public void CreateColorRamp(int nStartIndex, ColorEntry startcolor, int nEndIndex, ColorEntry endcolor)
{
GdalPINVOKE.ColorTable_CreateColorRamp(swigCPtr, nStartIndex, ColorEntry.getCPtr(startcolor), nEndIndex, ColorEntry.getCPtr(endcolor));
if (GdalPINVOKE.SWIGPendingException.Pending)
{
throw GdalPINVOKE.SWIGPendingException.Retrieve();
}
}
public void SetColorEntry(int entry, ColorEntry centry)
{
GdalPINVOKE.ColorTable_SetColorEntry(swigCPtr, entry, ColorEntry.getCPtr(centry));
if (GdalPINVOKE.SWIGPendingException.Pending)
{
throw GdalPINVOKE.SWIGPendingException.Retrieve();
}
}
public int GetColorEntryAsRGB(int entry, ColorEntry centry)
{
int ret = GdalPINVOKE.ColorTable_GetColorEntryAsRGB(swigCPtr, entry, ColorEntry.getCPtr(centry));
if (GdalPINVOKE.SWIGPendingException.Pending)
{
throw GdalPINVOKE.SWIGPendingException.Retrieve();
}
return(ret);
}
public ColorEntry GetColorEntry(int entry)
{
IntPtr cPtr = GdalPINVOKE.ColorTable_GetColorEntry(swigCPtr, entry);
ColorEntry ret = (cPtr == IntPtr.Zero) ? null : new ColorEntry(cPtr, false, ThisOwn_false());
if (GdalPINVOKE.SWIGPendingException.Pending)
{
throw GdalPINVOKE.SWIGPendingException.Retrieve();
}
return(ret);
}
public static HandleRef getCPtrAndSetReference(ColorEntry obj, object parent) {
if (obj != null)
{
obj.swigParentRef = parent;
return obj.swigCPtr;
}
else
{
return new HandleRef(null, IntPtr.Zero);
}
}
public static HandleRef getCPtrAndSetReference(ColorEntry obj, object parent)
{
if (obj != null)
{
obj.swigParentRef = parent;
return(obj.swigCPtr);
}
else
{
return(new HandleRef(null, IntPtr.Zero));
}
}
public static HandleRef getCPtrAndDisown(ColorEntry 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 getCPtrAndDisown(ColorEntry 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(ColorEntry obj)
{
return((obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr);
}
/// <summary>
/// This should update the palette cached and in the file.
/// </summary>
/// <param name="value"></param>
public override void SetColorPalette(IEnumerable<Color> value)
{
ColorPalette = value;
_dataset = Gdal.Open(Filename, Access.GA_Update);
ColorTable ct = new ColorTable(PaletteInterp.GPI_RGB);
int index = 0;
foreach (Color c in value)
{
ColorEntry ce = new ColorEntry();
ce.c4 = c.A;
ce.c3 = c.B;
ce.c2 = c.G;
ce.c1 = c.R;
ct.SetColorEntry(index, ce);
index++;
}
using (Band first = _dataset.GetRasterBand(1))
{
first.SetRasterColorTable(ct);
}
}
public void CreateColorRamp(int nStartIndex, ColorEntry startcolor, int nEndIndex, ColorEntry endcolor) {
GdalPINVOKE.ColorTable_CreateColorRamp(swigCPtr, nStartIndex, ColorEntry.getCPtr(startcolor), nEndIndex, ColorEntry.getCPtr(endcolor));
if (GdalPINVOKE.SWIGPendingException.Pending) throw GdalPINVOKE.SWIGPendingException.Retrieve();
}
public void SetColorEntry(int entry, ColorEntry centry) {
GdalPINVOKE.ColorTable_SetColorEntry(swigCPtr, entry, ColorEntry.getCPtr(centry));
if (GdalPINVOKE.SWIGPendingException.Pending) throw GdalPINVOKE.SWIGPendingException.Retrieve();
}
public int GetColorEntryAsRGB(int entry, ColorEntry centry) {
int ret = GdalPINVOKE.ColorTable_GetColorEntryAsRGB(swigCPtr, entry, ColorEntry.getCPtr(centry));
if (GdalPINVOKE.SWIGPendingException.Pending) throw GdalPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
public static HandleRef getCPtr(ColorEntry obj) {
return (obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr;
}
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);
}
}
