ui/gfx/color_profile_win.cc

   1 // Copyright (c) 2012 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 #include "ui/gfx/color_profile.h"
   6
   7 #include <windows.h>
   8 #include <map>
   9
  10 #include "base/files/file_util.h"
  11 #include "base/lazy_instance.h"
  12 #include "base/synchronization/lock.h"
  13
  14 namespace gfx {
  15
  16 void ReadColorProfile(std::vector<char>* profile) {
  17   // TODO: support multiple monitors.
  18   HDC screen_dc = GetDC(NULL);
  19   DWORD path_len = MAX_PATH;
  20   WCHAR path[MAX_PATH + 1];
  21
  22   BOOL result = GetICMProfile(screen_dc, &path_len, path);
  23   ReleaseDC(NULL, screen_dc);
  24   if (!result)
  25     return;
  26   std::string profileData;
  27   if (!base::ReadFileToString(base::FilePath(path), &profileData))
  28     return;
  29   size_t length = profileData.size();
  30   if (gfx::InvalidColorProfileLength(length))
  31     return;
  32   profile->assign(profileData.data(), profileData.data() + length);
  33 }
  34
  35 }  // namespace gfx