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/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* Licensed 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.
*/
/* $Id$ */
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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