我有一个JButton
的矩阵n * n,在JPanel
中。目前,我在每个JButton
中设置ImageIcon
,随时间变化。这不是一个简单的ImageIcon,它是2倍的图像,我用这个功能重叠:如何在Java中存储ImageIcon
public ImageIcon DoubleImage(BufferedImage eau, BufferedImage img){
// Create a new image.
finalIcon = new BufferedImage(
eau.getWidth(), eau.getHeight(),
BufferedImage.TYPE_INT_ARGB); // start transparent
// Get the graphics object. This is like the canvas you draw on.
Graphics g = finalIcon.getGraphics();
// Now we draw the images.
g.drawImage((Image) eau, 0, 0, null); // start at (0, 0)
img = resize((BufferedImage) img, eau.getWidth(), eau.getHeight());
g.drawImage((Image) img, eau.getWidth()/2-img.getHeight()/2, eau.getHeight()/2-img.getWidth()/2, null); // start at (10, 10)
// Once we're done drawing on the Graphics object, we should
// call dispose() on it to free up memory.
g.dispose();
// Finally, convert to ImageIcon and apply.
ImageIcon icon = new ImageIcon(finalIcon);
return icon;
}
我现在的问题是,在时间每次迭代中,我不得不改变我的图标在我的JButtons
。这意味着我必须重新绘制图标,而我没有超过10个不同的最终图像。但它需要太多时间(应用程序滞后于一个小的10 * 10矩阵;因为迭代每1秒发生一次,所以我必须修复这个问题)。我有一开始创建所有图像并将它们存储在某处的想法,但我不知道如何执行此操作?也许有一个枚举?就在我班的构造函数中?
我必须精确地说我的主类扩展了JButton
,并且我为它的最终矩阵实例化了n * n。
编辑:函数resize
public static BufferedImage resize(BufferedImage img, int newW, int newH) {
Image tmp = img.getScaledInstance(newW, newH, Image.SCALE_SMOOTH);
BufferedImage dimg = new BufferedImage(newW, newH, BufferedImage.TYPE_INT_ARGB);
Graphics2D g2d = dimg.createGraphics();
g2d.drawImage(tmp, 0, 0, null);
g2d.dispose();
return dimg;
}
EDIT2代码:代码,我在每次迭代
public void iteration(){
final Vue vue = marreGraphique.lireVue();
final Presenter presenter = vue.lirePresenter();
try{ //here I'm just instantiating my BufferedImage
eau = ImageIO.read(new File("Icones/mosaique.jpg"));
if(grenouille){
img = ImageIO.read(new File(presenter.getGrenouilleImg()));
}
else{
img = ImageIO.read(new File(presenter.getImg(ligne, colonne)));
}
}
catch (IOException e){}
icon = DoubleImage(eau,img);
setIcon(icon);
setHorizontalAlignment(SwingConstants.CENTER);
setVerticalAlignment(SwingConstants.CENTER);
}
你想调整图像? (指'调整大小()') – ItamarG3
是的,我编辑我的帖子与'resize'代码 – pioupiou1211
是的,我看到...试图找出发生了什么... – ItamarG3