Ho un file PDF e voglio applicare una filigrana come la seguente su tutte le pagine ea 45 gradi:
watermark watermark watermark watermark watermark watermark watermark
watermark watermark watermark watermark watermark watermark watermark
watermark watermark watermark watermark watermark watermark watermark
watermark watermark watermark watermark watermark watermark watermark
watermark watermark watermark watermark watermark watermark watermark
watermark watermark watermark watermark watermark watermark watermark
........................
Come posso fare questo?