Thanks, Scott, for your ideas. After some experimentation, I came up
with a solution that works smoothly:
Set the liveResizing of the stack to true. Include in the stack script:
on resizeStack pOldWdth,pOldHgt,pNewWdth,pNewHgt
# maintain 4:3 ratio
put the topLeft of this stack into tAnchorPnt
if abs(pNewWdth - pOldWdth) > abs(pNewHgt - pOldHgt) then
set the width of this stack to (pNewHgt * 4) div 3
else
set the height of this stack to (pNewWdth * 3) div 4
end if
set the topLeft of this stack to tAnchorPnt
end resizeStack
Devin
On Apr 4, 2006, at 9:23 AM, Devin Asay wrote:
I have a stack that I want to constrain to a 4:3 ratio when
resizing, with a minimum stack size of 800 X 600. A search of the
archives didn't yield any relevant results.
If I do this (in the resizeStack handler):
put the topLeft of this stack into tAnchorPnt
set the height of this stack to (pNewWdth * 3) div 4
set the topLeft of this stack to tAnchorPnt
it works as long as my drag on the resize gadget has a horizontal
component.
Likewise, this works:
put the topLeft of this stack into tAnchorPnt
set the width of this stack to (pNewHgt * 4) div 3
set the topLeft of this stack to tAnchorPnt
as long as there is a vertical component to the drag.
This:
put the topLeft of this stack into tAnchorPnt
if pNewWdth <> pOldWdth then
set the height of this stack to (pNewWdth * 3) div 4
else
set the width of this stack to (pNewHgt * 4) div 3
end if
set the topLeft of this stack to tAnchorPnt
Just produces bizarre results.
Any suggestions for my humanities-addled, math-challenged brain?
Devin Asay
Humanities Technology and Research Support Center
Brigham Young University
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