Thanks Folks for the quick help.
Now I am able to get the height and width of an image
using ImagePreloader class, but when I refresh it, the
height and width are reported as 0.
Let me breifly explain what I face. Am using a global
variable to store the height and width of an image.
But looks like this global variable doesnt store it
when I use it in recursive functions. As a developer I
would expect a global variable to be available for all
the functions inside a javascript file though am using
it in recursive functions as well. Is this expected in
javascript?
Eg. sample.js
var preloader;
var origHeight;
var origWidth;
function A()
{
preloader = new
qx.io.image.Preloader("CHASSIS-M7I-FRONT.PNG");
origHeight = preloader.getHeight();
origWidth = preloader.getWidth();
B(5);
}
function B(var count)
{
alert(origHeight);
alert(origWidth);
if(count == 0)
return;
else
B(--count);
return;
}
Here I get the correct origHeight and origWidth for
the first time. But as the variables enter into
recursive functions, it doesnt seem to alert the
correct values. I tried alerting
'preloader.getHeight()' and 'preloader.getWidth()'
inside the recursive function. But the same effect(I
always get 0 for height and width).
Also I tried using
qx.manager.object.ImagePreloaderManager.getInstance().create()
call, facing similar issue.
Any clarifications?
Regards
Balaji
--- Sebastian Werner <[EMAIL PROTECTED]>
wrote:
> You can alternatively use the ImagePreloader class.
> After the image has
> been loaded this class can tell you the dimensions.
>
> Sebastian
>
>
> kumar balaji schrieb:
> > Hello,
> > Am very young to QooxDoo and I need some
> information
> > about finding out the width of an image.
> >
> > for eg, lets say I have defined a variable
> imagePlot
> > as a basic image.
> > var imagePlot = new
> qx.ui.basic.Image("MyPic.PNG");
> >
> > After this, If I say
> > 'alert(imagePlot.getWidthValue())' or
> > 'alert(imagePlot.getHeightValue())', it always
> returns
> > 0, whereby am expecting the width and height of
> the
> > image.
> > imagePlot.getWidth() and imagePlot.getHeight()
> returns
> > 'auto'. what does that mean?
> >
> > Is there any methods defined to compute height and
> > width of an image? Can anybody clarify me?
> >
> > Regards
> > Balaji
> >
> >
> >
> >
>
____________________________________________________________________________________
> > We won't tell. Get more on shows you hate to love
> > (and love to hate): Yahoo! TV's Guilty Pleasures
> list.
> > http://tv.yahoo.com/collections/265
> >
> >
>
-------------------------------------------------------------------------
> > This SF.net email is sponsored by DB2 Express
> > Download DB2 Express C - the FREE version of DB2
> express and take
> > control of your XML. No limits. Just data. Click
> to get it now.
> > http://sourceforge.net/powerbar/db2/
> > _______________________________________________
> > qooxdoo-devel mailing list
> > [email protected]
> >
>
https://lists.sourceforge.net/lists/listinfo/qooxdoo-devel
>
>
>
-------------------------------------------------------------------------
> This SF.net email is sponsored by DB2 Express
> Download DB2 Express C - the FREE version of DB2
> express and take
> control of your XML. No limits. Just data. Click to
> get it now.
> http://sourceforge.net/powerbar/db2/
> _______________________________________________
> qooxdoo-devel mailing list
> [email protected]
>
https://lists.sourceforge.net/lists/listinfo/qooxdoo-devel
>
__________________________________________________
Do You Yahoo!?
Tired of spam? Yahoo! Mail has the best spam protection around
http://mail.yahoo.com
-------------------------------------------------------------------------
This SF.net email is sponsored by DB2 Express
Download DB2 Express C - the FREE version of DB2 express and take
control of your XML. No limits. Just data. Click to get it now.
http://sourceforge.net/powerbar/db2/
_______________________________________________
qooxdoo-devel mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/qooxdoo-devel
