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

Add tests for gsk_path_is_convex

Browse Source
This commit is contained in:
Matthias Clasen
2023-07-01 20:56:43 -04:00
parent 2526481dce
commit 11882bc759
1 changed files with 75 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

81
testsuite/gsk/path.c
View File

@@ -45,7 +45,7 @@ create_random_degenerate_path (guint max_contours)
case 1:
/* a single point */
gsk_path_builder_move_to (builder,
gsk_path_builder_move_to (builder,
g_test_rand_double_range (-1000, 1000),
g_test_rand_double_range (-1000, 1000));
break;
@@ -54,7 +54,7 @@ create_random_degenerate_path (guint max_contours)
/* N points */
for (i = 0; i < MIN (10, max_contours); i++)
{
gsk_path_builder_move_to (builder,
gsk_path_builder_move_to (builder,
g_test_rand_double_range (-1000, 1000),
g_test_rand_double_range (-1000, 1000));
}
@@ -62,7 +62,7 @@ create_random_degenerate_path (guint max_contours)
case 3:
/* 1 closed point */
gsk_path_builder_move_to (builder,
gsk_path_builder_move_to (builder,
g_test_rand_double_range (-1000, 1000),
g_test_rand_double_range (-1000, 1000));
gsk_path_builder_close (builder);
@@ -70,7 +70,7 @@ create_random_degenerate_path (guint max_contours)
case 4:
/* the same point closed N times */
gsk_path_builder_move_to (builder,
gsk_path_builder_move_to (builder,
g_test_rand_double_range (-1000, 1000),
g_test_rand_double_range (-1000, 1000));
for (i = 0; i < MIN (10, max_contours); i++)
@@ -467,7 +467,7 @@ path_operation_equal (const PathOperation *p1,
}
}
static gboolean
static gboolean
collect_path_operation_cb (GskPathOperation op,
const graphene_point_t *pts,
gsize n_pts,
@@ -1147,7 +1147,7 @@ test_in_fill_rotated (void)
GskFillRule fill_rule = g_random_int_range (0, N_FILL_RULES);
float x = g_test_rand_double_range (-1000, 1000);
float y = g_test_rand_double_range (-1000, 1000);
g_assert_cmpint (gsk_path_measure_in_fill (measures[0], &GRAPHENE_POINT_INIT (x, y), fill_rule),
==,
gsk_path_measure_in_fill (measures[1], &GRAPHENE_POINT_INIT (y, -x), fill_rule));
@@ -1162,6 +1162,74 @@ test_in_fill_rotated (void)
#undef N_FILL_RULES
}
static void
test_path_convexity (void)
{
GskPathBuilder *builder;
GskPath *path;
builder = gsk_path_builder_new ();
gsk_path_builder_add_circle (builder, &GRAPHENE_POINT_INIT (100, 100), 100);
path = gsk_path_builder_free_to_path (builder);
g_assert_true (gsk_path_is_convex (path));
gsk_path_unref (path);
builder = gsk_path_builder_new ();
gsk_path_builder_add_circle (builder, &GRAPHENE_POINT_INIT (100, 100), 100);
gsk_path_builder_add_circle (builder, &GRAPHENE_POINT_INIT (100, 100), 10);
path = gsk_path_builder_free_to_path (builder);
g_assert_false (gsk_path_is_convex (path));
gsk_path_unref (path);
builder = gsk_path_builder_new ();
gsk_path_builder_add_rect (builder, &GRAPHENE_RECT_INIT (9, 0, 100, 100));
path = gsk_path_builder_free_to_path (builder);
g_assert_true (gsk_path_is_convex (path));
gsk_path_unref (path);
path = gsk_path_parse ("M 100 100 C 150 50 200 50 250 100 C 200 150 150 150 100 100 Z");
g_assert_true (gsk_path_is_convex (path));
gsk_path_unref (path);
path = gsk_path_parse ("M 100 100 L 150 50 L 200 100 L 250 50 L 300 100 L 200 200 Z");
g_assert_false (gsk_path_is_convex (path));
gsk_path_unref (path);
/* Cantarell M, only turns in one direction, but winds around several times */
path = gsk_path_parse ("M 185.70745849609375 704 "
"L 282.899658203125 704 "
"L 282.899658203125 150.52880859375 "
"L 265.08203125 156.04779052734375 "
"L 491.34271240234375 596.20440673828125 "
"L 569.83355712890625 596.20440673828125 "
"L 792.276611328125 156.04779052734375 "
"L 780.48101806640625 151.55084228515625 "
"L 780.48101806640625 704 "
"L 877.6732177734375 704 "
"L 877.6732177734375 10 "
"L 778.70745849609375 10 "
"L 507.47491455078125 540.8739013671875 "
"L 561.7674560546875 540.8739013671875 "
"L 287.46881103515625 10 "
"L 185.70745849609375 10 "
"L 185.70745849609375 704 "
"Z");
g_assert_false (gsk_path_is_convex (path));
gsk_path_unref (path);
}
int
main (int argc,
char *argv[])
@@ -1179,6 +1247,7 @@ main (int argc,
g_test_add_func ("/path/parse", test_parse);
g_test_add_func ("/path/in-fill-union", test_in_fill_union);
g_test_add_func ("/path/in-fill-rotated", test_in_fill_rotated);
g_test_add_func ("/path/convexity", test_path_convexity);
return g_test_run ();
}