What is the code for each click on a button makes the image 2 times smaller in livecode?

Question

I need an easy code for a push button that makes an image 2 times smaller with each click in livecode the image is 300 width 300 height

when i click on a push button i want an image to be 2 times smaller each time , sorry I can't give any examples because I have just started learning livecode and I am new to it — Ayla, Jan 21 '20 at 20:41
on UpdateScore if field "score" > 0 then subtract 1 from field "score" remove 2 of width of image "clickMe" remove 2 of height of image "clickMe" save this stack — Ayla, Jan 21 '20 at 22:01
Don't you need a limit, to make sure that the image doesn't get too small to click on? — Mark, Jan 22 '20 at 10:41

score 1 · Answer 1 · answered Jan 21 '20 at 22:35

1

Lets say the name of your image is myImage

set the width of image "myImage" to the width of image "myImage" /2
set the height of image "myImage" to the height of image "myImage" /2

answered Jan 21 '20 at 22:35

Matthias Rebbe

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Thanks a lot for your answer . It helped so much – Ayla Jan 23 '20 at 17:16

score 1 · Answer 2 · answered Jan 21 '20 at 23:55

1

Here is one way you could do it. Create a custom command handler in your card or stack script:

command resizeImage pImgName, pResizeFactor
  set the resizeQuality of image pImgName to "good"
  set the width of image pImgName to the width of image pImgName * pResizeFactor
  set the height of image pImgName to the height of image pImgName * pResizeFactor
end resizeImage

In a button, or even in the image object script, write a mouseUp handler:

on mouseUp
  resizeImage "imageNameHere", .5
end mouseUp

Of course you would put the actual name of the image in place of "imageNameHere".

answered Jan 21 '20 at 23:55

Devin

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Thank you for your answer , it was so helpful – Ayla Jan 23 '20 at 17:16
@Ayla, please upvote answers that were helpful to you. – Devin Jan 24 '20 at 18:32

score 1 · Answer 3 · answered Jan 22 '20 at 10:39

I've checked out the older anwers and I think they forget to make sure that the image stays in the same location. I'm also adding a lock screen command. You may omit this if you think it slows down the button too much.

You can put the mouseUp handler into script of the button and the resizeImage handler anywhere higher up the message hierarchy or in the script of the button itself.

on mouseUp
  lock screen
  resizeImage the long id of img 1
  unlock screen
end mouseUp

on resizeImage theImg
  put the loc of theImg into myLoc
  set the width of theImg to the width of theImg / 2
  set the height of theImg to the height of theImg / 2
  set the loc of theImg to myLoc
end resizeName

You need to adjust the long id of img 1 to make sure it changed the size of the correct image, for instance use the long id of img id 69456 if the short id is 69456 or the long id of img "my image" if the name of the image is "my image".

That was very helpful . Thank you so much :) – Ayla Jan 23 '20 at 17:15 — Ayla, Jan 23 '20 at 17:15
Please vote for the answer to show your appreciation. – Mark Jan 24 '20 at 11:34 — Mark, Jan 24 '20 at 11:34

What is the code for each click on a button makes the image 2 times smaller in livecode?

3 Answers3