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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/gfx/win/dpi.h" | 5 #include "ui/gfx/win/dpi.h" |
6 | 6 |
7 #include <windows.h> | 7 #include <windows.h> |
8 #include "base/command_line.h" | 8 #include "base/command_line.h" |
9 #include "base/win/scoped_hdc.h" | 9 #include "base/win/scoped_hdc.h" |
10 #include "base/win/windows_version.h" | 10 #include "base/win/windows_version.h" |
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33 } | 33 } |
34 | 34 |
35 // Gets the device scale factor. If support is enabled, this will return the | 35 // Gets the device scale factor. If support is enabled, this will return the |
36 // best available scale based on the screen's pixel density. This can be | 36 // best available scale based on the screen's pixel density. This can be |
37 // affected (overridden) by --force-device-scale-factor=x | 37 // affected (overridden) by --force-device-scale-factor=x |
38 float GetDeviceScaleFactorImpl() { | 38 float GetDeviceScaleFactorImpl() { |
39 if (IsHighDPIEnabled()) { | 39 if (IsHighDPIEnabled()) { |
40 float scale = gfx::Display::HasForceDeviceScaleFactor() ? | 40 float scale = gfx::Display::HasForceDeviceScaleFactor() ? |
41 gfx::Display::GetForcedDeviceScaleFactor() : gfx::GetDPIScale(); | 41 gfx::Display::GetForcedDeviceScaleFactor() : gfx::GetDPIScale(); |
42 // Quantize to nearest supported scale factor. | 42 // Quantize to nearest supported scale factor. |
43 scale = ui::GetScaleFactorScale(ui::GetScaleFactorFromScale(scale)); | 43 scale = ui::GetImageScale(ui::GetSupportedScaleFactor(scale)); |
44 return scale; | 44 return scale; |
45 } | 45 } |
46 return 1.0f; | 46 return 1.0f; |
47 } | 47 } |
48 | 48 |
49 BOOL IsProcessDPIAwareWrapper() { | 49 BOOL IsProcessDPIAwareWrapper() { |
50 typedef BOOL(WINAPI *IsProcessDPIAwarePtr)(VOID); | 50 typedef BOOL(WINAPI *IsProcessDPIAwarePtr)(VOID); |
51 IsProcessDPIAwarePtr is_process_dpi_aware_func = | 51 IsProcessDPIAwarePtr is_process_dpi_aware_func = |
52 reinterpret_cast<IsProcessDPIAwarePtr>( | 52 reinterpret_cast<IsProcessDPIAwarePtr>( |
53 GetProcAddress(GetModuleHandleA("user32.dll"), "IsProcessDPIAware")); | 53 GetProcAddress(GetModuleHandleA("user32.dll"), "IsProcessDPIAware")); |
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166 double GetUndocumentedDPITouchScale() { | 166 double GetUndocumentedDPITouchScale() { |
167 static double scale = | 167 static double scale = |
168 (base::win::GetVersion() < base::win::VERSION_WIN8_1) ? | 168 (base::win::GetVersion() < base::win::VERSION_WIN8_1) ? |
169 GetUndocumentedDPIScale() : 1.0; | 169 GetUndocumentedDPIScale() : 1.0; |
170 return scale; | 170 return scale; |
171 } | 171 } |
172 | 172 |
173 | 173 |
174 } // namespace win | 174 } // namespace win |
175 } // namespace gfx | 175 } // namespace gfx |
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