3

您好我正在尝试使用 Apache Poi 框架将 ppt 的每张幻灯片转换为单独的 png。问题是一些幻灯片变形了。例如,有一张幻灯片,其背景具有彩虹色。某些幻灯片上的图像根本不会出现在 .png 文件中

这是代码:

        FileInputStream is = new FileInputStream(args[0]);

        SlideShow ppt = new SlideShow(is);


        is.close();

        Dimension pgsize = ppt.getPageSize();

        Slide[] slide = ppt.getSlides();

        for (int i = 0; i < slide.length; i++) {

        BufferedImage img = new BufferedImage(pgsize.width, pgsize.height,
        BufferedImage.TYPE_INT_RGB);
        Graphics2D graphics = img.createGraphics();
        //clear the drawing area
        graphics.setPaint(Color.white);
        graphics.fill(new Rectangle2D.Float(0, 0, pgsize.width, pgsize.height));

        //render
        slide[i].draw(graphics);

        //save the output
        FileOutputStream out = new FileOutputStream("C:\\Users\\Farzad\\Desktop\\slide-" + (i+1) + ".png");
        javax.imageio.ImageIO.write(img, "png", out);
        out.close();
        }
4

1 回答 1

1

为此,我们不必使用:

graphics.setPaint(Color.white);

而是使用:

graphics.setPaint(
    slideShow.getSlides()[0].getBackground().getFill().getForegroundColor()
);
于 2012-11-07T12:08:26.503 回答