/// <summary>
/// updates the given Pixbuf object from the bitmap array
/// </summary>
/// updates the given image object from the bitmap array
public static Gdk.Pixbuf setBitmap(byte[] bmp, Gdk.Pixbuf pixbuffer)
{
if (pixbuffer != null)
{
Gdk.Pixdata pd = new Gdk.Pixdata();
// extract the raw data in uncompressed format
pd.FromPixbuf(pixbuffer, false);
byte[] pixel = pd.Serialize();
// set the pixel values
for (int i = 0; i < bmp.Length; i++)
{
pixel[pixdata_header + i] = (byte)bmp[i];
}
pd.Deserialize((uint)pixel.Length, pixel);
// return the pixel data as a Pixbuf object in compressed format
return(Gdk.Pixbuf.FromPixdata(pd, true));
}
else
{
EventLog.AddError("GtkBitmap/getBitmap/pixbuffer has not been initialised");
return(null);
}
}
/// <summary>
/// returns the bitmap data from a Pixbuf object
/// </summary>
public static void getBitmap(Gdk.Pixbuf pixbuffer, byte[] bmp)
{
if (pixbuffer != null)
{
if (bmp != null)
{
Gdk.Pixdata pd = new Gdk.Pixdata();
pd.FromPixbuf(pixbuffer, false);
byte[] pixel = pd.Serialize();
if (pd.Rowstride != pixbuffer.Width * 3)
{
// uneven stride length
long real_length = pd.Rowstride * pixbuffer.Height;
long n = 0;
long w = pixbuffer.Width * 3;
for (int y = 0; y < pixbuffer.Height; y++)
{
long n1 = (y * pixbuffer.Width) * 3;
for (int x = 0; x < pd.Rowstride; x++)
{
if (x < w)
{
bmp[n1] = pixel[n];
}
n++;
n1++;
}
}
}
else
{
for (int i = 0; i < bmp.Length; i++)
{
bmp[i] = pixel[pixdata_header + i];
}
}
pd.Deserialize((uint)pixel.Length, pixel);
}
else
{
EventLog.AddError("GtkBitmap/getBitmap/bmp not defined");
}
}
else
{
EventLog.AddError("GtkBitmap/getBitmap/pixbuffer has not been initialised");
}
}
