/// <summary>
/// Creates a new <see cref="HardwareDisplayDriver" />
/// </summary>
/// <param name="devicePath">The device handle location</param>
public HardwareDisplayDriver(string devicePath)
{
DevicePath = devicePath;
_handle = NativeUnixStreamMethods.Open(DevicePath, 0, UnixFileMode.WriteOnly);
var vinfo = GetVarScreenInfo();
VisibleWidth = (int)vinfo.VisibleResolutionX;
VisibleHeight = (int)vinfo.VisibleResolutionY;
VirtualWidth = (int)vinfo.VirtualResolutionX;
VirtualHeight = (int)vinfo.VirtualResolutionY;
Framebuffer = new HardwareFramebuffer(devicePath, VisibleWidth, VisibleHeight, VirtualWidth, VirtualHeight);
vinfo.AccelFlags = 0x01;
vinfo.Width = 0xFFFFFFFF;
vinfo.Height = 0xFFFFFFFF;
vinfo.Rotate = 1;
vinfo.PixClock = 160000000;
vinfo.VisibleResolutionX = 1872;
vinfo.VisibleResolutionY = 1404;
vinfo.LeftMargin = 32;
vinfo.RightMargin = 326;
vinfo.UpperMargin = 4;
vinfo.LowerMargin = 12;
vinfo.HSyncLen = 44;
vinfo.VSyncLen = 1;
vinfo.Sync = FbSync.None;
vinfo.VMode = FbVMode.NonInterlaced;
vinfo.BitsPerPixel = sizeof(short) * 8;
PutVarScreenInfo(vinfo);
}
/// <summary>
/// Creates a new <see cref="Rgb565FramebufferDecoder" />
/// </summary>
/// <param name="framebuffer">The hardware framebuffer to read data from</param>
/// <param name="area">The rectangular area to read from the framebuffer</param>
public Rgb565FramebufferDecoder(HardwareFramebuffer framebuffer, Rectangle area)
{
_framebuffer = framebuffer;
_area = area;
}
/// <summary>
/// Creates a new <see cref="Rgb565FramebufferEncoder" />
/// </summary>
/// <param name="framebuffer">The hardware framebuffer to write data to</param>
/// <param name="srcArea">The area of the source image to encode</param>
/// <param name="destPoint">The location to place the top-leftmost corner of the source area on the destination framebuffer</param>
public Rgb565FramebufferEncoder(HardwareFramebuffer framebuffer, Rectangle srcArea, Point destPoint)
{
_framebuffer = framebuffer;
_srcArea = srcArea;
_destPoint = destPoint;
}