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Return readonly IList<> instead of copying arrays of data.

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the_fiddler 2009-10-28 00:39:38 +00:00
parent aec4b2feda
commit 6e222ebaa0
1 changed files with 16 additions and 25 deletions
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41
Source/OpenTK/DisplayDevice.cs
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@ -30,13 +30,14 @@ namespace OpenTK
#region --- Fields --- #region --- Fields ---
DisplayResolution current_resolution, original_resolution; DisplayResolution current_resolution, original_resolution;
List<DisplayResolution> available_resolutions = new List<DisplayResolution>(); readonly List<DisplayResolution> available_resolutions = new List<DisplayResolution>();
readonly IList<DisplayResolution> available_resolutions_readonly;
bool primary; bool primary;
static List<DisplayDevice> available_displays = new List<DisplayDevice>(); static readonly List<DisplayDevice> available_displays = new List<DisplayDevice>();
static object display_lock = new object(); static readonly IList<DisplayDevice> available_displays_readonly;
static readonly object display_lock = new object();
static DisplayDevice primary_display; static DisplayDevice primary_display;
//static FadeEffect effect = new FadeEffect();
static Platform.IDisplayDeviceDriver implementation; static Platform.IDisplayDeviceDriver implementation;
@ -47,6 +48,7 @@ namespace OpenTK
static DisplayDevice() static DisplayDevice()
{ {
implementation = Platform.Factory.Default.CreateDisplayDeviceDriver(); implementation = Platform.Factory.Default.CreateDisplayDeviceDriver();
available_displays_readonly = available_displays.AsReadOnly();
} }
internal DisplayDevice(DisplayResolution currentResolution, bool primary, internal DisplayDevice(DisplayResolution currentResolution, bool primary,
@ -65,6 +67,8 @@ namespace OpenTK
if (primary) if (primary)
primary_display = this; primary_display = this;
} }
available_resolutions_readonly = available_resolutions.AsReadOnly();
} }
#endregion #endregion
@ -155,21 +159,14 @@ namespace OpenTK
#endregion #endregion
#region public DisplayResolution[] AvailableResolutions #region public IList<DisplayResolution> AvailableResolutions
/// <summary> /// <summary>
/// Gets an array of OpenTK.DisplayResolution objects, which describe all available resolutions /// Gets the list of <see cref="DisplayResolution"/> objects available on this device.
/// for this device.
/// </summary> /// </summary>
public DisplayResolution[] AvailableResolutions public IList<DisplayResolution> AvailableResolutions
{ {
get get { return available_resolutions_readonly; }
{
lock (display_lock)
{
return available_resolutions.ToArray();
}
}
} }
#endregion #endregion
@ -242,20 +239,14 @@ namespace OpenTK
#endregion #endregion
#region public static DisplayDevice[] AvailableDisplays #region public static IList<DisplayDevice> AvailableDisplays
/// <summary> /// <summary>
/// Gets an array of OpenTK.DisplayDevice objects, which describe all available display devices. /// Gets the list of available <see cref="DisplayDevice"/> objects.
/// </summary> /// </summary>
public static DisplayDevice[] AvailableDisplays public static IList<DisplayDevice> AvailableDisplays
{ {
get get { return available_displays_readonly; }
{
lock (display_lock)
{
return available_displays.ToArray();
}
}
} }
#endregion #endregion