Class: Morandi::ImageProcessor

Inherits:
Object
  • Object
show all
Defined in:
lib/morandi/image_processor.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file, user_options, local_options = {}) ⇒ ImageProcessor

Returns a new instance of ImageProcessor.



12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
 
# File 'lib/morandi/image_processor.rb', line 12

def initialize(file, user_options, local_options={})
  @file = file

  user_options.keys.grep(/^path/).each { |k| user_options.delete(k) }

  # Give priority to user_options
  @options = (local_options || {}).merge(user_options || {})
  @local_options = local_options

  @scale_to = @options['output.max']
  @width, @height = @options['output.width'], @options['output.height']

  if @file.is_a?(String)
    get_pixbuf
  elsif @file.is_a?(Gdk::Pixbuf) or @file.is_a?(Morandi::ProfiledPixbuf)
    @pb = @file
    @scale = 1.0
  end
end

Instance Attribute Details

#config ⇒ Object

Returns the value of attribute config.



6
7
8
 
# File 'lib/morandi/image_processor.rb', line 6

def config
  @config
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



5
6
7
 
# File 'lib/morandi/image_processor.rb', line 5

def options
  @options
end

#pb ⇒ Object (readonly)

Returns the value of attribute pb.



5
6
7
 
# File 'lib/morandi/image_processor.rb', line 5

def pb
  @pb
end

Class Method Details

.default_icc_path(path) ⇒ Object 



8
9
10
 
# File 'lib/morandi/image_processor.rb', line 8

def self.default_icc_path(path)
  "#{path}.icc.jpg"
end

Instance Method Details

#process! ⇒ Object 



32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
 
# File 'lib/morandi/image_processor.rb', line 32

def process!
  # Apply Red-Eye corrections
  apply_redeye!

  # Apply contrast, brightness etc
  apply_colour_manipulations!

  # apply rotation
  apply_rotate!

  # apply crop
  apply_crop!

  # apply filter
  apply_filters!

  # add border
  apply_decorations!

  if @options['output.limit'] && @width && @height
    @pb = @pb.scale_max([@width, @height].max)
  end

  @pb
end

#result ⇒ Object 



58
59
60
 
# File 'lib/morandi/image_processor.rb', line 58

def result
  @pb
end

#write_to_jpeg(fn, quality = nil) ⇒ Object 



74
75
76
77
 
# File 'lib/morandi/image_processor.rb', line 74

def write_to_jpeg(fn, quality = nil)
  quality ||= options.fetch('quality', 97)
  @pb.save(fn, 'jpeg', quality: quality)
end

#write_to_png(fn, orientation = :any) ⇒ Object 



62
63
64
65
66
67
68
69
70
71
72
 
# File 'lib/morandi/image_processor.rb', line 62

def write_to_png(fn, orientation=:any)
  pb = @pb

  case orientation
  when :landscape
    pb = @pb.rotate(90) if @pb.width < @pb.height
  when :portrait
    pb = @pb.rotate(90) if @pb.width > @pb.height
  end
  pb.save(fn, 'png')
end