/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.sanselan.formats.bmp.pixelparsers;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import org.apache.sanselan.ImageReadException;
import org.apache.sanselan.common.BinaryFileParser;
import org.apache.sanselan.formats.bmp.BmpHeaderInfo;
public abstract class PixelParser
{
public final BmpHeaderInfo bhi;
public final byte colorTable[];
public final byte imageData[];
protected final BinaryFileParser bfp;
protected final ByteArrayInputStream is;
public PixelParser(BmpHeaderInfo bhi, byte ColorTable[], byte ImageData[])
{
this.bhi = bhi;
this.colorTable = ColorTable;
this.imageData = ImageData;
bfp = new BinaryFileParser(BinaryFileParser.BYTE_ORDER_INTEL);
is = new ByteArrayInputStream(ImageData);
}
public abstract void processImage(BufferedImage bi)
throws ImageReadException, IOException;
protected int getColorTableRGB(int index)
{
index *= 4;
int blue = 0xff & colorTable[index + 0];
int green = 0xff & colorTable[index + 1];
int red = 0xff & colorTable[index + 2];
int alpha = 0xff;
int rgb = (alpha << 24) | (red << 16) | (green << 8) | (blue << 0);
return rgb;
}
}