| OLD | NEW |
| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "ui/compositor/dip_util.h" | 5 #include "ui/compositor/dip_util.h" |
| 6 | 6 |
| 7 #include "base/command_line.h" | 7 #include "base/command_line.h" |
| 8 #include "ui/base/ui_base_switches.h" | 8 #include "ui/base/ui_base_switches.h" |
| 9 #include "ui/compositor/compositor.h" | 9 #include "ui/compositor/compositor.h" |
| 10 #include "ui/compositor/compositor_switches.h" | 10 #include "ui/compositor/compositor_switches.h" |
| 11 #include "ui/compositor/layer.h" | 11 #include "ui/compositor/layer.h" |
| 12 #include "ui/gfx/monitor.h" | 12 #include "ui/gfx/monitor.h" |
| 13 #include "ui/gfx/point.h" | 13 #include "ui/gfx/point.h" |
| 14 #include "ui/gfx/size.h" | 14 #include "ui/gfx/size.h" |
| 15 #include "ui/gfx/rect.h" | 15 #include "ui/gfx/rect.h" |
| 16 | 16 |
| 17 namespace ui { | 17 namespace ui { |
| 18 namespace { | |
| 19 bool dip_enabled_for_test = false; | |
| 20 } // namespace | |
| 21 | |
| 22 namespace test { | |
| 23 | |
| 24 ScopedDIPEnablerForTest::ScopedDIPEnablerForTest() { | |
| 25 CHECK(!dip_enabled_for_test); | |
| 26 dip_enabled_for_test = true; | |
| 27 } | |
| 28 | |
| 29 ScopedDIPEnablerForTest::~ScopedDIPEnablerForTest() { | |
| 30 dip_enabled_for_test = false; | |
| 31 } | |
| 32 | |
| 33 } // namespace test | |
| 34 | |
| 35 bool IsDIPEnabled() { | |
| 36 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); | |
| 37 static const bool dip_enabled = | |
| 38 command_line.HasSwitch(switches::kDefaultDeviceScaleFactor) || | |
| 39 (command_line.HasSwitch(switches::kUIEnableDIP) && | |
| 40 command_line.GetSwitchValueASCII(switches::kUIEnableDIP) != "false"); | |
| 41 return dip_enabled || dip_enabled_for_test; | |
| 42 } | |
| 43 | 18 |
| 44 float GetDeviceScaleFactor(const Layer* layer) { | 19 float GetDeviceScaleFactor(const Layer* layer) { |
| 45 if (!IsDIPEnabled()) | |
| 46 return 1.0f; | |
| 47 return layer->device_scale_factor(); | 20 return layer->device_scale_factor(); |
| 48 } | 21 } |
| 49 | 22 |
| 50 gfx::Point ConvertPointToDIP(const Layer* layer, | 23 gfx::Point ConvertPointToDIP(const Layer* layer, |
| 51 const gfx::Point& point_in_pixel) { | 24 const gfx::Point& point_in_pixel) { |
| 52 if (IsDIPEnabled()) | 25 return point_in_pixel.Scale(1.0f / GetDeviceScaleFactor(layer)); |
| 53 return point_in_pixel.Scale(1.0f / GetDeviceScaleFactor(layer)); | |
| 54 else | |
| 55 return point_in_pixel; | |
| 56 } | 26 } |
| 57 | 27 |
| 58 gfx::Size ConvertSizeToDIP(const Layer* layer, | 28 gfx::Size ConvertSizeToDIP(const Layer* layer, |
| 59 const gfx::Size& size_in_pixel) { | 29 const gfx::Size& size_in_pixel) { |
| 60 if (IsDIPEnabled()) | 30 return size_in_pixel.Scale(1.0f / GetDeviceScaleFactor(layer)); |
| 61 return size_in_pixel.Scale(1.0f / GetDeviceScaleFactor(layer)); | |
| 62 else | |
| 63 return size_in_pixel; | |
| 64 } | 31 } |
| 65 | 32 |
| 66 gfx::Rect ConvertRectToDIP(const Layer* layer, | 33 gfx::Rect ConvertRectToDIP(const Layer* layer, |
| 67 const gfx::Rect& rect_in_pixel) { | 34 const gfx::Rect& rect_in_pixel) { |
| 68 if (IsDIPEnabled()) { | 35 float scale = 1.0f / GetDeviceScaleFactor(layer); |
| 69 float scale = 1.0f / GetDeviceScaleFactor(layer); | 36 return gfx::Rect(rect_in_pixel.origin().Scale(scale), |
| 70 return gfx::Rect(rect_in_pixel.origin().Scale(scale), | 37 rect_in_pixel.size().Scale(scale)); |
| 71 rect_in_pixel.size().Scale(scale)); | |
| 72 } else { | |
| 73 return rect_in_pixel; | |
| 74 } | |
| 75 } | 38 } |
| 76 | 39 |
| 77 gfx::Point ConvertPointToPixel(const Layer* layer, | 40 gfx::Point ConvertPointToPixel(const Layer* layer, |
| 78 const gfx::Point& point_in_dip) { | 41 const gfx::Point& point_in_dip) { |
| 79 if (IsDIPEnabled()) { | 42 return point_in_dip.Scale(GetDeviceScaleFactor(layer)); |
| 80 return point_in_dip.Scale(GetDeviceScaleFactor(layer)); | |
| 81 } else { | |
| 82 return point_in_dip; | |
| 83 } | |
| 84 } | 43 } |
| 85 | 44 |
| 86 gfx::Size ConvertSizeToPixel(const Layer* layer, | 45 gfx::Size ConvertSizeToPixel(const Layer* layer, |
| 87 const gfx::Size& size_in_dip) { | 46 const gfx::Size& size_in_dip) { |
| 88 if (IsDIPEnabled()) { | 47 return size_in_dip.Scale(GetDeviceScaleFactor(layer)); |
| 89 return size_in_dip.Scale(GetDeviceScaleFactor(layer)); | |
| 90 } else { | |
| 91 return size_in_dip; | |
| 92 } | |
| 93 } | 48 } |
| 94 | 49 |
| 95 gfx::Rect ConvertRectToPixel(const Layer* layer, | 50 gfx::Rect ConvertRectToPixel(const Layer* layer, |
| 96 const gfx::Rect& rect_in_dip) { | 51 const gfx::Rect& rect_in_dip) { |
| 97 if (IsDIPEnabled()) { | 52 float scale = GetDeviceScaleFactor(layer); |
| 98 float scale = GetDeviceScaleFactor(layer); | 53 return gfx::Rect(rect_in_dip.origin().Scale(scale), |
| 99 return gfx::Rect(rect_in_dip.origin().Scale(scale), | 54 rect_in_dip.size().Scale(scale)); |
| 100 rect_in_dip.size().Scale(scale)); | |
| 101 } else { | |
| 102 return rect_in_dip; | |
| 103 } | |
| 104 } | 55 } |
| 105 } // namespace ui | 56 } // namespace ui |
| OLD | NEW |