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author | Matthias Clasen <mclasen@redhat.com> | 2020-12-20 11:50:22 -0500 |
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committer | Matthias Clasen <mclasen@redhat.com> | 2021-12-04 22:58:23 -0500 |
commit | 021bca4629d77916520ed89646ba77d30af2e85b (patch) | |
tree | 8e7a2334f343edb497531ae669dc712d53c33972 | |
parent | f91995db06512ba9cee0ddeb4b521b6113c8e4c8 (diff) | |
download | gtk+-021bca4629d77916520ed89646ba77d30af2e85b.tar.gz |
Add a test for gsk_curve_reverse
The stroker relies on this working.
-rw-r--r-- | testsuite/gsk/curve.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/testsuite/gsk/curve.c b/testsuite/gsk/curve.c index 5b5af1fadd..2588ed2706 100644 --- a/testsuite/gsk/curve.c +++ b/testsuite/gsk/curve.c @@ -465,6 +465,52 @@ test_curve_split (void) } } +/* Test that reversing curves of all types produces the + * expected result + */ +static void +test_curve_reverse (void) +{ + GskCurve c, r; + graphene_point_t p[4]; + + graphene_point_init (&p[0], 0, 0); + graphene_point_init (&p[1], 50, 50); + gsk_curve_init (&c, gsk_pathop_encode (GSK_PATH_LINE, p)); + + gsk_curve_reverse (&c, &r); + + g_assert_true (r.op == GSK_PATH_LINE); + g_assert_true (graphene_point_equal (&r.line.points[0], &p[1])); + g_assert_true (graphene_point_equal (&r.line.points[1], &p[0])); + + graphene_point_init (&p[0], 0, 0); + graphene_point_init (&p[1], 50, 50); + graphene_point_init (&p[2], 100, 50); + graphene_point_init (&p[3], 200, 0); + gsk_curve_init (&c, gsk_pathop_encode (GSK_PATH_CURVE, p)); + + gsk_curve_reverse (&c, &r); + g_assert_true (r.op == GSK_PATH_CURVE); + g_assert_true (graphene_point_equal (&r.curve.points[0], &p[3])); + g_assert_true (graphene_point_equal (&r.curve.points[1], &p[2])); + g_assert_true (graphene_point_equal (&r.curve.points[2], &p[1])); + g_assert_true (graphene_point_equal (&r.curve.points[3], &p[0])); + + graphene_point_init (&p[0], 0, 0); + graphene_point_init (&p[1], 50, 50); + graphene_point_init (&p[2], 100, 50); + gsk_curve_init_foreach (&c, GSK_PATH_CONIC, p, 3, 20); + + gsk_curve_reverse (&c, &r); + g_assert_true (r.op == GSK_PATH_CONIC); + g_assert_true (r.conic.points[2].x == 20); + + g_assert_true (graphene_point_equal (&r.conic.points[0], &c.conic.points[3])); + g_assert_true (graphene_point_equal (&r.conic.points[1], &c.conic.points[1])); + g_assert_true (graphene_point_equal (&r.conic.points[3], &c.conic.points[0])); +} + int main (int argc, char *argv[]) { @@ -479,6 +525,7 @@ main (int argc, char *argv[]) g_test_add_func ("/curve/intersection/curve-curve", test_curve_curve_intersection); g_test_add_func ("/curve/intersection/horizontal-line", test_curve_intersection_horizontal_line); g_test_add_func ("/curve/split", test_curve_split); + g_test_add_func ("/curve/reverse", test_curve_reverse); return g_test_run (); } |