ImageIO.write不能另存为gif，但适用于jpg和png? [英] ImageIO.write not saving out as gif, but works for jpgs and pngs?

问题描述

我怀疑这里的解决方案可能真的很简单，但是我很困惑...

I suspect the solution here is probably really simple, but I'm stumped...

// Create the buffered image.
BufferedImage bufferedImage = new BufferedImage(w,h,BufferedImage.TYPE_INT_RGB);

// fill image data (works fine)
ImageIO.write(bufferedImage, "JPG", f1); // works fine
ImageIO.write(bufferedImage, "PNG", f2); // works fine
ImageIO.write(bufferedImage, "GIF", f3); // this returns false, creates a broken gif file, but fires no exceptions

ImageIO.write()不能用于gif吗?这是对gif作为Compuserve专有的东西吗?还是我只是愚蠢(我猜这是最后一个了:))

Does ImageIO.write() not work for gifs? is this some sort of throwback to gif being a proprietary Compuserve thing? Or am I just being stupid (I'm guessing it's the last one :) )

推荐答案

请注意，GIF只能存储256种颜色.

Note that GIF can only store 256 colors.

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