Class: Preflight::Rules::NoRegistrationBlack

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/preflight/rules/no_registration_black.rb

Overview

Some print workflows forbid the use of Registration Black

Arguments: none

Usage:

class MyPreflight
  include Preflight::Profile

  rule Preflight::Rules::NoRegistrationBlack
end

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#issues ⇒ Object (readonly)

Returns the value of attribute issues.



29
30
31
 
# File 'lib/preflight/rules/no_registration_black.rb', line 29

def issues
  @issues
end

Instance Method Details

#invoke_xobject(label) ⇒ Object

descend into nested form xobjects



42
43
44
45
46
47
48
49
 
# File 'lib/preflight/rules/no_registration_black.rb', line 42

def invoke_xobject(label)
  @state.invoke_xobject(label) do |xobj|
    case xobj
    when PDF::Reader::FormXObject then
      xobj.walk(self)
    end
  end
end

#page=(page) ⇒ Object

we’re about to start a new page, reset state



33
34
35
36
37
38
 
# File 'lib/preflight/rules/no_registration_black.rb', line 33

def page=(page)
  @page   = page
  @state  = PDF::Reader::PageState.new(page)
  @issues = []
  @resource_labels_seen = []
end

#set_cmyk_color_for_nonstroking(c, m, y, k) ⇒ Object 



55
56
57
 
# File 'lib/preflight/rules/no_registration_black.rb', line 55

def set_cmyk_color_for_nonstroking(c, m, y, k)
  reg_black_detected(c, m, y, k) if registration_black?(c, m, y, k)
end

#set_cmyk_color_for_stroking(c, m, y, k) ⇒ Object 



51
52
53
 
# File 'lib/preflight/rules/no_registration_black.rb', line 51

def set_cmyk_color_for_stroking(c, m, y, k)
  reg_black_detected(c, m, y, k) if registration_black?(c, m, y, k)
end

#set_nonstroke_color_space(label) ⇒ Object 



63
64
65
 
# File 'lib/preflight/rules/no_registration_black.rb', line 63

def set_nonstroke_color_space(label)
  check_color_space(label)
end

#set_stroke_color_space(label) ⇒ Object 



59
60
61
 
# File 'lib/preflight/rules/no_registration_black.rb', line 59

def set_stroke_color_space(label)
  check_color_space(label)
end