49d411a3d1
- also for excluding some things in the build, as I may not need to support PCBoard at revision. Actually, I don't. Later I can add that support, but for now, I need the Revision bits working.
44 lines
1.3 KiB
CoffeeScript
44 lines
1.3 KiB
CoffeeScript
class @ImageTextModeADF extends @ImageTextMode
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COLOR_INDEX = [ 0, 1, 2, 3, 4, 5, 20, 7, 56, 57, 58, 59, 60, 61, 62, 63 ]
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constructor: ( options ) ->
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super
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@header = { version: 0 }
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this[k] = v for own k, v of options
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parse: ( content ) ->
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@header.version = @getByteAt( content, 0 )
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@parsePaletteData( content.substr( 1, 192 ) )
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@parseFontData( content.substr( 193, 4096 ) )
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x = 0
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y = 0
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@screen[ y ] = []
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for i in [ 4289 .. content.length - 2 ] by 2
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ch = content.substr( i, 1 )
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break if ch == "\x1a"
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attr = @getByteAt( content, i + 1 )
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@screen[ y ][ x ] = { 'ch': ch, 'attr': attr }
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x++
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if x == 80
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x = 0
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y++
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@screen[ y ] = []
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@screen.pop() if @screen[ y ].length == 0
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parsePaletteData: ( data ) ->
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colors = []
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for i in COLOR_INDEX
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j = i * 3
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r = @getByteAt( data, j )
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r = r << 2 | r >> 4
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g = @getByteAt( data, j + 1 )
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g = g << 2 | g >> 4
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b = @getByteAt( data, j + 2 )
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b = b << 2 | b >> 4
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colors.push [ r, g, b ]
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@palette = new ImageTextModePalette( { colors: colors } )
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