Example usage for org.apache.poi.sl.usermodel Slide draw

Introduction

In this page you can find the example usage for org.apache.poi.sl.usermodel Slide draw.

Prototype

void draw(Graphics2D graphics);

Source Link

Document

Convenience method to draw a sheet to a graphics context

Usage

From source file:org.quelea.data.powerpoint.PresentationSlide.java

License:Open Source License

/**
 * Create a new presentation slide.// www .  j a va 2  s.com
 *
 * @param slide the underlying apache POI slide.
 */
public PresentationSlide(Slide slide, int numSlide) {
    SlideShow slideshow = slide.getSlideShow();
    if (Math.abs(slideshow.getPageSize().getHeight() - HEIGHT) > 0.1) {
        int adjustHeight = HEIGHT;
        int adjustWidth = (int) ((adjustHeight / slideshow.getPageSize().getHeight())
                * slideshow.getPageSize().getWidth());
        scaleWidth = (double) adjustWidth / slideshow.getPageSize().getWidth();
        scaleHeight = (double) adjustHeight / slideshow.getPageSize().getHeight();
        slideshow.setPageSize(new Dimension(adjustWidth, adjustHeight));
    }
    BufferedImage originalImage = new BufferedImage((int) slideshow.getPageSize().getWidth(),
            (int) slideshow.getPageSize().getHeight(), BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = originalImage.createGraphics();
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    try {
        g2.setTransform(AffineTransform.getScaleInstance(scaleWidth, scaleHeight));
        slide.draw(g2);
    } catch (Exception ex) {
        if (QueleaProperties.get().getUsePP()) {
            LOGGER.log(Level.INFO, "Couldn't use library to generate thumbnail, using default");
            draw(g2, originalImage.getWidth(), originalImage.getHeight(), numSlide);
        } else {
            throw ex;
        }
    }
    image = new WritableImage(originalImage.getWidth(), originalImage.getHeight());
    SwingFXUtils.toFXImage(originalImage, image);
    originalImage.flush();
    originalImage = null;
}

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