Lerking/gtk
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add a curve bounds test

Browse Source
This commit is contained in:
Matthias Clasen
2020-12-07 01:23:52 -05:00
parent 6145b6e7a3
commit 5a785c3fab
1 changed files with 28 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
testsuite/gsk/curve.c
View File

@@ -118,6 +118,33 @@ test_curve_tangents (void)
g_assert_true (graphene_vec2_near (&t, graphene_vec2_y_axis (), 0.0001));
}
static void
test_curve_bounds (void)
{
for (int i = 0; i < 100; i++)
{
GskCurve c;
graphene_rect_t bounds;
graphene_rect_t hull;
init_random_curve (&c);
gsk_curve_get_bounds (&c, &hull);
gsk_curve_get_tight_bounds (&c, &bounds);
graphene_rect_inset (&hull, - 0.5, - 0.5); // FIXME: this seems big
g_assert_true (graphene_rect_contains_rect (&hull, &bounds));
graphene_rect_inset (&bounds, - 0.5, - 0.5);
for (int j = 0; j < 100; j++)
{
graphene_point_t p;
gsk_curve_eval (&c, j / 99.0, &p, NULL);
g_assert_true (graphene_rect_contains_point (&bounds, &p));
}
}
}
int
main (int argc, char *argv[])
{
@@ -125,6 +152,7 @@ main (int argc, char *argv[])
g_test_add_func ("/curve/points", test_curve_points);
g_test_add_func ("/curve/tangents", test_curve_tangents);
g_test_add_func ("/curve/bounds", test_curve_bounds);
return g_test_run ();
}