312 lines
7.8 KiB
Lua
312 lines
7.8 KiB
Lua
local sub,rep = string.sub,string.rep
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local function frame(base, manager)
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local w, h = 0, 0
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local t,fg,bg = {}, {}, {}
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local x, y = 1,1
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local data = {}
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local function recalculateSize()
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for y=1,h do
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if(t[y]==nil)then
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t[y] = rep(" ", w)
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else
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t[y] = t[y]..rep(" ", w-#t[y])
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end
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if(fg[y]==nil)then
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fg[y] = rep("0", w)
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else
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fg[y] = fg[y]..rep("0", w-#fg[y])
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end
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if(bg[y]==nil)then
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bg[y] = rep("f", w)
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else
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bg[y] = bg[y]..rep("f", w-#bg[y])
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end
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end
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end
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local addText = function(text, _x, _y)
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x = _x or x
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y = _y or y
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if(t[y]==nil)then
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t[y] = rep(" ", x-1)..text..rep(" ", w-(#text+x))
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else
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t[y] = sub(t[y], 1, x-1)..rep(" ", x-#t[y])..text..sub(t[y], x+#text, w)
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end
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if(#t[y]>w)then w = #t[y] end
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if(y > h)then h = y end
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manager.updateSize(w, h)
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end
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local addBg = function(b, _x, _y)
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x = _x or x
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y = _y or y
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if(bg[y]==nil)then
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bg[y] = rep("f", x-1)..b..rep("f", w-(#b+x))
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else
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bg[y] = sub(bg[y], 1, x-1)..rep("f", x-#bg[y])..b..sub(bg[y], x+#b, w)
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end
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if(#bg[y]>w)then w = #bg[y] end
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if(y > h)then h = y end
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manager.updateSize(w, h)
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end
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local addFg = function(f, _x, _y)
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x = _x or x
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y = _y or y
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if(fg[y]==nil)then
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fg[y] = rep("0", x-1)..f..rep("0", w-(#f+x))
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else
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fg[y] = sub(fg[y], 1, x-1)..rep("0", x-#fg[y])..f..sub(fg[y], x+#f, w)
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end
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if(#fg[y]>w)then w = #fg[y] end
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if(y > h)then h = y end
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manager.updateSize(w, h)
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end
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local function setFrame(frm)
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data = {}
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t, fg, bg = {}, {}, {}
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for k,v in pairs(base)do
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if(type(k)=="string")then
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data[k] = v
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else
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t[k], fg[k], bg[k] = v[1], v[2], v[3]
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end
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end
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manager.updateSize(w, h)
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end
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if(base~=nil)then
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w = #base[1][1]
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h = #base
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setFrame(base)
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end
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return {
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recalculateSize = recalculateSize,
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setFrame = setFrame,
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getFrame = function()
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local f = {}
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for k,v in pairs(data)do
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f[k] = v
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end
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for k,v in pairs(t)do
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table.insert(f, {v, fg[k], bg[k]})
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end
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return f, w, h
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end,
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getImage = function()
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local i = {}
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for k,v in pairs(t)do
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table.insert(i, {v, fg[k], bg[k]})
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end
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return i
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end,
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setFrameData = function(key, value)
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data[key] = value
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end,
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blit = function(text, fgCol, bgCol, x, y)
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addText(text, x, y)
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addFg(fgCol, x, y)
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addBg(bgCol, x, y)
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end,
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text = addText,
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fg = addFg,
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bg = addBg,
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getSize = function()
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return w, h
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end,
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setSize = function(_w, _h)
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local nt,nfg,nbg = {}, {}, {}
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for _y=1,_h do
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if(t[_y]~=nil)then
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nt[_y] = sub(t[_y], 1, _w)..rep(" ", _w - w)
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else
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nt[_y] = rep(" ", _w)
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end
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if(fg[_y]~=nil)then
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nfg[_y] = sub(fg[_y], 1, _w)..rep("0", _w - w)
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else
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nfg[_y] = rep("0", _w)
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end
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if(bg[_y]~=nil)then
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nbg[_y] = sub(bg[_y], 1, _w)..rep("f", _w - w)
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else
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nbg[_y] = rep("f", _w)
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end
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end
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t, fg, bg = nt, nfg, nbg
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w, h = _w, _h
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end,
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}
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end
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return function(img)
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local frames = {}
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local metadata = {creator="Bimg Library by NyoriE", date=os.date("!%Y-%m-%dT%TZ")}
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local width,height = 0, 0
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local manager = {}
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local function addFrame(id, data)
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id = id or #frames+1
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frames[id] = frame(data, manager)
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if(data==nil)then
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frames[id].setSize(width, height)
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end
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end
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manager = {
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updateSize = function(w, h, force)
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local changed = force==true and true or false
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if(w > width)then changed = true width = w end
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if(h > height)then changed = true height = h end
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if(changed)then
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for k,v in pairs(frames)do
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v.setSize(width, height)
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v.recalculateSize()
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end
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end
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end,
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text = function(frame, text, x, y)
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local f = frames[frame]
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if(f==nil)then
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f = addFrame(frame)
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end
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f.text(text, x, y)
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end,
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fg = function(frame, fg, x, y)
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local f = frames[frame]
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if(f==nil)then
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f = addFrame(frame)
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end
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f.fg(fg, x, y)
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end,
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bg = function(frame, bg, x, y)
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local f = frames[frame]
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if(f==nil)then
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f = addFrame(frame)
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end
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f.bg(bg, x, y)
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end,
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blit = function(frame, text, fg, bg, x, y)
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local f = frames[frame]
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if(f==nil)then
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f = addFrame(frame)
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end
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f.blit(text, fg, bg, x, y)
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end,
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setSize = function(w, h)
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width = w
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height = h
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for k,v in pairs(frames)do
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v.setSize(w, h)
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end
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end,
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getFrame = function(id)
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if(frames[id]~=nil)then
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return frames[id].getFrame()
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end
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end,
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getFrameObjects = function()
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return frames
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end,
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getFrames = function()
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local f = {}
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for k,v in pairs(frames)do
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local frame = v.getFrame()
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table.insert(f, frame)
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end
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return f
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end,
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getFrameObject = function(id)
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return frames[id]
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end,
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addFrame = function(id)
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local f = frame()
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if(#frames<=1)then
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metadata.animated = true
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metadata.secondsPerFrame = 0.2
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end
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addFrame(id)
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return f
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end,
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setFrameData = function(id, key, value)
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if(frames[id]~=nil)then
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frames[id].setFrameData(key, value)
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end
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end,
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getSize = function()
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return width, height
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end,
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setAnimation = function(anim)
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metadata.animation = anim
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end,
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setMetadata = function(key, val)
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meta[key] = val
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end,
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createBimg = function()
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local bimg = {}
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for k,v in pairs(frames)do
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local f = v.getFrame()
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table.insert(bimg, f)
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end
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for k,v in pairs(metadata)do
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bimg[k] = v
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end
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bimg.width = width
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bimg.height = height
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return bimg
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end,
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}
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if(img~=nil)then
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for k,v in pairs(img)do
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if(type(k)=="string")then
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metadata[k] = v
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else
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addFrame(k, v)
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end
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end
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if(metadata.width==nil)or(metadata.height==nil)then
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for k,v in pairs(frames)do
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local w, h = v.getSize()
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if(w>width)then w = width end
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if(h>height)then h = height end
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end
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manager.updateSize(width, height, true)
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end
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else
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addFrame(1)
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end
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return manager
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end |