org.jpedal.examples.viewer.gui.GUI Maven / Gradle / Ivy

* Set the PdfDecoderInt object used by the user interface * * @param decode_pdf PdfDecoderInt used for the PDF opened in the viewer */ public void setPdfDecoder(final PdfDecoderInt decode_pdf) { this.decode_pdf = decode_pdf; } private void prepareForDecode(final GUIFactory currentGUI) { //Remove Image extraction outlines when page is changed decode_pdf.getPages().setHighlightedImage(null); currentGUI.resetRotationBox(); /* if running terminate first */ if (thumbnails.isShownOnscreen()) { thumbnails.terminateDrawing(); } if (thumbnails.isShownOnscreen()) { currentGUI.setupThumbnailPanel(); final LinearThread linearizedBackgroundRenderer = (LinearThread) decode_pdf.getJPedalObject(PdfDictionary.LinearizedReader); if (linearizedBackgroundRenderer != null && !linearizedBackgroundRenderer.isAlive()) { thumbnails.drawThumbnails(); } } if (decode_pdf.getDisplayView() == Display.SINGLE_PAGE) { currentGUI.setPageCounterText(PageCounter.PAGECOUNTER2, currentGUI.getPageLabel(commonValues.getCurrentPage())); if (pageLabelDiffers(commonValues.getCurrentPage())) { currentGUI.setPageCounterText(PageCounter.PAGECOUNTER3, "(" + commonValues.getCurrentPage() + ' ' + Messages.getMessage("PdfViewerOfLabel.text") + ' ' + commonValues.getPageCount() + ")"); } else { currentGUI.setPageCounterText(PageCounter.PAGECOUNTER3, Messages.getMessage("PdfViewerOfLabel.text") + ' ' + commonValues.getPageCount()); } } currentGUI.updateTextBoxSize(); //allow user to now open tabs currentGUI.setTabsNotInitialised(false); //ensure text and color extracted. If you do not need color, take out line for faster decode // decode_pdf.setExtractionMode(PdfDecoderInt.TEXT); decode_pdf.setExtractionMode(PdfDecoderInt.TEXT + PdfDecoderInt.TEXTCOLOR); //remove any search highlight decode_pdf.getTextLines().clearHighlights(); } private void performDecoding(final GUIFactory currentGUI) { Values.setProcessing(true); //SwingWorker worker = new SwingWorker() { setCursor(2); if (LogWriter.isRunningFromIDE) { start = System.currentTimeMillis(); } try { if (!SharedViewer.isFX()) { ((StatusBar) currentGUI.getStatusBar()).updateStatus("Decoding Page", 0); } /* * decode the page */ try { decode_pdf.decodePage(commonValues.getCurrentPage()); //wait to ensure decoded decode_pdf.waitForDecodingToFinish(); //value set from JVM flag org.jpedal.maxShapeCount=maxNumber if (decode_pdf.getPageDecodeStatus(DecodeStatus.TooManyShapes)) { final String status = "Too many shapes on page"; currentGUI.showMessageDialog(status); } if (!decode_pdf.getPageDecodeStatus(DecodeStatus.ImagesProcessed)) { final String status = (Messages.getMessage("PdfViewer.ImageDisplayError") + Messages.getMessage("PdfViewer.ImageDisplayError1") + Messages.getMessage("PdfViewer.ImageDisplayError2") + Messages.getMessage("PdfViewer.ImageDisplayError3") + Messages.getMessage("PdfViewer.ImageDisplayError4") + Messages.getMessage("PdfViewer.ImageDisplayError5") + Messages.getMessage("PdfViewer.ImageDisplayError6") + Messages.getMessage("PdfViewer.ImageDisplayError7")); currentGUI.showMessageDialog(status); } /* * Tell user if hinting is probably required */ if (decode_pdf.getPageDecodeStatus(DecodeStatus.TTHintingRequired)) { final String status = Messages.getMessage("PdfCustomGui.ttHintingRequired"); currentGUI.showMessageDialog(status); } if (decode_pdf.getPageDecodeStatus(DecodeStatus.NonEmbeddedCIDFonts)) { final String status = ("This page contains non-embedded CID fonts \n" + decode_pdf.getPageDecodeStatusReport(DecodeStatus.NonEmbeddedCIDFonts) + "\nwhich may need mapping to display correctly.\n" + "See http://www.idrsolutions.com/how-do-fonts-work"); currentGUI.showMessageDialog(status); } //create custom annot icons if (decode_pdf.getExternalHandler(Options.UniqueAnnotationHandler) != null) { /* * ANNOTATIONS code to create unique icons * * this code allows you to create a unique set on icons for any type of annotations, with * an icons for every annotation, not just types. */ final FormFactory formfactory = decode_pdf.getFormRenderer().getFormFactory(); //swing needs it to be done with invokeLater if (formfactory.getType() == FormFactory.SWING) { final Runnable doPaintComponent2 = new Runnable() { @Override public void run() { createUniqueAnnotationIcons(); //validate(); } }; SwingUtilities.invokeLater(doPaintComponent2); } else { createUniqueAnnotationIcons(); } } if (!SharedViewer.isFX()) { ((StatusBar) currentGUI.getStatusBar()).updateStatus("Displaying Page", 0); } } catch (final Exception e) { System.err.println(Messages.getMessage("PdfViewerError.Exception") + ' ' + e + ' ' + Messages.getMessage("PdfViewerError.DecodePage")); e.printStackTrace(); Values.setProcessing(false); } //tell user if we had a memory error on decodePage if (DecoderOptions.showErrorMessages) { String status = decode_pdf.getPageDecodeReport(); if (status.contains("java.lang.OutOfMemoryError")) { status = (Messages.getMessage("PdfViewer.OutOfMemoryDisplayError") + Messages.getMessage("PdfViewer.OutOfMemoryDisplayError1") + Messages.getMessage("PdfViewer.OutOfMemoryDisplayError2") + Messages.getMessage("PdfViewer.OutOfMemoryDisplayError3") + Messages.getMessage("PdfViewer.OutOfMemoryDisplayError4") + Messages.getMessage("PdfViewer.OutOfMemoryDisplayError5")); currentGUI.showMessageDialog(status); } } Values.setProcessing(false); //make sure fully drawn //decode_pdf.repaint(); currentGUI.setViewerTitle(null); //restore title if (LogWriter.isRunningFromIDE) { /* * show time and memory usage */ System.out .println(((Runtime.getRuntime().totalMemory() - Runtime .getRuntime().freeMemory()) / 1000) + "K"); System.out.println((((float) Math.abs(((System .currentTimeMillis() - start) / 100))) / 10) + "s"); } if (decode_pdf.getPageCount() > 0 && thumbnails.isShownOnscreen() && decode_pdf.getDisplayView() == Display.SINGLE_PAGE) { thumbnails.generateOtherVisibleThumbnails(commonValues.getCurrentPage()); } } catch (final Exception e) { e.printStackTrace(); Values.setProcessing(false); // Remove processing flag so that the viewer can be exited. currentGUI.setViewerTitle(null); //restore title } } /** * called by nav functions to decode next page (in GUI code as needs to * manipulate large part of GUI) */ public void decodeGUIPage(final GUIFactory currentGUI) { //Prepare GUI for decoding prepareForDecode(currentGUI); //kick-off thread to create pages if (decode_pdf.getDisplayView() == Display.FACING) { currentGUI.scaleAndRotate(); currentGUI.scrollToPage(commonValues.getCurrentPage()); decode_pdf.getPages().decodeOtherPages(commonValues.getCurrentPage(), commonValues.getPageCount()); return; } else if (decode_pdf.getDisplayView() == Display.CONTINUOUS || decode_pdf.getDisplayView() == Display.CONTINUOUS_FACING) { //resize (ensure at least certain size) //must be here as otherwise will not redraw if new page opened //in multipage mode currentGUI.scaleAndRotate(); currentGUI.scrollToPage(commonValues.getCurrentPage()); if (!SharedViewer.isFX()) { return; } } else if (decode_pdf.getDisplayView() == Display.PAGEFLOW) { return; } //stop user changing scaling while decode in progress currentGUI.resetComboBoxes(false); currentGUI.getButtons().setPageLayoutButtonsEnabled(false); //Decoding happens here performDecoding(currentGUI); //Update multibox if (!SharedViewer.isFX()) { ((StatusBar) currentGUI.getStatusBar()).setProgress(100); } currentGUI.setMultibox(new int[]{}); //reanable user changing scaling currentGUI.resetComboBoxes(true); if (decode_pdf.getPageCount() > 1) { currentGUI.getButtons().setPageLayoutButtonsEnabled(true); } /* * if page has transition we will have stored values earlier and now need to use and remove */ if (isJavaFX) { final FXAdditionalData additionaValuesforPage = (FXAdditionalData) decode_pdf.getExternalHandler(Options.JavaFX_ADDITIONAL_OBJECTS); if (additionaValuesforPage != null) { final DynamicVectorRenderer fxDisplay = decode_pdf.getDynamicRenderer(); try { fxDisplay.drawAdditionalObjectsOverPage(additionaValuesforPage.getType(), null, additionaValuesforPage.getObj()); } catch (final PdfException ex) { org.jpedal.utils.LogWriter.writeLog("Exception attempting to draw additional objects " + ex); } } } if (currentGUI.getFrame() != null) { currentGUI.reinitialiseTabs(currentGUI.getDividerLocation() > currentGUI.getStartSize()); } finishedDecoding = true; //Ensure page is at the correct scaling and rotation for display currentGUI.scaleAndRotate(); setCursor(1); } void setCursor(final int type) { //only used in Swing implementation } /* * Set title to display on top of Swing of FX viewer (include days left on trial version) *(non-Javadoc) * @see org.jpedal.examples.viewer.gui.swing.GUIFactory#addCombo(java.lang.String, java.lang.String, int) */ @Override public void setViewerTitle(String title) { if (title != null && FileAccess.bb > 0) { title = "(" + FileAccess.bb + " days left) " + title; } else { //set null title value to empty string if (commonValues.getSelectedFile() == null) { title = (windowTitle + ' '); } else { title = (windowTitle + ' ' + commonValues.getSelectedFile()); } final PdfObject linearObj = (PdfObject) decode_pdf.getJPedalObject(PdfDictionary.Linearized); if (linearObj != null) { final LinearThread linearizedBackgroundReaderer = (LinearThread) decode_pdf.getJPedalObject(PdfDictionary.LinearizedReader); if (linearizedBackgroundReaderer != null && linearizedBackgroundReaderer.isAlive()) { title += " (still loading)"; } else { title += " (Linearized)"; } } if (commonValues.isFormsChanged() && !isJavaFX) { title = "* " + title; } } setTitle(title); } /** * Sets the title for the Viewer. */ protected abstract void setTitle(final String title); /** * Sets the icon for the Viewer. */ protected void setViewerIcon() { throw new UnsupportedOperationException("Should be over-ridden in SwingGUI or JavaFxGUI"); } /** * Adds listener for the ComboBoxes and Title. */ protected void addComboListenerAndLabel(final GUICombo combo) { throw new UnsupportedOperationException("Should be over-ridden in SwingGUI or JavaFxGUI"); } /** * Adds the ComboBoxes to theViewer. * Resize box & rotation box. */ protected void addGUIComboBoxes(final GUICombo combo) { throw new UnsupportedOperationException("Should be over-ridden in SwingGUI or JavaFxGUI"); } /** * Sets the background for the main center display * panel which holds the PDF content pane. */ protected void setupCenterPanelBackground() { throw new UnsupportedOperationException("Should be over-ridden in SwingGUI or JavaFxGUI"); } /** * Performs initial setup of the ComboBoxes. * Resize box & rotation box. */ protected void setupComboBoxes() { throw new UnsupportedOperationException("Should be over-ridden in SwingGUI or JavaFxGUI"); } /** * Adds key listeners for keyboard navigation of the Viewer. */ protected void setupKeyboardControl() { throw new UnsupportedOperationException("Should be over-ridden in SwingGUI or JavaFxGUI"); } /** * Sets up the central display pane to display the pdf content. */ protected void setupPDFDisplayPane() { throw new UnsupportedOperationException("Should be over-ridden in SwingGUI or JavaFxGUI"); } /** * Sets up the panes to the left and right of the central display. * Bookmarks & Thumbnails Pages etc. */ protected void setupBorderPanes() { throw new UnsupportedOperationException("Should be over-ridden in SwingGUI or JavaFxGUI"); } protected void createOtherToolBars() { throw new UnsupportedOperationException("Should be over-ridden in SwingGUI or JavaFxGUI"); } /** * Sets up the position & visual style of the items on * the bottom toolbar (page navigation buttons etc). */ protected void setupBottomToolBarItems() { throw new UnsupportedOperationException("Should be over-ridden in SwingGUI or JavaFxGUI"); } /** * Creates a glowing border around the PDFDisplayPane. */ protected void setupPDFBorder() { throw new UnsupportedOperationException("Should be over-ridden in SwingGUI or JavaFxGUI"); } /** * Creates the top two menu bars, the file loading & viewer properties one * and the PDF toolbar, the one which controls printing, searching etc. */ protected void createTopMenuBar() { throw new UnsupportedOperationException("Should be over-ridden in SwingGUI or JavaFxGUI"); } /** * Creates the Main Display Window for all of the JavaFX Content. * * @param width is of type int * @param height is of type int */ protected void createMainViewerWindow(final int width, final int height) { throw new UnsupportedOperationException("Should be over-ridden in SwingGUI or JavaFxGUI"); } protected void setupSidebarTitles() { pageTitle = Messages.getMessage("PdfViewerJPanel.thumbnails"); bookmarksTitle = Messages.getMessage("PdfViewerJPanel.bookmarks"); layersTitle = Messages.getMessage("PdfViewerJPanel.layers"); signaturesTitle = Messages.getMessage("PdfViewerJPanel.signatures"); annotationTitle = Messages.getMessage("PdfViewerJPanel.annotations"); } /** * Get the label of the given page. PDFs can specify a label for a page * (such as using Roman numerals), the method will return the page label if * one exists, otherwise it will return the default of the page number. * * @param pageNumber int value to present the page number * @return String value representing the page label for the page. */ @Override public String getPageLabel(final int pageNumber) { if (commonValues.isPDF()) { //Only check labels if pdf final String value = decode_pdf.getIO().convertPageNumberToLabel(pageNumber); if (value != null) { return value; } } return String.valueOf(pageNumber); } /** * Get if the page label for a given page differs from the default page numbers * * @param pageNumber int value representing the page number * @return true if the page label differs, false otherwise */ public boolean pageLabelDiffers(final int pageNumber) { final String value = decode_pdf.getIO().convertPageNumberToLabel(pageNumber); if (value != null) { return !value.equals(String.valueOf(pageNumber)); } return false; } }