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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.render.afp;
import java.awt.Color;
import java.awt.geom.AffineTransform;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.fop.fo.Constants;
import org.apache.fop.render.afp.modca.DataStream;
import org.apache.fop.util.ColorUtil;
/**
* Handles the drawing of borders/lines in AFP
*/
public class AFPBorderPainter {
/** Static logging instance */
protected static Log log = LogFactory.getLog("org.apache.fop.render.afp");
private final DataStream dataStream;
private final AFPState state;
/**
* Main constructor
*
* @param state the unit converter
* @param dataStream the afp datastream
*/
public AFPBorderPainter(AFPState state, DataStream dataStream) {
this.state = state;
this.dataStream = dataStream;
}
/** {@inheritDoc} */
public void fillRect(float x, float y, float width, float height) {
int pageWidth = dataStream.getCurrentPage().getWidth();
int pageHeight = dataStream.getCurrentPage().getHeight();
AFPUnitConverter unitConv = state.getUnitConverter();
width = unitConv.pt2units(width);
height = unitConv.pt2units(height);
x = unitConv.pt2units(x);
y = unitConv.pt2units(y);
AffineTransform at = state.getData().getTransform();
AFPLineDataInfo lineDataInfo = new AFPLineDataInfo();
lineDataInfo.color = state.getColor();
lineDataInfo.rotation = state.getRotation();
lineDataInfo.thickness = Math.round(height);
switch (lineDataInfo.rotation) {
case 0:
lineDataInfo.x1 = Math.round((float)at.getTranslateX() + x);
lineDataInfo.y1 = lineDataInfo.y2 = Math.round((float)at.getTranslateY() + y);
lineDataInfo.x2 = Math.round((float)at.getTranslateX() + x + width);
break;
case 90:
lineDataInfo.x1 = Math.round((float)at.getTranslateY() + x);
lineDataInfo.y1 = lineDataInfo.y2
= pageWidth - Math.round((float)at.getTranslateX()) + Math.round(y);
lineDataInfo.x2 = Math.round(width + (float)at.getTranslateY() + x);
break;
case 180:
lineDataInfo.x1 = pageWidth - Math.round((float)at.getTranslateX() - x);
lineDataInfo.y1 = lineDataInfo.y2 = pageHeight - Math.round((float)at.getTranslateY() - y);
lineDataInfo.x2 = pageWidth - Math.round((float)at.getTranslateX() - x - width);
break;
case 270:
lineDataInfo.x1 = pageHeight - Math.round((float)at.getTranslateY() - x);
lineDataInfo.y1 = lineDataInfo.y2 = Math.round((float)at.getTranslateX() + y);
lineDataInfo.x2 = lineDataInfo.x1 + Math.round(width - x);
break;
}
dataStream.createLine(lineDataInfo);
}
/** {@inheritDoc} */
public void drawBorderLine(float x1, float y1, float x2, float y2,
boolean isHorizontal, boolean startOrBefore, int style, Color color) {
float w = x2 - x1;
float h = y2 - y1;
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 = state.getUnitConverter();
AffineTransform at = state.getData().getTransform();
x1 = unitConv.pt2units(x1);
y1 = unitConv.pt2units(y1);
x2 = unitConv.pt2units(x2);
y2 = unitConv.pt2units(y2);
switch (state.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.setThickness(Math.round(y2 - y1));
lineDataInfo.setColor(color);
lineDataInfo.setRotation(state.getRotation());
lineDataInfo.x1 = Math.round(x1);
lineDataInfo.y1 = Math.round(y1);
// handle border-*-style
switch (style) {
case Constants.EN_DOUBLE:
lineDataInfo.x2 = Math.round(x2);
lineDataInfo.y2 = lineDataInfo.y1;
dataStream.createLine(lineDataInfo);
float w3 = lineDataInfo.thickness / 3;
lineDataInfo.y1 += Math.round(w3 * 2);
dataStream.createLine(lineDataInfo);
break;
case Constants.EN_DASHED:
case Constants.EN_DOTTED:
int factor = style == Constants.EN_DASHED ? 3 : 2;
int thick = lineDataInfo.thickness * factor;
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;
}
break;
case Constants.EN_GROOVE:
case Constants.EN_RIDGE:
lineDataInfo.x2 = Math.round(x2);
float colFactor = (style == Constants.EN_GROOVE ? 0.4f : -0.4f);
float h3 = (y2 - y1) / 3;
lineDataInfo.color = ColorUtil.lightenColor(color, -colFactor);
lineDataInfo.thickness = Math.round(h3);
lineDataInfo.y1 = lineDataInfo.y2 = Math.round(y1);
dataStream.createLine(lineDataInfo);
lineDataInfo.color = color;
lineDataInfo.y1 = lineDataInfo.y2 = Math.round(y1 + h3);
dataStream.createLine(lineDataInfo);
lineDataInfo.color = ColorUtil.lightenColor(color, 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:
lineDataInfo.x2 = Math.round(x2);
lineDataInfo.y2 = lineDataInfo.y1;
dataStream.createLine(lineDataInfo);
}
}
}
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