Module Pdfimage

module Pdfimage: sig .. end

Extract Images

type pixel_layout =

`\|`	`BPP1`
`\|`	`BPP8`
`\|`	`BPP24`
`\|`	`BPP48`

type t =

`\|`	`JPEG of Pdfio.bytes * float list option`
`\|`	`JPEG2000 of Pdfio.bytes * float list option`
`\|`	`JBIG2 of Pdfio.bytes * float list option * int option`
`\|`	`Raw of int * int * pixel_layout * Pdfio.bytes`

val get_image_24bpp : Pdf.t -> Pdf.pdfobject -> Pdf.pdfobject -> t

Given a pdf document, resources dictionary and a stream representing an image, return a triple : width, height, and a stream of (width * height * 3) bytes RGBRGB etc. In all instances, if JPEG or JPEG2000 or JBIG2 is the compression method, data is returned still encoded.

val colspace : Pdf.t -> Pdf.pdfobject -> Pdf.pdfobject -> Pdfspace.t

Given a PDF, an image and a /Resources dictionary, return the colourspace of the image

val bpc : Pdf.t -> Pdf.pdfobject -> Pdf.pdfobject option

Given a PDF and an image, return any /BPC entry