public void WriteImageData(IPNMDataWriter dw, System.Drawing.Image im)
{
int i = 0;
//convert im to grey scale and write to output file
for (int y = 0; y < im.Height; y++)
{
for (int x = 0; x < im.Width; x++)
{
Color c = ((Bitmap)im).GetPixel(x, y);
int luma = (int)(c.R + c.G + c.B);
if (luma > 0)
{
dw.WriteByte((byte)1);
}
else
{
dw.WriteByte((byte)0);
}
i++;
//one line cannot contain more than 70 chars
if (i >= 34)
{
i = 0;
dw.WriteLine(string.Empty);
}
}
}
dw.Close();
}
public void WriteImageData(IPNMDataWriter dw, System.Drawing.Image im)
{
int i = 0;
//convert im to grey scale and write to output file
for (int y = 0; y < im.Height; y++)
{
for (int x = 0; x < im.Width; x++)
{
Color c = ((Bitmap)im).GetPixel(x, y);
int luma = (int)(c.R * 0.3 + c.G * 0.59 + c.B * 0.11);
dw.WriteByte((byte)luma);
i++;
//one line cannot contain more than 70 chars
if ((dw is ASCIIDataWriter) && i >= 17)
{
i = 0;
dw.WriteByte((byte)'\n');
}
}
}
dw.Close();
}
