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https://github.com/Kiritow/OpenComputerScripts.git
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new ui library with new GPU drivers
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parent
847b9e439e
commit
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197
libKGui.lua
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197
libKGui.lua
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-- LibKGui - Kirito's GUI Library
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-- Author: Github/Kiritow
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require("libevent")
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require("libgpu")
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local event=require("event")
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local function copy_fn(tbClass,new_obj)
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for k,v in pairs(tbClass) do
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if(type(v)=="function") then
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new_obj[k]=v
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end
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end
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return new_obj
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end
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local function Point(x,y)
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return {x=x,y=y}
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end
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local function Rect(x,y,w,h)
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return {x=x,y=y,w=w,h=h}
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end
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local function PointInRect(point,rect)
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if(point.x>=rect.x and
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point.y>=rect.y and
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point.x<=rect.x+rect.w and
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point.y<=rect.y+rect.h) then return true
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else return false end
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end
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-- Event callbacks
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-- return true to shutdown framework
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-- Widget.onclick(this,event)
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-- Widget.update(this,gpu): draw and update
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Button=
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{
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new=function(text,x,y,w,h)
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local t={}
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t.x=x or 1
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t.y=y or 1
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t.w=w or 10
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t.h=h or 2
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t.text=text or "Button"
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t.hidden=false
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t.border=0
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t.bordercolor=0xFFFFFF
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t.bcolor=0xFFFFFF
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t.fcolor=0x0
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return copy_fn(Button,t)
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end,
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update=function(this,gpu)
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if(not this.hidden) then
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gpu:pushall(this.fcolor,this.bcolor)
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gpu:fill(this.x,this.y,this.w,this.h," ")
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gpu:set(this.y,this.x,this.text)
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gpu:popall()
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end
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end
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}
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ProgressBar=
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{
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new=function(x,y,w,h)
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local t={}
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t.x=x or 1
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t.y=y or 1
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t.w=w or 15
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t.h=h or 1
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t.hidden=false
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t.percent=0.3
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t.bcolor=0x0 -- 70% part
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t.fcolor=0xFFFFFF -- 30% part
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return copy_fn(ProgressBar,t)
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end,
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update=function(this,gpu)
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if(not this.hidden) then
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gpu:pushall(this.bcolor,this.bcolor)
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gpu:fill(this.x,this.y,this.w,this.h," ")
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gpu:setfg(this.fcolor)
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gpu:setbg(this.fcolor)
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gpu:fill(this.x,this.y,this.w*this.percent,this.h," ")
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gpu:popall()
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end
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end
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}
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Framework=
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{
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new=function()
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local t={}
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t.widgets={}
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t.listeners={}
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return copy_fn(Framework,t)
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end,
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add=function(this,new_widget)
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if(new_widget._framework) then
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return false,"widget already in other framework"
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end
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for k,v in pairs(this.widgets) do
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if(v==new_widget) then
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return false,"widget already added"
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end
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end
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table.insert(this.widgets,new_widget)
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new_widget._framework=this
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return true
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end,
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del=function(this,target)
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if((not target._framework) or target._framework~=this) then
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return false,"Widget not associated to this framework"
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end
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for k,v in pairs(this.widgets) do
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if(v==target) then
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table.remove(this.widgets,k)
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target._framework=nil
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return true
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end
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end
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return false,"widget not in list"
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end,
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run=function(this)
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for k,v in pairs(this.listeners) do
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print("Cleaning event listener:",v)
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RemoveEventListener(v)
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end
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if(#this.widgets<1) then
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print("no widgets in set. stopped")
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return
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end
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local gpu=GetGPU()
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for k,v in pairs(this.widgets) do
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v:update(gpu)
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end
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this.listeners={
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AddEventListener("touch",
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function(event)
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local point=Point(event.x,event.y)
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for k,v in pairs(this.widgets) do
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if( v.onclick
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and PointInRect(point,Rect(v.x,v.y,v.w,v.h))
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) then
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local need_update,make_stop=v:onclick(e)
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if(need_update) then
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v:update(gpu)
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end
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if(make_stop) then
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PushEvent("framework_stop")
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break
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end
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end
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end
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end
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),
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AddEventListener("key_down",
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function(event)
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for k,v in pairs(this.widgets) do
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if(v.onkeydown) then
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local need_update,make_stop=v:onkeydown(e)
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if(need_update) then
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v:update(gpu)
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end
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if(make_stop) then
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PushEvent("framework_stop")
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break
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end
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end
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end
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end
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)
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}
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print("Framework started.")
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WaitEvent("framework_stop")
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print("About to stop framework...")
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for k,v in pairs(this.listeners) do
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print("Cleaning event listener:",v)
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RemoveEventListener(v)
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end
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end
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}
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25
libgpu.lua
25
libgpu.lua
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@ -3,11 +3,20 @@
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local component=require("component")
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-- y is line, x is col
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local function GPUClear(t)
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local w,h=t.gpu.getResolution()
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t.gpu.fill(1,1,w,h," ")
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end
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local function GPUFill(t,x,y,w,h,char_str)
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if(string.len(char_str)>1) then
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char_str=string.sub(char_str,1,1)
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end
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t.gpu.fill(x,y,w,h,char_str)
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end
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local function GPUSet(t,line,col,str)
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t.gpu.set(col,line,str)
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end
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@ -32,6 +41,7 @@ local function GPUGetColorBG(t)
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return t.gpu.getBackground()
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end
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-- Store current fg, then set fg to rgb
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local function GPUPushFG(t,rgb)
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t.fgstk[t.fgstk.n+1]=t:getfg()
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t.fgstk.n=t.fgstk.n+1
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@ -56,8 +66,18 @@ local function GPUPopBG(t)
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t.bgstk.n=t.bgstk.n-1
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end
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local function GPUPushAll(t,fg_rgb,bg_rgb)
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GPUPushFG(t,fg_rgb)
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GPUPushBG(t,bg_rgb)
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end
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local function GPUPopAll(t)
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GPUPopBG(t)
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GPUPopFG(t)
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end
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-- API
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function GetGPU()
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function GetGPU(addr)
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if(component.list("gpu")==nil) then
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error("No GPU Found.")
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else
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@ -66,6 +86,7 @@ function GetGPU()
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t.clear=GPUClear
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t.set=GPUSet
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t.get=GPUGet
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t.fill=GPUFill
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t.setfg=GPUSetColorFG
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t.getfg=GPUGetColorFG
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t.setbg=GPUSetColorBG
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@ -76,6 +97,8 @@ function GetGPU()
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t.popfg=GPUPopFG
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t.pushbg=GPUPushBG
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t.popbg=GPUPopBG
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t.pushall=GPUPushAll
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t.popall=GPUPopAll
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return t
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end
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end
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