/// <summary>
/// Read a pixel from the file. Assumes pixels will be read
/// by the caller consecutively from upper left to bottom
/// right a row at a time
/// </summary>
public void ReadPixel(IPixel pixel)
{
int bandCount = pixel.BandCount;
for (int bandNum = 0; bandNum < bandCount; bandNum++)
{
IPixelBand band = pixel[bandNum];
// calc this pixelband's location in file
int location = PixelBandLocation(pixelsRead, bandNum);
// seek to correct pixel spot
this.fileReader.BaseStream.Seek(location, SeekOrigin.Begin);
byte[] bytes = this.fileReader.ReadBytes(this.BandSize);
band.SetBytes(bytes, 0);
}
pixelsRead++;
}
/// <summary>
/// Read a pixel from the file. Assumes pixels will be read
/// by the caller consecutively from upper left to bottom
/// right a row at a time
/// </summary>
public void ReadPixel(IPixel pixel)
{
try
{
if ((fileReader == null) || (!this.open))
{
throw new System.ApplicationException("Raster not open for reading");
}
if (currPixel >= totalPixels)
{
throw new System.ApplicationException("Reading beyond end of pixel data");
}
int bandCount = pixel.BandCount;
for (int bandNum = 0; bandNum < bandCount; bandNum++)
{
IPixelBand band = pixel[bandNum];
// calc this pixelband's location in file
int location = PixelBandLocation(currPixel, bandNum);
// seek to correct pixel spot
this.fileReader.BaseStream.Seek(location, SeekOrigin.Begin);
byte[] bytes = this.fileReader.ReadBytes(bandSize);
band.SetBytes(bytes, 0);
}
currPixel++;
}
catch (System.Exception)
{
Close();
throw;
}
}
