Module: NIS::TXP

Includes:
Graphics
Defined in:
lib/txp.rb

Class Method Summary collapse

Class Method Details

.get_info_from_txp(txpname) ⇒ Object 



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# File 'lib/txp.rb', line 9

def self.get_info_from_txp txpname
  txp = File.new(txpname, "rb")
  w, h, num_colors = txp.read(6).unpack('v3')
  bpp = case num_colors
    when 0x10 ; 4
    when 0x100; 8
    else raise "Wrong number of colors"
  end
  txp.pos = 0x0C
  tiled = (txp.getbyte == 0) ? false : true
  o_pal = 0x10
  o_data = File.size(txp)-(w*h*bpp/8)
  txp.close
  return [w, h, bpp, tiled, o_pal, o_data]
end

.png2txp(pngname) ⇒ Object 



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# File 'lib/txp.rb', line 30

def self.png2txp pngname
  w, h, bpp, tiled, o_pal, o_data = get_info_from_txp(pngname.chomp(".png"))
  NIS::Graphics.png2nis(pngname, bpp, tiled, o_pal, o_data)
end

.txp2png(txpname) ⇒ Object 



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# File 'lib/txp.rb', line 25

def self.txp2png txpname
  w, h, bpp, tiled, o_pal, o_data = get_info_from_txp(txpname)
  NIS::Graphics.nis2png(txpname, w, h, bpp, tiled, o_pal, o_data)
end