Class: APNGAsmGUI::Adapter

Inherits:
Object
  • Object
show all
Defined in:
lib/apngasm-gui/adapter.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Adapter

Returns a new instance of Adapter.



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# File 'lib/apngasm-gui/adapter.rb', line 7

def initialize
  @apngasm = APNGAsm.new
end

Instance Method Details

#export(frame_list, filename, frames_status) ⇒ Object 



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# File 'lib/apngasm-gui/adapter.rb', line 24

def export(frame_list, filename, frames_status)
  @apngasm.reset
  filename = set_filename(filename)

  frame_list.list.each do |frame|
    if frame.apngframe.nil?
      @apngasm.add_frame_file(frame.filename, frame.delay)
    else
      set_apngframe(frame)
    end
  end
  @apngasm.assemble("#{filename}.png")

  save_frames(filename) if frames_status

  GC.start
end

#import(frame_list, filename) ⇒ Object 



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# File 'lib/apngasm-gui/adapter.rb', line 11

def import(frame_list, filename)
  @apngasm.reset
  apngframes = @apngasm.disassemble(filename)
  filename = File.basename(filename, '.png')
  new_frames = []

  apngframes.each_with_index do |apngframe, i|
    new_frames << APNGAsmGUI::Frame.new("#{filename}_#{i}.png", frame_list, apngframe)
  end

  new_frames
end

#save_frames(filename) ⇒ Object 



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# File 'lib/apngasm-gui/adapter.rb', line 42

def save_frames(filename)
  @apngasm.reset
  @apngasm.disassemble("#{filename}.png")
  FileUtils.mkdir_p(filename) unless File.exist?(filename)
  @apngasm.save_pngs(filename)
  @apngasm.save_json("#{filename}/animation.json", filename)
end

#set_apngframe(frame) ⇒ Object 



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# File 'lib/apngasm-gui/adapter.rb', line 50

def set_apngframe(frame)
  filename = "#{File.basename(frame.filename, '.png')}"

  Dir::mktmpdir(nil, File.dirname(__FILE__)) do |dir|
    frame.apngframe.save("#{dir}/#{filename}.png")
    @apngasm.add_frame_file("#{dir}/#{filename}.png", frame.delay)
  end
end

#set_filename(filename) ⇒ Object 



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# File 'lib/apngasm-gui/adapter.rb', line 59

def set_filename(filename)
  dirname = File.dirname(filename)
  basename = File.basename(filename, '.png')
  new_filename = "#{dirname}/#{basename}"
end