我试图获取图像的每个像素的每种颜色。
我的想法如下:
int[] pixels;
BufferedImage image;
image = ImageIO.read(this.getClass.getResources("image.png");
int[] pixels = ((DataBufferInt)image.getRaster().getDataBuffer()).getData();
是对的吗?我什至无法检查“像素”数组包含的内容,因为我收到以下错误:
java.awt.image.DataBufferByte cannot be cast to java.awt.image.DataBufferInt
我只想接收数组中每个像素的颜色,我该如何实现?
import java.io.*;
import java.awt.*;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
public class GetPixelColor {
public static void main(String args[]) throws IOException {
File file = new File("your_file.jpg");
BufferedImage image = ImageIO.read(file);
// Getting pixel color by position x and y
int clr = image.getRGB(x, y);
int red = (clr & 0x00ff0000) >> 16;
int green = (clr & 0x0000ff00) >> 8;
int blue = clr & 0x000000ff;
System.out.println("Red Color value = " + red);
System.out.println("Green Color value = " + green);
System.out.println("Blue Color value = " + blue);
}
}
当然,你还得添加一个for
循环所有像素。
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