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Dimension 是什么意思?谢谢
来源: 互联网 发布时间:2015-03-29
本文导语: | The Dimension class encapsulates the width and height of a component (in integer precision) in a single object.The class is associated with certain properties of components. Several methods defined by the Component class and the LayoutManager...
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The Dimension class encapsulates the width and height of a component (in integer precision) in a single object.The class is associated with certain properties of components. Several methods defined by the Component class and the LayoutManager interface return a Dimension object.
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Dimension类是用来管理component(容器)大小的。比如:
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension frameSize = frame.getSize();
if (frameSize.height > screenSize.height) {
frameSize.height = screenSize.height;
}
if (frameSize.width > screenSize.width) {
frameSize.width = screenSize.width;
}
frame.setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2);
frame.setVisible(true);
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension frameSize = frame.getSize();
if (frameSize.height > screenSize.height) {
frameSize.height = screenSize.height;
}
if (frameSize.width > screenSize.width) {
frameSize.width = screenSize.width;
}
frame.setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2);
frame.setVisible(true);
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