(PHP 3 >= 3.0.8, PHP 4, PHP 5 <= 5.0.4)
cpdf_set_text_rendering -- Determines how text is rendered
Description
bool 
cpdf_set_text_rendering ( int pdf_document, int rendermode )
     The cpdf_set_text_rendering() function
     determines how text is rendered. 如果成功则返回 TRUE,失败则返回 FALSE。
    
     The possible values for rendermode are 0=fill
     text, 1=stroke text, 2=fill and stroke text, 3=invisible, 4=fill
     text and add it to clipping path, 5=stroke text and add it to
     clipping path, 6=fill and stroke text and add it to clipping
     path, 7=add it to clipping path.