[英]How can I draw rulers in a JPanel?
我有一個包含圖像的JPanel。 我想在JPanel的邊界上繪制標尺。 如何做到?我應該在哪里尋找提示?
滾動窗格只能使用自己的自定義裝飾 。 官方網站上有信息,也許您可以使用?
(來源: sun.com )
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