C++ (Cpp) COLOR_16_TO_8_BITの例

コード例 #1

ファイル: nsGNOMEShellService.cpp プロジェクト: rickysarraf/icedove

NS_IMETHODIMP
nsGNOMEShellService::GetDesktopBackgroundColor(uint32_t *aColor)
{
  nsCOMPtr<nsIGSettingsService> gsettings(do_GetService(NS_GSETTINGSSERVICE_CONTRACTID));
  nsCOMPtr<nsIGSettingsCollection> background_settings;

  if (gsettings)
    gsettings->GetCollectionForSchema(NS_LITERAL_CSTRING(OGDB_SCHEMA),
                                      getter_AddRefs(background_settings));

  nsCString background;
  if (background_settings)
    background_settings->GetString(NS_LITERAL_CSTRING(OGDB_COLOR),
                                   background);
  else {
    nsCOMPtr<nsIGConfService> gconf(do_GetService(NS_GCONFSERVICE_CONTRACTID));
    if (gconf)
      gconf->GetString(NS_LITERAL_CSTRING(DGB_COLOR), background);
  }

  if (background.IsEmpty())
    return NS_ERROR_FAILURE;

  GdkColor color;
  NS_ENSURE_TRUE(gdk_color_parse(background.get(), &color), NS_ERROR_FAILURE);

  *aColor = COLOR_16_TO_8_BIT(color.red) << 16 |
            COLOR_16_TO_8_BIT(color.green) << 8 |
            COLOR_16_TO_8_BIT(color.blue);
  return NS_OK;
}

コード例 #2

ファイル: nsGNOMEShellService.cpp プロジェクト: TentaclePentacle/mozilla-central

NS_IMETHODIMP
nsGNOMEShellService::GetDesktopBackgroundColor(PRUint32 *aColor)
{
  nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);

  nsCAutoString background;
  if (gconf) {
    gconf->GetString(NS_LITERAL_CSTRING(kDesktopColorKey), background);
  }

  if (background.IsEmpty()) {
    *aColor = 0;
    return NS_OK;
  }

  GdkColor color;
  gboolean success = gdk_color_parse(background.get(), &color);

  NS_ENSURE_TRUE(success, NS_ERROR_FAILURE);

  *aColor = COLOR_16_TO_8_BIT(color.red) << 16 |
            COLOR_16_TO_8_BIT(color.green) << 8 |
            COLOR_16_TO_8_BIT(color.blue);
  return NS_OK;
}