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improve framebuffer mechanism

This commit is contained in:
osmarks 2023-11-10 11:38:46 +00:00
parent de706045a7
commit 1fa9891453
2 changed files with 25 additions and 10 deletions
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4
manifest
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@ -1,2 +1,2 @@
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31
src/potatobios.lua
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@ -1850,23 +1850,38 @@ function potatOS.send(m)
end
do
if not potatOS.registry.get "potatOS.disable_window" then
local w, h = term.native().getSize()
local win = window.create(term.native(), 1, 1, w, h)
term.redirect(win)
potatOS.screen = win
potatOS.framebuffers = {}
potatOS.framebuffers_inv = {}
if not potatOS.registry.get "potatOS.disable_framebuffers" then
local raw_redirect = term.redirect
function term.redirect(target)
local buffer = potatOS.framebuffers[target]
if not buffer then
local w, h = target.getSize()
buffer = window.create(target, 1, 1, w, h)
potatOS.framebuffers[target] = buffer
potatOS.framebuffers_inv[buffer] = target
end
raw_redirect(buffer)
end
local raw_current = term.current
function term.current()
return potatOS.framebuffers_inv[raw_current()]
end
term.redirect(term.native())
else
term.redirect(term.native())
end
end
function potatOS.read_display(end_y, end_x)
function potatOS.read_framebuffer(end_y, end_x, target)
local buffer = potatOS.framebuffers[target or term.current()]
if not end_x and not end_y then
end_x, end_y = potatOS.screen.getCursorPos()
end_x, end_y = buffer.getCursorPos()
end
local out = {}
for line = 1, end_y do
local text, fg, bg = potatOS.screen.getLine(line)
local text, fg, bg = buffer.getLine(line)
if end_y == line then
text = text:sub(1, end_x)
end