Mercurial > mxd2map
view src/java/de/intevation/mxd/reader/PictureLineSymbolReader.java @ 292:6e5fce16b495
Update/Rework installation dokumentation
author | Andre Heinecke <aheinecke@intevation.de> |
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date | Fri, 31 Aug 2012 16:13:19 +0200 |
parents | 2cb2f26d0d54 |
children | a46adb3697fa |
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/* * Copyright (c) 2011 by Intevation GmbH, Germany <info@intevation.de> * * This file is part of MXD2map. * * This program is free software under the LGPL (>=v2.1) * Read the file LICENCE.txt coming with the software for details * or visit http://www.gnu.org/licenses/ if it does not exist. * * MXD2map has been developed on behalf of the * Bundesamt fuer Seeschifffahrt und Hydrographie (BSH) in Hamburg * by Intevation GmbH. * * Authors: * Raimund Renkert <raimund.renkert@intevation.de> * Bjoern Schilberg <bjoern.schilberg@intevation.de> * Stephan Holl <stephan.holl@intevation.de> */ package de.intevation.mxd.reader; import java.awt.Color; import java.awt.Image; import org.apache.log4j.Logger; import com.esri.arcgis.display.ISymbol; import com.esri.arcgis.display.ILineSymbol; import com.esri.arcgis.display.PictureLineSymbol; import com.esri.arcgis.support.ms.stdole.Picture; import com.esri.arcgis.display.RgbColor; import org.w3c.dom.Element; import java.io.IOException; import java.awt.image.BufferedImage; import javax.imageio.ImageIO; import java.io.ByteArrayOutputStream; import org.apache.commons.codec.binary.Base64; /** * Reads picture line symbol information. * * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> */ public class PictureLineSymbolReader extends AbstractSymbolReader { /** * The logger. */ private static final Logger logger = Logger.getLogger(SimpleLineSymbolReader.class); /** * Private member. */ private PictureLineSymbol symbol; public PictureLineSymbolReader(ISymbol symbol) throws Exception { logger.debug("contructor()"); if(symbol instanceof PictureLineSymbol) { this.symbol = (PictureLineSymbol)symbol; } else { throw new Exception("Not a PictureLineSymbol!"); } } public PictureLineSymbolReader(ILineSymbol symbol) throws Exception { logger.debug("contructor()"); if(symbol instanceof PictureLineSymbol) { this.symbol = (PictureLineSymbol)symbol; } else { throw new Exception("Not a PictureLineSymbol!"); } } /** * Reads the symbol attributes. * * @return The XML node. */ public Element read() { //TODO Read the picture from mxd and write it as base64 string to the // XML Element. logger.debug("read()"); Element symbolElement = util.addSymbol(parent); try { symbolElement.setAttribute("name", symbol.getNameString()); } catch(IOException ioe) { logger.warn("Could not read name. Setting name to \"default\""); symbolElement.setAttribute("name", "default"); } try { symbolElement.setAttribute( "offset", String.valueOf(symbol.getOffset())); } catch(IOException ioe) { logger.warn("Could not read offset."); } try { symbolElement.setAttribute( "x_scale", String.valueOf(symbol.getXScale())); } catch(IOException ioe) { logger.warn("Could not read x-scale."); } try { symbolElement.setAttribute( "y_scale", String.valueOf(symbol.getYScale())); } catch(IOException ioe) { logger.warn("Could not read y-scale."); } try { symbolElement.setAttribute( "width", String.valueOf(symbol.getWidth())); } catch(IOException ioe) { logger.warn("Could not read width."); } //Read the picture and convert to base64. try { Picture p = symbol.getPicture(); Image i = p.toImage(); if(i instanceof BufferedImage) { BufferedImage bi = (BufferedImage)i; ByteArrayOutputStream baos = new ByteArrayOutputStream(); //Get byte array from image. ImageIO.write(bi, "BMP", baos); Base64 encoder = new Base64(); //encode in a base64 string String pict = encoder.encodeBase64String(baos.toByteArray()); symbolElement.setAttribute("picture", pict); //Get transparent color. RgbColor c = new RgbColor(); c.setRGB(symbol.getBitmapTransparencyColor().getRGB()); Color transp = new Color ( c.getRed(), c.getGreen(), c.getBlue()); symbolElement.setAttribute( "transparent_color", String.valueOf(transp.getRGB())); } else { logger.warn("Could not read image symbol."); return null; } } catch(IOException ioe) { logger.warn("Could not read picture."); } symbolElement.setAttribute("type", "line"); symbolElement.setAttribute("style", "picture"); return symbolElement; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :