repaintmanager

问题 i am trying to use clip to reduce the cpu load. but the clip leaves some garbage on the screen that i can not seem to get rid of. also, turning clipping on and off seems to have no effect on the cpu load. in either case. most of the time seems to be spent in the repaint manager and paint buffered image. import static java.lang.Math.*; import static java.awt.Color.*; import java.awt.*; import java.awt.event.*; import java.awt.geom.*; import java.awt.image.*; import java.lang.reflect

问题 i am trying to use clip to reduce the cpu load. but the clip leaves some garbage on the screen that i can not seem to get rid of. also, turning clipping on and off seems to have no effect on the cpu load. in either case. most of the time seems to be spent in the repaint manager and paint buffered image. import static java.lang.Math.*; import static java.awt.Color.*; import java.awt.*; import java.awt.event.*; import java.awt.geom.*; import java.awt.image.*; import java.lang.reflect

问题 Invoke javax.swing.Timer#start() same time, 7u25 is not problem. but 7u40 is big problem. Too laggy invoke ActionListener#actionPerformed. (basically same time invoke u25) Totally different move between u25 and u40. (I use Windows 8) I bug report but still not add bug tracking system. Oracle crushing swing apps? import java.awt.*; import java.awt.event.*; import javax.swing.*; public class TimerProblem extends JComponent { int red = 0; TimerProblem(final long startMs) { setPreferredSize(new

问题 In connection with my question ( may be ), I found another exception type that I not able to catch and print-out from SwingWorker thread. How can I to generate RepaintManager exceptions? I read this CheckThreadViolationRepaintManager and this approach by Alexander Potochkin , but nothing seems to solve my issues. 回答1: If it helps, the example below throws prints multiple variations of the following Exception , mostly for each phase of the frame's UI delegate initialization. I used