Hi , yes ; with theses options it works ! but what that means ? so it not a bug ?
2017-04-11 18:46 GMT+02:00 Sergey Bylokhov <sergey.bylok...@oracle.com>: > Hi, Patrick. > Can you please run the code using these options: > -Dsun.java2d.xrender=true > -Dsun.java2d.xrender=false > -Dsun.java2d.opengl=true > -Dsun.java2d.opengl=false > > > > After tests it seems that the problem doesn't come from Timer , but > the repaint() method , > > > even with this code the bug is here. > the bug is on Linux. > > 2017-04-11 11:07 GMT+02:00 Walter Laan <wl...@costengineering.eu>: > >> Note that the example code in JDK-8178091 sleeps on the EDT, so you’re >> lucky it paints at all instead of hanging the UI. >> >> >> >> It looks like you adapted the code from http://codereview.stackexchang >> e.com/questions/29630/simple-java-animation-with-swing where no-one >> experienced with Swing pointed out this error L. >> >> >> >> Using a javax.swing.Timer (not the java.util.Timer!) and it runs okay >> (using Win10, Java 8u101): >> >> >> >> *private* *void* go() { >> >> >> >> *new* Timer(10, *new* ActionListener() { >> >> // *Les* *coordonnées* *de* *départ* *de* *notre* *rond* >> >> *private* *int* x = pan.getPosX(), y = pan.getPosY(); >> >> // *Le* *booléen* pour *savoir* *si* l'on *recule* *ou* non >> *sur* l'axe x >> >> *private* *boolean* backX = *false*; >> >> // *Le* *booléen* pour *savoir* *si* l'on *recule* *ou* non >> *sur* l'axe y >> >> *private* *boolean* backY = *false*; >> >> >> >> @Override >> >> *public* *void* actionPerformed(ActionEvent e) { >> >> // *Si* *la* *coordonnée* x est *inférieure* à 1, on >> *avance* >> >> *if*(x < 1) { >> >> backX = *false*; >> >> } >> >> // *Si* *la* *coordonnée* x est *supérieure* à *la* >> *taille* *du* *Panneau* *moins* *la* *taille* *du* *rond*, on *recule* >> >> *if*(x > pan.getWidth() - 50) { >> >> backX = *true*; >> >> } >> >> // *Idem* pour l'axe y >> >> *if*(y < 1) { >> >> backY = *false*; >> >> } >> >> *if*(y > pan.getHeight() - 50) { >> >> backY = *true*; >> >> } >> >> >> >> // *Si* on *avance*, on *incrémente* *la* *coordonnée* >> >> // backX est *un* *booléen*, *donc* !backX *revient* à >> *écrire* >> >> // if (backX == false) >> >> *if*(!backX) { >> >> pan.setPosX(++x); >> >> // *Sinon*, on *décrémente* >> >> } >> >> *else* { >> >> pan.setPosX(--x); >> >> } >> >> // *Idem* pour l'axe Y >> >> *if*(!backY) { >> >> pan.setPosY(++y); >> >> } >> >> *else* { >> >> pan.setPosY(--y); >> >> } >> >> >> >> // On *redessine* *notre* *Panneau* >> >> pan.repaint(); >> >> } >> >> }).start(); >> >> } >> >> >> >> Hope that helps, >> >> Walter. >> >> >> >> *From:* swing-dev [mailto:swing-dev-boun...@openjdk.java.net] *On Behalf >> Of *Patrick Chen >> *Sent:* maandag 10 april 2017 12:23 >> *To:* swing-dev@openjdk.java.net >> *Subject:* Re: <Swing Dev> JDK-8178091 : Bug I will workin on >> >> >> >> (edit : for example this game coded in java : >> https://github.com/cloudStrif/GoldenSunD will work with java 7 >> >> but clearly not with java8 (linux 64 bits) because of lags) >> >> >> >> 2017-04-10 12:19 GMT+02:00 Patrick Chen <chen.j.patr...@gmail.com>: >> >> Hi every one , >> >> just wanted to inform that I am working to fix this bug. >> >> >> >> it is when we devellop animations thanks to repaint() method , >> >> for java 7 it works well >> >> but with java8 not , >> >> (linux 64 bits it doesn't really work ) >> >> >> >> so after watching the source code it seem that it is not a swing problem >> >> but AWT : Component.java . >> >> >> >> thank you >> >> >> >> >> >> >> > > >
