221 lines
7.1 KiB
Lua
221 lines
7.1 KiB
Lua
-- Most of this is made by Dev9551, you can find his awesome work here: https://github.com/9551-Dev/apis/blob/main/pixelbox_lite.lua
|
|
-- Slighly modified by NyoriE to work with Basalt
|
|
|
|
--[[
|
|
The MIT License (MIT)
|
|
Copyright © 2022 Oliver Caha (9551Dev)
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the ?Software?), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED ?AS IS?, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
]]
|
|
local t_sort,t_cat,s_char = table.sort,table.concat,string.char
|
|
local function sort(a,b) return a[2] > b[2] end
|
|
|
|
local distances = {
|
|
{5,256,16,8,64,32},
|
|
{4,16,16384,256,128},
|
|
[4] = {4,64,1024,256,128},
|
|
[8] = {4,512,2048,256,1},
|
|
[16] = {4,2,16384,256,1},
|
|
[32] = {4,8192,4096,256,1},
|
|
[64] = {4,4,1024,256,1},
|
|
[128] = {6,32768,256,1024,2048,4096,16384},
|
|
[256] = {6,1,128,2,512,4,8192},
|
|
[512] = {4,8,2048,256,128},
|
|
[1024] = {4,4,64,128,32768},
|
|
[2048] = {4,512,8,128,32768},
|
|
[4096] = {4,8192,32,128,32768},
|
|
[8192] = {3,32,4096,256128},
|
|
[16384] = {4,2,16,128,32768},
|
|
[32768] = {5,128,1024,2048,4096,16384}
|
|
}
|
|
|
|
local to_colors = {}
|
|
for i = 0, 15 do
|
|
to_colors[("%x"):format(i)] = 2^i
|
|
end
|
|
|
|
local to_blit = {}
|
|
for i = 0, 15 do
|
|
to_blit[2^i] = ("%x"):format(i)
|
|
end
|
|
|
|
local function pixelbox(colTable, defaultCol)
|
|
defaultCol = defaultCol or "f"
|
|
local width, height = #colTable[1], #colTable
|
|
local cache = {}
|
|
local canv = {}
|
|
local cached = false
|
|
|
|
local function generateCanvas()
|
|
for y = 1, height * 3 do
|
|
for x = 1, width * 2 do
|
|
if not canv[y] then canv[y] = {} end
|
|
canv[y][x] = defaultCol
|
|
end
|
|
end
|
|
|
|
for k, v in ipairs(colTable) do
|
|
for x = 1, #v do
|
|
local col = v:sub(x, x)
|
|
canv[k][x] = to_colors[col]
|
|
end
|
|
end
|
|
end
|
|
generateCanvas()
|
|
|
|
local function setSize(w,h)
|
|
width, height = w, h
|
|
canv = {}
|
|
cached = false
|
|
generateCanvas()
|
|
end
|
|
|
|
|
|
local function generateChar(a,b,c,d,e,f)
|
|
local arr = {a,b,c,d,e,f}
|
|
local c_types = {}
|
|
local sortable = {}
|
|
local ind = 0
|
|
for i=1,6 do
|
|
local c = arr[i]
|
|
if not c_types[c] then
|
|
ind = ind + 1
|
|
c_types[c] = {0,ind}
|
|
end
|
|
|
|
local t = c_types[c]
|
|
local t1 = t[1] + 1
|
|
|
|
t[1] = t1
|
|
sortable[t[2]] = {c,t1}
|
|
end
|
|
local n = #sortable
|
|
while n > 2 do
|
|
t_sort(sortable,sort)
|
|
local bit6 = distances[sortable[n][1]]
|
|
local index,run = 1,false
|
|
local nm1 = n - 1
|
|
for i=2,bit6[1] do
|
|
if run then break end
|
|
local tab = bit6[i]
|
|
for j=1,nm1 do
|
|
if sortable[j][1] == tab then
|
|
index = j
|
|
run = true
|
|
break
|
|
end
|
|
end
|
|
end
|
|
local from,to = sortable[n][1],sortable[index][1]
|
|
for i=1,6 do
|
|
if arr[i] == from then
|
|
arr[i] = to
|
|
local sindex = sortable[index]
|
|
sindex[2] = sindex[2] + 1
|
|
end
|
|
end
|
|
|
|
sortable[n] = nil
|
|
n = n - 1
|
|
end
|
|
|
|
local n = 128
|
|
local a6 = arr[6]
|
|
|
|
if arr[1] ~= a6 then n = n + 1 end
|
|
if arr[2] ~= a6 then n = n + 2 end
|
|
if arr[3] ~= a6 then n = n + 4 end
|
|
if arr[4] ~= a6 then n = n + 8 end
|
|
if arr[5] ~= a6 then n = n + 16 end
|
|
|
|
if sortable[1][1] == arr[6] then
|
|
return s_char(n),sortable[2][1],arr[6]
|
|
else
|
|
return s_char(n),sortable[1][1],arr[6]
|
|
end
|
|
end
|
|
|
|
local function convert()
|
|
local w_double = width * 2
|
|
|
|
local sy = 0
|
|
for y = 1, height * 3, 3 do
|
|
sy = sy + 1
|
|
local layer_1 = canv[y]
|
|
local layer_2 = canv[y + 1]
|
|
local layer_3 = canv[y + 2]
|
|
local char_line, fg_line, bg_line = {}, {}, {}
|
|
local n = 0
|
|
for x = 1, w_double, 2 do
|
|
local xp1 = x + 1
|
|
local b11, b21, b12, b22, b13, b23 = layer_1[x], layer_1[xp1], layer_2[x], layer_2[xp1], layer_3[x], layer_3[xp1]
|
|
|
|
local char, fg, bg = " ", 1, b11
|
|
if not (b21 == b11 and b12 == b11 and b22 == b11 and b13 == b11 and b23 == b11) then
|
|
char, fg, bg = generateChar(b11, b21, b12, b22, b13, b23)
|
|
end
|
|
n = n + 1
|
|
char_line[n] = char
|
|
fg_line[n] = to_blit[fg]
|
|
bg_line[n] = to_blit[bg]
|
|
end
|
|
|
|
cache[sy] = {t_cat(char_line), t_cat(fg_line), t_cat(bg_line)}
|
|
end
|
|
cached = true
|
|
end
|
|
|
|
return {
|
|
convert = convert,
|
|
generateCanvas = generateCanvas,
|
|
setSize = setSize,
|
|
getSize = function()
|
|
return width, height
|
|
end,
|
|
set = function(colTab, defCol)
|
|
colTable = colTab
|
|
defaultCol = defCol or defaultCol
|
|
canv = {}
|
|
cached = false
|
|
generateCanvas()
|
|
end,
|
|
get = function(y)
|
|
if not cached then convert() end
|
|
return y~= nil and cache[y] or cache
|
|
end
|
|
}
|
|
end
|
|
|
|
return {
|
|
Image = function(base, basalt)
|
|
return {
|
|
shrink = function(self)
|
|
local bimg = self:getImageFrame(1)
|
|
local img = {}
|
|
for k,v in pairs(bimg)do
|
|
if(type(k)=="number")then
|
|
table.insert(img,v[3])
|
|
end
|
|
end
|
|
local shrinkedImg = pixelbox(img, self:getBackground()).get()
|
|
self:setImage(shrinkedImg)
|
|
return self
|
|
end,
|
|
|
|
getShrinkedImage = function(self)
|
|
local bimg = self:getImageFrame(1)
|
|
local img = {}
|
|
for k,v in pairs(bimg)do
|
|
if(type(k)=="number")then
|
|
table.insert(img, v[3])
|
|
end
|
|
end
|
|
return pixelbox(img, self:getBackground()).get()
|
|
end,
|
|
}
|
|
end,
|
|
} |