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Upload, store, use to the table from the official URL. V2

 
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Aylin
Grandmaster Cheater
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Joined: 16 Feb 2017
Posts: 658

PostPosted: Wed May 05, 2021 3:41 am    Post subject: Upload, store, use to the table from the official URL. V2 Reply with quote

Upload images from URL to table, store and use as needed.
It would be wise to give this a use case in this archive.
Here is an example;

Code:
if frm2 then frm2.Destroy() frm2=nil end
frm2=createForm()
frm2.Caption = "Sample load Picture"
frm2.Position = "poDesktopCenter"

local FrmImg1 = createImage(frm2)
FrmImg1.Left=20 FrmImg1.Height=100 FrmImg1.Top=40 FrmImg1.Width=120
FrmImg1.Stretch=true FrmImg1.Visible=true

local FrmImg2 = createImage(frm2)
FrmImg2.Left=180 FrmImg2.Height=100 FrmImg2.Top=40 FrmImg2.Width=120
FrmImg2.Stretch=true FrmImg2.Visible=true

local btn1=createButton(frm2)
btn1.left=110 btn1.top=190 btn1.Width=95 btn1.caption="LoadImage"

-----------------------------------------

local loadUrl = getInternet().getURL

function crtPicture(link1)
logostr22=loadUrl(link1)
local ss22=createStringStream(logostr22)
p=createPicture()
p.loadFromStream(ss22)
ss22.destroy()
return p
end

picture1 = crtPicture("http://i.hizliresim.com/g3z88z.png")
picture2 = crtPicture("http://i.hizliresim.com/77cyhu.png")

local rep=1
btn1.OnClick=function()
if rep==1 then
FrmImg2.picture=picture2
FrmImg1.picture=picture1
rep=2
else
FrmImg1.picture=picture2
FrmImg2.picture=picture1
rep=1
end
end

--#################################--
V2:
* Creates a folder on the desktop.
* Downloads pictures from url to folder.
* Checks whether the folder exists at every startup.
* If there is a folder, it does not download it again, it uses the pictures in the current folder.
* Note: If the pictures in the folder are deleted or their names are changed, the upload will start from the beginning.

Code:
if frm2 then frm2.Destroy() frm2=nil end
frm2=createForm()
frm2.Caption = "Sample load Picture"
frm2.Position = "poDesktopCenter"

local FrmImg1 = createImage(frm2)
FrmImg1.Left=20 FrmImg1.Height=100 FrmImg1.Top=40 FrmImg1.Width=120
FrmImg1.Stretch=true FrmImg1.Visible=true

local FrmImg2 = createImage(frm2)
FrmImg2.Left=180 FrmImg2.Height=100 FrmImg2.Top=40 FrmImg2.Width=120
FrmImg2.Stretch=true FrmImg2.Visible=true

local btn1=createButton(frm2)
btn1.left=110 btn1.top=190 btn1.Width=95 btn1.caption="LoadImage"

if RpTimer1 then RpTimer1.destroy() RpTimer1=nil end
RpTimer1=createTimer() RpTimer1.Interval=1000 RpTimer1.Enabled=false

--######################################################--
local pict1=""
local pict2=""
local timerIndex=0
local checkFile=1

local fd = os.getenv("USERPROFILE").."\\Desktop"
local pth22=fd..[[\PicFolder]]

function loadUrl(link)
  local int=getInternet()
  s=int.getURL(link)
  int.destroy()
  return s
end

function Path22()
os.execute([[mkdir "]]..fd..[[\PicFolder"]])
end

function pathExist(fl)
 local check = os.execute([[cd "]]..fd.."\\"..fl)
 if not check then --print("Folder doesnt exist")

checkFile=2
 timerIndex=0
 Path22()
 RpTimer1.Enabled=true
 else
 --print("Folder exist")
checkFile=1
 timerIndex=1
 RpTimer1.Enabled=true
 end
 return fl
end

function pathExist1(fl2)
 local check = os.execute([[cd "]]..fd.."\\"..fl2)
 if not check then --print("Folder doesnt exist")

checkFile=2
 timerIndex=0
 Path22()
 RpTimer1.Enabled=true
 else
 --print("Folder exist")
checkFile=1
 end
 return fl2
end

pathExist("PicFolder")

function DownImage()
FrmImg1.picture=pict2
FrmImg2.picture=pict1
end

function crtPicture(link1,file1)
logostr22=loadUrl(link1)
local ss22=createStringStream(logostr22)
p=createPicture()
if p then
p.loadFromStream(ss22)
aa=file1..".png"
aa1=p
aa1.saveToFile(pth22..'\\'..aa)
ss22.destroy()
return p
end
end

function crtPicture22(link1,name1)
pngFile=link1.."\\"..name1..".png"
--print("pngFile -- "..pngFile)
pathPng=pathExist1(pngFile)

p1=createPicture()
p1.LoadFromFile(link1)
return p1
end

function loadFile22()

if checkFile==2 then
RpTimer1.Enabled=true
else
pict1=crtPicture22(pth22..[[\pict1.png]],"pict1")
pict2=crtPicture22(pth22..[[\pict2.png]],"pict2")
RpTimer1.Enabled=true
end
end

function LoadPicture()
pict1 = crtPicture("http://i.hizliresim.com/g3z88z.png","pict1")
pict2 = crtPicture("http://i.hizliresim.com/77cyhu.png","pict2")
RpTimer1.Enabled=true
end

RpTimer1.OnTimer=function()
timerIndex=tonumber(timerIndex) + 1
--print("timerIndex "..timerIndex)
if timerIndex==1 then
LoadPicture() end
if timerIndex==2 then
loadFile22() end
if timerIndex==3 then
DownImage()
RpTimer1.Enabled=false end
end

local rep=1
btn1.OnClick=function()
if rep==1 then
FrmImg2.picture=pict2
FrmImg1.picture=pict1
rep=2
else
FrmImg1.picture=pict2
FrmImg2.picture=pict1
rep=1
end
end



See you in another useful archive.
Enjoy it. Wink
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