/// <summary>
/// returns frame
/// </summary>
/// <param name="i">number of frame, starts from 0</param>
/// <returns></returns>
private IList <Color> GetElement(int i)
{
List <Color> retVal = new List <Color>(FrameLength);
int offset = headerLength + i * FrameLength * 3;
for (int j = 0; j < FrameLength; j++)
{
switch (format)
{
case Format.SD01A:
retVal.Add(Color.FromArgb(
ByteReverse.ReverseWithLookupTable(_data[offset + j * 3 + 1]),
ByteReverse.ReverseWithLookupTable(_data[offset + j * 3 + 2]),
ByteReverse.ReverseWithLookupTable(_data[offset + j * 3 + 0])
));
break;
case Format.SD01B:
retVal.Add(Color.FromArgb(
_data[offset + j * 3 + 1],
_data[offset + j * 3 + 2],
_data[offset + j * 3 + 0]
));
break;
}
}
return(retVal.AsReadOnly());
}
/// <summary>
/// sets color of one diode
/// </summary>
/// <param name="frame">frame number</param>
/// <param name="diode">diode number</param>
/// <param name="color">color to set</param>
public void SetDiodeColor(int frame, int diode, Color color)
{
if (frame < 0 || frame >= NumberOfFrames)
{
throw new IndexOutOfRangeException();
}
if (diode < 0 || diode >= FrameLength || diode >= diodeMax)
{
throw new IndexOutOfRangeException();
}
int offset = headerLength + frame * FrameLength * 3;
switch (format)
{
case Format.SD01A:
_data[offset + diode * 3 + 1] = ByteReverse.ReverseWithLookupTable((byte)color.R);
_data[offset + diode * 3 + 2] = ByteReverse.ReverseWithLookupTable((byte)color.G);
_data[offset + diode * 3 + 0] = ByteReverse.ReverseWithLookupTable((byte)color.B);
break;
case Format.SD01B:
_data[offset + diode * 3 + 1] = (byte)color.R;
_data[offset + diode * 3 + 2] = (byte)color.G;
_data[offset + diode * 3 + 0] = (byte)color.B;
break;
}
}
/// <summary>
/// Create new programm.
/// </summary>
/// <param name="frames">Number of frames</param>
/// <param name="fillColor">initial color</param>
/// <param name="frameLength">number of diodes in frame.</param>
public FileParser(int frames, Color fillColor, int frameLength = 1024, Format f = Format.SD01A)
{
format = f;
if (frames < 0 || frames > 65535)
{
throw new NotSupportedException("Frames parameter mest be not negative and greater than 65535");
}
var data = new byte[headerLength + frameLength * frames * 3];
data[0] = (byte)((frames & 0xFF00) >> 8);
data[1] = (byte)(frames & 0xFF);
switch (format)
{
case Format.SD01A:
data[2] = 0x68;
data[3] = 0x03;
data[4] = 0x06;
data[5] = 0x06;
break;
case Format.SD01B:
data[2] = 0x98;
data[3] = 0x13;
data[4] = 0x06;
data[5] = 0x14;
break;
}
for (int i = 6; i < headerLength; i++)
{
data[i] = 0x55;
}
for (int i = 0; i < frames * frameLength; i++)
{
Color color = (i % frameLength) < diodeMax ? fillColor : Color.Black;
switch (format)
{
case Format.SD01A:
data[headerLength + i * 3 + 1] = ByteReverse.ReverseWithLookupTable((byte)color.R);
data[headerLength + i * 3 + 2] = ByteReverse.ReverseWithLookupTable((byte)color.G);
data[headerLength + i * 3 + 0] = ByteReverse.ReverseWithLookupTable((byte)color.B);
break;
case Format.SD01B:
data[headerLength + i * 3 + 1] = (byte)color.R;
data[headerLength + i * 3 + 2] = (byte)color.G;
data[headerLength + i * 3 + 0] = (byte)color.B;
break;
}
}
InitFromData(data);
}
