Imports github.com/hhrutter/pdfcpu/pkg/filter github.com/hhrutter/pdfcpu/pkg/log github.com/pkg/errors github.com/hhrutter/pdfcpu/pkg/pdfcpu/fonts/metrics github.com/hhrutter/pdfcpu/pkg/types github.com/hhrutter/pdfcpu/tiff Standard library imports bufio bytes crypto/aes crypto/cipher crypto/md5 crypto/rand crypto/rc4 encoding/binary encoding/hex fmt image image/jpeg image/png io io/ioutil math os path path/filepath sort strconv strings time unicode/utf16 unicode/utf8 image/color unicode