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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.Color;
import java.awt.Dimension;
import java.awt.geom.AffineTransform;
import java.awt.geom.Point2D;
import java.io.IOException;
import org.apache.xmlgraphics.image.loader.ImageSize;
import org.apache.xmlgraphics.util.MimeConstants;
import org.apache.fop.afp.modca.triplets.MappingOptionTriplet;
import org.apache.fop.util.bitmap.DitherUtil;
/**
* A painter of rectangles in AFP
*/
public class AFPDitheredRectanglePainter extends AbstractAFPPainter {
private AFPResourceManager resourceManager;
/**
* Main constructor
*
* @param paintingState the AFP painting state
* @param dataStream the AFP datastream
* @param resourceManager the resource manager
*/
public AFPDitheredRectanglePainter(AFPPaintingState paintingState, DataStream dataStream,
AFPResourceManager resourceManager) {
super(paintingState, dataStream);
this.resourceManager = resourceManager;
}
/** {@inheritDoc} */
public void paint(PaintingInfo paintInfo) throws IOException {
RectanglePaintingInfo rectanglePaintInfo = (RectanglePaintingInfo)paintInfo;
if (rectanglePaintInfo.getWidth() <= 0 || rectanglePaintInfo.getHeight() <= 0) {
return;
}
int ditherMatrix = DitherUtil.DITHER_MATRIX_8X8;
Dimension ditherSize = new Dimension(ditherMatrix, ditherMatrix);
//Prepare an FS10 bi-level image
AFPImageObjectInfo imageObjectInfo = new AFPImageObjectInfo();
imageObjectInfo.setMimeType(MimeConstants.MIME_AFP_IOCA_FS10);
//imageObjectInfo.setCreatePageSegment(true);
imageObjectInfo.getResourceInfo().setLevel(new AFPResourceLevel(AFPResourceLevel.INLINE));
imageObjectInfo.getResourceInfo().setImageDimension(ditherSize);
imageObjectInfo.setBitsPerPixel(1);
imageObjectInfo.setColor(false);
//Note: the following may not be supported by older implementations
imageObjectInfo.setMappingOption(MappingOptionTriplet.REPLICATE_AND_TRIM);
//Dither image size
int resolution = paintingState.getResolution();
ImageSize ditherBitmapSize = new ImageSize(
ditherSize.width, ditherSize.height, resolution);
imageObjectInfo.setDataHeightRes((int)Math.round(
ditherBitmapSize.getDpiHorizontal() * 10));
imageObjectInfo.setDataWidthRes((int)Math.round(
ditherBitmapSize.getDpiVertical() * 10));
imageObjectInfo.setDataWidth(ditherSize.width);
imageObjectInfo.setDataHeight(ditherSize.height);
//Create dither image
Color col = paintingState.getColor();
byte[] dither = DitherUtil.getBayerDither(ditherMatrix, col, false);
imageObjectInfo.setData(dither);
//Positioning
AFPObjectAreaInfo objectAreaInfo = new AFPObjectAreaInfo();
int rotation = paintingState.getRotation();
AffineTransform at = paintingState.getData().getTransform();
Point2D origin = at.transform(new Point2D.Float(
rectanglePaintInfo.getX() * 1000,
rectanglePaintInfo.getY() * 1000), null);
objectAreaInfo.setX((int)Math.round(origin.getX()));
objectAreaInfo.setY((int)Math.round(origin.getY()));
AFPUnitConverter unitConv = paintingState.getUnitConverter();
float width = unitConv.pt2units(rectanglePaintInfo.getWidth());
float height = unitConv.pt2units(rectanglePaintInfo.getHeight());
objectAreaInfo.setWidth(Math.round(width));
objectAreaInfo.setHeight(Math.round(height));
objectAreaInfo.setHeightRes(resolution);
objectAreaInfo.setWidthRes(resolution);
objectAreaInfo.setRotation(rotation);
imageObjectInfo.setObjectAreaInfo(objectAreaInfo);
//Create rectangle
resourceManager.createObject(imageObjectInfo);
}
}
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