public VBEScreen() : base()
{
Global.mDebugger.SendInternal($"Creating new VBEScreen() with default mode {defaultGraphicMode}");
// We don't need to add a Control for defaultGraphicMode we assume it to be always a valid mode
VBEDriver = new VBEDriver((ushort)defaultGraphicMode.Columns, (ushort)defaultGraphicMode.Rows, (ushort)defaultGraphicMode.ColorDepth);
}
public VBEScreen(Mode mode) : base(mode)
{
Global.mDebugger.SendInternal($"Creating new VBEScreen() with mode {mode.Columns}x{mode.Rows}x{(uint)mode.ColorDepth}");
ThrowIfModeIsNotValid(mode);
VBEDriver = new VBEDriver((ushort)mode.Columns, (ushort)mode.Rows, (ushort)mode.ColorDepth);
}
public VBECanvas(Mode aMode)
{
Global.mDebugger.SendInternal($"Creating new VBEScreen() with mode {aMode.Columns}x{aMode.Rows}x{(uint)aMode.ColorDepth}");
ThrowIfModeIsNotValid(aMode);
_VBEDriver = new VBEDriver((ushort)aMode.Columns, (ushort)aMode.Rows, (ushort)aMode.ColorDepth);
Mode = aMode;
}
/// <summary>
/// Create new instance of the <see cref="VBEScreen"/> class.
/// </summary>
/// <param name="mode">VBE mode.</param>
/// <exception cref="ArgumentOutOfRangeException">Thrown if mode is not suppoted.</exception>
public VBECanvas(Mode aMode)
{
Global.mDebugger.SendInternal($"Creating new VBEScreen() with mode {aMode.Columns}x{aMode.Rows}x{(uint)aMode.ColorDepth}");
if (Core.VBE.IsAvailable())
{
Core.VBE.ModeInfo ModeInfo = Core.VBE.getModeInfo();
aMode = new Mode(ModeInfo.width, ModeInfo.height, (ColorDepth)ModeInfo.bpp);
Global.mDebugger.SendInternal($"Detected VBE VESA with {aMode.Columns}x{aMode.Rows}x{(uint)aMode.ColorDepth}");
}
ThrowIfModeIsNotValid(aMode);
_VBEDriver = new VBEDriver((ushort)aMode.Columns, (ushort)aMode.Rows, (ushort)aMode.ColorDepth);
Mode = aMode;
}
/// <summary>
/// Checks whether the Bochs Graphics Adapter exists (not limited to Bochs)
/// </summary>
/// <returns></returns>
public static bool BGAExists()
{
return(VBEDriver.ISAModeAvailable());
}
