svn-gvsig-desktop / branches / CqCMSDvp / libraries / libCq CMS for java.old / src / org / cresques / io / raster / TransparencyFilter.java @ 1809
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1 | 1776 | igbrotru | /*
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2 | 1808 | igbrotru | * Created on 11-abril-2005
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3 | 1776 | igbrotru | */
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4 | package org.cresques.io.raster; |
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5 | |||
6 | import java.awt.Image; |
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7 | import java.util.Vector; |
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8 | |||
9 | /**
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10 | 1808 | igbrotru | * @author Nacho Brodin <brodin_ign@gva.es>
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11 | */
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12 | public abstract class TransparencyFilter extends RasterFilter{ |
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13 | 1776 | igbrotru | public boolean debug = false; |
14 | 1808 | igbrotru | |
15 | //Par?metros del filtro
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16 | 1776 | igbrotru | protected int[][] rangesR; |
17 | protected int[][] rangesG; |
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18 | protected int[][] rangesB; |
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19 | 1808 | igbrotru | public int alpha = 0x10; |
20 | public int transparencyColorRed = 0xff; |
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21 | public int transparencyColorGreen = 0xff; |
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22 | public int transparencyColorBlue = 0xff; |
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23 | 1776 | igbrotru | |
24 | 1808 | igbrotru | public TransparencyFilter(){
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25 | super();
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26 | 1776 | igbrotru | } |
27 | |||
28 | 1808 | igbrotru | public void pre(){ |
29 | //Obtenci?n de par?metros comunes a todos
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30 | this.rangesR = (int[][])params.get("red"); |
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31 | this.rangesG = (int[][])params.get("green"); |
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32 | this.rangesB = (int[][])params.get("blue"); |
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33 | this.alpha = ((Integer)params.get("alpha")).intValue(); |
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34 | this.transparencyColorRed = ((Integer)params.get("transparencyRed")).intValue(); |
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35 | this.transparencyColorGreen = ((Integer)params.get("transparencyGreen")).intValue(); |
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36 | this.transparencyColorBlue = ((Integer)params.get("transparencyBlue")).intValue(); |
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37 | 1776 | igbrotru | } |
38 | 1808 | igbrotru | |
39 | 1809 | igbrotru | /**
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40 | * Para dos intervalos dados, devuelve true si el intervalo B est? dentro del A y
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41 | * false si no lo est?
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42 | * @param intervalA
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43 | * @param intervalB
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44 | * @return
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45 | */
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46 | private boolean compareIntervals(int[][] intervalA, int[][] intervalB){ |
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47 | if(intervalA != null && intervalB != null){ |
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48 | boolean equalInterval = false; |
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49 | for(int i=0;i<intervalB.length;i++){ |
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50 | System.out.println("INTERVALO B ="+intervalB[i][0]+" "+intervalB[i][1]); |
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51 | for(int j=0;j<intervalA.length;j++){ |
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52 | System.out.println("COMPARANDO CON A ="+intervalA[j][0]+" "+intervalA[j][1]); |
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53 | if( intervalB[i][0] >= intervalA[i][0] && |
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54 | intervalB[i][1] <= intervalA[i][1]){ |
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55 | equalInterval = true;
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56 | break;
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57 | } |
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58 | } |
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59 | if(!equalInterval)
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60 | return false; |
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61 | } |
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62 | return true; |
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63 | } |
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64 | |||
65 | if(intervalA == null && intervalB == null) |
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66 | return true; |
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67 | |||
68 | return false; |
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69 | } |
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70 | |||
71 | /**
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72 | * Devuelve true si el filtro pasado por par?metro es equivalente a este
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73 | * y false si no lo es.
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74 | * @param filter Filtro a compara
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75 | * @return
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76 | */
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77 | public boolean isEquivalent(TransparencyFilter filter){ |
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78 | |||
79 | /*if( alpha!=filter.alpha ||
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80 | transparencyColorRed != filter.transparencyColorRed ||
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81 | transparencyColorGreen != filter.transparencyColorGreen ||
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82 | transparencyColorBlue != filter.transparencyColorBlue)
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83 | return false;*/
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84 | |||
85 | boolean equalRange = false; |
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86 | equalRange = compareIntervals((int[][])params.get("red"), (int[][])filter.params.get("red")); |
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87 | if(!equalRange)
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88 | return false; |
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89 | equalRange = false;
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90 | equalRange = compareIntervals((int[][])params.get("green"), (int[][])filter.params.get("green")); |
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91 | if(!equalRange)
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92 | return false; |
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93 | equalRange = false;
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94 | equalRange = compareIntervals((int[][])params.get("blue"), (int[][])filter.params.get("blue")); |
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95 | if(!equalRange)
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96 | return false; |
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97 | |||
98 | return true; |
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99 | } |
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100 | |||
101 | 1776 | igbrotru | } |
102 | |||
103 |