我有将装上图像的JPanel。
由于图像不会像JPanel那样有同样的宽度和高度,我想要使图像转播并适合JPanel。
我有将装上图像的JPanel。
由于图像不会像JPanel那样有同样的宽度和高度,我想要使图像转播并适合JPanel。
阅读本条: The Perils of Value.getScaledInstance()
现在, 阁下,希望<>
Image scaledImage = originalImage.getScaledInstance(jPanel.getWidth(),jPanel.getHeight(),Image.SCALE_SMOOTH);
在将图像装上您的JPanel之前,可能像讨论过的in。 页: 1
我知道这一点是老的,但也许会帮助其他人。
采用这种分类,而不是使用普通的JLabel,并在使用Icon(#)时通过图像Icon;
private class ImageLabel extends JLabel{
private Image _myimage;
public ImageLabel(String text){
super(text);
}
public void setIcon(Icon icon) {
super.setIcon(icon);
if (icon instanceof ImageIcon)
{
_myimage = ((ImageIcon) icon).getImage();
}
}
@Override
public void paint(Graphics g){
g.drawImage(_myimage, 0, 0, this.getWidth(), this.getHeight(), null);
}
}
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