Java/JAI-保存灰度图像

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问题描述

我尝试保存tiff而不是彩色的灰度.我该怎么办? (必须使用JAI，因为它是tiff！)

I try to save the tiff instead of coloure gray-scaled. How could I do this? (JAI must be used, because it is a tiff!)

非常感谢&最好的问候.

Thanks a lot in advance & Best Regards.

推荐答案

您想要的是下载 JAI图像I/O工具，它为JAI提供了ImageIO适配器.安装完之后，一切都会顺利进行.

What you want is to download the JAI Image I/O Tools, which provides ImageIO adapters for JAI. Once you've installed that, it's smooth sailing.

final BufferedImage in = ImageIO.read(new File("frabozzle.tif"));
final BufferedImage out = new BufferedImage(
    in.getWidth(), in.getHeight(),
    BufferedImage.TYPE_BYTE_GRAY);
out.getGraphics().drawImage(in, 0, 0, null);
ImageIO.write(out, "TIFF", new File("graybozzle.tif"));

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