Merci beaucoup Eric !

Well I found a way to combine the GM and scripting (I read your tutorial...)

Well, I think the GM is good enough for minor use / basic things... and scripting stays the best way...



Greets,

Christian




Début du message réexpédié :

De : Eric Chatonet <[EMAIL PROTECTED]>
Date : 18 avril 2007 15:47:47 GMT+02:00
À : How to use Revolution <use-revolution@lists.runrev.com>
Objet : Rép : scaling and positioning proportionally an object at the same time
Répondre à : How to use Revolution <use-revolution@lists.runrev.com>

Bonjour Christian,

Le 18 avr. 07 à 15:18, Christian Langers a écrit :

Hello,

I try since hours to do this :

I have an image (photo) on a stack which scales to the right and down on resizing the stack (via Geometry Manager); I have a graphic (rectangle) placed at a precise location on the image (the user selects a portion of the image to hilite something on it);

Now I want that when the user resizes the window the graphic scales and moves (up/down) proportionaly to the image , so that the rectangle grows and shrinks with the image hiliting always the same portion of the image (e.g. an eye of a face); I hope you follow (it's difficult to explain this in English)...

I tried to use the GM in REv, but ...brrr... the graphic jumps away from its original position when resizing...
So... please ! Heeeelp... This is getting me on my nerves ;-)
Thanks for any suggestions or solutions...

Christian
from Luxembourg

Actually don't trust the Geometry Manager and prefer to write your own routines in a resizeStack handler ;-)
Here is, for instance, an excerpt from such a handler:

on resizeStack pNewW,pNewH,pOldW,pOldH -- note params passed by Rev ;-)
  global gPrefs
  -----
if gPrefs["uAdds"] then ProportionalWResize the long name of img "ToolbarShadow",pNewW,114 else ProportionalWResize the long name of img "ToolbarShadow",pNewW,0
  pass resizeStack
end resizeStack

And:

on ProportionalWResize pObj,pNewW,pDelta
  local tRect
  -----
  put the rect of pObj into tRect
  put pNewW - pDelta into item 3 of tRect
  set the rect of pObj to tRect
end ProportionalWResize

Of course, the above example is simple and, sometimes, it might appear more tricky... But actually, Rev allows to script any complex resizing in any case ;-)
Good luck!

Best regards from Paris,
Eric Chatonet.
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