EVP Toolbox

	imshow - calling imdraw (Windows). Popup a window to show image ( Linux ).

Calling Sequence
	imshow(im)
	
Parameters w
    * im: MxNx3, a color (0-255 range) image.

Description
	This function is a simple wrap of imdraw.

Implement

function imshow(im) 
	[h,w,c]=size(im);
	if MSDOS then
		imdraw (im, 0, 0, 0, w, h );
	else
		TCL_EvalStr( 'toplevel .imdraw_window' );
		TCL_EvalStr( 'global imdraw_window_id' );
		TCL_EvalStr( 'set imdraw_window_id  [winfo id .imdraw_window] ');
		TCL_EvalStr( 'wm geometry .imdraw_window ' + string(w) +' '+ string(h) );
		ID = TCL_GetVar( 'imdraw_window_id' );
		imdraw ( im, ID, 0,0,0,0 );
	end;