converter.java

来自「Online Map for Mobile」· Java 代码 · 共 14 行

public class Converter {
    static void packInt(byte[] arr, int offs, int x) { 
        arr[offs] = (byte)(x >> 24);
        arr[offs+1] = (byte)(x >> 16);
        arr[offs+2] = (byte)(x >> 8);
        arr[offs+3] = (byte)x;
    }

    static int unpackInt(byte[] arr, int offs) { 
        return (arr[offs] << 24) | ((arr[offs+1] & 0xFF) << 16) | ((arr[offs+2] & 0xFF) << 8) | (arr[offs+3] & 0xFF);
    }
}