/// <inheritdoc />
public void Refresh(Rectangle rectangle, WaveformMode mode, DisplayTemp displayTemp, UpdateMode updateMode)
{
Framebuffer.ConstrainRectangle(ref rectangle);
var data = new FbUpdateData
{
UpdateRegion = new FbRect
{
X = (uint)rectangle.X,
Y = (uint)rectangle.Y,
Width = (uint)rectangle.Width,
Height = (uint)rectangle.Height
},
WaveformMode = mode,
DisplayTemp = displayTemp,
UpdateMode = updateMode,
UpdateMarker = _updateMarker,
DitherMode = 0,
QuantBit = 0,
Flags = 0
};
var retCode = DisplayIoctl.Ioctl(_handle, IoctlDisplayCommand.SendUpdate, ref data);
if (retCode == -1)
{
throw new UnixException();
}
_updateMarker = (uint)retCode;
}
/// <summary>
/// Writes variable device to the display
/// </summary>
/// <param name="vinfo">A populated <see cref="FbVarScreenInfo" /></param>
public void PutVarScreenInfo(FbVarScreenInfo vinfo)
{
if (DisplayIoctl.Ioctl(_handle, IoctlDisplayCommand.PutVariableScreenInfo, ref vinfo) == -1)
{
throw new UnixException();
}
}
/// <summary>
/// Reads variable device information from the display
/// </summary>
/// <returns>A populated <see cref="FbVarScreenInfo" /></returns>
public FbVarScreenInfo GetVarScreenInfo()
{
var vinfo = new FbVarScreenInfo();
if (DisplayIoctl.Ioctl(_handle, IoctlDisplayCommand.GetVariableScreenInfo, ref vinfo) == -1)
{
throw new UnixException();
}
return(vinfo);
}
/// <summary>
/// Reads fixed device information from the display
/// </summary>
/// <returns>A populated <see cref="FbFixedScreenInfo" /></returns>
public FbFixedScreenInfo GetFixedScreenInfo()
{
var finfo = new FbFixedScreenInfo();
if (DisplayIoctl.Ioctl(_handle, IoctlDisplayCommand.GetFixedScreenInfo, ref finfo) == -1)
{
throw new UnixException();
}
return(finfo);
}
