// ###############################################################################
// ### M E T H O D S
// ###############################################################################
#region Methods
/// <summary>Get the image as System.Drawing.Bitmap.</summary>
/// <returns>The image as bitmap on success, or null otherwise.<see cref="System.Drawing.Bitmap"/></returns>
public System.Drawing.Bitmap GetBitmap()
{
if (_imageSurface == null || _imageSurface.Drawable == IntPtr.Zero)
{
return(null);
}
IntPtr image = X11lib.XGetImage(_imageSurface.Display, _imageSurface.Drawable,
0, 0, (X11.TUint)_size.Width, (X11.TUint)_size.Height,
(X11.TUlong)(UInt32.MaxValue), (X11.TInt) 2);
if (image == IntPtr.Zero)
{
return(null);
}
System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(_size.Width, _size.Height);
System.Drawing.Color color = System.Drawing.Color.Black;
for (int scanLine = 0; scanLine < _size.Height; scanLine++)
{
for (int scanCol = 0; scanCol < _size.Width; scanCol++)
{
X11.TPixel pixel = X11lib.XGetPixel(image, (X11.TInt)scanCol, (X11.TInt)scanLine);
if (_imageSurface.Depth >= 24)
{
color = System.Drawing.Color.FromArgb((int)pixel);
}
else
{
color = System.Drawing.Color.FromArgb(_imageSurface.RgbForColor(pixel));
}
bmp.SetPixel(scanCol, scanLine, color);
}
}
X11lib.XDestroyImage(image);
return(bmp);
}
// ###############################################################################
// ### D E S T R U C T I O N
// ###############################################################################
#region Destruction
/// <summary> IDisposable implementation. </summary>
public void Dispose()
{
// Console.WriteLine (CLASS_NAME + "::Dispose ()");
if (_graphicXImage != IntPtr.Zero)
{
// Note: The destroy procedure (_XImage.f.destroy_image), that this macro calls,
// frees both - the image structure and the data pointed to by the image structure.
X11lib.XDestroyImage(_graphicXImage);
_graphicXImage = IntPtr.Zero;
}
if (_transpXImage != IntPtr.Zero)
{
// Note: The destroy procedure (_XImage.f.destroy_image), that this macro calls,
// frees both - the image structure and the data pointed to by the image structure.
X11lib.XDestroyImage(_transpXImage);
_transpXImage = IntPtr.Zero;
}
if (_transpXPixmap != IntPtr.Zero)
{
X11lib.XFreePixmap(_display, _transpXPixmap);
_transpXPixmap = IntPtr.Zero;
}
}
