| // Copyright 2016 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/aura/test/aura_test_base.h" |
| #include "ui/aura/test/test_screen.h" |
| #include "ui/aura/window.h" |
| #include "ui/compositor/layer.h" |
| |
| namespace aura { |
| |
| using WindowTreeHostTest = test::AuraTestBase; |
| |
| TEST_F(WindowTreeHostTest, DPIWindowSize) { |
| gfx::Rect starting_bounds(0, 0, 800, 600); |
| EXPECT_EQ(starting_bounds.size(), host()->compositor()->size()); |
| EXPECT_EQ(starting_bounds, host()->GetBounds()); |
| EXPECT_EQ(starting_bounds, root_window()->bounds()); |
| |
| test_screen()->SetDeviceScaleFactor(1.5f); |
| EXPECT_EQ(starting_bounds, host()->GetBounds()); |
| // Size should be rounded up after scaling. |
| EXPECT_EQ(gfx::Rect(0, 0, 534, 400), root_window()->bounds()); |
| |
| gfx::Transform transform; |
| transform.Translate(0, 1.1f); |
| host()->SetRootTransform(transform); |
| EXPECT_EQ(gfx::Rect(0, 1, 534, 401), root_window()->bounds()); |
| |
| gfx::Insets padding(1, 2, 3, 4); |
| // Padding is in physical pixels. |
| host()->SetOutputSurfacePadding(padding); |
| gfx::Rect padded_rect = starting_bounds; |
| padded_rect.Inset(-padding); |
| EXPECT_EQ(padded_rect.size(), host()->compositor()->size()); |
| EXPECT_EQ(starting_bounds, host()->GetBounds()); |
| EXPECT_EQ(gfx::Rect(1, 1, 534, 401), root_window()->bounds()); |
| EXPECT_EQ(gfx::Vector2dF(0, 0), |
| host()->compositor()->root_layer()->subpixel_position_offset()); |
| } |
| |
| } // namespace aura |