gecko-dev/gfx/thebes/DisplayConfigWindows.h
Hiroyuki Ikezoe 0587c5c29f Bug 1787079 - Expose gfx::GetDisplayConfig(). r=gfx-reviewers,lsalzman
We'd like to use it for changing DPI settings for the primary monitor.

Differential Revision: https://phabricator.services.mozilla.com/D156264
2022-09-15 10:13:13 +00:00

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_gfx_thebes_DisplayConfigWindows_h
#define mozilla_gfx_thebes_DisplayConfigWindows_h
#include <optional> // for std::optional
#include <utility> // for std::pair
#include <vector> // for std::vector
#include <wingdi.h>
#include "mozilla/gfx/Point.h" // for IntSize
#include "nsTArray.h"
namespace mozilla {
namespace gfx {
struct DisplayConfig {
std::vector<DISPLAYCONFIG_PATH_INFO> mPaths;
std::vector<DISPLAYCONFIG_MODE_INFO> mModes;
};
std::optional<DisplayConfig> GetDisplayConfig();
extern bool HasScaledResolution();
typedef nsTArray<std::pair<IntSize, IntSize>> ScaledResolutionSet;
void GetScaledResolutions(ScaledResolutionSet& aRv);
} // namespace gfx
} // namespace mozilla
#endif // mozilla_gfx_thebes_DisplayConfigWindows_h