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// Copyright 2000, CERN, Geneva, Switzerland and University of Santa Cruz, California, U.S.A.
package org.freehep.graphicsio;

import java.awt.Dimension;
import java.awt.Insets;
import java.util.HashMap;
import java.util.Map;

/**
 * This class defines a set of constants which describe a page. Convenience
 * objects are provided for various margins, orientations, rescaling, and
 * standard page sizes.
 * 
 * @author Charles Loomis
 * @author Mark Donszelmann
 * @version $Id: freehep-graphicsio/src/main/java/org/freehep/graphicsio/PageConstants.java 8b39cdff4c34 2007/01/03 18:59:24 duns $
 */
public class PageConstants {

    private PageConstants() {
    }

    // Orientation
    public static final String ORIENTATION = "Orientation";

    public static final String PORTRAIT = "Portrait";

    public static final String LANDSCAPE = "Landscape";

    public static final String BEST_FIT = "Best Fit";

    public final static String[] getOrientationList() {
        return new String[] { PORTRAIT, LANDSCAPE, /* BEST_FIT */};
    }

    // Page Sizes
    public static final String PAGE_SIZE = "PageSize";

    public static final String INTERNATIONAL = "International";

    public static final String A3 = "A3";

    public static final String A4 = "A4";

    public static final String A5 = "A5";

    public static final String A6 = "A6";

    /**
     * Value for CUSTOM_PAGE_SIZE and Key for a Dimension
     * object if custom size is used
     */
    public static final String CUSTOM_PAGE_SIZE = "Custom PageSize";

    public static final String LETTER = "Letter";

    public static final String LEGAL = "Legal";

    public static final String EXECUTIVE = "Executive";

    public static final String LEDGER = "Ledger";

    public static final String[] getSizeList() {
        return new String[] { INTERNATIONAL, A4, LETTER, A3, LEGAL, A5, A6,
                EXECUTIVE, LEDGER };
    }

    public static final Dimension getSize(String size) {
        return getSize(size, PORTRAIT);
    }

    public static final Dimension getSize(String size, String orientation) {
        Dimension d = sizeTable.get(size);
        if (orientation.equals(PORTRAIT)) {
            return d;
        } else {
            return new Dimension(d.height, d.width);
        }
    }

    private static final Map sizeTable = new HashMap();
    static {
        sizeTable.put(INTERNATIONAL, new Dimension(595, 791));
        sizeTable.put(A3, new Dimension(842, 1191));
        sizeTable.put(A4, new Dimension(595, 842));
        sizeTable.put(A5, new Dimension(420, 595));
        sizeTable.put(A6, new Dimension(298, 420));
        sizeTable.put(LETTER, new Dimension(612, 791));
        sizeTable.put(LEGAL, new Dimension(612, 1009));
        sizeTable.put(EXECUTIVE, new Dimension(539, 720));
        sizeTable.put(LEDGER, new Dimension(791, 1225));
    }

    // Margins
    public static final String PAGE_MARGINS = "PageMargins";

    public static final String SMALL = "Small";

    public static final String MEDIUM = "Medium";

    public static final String LARGE = "Large";

    private static final Map marginTable = new HashMap();
    static {
        marginTable.put(SMALL, new Insets(20, 20, 20, 20));
        marginTable.put(MEDIUM, new Insets(30, 30, 30, 30));
        marginTable.put(LARGE, new Insets(40, 40, 40, 40));
    }

    public static final Insets getMargins(String size) {
        return marginTable.get(size);
    }

    public static final Insets getMargins(Insets insets, String orientation) {
        if (orientation.equals(PORTRAIT)) {
            return insets;
        } else {
            // turn page to right
            return new Insets(insets.left, insets.bottom, insets.right,
                    insets.top);
        }
    }

    // Fit
    public static final String FIT_TO_PAGE = "FitToPage";

    // FIXME: should move?
    public static final String TRANSPARENT = "Transparent";

    public static final String BACKGROUND = "Background";

    public static final String BACKGROUND_COLOR = "BackgroundColor";
}