我想问一下如何获取图片的宽度和高度,因为这个返回值是-1:
private void resizeImage(Image image){
JLabel imageLabel = new JLabel();
int imageWidth = image.getWidth(null);
int imageHeight = image.getHeight(null);
System.out.println("Width:" + imageWidth);
System.out.println("Height:" + imageHeight);
}