forked from enlightenment/efl
216 lines
5.1 KiB
C
216 lines
5.1 KiB
C
/* EINA - EFL data type library
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* Copyright (C) 2015 Subhransu Mohanty <sub.mohanty@samsung.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library;
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* if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdio.h>
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#include <math.h>
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#include <Eina.h>
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#include "eina_suite.h"
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EFL_START_TEST(eina_bezier_test_values)
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{
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Eina_Bezier b;
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double sx, sy, cx1, cy1, cx2, cy2, ex, ey;
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eina_bezier_values_set(&b,
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1, 2,
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3, 4,
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5, 6,
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7, 8);
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eina_bezier_values_get(&b,
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&sx, &sy,
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&cx1, &cy1,
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&cx2, &cy2,
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&ex, &ey);
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fail_if(sx != 1 ||
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sy != 2 ||
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cx1 != 3 ||
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cy1 != 4 ||
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cx2 != 5 ||
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cy2 != 6 ||
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ex != 7 ||
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ey != 8);
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}
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EFL_END_TEST
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EFL_START_TEST(eina_bezier_test_angle)
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{
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Eina_Bezier b;
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double angle;
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eina_bezier_values_set(&b,
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1, 1,
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3, 1,
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5, 1,
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7, 1);
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angle = eina_bezier_angle_at(&b, 0.5);
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fail_if(angle != 0);
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eina_bezier_values_set(&b,
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1, 2,
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1, 4,
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1, 6,
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1, 8);
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angle = eina_bezier_angle_at(&b, 0.5);
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fail_if(floor(angle) != 90);
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}
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EFL_END_TEST
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EFL_START_TEST(eina_bezier_test_length)
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{
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Eina_Bezier b;
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double length;
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eina_bezier_values_set(&b,
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1, 1,
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3, 1,
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5, 1,
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7, 1);
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length = eina_bezier_length_get(&b);
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fail_if(floor(length) != 6);
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eina_bezier_values_set(&b,
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1, 1,
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1, 1,
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1, 1,
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1, 1);
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length = eina_bezier_length_get(&b);
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fail_if(length != 0);
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}
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EFL_END_TEST
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EFL_START_TEST(eina_bezier_test_t_at)
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{
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Eina_Bezier b;
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double length, t;
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eina_bezier_values_set(&b,
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1, 1,
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3, 1,
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5, 1,
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7, 1);
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length = eina_bezier_length_get(&b);
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t = eina_bezier_t_at(&b, 0);
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fail_if(floor(t) != 0);
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t = eina_bezier_t_at(&b, length);
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fail_if(t != 1);
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}
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EFL_END_TEST
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EFL_START_TEST(eina_bezier_test_point_at)
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{
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Eina_Bezier b;
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double x, y;
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eina_bezier_values_set(&b,
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1, 2,
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3, 4,
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5, 6,
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7, 8);
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eina_bezier_point_at(&b, 0, &x , &y);
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fail_if(x != 1 ||
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y != 2);
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eina_bezier_point_at(&b, 1, &x , &y);
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fail_if(x != 7 ||
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y != 8);
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}
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EFL_END_TEST
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EFL_START_TEST(eina_bezier_test_split_at_length)
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{
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Eina_Bezier b, l , r;
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double len, len1, len2;
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eina_bezier_values_set(&b,
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1, 2,
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3, 4,
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5, 6,
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7, 8);
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len = eina_bezier_length_get(&b);
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eina_bezier_split_at_length(&b, len/3, &l, &r);
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len1 = eina_bezier_length_get(&l);
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len2 = eina_bezier_length_get(&r);
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fail_if(len != (len1 + len2));
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}
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EFL_END_TEST
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EFL_START_TEST(eina_bezier_test_bounds_get)
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{
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Eina_Bezier b;
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double x, y, w, h;
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eina_bezier_values_set(&b,
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0, 0,
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100, 0,
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0, 100,
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100, 100);
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eina_bezier_bounds_get(&b, &x, &y, &w, &h);
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fail_if(x !=0 || y!=0 || w !=100 || h !=100 );
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}
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EFL_END_TEST
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EFL_START_TEST(eina_bezier_test_on_interval)
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{
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Eina_Bezier b, res;
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double px1, px2, py1, py2;
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eina_bezier_values_set(&b,
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0, 0,
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10, 20,
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20, 90,
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30, 0);
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eina_bezier_point_at(&b, 0.25, &px1, &py1);
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eina_bezier_on_interval(&b, 0.25, 0.5, &res);
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eina_bezier_point_at(&res, 0, &px2, &py2);
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fail_if(px1 != px2 || py1 != py2);
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}
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EFL_END_TEST
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void
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eina_test_bezier(TCase *tc)
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{
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tcase_add_test(tc, eina_bezier_test_values);
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tcase_add_test(tc, eina_bezier_test_angle);
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tcase_add_test(tc, eina_bezier_test_length);
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tcase_add_test(tc, eina_bezier_test_t_at);
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tcase_add_test(tc, eina_bezier_test_point_at);
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tcase_add_test(tc, eina_bezier_test_split_at_length);
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tcase_add_test(tc, eina_bezier_test_bounds_get);
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tcase_add_test(tc, eina_bezier_test_on_interval);
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}
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