Class: Libis::Format::Converter::Jp2Converter
- Inherits:
-
Base
- Object
- Base
- Libis::Format::Converter::Jp2Converter
show all
- Defined in:
- lib/libis/format/converter/jp2_converter.rb
Instance Attribute Summary
Attributes inherited from Base
#flags, #options
Class Method Summary
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Instance Method Summary
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Methods inherited from Base
category, #check_file_exist, inherited, using_temp, #using_temp
Constructor Details
Returns a new instance of Jp2Converter.
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# File 'lib/libis/format/converter/jp2_converter.rb', line 22
def initialize
super
@options = {
color_xform: false,
error_resilience: :ALL,
lossless: true,
progression_order: 'RLCP',
tile_size: [1024, 1024],
codeblock_size: [6, 6],
}
end
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Class Method Details
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# File 'lib/libis/format/converter/jp2_converter.rb', line 13
def self.input_types
[:TIFF, :JPG, :PNG, :BMP, :GIF, :PDF]
end
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.output_types(format = nil) ⇒ Object
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# File 'lib/libis/format/converter/jp2_converter.rb', line 17
def self.output_types(format = nil)
return [] unless input_types.include?(format) if format
[:JP2]
end
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Instance Method Details
#codeblock_size(height = 6, width = 6) ⇒ Object
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# File 'lib/libis/format/converter/jp2_converter.rb', line 58
def codeblock_size(height = 6, width = 6)
@options[:codeblock_size] = [height, width]
end
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# File 'lib/libis/format/converter/jp2_converter.rb', line 38
def color_xform(flag = true)
@options[:color_xform] = flag
end
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#convert(source, target, format, opts = {}) ⇒ Object
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# File 'lib/libis/format/converter/jp2_converter.rb', line 62
def convert(source, target, format, opts = {})
super
FileUtils.mkpath(File.dirname(target))
options = []
@options.each do |key, value|
case key
when :color_xform
options << '--set-output-j2k-color-xform' << (value ? 'YES' : 'NO')
when :error_resilience
options << '--set-output-j2k-error-resilience' << value.to_s
when :lossless
if value
options << '--set-output-j2k-xform' << 'R53' << '5' << '--set-output-j2k-ratio' << '0'
else
options << '--set-output-j2k-xform' << 'I97' << '--set-output-j2k-psnr' << '46'
end
when :progression_order
options << '--set-output-j2k-progression-order' << value.to_s
when :tile_size
options << '--set-output-j2k-tile-size' << value[0].to_s << value[1].to_s
when :codeblock_size
options << '--set-output-j2k-codeblock-size' << value[0].to_s << value[1].to_s
else
end
end
Libis::Tools::Command.run(
Libis::Format::Config[:j2k_cmd],
'--input-file-name', source,
'--set-output-type', 'JP2',
*options,
'--output-file-name', target,
)
target
end
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#error_resilience(value = :ALL) ⇒ Object
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# File 'lib/libis/format/converter/jp2_converter.rb', line 42
def error_resilience(value = :ALL)
@options[:error_resilience] = value
end
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#j2kdriver(_) ⇒ Object
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# File 'lib/libis/format/converter/jp2_converter.rb', line 34
def j2kdriver(_)
end
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#lossless(value = true) ⇒ Object
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# File 'lib/libis/format/converter/jp2_converter.rb', line 46
def lossless(value = true)
@options[:lossless] = value
end
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#progression_order(value = 'RLCP') ⇒ Object
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# File 'lib/libis/format/converter/jp2_converter.rb', line 50
def progression_order(value = 'RLCP')
@options[:progression_order] = value
end
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#tile_size(width = 1024, height = 1024) ⇒ Object
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# File 'lib/libis/format/converter/jp2_converter.rb', line 54
def tile_size(width = 1024, height = 1024)
@options[:tile_size] = [width, height]
end
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