svn-gvsig-desktop / tags / v1_1_Build_1007 / libraries / libCq CMS for java.old / src / org / cresques / filter / PixelFilter.java @ 12478
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1 | 5978 | nacho | /*
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2 | * Cresques Mapping Suite. Graphic Library for constructing mapping applications.
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3 | *
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4 | * Copyright (C) 2004-5.
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5 | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 2
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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19 | *
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20 | * For more information, contact:
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21 | *
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22 | * cresques@gmail.com
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23 | */
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24 | package org.cresques.filter; |
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25 | |||
26 | |||
27 | /**
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28 | * @author Luis W. Sevilla (sevilla_lui@gva.es)
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29 | */
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30 | public class PixelFilter { |
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31 | public boolean debug = false; |
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32 | int transparente = 0x10ffff00; |
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33 | int orColor = 0xff000000; |
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34 | int umbral = 0xf0f0f0; |
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35 | private int alpha = 0xff; |
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36 | |||
37 | /**
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38 | * Constructor para el Oleico
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39 | */
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40 | public PixelFilter(int alpha) { |
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41 | transparente = 0x10ffff00;
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42 | setAlpha(alpha); |
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43 | |||
44 | //orColor = 0xff000000 | (alpha * 0x1000000);
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45 | umbral = 0xf0f0f0;
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46 | } |
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47 | |||
48 | /**
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49 | * Constructor.
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50 | *
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51 | * @param trans Color que sustituye a los pixeles filtrados
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52 | * @param or M?scara que se aplica a los pixeles restantes
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53 | * @param pxMax Umbral que determina los pixeles.
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54 | */
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55 | public PixelFilter(int trans, int or, int pxMax) { |
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56 | transparente = trans; |
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57 | setAlpha((orColor >> 24) & 0xff); |
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58 | orColor = or; |
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59 | umbral = pxMax; |
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60 | } |
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61 | |||
62 | public void setAlpha(int alpha) { |
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63 | this.alpha = alpha;
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64 | orColor = (alpha << 24) & 0xff000000; |
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65 | } |
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66 | |||
67 | public int getAlpha() { |
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68 | return alpha;
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69 | } |
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70 | |||
71 | /**
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72 | * Filtra una l?nea de pixeles.
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73 | *
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74 | * @param pRGBArray
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75 | */
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76 | public void filterLine(int[] pRGBArray) { |
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77 | for (int i = 0; i < pRGBArray.length; i++) { |
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78 | /*if (debug)
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79 | System.out.print(""+i+":"+Integer.toHexString(pRGBArray[i])+",");*/
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80 | if (pRGBArray[i] >= umbral) {
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81 | pRGBArray[i] = transparente; |
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82 | } else {
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83 | pRGBArray[i] |= orColor; |
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84 | } |
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85 | } |
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86 | |||
87 | /*if (debug)
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88 | System.out.println("");*/
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89 | } |
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90 | } |