OK, it would probably help if you could submit a JIRA issue with a small sample
app that reproduces the problem.
On May 27, 2011, at 1:36 PM, Edgar Merino wrote:
> I'm sorry, I was using System.out.println and not breakpoints. I increased
> the duration to 400, rate to 28 but it gets even worse, it seems like having
> a smaller duration helps a bit, but I can still reproduce the bug.
>
> El 27/05/11 07:26, Greg Brown escribió:
>> Try using System.out() to log progress. If you set a breakpoint, your
>> transition will almost certainly complete while you are stepping through
>> code. Also try extending the transition duration since that will give you a
>> larger data set.
>>
>> On May 26, 2011, at 9:15 PM, Edgar Merino wrote:
>>
>>> Hello, I've been trying to fix a bug I just found using Transitions and
>>> ComponentMouseListeners. You can take, for example, the ScaleTransition I
>>> just submitted to the dev mailing list, although this should apply to any
>>> transition.
>>>
>>> For this example, I'll use the ScaleTransition in a ComponentMouseListener,
>>> as follows:
>>>
>>>
>>> import java.util.Arrays;
>>> import java.util.Collection;
>>> import org.apache.pivot.wtk.Component;
>>> import org.apache.pivot.wtk.ComponentMouseListener;
>>>
>>> public class ZoomComponentMouseListener implements ComponentMouseListener {
>>>
>>> private ScaleTransition scaleTransition = new ScaleTransition();
>>>
>>> public ZoomComponentMouseListener(Component targetComponent) {
>>> scaleTransition.addComponent(targetComponent);
>>> }
>>>
>>> public boolean mouseMove(Component component, int x, int y) {
>>> return false;
>>> }
>>>
>>> public void mouseOver(Component component) {
>>> if (scaleTransition.isRunning()) {
>>> scaleTransition.reverse();
>>> } else {
>>> scaleTransition.setReversed(false);
>>> scaleTransition.start();
>>> }
>>> }
>>>
>>> public void mouseOut(Component component) {
>>> if (scaleTransition.isRunning()) {
>>> scaleTransition.reverse();
>>> } else {
>>> scaleTransition.setReversed(true);
>>> scaleTransition.start();
>>> }
>>> }
>>>
>>> public void setZoom(float zoom) {
>>> scaleTransition.setZoom(zoom);
>>> }
>>> }
>>>
>>>
>>> When this listener is attached to a Component, like an ImageView for
>>> example, if you get through the ImageView quickly with the mouse pointer
>>> and then cross it again quickly, the method Transition#getPercentComplete
>>> will get screwed, the second time the transition is started
>>> getPercentComplete will report 1 when it should report 0. I've tested this
>>> many times, before calling Transition#start, getPercentComplete reports 0,
>>> when calling start and checking the value of getPercentComplete from the
>>> Transition#update method it reports 1.
>>>
>>> I've got no clue on what's happening here, placing a breakpoint inside the
>>> Transition#start method reports currentTime - startTime == 0, but checking
>>> again when it gets to the Transition#update method currentTime - startTime
>>> == 1.
>>>
>>> Perhaps I've anticipated on saying this is a bug for Transitions, perhaps
>>> is my code what's causing problems, but I just don't have a clue on how to
>>> fix this.
>>>
>>> Please, if anybody's able to reproduce this, let me know so we can find a
>>> solution. I've attached the ScaleTransition here in case there are users
>>> not subscribed to the dev mailing list.
>>>
>>> Thanks in advance!
>>> Edgar Merino
>>> <ScaleTransition.java>
