ui/ozone/common/display_util.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef UI_OZONE_COMMON_DISPLAY_UTIL_H_
   6 #define UI_OZONE_COMMON_DISPLAY_UTIL_H_
   7
   8 #include <vector>
   9
  10 #include "ui/ozone/common/gpu/ozone_gpu_message_params.h"
  11
  12 namespace base {
  13 class FilePath;
  14 }
  15
  16 namespace ui {
  17
  18 class DisplayMode;
  19 class DisplaySnapshot;
  20
  21 // Conforms to the std::UnaryPredicate interface such that it can be used to
  22 // find a display with |display_id| in std:: containers (ie: std::vector).
  23 class FindDisplayById {
  24  public:
  25   FindDisplayById(int64_t display_id);
  26
  27   bool operator()(const DisplaySnapshot_Params& display) const;
  28
  29  private:
  30   int64_t display_id_;
  31 };
  32
  33 DisplayMode_Params GetDisplayModeParams(const DisplayMode& mode);
  34 DisplaySnapshot_Params GetDisplaySnapshotParams(const DisplaySnapshot& display);
  35
  36 // Create a display using the Ozone command line parameters.
  37 // Return false if the command line flags are not specified.
  38 bool CreateSnapshotFromCommandLine(DisplaySnapshot_Params* snapshot_out);
  39
  40 // Create a display snapshot from |file| that contains EDID.
  41 // Return false if the file doesn't exist, or it doesn't contain valid EDID.
  42 bool CreateSnapshotFromEDIDFile(const base::FilePath& file,
  43                                 DisplaySnapshot_Params* snapshot_out);
  44
  45 // Create a display snaphot from edid.
  46 // Return false if it doesn't contain valid EDID.
  47 OZONE_EXPORT bool CreateSnapshotFromEDID(bool internal,
  48                                          const std::vector<uint8_t>& edid,
  49                                          DisplaySnapshot_Params* snapshot_out);
  50
  51 }  // namespace ui
  52
  53 #endif  // UI_OZONE_COMMON_DISPLAY_UTIL_H_