Must be called on UI thread * - *
Must be called on UI thread - * @param scene Scene to capture + * @param scene Scene to capture */ - public Screenshot(final Scene scene) - { + public Screenshot(final Scene scene) { image = bufferFromNode(scene.getRoot()); } - public Screenshot(final Node node) - { + public Screenshot(final Node node) { image = bufferFromNode(node); } - public Screenshot(final Image image) - { + public Screenshot(final Image image) { this.image = bufferFromImage(image); } - /** Get a JavaFX Node Snapshot as a JavaFX Image + /** + * Get a JavaFX Node Snapshot as a JavaFX Image + * * @param node * @return Image */ - public static WritableImage imageFromNode(Node node) - { + public static WritableImage imageFromNode(Node node) { return node.snapshot(null, null); } - /** Get a AWT BufferedImage from JavaFX Image - * @param jfx {@link Image} - * @return BufferedImage + /** + * Get a AWT BufferedImage from JavaFX Image + * + * @param jfx {@link Image} + * @return BufferedImage */ - public static BufferedImage bufferFromImage(final Image jfx) - { - final BufferedImage img = new BufferedImage((int)jfx.getWidth(), - (int)jfx.getHeight(), + public static BufferedImage bufferFromImage(final Image jfx) { + final BufferedImage img = new BufferedImage((int) jfx.getWidth(), + (int) jfx.getHeight(), BufferedImage.TYPE_INT_ARGB); SwingFXUtils.fromFXImage(jfx, img); - return img; } - /** Get a JavaFX Node Snapshot as an AWT BufferedImage + /** + * Get a JavaFX Node Snapshot as an AWT BufferedImage + * * @param node * @return BufferedImage */ - public static BufferedImage bufferFromNode(Node node) - { + public static BufferedImage bufferFromNode(Node node) { return bufferFromImage(imageFromNode(node)); } @@ -104,47 +109,90 @@ public static Image captureScreen() /** * Get an image from the clip board. *
Returns null if no image is on the clip board. + * * @return Image */ - public static Image getImageFromClipboard() - { + public static Image getImageFromClipboard() { Clipboard clipboard = Clipboard.getSystemClipboard(); return clipboard.getImage(); } - /** Write to file - * @param file Output file - * @throws Exception on error + /** + * Write to file + * + * @param file Output file + * @throws Exception on error */ - public void writeToFile(final File file) throws Exception - { - try - { + public void writeToFile(final File file) throws Exception { + try { ImageIO.write(image, "png", file); - } - catch (Exception ex) - { + } catch (Exception ex) { throw new Exception("Cannot create screenshot " + file.getAbsolutePath(), ex); } } - /** Write to temp. file - * @param file_prefix File prefix - * @return File that was created - * @throws Exception on error + /** + * Write to temp. file + * + * @param file_prefix File prefix + * @return File that was created + * @throws Exception on error */ - public File writeToTempfile(final String file_prefix) throws Exception - { - try - { + public File writeToTempfile(final String file_prefix) throws Exception { + try { final File file = File.createTempFile(file_prefix, ".png"); file.deleteOnExit(); writeToFile(file); return file; - } - catch (Exception ex) - { + } catch (Exception ex) { throw new Exception("Cannot create tmp. file:\n" + ex.getMessage()); } } + + /** + * Puts the {@link Node} as image data onto the clipboard. + * + *
+ * NOTE: on Windows calling this will throw an {@link java.io.IOException}, but screenshot will still be available on + * the clipboard. This Stackoverflow post + * suggests the printed stack trace is in fact debug information. + *
+ * + * @param node Node from which to take a screenshot. + */ + public static void copyToClipboard(Node node) { + BufferedImage bufferedImage = bufferFromNode(node); + Toolkit.getDefaultToolkit().getSystemClipboard().setContents(new TransferableImage(bufferedImage), null); + } + + /** + * Minimal implementation to support putting image data on the clipboard + */ + private static class TransferableImage implements Transferable { + + private final java.awt.Image image; + + public TransferableImage(java.awt.Image image) { + this.image = image; + } + + @Override + public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException { + if (flavor.equals(DataFlavor.imageFlavor) && image != null) { + return image; + } else { + throw new UnsupportedFlavorException(flavor); + } + } + + @Override + public DataFlavor[] getTransferDataFlavors() { + return new DataFlavor[]{DataFlavor.imageFlavor}; + } + + @Override + public boolean isDataFlavorSupported(DataFlavor flavor) { + return flavor.equals(DataFlavor.imageFlavor); + } + } } diff --git a/core/ui/src/main/resources/org/phoebus/ui/application/messages.properties b/core/ui/src/main/resources/org/phoebus/ui/application/messages.properties index 1ef7651dfb..5582505f2a 100644 --- a/core/ui/src/main/resources/org/phoebus/ui/application/messages.properties +++ b/core/ui/src/main/resources/org/phoebus/ui/application/messages.properties @@ -112,8 +112,10 @@ SaveLayoutAs=Save Layout As... SaveLayoutOfContainingWindowAs=Save Layout of Containing Window As... SaveLayoutWarningApplicationNoSaveFile=The following application(s) do not have associated with them save file(s). No save file association(s) will be stored for the application instance(s) in question when proceeding to save the layout. Proceed?\n\nThe application(s) in question are:\n SaveLayoutWarningApplicationNoSaveFileTitle=Warning: application(s) are not associated with save file(s) -SaveSnapshot=Save Screenshot... +SaveSnapshot=Take Screenshot SaveSnapshotSelectFilename=Enter *.png name for screenshot +SaveSnapshotToClipboard=Copy to clipboard +SaveSnapshotToFile=Save to file Saving=Saving {0}... SavingAlert=The file\n {0}\nis read-only.\n\nSave to a different file? SavingAlertTitle=File has changed