Opening PDF

src/main/java/org/luwrain/app/viewer/App.java

@@ -43,10 +43,12 @@ public App(String arg)
  this.arg = arg;
  }
 
- @Override protected AreaLayout onAppInit()
+ @Override protected AreaLayout onAppInit() throws IOException
  {
  if (arg != null && !arg.isEmpty())
  load(arg);
+ final ViewPdf viewPdf = createPdfView();
+ viewPdf.show();
  this.mainLayout = new MainLayout(this);
  return mainLayout.getAreaLayout();
  }
@@ -71,7 +73,7 @@ private void load(String file)
  */
  }
 
- private ViewPdf createPdfView()
+ private ViewPdf createPdfView() throws IOException
  {
  return new ViewPdf(getLuwrain()){
  @Override void inaccessible() { getLuwrain().playSound(Sounds.ERROR); }

src/main/java/org/luwrain/app/viewer/Extension.java

@@ -1,5 +1,5 @@
 /*
- Copyright 2012-2021 Michael Pozhidaev <[email protected]>
+ Copyright 2012-2022 Michael Pozhidaev <[email protected]>
 
  This file is part of LUWRAIN.
 

src/main/java/org/luwrain/app/viewer/ViewImage.java

@@ -1,5 +1,5 @@
 /*
- Copyright 2012-2021 Michael Pozhidaev <[email protected]>
+ Copyright 2012-2022 Michael Pozhidaev <[email protected]>
  Copyright 2015-2016 Roman Volovodov <[email protected]>
 
  This file is part of LUWRAIN.

src/main/java/org/luwrain/app/viewer/ViewPdf.java

@@ -1,5 +1,5 @@
 /*
- Copyright 2012-2021 Michael Pozhidaev <[email protected]>
+ Copyright 2012-2022 Michael Pozhidaev <[email protected]>
  Copyright 2015-2016 Roman Volovodov <[email protected]>
 
  This file is part of LUWRAIN.
@@ -26,7 +26,7 @@
 import javafx.scene.paint.Color;
 import javafx.scene.image.Image;
 import javafx.scene.canvas.GraphicsContext;
-//import javafx.embed.swing.SwingFXUtils;
+import javafx.embed.swing.SwingFXUtils;
 import javafx.application.Platform;
 import javafx.beans.value.ObservableValue;
 import javafx.concurrent.Worker.State;
@@ -59,10 +59,10 @@ abstract class ViewPdf
  private double offsetX = 0;
  private double offsetY = 0;
 
- ViewPdf(Luwrain luwrain)
+ ViewPdf(Luwrain luwrain) throws IOException
  {
  this.luwrain = luwrain;
- this.doc = null;//PDDocument.load(file);
+ this.doc = PDDocument.load(new File("/tmp/proba.pdf"));
  this.rend = new PDFRenderer(doc);
  Log.debug(LOG_COMPONENT, "PDF renderer created");
  }
@@ -76,7 +76,7 @@ abstract class ViewPdf
  abstract void announceZoomIn();
  abstract void announceZoomOut();
 
- public void show()
+ void show()
  {
  luwrain.showGraphical((control)->{
  try {
@@ -89,10 +89,7 @@ public void show()
  }
  catch(Throwable e)
  {
- Log.error(LOG_COMPONENT, "unable to initialize the PDF preview:" + e.getClass().getName() + ":" + e.getMessage());
- e.printStackTrace();
- this.canvas = null;
- return null;
+ throw new RuntimeException(e);
  }
  });
  }
@@ -297,7 +294,7 @@ private Image makeImage(int pageNum, float scale)
  Log.error(LOG_COMPONENT, "unable to render a PDf page:" + e.getClass().getName() + ":" + e.getMessage());
  return null;
  }
- final Image image = null;//SwingFXUtils.toFXImage(pageImage, null);
+ final Image image = SwingFXUtils.toFXImage(pageImage, null);
 Log.debug(LOG_COMPONENT, "image " + String.format("%.2f", image.getWidth()) + "x" + String.format("%.2f", image.getHeight()));
 return image;
  }