272 lines
7.3 KiB
Lua
272 lines
7.3 KiB
Lua
local textgpu = {}
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local mapping = {
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["0"] = 0x000000,
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["1"] = 0xFF0000,
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["2"] = 0x00FF00,
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["3"] = 0xFFFF00,
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["4"] = 0x0000FF,
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["5"] = 0xFF00FF,
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["6"] = 0x00FFFF,
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["7"] = 0xFFFFFF,
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}
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--[[local nw = io.write
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io.write = function(...)
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nw(...)
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io.flush()
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native.sleep(20000)
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end]]--
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local write = io.write
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local flush = io.flush
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local background = "0"
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local foreground = "0"
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local tbuffer = {}
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local bbuffer = {}
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local fbuffer = {}
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local function prepareBuffers(w, h)
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local tbline = (" "):rep(w)
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local bbline = ("0"):rep(w)
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local fbline = ("7"):rep(w)
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for i=1, h do
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tbuffer[i] = tbline
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bbuffer[i] = bbline
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fbuffer[i] = fbline
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end
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end
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local usub
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local function insertString(main, sub, at)
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checkArg(1, main, "string")
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checkArg(2, sub, "string")
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checkArg(3, at, "number")
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return usub(main, 1, at - 1)
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.. sub .. usub(main, at + (utf8.len(sub) or 0))
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end
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function textgpu.start()
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usub = modules.sandbox.unicode.sub
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local _height = 0
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local gpu = {}
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function gpu.bind() return false, "This is static bound gpu" end
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function gpu.setBackground(color, isPaletteIndex)
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checkArg(1, color, "number")
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checkArg(2, isPaletteIndex, "boolean", "nil")
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if isPaletteIndex then
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return --TODO: Maybe?
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end
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local old = background
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background = tostring(math.floor(modules.color.nearest(color, mapping)))
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write("\x1b[4" .. background .. "m")
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flush()
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return mapping[old]
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end
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function gpu.setForeground(color, isPaletteIndex)
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checkArg(1, color, "number")
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checkArg(2, isPaletteIndex, "boolean", "nil")
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if isPaletteIndex then
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return --TODO: Maybe?
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end
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local old = foreground
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foreground = tostring(math.floor(modules.color.nearest(color, mapping)))
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write("\x1b[3" .. foreground .. "m")
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flush()
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return mapping[old]
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end
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function gpu.getBackground()
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return mapping[background], false
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end
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function gpu.getForeground()
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return mapping[foreground], false
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end
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function gpu.getPaletteColor()
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return nil
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end
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function gpu.setPaletteColor()
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return nil
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end
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function gpu.maxDepth()
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return 3
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end
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function gpu.setDepth()
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return false
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end
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function gpu.getDepth()
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return 3
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end
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function gpu.maxResolution()
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return termutils.getSize()
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end
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function gpu.getResolution()
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return termutils.getSize()
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end
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function gpu.getViewport()
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return termutils.getSize()
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end
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function gpu.setViewport(w, h)
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checkArg(1, w, "number")
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checkArg(2, h, "number")
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return false, "Viewport not supported for this gpu"
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end
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function gpu.setResolution(w, h)
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checkArg(1, w, "number")
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checkArg(2, h, "number")
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return false, "Non resizeable gpu"
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end
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function gpu.get(x, y)
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checkArg(1, x, "number")
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checkArg(2, y, "number")
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--FIXME: ASAP: Implement
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return " "
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end
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function gpu.set(x, y, value, vertical)
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checkArg(1, x, "number")
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checkArg(2, y, "number")
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checkArg(3, value, "string")
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checkArg(4, vertical, "boolean", "nil")
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x = math.floor(x)
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y = math.floor(y)
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if not vertical then
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if not tbuffer[y] then
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native.log("GPU Set failed: under buffer")
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return false
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end
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tbuffer[y] = insertString(tbuffer[y], value, x)
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bbuffer[y] = insertString(bbuffer[y], background:rep(utf8.len(value)), x)
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fbuffer[y] = insertString(fbuffer[y], foreground:rep(utf8.len(value)), x)
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write("\x1b[" .. y .. ";" .. x .. "H" .. value)
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else
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--TODO: Buffers!
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write("\x1b[" .. y .. ";" .. x .. "H")
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value:gsub(".", function(c)
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write(c .. "\x1b[D\x1b[B")
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end)
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end
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flush()
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return true
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end
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function gpu.copy(x, y, w, h, tx, ty) --TODO: Check(check X multiple times)
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checkArg(1, x, "number")
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checkArg(2, y, "number")
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checkArg(3, w, "number")
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checkArg(4, h, "number")
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checkArg(5, tx, "number")
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checkArg(6, ty, "number")
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local ttbuf = {}
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local btbuf = {}
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local ftbuf = {}
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for i=1, h do
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if i + y - 2 <= _height and i + y > 1 then
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ttbuf[i] = tbuffer[y + i - 1] and usub(tbuffer[y + i - 1], x, x + w - 1) or (" "):rep(w)
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btbuf[i] = bbuffer[y + i - 1] and bbuffer[y + i - 1]:sub(x, x + w - 1) or background:rep(w)
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ftbuf[i] = fbuffer[y + i - 1] and fbuffer[y + i - 1]:sub(x, x + w - 1) or foreground:rep(w)
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else
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ttbuf[i] = (" "):rep(w)
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btbuf[i] = background:rep(w)
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ftbuf[i] = foreground:rep(w)
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end
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end
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local bg = background
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local fg = foreground
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for i=1, h do
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local line, linex
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local lwrite = false
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for j=1, w do
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if btbuf[i]:sub(j,j) ~= bg then
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lwrite = true
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end
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if ftbuf[i]:sub(j,j) ~= fg then
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lwrite = true
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end
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if not line then linex = j end
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line = (line or "")
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if lwrite then
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local wx = (tx + x + linex - 1)|0
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local wy = (ty + y + i - 1)|0
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if tbuffer[wy] then
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write("\x1b[4" .. bg .. "m\x1b[3" .. fg .. "m\x1b[" .. wy .. ";" .. wx .. "H" .. line)
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tbuffer[wy] = insertString(tbuffer[wy], line, wx)
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bbuffer[wy] = insertString(bbuffer[wy], bg:rep(utf8.len(line)), wx)
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fbuffer[wy] = insertString(fbuffer[wy], fg:rep(utf8.len(line)), wx)
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end
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bg = btbuf[i]:sub(j,j)
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fg = ftbuf[i]:sub(j,j)
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line = nil
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linex = nil
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lwrite = false
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end
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if not line then linex = j end
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line = (line or "") .. usub(ttbuf[i], j,j)
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end
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if line then
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local wx = (tx + x + linex - 1)|0
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local wy = (ty + y + i - 1)|0
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if tbuffer[wy] then
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write("\x1b[4" .. bg .. "m\x1b[3" .. fg .. "m\x1b[" .. wy .. ";" .. wx .. "H" .. line)
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tbuffer[wy] = insertString(tbuffer[wy], line, wx)
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bbuffer[wy] = insertString(bbuffer[wy], bg:rep(utf8.len(line)), wx)
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fbuffer[wy] = insertString(fbuffer[wy], fg:rep(utf8.len(line)), wx)
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end
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line = nil
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linex = nil
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lwrite = false
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end
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end
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write("\x1b[4" .. background .. "m")
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write("\x1b[3" .. foreground .. "m")
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flush()
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return true
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end
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function gpu.fill(x, y, w, h, ch)
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checkArg(1, x, "number")
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checkArg(2, y, "number")
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checkArg(3, w, "number")
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checkArg(4, h, "number")
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checkArg(5, ch, "string")
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ch = usub(ch, 1, 1):rep(math.floor(w))
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for i=1, h do
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if i + y - 1 <= _height and i + y > 1 then
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gpu.set(x, y + i - 1, ch)
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end
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end
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return true
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end
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local screenAddr
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function gpu.getScreen()
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return screenAddr
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end
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if not termutils.init() then
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return nil, "Cannot initialize terminal based gpu"
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end
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write("\x1b[?25l") --Disable cursor
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local w, h = gpu.getResolution()
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_height = h
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prepareBuffers(w, h)
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gpu.setForeground(0xFFFFFF)
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gpu.setBackground(0x000000)
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local gpuaddr = modules.component.api.register(nil, "gpu", gpu)
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screenAddr = modules.component.api.register(nil, "screen", {getKeyboards = function() return {"TODO:SetThisUuid"} end}) --verry dummy screen, TODO: make it better, kbd uuid also in epoll.c
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modules.component.api.register("TODO:SetThisUuid", "keyboard", {})
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deadhooks[#deadhooks + 1] = function()
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write("\x1b[?25h\x1b[" .. ((h-1)|0) .. ";1H") --Enable cursor on quit
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io.flush()
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termutils.restore()
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end
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return gpuaddr
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end
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return textgpu
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