public BufferedImage getImage()

in netbeans.apache.org/src/old_content/content/tutorials/74/images/paintapp_70_PaintCanvas.java [71:93]

• 23 lines of code
• 10 McCabe index (conditional complexity)

    public BufferedImage getImage() {
        int width = Math.min(getWidth(), 1600);
        int height = Math.min(getHeight(), 1200);
        if (backingImage == null || backingImage.getWidth() != width || backingImage.getHeight() != height) {
            int newWidth = backingImage == null ? width : Math.max(width, backingImage.getWidth());
            int newHeight = backingImage == null ? height : Math.max(height, backingImage.getHeight());
            if (newHeight > height && newWidth > width && backingImage != null) {
                return backingImage;
            }
            BufferedImage old = backingImage;
            backingImage = new BufferedImage(newWidth, newHeight, BufferedImage.TYPE_INT_ARGB_PRE);
            Graphics2D g = backingImage.createGraphics();
            g.setColor(Color.WHITE);
            g.fillRect(0, 0, width, height);
            if (old != null) {
                g.drawRenderedImage(old,
                        AffineTransform.getTranslateInstance(0, 0));
            }
            g.dispose();
            setPreferredSize(new Dimension (newWidth, newHeight));
        }
        return backingImage;
    }