gfx/thebes/DisplayConfigWindows.h

   1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef mozilla_gfx_thebes_DisplayConfigWindows_h
   7 #define mozilla_gfx_thebes_DisplayConfigWindows_h
   8
   9 #include <optional>  // for std::optional
  10 #include <utility>   // for std::pair
  11 #include <vector>    // for std::vector
  12 #include <wingdi.h>
  13 #include "mozilla/gfx/Point.h"  // for IntSize
  14 #include "nsTArray.h"
  15
  16 namespace mozilla {
  17 namespace gfx {
  18
  19 struct DisplayConfig {
  20   std::vector<DISPLAYCONFIG_PATH_INFO> mPaths;
  21   std::vector<DISPLAYCONFIG_MODE_INFO> mModes;
  22 };
  23
  24 std::optional<DisplayConfig> GetDisplayConfig();
  25
  26 extern bool HasScaledResolution();
  27
  28 typedef nsTArray<std::pair<IntSize, IntSize>> ScaledResolutionSet;
  29 void GetScaledResolutions(ScaledResolutionSet& aRv);
  30
  31 }  // namespace gfx
  32 }  // namespace mozilla
  33
  34 #endif  // mozilla_gfx_thebes_DisplayConfigWindows_h