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| Apply SepiaTone on ImageView |
Modify from last post "Set fitWidth and fitHeight properties dynamically, with scroll bar".
package javafxpixel;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javafx.application.Application;
import javafx.embed.swing.SwingFXUtils;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.ScrollPane;
import javafx.scene.control.ScrollPane.ScrollBarPolicy;
import javafx.scene.effect.SepiaTone;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.stage.FileChooser;
import javafx.stage.Stage;
import javax.imageio.ImageIO;
/**
*
* @web http://java-buddy.blogspot.com/
*/
public class JavaFXPixel extends Application {
Label label;
ImageView myImageView;
ScrollPane scrollPane;
Boolean autoFix = true;
Image myImage;
@Override
public void start(Stage primaryStage) {
Button btnLoad = new Button("Load");
btnLoad.setOnAction(btnLoadEventListener);
Button btnAutoFix = new Button("Auto Fix");
btnAutoFix.setOnAction(btnAutoFixEventListener);
Button btnNoFix = new Button("No Fix");
btnNoFix.setOnAction(btnNoFixEventListener);
label = new Label();
myImageView = new ImageView();
scrollPane = new ScrollPane();
scrollPane.setPrefSize(400, 400);
scrollPane.setVbarPolicy(ScrollBarPolicy.AS_NEEDED);
scrollPane.setHbarPolicy(ScrollBarPolicy.AS_NEEDED);
scrollPane.setContent(myImageView);
HBox buttonBox = new HBox();
buttonBox.getChildren().addAll(btnLoad, btnAutoFix, btnNoFix);
VBox rootBox = new VBox();
rootBox.getChildren().addAll(buttonBox, label, scrollPane);
Scene scene = new Scene(rootBox, 500, 500);
primaryStage.setTitle("java-buddy.blogspot.com");
primaryStage.setScene(scene);
primaryStage.show();
}
public static void main(String[] args) {
launch(args);
}
EventHandler<ActionEvent> btnLoadEventListener
= new EventHandler<ActionEvent>(){
@Override
public void handle(ActionEvent t) {
FileChooser fileChooser = new FileChooser();
//Set extension filter
FileChooser.ExtensionFilter extFilterJPG = new FileChooser.ExtensionFilter("JPG files (*.jpg)", "*.JPG");
FileChooser.ExtensionFilter extFilterPNG = new FileChooser.ExtensionFilter("PNG files (*.png)", "*.PNG");
fileChooser.getExtensionFilters().addAll(extFilterJPG, extFilterPNG);
//Show open file dialog
File file = fileChooser.showOpenDialog(null);
BufferedImage bufferedImage;
try {
bufferedImage = ImageIO.read(file);
myImage = SwingFXUtils.toFXImage(bufferedImage, null);
setFix();
} catch (IOException ex) {
Logger.getLogger(JavaFXPixel.class.getName()).log(Level.SEVERE, null, ex);
}
}
};
EventHandler<ActionEvent> btnAutoFixEventListener
= new EventHandler<ActionEvent>(){
@Override
public void handle(ActionEvent t) {
autoFix = true;
setFix();
}
};
EventHandler<ActionEvent> btnNoFixEventListener
= new EventHandler<ActionEvent>(){
@Override
public void handle(ActionEvent t) {
autoFix = false;
setFix();
}
};
private void setFix(){
if(autoFix){
myImageView.setFitWidth(400);
myImageView.setFitHeight(400);
}else{
myImageView.setFitWidth(0);
myImageView.setFitHeight(0);
}
myImageView.setPreserveRatio(true);
myImageView.setSmooth(true);
myImageView.setCache(true);
myImageView.setImage(myImage);
scrollPane.setContent(null);
scrollPane.setContent(myImageView);
myImageView.setEffect(new SepiaTone());
}
}
Ask for help:
The application fail caused by java.lang.NullPointerException, when load large image (ex. 4032 x 3024 JPG from DSLR). The error log list below. Please advise.
java.lang.NullPointerException at com.sun.scenario.effect.impl.sw.sse.SSESepiaTonePeer.filter(SSESepiaTonePeer.java:100) at com.sun.scenario.effect.CoreEffect.filterImageDatas(CoreEffect.java:103) at com.sun.scenario.effect.SepiaTone.filterImageDatas(SepiaTone.java:34) at com.sun.scenario.effect.FilterEffect.filter(FilterEffect.java:178) at com.sun.scenario.effect.impl.prism.PrEffectHelper.render(PrEffectHelper.java:156) at com.sun.javafx.sg.prism.NGNode$EffectFilter.render(NGNode.java:748) at com.sun.javafx.sg.prism.NGNode.renderEffect(NGNode.java:494) at com.sun.javafx.sg.prism.NGNode$CacheFilter.impl_createImageData(NGNode.java:689) at com.sun.javafx.sg.BaseCacheFilter.render(BaseCacheFilter.java:134) at com.sun.javafx.sg.prism.NGNode$CacheFilter.render(NGNode.java:660) at com.sun.javafx.sg.prism.NGNode.renderCached(NGNode.java:487) at com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:183) at com.sun.javafx.sg.prism.NGImageView.doRender(NGImageView.java:97) at com.sun.javafx.sg.prism.NGImageView.doRender(NGImageView.java:20) at com.sun.javafx.sg.BaseNode.render(BaseNode.java:1145) at com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:204) at com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:420) at com.sun.javafx.sg.prism.NGNode.renderForClip(NGNode.java:429) at com.sun.javafx.sg.prism.NGNode.renderRectClip(NGNode.java:320) at com.sun.javafx.sg.prism.NGNode.renderClip(NGNode.java:346) at com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:179) at com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:39) at com.sun.javafx.sg.BaseNode.render(BaseNode.java:1145) at com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:204) at com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:420) at com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:187) at com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:39) at com.sun.javafx.sg.BaseNode.render(BaseNode.java:1145) at com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:204) at com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:187) at com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:39) at com.sun.javafx.sg.BaseNode.render(BaseNode.java:1145) at com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:204) at com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:420) at com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:187) at com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:39) at com.sun.javafx.sg.BaseNode.render(BaseNode.java:1145) at com.sun.javafx.tk.quantum.ViewPainter.doPaint(ViewPainter.java:117) at com.sun.javafx.tk.quantum.AbstractPainter.paintImpl(AbstractPainter.java:175) at com.sun.javafx.tk.quantum.PresentingPainter.run(PresentingPainter.java:73) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:351) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:178) at com.sun.prism.render.RenderJob.run(RenderJob.java:37) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at com.sun.javafx.tk.quantum.QuantumRenderer$PipelineRunnable.run(QuantumRenderer.java:98) at java.lang.Thread.run(Thread.java:722)
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