Question

我编写了以下代码来检查图像的类型是“RGB，BGR还是任何其他类型”。当我运行代码我收到的值等于5，我也检查了文档here，但我仍然不知道哪个类型相当于5号！

请让我知道如何知道5的等效图像类型。

码：

public class MainClass {

public static void main(String[] args) throws IOException {

    File imgFile = new File("c:\\img.jpg");
    BufferedImage bi = ImageIO.read(imgFile);

    System.out.println(bi.getType());
}

}

Answer 1

它是TYPE_3BYTE_BGR：

/**
 * Represents an image with 8-bit RGB color components, corresponding 
 * to a Windows-style BGR color model) with the colors Blue, Green,
 * and Red stored in 3 bytes.  There is no alpha.  The image has a
 * <code>ComponentColorModel</code>.
 * When data with non-opaque alpha is stored
 * in an image of this type,
 * the color data must be adjusted to a non-premultiplied form
 * and the alpha discarded,
 * as described in the
 * {@link java.awt.AlphaComposite} documentation.
 */
public static final int TYPE_3BYTE_BGR = 5;

Answer 2

阅读您提供的getType（）文档，让我看到“另请参阅”中的图像类型列表。这导致了Constant Field Values文件。似乎5相当于“TYPE_3BYTE_BGR”。

哪种图像类型相当于5

2 个答案: