filter

package

v0.1.12 Latest Latest Go to latest Published: May 22, 2018 License: MIT Imports: 9 Imported by: 0

Details

Package filter contains PDF filter implementations.

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var (

	// ErrUnsupportedFilter signals an unsupported filter type.
	ErrUnsupportedFilter = errors.New("Filter not supported")
)

func List() []string

List return the list of all supported PDF filters.

type Filter interface {
	Encode(r io.Reader) (*bytes.Buffer, error)
	Decode(r io.Reader) (*bytes.Buffer, error)
}

Filter defines an interface for encoding/decoding buffers.

func NewFilter(filterName string, parms map[string]int) (filter Filter, err error)

NewFilter returns a filter for given filterName and an optional parameter dictionary.