| /* |
| * 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.Graphics; |
| import java.awt.geom.AffineTransform; |
| import java.awt.geom.Point2D; |
| import java.awt.image.BufferedImage; |
| import java.awt.image.DataBufferByte; |
| import java.awt.image.RenderedImage; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| |
| import org.apache.xmlgraphics.image.loader.ImageSize; |
| import org.apache.xmlgraphics.java2d.color.ColorWithAlternatives; |
| import org.apache.xmlgraphics.util.MimeConstants; |
| |
| import org.apache.fop.util.bitmap.BitmapImageUtil; |
| |
| /** |
| * A painter of rectangles in AFP |
| */ |
| public class AFPRectanglePainter extends AbstractAFPPainter { |
| |
| private AFPResourceManager resourceManager; |
| |
| /** |
| * Main constructor |
| * |
| * @param paintingState the AFP painting state |
| * @param dataStream the AFP datastream |
| */ |
| public AFPRectanglePainter(AFPPaintingState paintingState, DataStream dataStream, |
| AFPResourceManager resourceManager) { |
| super(paintingState, dataStream); |
| this.resourceManager = resourceManager; |
| } |
| |
| /** {@inheritDoc} */ |
| public void paint(PaintingInfo paintInfo) throws IOException { |
| Color color = paintingState.getColor(); |
| if (color instanceof ColorWithAlternatives && color.getAlpha() != 255) { |
| paintAlpha(paintInfo); |
| return; |
| } |
| |
| RectanglePaintingInfo rectanglePaintInfo = (RectanglePaintingInfo)paintInfo; |
| int pageWidth = dataStream.getCurrentPage().getWidth(); |
| int pageHeight = dataStream.getCurrentPage().getHeight(); |
| int yNew; |
| |
| AFPUnitConverter unitConv = paintingState.getUnitConverter(); |
| float width = unitConv.pt2units(rectanglePaintInfo.getWidth()); |
| float height = unitConv.pt2units(rectanglePaintInfo.getHeight()); |
| float x = unitConv.pt2units(rectanglePaintInfo.getX()); |
| float y = unitConv.pt2units(rectanglePaintInfo.getY()); |
| |
| AffineTransform at = paintingState.getData().getTransform(); |
| |
| AFPLineDataInfo lineDataInfo = new AFPLineDataInfo(); |
| lineDataInfo.setColor(paintingState.getColor()); |
| lineDataInfo.setRotation(paintingState.getRotation()); |
| lineDataInfo.setThickness(Math.round(height)); |
| |
| switch (lineDataInfo.getRotation()) { |
| case 90: |
| lineDataInfo.setX1(Math.round((float)at.getTranslateY() + x)); |
| yNew = pageWidth - Math.round((float)at.getTranslateX()) + Math.round(y); |
| lineDataInfo.setY1(yNew); |
| lineDataInfo.setY2(yNew); |
| lineDataInfo.setX2(Math.round(width + (float)at.getTranslateY() + x)); |
| break; |
| case 180: |
| lineDataInfo.setX1(pageWidth - Math.round((float)at.getTranslateX() - x)); |
| yNew = pageHeight - Math.round((float)at.getTranslateY() - y); |
| lineDataInfo.setY1(yNew); |
| lineDataInfo.setY2(yNew); |
| lineDataInfo.setX2(pageWidth - Math.round((float)at.getTranslateX() - x - width)); |
| break; |
| case 270: |
| lineDataInfo.setX1(pageHeight - Math.round((float)at.getTranslateY() - x)); |
| yNew = Math.round((float)at.getTranslateX() + y); |
| lineDataInfo.setY1(yNew); |
| lineDataInfo.setY2(yNew); |
| lineDataInfo.setX2(pageHeight - Math.round((float)at.getTranslateY() - x - width)); |
| break; |
| case 0: |
| default: |
| lineDataInfo.setX1(Math.round((float)at.getTranslateX() + x)); |
| yNew = Math.round((float)at.getTranslateY() + y); |
| lineDataInfo.setY1(yNew); |
| lineDataInfo.setY2(yNew); |
| lineDataInfo.setX2(Math.round((float)at.getTranslateX() + x + width)); |
| break; |
| } |
| dataStream.createLine(lineDataInfo); |
| } |
| |
| private void paintAlpha(PaintingInfo paintInfo) throws IOException { |
| RectanglePaintingInfo rectanglePaintInfo = (RectanglePaintingInfo)paintInfo; |
| if (rectanglePaintInfo.getWidth() <= 0 || rectanglePaintInfo.getHeight() <= 0) { |
| return; |
| } |
| Dimension size = new Dimension((int)rectanglePaintInfo.getWidth(), (int)rectanglePaintInfo.getHeight()); |
| |
| AFPImageObjectInfo imageObjectInfo = new AFPImageObjectInfo(); |
| imageObjectInfo.setMimeType(MimeConstants.MIME_AFP_IOCA_FS45); |
| imageObjectInfo.getResourceInfo().setLevel(new AFPResourceLevel(AFPResourceLevel.ResourceType.INLINE)); |
| imageObjectInfo.getResourceInfo().setImageDimension(size); |
| imageObjectInfo.setColor(true); |
| |
| int width = size.width; |
| int height = size.height; |
| int resolution = paintingState.getResolution(); |
| ImageSize bitmapSize = new ImageSize(width, height, resolution); |
| imageObjectInfo.setDataHeightRes((int)Math.round(bitmapSize.getDpiHorizontal() * 10)); |
| imageObjectInfo.setDataWidthRes((int)Math.round(bitmapSize.getDpiVertical() * 10)); |
| imageObjectInfo.setDataWidth(width); |
| imageObjectInfo.setDataHeight(height); |
| |
| Color color = paintingState.getColor(); |
| byte[] image = buildImage(color, width, height); |
| imageObjectInfo.setData(image); |
| if (color instanceof ColorWithAlternatives) { |
| imageObjectInfo.setBitsPerPixel(32); |
| } else { |
| imageObjectInfo.setBitsPerPixel(24); |
| } |
| |
| image = buildMaskImage(color, width, height); |
| imageObjectInfo.setTransparencyMask(image); |
| |
| 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 widthf = unitConv.pt2units(rectanglePaintInfo.getWidth()); |
| float heightf = unitConv.pt2units(rectanglePaintInfo.getHeight()); |
| AFPObjectAreaInfo objectAreaInfo = new AFPObjectAreaInfo( |
| (int) Math.round(origin.getX()), |
| (int) Math.round(origin.getY()), |
| Math.round(widthf), Math.round(heightf), resolution, rotation); |
| imageObjectInfo.setObjectAreaInfo(objectAreaInfo); |
| |
| resourceManager.createObject(imageObjectInfo); |
| } |
| |
| private byte[] buildImage(Color color, int width, int height) { |
| float[] components; |
| if (color instanceof ColorWithAlternatives) { |
| components = ((ColorWithAlternatives)color).getAlternativeColors()[0].getColorComponents(null); |
| } else { |
| components = color.getColorComponents(null); |
| } |
| ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| for (int y = 0; y < height; y++) { |
| for (int x = 0; x < width; x++) { |
| for (float component : components) { |
| component *= 255; |
| bos.write((byte)component); |
| } |
| } |
| } |
| return bos.toByteArray(); |
| } |
| |
| private byte[] buildMaskImage(Color color, int width, int height) { |
| BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
| Graphics graphics = bufferedImage.getGraphics(); |
| Color alpha = new Color(color.getAlpha(), color.getAlpha(), color.getAlpha()); |
| graphics.setColor(alpha); |
| graphics.fillRect(0, 0, width, height); |
| graphics.dispose(); |
| RenderedImage renderedImage = |
| BitmapImageUtil.convertToMonochrome(bufferedImage, new Dimension(width, height), 1); |
| DataBufferByte bufferByte = (DataBufferByte) renderedImage.getData().getDataBuffer(); |
| return bufferByte.getData(); |
| } |
| } |