lib/origami/pdf.rb in origami-1.2.5 vs lib/origami/pdf.rb in origami-1.2.6

@@ -63,79 +63,10 @@
 
 require 'origami/parsers/pdf'
 
 module Origami
 
-  VERSION   = "1.2.5"
-  REVISION  = "$Revision: rev 167/, 2013/01/28 11:59:28 $" #:nodoc:
-  
-  #
-  # Global options for Origami.
-  #
-  OPTIONS   = 
-  {
-    :enable_type_checking => true,  # set to false to disable type consistency checks during compilation.
-    :enable_type_guessing => true,  # set to false to prevent the parser to guess the type of special dictionary and streams (not recommended).
-    :use_openssl => true            # set to false to use Origami crypto backend.
-  }
-  
-  begin
-    require 'openssl'
-    OPTIONS[:use_openssl] = true
-  rescue LoadError
-    OPTIONS[:use_openssl] = false
-  end
-
-  DICT_SPECIAL_TYPES = #:nodoc:
-  { 
-    :Catalog => Catalog, 
-    :Pages => PageTreeNode, 
-    :Page => Page, 
-    :Filespec => FileSpec, 
-    :Action => Action,
-    :Font => Font,
-    :FontDescriptor => FontDescriptor,
-    :Encoding => Encoding,
-    :Annot => Annotation,
-    :Border => Annotation::BorderStyle,
-    :Outlines => Outline,
-    :OutputIntent => OutputIntent,
-    :Sig => Signature::DigitalSignature,
-    :SigRef => Signature::Reference,
-    :SigFieldLock => Field::SignatureLock,
-    :SV => Field::SignatureSeedValue,
-    :SVCert => Field::CertificateSeedValue,
-    :ExtGState => Graphics::ExtGState,
-    :RichMediaSettings => Annotation::RichMedia::Settings,
-    :RichMediaActivation => Annotation::RichMedia::Activation,
-    :RichMediaDeactivation => Annotation::RichMedia::Deactivation,
-    :RichMediaAnimation => Annotation::RichMedia::Animation,
-    :RichMediaPresentation => Annotation::RichMedia::Presentation,
-    :RichMediaWindow => Annotation::RichMedia::Window,
-    :RichMediaPosition => Annotation::RichMedia::Position,
-    :RichMediaContent => Annotation::RichMedia::Content,
-    :RichMediaConfiguration => Annotation::RichMedia::Configuration,
-    :RichMediaInstance => Annotation::RichMedia::Instance,
-    :RichMediaParams => Annotation::RichMedia::Parameters,
-    :CuePoint => Annotation::RichMedia::CuePoint
-  }
-  
-  STM_SPECIAL_TYPES = #:nodoc:
-  {
-    :ObjStm => ObjectStream, 
-    :EmbeddedFile => EmbeddedFileStream,
-    :Metadata => MetadataStream,
-    :XRef => XRefStream,
-    :"3D" => U3DStream
-  }
-  
-  STM_XOBJ_SUBTYPES = #:nodoc:
-  {
-    :Image => Graphics::ImageXObject,
-    :Form => Graphics::FormXObject
-  }
-
   class InvalidPDFError < Exception #:nodoc:
   end
 	
   #
   # Main class representing a PDF file and its inner contents.
@@ -199,10 +130,11 @@
       def create(output, options = {})
         pdf = PDF.new
         yield(pdf) if block_given?
         pdf.save(output, options)
       end
+      alias write create
       
       #
       # Deserializes a PDF dump.
       #
       def deserialize(filename)
@@ -303,11 +235,11 @@
       fd.write output(options)
       fd.close
       
       self
     end
-    alias saveas save
+    alias write save
     
     #
     # Saves the file up to given revision number.
     # This can be useful to visualize the modifications over different incremental updates.
     # _revision_:: The revision number to save.
@@ -678,9 +610,17 @@
       end
       
     end
 
     alias :[] :get_object
+
+    def cast_object(reference, type) #:nodoc:
+      @revisions.each do |rev|
+        if rev.body.include?(reference) and type < rev.body[reference].class
+          rev.body[reference] = rev.body[reference].cast_to(type)
+        end
+      end
+    end
   
     #
     # Returns a new number/generation for future object.
     #
     def alloc_new_object_number