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/*
* Copyright © 2020 Benjamin Otte
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Benjamin Otte <otte@gnome.org>
*/
#include "config.h"
#include <gtk/gtk.h>
#include <gsk/gskroundedrectprivate.h>
static void
test_contains_rect (void)
{
static double points[] = { -5, 0, 5, 10, 15, 85, 90, 95, 100, 105 };
#define LAST (G_N_ELEMENTS(points) - 1)
GskRoundedRect rounded;
guint x1, x2, y1, y2;
gsk_rounded_rect_init_from_rect (&rounded, &GRAPHENE_RECT_INIT (0, 0, 100, 100), 10);
for (x1 = 0; x1 < G_N_ELEMENTS (points); x1++)
for (x2 = x1 + 1; x2 < G_N_ELEMENTS (points); x2++)
for (y1 = 0; y1 < G_N_ELEMENTS (points); y1++)
for (y2 = y1 + 1; y2 < G_N_ELEMENTS (points); y2++)
{
graphene_rect_t rect;
gboolean inside;
/* check all points are in the bounding box */
inside = x1 > 0 && y1 > 0 && x2 < LAST && y2 < LAST;
/* now check all the corners */
inside &= x1 > 2 || y1 > 2 || (x1 == 2 && y1 == 2);
inside &= x2 < LAST - 2 || y1 > 2 || (x2 == LAST - 2 && y1 == 2);
inside &= x2 < LAST - 2 || y2 < LAST - 2 || (x2 == LAST - 2 && y2 == LAST - 2);
inside &= x1 > 2 || y2 < LAST - 2 || (x1 == 2 && y2 == LAST - 2);
graphene_rect_init (&rect, points[x1], points[y1], points[x2] - points[x1], points[y2] - points[y1]);
if (inside)
g_assert_true (gsk_rounded_rect_contains_rect (&rounded, &rect));
else
g_assert_false (gsk_rounded_rect_contains_rect (&rounded, &rect));
}
#undef LAST
}
static void
test_intersects_rect (void)
{
static double points[] = { -1, 0, 1, 99, 100, 101 };
#define ALL_THE_POINTS (G_N_ELEMENTS(points))
#define HALF_THE_POINTS (ALL_THE_POINTS / 2)
GskRoundedRect rounded;
guint x1, x2, y1, y2;
gsk_rounded_rect_init_from_rect (&rounded, &GRAPHENE_RECT_INIT (0, 0, 100, 100), 10);
for (x1 = 0; x1 < ALL_THE_POINTS; x1++)
for (x2 = x1 + 1; x2 < ALL_THE_POINTS; x2++)
for (y1 = 0; y1 < ALL_THE_POINTS; y1++)
for (y2 = y1 + 1; y2 < ALL_THE_POINTS; y2++)
{
graphene_rect_t rect;
gboolean should_contain_x, should_contain_y;
graphene_rect_init (&rect, points[x1], points[y1], points[x2] - points[x1], points[y2] - points[y1]);
should_contain_x = x1 < HALF_THE_POINTS && x2 >= HALF_THE_POINTS && y2 > 1 && y1 < ALL_THE_POINTS - 2;
should_contain_y = y1 < HALF_THE_POINTS && y2 >= HALF_THE_POINTS && x2 > 1 && x1 < ALL_THE_POINTS - 2;
if (should_contain_x || should_contain_y)
g_assert_true (gsk_rounded_rect_intersects_rect (&rounded, &rect));
else
g_assert_false (gsk_rounded_rect_intersects_rect (&rounded, &rect));
}
#undef ALL_THE_POINTS
#undef HALF_THE_POINTS
}
static void
test_contains_point (void)
{
GskRoundedRect rect;
gsk_rounded_rect_init (&rect,
&GRAPHENE_RECT_INIT (0, 0, 100, 100),
&GRAPHENE_SIZE_INIT (0, 0),
&GRAPHENE_SIZE_INIT (10, 10),
&GRAPHENE_SIZE_INIT (10, 20),
&GRAPHENE_SIZE_INIT (20, 10));
g_assert_true (gsk_rounded_rect_contains_point (&rect, &GRAPHENE_POINT_INIT (50, 50)));
g_assert_true (gsk_rounded_rect_contains_point (&rect, &GRAPHENE_POINT_INIT (0, 0)));
g_assert_false (gsk_rounded_rect_contains_point (&rect, &GRAPHENE_POINT_INIT (100, 0)));
g_assert_false (gsk_rounded_rect_contains_point (&rect, &GRAPHENE_POINT_INIT (100, 100)));
g_assert_false (gsk_rounded_rect_contains_point (&rect, &GRAPHENE_POINT_INIT (0, 100)));
g_assert_true (gsk_rounded_rect_contains_point (&rect, &GRAPHENE_POINT_INIT (0, 50)));
g_assert_true (gsk_rounded_rect_contains_point (&rect, &GRAPHENE_POINT_INIT (50, 0)));
g_assert_true (gsk_rounded_rect_contains_point (&rect, &GRAPHENE_POINT_INIT (50, 100)));
g_assert_true (gsk_rounded_rect_contains_point (&rect, &GRAPHENE_POINT_INIT (100, 50)));
g_assert_true (gsk_rounded_rect_contains_point (&rect, &GRAPHENE_POINT_INIT (95, 5)));
g_assert_true (gsk_rounded_rect_contains_point (&rect, &GRAPHENE_POINT_INIT (95, 90)));
g_assert_true (gsk_rounded_rect_contains_point (&rect, &GRAPHENE_POINT_INIT (10, 95)));
}
static void
test_is_circular (void)
{
GskRoundedRect rect;
gsk_rounded_rect_init (&rect,
&GRAPHENE_RECT_INIT (0, 0, 100, 100),
&GRAPHENE_SIZE_INIT (0, 0),
&GRAPHENE_SIZE_INIT (10, 10),
&GRAPHENE_SIZE_INIT (10, 20),
&GRAPHENE_SIZE_INIT (20, 10));
g_assert_false (gsk_rounded_rect_is_circular (&rect));
gsk_rounded_rect_init (&rect,
&GRAPHENE_RECT_INIT (0, 0, 100, 100),
&GRAPHENE_SIZE_INIT (0, 0),
&GRAPHENE_SIZE_INIT (10, 10),
&GRAPHENE_SIZE_INIT (20, 20),
&GRAPHENE_SIZE_INIT (30, 30));
g_assert_true (gsk_rounded_rect_is_circular (&rect));
}
static void
test_to_float (void)
{
GskRoundedRect rect;
float flt[12];
gsk_rounded_rect_init (&rect,
&GRAPHENE_RECT_INIT (0, 11, 22, 33),
&GRAPHENE_SIZE_INIT (4, 5),
&GRAPHENE_SIZE_INIT (6, 7),
&GRAPHENE_SIZE_INIT (8, 9),
&GRAPHENE_SIZE_INIT (10, 11));
gsk_rounded_rect_to_float (&rect, flt);
g_assert_true (flt[0] == 0. && flt[1] == 11. && flt[2] == 22. && flt[3] == 33.);
g_assert_true (flt[4] == 4. && flt[5] == 6.);
g_assert_true (flt[6] == 8. && flt[7] == 10.);
g_assert_true (flt[8] == 5. && flt[9] == 7.);
g_assert_true (flt[10] == 9. && flt[11] == 11.);
}
#define ROUNDED_RECT_INIT_FULL(x,y,w,h,w0,h0,w1,h1,w2,h2,w3,h3) \
(GskRoundedRect) { .bounds = GRAPHENE_RECT_INIT (x, y, w, h), \
.corner = { \
GRAPHENE_SIZE_INIT (w0, h0), \
GRAPHENE_SIZE_INIT (w1, h1), \
GRAPHENE_SIZE_INIT (w2, h2), \
GRAPHENE_SIZE_INIT (w3, h3), \
}}
#define ROUNDED_RECT_INIT(x,y,w,h,r) \
ROUNDED_RECT_INIT_FULL (x, y, w, h, r, r, r, r, r, r, r, r)
#define ROUNDED_RECT_INIT_UNIFORM(x,y,w,h,r1,r2,r3,r4) \
ROUNDED_RECT_INIT_FULL (x, y, w, h, r1, r1, r2, r2, r3, r3, r4, r4)
static void
test_intersect_with_rect (void)
{
struct {
GskRoundedRect rounded;
graphene_rect_t rect;
GskRoundedRect expected;
GskRoundedRectIntersection result;
} test[] = {
{ ROUNDED_RECT_INIT (20, 50, 100, 100, 50), GRAPHENE_RECT_INIT (60, 80, 60, 70),
ROUNDED_RECT_INIT (0, 0, 0, 0, 0), GSK_INTERSECTION_NOT_REPRESENTABLE },
{ ROUNDED_RECT_INIT (0, 0, 100, 100, 10), GRAPHENE_RECT_INIT (0, 0, 100, 100),
ROUNDED_RECT_INIT (0, 0, 100, 100, 10), GSK_INTERSECTION_NONEMPTY },
{ ROUNDED_RECT_INIT (0, 0, 100, 100, 10), GRAPHENE_RECT_INIT (0, 0, 80, 80),
ROUNDED_RECT_INIT_UNIFORM (0, 0, 80, 80, 10, 0, 0, 0), GSK_INTERSECTION_NONEMPTY },
{ ROUNDED_RECT_INIT (0, 0, 100, 100, 10), GRAPHENE_RECT_INIT (10, 10, 80, 80),
ROUNDED_RECT_INIT (10, 10, 80, 80, 0), GSK_INTERSECTION_NONEMPTY },
{ ROUNDED_RECT_INIT (0, 0, 100, 100, 10), GRAPHENE_RECT_INIT (10, 15, 100, 70),
ROUNDED_RECT_INIT (10, 15, 90, 70, 0), GSK_INTERSECTION_NONEMPTY },
{ ROUNDED_RECT_INIT (0, 0, 100, 100, 10), GRAPHENE_RECT_INIT (110, 0, 10, 10),
ROUNDED_RECT_INIT (0, 0, 0, 0, 0), GSK_INTERSECTION_EMPTY },
{ ROUNDED_RECT_INIT (0, 0, 100, 100, 10), GRAPHENE_RECT_INIT (5, 5, 90, 90),
ROUNDED_RECT_INIT (5, 5, 90, 90, 0), GSK_INTERSECTION_NONEMPTY },
{ ROUNDED_RECT_INIT (0, 0, 100, 100, 10), GRAPHENE_RECT_INIT (1, 1, 1, 1),
ROUNDED_RECT_INIT (0, 0, 0, 0, 0), GSK_INTERSECTION_EMPTY },
{ ROUNDED_RECT_INIT (0, 0, 100, 100, 10), GRAPHENE_RECT_INIT (5, -5, 10, 20),
ROUNDED_RECT_INIT (0, 0, 0, 0, 0), GSK_INTERSECTION_NOT_REPRESENTABLE },
{ ROUNDED_RECT_INIT_UNIFORM (-200, 0, 200, 100, 0, 0, 0, 40), GRAPHENE_RECT_INIT (-200, 0, 160, 100),
ROUNDED_RECT_INIT_UNIFORM (-200, 0, 160, 100, 0, 0, 0, 40), GSK_INTERSECTION_NONEMPTY },
};
for (unsigned int i = 0; i < G_N_ELEMENTS (test); i++)
{
GskRoundedRect out;
GskRoundedRectIntersection res;
if (g_test_verbose ())
g_test_message ("intersection test %u", i);
memset (&out, 0, sizeof (GskRoundedRect));
res = gsk_rounded_rect_intersect_with_rect (&test[i].rounded, &test[i].rect, &out);
g_assert_true (res == test[i].result);
if (res == GSK_INTERSECTION_NONEMPTY)
{
if (!gsk_rounded_rect_equal (&out, &test[i].expected))
{
char *s = gsk_rounded_rect_to_string (&test[i].expected);
char *s2 = gsk_rounded_rect_to_string (&out);
g_test_message ("expected %s, got %s\n", s, s2);
}
g_assert_true (gsk_rounded_rect_equal (&out, &test[i].expected));
}
g_assert_true ((res != GSK_INTERSECTION_EMPTY) == gsk_rounded_rect_intersects_rect (&test[i].rounded, &test[i].rect));
}
}
int
main (int argc,
char *argv[])
{
gtk_test_init (&argc, &argv, NULL);
g_test_add_func ("/rounded-rect/contains-rect", test_contains_rect);
g_test_add_func ("/rounded-rect/intersects-rect", test_intersects_rect);
g_test_add_func ("/rounded-rect/contains-point", test_contains_point);
g_test_add_func ("/rounded-rect/is-circular", test_is_circular);
g_test_add_func ("/rounded-rect/to-float", test_to_float);
g_test_add_func ("/rounded-rect/intersect-with-rect", test_intersect_with_rect);
return g_test_run ();
}
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