| /* |
| * 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.AFPResourceLevel.ResourceType; |
| 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(ResourceType.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 |
| int rotation = paintingState.getRotation(); |
| AffineTransform at = paintingState.getData().getTransform(); |
| Point2D origin = at.transform(new Point2D.Float( |
| rectanglePaintInfo.getX() * 1000, |
| rectanglePaintInfo.getY() * 1000), null); |
| AFPUnitConverter unitConv = paintingState.getUnitConverter(); |
| float width = unitConv.pt2units(rectanglePaintInfo.getWidth()); |
| float height = unitConv.pt2units(rectanglePaintInfo.getHeight()); |
| AFPObjectAreaInfo objectAreaInfo = new AFPObjectAreaInfo( |
| (int) Math.round(origin.getX()), |
| (int) Math.round(origin.getY()), |
| Math.round(width), Math.round(height), resolution, rotation); |
| imageObjectInfo.setObjectAreaInfo(objectAreaInfo); |
| |
| //Create rectangle |
| resourceManager.createObject(imageObjectInfo); |
| } |
| |
| } |