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push a working (cec) screen.copy

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This commit is contained in:
James Coon 2015-04-22 08:36:10 -06:00
parent d39f6478f1
commit e6b93f176e
1 changed files with 14 additions and 14 deletions
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28
src/component/screen.lua
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@ -237,16 +237,16 @@ function cec.set(x, y, value, vertical) -- Plots a string value to the screen at
end
return true
end
function cec.copy(x, y, w, h, tx, ty) -- Copies a portion of the screen from the specified location with the specified size by the specified translation.
function cec.copy(x1, y1, w, h, tx, ty) -- Copies a portion of the screen from the specified location with the specified size by the specified translation.
--TODO
cprint("(cec) screen.copy", x, y, w, h, tx, ty)
cprint("(cec) screen.copy", x1, y1, w, h, tx, ty)
if w <= 0 or h <= 0 then
return true
end
local x2 = x1+w-1
local y2 = y1+h-1
-- Not dealing with offscreen stuff yet
if x1 < 1 or y1 < 1 or x2 > width or y2 > height then
if x1 < 1 or y1 < 1 or x2 > width or y2 > height or (tx == 0 and ty == 0) then
return true
end
local copy = {txt={},fg={},bg={},fgp={},bgp={}}
@ -265,19 +265,19 @@ function cec.copy(x, y, w, h, tx, ty) -- Copies a portion of the screen from the
end
end
for y = math.max(math.min(y1+ty, height), 1), math.max(math.min(y2+ty, height), 1) do
copy.txt[y-y1] = {}
copy.fg[y-y1] = {}
copy.bg[y-y1] = {}
copy.fgp[y-y1] = {}
copy.bgp[y-y1] = {}
for x = math.max(math.min(x1+tx, width), 1), math.max(math.min(x2+ty, widht), 1) do
copy.txt[y-y1][x-x1] = screen.txt[y][x]
copy.fg[y-y1][x-x1] = screen.fg[y][x]
copy.bg[y-y1][x-x1] = screen.bg[y][x]
copy.fgp[y-y1][x-x1] = screen.fgp[y][x]
copy.bgp[y-y1][x-x1] = screen.bgp[y][x]
for x = math.max(math.min(x1+tx, width), 1), math.max(math.min(x2+tx, width), 1) do
screen.txt[y][x] = copy.txt[y-y1-ty][x-x1-tx]
screen.fg[y][x] = copy.fg[y-y1-ty][x-x1-tx]
screen.bg[y][x] = copy.bg[y-y1-ty][x-x1-tx]
screen.fgp[y][x] = copy.fgp[y-y1-ty][x-x1-tx]
screen.bgp[y][x] = copy.bgp[y-y1-ty][x-x1-tx]
local fr,fg,fb = breakColor(copy.fg[y-y1-ty][x-x1-tx])
local br,bg,bb = breakColor(copy.bg[y-y1-ty][x-x1-tx])
-- TODO: Replace with pixel copy, this is slow.
renderChar(lua_utf8.codepoint(copy.txt[y-y1-ty][x-x1-tx]),(x-1)*8,(y-1)*16,fr,fg,fb,br,bg,bb)
end
end
image:refresh()
end
return obj,cec