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我正在嘗試創建自定義Label
。我想根據用戶輸入的內容,在Image
上做標記。我真的不知道該怎麼做,但我希望你能知道我在這裏想達到的目標。什麼是派生類Label
的正確方法?這是我的代碼。LWUIT標籤:創建自定義標籤
class CustomLabel extends Label
{
List paths;
Image image;
public CustomLabel(Image img,List paths)
{
this.image = img;
this.paths = paths;
}
public void paint(Graphics g)
{
g.setColor(0x000000);
for (int i = 0; i < paths.size(); i++)
{
Path path = (Path)paths.getModel().getItemAt(i);
int firstLocX = path.discoveredNode.getX();
int firstLocY = path.discoveredNode.getY();
int secondLocX = path.nodeDiscovered.getX();
int secondLocY = path.nodeDiscovered.getY();
g.drawLine(firstLocX, firstLocY, secondLocX, secondLocY);
}
g.drawImage(image, 0, 0);
UIManager.getInstance().getLookAndFeel().drawLabel(g, this);
}
}
我希望你能幫助我。
感謝,