[Xerte] FW: Transition setup?
Julian Tenney
Julian.Tenney at nottingham.ac.uk
Thu Nov 19 11:00:39 GMT 2009
OK, get the latest build.
Pages now take a transition property as well, which works the same way.
ICON has a method makeTransition(transition) which takes your string or
variable and sets up the delay - so all icons can do this.
Can you give it a good test for me please, in all combinations.
I think weird things might happen if you simultaneously try and run
transitions on both a page and one of it's children..?
From: xerte-bounces at lists.nottingham.ac.uk
[mailto:xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Dave Burnett
Sent: Wednesday, November 18, 2009 6:23 PM
To: Xerte list
Subject: RE: [Xerte] FW: Transition setup?
OK, one last thing and I'll be out of your hair.
{default_transition} works as an icon property.
But the parent erase route requires a code string:
decpage.wipe('in', 3, 'None', 'easeNone', 2);
I't'd be great if I could also use that same global var in there:
Tried
decpage.default_transition;
but no go.
________________________________
Subject: RE: [Xerte] FW: Transition setup?
Date: Wed, 18 Nov 2009 16:22:18 +0000
From: Julian.Tenney at nottingham.ac.uk
To: xerte at lists.nottingham.ac.uk
Can you wipe the parent, rather than individual icons?
Wipe is an ICON method - all of them can do it, as are the other
transitions
From: xerte-bounces at lists.nottingham.ac.uk
[mailto:xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Dave Burnett
Sent: Wednesday, November 18, 2009 4:18 PM
To: Xerte list
Subject: RE: [Xerte] FW: Transition setup?
That may kill the split second, but I can see it getting hairier the
further we go.
Then I think it would require algorithms to compute various areas vs
wipe times so they appear to wipe synchronously.
It just may be an inherent incompatibility because of the multi-asset
.vs single asset per icon difference AW <-> Xerte.
________________________________
Subject: RE: [Xerte] FW: Transition setup?
Date: Wed, 18 Nov 2009 15:52:21 +0000
From: Julian.Tenney at nottingham.ac.uk
To: xerte at lists.nottingham.ac.uk
No good then. You need a catcher function in the engine that can then
set up the delay.
From: xerte-bounces at lists.nottingham.ac.uk
[mailto:xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Dave Burnett
Sent: Wednesday, November 18, 2009 3:50 PM
To: Xerte list
Subject: RE: [Xerte] FW: Transition setup?
That works AFA wiping the entire area, but has the unfortunate
side-effect of rendering everything on screen for a split second, then
proceeding with the wipe in.
________________________________
Subject: RE: [Xerte] FW: Transition setup?
Date: Wed, 18 Nov 2009 15:33:13 +0000
From: Julian.Tenney at nottingham.ac.uk
To: xerte at lists.nottingham.ac.uk
Yes, of course it does, because your code doesn't break. Letting the
icon handle it allows the break to work, calling the function directly
doesn't. Try an interaction timer response set to 0.
From: xerte-bounces at lists.nottingham.ac.uk
[mailto:xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Dave Burnett
Sent: Wednesday, November 18, 2009 3:31 PM
To: Xerte list
Subject: RE: [Xerte] FW: Transition setup?
The torture never ends.
It now works perfectly when set as an icon transition property
{default_transition}
But if I remove that transition property and add a script icon below:
i66423.wipe('in', 3, 'None', 'easeNone', 2);
it goes back to the half-wipe behaviour.
I was trying this approach in order to synchronize wipes of multiple
icons.
So somehow those css dimensions are not broadcast.
Not to worry, I'll use the singleton properties.
Just thought I'd give you something to mull late at night. ;-)
________________________________
Subject: RE: [Xerte] FW: Transition setup?
Date: Wed, 18 Nov 2009 14:52:51 +0000
From: Julian.Tenney at nottingham.ac.uk
To: xerte at lists.nottingham.ac.uk
Yep. Same reason.
In Flash, code executes in frames. In each frame, firstly all the code
is executed, and then the display is updated, so it is possible for code
to run that needs to measure something that hasn't been drawn yet, even
though the object exists. Executing code cannot be interrupted.
Mostly it's not a problem because the properties of the object are
usually correct, even if it hasn't been drawn, but not in this case
because the CSS stuff must happen later.
I'll add that to the build - nice one.
From: xerte-bounces at lists.nottingham.ac.uk
[mailto:xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Dave Burnett
Sent: Wednesday, November 18, 2009 2:47 PM
To: Xerte list
Subject: RE: [Xerte] FW: Transition setup?
Yowza!
That seems to do the trick.
Sort of like a 0 second AW wait icon to allow vars to update.
;-)
________________________________
Subject: RE: [Xerte] FW: Transition setup?
Date: Wed, 18 Nov 2009 13:39:32 +0000
From: Julian.Tenney at nottingham.ac.uk
To: xerte at lists.nottingham.ac.uk
Give this a shot...
There's a 0 millisecond delay in there now, which will give the engine
an opportunity to come up for air. I don't have your CSS example, so
can't try that.
If it fails we'll try it with a longer delay....
From: xerte-bounces at lists.nottingham.ac.uk
[mailto:xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Dave Burnett
Sent: Wednesday, November 18, 2009 11:50 AM
To: Xerte list
Subject: RE: [Xerte] FW: Transition setup?
Thanks for all this Julian.
You're probably working on something more interesting, and I know by
experience it's a drag to re-open old code.
As soon as I get this converter tuned, I'll d/l the Xerte source and dig
into it.
Dave
________________________________
Subject: RE: [Xerte] FW: Transition setup?
Date: Wed, 18 Nov 2009 09:19:57 +0000
From: Julian.Tenney at nottingham.ac.uk
To: xerte at lists.nottingham.ac.uk
That's helpful. I'll look into it - either delay the transition by a
frame, or make sure things happen in the right order. The CSS stuff is
done automatically by the Flash Player though - it's not something the
Xerte engine messes with.
Busy this morning, I'll have a look later,
J
From: xerte-bounces at lists.nottingham.ac.uk
[mailto:xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Dave Burnett
Sent: Tuesday, November 17, 2009 11:01 PM
To: Xerte list
Subject: RE: [Xerte] FW: Transition setup?
Good thought.
Yep, that seems to function as expected.
I removed the default fontsize from the LO and the transition from the
icon itself.
Does that point to anything?
A transition applied directly to the icon is executing prior to the css
render?
________________________________
Subject: RE: [Xerte] FW: Transition setup?
Date: Tue, 17 Nov 2009 21:59:47 +0000
From: Julian.Tenney at nottingham.ac.uk
To: xerte at lists.nottingham.ac.uk
did you try running the transition using a button after the text has
rendered? Create an ad-hoc button, add a script to
iconID.wipe(...blah...) and then click it once the text has been
rendered? Does that make any difference?
________________________________
From: xerte-bounces at lists.nottingham.ac.uk on behalf of Dave Burnett
Sent: Tue 17/11/2009 17:29
To: Xerte list
Subject: RE: [Xerte] FW: Transition setup?
Excellent. Cheers!
Still wish I could figure out why the css is ignored by the transition
engine.
Setting the default font to the largest used in the piece lets the
transition function, but of course on smaller fonts it still thinks the
area is much larger.
The effect is that the same transition applied to smaller fonts appears
to move much slower. (As it is wiping a non-text area for a while before
it hits the visible text.)
It must be ignoring the css font def, and uses the default text size it
it's place.
Couldn't reproduce in Flash, and not a peep out of the Flash lists I
queried.
________________________________
Subject: RE: [Xerte] FW: Transition setup?
Date: Tue, 17 Nov 2009 09:56:07 +0000
From: Julian.Tenney at nottingham.ac.uk
To: xerte at lists.nottingham.ac.uk
OK, got it.
Download the latest build from the website.
Create a new piece.
Add script
trans = "wipe('in', 2, 'None', 'easeNone',2)" ; //so you can define
popular transitions upfront and reuse them throughout the piece
then in the transition field of the icon put {trans}
cheers,
From: xerte-bounces at lists.nottingham.ac.uk
[mailto:xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Julian Tenney
Sent: Tuesday, November 17, 2009 9:44 AM
To: Xerte discussion list
Subject: RE: [Xerte] FW: Transition setup?
Hmm. Not easy to add the variable route. Either set the icon proeprties
ahead of time, or call IconID.wipe(...) afterwards. You can call the
transitions dynamically afterwards iconID['wipe'](..blah..);
Have you tried you transition sometime after the icon has rendered? Is
it a timing issue - i.e. the tranition is being called before the screen
has updated with the textField's contents?
From: xerte-bounces at lists.nottingham.ac.uk
[mailto:xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Dave Burnett
Sent: Monday, November 16, 2009 9:27 PM
To: Xerte list
Subject: RE: [Xerte] FW: Transition setup?
Cool, but I guess that means I have to pop a script icon above each icon
I want to transition:
icon.nextSibling.attributes.transition = trans_var;
________________________________
Subject: RE: [Xerte] FW: Transition setup?
Date: Mon, 16 Nov 2009 21:15:40 +0000
From: Julian.Tenney at nottingham.ac.uk
To: xerte at lists.nottingham.ac.uk
At the minute it takes a string, but you can set what that string is:
icon.nextSibling.attributes.blah = "my value for the icon's property
when it gets parsed"
________________________________
From: xerte-bounces at lists.nottingham.ac.uk on behalf of Dave Burnett
Sent: Mon 16/11/2009 20:24
To: Xerte list
Subject: RE: [Xerte] FW: Transition setup?
Well, I asked about it in a couple Flash type places and got no
response, so I went back to brute force and discovered:
If I set the default font size on the LO to the largest I'm using in the
CSS, the transition works on all fonts that size and below.
??
and
This alters the speed of the transition. (I guess it thinks it is
dealing with that larger size font).
Which leads me to the next question:
Can I use a variable in the icon "transition" parameter?
I've tried a bunch of variations and no go.
No way to even "eval" a variable into that spot?
Dave
________________________________
Subject: RE: [Xerte] FW: Transition setup?
Date: Sat, 14 Nov 2009 21:49:43 +0000
From: Julian.Tenney at nottingham.ac.uk
To: xerte at lists.nottingham.ac.uk
I dunno.
This si what the engine does:
if (transition != undefined) {
script(this+'.'+transition, engine);
}
so that basically runs the script iconID.wipe(...blah...), which is
here:
IconID.wipe:
ICON.prototype.wipe = function(dir, duration, easing, easeType,
startPoint) {
var direction = dir == 'in' ? Transition.IN : Transition.OUT;
var tween = TransitionManager.start(this, {type:Wipe,
direction:direction, duration:duration,
easing:mx.transitions['easing'][easing][easeType],
startPoint:startPoint});
tween.mc = this;
tween.onMotionFinished = function(){
this.mc.broadcast('onMotionFinished');
}
};
After that? I haven't a clue.
I would build a very simple Flash file, recreate the situation ( a text
field in a movie clip with your styled test in, and then wipe that) and
find out if transitionManager fails even when it's not suppposed to,
before you take it any further. Take Xerte (and everything else) out of
the picture. I don't think this is a Xerte problem, as Xerte doesn't
really do much other than act to pass on the transition to the
transition manager - check the values of the parmeters getting sent?
________________________________
From: xerte-bounces at lists.nottingham.ac.uk on behalf of Dave Burnett
Sent: Sat 14/11/2009 15:19
To: Xerte list
Subject: RE: [Xerte] FW: Transition setup?
Forget the .fla, I found it in google code.
The AS is over my head, but as far as I can make out:
The transition AS files get imported.
The guts are in
Transition.as
TransitionManager.as
They seem to use getcontent() as one of the means of determining the
area to be affected. An overlay clip is built and that is what is erased
off.
So the overlay is being built to the correct size, but the erasure
function is using some other value, not completing the "wipe" of the
overlay.
Any Flashmeisters care to tell me how far off base I am before I start
fatfingering class files?
;-)
________________________________
Subject: RE: [Xerte] FW: Transition setup?
Date: Fri, 13 Nov 2009 21:23:51 +0000
From: Julian.Tenney at nottingham.ac.uk
To: xerte at lists.nottingham.ac.uk
Interesting. I'm not a big user of styles as we tend to use the default
interface.
In this situation, I would open up the XMLEngine.fla, look into how the
transition works, put some debug statements in there and see what things
look like as it runs, and see what I can figure out...
________________________________
From: xerte-bounces at lists.nottingham.ac.uk on behalf of Dave Burnett
Sent: Fri 13/11/2009 17:34
To: Xerte list
Subject: [Xerte] FW: Transition setup?
Gaa.
I found it.
Plain text works fine.
Text tagged with html tags works fine.
However, if I use a CSS style tag, the transition only covers the area
where text would have been without any formatting e.g. the default text
face/size.
Reproducible?
Dave
________________________________
From: d_b_burnett at hotmail.com
To: xerte at lists.nottingham.ac.uk
Subject: Transition setup?
Date: Fri, 13 Nov 2009 08:19:17 -0500
First crack at transitions.
Text icon, transition property added.
wipe('in', 1, 'None', 'easeNone', 2);
(the Help file example)
Transition reveals 3/4 of text block then halts.
Tried a few variations, other transitions, same result.
??
Dave
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