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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/base/layout.h" | 5 #include "ui/base/layout.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <cmath> | 8 #include <cmath> |
9 #include <limits> | 9 #include <limits> |
10 | 10 |
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25 #endif // defined(OS_WIN) | 25 #endif // defined(OS_WIN) |
26 | 26 |
27 namespace ui { | 27 namespace ui { |
28 | 28 |
29 namespace { | 29 namespace { |
30 | 30 |
31 std::vector<ScaleFactor>* g_supported_scale_factors = NULL; | 31 std::vector<ScaleFactor>* g_supported_scale_factors = NULL; |
32 | 32 |
33 const float kScaleFactorScales[] = {1.0f, 1.0f, 1.25f, 1.33f, 1.4f, 1.5f, 1.8f, | 33 const float kScaleFactorScales[] = {1.0f, 1.0f, 1.25f, 1.33f, 1.4f, 1.5f, 1.8f, |
34 2.0f, 2.5f, 3.0f}; | 34 2.0f, 2.5f, 3.0f}; |
35 COMPILE_ASSERT(NUM_SCALE_FACTORS == arraysize(kScaleFactorScales), | 35 static_assert(NUM_SCALE_FACTORS == arraysize(kScaleFactorScales), |
36 kScaleFactorScales_incorrect_size); | 36 "kScaleFactorScales has incorrect size"); |
37 | 37 |
38 } // namespace | 38 } // namespace |
39 | 39 |
40 void SetSupportedScaleFactors( | 40 void SetSupportedScaleFactors( |
41 const std::vector<ui::ScaleFactor>& scale_factors) { | 41 const std::vector<ui::ScaleFactor>& scale_factors) { |
42 if (g_supported_scale_factors != NULL) | 42 if (g_supported_scale_factors != NULL) |
43 delete g_supported_scale_factors; | 43 delete g_supported_scale_factors; |
44 | 44 |
45 g_supported_scale_factors = new std::vector<ScaleFactor>(scale_factors); | 45 g_supported_scale_factors = new std::vector<ScaleFactor>(scale_factors); |
46 std::sort(g_supported_scale_factors->begin(), | 46 std::sort(g_supported_scale_factors->begin(), |
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119 | 119 |
120 #if !defined(OS_MACOSX) | 120 #if !defined(OS_MACOSX) |
121 float GetScaleFactorForNativeView(gfx::NativeView view) { | 121 float GetScaleFactorForNativeView(gfx::NativeView view) { |
122 gfx::Screen* screen = gfx::Screen::GetScreenFor(view); | 122 gfx::Screen* screen = gfx::Screen::GetScreenFor(view); |
123 gfx::Display display = screen->GetDisplayNearestWindow(view); | 123 gfx::Display display = screen->GetDisplayNearestWindow(view); |
124 return display.device_scale_factor(); | 124 return display.device_scale_factor(); |
125 } | 125 } |
126 #endif // !defined(OS_MACOSX) | 126 #endif // !defined(OS_MACOSX) |
127 | 127 |
128 } // namespace ui | 128 } // namespace ui |
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