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On May 27, 2011, at 3:25 PM, Edgar Merino wrote:
> Ok, I was trying to submit the JIRA issue but I don't see any place to attach
> files, is that possible? I'm not familiar with the JIRA tracking system...
>
> El 27/05/11 12:43, Greg Brown escribió:
>> 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>
