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FreeHEP Enhanced Metafile Format Driver
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// Copyright 2002, FreeHEP.
package org.freehep.graphicsio.emf.gdi;

import java.io.IOException;

import org.freehep.graphicsio.emf.EMFConstants;
import org.freehep.graphicsio.emf.EMFInputStream;
import org.freehep.graphicsio.emf.EMFOutputStream;

/**
 * EMF BitmapInfoHeader
 * 
 * @author Mark Donszelmann
 * @version $Id: freehep-graphicsio-emf/src/main/java/org/freehep/graphicsio/emf/gdi/BitmapInfoHeader.java 10ec7516e3ce 2007/02/06 18:42:34 duns $
 */
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
        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;
    }

    public int getBitCount() {
        return bitCount;
    }

    public int getCompression() {
        return compression;
    }

    public int getClrUsed() {
        return clrUsed;
    }

    public int getWidth() {
        return width;
    }

    public int getHeight() {
        return height;
    }
}