bitmover8rgb.java

来自「Mapserver的一个java客户端,包含两个applet支持地图显示。」· Java 代码 · 共 25 行

// Copyright (C) 1998, 1999, 2001 Chris Nokleberg
// Please see included LICENSE.TXT

package com.sixlegs.image.png;

import java.io.IOException;
import java.io.InputStream;

final class BitMover8RGB
extends BitMover
{
    int fill(int[] pixels, InputStream str, int off, int len)
    throws IOException
    {
        for (int n = 0; n < len; n++) {
            int r = str.read();
            int g = str.read();
            int b = str.read();
            int val = gammaTable[r] << 16 | gammaTable[g] << 8 | gammaTable[b];
            pixels[off++] = ((r << 16 | g << 8 | b) == trans ? 0 : 0xFF000000) | val;
        }
        return off;
    }
}