ui/display/util/x11/edid_parser_x11.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_DISPLAY_UTIL_X11_EDID_PARSER_X11_H_
   6 #define UI_DISPLAY_UTIL_X11_EDID_PARSER_X11_H_
   7
   8 #include <stdint.h>
   9
  10 #include <string>
  11
  12 #include "ui/display/types/display_constants.h"
  13 #include "ui/display/util/display_util_export.h"
  14
  15 typedef unsigned long XID;
  16 typedef XID RROutput;
  17
  18 // Xrandr utility functions to help get EDID information.
  19
  20 namespace ui {
  21
  22 // Gets the EDID data from |output| and generates the display id through
  23 // |GetDisplayIdFromEDID|.
  24 DISPLAY_UTIL_EXPORT bool GetDisplayId(XID output,
  25                                       uint8_t index,
  26                                       int64_t* display_id_out);
  27
  28 // Generate the human readable string from EDID obtained from |output|.
  29 DISPLAY_UTIL_EXPORT std::string GetDisplayName(RROutput output);
  30
  31 // Gets the overscan flag from |output| and stores to |flag|. Returns true if
  32 // the flag is found. Otherwise returns false and doesn't touch |flag|. The
  33 // output will produce overscan if |flag| is set to true, but the output may
  34 // still produce overscan even though it returns true and |flag| is set to
  35 // false.
  36 DISPLAY_UTIL_EXPORT bool GetOutputOverscanFlag(RROutput output, bool* flag);
  37
  38 }  // namespace ui
  39
  40 #endif  // UI_DISPLAY_UTIL_X11_EDID_PARSER_X11_H_