// Copyright (c) 2012 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "ui/gfx/transform_util.h" #include "ui/gfx/point.h" #include "testing/gtest/include/gtest/gtest.h" namespace gfx { namespace { TEST(TransformUtilTest, GetScaleTransform) { const Point kAnchor(20, 40); const float kScale = 0.5f; Transform scale = GetScaleTransform(kAnchor, kScale); const int kOffset = 10; for (int sign_x = -1; sign_x <= 1; ++sign_x) { for (int sign_y = -1; sign_y <= 1; ++sign_y) { Point test(kAnchor.x() + sign_x * kOffset, kAnchor.y() + sign_y * kOffset); scale.TransformPoint(test); EXPECT_EQ(Point(kAnchor.x() + sign_x * kOffset * kScale, kAnchor.y() + sign_y * kOffset * kScale), test); } } } } // namespace } // namespace gfx