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Add another transform test

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Test that transforming bounds with negative scales
works as expected.
This commit is contained in:
Matthias Clasen 2023-04-30 16:22:39 -04:00
parent d92c6406d1
commit 386c3ac34f
1 changed files with 8 additions and 0 deletions
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8
testsuite/gsk/transform.c
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@ -582,6 +582,14 @@ test_transform_bounds (void)
t = gsk_transform_translate (t, &GRAPHENE_POINT_INIT (-50, -50));
gsk_transform_transform_bounds (t, &bounds, &out);
g_assert_true (graphene_rect_equal (&out, &GRAPHENE_RECT_INIT(0, 0, 100, 100)));
t = gsk_transform_scale (NULL, -1, 1);
gsk_transform_transform_bounds (t, &bounds, &out);
g_assert_true (graphene_rect_equal (&out, &GRAPHENE_RECT_INIT(-100, 0, 100, 100)));
t = gsk_transform_scale (NULL, -1, -2);
gsk_transform_transform_bounds (t, &bounds, &out);
g_assert_true (graphene_rect_equal (&out, &GRAPHENE_RECT_INIT(-100, -200, 100, 200)));
}
#define DEG_TO_RAD(x) ((x) / 180.0 * G_PI)