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How to change picture with click of the button?

 
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Razi
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PostPosted: Thu Mar 14, 2019 2:58 am    Post subject: How to change picture with click of the button? Reply with quote

How to change picture with click of the button?
3 pictures added with Table menu add an image file. Table created:
Code:
local picturestbl = { [1] = 'pict-1.gif', [2] = 'pict-2.gif', [3] = 'pict-3.gif' }

How to change pictures with 2 buttons in the CEImage1? If CEButton1 is clicked, then show pict-1.gif, if CEButton2 is clicked, then show pict-2.gif.
How to change pictures with 2 buttons in the UDF1 form with same way?
Can you make a .CT file for example?
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Corroder
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PostPosted: Thu Mar 14, 2019 4:13 am    Post subject: This post has 1 review(s) Reply with quote

Code:
picturestbl = {
{p_img='pict-1.gif'},
{p_img='pict-2.gif'},
{p_img='pict-3.gif'}
}

UDF1.CEImage1.Visible = false

function picShow(sender)
 if sender.Name == 'CEButton1' then
 index = picturestbl[1]
 UDF1.CEImage1.Visible = true
 UDF1.CEImage1.Picture.loadFromStream(findTableFile(index.p_img).Stream)
 elseif sender.Name == 'CEButton2' then
 index = picturestbl[2]
 UDF1.CEImage1.Visible = true
 UDF1.CEImage1.Picture.loadFromStream(findTableFile(index.p_img).Stream)
 elseif sender.Name == nil then
 UDF1.CEImage1.Visible = false
 end
end

UDF1.Show()
UDF1.CEButton1.onClick = picShow
UDF1.CEButton2.onClick = picShow


The form made as shown on attaching pictures :

Btw, how if you have 100 pictures ?. should we make 100 buttons on the form? Very Happy Shocked Laughing



Capture.JPG
 Description:
Form and CEButton1 on click
 Filesize:  27.83 KB
 Viewed:  793 Time(s)

Capture.JPG



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Aylin
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PostPosted: Thu Mar 14, 2019 4:22 am    Post subject: Re: How to change picture with click of the button? This post has 1 review(s) Reply with quote

Razi wrote:
How to change picture with click of the button?
3 pictures added with Table menu add an image file. Table created:
Code:
local picturestbl = { [1] = 'pict-1.gif', [2] = 'pict-2.gif', [3] = 'pict-3.gif' }

How to change pictures with 2 buttons in the CEImage1? If CEButton1 is clicked, then show pict-1.gif, if CEButton2 is clicked, then show pict-2.gif.
How to change pictures with 2 buttons in the UDF1 form with same way?
Can you make a .CT file for example?


CE still does not support .gif.
You should create a gif with the help of the following code.
How to:
1) .CT "Add File" (create gifi: split into .png and upload to CT)
2) Set picture names: (Example: There are 9 pictures ..
Names: frame_001 .. frame_002 .. frame_003 .. frame_009 etc. )
3) Process the image numbers in the code: For gif1: "for i = 1,9 do"
Example for gif2: "for i = 10,18 do"
4) Give ButtonClick approvals: "gif1.image.stretch = false
   gif1.image.Visible = false "or gif2 etc.



Code:
function createGIF(form, width, top, frames, doCenter)
    ---- ImageGIF Code Creator: FreeER  and Corroder Thanks to +1 Rep..
    -------------------------------------------------------
    local pics={}
    for _,frame in pairs(frames) do
      local pic
      if frame.ClassName == 'TMemoryStream' then
        pic = createPicture()
        pic.loadFromStream(frame)
      else -- first try to load as a tableFile then as a filepath
        local file = findTableFile(frame)
        if file then
          pic = createPicture()
          pic.loadFromStream(file.Stream)
        else
          -- loadFromFile doesn't report success, nor does the Picture object
          -- have a way to check, so do it ourselves first.
          local function file_exists(name)
             local f=io.open(name,"r")
             if f~=nil then io.close(f) return true else return false end
          end
          if file_exists(frame) then
            pic = createPicture()
            pic.loadFromFile(frame)
          end
        end
      end
      -- if successfully loaded then add it
      if pic then pics[#pics+1] = pic end
    end

    -- if we failed to load any frames
    if #frames ~= 0 and #pics == 0 then return nil end

    pics.currentPicture = 1

    local mImage = createImage(form)
    mImage.width = width
    mImage.top = top
    mImage.height = form.height
    if doCenter then
      mImage.left = (form.width-mImage.width) / 2
    end
    --mImage.stretch = true

    local gif = {}
    gif.image = mImage
    gif.pics = pics
    gif.next = function()
      pics.currentPicture = (pics.currentPicture % #pics) + 1
      mImage.Picture = pics[pics.currentPicture]
    end

    gif.timer = createTimer(mImage)
    gif.timer.Interval = 3500 / #gif.pics -- frames per second
    gif.timer.OnTimer = function(sender) gif.next() end
    return gif
end

local frameNameFormat = 'frame_%03d.png'
-- create a gif with frames 1-14, dual flames
local t = {}
for i=1,14 do
  t[i] = findTableFile(frameNameFormat:format(i)).Stream
end
gif1 = createGIF(UDF1, UDF1.width, 200, t, true)

-- create a gif with frames 21-38, rainbowy explosion
local t = {}
for i=15,29 do
  t[#t+1] = findTableFile(frameNameFormat:format(i)).Stream
end
gif2 = createGIF(UDF2, 30, 30, t, true)

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

function CEButton2Click(sender)
  gif1.image.stretch = false
  gif2.image.stretch = false
  gif1.image.Visible = false
  gif2.image.Visible = false
end
function CEButton1Click(sender)
  gif1.image.stretch = true
  gif1.image.Visible = true
end

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Razi
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PostPosted: Thu Mar 14, 2019 12:18 pm    Post subject: Reply with quote

@Corroder: Thank you

Is it possible to improve the following code?

Code:
picturestbl = {
{p_img='pict-1.gif'},
{p_img='pict-2.gif'},
{p_img='pict-3.gif'},
{p_img='pict-4.gif'},
{p_img='pict-5.gif'},
{p_img='pict-6.gif'},
{p_img='pict-7.gif'}
}

UDF1.CEImage1.Visible = false
UDF1.CEImage2.Visible = false
UDF1.CEImage3.Visible = false
UDF1.CEImage4.Visible = false
UDF1.CEImage5.Visible = false
UDF1.CEImage6.Visible = false
UDF1.CEImage7.Visible = false
UDF1.CEImage8.Visible = false
UDF1.CEImage9.Visible = false
UDF1.CEImage10.Visible = false
UDF1.CEImage11.Visible = false
UDF1.CEImage12.Visible = false
UDF1.CEImage13.Visible = false
UDF1.CEImage14.Visible = false
UDF1.CEImage15.Visible = false
UDF1.CEImage16.Visible = false

function picShow()
for x = 1, 16 do
local offset1 = (x-1) % 8
  local offset11 = 0x84*((x-1) // 8)
  local equippedwpn = readBytes(0x009E8640+offset11)
  local offset2 = 0x2C*equippedwpn
  local valuemat = readBytes(0x009BF7C0+offset1+offset2)

 if valuemat == 1 then
 index = picturestbl[1]
 UDF1['CEImage'..x].Visible = true
 UDF1['CEImage'..x].Picture.loadFromStream(findTableFile(index.p_img).Stream)
 elseif valuemat == 2 then
 index = picturestbl[2]
 UDF1['CEImage'..x].Visible = true
 UDF1['CEImage'..x].Picture.loadFromStream(findTableFile(index.p_img).Stream)
 elseif valuemat == 3 then
 index = picturestbl[3]
 UDF1['CEImage'..x].Visible = true
 UDF1['CEImage'..x].Picture.loadFromStream(findTableFile(index.p_img).Stream)
 elseif valuemat == 5 then
 index = picturestbl[5]
 UDF1['CEImage'..x].Visible = true
 UDF1['CEImage'..x].Picture.loadFromStream(findTableFile(index.p_img).Stream)
 elseif valuemat == 6 then
 index = picturestbl[6]
 UDF1['CEImage'..x].Visible = true
 UDF1['CEImage'..x].Picture.loadFromStream(findTableFile(index.p_img).Stream)
 elseif valuemat == 7 then
 index = picturestbl[7]
 UDF1['CEImage'..x].Visible = true
 UDF1['CEImage'..x].Picture.loadFromStream(findTableFile(index.p_img).Stream)
 elseif valuemat == 0 then
 UDF1['CEImage'..x].Visible = false
 elseif valuemat == nil then
 UDF1['CEImage'..x].Visible = false
 end
 end
end

UDF1.Show()
UDF1.CEButton1.onClick = picShow
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Corroder
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PostPosted: Thu Mar 14, 2019 7:40 pm    Post subject: Reply with quote

Code:
Is it possible to improve the following code?


1. You have 7 pictures on the table but make 16 CEImage objects. Are you sure need 16 images on your form?

2. This code

Code:
 for x = 1, 16 do
   local offset1 = (x-1) % 8
   local offset11 = 0x84*((x-1) // 8)
   local equippedwpn = readBytes(0x009E8640+offset11)
   local offset2 = 0x2C*equippedwpn
   local valuemat = readBytes(0x009BF7C0+offset1+offset2)
   ..
   .. 
 end


Are you sure 'valuemat' value contains the number 1 to 7 ?. Not numbers with a decimal point or string or others except an integer?

If yes, then perhaps change to something like this :

Code:
for x = 1, 16 do
  local offset1 = (x-1) % 8
  local offset11 = 0x84*((x-1) // 8)
  local equippedwpn = readBytes(0x009E8640+offset11)
  local offset2 = 0x2C*equippedwpn
  local valuemat = readBytes(0x009BF7C0+offset1+offset2)
  index = picturestbl[valuemat]
  UDF1.CEImage1.Visible = true
  UDF1.CEImage1.Picture.loadFromStream(findTableFile(index.p_img).Stream)
  ..
  .. 
 end


Anyhow, I still doubt if need a looping by use for...end.

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Razi
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PostPosted: Fri Mar 15, 2019 3:41 am    Post subject: Reply with quote

Corroder wrote:

1. You have 7 pictures on the table but make 16 CEImage objects. Are you sure need 16 images on your form?
2.Are you sure 'valuemat' value contains the number 1 to 7 ?. Not numbers with a decimal point or string or others except an integer?
Anyhow, I still doubt if need a looping by use for...end.

1. The form should have 144 CEImage objects.
2. The 'valuemat' value always contains a number from 0 to 7, if the address contains a value 1-7, then this is a picture, if the address contains a value of 0, then there is no picture.
The following code works correctly. Thanks for the help.
Code:
picturestbl = {
{p_img='pict-1.gif'},
{p_img='pict-2.gif'},
{p_img='pict-3.gif'},
{p_img='pict-4.gif'},
{p_img='pict-5.gif'},
{p_img='pict-6.gif'},
{p_img='pict-7.gif'}
}

for x = 1, 16 do
UDF1['CEImage'..x].Visible = false
end

function picShow()
 for x = 1, 16 do
 UDF1['CEImage'..x].Visible = false
 local offset1 = (x-1) % 8
 local offset11 = 0x84*((x-1) // 8)
 local equippedwpn = readBytes(0x009E8640+offset11)
 local offset2 = 0x2C*equippedwpn
 local valuemat = readBytes(0x009BF7C0+offset1+offset2)

 if valuemat > 0 then
 index = picturestbl[valuemat]
 UDF1['CEImage'..x].Visible = true
 UDF1['CEImage'..x].Picture.loadFromStream(findTableFile(index.p_img).Stream)
 elseif valuemat == 0 then
 UDF1['CEImage'..x].Visible = false
 elseif valuemat == nil then
 UDF1['CEImage'..x].Visible = false
 end
 end
end

UDF1.Show()
UDF1.CEButton1.onClick = picShow


Can we put or draw two pictures in one CEImage1 and place them in different places? (Something like a combination of pictures in one CEImage1)
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Corroder
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PostPosted: Sat Mar 16, 2019 1:50 am    Post subject: Reply with quote

Quote:
Can we put or draw two pictures in one CEImage1 and place them in different places? (Something like a combination of pictures in one CEImage1)


Maybe, need to know how to fill canvas drawn by a stream image file.
Something like 'Canvas.Brush / Canvas.fillRect / etc'

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