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/*
* $Id$
* ============================================================================
* The Apache Software License, Version 1.1
* ============================================================================
*
* Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modifica-
* tion, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by the Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "FOP" and "Apache Software Foundation" must not be used to
* endorse or promote products derived from this software without prior
* written permission. For written permission, please contact
* apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache", nor may
* "Apache" appear in their name, without prior written permission of the
* Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
* DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ============================================================================
*
* This software consists of voluntary contributions made by many individuals
* on behalf of the Apache Software Foundation and was originally created by
* James Tauber <jtauber@jtauber.com>. For more information on the Apache
* Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.fop.fo.properties;
import org.apache.fop.datatypes.ColorType;
import org.apache.fop.fo.Constants;
/**
* Stores all common border and padding properties.
* See Sec. 7.7 of the XSL-FO Standard.
*/
public class CommonBorderAndPadding implements Cloneable {
public static final int BEFORE = 0;
public static final int AFTER = 1;
public static final int START = 2;
public static final int END = 3;
/* TODO: need new definitions (below relations not always the same,
also unsure if direct access of absolute properties needed;
resolution of absolute & relative properties--Spec 5.3.1--can
possibly be done within this class alone)
public static final int TOP = BEFORE;
public static final int BOTTOM = AFTER;
public static final int LEFT = START;
public static final int RIGHT = END;
*/
private static class ResolvedCondLength implements Cloneable {
private int iLength; // Resolved length value
private boolean bDiscard;
public ResolvedCondLength(CondLengthProperty length) {
bDiscard = length.isDiscard();
iLength = length.getLengthValue();
}
public Object clone() throws CloneNotSupportedException {
return super.clone();
}
}
/**
* Return a full copy of the BorderAndPadding information. This clones all
* padding and border information.
* @see java.lang.Object#clone()
*/
public Object clone() throws CloneNotSupportedException {
CommonBorderAndPadding bp = (CommonBorderAndPadding) super.clone();
bp.padding = (ResolvedCondLength[]) padding.clone();
bp.borderInfo = (BorderInfo[]) borderInfo.clone();
for (int i = 0; i < padding.length; i++) {
if (padding[i] != null) {
bp.padding[i] = (ResolvedCondLength) padding[i].clone();
}
if (borderInfo[i] != null) {
bp.borderInfo[i] = (BorderInfo) borderInfo[i].clone();
}
}
return bp;
}
public static class BorderInfo implements Cloneable {
private int mStyle; // Enum for border style
private ColorType mColor; // Border color
private ResolvedCondLength mWidth;
BorderInfo(int style, CondLengthProperty width, ColorType color) {
mStyle = style;
mWidth = new ResolvedCondLength(width);
mColor = color;
}
public Object clone() throws CloneNotSupportedException {
BorderInfo bi = (BorderInfo) super.clone();
bi.mWidth = (ResolvedCondLength) mWidth.clone();
// do we need to clone the Color too???
return bi;
}
}
private BorderInfo[] borderInfo = new BorderInfo[4];
private ResolvedCondLength[] padding = new ResolvedCondLength[4];
public void setBorder(int side, int style, CondLengthProperty width,
ColorType color) {
borderInfo[side] = new BorderInfo(style, width, color);
}
public void setPadding(int side, CondLengthProperty width) {
padding[side] = new ResolvedCondLength(width);
}
public void setPaddingLength(int side, int iLength) {
padding[side].iLength = iLength;
}
public void setBorderLength(int side, int iLength) {
borderInfo[side].mWidth.iLength = iLength;
}
public int getBorderStartWidth(boolean bDiscard) {
return getBorderWidth(START, bDiscard);
}
public int getBorderEndWidth(boolean bDiscard) {
return getBorderWidth(END, bDiscard);
}
public int getBorderBeforeWidth(boolean bDiscard) {
return getBorderWidth(BEFORE, bDiscard);
}
public int getBorderAfterWidth(boolean bDiscard) {
return getBorderWidth(AFTER, bDiscard);
}
public int getPaddingStart(boolean bDiscard) {
return getPadding(START, bDiscard);
}
public int getPaddingEnd(boolean bDiscard) {
return getPadding(END, bDiscard);
}
public int getPaddingBefore(boolean bDiscard) {
return getPadding(BEFORE, bDiscard);
}
public int getPaddingAfter(boolean bDiscard) {
return getPadding(AFTER, bDiscard);
}
public int getBorderWidth(int side, boolean bDiscard) {
if ((borderInfo[side] == null)
|| (borderInfo[side].mStyle == Constants.NONE)
|| (bDiscard && borderInfo[side].mWidth.bDiscard)) {
return 0;
} else {
return borderInfo[side].mWidth.iLength;
}
}
public ColorType getBorderColor(int side) {
if (borderInfo[side] != null) {
return borderInfo[side].mColor;
} else {
return null;
}
}
public int getBorderStyle(int side) {
if (borderInfo[side] != null) {
return borderInfo[side].mStyle;
} else {
return 0;
}
}
public int getPadding(int side, boolean bDiscard) {
if ((padding[side] == null) || (bDiscard && padding[side].bDiscard)) {
return 0;
} else {
return padding[side].iLength;
}
}
/**
* Return all the border and padding height in the block progression
* dimension.
* @param bDiscard the discard flag.
* @return all the padding and border height.
*/
public int getBPPaddingAndBorder(boolean bDiscard) {
return getPaddingBefore(bDiscard) + getPaddingAfter(bDiscard) +
getBorderBeforeWidth(bDiscard) + getBorderAfterWidth(bDiscard);
}
public String toString() {
return "CommonBordersAndPadding (Before, After, Start, End):\n" +
"Borders: (" + getBorderBeforeWidth(false) + ", " + getBorderAfterWidth(false) + ", " +
getBorderStartWidth(false) + ", " + getBorderEndWidth(false) + ")\n" +
"Border Colors: (" + getBorderColor(BEFORE) + ", " + getBorderColor(AFTER) + ", " +
getBorderColor(START) + ", " + getBorderColor(END) + ")\n" +
"Padding: (" + getPaddingBefore(false) + ", " + getPaddingAfter(false) + ", " +
getPaddingStart(false) + ", " + getPaddingEnd(false) + ")\n";
}
}
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