/// <summary>
/// Initializes a new instance of the OpenGLUltravioletDisplay class.
/// </summary>
/// <param name="displayIndex">The SDL2 display index that this object represents.</param>
public OpenGLUltravioletDisplay(Int32 displayIndex)
{
this.displayIndex = displayIndex;
this.displayModes = Enumerable.Range(0, SDL.GetNumDisplayModes(displayIndex))
.Select(modeIndex => CreateDisplayModeFromSDL(displayIndex, modeIndex))
.ToList();
this.name = SDL.GetDisplayName(displayIndex);
SDL_DisplayMode sdlDesktopDisplayMode;
if (SDL.GetDesktopDisplayMode(displayIndex, &sdlDesktopDisplayMode) < 0)
throw new SDL2Exception();
this.desktopDisplayMode = CreateDisplayModeFromSDL(sdlDesktopDisplayMode);
this.screenRotationService = ScreenRotationService.Create(this);
this.screenDensityService = ScreenDensityService.Create(this);
}
/// <summary>
/// Determines whether the specified display mode is equivalent to this display mode by comparing
/// their vertical and horizontal resolutions, as well as optionally comparing their bit depths
/// and refresh rates.
/// </summary>
/// <param name="other">The <see cref="DisplayMode"/> instance to compare to this instance.</param>
/// <param name="considerBitsPerPixel">A value indicating whether to compare the bit depths of the two display modes.</param>
/// <param name="considerRefreshRate">A value indicating whether to compare the refresh rates of the two display modes.</param>
/// <param name="considerDisplay">A value indicating whether to compare the preferred displays of the two display modes.</param>
/// <returns><see langword="true"/> if the two display modes are equivalent; otherwise, <see langword="false"/>.</returns>
public Boolean IsEquivalentTo(DisplayMode other,
Boolean considerBitsPerPixel = true,
Boolean considerRefreshRate = true,
Boolean considerDisplay = false)
{
if (other == null)
return false;
if (other == this)
return true;
if (other.Width != Width || other.Height != Height)
return false;
if (considerBitsPerPixel && other.BitsPerPixel != BitsPerPixel)
return false;
if (considerRefreshRate && other.RefreshRate != RefreshRate)
return false;
if (considerDisplay && other.DisplayIndex != DisplayIndex)
return false;
return true;
}
