一个强大的图片转换库格式包括*.bmp *.gif *.jpg *.jpeg *.png *.ico *.tif *.tiff *.tga *.pcx *.wbmp *.wmf *.emf *.j2k *.jp2 *.jbg *.j2c *.jpc *.pgx *.pnm *.pgm *.ppm *.ras-a powerful images for conversion include *. bmp format *. gif *. jpg *. jpeg *. png *. ico *. t