JavaFX 8 - Printing 3d scene

Kevin Rushforth kevin.rushforth at oracle.com
Tue Nov 11 15:29:06 UTC 2014


3D is not supported for printing. I don't know whether this is 
documented (it should be if it isn't), but it is a known limitation of 
the current implementation which uses Java2D to render.

-- Kevin


Scott Palmer wrote:
> I suggest you file a bug with a reproducible test case at
> https://javafx-jira.kenai.com/
> If the 3D node will render to an image, then it should also be printable
> directly.
>
> Scott
>
> On Mon, Nov 10, 2014 at 8:16 PM, Cheryl Long <clong9993 at gmail.com> wrote:
>
>   
>> I posted the following question on Stack Overflow and it was suggested that
>> I ask it here.
>>
>> I am trying to use the JavaFX 8 printing API and I am running into problems
>> when I try to print any scene/node that contains any sort of 3D content. I
>> have been searching both here and other sites for an answer and haven't
>> been able to find anything to help.
>>
>> If the node contains only 2D content, the scene will print on my selected
>> printer without issue. But if I add a single 3D object to the scene, the
>> whole thing fails to print - without any error but without any content. If
>> I am printing to a printer, a blank page is "printed" and if I am printing
>> to a document printer, I get an empty document.
>>
>> I have tried using the AWT printing mechanism to convert the node to a
>> WritableImage and then to a BufferedImage for printing. This works in that
>> it prints but we aren't happy with the quality that we get from it.
>>
>> My print caller is fairly standard at this stage -
>>
>> private void doPrintFX() {
>>     Printer printer = Printer.getDefaultPrinter();
>>     PageLayout pageLayout = printer.createPageLayout(
>>             Paper.A3, PageOrientation.LANDSCAPE,
>> Printer.MarginType.DEFAULT);
>>
>>     final double scaleFactor =
>> computeScaleFactor(pageLayout.getPrintableWidth(),
>>             pageLayout.getPrintableHeight(),
>>             sceneNode.getBoundsInParent().getWidth(),
>>             sceneNode.getBoundsInParent().getHeight());
>>     if (scaleFactor != 0) {
>>         sceneNode.getTransforms().add(new Scale(scaleFactor, scaleFactor));
>>     }
>>
>>     PrinterJob job = PrinterJob.createPrinterJob(printer);
>>     if (job != null) {
>>         System.out.println("Printing to " + job.getPrinter().getName());
>>         boolean success = job.printPage(pageLayout, sceneNode);
>>         if (success) {
>>             job.endJob();
>>         }
>>     }}
>>
>> I have scaled back the node to be a very simple scene containing a couple
>> of rectangles and a cylinder. The code I am currently using is:
>>
>>     Cylinder cylinder = new Cylinder(50, 150);
>>     cylinder.setLayoutX(250);
>>     cylinder.setLayoutY(100);
>>     canvas.getDrawingPane().getChildren().add(cylinder);
>>
>>     Rectangle item = new Rectangle(50, 50, 100, 50);
>>     item.setStroke(Color.BLACK);
>>     item.setFill(null);
>>     canvas.getDrawingPane().getChildren().add(item);
>>
>>     item = new Rectangle(75, 75, 100, 50);
>>     item.setStroke(Color.BLACK);
>>     item.setFill(null);
>>     canvas.getDrawingPane().getChildren().add(item);
>>
>> The canvas.getDrawingPane is a Pane and is what is being sent to the print
>> function.
>>
>> Can anyone advise what might be wrong with what I am doing? Does the JavaFX
>> print API support printing of 3D nodes?
>>
>> Thank you.
>>
>>     


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