Outputs the string text at the given position.
Note: The function cpdf_show_xy() is identical to cpdf_text() without the optional parameters.
pdf_documentThe document handle, returned by cpdf_open().
textThe text
x_coorThe x-coordinate of the text position
y_coorThe y-coordinate of the text position
modeThe optional parameter mode
determines the unit length. If it is 0 or omitted the default unit as specified
for the page is used. Otherwise the coordinates are measured in postscript
points disregarding the current unit.