Run-length encoding: Difference between revisions
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<syntaxhighlight lang=FutureBasic> |
<syntaxhighlight lang=FutureBasic> |
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Dynamic a(1, 1) as Short // Self-fulfilling array |
Dynamic a(1, 1) as Short // Self-fulfilling array, so don't need width and height |
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local fn encode( string as CFStringRef) as CFStringRef |
local fn encode( string as CFStringRef) as CFStringRef |
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for i = 0 to len( string ) - 2 // Final char is ! |
for i = 0 to len( string ) - 2 // Final char is ! |
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ch = mid( string, i, 1 ) |
ch = mid( string, i, 1 ) |
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if intval( ch ) == 0 |
if intval( ch ) == 0 |
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rl = 1 |
rl = 1 |
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else |
else |
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ch = mid( string, i, 1 ) |
ch = mid( string, i, 1 ) |
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end if |
end if |
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select ch // Decode character |
select ch // Decode character as: |
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case @"$" : f = -1 // new line |
case @"$" : f = -1 // - new line |
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case @"b" : f = 0 // dead |
case @"b" : f = 0 // - dead |
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case @"o" : f = 1 // live |
case @"o" : f = 1 // - live |
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case else : // Ignore |
case else : // Ignore |
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end select |
end select |
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x = 0 : y ++ : v = 0 // New line |
x = 0 : y ++ : v = 0 // New line |
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else |
else |
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a(x, y) = f |
a(x, y) = f |
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x ++ : v ++ : if v > w then w = v |
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end if |
end if |
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next // run |
next // run |
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