Example usage for org.apache.pdfbox.rendering PDFRenderer PDFRenderer

Introduction

In this page you can find the example usage for org.apache.pdfbox.rendering PDFRenderer PDFRenderer.

Prototype

public PDFRenderer(PDDocument document)

Source Link

Document

Creates a new PDFRenderer.

Usage

From source file:view.ImagePanel.java

License:Open Source License

public void setDocumentAndComponents(final MainWindow mainWindow, JScrollPane parent, Document document,
        final JButton btnBackward, final JButton btnForward) {
    this.mainWindow = mainWindow;
    this.parent = parent;
    try {//from   w  ww. ja v  a 2s .c  o  m
        this.documentLocation = document.getDocumentLocation();
        this.pdfDocument = PDDocument.load(new File(documentLocation));
        this.pdfRenderer = new PDFRenderer(pdfDocument);
        numberOfPages = pdfDocument.getPages().getCount();

        if (buf != null) {
            buf.flush();
            buf = null;
        }

        System.gc();

        Runnable r = new Runnable() {

            @Override
            public void run() {
                status = Status.RENDERING;
                ImagePanel.this.btnPageBackward = btnBackward;
                ImagePanel.this.btnPageForward = btnForward;
                ImagePanel.this.pageNumber = 0;
                ImagePanel.this.scale = 1f;
                ImagePanel.this.svList = null;
                setBorder(null);
                JLabel lblDocName = new JLabel(documentLocation);
                lblDocName.setLocation(0, 0);
                add(lblDocName);
                lblDocName.setVisible(true);
                try {
                    buf = pdfRenderer.renderImage(0, 2f, ImageType.RGB);
                    mainWindow.getWorkspacePanel().showPanelComponents();
                    status = Status.READY;
                } catch (IOException ex) {
                    return;
                }
                refreshParent();
                refreshTitle();
            }
        };

        Thread t = new Thread(r);
        t.start();

        if (pdfDocument == null) {
            mainWindow.getWorkspacePanel().setDocument(null);
            return;
        }

    } catch (IOException ex) {
        controller.Logger.getLogger().addEntry(ex);
    }
}