是否有一款Java库可以像PHP的GD库那样将文本写入图片中。
请尝试以下代码
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
public class Testing {
public static void main(String arg[]) throws IOException {
String key = "Sample";
BufferedImage bufferedImage = new BufferedImage(170, 30,
BufferedImage.TYPE_INT_RGB);
Graphics graphics = bufferedImage.getGraphics();
graphics.setColor(Color.LIGHT_GRAY);
graphics.fillRect(0, 0, 200, 50);
graphics.setColor(Color.BLACK);
graphics.setFont(new Font("Arial Black", Font.BOLD, 20));
graphics.drawString(key, 10, 25);
ImageIO.write(bufferedImage, "jpg", new File(
"C:/Users/admin/desktop/image.jpg"));
System.out.println("Image Created");
}
}
好的。首先使用ImageIO
方法加载图片。然后,使用代表图像本身的Graphics
对象,调用drawString
方法。