ru.sbtqa.monte.cmykdemo.MainFX Maven / Gradle / Ivy
/* @(#)Main.java
* Copyright © 2011 Werner Randelshofer, Switzerland.
* You may only use this software in accordance with the license terms.
*/
package ru.sbtqa.monte.cmykdemo;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CompletionException;
import javafx.application.Application;
import javafx.application.Platform;
import javafx.event.EventType;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.image.ImageView;
import javafx.scene.image.WritableImage;
import javafx.scene.input.DataFormat;
import javafx.scene.input.DragEvent;
import javafx.scene.input.TransferMode;
import javafx.scene.layout.BorderPane;
import javafx.stage.Stage;
import javax.imageio.ImageReader;
import javax.imageio.stream.FileImageInputStream;
import javax.imageio.stream.ImageInputStream;
import ru.sbtqa.monte.media.color.ColorSpaces;
import ru.sbtqa.monte.media.image.Images;
import ru.sbtqa.monte.media.jpeg.CMYKJPEGImageReader;
/**
* MainFX.
*
* @author Werner Randelshofer
*/
public class MainFX extends Application {
private ImageView imageView;
private Label dropLabel;
private Label infoLabel;
private BorderPane root;
private Stage stage;
private static void checkForKCMS() {
System.out.println("Running on Java " + System.getProperty("java.version") + " (" + System.getProperty("java.vm.version") + ")");
String cmm = System.getProperty("sun.java2d.cmm");
if (!"sun.java2d.cmm.kcms.KcmsServiceProvider".equals(cmm)) {
if (cmm != null) {
System.out.println("Your VM is running with the following color management system:");
System.out.println(cmm);
}
System.out.println("For better color conversion performance, you may want to try the following VM option:");
System.out.println("-Dsun.java2d.cmm=sun.java2d.cmm.kcms.KcmsServiceProvider");
}
}
/**
* Resizable image view.
*/
private static class ResizableImageView extends ImageView {
public ResizableImageView() {
setPreserveRatio(true);
setSmooth(true);
setCache(true);
setManaged(true);
}
@Override
public double minWidth(double height) {
return 0;
}
@Override
public double minHeight(double height) {
return 0;
}
@Override
public double prefWidth(double height) {
return getImage() == null ? 0 : getImage().getWidth();
}
@Override
public double prefHeight(double height) {
return getImage() == null ? 0 : getImage().getHeight();
}
@Override
public boolean isResizable() {
return true;
}
@Override
public void resize(double width, double height) {
super.resize(width, height);
setFitWidth(width);
setFitHeight(height);
}
};
@Override
public void start(Stage primaryStage) {
checkForKCMS();
stage = primaryStage;
imageView = new ResizableImageView();
dropLabel = new Label();
dropLabel.setText("Drop CMYK image here");
dropLabel.setWrapText(true);
infoLabel = new Label();
infoLabel.setWrapText(true);
root = new BorderPane();
root.setCenter(dropLabel);
root.addEventHandler(DragEvent.ANY, this::onDragEvent);
Scene scene = new Scene(root, 300, 250);
primaryStage.setTitle("MonteMedia CMYK Demo " + MainFX.class.getPackage().getImplementationVersion());
primaryStage.setScene(scene);
primaryStage.show();
}
/**
* Handles drag events.
*
* @param event a drag event
*/
private void onDragEvent(DragEvent event) {
EventType type = event.getEventType();
if (type == DragEvent.DRAG_EXITED) {
dropLabel.setUnderline(false);
} else if (type == DragEvent.DRAG_OVER) {
if (event.getDragboard().hasContent(DataFormat.FILES)) {
event.acceptTransferModes(TransferMode.COPY);
dropLabel.setText("Drop CMYK image here");
dropLabel.setUnderline(true);
} else {
event.acceptTransferModes(TransferMode.NONE);
}
} else if (type == DragEvent.DRAG_DROPPED) {
if (event.getDragboard().hasContent(DataFormat.FILES)) {
event.acceptTransferModes(TransferMode.COPY);
@SuppressWarnings("unchecked")
List content = (List) event.getDragboard().getContent(DataFormat.FILES);
for (File f : content) {
loadAndDisplayImage(f);
}
} else {
event.acceptTransferModes(TransferMode.NONE);
}
}
}
/**
* Loads an image and displays it.
*
* @param file a file
*/
private void loadAndDisplayImage(File file) {
stage.setTitle(file.getName());
root.setCenter(dropLabel);
root.setBottom(null);
imageView.setImage(null);
Platform.runLater(() -> dropLabel.setText("..."));
long start = System.currentTimeMillis();
CompletableFuture.supplyAsync(() -> {// on worker thread
try {
Platform.runLater(() -> dropLabel.setText("Loading..."));
BufferedImage sourceImage = loadImage(file);
Platform.runLater(() -> dropLabel.setText("Converting image to RGB..."));
BufferedImage rgbImage = convertToRGB(sourceImage);
Platform.runLater(() -> dropLabel.setText("Converting image to FX..."));
WritableImage fxImage = convertToFX(rgbImage);
return new Object[]{sourceImage, fxImage};
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}).handleAsync((images, ex) -> {// on application thread
long end = System.currentTimeMillis();
System.out.println("elapsed:" + (end - start));
if (ex != null) {
Throwable cause = ex;
while ((cause instanceof UncheckedIOException) || (cause instanceof CompletionException)) {
cause = cause.getCause();
}
String msg = (cause == null) ? ex.getLocalizedMessage() : cause.getLocalizedMessage();
dropLabel.setText(msg != null ? msg : ex.toString());
ex.printStackTrace();
} else {
BufferedImage sourceImage = (BufferedImage) images[0];
WritableImage fxImage = (WritableImage) images[1];
if (sourceImage == null) {
dropLabel.setText("No image found");
} else {
imageView.setImage(fxImage);
root.setCenter(imageView);
infoLabel.setText("Dimension: " + sourceImage.getWidth() + " x " + sourceImage.getHeight()
+ "\n" + sourceImage.getColorModel()
+ "\nColor Space: " + ColorSpaces.toString(sourceImage.getColorModel().getColorSpace()).replace(',', ' '));
root.setBottom(infoLabel);
}
}
return null;
}, Platform::runLater);
}
private WritableImage convertToFX(BufferedImage bufferedImage) {
if (bufferedImage == null) {
return null;
}
long start = System.currentTimeMillis();
WritableImage fxImage = Images.toFXImage(bufferedImage, null);
long end = System.currentTimeMillis();
System.out.println(" convert to FX ms:" + (end - start));
return fxImage;
}
private BufferedImage convertToRGB(BufferedImage bufferedImage) {
if (bufferedImage == null) {
return null;
}
long start = System.currentTimeMillis();
BufferedImage rgbImage = Images.toRGBImage(bufferedImage);
long end = System.currentTimeMillis();
System.out.println(" convert to RGB ms:" + (end - start));
System.out.println(" source image CM:" + bufferedImage.getColorModel());
System.out.println(" RGB image CM:" + rgbImage.getColorModel());
return rgbImage;
}
private BufferedImage loadImage(final File file) throws IOException {
System.out.println("loading " + file);
try (ImageInputStream iis = new FileImageInputStream(file)) {
long start = System.currentTimeMillis();
ImageReader r = new CMYKJPEGImageReader();
r.setInput(iis);
BufferedImage cmykImage = r.read(0);
long end = System.currentTimeMillis();
System.out.println(" load ms:" + (end - start));
return cmykImage;
}
}
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
launch(args);
}
}
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