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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: TraitSetter.java,v 1.6 2004/02/27 17:49:25 jeremias Exp $ */
package org.apache.fop.layoutmgr;
import org.apache.fop.fo.properties.CommonBorderAndPadding;
import org.apache.fop.traits.BorderProps;
import org.apache.fop.traits.LayoutProps;
import org.apache.fop.area.Area;
import org.apache.fop.area.Trait;
import org.apache.fop.fo.properties.CommonBackground;
import org.apache.fop.fo.properties.CommonMarginBlock;
/**
* This is a helper class used for setting common traits on areas.
*/
public class TraitSetter {
/**
* Sets border and padding traits on areas.
* @param area area to set the traits on
* @param bpProps border and padding properties
*/
public static void setBorderPaddingTraits(Area area,
CommonBorderAndPadding bpProps, boolean bNotFirst, boolean bNotLast) {
int iBP;
iBP = bpProps.getPadding(CommonBorderAndPadding.START, bNotFirst);
if (iBP > 0) {
//area.addTrait(new Trait(Trait.PADDING_START, new Integer(iBP)));
area.addTrait(Trait.PADDING_START, new Integer(iBP));
}
iBP = bpProps.getPadding(CommonBorderAndPadding.END, bNotLast);
if (iBP > 0) {
//area.addTrait(new Trait(Trait.PADDING_END, new Integer(iBP)));
area.addTrait(Trait.PADDING_END, new Integer(iBP));
}
iBP = bpProps.getPadding(CommonBorderAndPadding.BEFORE, false);
if (iBP > 0) {
// area.addTrait(new Trait(Trait.PADDING_BEFORE, new Integer(iBP)));
area.addTrait(Trait.PADDING_BEFORE, new Integer(iBP));
}
iBP = bpProps.getPadding(CommonBorderAndPadding.AFTER, false);
if (iBP > 0) {
//area.addTrait(new Trait(Trait.PADDING_AFTER, new Integer(iBP)));
area.addTrait(Trait.PADDING_AFTER, new Integer(iBP));
}
addBorderTrait(area, bpProps, bNotFirst,
CommonBorderAndPadding.START, Trait.BORDER_START);
addBorderTrait(area, bpProps, bNotLast, CommonBorderAndPadding.END,
Trait.BORDER_END);
addBorderTrait(area, bpProps, false, CommonBorderAndPadding.BEFORE,
Trait.BORDER_BEFORE);
addBorderTrait(area, bpProps, false, CommonBorderAndPadding.AFTER,
Trait.BORDER_AFTER);
}
/**
* Sets border traits on an area.
* @param area area to set the traits on
* @param bpProps border and padding properties
*/
private static void addBorderTrait(Area area,
CommonBorderAndPadding bpProps,
boolean bDiscard, int iSide,
Object oTrait) {
int iBP = bpProps.getBorderWidth(iSide, bDiscard);
if (iBP > 0) {
// area.addTrait(new Trait(oTrait,
// new BorderProps(bpProps.getBorderStyle(iSide),
// iBP,
// bpProps.getBorderColor(iSide))));
area.addTrait(oTrait,
new BorderProps(bpProps.getBorderStyle(iSide),
iBP, bpProps.getBorderColor(iSide)));
}
}
/**
* Add borders to an area.
* Layout managers that create areas with borders can use this to
* add the borders to the area.
* @param curBlock area to set the traits on
* @param bordProps border properties
*/
public static void addBorders(Area curBlock, CommonBorderAndPadding bordProps) {
BorderProps bps = getBorderProps(bordProps, CommonBorderAndPadding.BEFORE);
if (bps.width != 0) {
curBlock.addTrait(Trait.BORDER_BEFORE, bps);
}
bps = getBorderProps(bordProps, CommonBorderAndPadding.AFTER);
if (bps.width != 0) {
curBlock.addTrait(Trait.BORDER_AFTER, bps);
}
bps = getBorderProps(bordProps, CommonBorderAndPadding.START);
if (bps.width != 0) {
curBlock.addTrait(Trait.BORDER_START, bps);
}
bps = getBorderProps(bordProps, CommonBorderAndPadding.END);
if (bps.width != 0) {
curBlock.addTrait(Trait.BORDER_END, bps);
}
int padding = bordProps.getPadding(CommonBorderAndPadding.START, false);
if (padding != 0) {
curBlock.addTrait(Trait.PADDING_START, new java.lang.Integer(padding));
}
padding = bordProps.getPadding(CommonBorderAndPadding.END, false);
if (padding != 0) {
curBlock.addTrait(Trait.PADDING_END, new java.lang.Integer(padding));
}
padding = bordProps.getPadding(CommonBorderAndPadding.BEFORE, false);
if (padding != 0) {
curBlock.addTrait(Trait.PADDING_BEFORE, new java.lang.Integer(padding));
}
padding = bordProps.getPadding(CommonBorderAndPadding.AFTER, false);
if (padding != 0) {
curBlock.addTrait(Trait.PADDING_AFTER, new java.lang.Integer(padding));
}
}
private static BorderProps getBorderProps(CommonBorderAndPadding bordProps, int side) {
BorderProps bps;
bps = new BorderProps(bordProps.getBorderStyle(side),
bordProps.getBorderWidth(side, false),
bordProps.getBorderColor(side));
return bps;
}
/**
* Add background to an area.
* Layout managers that create areas with a background can use this to
* add the background to the area.
* @param curBlock the current block
* @param backProps the background properties
*/
public static void addBackground(Area curBlock, CommonBackground backProps) {
Trait.Background back = new Trait.Background();
back.setColor(backProps.backColor);
if (backProps.backImage != null) {
back.setURL(backProps.backImage);
back.setRepeat(backProps.backRepeat);
if (backProps.backPosHorizontal != null) {
back.setHoriz(backProps.backPosHorizontal.getValue());
}
if (backProps.backPosVertical != null) {
back.setVertical(backProps.backPosVertical.getValue());
}
}
if (back.getColor() != null || back.getURL() != null) {
curBlock.addTrait(Trait.BACKGROUND, back);
}
}
/**
* Add space to a block area.
* Layout managers that create block areas can use this to add space
* outside of the border rectangle to the area.
* @param curBlock the current block.
* @param marginProps the margin properties.
*/
public static void addMargins(Area curBlock,
CommonBorderAndPadding bpProps,
CommonMarginBlock marginProps) {
int spaceStart = marginProps.startIndent
- bpProps.getBorderStartWidth(false)
- bpProps.getPaddingStart(false);
if (spaceStart != 0) {
curBlock.addTrait(Trait.SPACE_START, new Integer(spaceStart));
}
int spaceEnd = marginProps.endIndent
- bpProps.getBorderEndWidth(false)
- bpProps.getPaddingEnd(false);
if (spaceEnd != 0) {
curBlock.addTrait(Trait.SPACE_END, new Integer(spaceEnd));
}
}
public static void addBreaks(Area curArea, LayoutProps layoutProps) {
curArea.addTrait(Trait.BREAK_AFTER, new Integer(layoutProps.breakAfter));
curArea.addTrait(Trait.BREAK_BEFORE, new Integer(layoutProps.breakBefore));
}
}
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