[Raku PDF Project] / [PDF-Content Module] / PDF::Content :: Ops

class PDF::Content::Ops

A graphics machine for building and interpeting PDF Content operator streams

Description

The PDF::Content::Ops role implements methods and mnemonics for the full operator table, as defined in specification [PDF 1.7 Appendix A]:

head

Methods

method font-face

method font-face() returns PDF::COS::Dict

returns the current graphics font dictionary resource

method font-size

method font-size() returns Numeric

returns the current graphics font size

method tags

method tags() returns PDF::Content::Tag::NodeSet

returns the current tags status

multi method gsaves

multi method gsaves(
    :$delta! where { ... }
) returns Array

return graphics gsave stack, including changed variables only

multi method gsaves

multi method gsaves() returns Array

return graphics gsave stack, including all graphics variables

multi method graphics-state

multi method graphics-state(
    :$delta!
) returns Hash

return locally updated graphics state variables

multi method graphics-state

multi method graphics-state() returns Mu

return all current graphics state variables

method current-point

method current-point() returns List

return current point

This method returns the x,y position of current point in a path context, or an undefined list otherwise.

multi method op

multi method op(
    Pair $_ where { ... }
) returns Mu

process operator quarantined by PDF::Grammar::Content / PDF::Native::COS as either an unknown operator or having an incorrect argument list

multi method op

multi method op(
    *@args is copy
) returns Mu

Process a parsed graphics operation

multi method ops

multi method ops(
    Str $ops
) returns Array

Parse and process graphics operations

multi method ops

multi method ops(
    @ops
) returns Array

Parse and process a list of graphics operations

method add-comment

method add-comment(
    Str $_
) returns Mu

Add a comment to the content stream

multi sub parse-content

multi sub parse-content(
    Str $content where { ... }
) returns Mu

parse, but don't process PDF content operators

method finish

method finish() returns Mu

Finish a content stream

has Str $!content-cache

serialize content into a string. indent blocks for readability

method content-dump

method content-dump() returns Seq

serialized current content as a sequence of strings - for debugging/testing

method FALLBACK

method FALLBACK(
    $method,
    |c
) returns Mu

Treat operator mnemonics as methods