使用 Apache poi 将 ppt 转换为 png [英] Converting ppt to png using Apache poi
本文介绍了使用 Apache poi 将 ppt 转换为 png的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
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,其背景为彩虹色.某些幻灯片上的图像根本不会出现在 .png 文件中
Hello I am trying to use the Apache Poi framework to convert each slide of a ppt to an individual png. The problem is that some slides are deformed. For instance there is a slide where the background has a rainbow color to it. And Images that are on some slides do not appear at all on the .png file
代码如下:
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();
}
推荐答案
为此,我们不必使用:
graphics.setPaint(Color.white);
改为使用:
graphics.setPaint(
slideShow.getSlides()[0].getBackground().getFill().getForegroundColor()
);
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