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// 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/display/win/display_info.h"
#include "base/hash.h"
#include "base/strings/utf_string_conversions.h"
namespace {
gfx::Display::Rotation GetRotationForDevice(const wchar_t* device_name) {
DEVMODE mode;
::ZeroMemory(&mode, sizeof(mode));
mode.dmSize = sizeof(mode);
mode.dmDriverExtra = 0;
if (::EnumDisplaySettings(device_name, ENUM_CURRENT_SETTINGS, &mode)) {
switch (mode.dmDisplayOrientation) {
case DMDO_DEFAULT:
return gfx::Display::ROTATE_0;
case DMDO_90:
return gfx::Display::ROTATE_90;
case DMDO_180:
return gfx::Display::ROTATE_180;
case DMDO_270:
return gfx::Display::ROTATE_270;
default:
NOTREACHED();
}
}
return gfx::Display::ROTATE_0;
}
} // namespace
namespace display {
namespace win {
DisplayInfo::DisplayInfo(const MONITORINFOEX& monitor_info,
float device_scale_factor)
: DisplayInfo(monitor_info,
device_scale_factor,
GetRotationForDevice(monitor_info.szDevice)) {}
DisplayInfo::DisplayInfo(const MONITORINFOEX& monitor_info,
float device_scale_factor,
gfx::Display::Rotation rotation)
: id_(DeviceIdFromDeviceName(monitor_info.szDevice)),
rotation_(rotation),
screen_rect_(monitor_info.rcMonitor),
screen_work_rect_(monitor_info.rcWork),
device_scale_factor_(device_scale_factor) {}
// static
int64_t DisplayInfo::DeviceIdFromDeviceName(const wchar_t* device_name) {
return static_cast<int64_t>(base::Hash(base::WideToUTF8(device_name)));
}
} // namespace win
} // namespace display
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