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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.afp;
import java.awt.geom.AffineTransform;
import org.apache.fop.fo.Constants;
import org.apache.fop.util.ColorUtil;
/**
* Handles the drawing of borders/lines in AFP
*/
public class AFPBorderPainter extends AbstractAFPPainter {
/**
* Main constructor
*
* @param paintingState the AFP painting state converter
* @param dataStream the AFP datastream
*/
public AFPBorderPainter(AFPPaintingState paintingState, DataStream dataStream) {
super(paintingState, dataStream);
}
/** {@inheritDoc} */
public void paint(PaintingInfo paintInfo) {
BorderPaintingInfo borderPaintInfo = (BorderPaintingInfo)paintInfo;
float w = borderPaintInfo.getX2() - borderPaintInfo.getX1();
float h = borderPaintInfo.getY2() - borderPaintInfo.getY1();
if ((w < 0) || (h < 0)) {
log.error("Negative extent received. Border won't be painted.");
return;
}
int pageWidth = dataStream.getCurrentPage().getWidth();
int pageHeight = dataStream.getCurrentPage().getHeight();
AFPUnitConverter unitConv = paintingState.getUnitConverter();
AffineTransform at = paintingState.getData().getTransform();
float x1 = unitConv.pt2units(borderPaintInfo.getX1());
float y1 = unitConv.pt2units(borderPaintInfo.getY1());
float x2 = unitConv.pt2units(borderPaintInfo.getX2());
float y2 = unitConv.pt2units(borderPaintInfo.getY2());
switch (paintingState.getRotation()) {
case 0:
x1 += at.getTranslateX();
y1 += at.getTranslateY();
x2 += at.getTranslateX();
y2 += at.getTranslateY();
break;
case 90:
x1 += at.getTranslateY();
y1 += (float) (pageWidth - at.getTranslateX());
x2 += at.getTranslateY();
y2 += (float) (pageWidth - at.getTranslateX());
break;
case 180:
x1 += (float) (pageWidth - at.getTranslateX());
y1 += (float) (pageHeight - at.getTranslateY());
x2 += (float) (pageWidth - at.getTranslateX());
y2 += (float) (pageHeight - at.getTranslateY());
break;
case 270:
x1 = (float) (pageHeight - at.getTranslateY());
y1 += (float) at.getTranslateX();
x2 += x1;
y2 += (float) at.getTranslateX();
break;
}
AFPLineDataInfo lineDataInfo = new AFPLineDataInfo();
lineDataInfo.setColor(borderPaintInfo.getColor());
lineDataInfo.setRotation(paintingState.getRotation());
lineDataInfo.x1 = Math.round(x1);
lineDataInfo.y1 = Math.round(y1);
if (borderPaintInfo.isHorizontal()) {
lineDataInfo.setThickness(Math.round(y2 - y1));
} else {
lineDataInfo.setThickness(Math.round(x2 - x1));
}
// handle border-*-style
switch (borderPaintInfo.getStyle()) {
case Constants.EN_DOUBLE:
if (borderPaintInfo.isHorizontal()) {
lineDataInfo.x2 = Math.round(x2);
lineDataInfo.y2 = lineDataInfo.y1;
dataStream.createLine(lineDataInfo);
lineDataInfo.y1 += Math.round((lineDataInfo.thickness / 3) * 2);
dataStream.createLine(lineDataInfo);
} else {
lineDataInfo.x2 = lineDataInfo.x1;
lineDataInfo.y2 = Math.round(y2);
dataStream.createLine(lineDataInfo);
lineDataInfo.x1 += Math.round((lineDataInfo.thickness / 3) * 2);
dataStream.createLine(lineDataInfo);
}
break;
case Constants.EN_DASHED:
int thick = lineDataInfo.thickness * 3;
if (borderPaintInfo.isHorizontal()) {
lineDataInfo.x2 = lineDataInfo.x1 + thick;
lineDataInfo.y2 = lineDataInfo.y1;
int ex2 = Math.round(x2);
while (lineDataInfo.x1 + thick < ex2) {
dataStream.createLine(lineDataInfo);
lineDataInfo.x1 += 2 * thick;
lineDataInfo.x2 = lineDataInfo.x1 + thick;
}
} else {
lineDataInfo.x2 = lineDataInfo.x1;
lineDataInfo.y2 = lineDataInfo.y1 + thick;
int ey2 = Math.round(y2);
while (lineDataInfo.y1 + thick < ey2) {
dataStream.createLine(lineDataInfo);
lineDataInfo.y1 += 2 * thick;
lineDataInfo.y2 = lineDataInfo.y1 + thick;
}
}
break;
case Constants.EN_DOTTED:
if (borderPaintInfo.isHorizontal()) {
lineDataInfo.x2 = lineDataInfo.x1 + lineDataInfo.thickness;
lineDataInfo.y2 = lineDataInfo.y1;
int ex2 = Math.round(x2);
while (lineDataInfo.x1 + lineDataInfo.thickness < ex2) {
dataStream.createLine(lineDataInfo);
lineDataInfo.x1 += 3 * lineDataInfo.thickness;
lineDataInfo.x2 = lineDataInfo.x1 + lineDataInfo.thickness;
}
} else {
lineDataInfo.x2 = lineDataInfo.x1;
lineDataInfo.y2 = lineDataInfo.y1 + lineDataInfo.thickness;
int ey2 = Math.round(y2);
while (lineDataInfo.y1 + lineDataInfo.thickness < ey2) {
dataStream.createLine(lineDataInfo);
lineDataInfo.y1 += 3 * lineDataInfo.thickness;
lineDataInfo.y2 = lineDataInfo.y1 + lineDataInfo.thickness;
}
}
break;
case Constants.EN_GROOVE:
case Constants.EN_RIDGE:
//TODO
lineDataInfo.x2 = Math.round(x2);
float colFactor = (borderPaintInfo.getStyle() == Constants.EN_GROOVE ? 0.4f : -0.4f);
float h3 = (y2 - y1) / 3;
lineDataInfo.color = ColorUtil.lightenColor(borderPaintInfo.getColor(), -colFactor);
lineDataInfo.thickness = Math.round(h3);
lineDataInfo.y1 = lineDataInfo.y2 = Math.round(y1);
dataStream.createLine(lineDataInfo);
lineDataInfo.color = borderPaintInfo.getColor();
lineDataInfo.y1 = lineDataInfo.y2 = Math.round(y1 + h3);
dataStream.createLine(lineDataInfo);
lineDataInfo.color = ColorUtil.lightenColor(borderPaintInfo.getColor(), colFactor);
lineDataInfo.y1 = lineDataInfo.y2 = Math.round(y1 + h3 + h3);
dataStream.createLine(lineDataInfo);
break;
case Constants.EN_HIDDEN:
break;
case Constants.EN_INSET:
case Constants.EN_OUTSET:
case Constants.EN_SOLID:
default:
if (borderPaintInfo.isHorizontal()) {
lineDataInfo.x2 = Math.round(x2);
lineDataInfo.y2 = lineDataInfo.y1;
} else {
lineDataInfo.x2 = lineDataInfo.x1;
lineDataInfo.y2 = Math.round(y2);
}
dataStream.createLine(lineDataInfo);
}
}
}
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