private void ReadColorsInRunLengthListMode(int localColorPrecision, IBinaryReader reader)
{
var nColor = Nx * Ny;
Colors = new CgmColor[nColor];
// run length list mode
var c = 0;
while (c < nColor)
{
var numColors = reader.ReadInt();
var color = reader.ReadColor(localColorPrecision);
// don't directly fill the array with numColors in case we
// encounter a erroneous CGM file, e.g. SCHEMA03.CGM that
// returns an incorrect number of colors; only fill at most
// the number of colors left in the array
var maxIndex = System.Math.Min(numColors, nColor - c);
for (var i = 0; i < maxIndex; i++)
{
Colors[c++] = color;
}
if (c > 0 && c % Nx == 0)
{
// align on word at the end of a line
reader.AlignOnWord();
}
}
}
private void ReadColorsInPackedListMode(int localColorPrecision, IBinaryReader reader)
{
Colors = new CgmColor[Nx * Ny];
// packed list mode
var i = 0;
for (var row = 0; row < Ny; row++)
{
for (var col = 0; col < Nx; col++)
{
Colors[i++] = reader.ReadColor(localColorPrecision);
}
// align on word
reader.AlignOnWord();
}
}
