// Copyright 2002, FreeHEP.
package org.freehep.graphicsio.emf;

import java.io.IOException;

/**
 * EMF BitmapInfoHeader
 *
 * @author Mark Donszelmann
 * @version $Id: BitmapInfoHeader.java,v 1.1 2002/02/27 22:05:03 duns Exp $
 */
public class BitmapInfoHeader implements EMFConstants {

    public static final int size = 40;
    private int width;
    private int height;
    private int planes;
    private int bitCount;
    private int compression;
    private int sizeImage;
    private int xPelsPerMeter;
    private int yPelsPerMeter;
    private int clrUsed;
    private int clrImportant;

    public BitmapInfoHeader(int width, int height, int bitCount,
                            int compression, int sizeImage,
                            int xPelsPerMeter, int yPelsPerMeter,
                            int clrUsed, int clrImportant) {
        this.width = width;
        this.height = height;
        this.planes = 1;
        this.bitCount = bitCount;
        this.compression = compression;
        this.sizeImage = sizeImage;
        this.xPelsPerMeter = xPelsPerMeter;
        this.yPelsPerMeter = yPelsPerMeter;
        this.clrUsed = clrUsed;
        this.clrImportant = clrImportant;
    }

    public BitmapInfoHeader(EMFInputStream emf) throws IOException {
        int len = emf.readDWORD();        // seems fixed
        System.out.println(len);
        width = emf.readLONG();
        height = emf.readLONG();
        planes = emf.readWORD();
        bitCount = emf.readWORD();
        compression = emf.readDWORD();
        sizeImage = emf.readDWORD();
        xPelsPerMeter = emf.readLONG();
        yPelsPerMeter = emf.readLONG();
        clrUsed = emf.readDWORD();
        clrImportant = emf.readDWORD();
    }

    public void write(EMFOutputStream emf) throws IOException {
        emf.writeDWORD(size);
        emf.writeLONG(width);
        emf.writeLONG(height);
        emf.writeWORD(planes);
        emf.writeWORD(bitCount);
        emf.writeDWORD(compression);
        emf.writeDWORD(sizeImage);
        emf.writeLONG(xPelsPerMeter);
        emf.writeLONG(yPelsPerMeter);
        emf.writeDWORD(clrUsed);
        emf.writeDWORD(clrImportant);
    }

    public String toString() {
        return "    size: "+size+"\n"+
               "    width: "+width+"\n"+
               "    height: "+height+"\n"+
               "    planes: "+planes+"\n"+
               "    bitCount: "+bitCount+"\n"+
               "    compression: "+compression+"\n"+
               "    sizeImage: "+sizeImage+"\n"+
               "    xPelsPerMeter: "+xPelsPerMeter+"\n"+
               "    yPelsPerMeter: "+yPelsPerMeter+"\n"+
               "    clrUsed: "+clrUsed+"\n"+
               "    clrImportant: "+clrImportant;
    }
}


