javafx - JavaFx2 OutOfMemoryError:Java heap space -
i creat simple javafx application fxml , css in order change ui theme @ runtime. there 3 button , 1 label in scene. define different css label , "-fx-background-image"(png format, size 1.23m) borderpane in css file. application can switch ui theme click "style" button. mem usage raise , don't free when click 1 of "style" button. application outofmemoryerror after switch theme 30 times. don't know how fix it.someone can me?
java.lang.outofmemoryerror: java heap space @ java.awt.image.databufferint.<init>(databufferint.java:75) @ java.awt.image.raster.createpackedraster(raster.java:467) @ java.awt.image.directcolormodel.createcompatiblewritableraster(directcolormodel.java:1032) @ java.awt.image.bufferedimage.<init>(bufferedimage.java:359) @ com.sun.prism.j2d.j2dtexture.<init>(j2dtexture.java:46) @ com.sun.prism.j2d.j2dresourcefactory.createtexture(j2dresourcefactory.java:72) @ com.sun.prism.impl.baseresourcefactory.createtexture(baseresourcefactory.java:127) my environment: jdk1.7.0_51, windows server 2003 x86, 3g ram
i sorry don't know how post img file(background.png) forum.
click "autoswitch" button auto switching theme.
source code: main.java
public class main extends application { private stage primarystage; public stage getprimarystage() { return primarystage; } public void setprimarystage(stage primarystage) { this.primarystage = primarystage; } private borderpane rootpane; public borderpane getrootpane() { return rootpane; } @override public void start(stage primarystage) { try { setprimarystage(primarystage); url url = new url(getclass().getresource("appframe.fxml").toexternalform()); fxmlloader loader =new fxmlloader(url); rootpane = (borderpane)loader.load(); scene scene = new scene(rootpane,400,400); primarystage.setscene(scene); //max screen screen screen = screen.getprimary(); rectangle2d bounds = screen.getvisualbounds(); primarystage.setx(bounds.getminx()); primarystage.sety(bounds.getminy()); primarystage.setwidth(bounds.getwidth()); primarystage.setheight(bounds.getheight()); primarystage.show(); appframecontroller appframecontroller = (appframecontroller)loader.getcontroller(); appframecontroller.setappmain(this); } catch(exception e) { e.printstacktrace(); } } public static void main(string[] args) { launch(args); } } appframecontroller.java
public class appframecontroller { private string style1url = getclass().getresource("fxstyle1.css").toexternalform(); private string style2url = getclass().getresource("fxstyle2.css").toexternalform(); @fxml private label lblscenetitle; private main appmain; public main getappmain() { return appmain; } public void setappmain(main appmain) { this.appmain = appmain; } private int switchcount=0; public appframecontroller() { } public void handleclickstyle1() { observablelist<string> stylesheets = getappmain().getrootpane().getstylesheets(); stylesheets.remove(style2url); if(!stylesheets.contains(style1url)) { stylesheets.add(style1url); } } public void handleclickstyle2() { observablelist<string> stylesheets = getappmain().getrootpane().getstylesheets(); stylesheets.remove(style1url); if(!stylesheets.contains(style2url)) { stylesheets.add(style2url); } } public void handleclickswitch() { switchcsstask handletask = new switchcsstask(); new thread(handletask).start(); } private class switchcsstask implements runnable { @override public void run() { while (true) { if (switchcount % 2 == 0) { handleclickstyle1(); } else { handleclickstyle2(); } switchcount++; system.out.println("switch count=" + switchcount); try { thread.sleep(1000); } catch (interruptedexception e) { e.printstacktrace(); } } } } } appframe.fxml
<?xml version="1.0" encoding="utf-8"?> <?import java.lang.*?> <?import java.net.*?> <?import javafx.geometry.*?> <?import javafx.scene.control.*?> <?import javafx.scene.image.*?> <?import javafx.scene.layout.*?> <?import javafx.scene.layout.borderpane?> <borderpane prefheight="362.0" prefwidth="749.3739013671875" xmlns:fx="http://javafx.com/fxml/1" xmlns="http://javafx.com/javafx/2.2" fx:controller="application.appframecontroller"> <!-- todo add nodes --> <center> <borderpane id="center-pane" prefheight="-1.0" prefwidth="-1.0" borderpane.alignment="center"> <center> <vbox alignment="center" prefheight="200.0" prefwidth="100.0" spacing="20.0"> <children> <button mnemonicparsing="false" onaction="#handleclickstyle1" prefheight="70.0" prefwidth="148.0" text="style1" /> <button mnemonicparsing="false" onaction="#handleclickstyle2" prefheight="70.0" prefwidth="148.0" text="style2" /> <button mnemonicparsing="false" onaction="#handleclickswitch" prefheight="70.0" prefwidth="148.0" text="autoswitch" /> </children> </vbox> </center> </borderpane> </center> <stylesheets> <url value="@fxstyle2.css" /> </stylesheets> <top> <hbox alignment="center" prefheight="100.0" prefwidth="200.0" spacing="10.0" borderpane.alignment="center"> <children> <label id="scene-title" fx:id="lblscenetitle" alignment="top_center" prefwidth="371.0" text="test fxstyle" /> </children> <padding> <insets bottom="15.0" left="12.0" right="12.0" top="15.0" /> </padding> </hbox> </top> </borderpane> fxstyle1.css
#center-pane { -fx-background-image: url("background.png"); } #scene-title { -fx-font-family: "tahoma"; -fx-background-insets: 0; -fx-text-fill: green; -fx-font-weight: bold; -fx-font-size: 4em; -fx-effect: dropshadow( one-pass-box , rgba(0,0,0,0.9) , 1, 0.0 , 0 , 1 ); } fxstyle2.css
#center-pane { -fx-background-image: url("background.png"); } #scene-title { -fx-font-family: "courier new"; -fx-background-insets: 0; -fx-text-fill: red; -fx-font-weight: bold; -fx-font-size: 4em; -fx-effect: dropshadow( one-pass-box , rgba(0,0,0,0.9) , 1, 0.0 , 0 , 1 ); }
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