d
35 lines
1.4 KiB
Lua
35 lines
1.4 KiB
Lua
local raster = {}
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local ocelot = component.proxy(component.list("ocelot")())
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local gpu = component.proxy(component.list("gpu")())
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function raster.drawPixel(x, y, newbg, newfg)
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-- get original character for "merging"
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local char, fg, bg = gpu.get(x, y) -- thx wah
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ocelot.log(char)
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char = string.byte(char) -- convert from char to char code
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ocelot.log(tostring(char))
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if char < 0x2800 or char > 0x28ff then -- check if char is not a braille character
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char = 0 -- yes
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end
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ocelot.log(tostring(char))
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local newi = (x%2)+(y%4)*2 -- original unmodified location in the char
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if x%2==1 and (newi>1 and newi<6) then -- modify it
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newi = newi+1 -- trust me bro this works
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elseif x%2==0 and (newi>1 and newi<6) then
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newi = newi-1
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end
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ocelot.log(tostring(newi))
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newchar = char|(1<<newi) -- boom and its combined
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if newchar < 0x2800 then newchar = newchar+0x2800 end
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ocelot.log(tostring(newchar))
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termlib.cursorPosX = math.floor(x/2) -- math.floor() for good measure
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termlib.cursorPosY = math.floor(y/4)
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if newbg == nil then gpu.setBackground(bg) else gpu.setBackground(newbg) end
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if newfg == nil then gpu.setForeground(fg) else gpu.setForeground(newfg) end
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print(utf8.char(newchar), false, false)
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-- print it without newline or wrapping
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-- (in case someone wants to draw a pixel off-screen. why would you do that?)
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end
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return raster |