diff options
Diffstat (limited to 'tests/MatrixTest.cpp')
-rw-r--r-- | tests/MatrixTest.cpp | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/tests/MatrixTest.cpp b/tests/MatrixTest.cpp index fc7ac42a99..8a27a9eddf 100644 --- a/tests/MatrixTest.cpp +++ b/tests/MatrixTest.cpp @@ -71,6 +71,45 @@ static bool is_identity(const SkMatrix& m) { return nearly_equal(m, identity); } +static void assert9(skiatest::Reporter* reporter, const SkMatrix& m, + SkScalar a, SkScalar b, SkScalar c, + SkScalar d, SkScalar e, SkScalar f, + SkScalar g, SkScalar h, SkScalar i) { + SkScalar buffer[9]; + m.get9(buffer); + REPORTER_ASSERT(reporter, buffer[0] == a); + REPORTER_ASSERT(reporter, buffer[1] == b); + REPORTER_ASSERT(reporter, buffer[2] == c); + REPORTER_ASSERT(reporter, buffer[3] == d); + REPORTER_ASSERT(reporter, buffer[4] == e); + REPORTER_ASSERT(reporter, buffer[5] == f); + REPORTER_ASSERT(reporter, buffer[6] == g); + REPORTER_ASSERT(reporter, buffer[7] == h); + REPORTER_ASSERT(reporter, buffer[8] == i); +} + +static void test_set9(skiatest::Reporter* reporter) { + + SkMatrix m; + m.reset(); + assert9(reporter, m, 1, 0, 0, 0, 1, 0, 0, 0, 1); + + m.setScale(2, 3); + assert9(reporter, m, 2, 0, 0, 0, 3, 0, 0, 0, 1); + + m.postTranslate(4, 5); + assert9(reporter, m, 2, 0, 4, 0, 3, 5, 0, 0, 1); + + SkScalar buffer[9]; + sk_bzero(buffer, sizeof(buffer)); + buffer[SkMatrix::kMScaleX] = 1; + buffer[SkMatrix::kMScaleY] = 1; + buffer[SkMatrix::kMPersp2] = 1; + REPORTER_ASSERT(reporter, !m.isIdentity()); + m.set9(buffer); + REPORTER_ASSERT(reporter, m.isIdentity()); +} + static void test_matrix_recttorect(skiatest::Reporter* reporter) { SkRect src, dst; SkMatrix matrix; @@ -849,6 +888,7 @@ DEF_TEST(Matrix, reporter) { test_matrix_recttorect(reporter); test_matrix_decomposition(reporter); test_matrix_homogeneous(reporter); + test_set9(reporter); } DEF_TEST(Matrix_Concat, r) { |