Pdf.Toolbox.Core.Writer

Write PDF files

It could be used to generate new PDF file or to incrementally update the existent one

To generate new file, first call writePdfHeader, then a number of writeObject and finally writeXRefTable

To incrementally update PDF file just ommit the writePdfHeader and append the result to the existent file

Documentation

data PdfWriter m a

The monad

Instances

MonadTrans PdfWriter

Monad m => Monad (PdfWriter m)

MonadIO m => MonadIO (PdfWriter m)

runPdfWriter

Arguments

:: MonadIO m

=> OutputStream ByteString

streams to write to

-> PdfWriter m a

action to run

-> m a

Execute writer action

writePdfHeader :: MonadIO m => PdfWriter m ()

Write PDF header. Used for generating new PDF files. Should be the first call. Not used fo incremental updates

writeObject :: MonadIO m => Ref -> Object ByteString -> PdfWriter m ()

Write object

deleteObject :: MonadIO m => Ref -> Int64 -> PdfWriter m ()

Delete object

writeXRefTable

Arguments

:: MonadIO m

=> Int64

size of the original PDF file. Should be 0 for new file

-> Dict

trailer

-> PdfWriter m ()

Write xref table. Should be the last call. Used for generating and incremental updates.