% Impose can 'draw' graphics on the output pages, script controlled
% The variable "pagenum" is set to the current page number during processing

% Copy this file to the 'controls' folder in the PStill base directory
% and 'logo1.pdf' to the base directory.

% PStill 1.72.16 or newer needed to run execPDFFile()

define ps_do_showpage(pagenum) {

	% startGFX must be called before the first commands are used

	startGFX();


	% if you want a transparent 'Stamp' set transparency here, be sure not
	% to produce with overprint takeover 'on' or pdf/x, both will disable
	% transparency in colorstates in the output
	
	% in this example the following PDF logo is drawn with 50% transparency when you uncomment the next line
	
	% execPSCode("0.5 pst_setopacity");
	
	% Be sure NOT to define overprinting takeover as this optionturns off transparency takeover


	% Now draw the PDF on top of the page
	% The current path at this point here is the GPStill base directory, define
	% the full path to the PDF or copy it in the base directory:
	
	% execPDFFile("path/to/pdffile.pdf", pagenum_for_pdf, xpos, ypos, scale, rotation_in_degrees);
	
	execPDFFile("logo1.pdf", 1, 400, 400, 1.0, 0);


	% startGFX must be called at the end
	
	endGFX();

}