public ColorTransform ReadColorTransformWithAlpha()
{
this.Align8();
bool hasAdd = this.ReadBit();
bool hasMult = this.ReadBit();
HDRColor add = null;
HDRColor mult = null;
int numBits = (int)this.ReadUBits(4);
if (hasMult)
{
int reds = this.ReadSBits(numBits);
mult = new HDRColor(reds, this.ReadSBits(numBits), this.ReadSBits(numBits), this.ReadSBits(numBits));
}
if (hasAdd)
{
add = new HDRColor(this.ReadSBits(numBits), this.ReadSBits(numBits), this.ReadSBits(numBits), this.ReadSBits(numBits));
}
return(new ColorTransform(add, mult));
}
public void WriteColorTransform(ColorTransform cxform, bool withAlpha)
{
this.Align8();
this.WriteBit(cxform.HasAdd);
this.WriteBit(cxform.HasMult);
int numBits = 10; /* 10-bits for 9-bit 1.00 fixed 8.8 signed value */
this.WriteUBits(10, 4);
if (cxform.HasMult)
{
HDRColor m = cxform.Mult;
this.WriteColorComponent((int)m.Red, numBits);
this.WriteColorComponent((int)m.Green, numBits);
this.WriteColorComponent((int)m.Blue, numBits);
if (withAlpha)
{
this.WriteColorComponent((int)m.Alpha, numBits);
}
}
if (cxform.HasAdd)
{
HDRColor a = cxform.Add;
this.WriteColorComponent((int)a.Red, numBits);
this.WriteColorComponent((int)a.Green, numBits);
this.WriteColorComponent((int)a.Blue, numBits);
if (withAlpha)
{
this.WriteColorComponent((int)a.Alpha, numBits);
}
}
}
/// <summary>
/// Initializes a new instance of the ColorTransform class.
/// </summary>
/// <param name="add">A colour to be added. May be null</param>
/// <param name="mult">A colour to be multiplied. May be null</param>
public ColorTransform(HDRColor add, HDRColor mult)
{
this.Add = add;
this.Mult = mult;
}
/// <summary>
/// Initializes a new instance of the ColorTransform class.
/// </summary>
/// <param name="add">A colour to be added. May be null</param>
/// <param name="mult">A colour to be multiplied. May be null</param>
public ColorTransform(HDRColor add, HDRColor mult)
{
this.Add = add;
this.Mult = mult;
}
