public static HandleRef getCPtrAndSetReference(ColorTable obj, object parent) {
if (obj != null)
{
obj.swigParentRef = parent;
return obj.swigCPtr;
}
else
{
return new HandleRef(null, IntPtr.Zero);
}
}
public static HandleRef getCPtrAndDisown(ColorTable obj, object parent) {
if (obj != null)
{
obj.swigCMemOwn = false;
obj.swigParentRef = parent;
return obj.swigCPtr;
}
else
{
return new HandleRef(null, IntPtr.Zero);
}
}
public static HandleRef getCPtr(ColorTable obj) {
return (obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr;
}
public int SetRasterColorTable(ColorTable arg)
{
int ret = GdalPINVOKE.Band_SetRasterColorTable(swigCPtr, ColorTable.getCPtr(arg));
if (GdalPINVOKE.SWIGPendingException.Pending) throw GdalPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
public static int ComputeMedianCutPCT(Band red, Band green, Band blue, int num_colors, ColorTable colors, Gdal.GDALProgressFuncDelegate callback, string callback_data)
{
int ret = GdalPINVOKE.ComputeMedianCutPCT(Band.getCPtr(red), Band.getCPtr(green), Band.getCPtr(blue), num_colors, ColorTable.getCPtr(colors), callback, callback_data);
if (GdalPINVOKE.SWIGPendingException.Pending) throw GdalPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
public static int DitherRGB2PCT(Band red, Band green, Band blue, Band target, ColorTable colors, Gdal.GDALProgressFuncDelegate callback, string callback_data)
{
int ret = GdalPINVOKE.DitherRGB2PCT(Band.getCPtr(red), Band.getCPtr(green), Band.getCPtr(blue), Band.getCPtr(target), ColorTable.getCPtr(colors), callback, callback_data);
if (GdalPINVOKE.SWIGPendingException.Pending) throw GdalPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
public static void Main(string[] args)
{
if (args.Length != 2) usage();
string file = args[0];
string file_out = args[1];
try {
/* -------------------------------------------------------------------- */
/* Register driver(s). */
/* -------------------------------------------------------------------- */
Gdal.AllRegister();
Driver dv = null;
Dataset ds = null, ds_out = null;
Band ba = null, ba_out = null;
ColorTable ct = null, ct_out = null;
byte [] buffer;
/* -------------------------------------------------------------------- */
/* Open dataset. */
/* -------------------------------------------------------------------- */
ds = Gdal.Open(file, Access.GA_ReadOnly);
ba = ds.GetRasterBand(1);
ct = ba.GetRasterColorTable();
if( ct != null )
Console.WriteLine( "Band has a color table with " + ct.GetCount() + " entries.");
else
{
Console.WriteLine( "Data source has no color table");
return;
}
buffer = new byte [ds.RasterXSize * ds.RasterYSize];
ba.ReadRaster(0, 0, ds.RasterXSize, ds.RasterYSize, buffer,
ds.RasterXSize, ds.RasterYSize, 0, 0);
/* -------------------------------------------------------------------- */
/* Get driver */
/* -------------------------------------------------------------------- */
dv = Gdal.GetDriverByName("GTiff");
ds_out = dv.Create(file_out, ds.RasterXSize, ds.RasterYSize,
ds.RasterCount, ba.DataType, new string [] {});
ba_out = ds_out.GetRasterBand(1);
ct_out = new ColorTable(PaletteInterp.GPI_RGB);
ba_out.WriteRaster(0, 0, ds.RasterXSize, ds.RasterYSize, buffer,
ds.RasterXSize, ds.RasterYSize, 0, 0);
/* -------------------------------------------------------------------- */
/* Copying the colortable */
/* -------------------------------------------------------------------- */
for (int i = 0; i < ct.GetCount(); i++)
{
ColorEntry ce = null, ce_out = null;
ce = ct.GetColorEntry(i);
ce_out = new ColorEntry();
ce_out.c1 = ce.c1;
ce_out.c2 = ce.c2;
ce_out.c3 = ce.c3;
ce_out.c4 = ce.c4;
ct_out.SetColorEntry(i, ce_out);
ce.Dispose();
ce_out.Dispose();
}
ba_out.SetRasterColorTable(ct_out);
}
catch (Exception e)
{
Console.WriteLine("Application error: " + e.Message);
}
}