root / branches / Mobile_Compatible_Hito_1 / libFMap_mobile_shp_driver / src-file / org / gvsig / data / datastores / vectorial / file / shp_util / ResourceReader.java @ 22037
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2006 Prodevelop and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* http://www.gvsig.gva.es
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*
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* or
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*
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* Prodevelop Integraci?n de Tecnolog?as SL
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* Conde Salvatierra de ?lava , 34-10
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* 46004 Valencia
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* Spain
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*
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* +34 963 510 612
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* +34 963 510 968
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* gis@prodevelop.es
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* http://www.prodevelop.es
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*
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* or
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*
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* Instituto de Rob?tica
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* Apartado de correos 2085
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* 46071 Valencia
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* (Spain)
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*
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* +34 963 543 577
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* jjordan@robotica.uv.es
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* http://robotica.uv.es
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*
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*/
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package org.gvsig.data.datastores.vectorial.file.shp_util; |
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import java.awt.Container; |
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import java.awt.Image; |
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import java.awt.MediaTracker; |
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import java.awt.Toolkit; |
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import java.io.File; |
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import org.apache.log4j.Logger; |
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/**
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* Utility class to read resource files.
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*
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* @see java.awt.MediaTracker
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*
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* @author jldominguez
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*
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*/
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public class ResourceReader { |
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private static final String WORKSPACE = "D:/PROYECTOS/Filtros2/libFMap_data_shape"; |
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private static Logger logger = Logger.getLogger(ResourceReader.class); |
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private static String resourceDir = ""; |
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private static int IMAGE_LOAD_TIMEOUT = 1200; |
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/**
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* Icon shown while the app is processing.
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*/
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public static Image PROCESSING_ICON; |
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/**
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* Array of GPS icons (16 positions)
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*/
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public static Image[] GPS_CURSOR_ICON; |
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/**
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* number of positions of the GPS cursor
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*/
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public static int GPS_CURSOR_ICON_COUNT = 16; |
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public static int PROCESS_ICON_X = 90; |
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public static int PROCESS_ICON_Y = 105; //110; |
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public static int PROCESS_ICON_SIZE = 60; |
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/**
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* Used to read images
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*/
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public static MediaTracker mt = new MediaTracker(new Container()); |
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public static int imageCount = 0; |
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static {
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String base = System.getProperty("java.class.path"); |
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int ind = base.indexOf(File.pathSeparator); |
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if (ind != -1) base = base.substring(0, ind); |
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ind = base.lastIndexOf(File.separator);
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base = base.substring(0, ind);
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//logger.debug("Base directory: " + base);
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ind = base.lastIndexOf(File.separator);
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resourceDir = base.substring(0, ind) + File.separator + "resources"; |
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PROCESSING_ICON = getResourceImage("img", "processing.png"); |
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GPS_CURSOR_ICON = new Image[GPS_CURSOR_ICON_COUNT]; |
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for (int i=0; i<GPS_CURSOR_ICON_COUNT; i++) { |
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try {
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GPS_CURSOR_ICON[i] = getResourceImage("img", "gps_cursor_" + i + ".png"); |
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} catch (Exception ex) { |
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logger.error("Unable to read GPS icon # " + i + " : " + ex.getMessage()); |
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} |
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} |
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} |
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/**
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* Gets the GPS icon index for a given angle
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* @param angle heading
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* @param in_radians whether it is radians or degrees
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* @return the GPS icon index
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*/
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public static int getGpsIconIndexForAngle(double angle, boolean in_radians) { |
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double a_in_degrees = (in_radians) ? (angle * 180.0 / Math.PI) : angle; |
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double step = 360.0 / GPS_CURSOR_ICON_COUNT; |
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if (Math.abs(a_in_degrees) > 1000) { |
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logger.error("Absurd angle: " + angle + "; in_radians = " + in_radians); |
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logger.error("Returned North icon (0)");
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return 0; |
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} |
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// normalize
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while (step >= 360) step = step - 360.0; |
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while (step < 0) step = step + 360.0; |
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int n = Math.round((float) Math.floor(0.5 + a_in_degrees / step)); |
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if ((n < 0) || (n >= GPS_CURSOR_ICON_COUNT)) { |
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logger.error("Bad n = " + n + "; GPS_CURSOR_ICON_COUNT = " + GPS_CURSOR_ICON_COUNT); |
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logger.error("Forced n = n MOD GPS_CURSOR_ICON_COUNT");
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n = n % GPS_CURSOR_ICON_COUNT; |
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} |
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logger.debug("-------------- GPS icon index for icon: -----------------");
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logger.debug("angle = " + angle + "; radians = " + in_radians); |
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logger.debug("returned: " + n);
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return n;
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} |
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/**
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* Gets an image from the resources folder
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* @param dir the resources subfolder
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* @param file_name the file name
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* @return the image from the resources folder
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*/
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public static Image getResourceImage(String dir, String file_name) { |
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String imgPath = resourceDir + File.separator + dir + File.separator + file_name; |
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Image img = Toolkit.getDefaultToolkit().createImage(imgPath); |
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mt.addImage(img,imageCount); |
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try{
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mt.waitForID(imageCount, IMAGE_LOAD_TIMEOUT); |
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mt.removeImage(img); |
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return img;
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} catch (InterruptedException e) { |
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logger.error("While downloading: " + e.getMessage());
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return null; |
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} |
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} |
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/**
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* Gets an image from an array of bytes for a well known format (png, jpg, gif)
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* @param data the byte array
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* @return the image
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*/
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public static Image getImage(byte[] data) { |
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Image img = Toolkit.getDefaultToolkit().createImage(data); |
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mt.addImage(img,imageCount); |
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try {
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mt.waitForID(imageCount, IMAGE_LOAD_TIMEOUT); |
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mt.removeImage(img); |
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return img;
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} catch (InterruptedException e) { |
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logger.error("While downloading: " + e.getMessage());
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return null; |
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} |
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} |
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/**
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* Gets scaled version of image with Media Tracker.
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*
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* @param img source image
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* @param newwidth new width
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* @param newheight new height
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* @return re sampled image
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*/
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public static Image getScaled(Image img, int newwidth, int newheight) { |
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Image newimage = img.getScaledInstance(newwidth, newheight, Image.SCALE_FAST); |
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mt.addImage(newimage, imageCount); |
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try {
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mt.waitForID(imageCount, IMAGE_LOAD_TIMEOUT); |
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mt.removeImage(newimage); |
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return newimage;
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} catch (InterruptedException e) { |
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logger.error("While resampling: " + e.getMessage());
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return null; |
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} |
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} |
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/**
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* Gets an image from a file in a well known format (png, jpg, gif)
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* @param data the image file
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* @return the image object
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*/
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public static Image getImage(File data) { |
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try {
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logger.debug("Getting image with Media Tracker: " + data.getAbsolutePath());
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logger.debug("Getting image with Media Tracker, imagecount = " + imageCount);
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Image img = Toolkit.getDefaultToolkit().createImage(data.getAbsolutePath()); |
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mt.addImage(img, imageCount); |
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mt.waitForID(imageCount, IMAGE_LOAD_TIMEOUT); |
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mt.removeImage(img); |
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return img;
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} catch (Throwable th) { |
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logger.error("While getting downloaded image: " + th.getMessage());
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return null; |
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} |
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} |
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/**
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* gets a file from the working directory
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* @param dir subfolder
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* @param file_name file name
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* @return the file object
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*/
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public static File getWorkingDirFile(String dir, String file_name) { |
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File resp = new File( |
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WORKSPACE |
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+ File.separator
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+ dir |
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+ File.separator
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+ file_name); |
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return resp;
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} |
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/**
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* Gets the working subfolder
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* @param dir subfolder name
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* @return the working subfolder
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*/
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public static File getWorkingDir(String dir) { |
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File resp = new File( |
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WORKSPACE |
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+ File.separator
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+ dir); |
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return resp;
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} |
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/**
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* Gets a file from the resource folder
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* @param dir
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* @param file_name
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* @return the file object
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*/
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public static File getResourceFile(String dir, String file_name) { |
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String filePath = resourceDir + File.separator + dir + File.separator + file_name; |
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File resp = new File(filePath); |
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return resp;
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} |
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/**
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* Gets a file from the pda sd card folder
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* @param dir
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* @param file_name
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* @return the file object
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*/
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public static File getPdaTestFile(String sdfolder, String dir, String file_name) { |
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String filePath = File.separator + sdfolder + File.separator + dir + File.separator + file_name; |
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File resp = new File(filePath); |
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return resp;
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} |
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/**
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* gets a subfolder from the resources folder
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* @param dir the subfolder name
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* @return the file object
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*/
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public static File getResourceFolder(String dir) { |
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String filePath = resourceDir + File.separator + dir; |
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File resp = new File(filePath); |
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return resp;
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} |
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} |