blob: e1b7ed5e7e03764dfcaa51fd19fe68f1ae6fbfdd [file] [log] [blame]
// Copyright 2013 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 "stdafx.h"
#include <windows.h>
#include <wrl\implements.h>
#include <wrl\wrappers\corewrappers.h>
#include <windows.foundation.h>
#include <windows.graphics.display.h>
#include "base/win/windows_version.h"
#include "ui/gfx/win/dpi.h"
#include "winrt_utils.h"
float GetModernUIScale() {
if (base::win::GetVersion() >= base::win::VERSION_WIN8) {
Microsoft::WRL::ComPtr<
ABI::Windows::Graphics::Display::IDisplayPropertiesStatics>
display_properties;
if (SUCCEEDED(winrt_utils::CreateActivationFactory(
RuntimeClass_Windows_Graphics_Display_DisplayProperties,
display_properties.GetAddressOf()))) {
ABI::Windows::Graphics::Display::ResolutionScale resolution_scale;
if (SUCCEEDED(display_properties->get_ResolutionScale(&resolution_scale)))
return static_cast<float>(resolution_scale) / 100.0f;
}
}
return gfx::GetDPIScale();
}