public bool Load(string url)
{
if (!File.Exists(Path.Combine(Application.ResourceUrl, url)))
{
Console.Write("Image file not found:");
Console.Write(Path.Combine(Application.ResourceUrl, url));
return(false);
}
if (mUrl == Path.Combine(Application.ResourceUrl, url))
{
return(true);
}
mUrl = Path.Combine(Application.ResourceUrl, url);
var data = new byte[8];
File.OpenRead(mUrl).Read(data, 0, 8);
var height = XpBitConverter.ToInt32(data, 0);
var width = XpBitConverter.ToInt32(data, 4);
Resize(width, height);
return(true);
}
private void LoadImage()
{
try
{
if (!File.Exists(Path.Combine(Application.ResourceUrl, mUrl)))
{
Console.Write("Image file not found:");
Console.Write(Path.Combine(Application.ResourceUrl, mUrl));
return;
}
var data = File.ReadAllBytes(mUrl);
var height = XpBitConverter.ToInt32(data, 0);
var width = XpBitConverter.ToInt32(data, 4);
var size = data.Length - 8;
var raw = Marshal.AllocHGlobal(size);
Marshal.Copy(data, 8, raw, size);
//mCache = VG.vgCreateImage(PixelFormat, Width, Height, VGImageQuality.VG_IMAGE_QUALITY_BETTER);
//VG.vgImageSubData(mCache, raw, 4 * Width, PixelFormat, 0, 0, Width, Height);
VG.vgWritePixels(raw, 4 * width, VGImageFormat.VG_sBGRA_8888, 0, 0, width, height);
//VG.vgWritePixels(raw, 4*width, PixelFormat, 0, 0, width, height);
Marshal.FreeHGlobal(raw);
}
catch (Exception ex)
{
Debug.Print(ex.ToString());
}
}
public void Save()
{
if (mData == null)
{
return;
}
if (mData.Length == 0)
{
return;
}
var bytes = XpBitConverter.GetBytes(mData);
Data = Convert.ToBase64String(bytes, 0, bytes.Length);
}
public ushort[] GetAsModbus()
{
switch (Type)
{
case SignalType.Bool:
return(new[] { (ushort)(Signal.IsSet ? Mask : 0) });
case SignalType.Ushort:
return(new[] { (ushort)Signal.Value });
//case SignalType.Uint:
// return XpBitConverter.GetUint16(BitConverter.GetBytes((uint)Signal.Value));
case SignalType.Float:
return(XpBitConverter.GetUint16(BitConverter.GetBytes(Signal.Value)));
}
return(null);
}
static public InputEvent ParseEvent(byte[] aData)
{
if (aData.Length != 16)
{
return(null);
}
return(new InputEvent
{
time =
{
seconds = XpBitConverter.ToUint32(aData, 0),
microseconds = XpBitConverter.ToUint32(aData, 4)
},
type = (EventTypes)XpBitConverter.ToUint16(aData, 8),
code = (CodeTypes)XpBitConverter.ToUint16(aData, 10),
value = XpBitConverter.ToInt32(aData, 12)
});
}
public ushort[] Restore()
{
return(mData ?? XpBitConverter.GetUint16(Convert.FromBase64String(Data)));
}
