The pdf_open_tiff() function opens an image stored in the file with the name filename. The format of the image has to be tiff. The function returns a pdf image identifier.
Note: This function shouldn't be used anymore. Please use the function pdf_open_image_file() instead.
See also pdf_close_image(), pdf_open_gif(), pdf_open_jpeg(), pdf_open_png(), pdf_open_memory_image(), pdf_execute_image(), pdf_place_image(), pdf_put_image().