0, 0, 0, 0, 0, 0, 0,
 133                 0, 0, 0, 1, 1, 1, 0, 0, 0,
 134                 0, 0, 1, 1, 1, 1, 1, 0, 0,
 135                 0, 1, 1, 1, 1, 1, 1, 1, 0,
 136                 0, 1, 1, 1, 1, 1, 1, 1, 0,
 137                 0, 1, 1, 1, 1, 1, 1, 1, 0,
 138                 0, 0, 1, 1, 1, 1, 1, 0, 0,
 139                 0, 0, 0, 1, 1, 1, 0, 0, 0,
 140                 0, 0, 0, 0, 0, 0, 0, 0, 0,
 141         }
 142 };
 143
 144 struct testcase testcase_circle_r_4 = {
 145         .x = 5,
 146         .y = 5,
 147         .r = 4,
 148
 149         .w = 11,
 150         .h = 11,
 151
 152         .pixmap = {
 153                 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 154                 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0,
 155                 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0,
 156                 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0,
 157                 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0,
 158                 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0,
 159                 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0,
 160                 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0,
 161                 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0,
 162                 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0,
 163                 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 164         }
 165 };
 166
 167 struct testcase testcase_circle_r_5_clip = {
 168         .x = 0,
 169         .y = 5,
 170         .r = 5,
 171
 172         .w = 11,
 173         .h = 11,
 174
 175         .pixmap = {
 176                 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0,
 177                 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0,
 178                 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
 179                 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,
 180                 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,
 181                 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,
 182                 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,
 183                 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,
 184                 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
 185                 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0,
 186                 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0,
 187         }
 188 };
 189
 190 struct testcase testcase_circle_r_6_clip = {
 191         .x = 0,
 192         .y = 0,
 193         .r = 6,
 194
 195         .w = 8,
 196         .h = 8,
 197
 198         .pixmap = {
 199                 1, 1, 1, 1, 1, 1, 1, 0,
 200                 1, 1, 1, 1, 1, 1, 1, 0,
 201                 1, 1, 1, 1, 1, 1, 1, 0,
 202                 1, 1, 1, 1, 1, 1, 0, 0,
 203                 1, 1, 1, 1, 1, 1, 0, 0,
 204                 1, 1, 1, 1, 1, 0, 0, 0,
 205                 1, 1, 1, 0, 0, 0, 0, 0,
 206                 0, 0, 0, 0, 0, 0, 0, 0,
 207         }
 208 };
 209
 210 const struct tst_suite tst_suite = {
 211         .suite_name = "FillCircle Testsuite",
 212         .tests = {
 213                 {.name = "FillCircle r=0",
 214                  .tst_fn = test_circle,
 215                  .data = &testcase_circle_r_0},
 216
 217                 {.name = "FillCircle r=1",
 218                  .tst_fn = test_circle,
 219                  .data = &testcase_circle_r_1},
 220
 221                 {.name = "FillCircle r=2",
 222                  .tst_fn = test_circle,
 223                  .data = &testcase_circle_r_2},
 224
 225                 {.name = "FillCircle r=3",
 226                  .tst_fn = test_circle,
 227                  .data = &testcase_circle_r_3},
 228
 229                 {.name = "FillCircle r=4",
 230                  .tst_fn = test_circle,
 231                  .data = &testcase_circle_r_4},
 232
 233                 {.name = "FillCircle r=5 + clipping",
 234                  .tst_fn = test_circle,
 235                  .data = &testcase_circle_r_5_clip},
 236
 237                 {.name = "FillCircle r=6 + clipping",
 238                  .tst_fn = test_circle,
 239                  .data = &testcase_circle_r_6_clip},
 240
 241                 {.name = NULL}
 242         }
 243 };