Module: PDF::Reader::ResourceMethods

Included in:
FormXObject, Page
Defined in:
lib/pdf/reader/resource_methods.rb

Overview

mixin for common methods in Page and FormXobjects

Instance Method Summary collapse

Instance Method Details

#color_spaces ⇒ Object

Returns a Hash of color spaces that are available to this page

NOTE: this method de-serialise objects from the underlying PDF

with no caching. You will want to cache the results instead
of calling it over and over.


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# File 'lib/pdf/reader/resource_methods.rb', line 16

def color_spaces
  @objects.deref!(resources[:ColorSpace]) || {}
end

#fonts ⇒ Object

Returns a Hash of fonts that are available to this page

NOTE: this method de-serialise objects from the underlying PDF

with no caching. You will want to cache the results instead
of calling it over and over.


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# File 'lib/pdf/reader/resource_methods.rb', line 26

def fonts
  @objects.deref!(resources[:Font]) || {}
end

#graphic_states ⇒ Object

Returns a Hash of external graphic states that are available to this page

NOTE: this method de-serialise objects from the underlying PDF

with no caching. You will want to cache the results instead
of calling it over and over.


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# File 'lib/pdf/reader/resource_methods.rb', line 37

def graphic_states
  @objects.deref!(resources[:ExtGState]) || {}
end

#patterns ⇒ Object

Returns a Hash of patterns that are available to this page

NOTE: this method de-serialise objects from the underlying PDF

with no caching. You will want to cache the results instead
of calling it over and over.


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# File 'lib/pdf/reader/resource_methods.rb', line 47

def patterns
  @objects.deref!(resources[:Pattern]) || {}
end

#procedure_sets ⇒ Object

Returns an Array of procedure sets that are available to this page

NOTE: this method de-serialise objects from the underlying PDF

with no caching. You will want to cache the results instead
of calling it over and over.


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# File 'lib/pdf/reader/resource_methods.rb', line 57

def procedure_sets
  @objects.deref!(resources[:ProcSet]) || []
end

#properties ⇒ Object

Returns a Hash of properties sets that are available to this page

NOTE: this method de-serialise objects from the underlying PDF

with no caching. You will want to cache the results instead
of calling it over and over.


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# File 'lib/pdf/reader/resource_methods.rb', line 67

def properties
  @objects.deref!(resources[:Properties]) || {}
end

#shadings ⇒ Object

Returns a Hash of shadings that are available to this page

NOTE: this method de-serialise objects from the underlying PDF

with no caching. You will want to cache the results instead
of calling it over and over.


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# File 'lib/pdf/reader/resource_methods.rb', line 77

def shadings
  @objects.deref!(resources[:Shading]) || {}
end

#xobjects ⇒ Object

Returns a Hash of XObjects that are available to this page

NOTE: this method de-serialise objects from the underlying PDF

with no caching. You will want to cache the results instead
of calling it over and over.


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# File 'lib/pdf/reader/resource_methods.rb', line 87

def xobjects
  @objects.deref!(resources[:XObject]) || {}
end