svn-gvsig-desktop / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / rendering / ColorRamp.java @ 472
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| 1 | 230 | fernando | /* Generated by Together */
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| 2 | package com.iver.cit.gvsig.fmap.rendering; |
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| 3 | |||
| 4 | 458 | fjp | import com.iver.cit.gvsig.fmap.core.v02.FSymbol; |
| 5 | 435 | vcaballero | import com.iver.cit.gvsig.fmap.rendering.styling.FStyle2D; |
| 6 | 230 | fernando | |
| 7 | 435 | vcaballero | import com.iver.utiles.StringUtilities; |
| 8 | import com.iver.utiles.XMLEntity; |
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| 9 | 298 | vcaballero | |
| 10 | 435 | vcaballero | import java.awt.Color; |
| 11 | 322 | fernando | |
| 12 | |||
| 13 | 298 | vcaballero | /**
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| 14 | 322 | fernando | * Rampa de colores para el dibujado de Raster's
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| 15 | 298 | vcaballero | *
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| 16 | * @author Vicente Caballero Navarro
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| 17 | */
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| 18 | 435 | vcaballero | public class ColorRamp implements RasterLegend { |
| 19 | 298 | vcaballero | private Color firstColor; |
| 20 | private Color lastColor; |
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| 21 | private double first; |
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| 22 | private double last; |
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| 23 | |||
| 24 | /**
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| 25 | * DOCUMENT ME!
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| 26 | *
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| 27 | * @param d DOCUMENT ME!
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| 28 | * @param c DOCUMENT ME!
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| 29 | */
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| 30 | public void setFirstPoint(double d, Color c) { |
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| 31 | firstColor = c; |
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| 32 | first = d; |
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| 33 | 233 | fernando | } |
| 34 | 230 | fernando | |
| 35 | 298 | vcaballero | /**
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| 36 | * DOCUMENT ME!
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| 37 | *
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| 38 | * @param d DOCUMENT ME!
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| 39 | * @param c DOCUMENT ME!
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| 40 | */
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| 41 | public void setLastPoint(double d, Color c) { |
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| 42 | lastColor = c; |
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| 43 | last = d; |
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| 44 | 233 | fernando | } |
| 45 | |||
| 46 | 298 | vcaballero | /**
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| 47 | * DOCUMENT ME!
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| 48 | *
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| 49 | * @param d DOCUMENT ME!
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| 50 | *
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| 51 | * @return DOCUMENT ME!
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| 52 | */
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| 53 | public Color getColor(double d) { |
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| 54 | int fr = firstColor.getRed();
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| 55 | int fg = firstColor.getGreen();
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| 56 | int fb = firstColor.getBlue();
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| 57 | |||
| 58 | int lr = lastColor.getRed();
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| 59 | int lg = lastColor.getGreen();
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| 60 | int lb = lastColor.getBlue();
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| 61 | |||
| 62 | double total = last - first;
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| 63 | double tr = lr - fr;
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| 64 | double tg = lg - fg;
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| 65 | double tb = lb - fb;
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| 66 | |||
| 67 | double por = (d - first) / total;
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| 68 | int r = (int) ((por * tr) + fr); |
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| 69 | int g = (int) ((por * tg) + fg); |
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| 70 | int b = (int) ((por * tb) + fb); |
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| 71 | |||
| 72 | return new Color(r, g, b); |
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| 73 | 233 | fernando | } |
| 74 | 322 | fernando | |
| 75 | 435 | vcaballero | /**
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| 76 | * @see com.iver.cit.gvsig.fmap.rendering.ClassifiedLegendInfo#getDescriptions()
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| 77 | */
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| 78 | public String[] getDescriptions() { |
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| 79 | return null; |
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| 80 | } |
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| 81 | 322 | fernando | |
| 82 | 435 | vcaballero | /**
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| 83 | * @see com.iver.cit.gvsig.fmap.rendering.ClassifiedLegendInfo#getSymbols()
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| 84 | */
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| 85 | 458 | fjp | public FSymbol[] getSymbols() { |
| 86 | 435 | vcaballero | return null; |
| 87 | } |
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| 88 | 322 | fernando | |
| 89 | 435 | vcaballero | /**
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| 90 | * @see com.iver.cit.gvsig.fmap.rendering.ClassifiedLegendInfo#getValues()
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| 91 | */
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| 92 | public Object[] getValues() { |
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| 93 | return null; |
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| 94 | } |
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| 95 | 322 | fernando | |
| 96 | 435 | vcaballero | /**
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| 97 | 458 | fjp | * @see com.iver.cit.gvsig.fmap.rendering.Legend#getDefaultSymbol()
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| 98 | 435 | vcaballero | */
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| 99 | 458 | fjp | public FSymbol getDefaultSymbol() {
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| 100 | 435 | vcaballero | return null; |
| 101 | } |
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| 102 | 322 | fernando | |
| 103 | 435 | vcaballero | /**
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| 104 | * @see com.iver.cit.gvsig.fmap.rendering.RasterLegend#getSymbol(double)
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| 105 | */
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| 106 | public FStyle2D getSymbol(double d) { |
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| 107 | return null; |
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| 108 | } |
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| 109 | 322 | fernando | |
| 110 | 435 | vcaballero | /**
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| 111 | * @see com.iver.cit.gvsig.fmap.rendering.RasterLegend#setDefaultSymbol(com.iver.cit.gvsig.fmap.rendering.styling.FStyle2D)
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| 112 | */
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| 113 | public void setDefaultSymbol(FStyle2D s) { |
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| 114 | } |
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| 115 | |||
| 116 | /**
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| 117 | 458 | fjp | * @see com.iver.cit.gvsig.fmap.rendering.Legend#getXMLEntity()
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| 118 | 435 | vcaballero | */
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| 119 | public XMLEntity getXMLEntity() {
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| 120 | XMLEntity xml = new XMLEntity();
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| 121 | xml.putProperty("first", first);
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| 122 | xml.putProperty("firstColor", StringUtilities.color2String(firstColor));
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| 123 | xml.putProperty("last", last);
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| 124 | xml.putProperty("lastColor", StringUtilities.color2String(lastColor));
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| 125 | |||
| 126 | return xml;
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| 127 | } |
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| 128 | |||
| 129 | /**
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| 130 | * DOCUMENT ME!
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| 131 | *
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| 132 | * @param xml DOCUMENT ME!
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| 133 | *
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| 134 | * @return DOCUMENT ME!
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| 135 | */
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| 136 | public static ColorRamp createFromXML(XMLEntity xml) { |
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| 137 | ColorRamp cr = new ColorRamp();
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| 138 | cr.first = xml.getDoubleProperty("first");
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| 139 | cr.firstColor = StringUtilities.string2Color(xml.getStringProperty( |
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| 140 | "fistColor"));
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| 141 | cr.last = xml.getDoubleProperty("last");
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| 142 | cr.lastColor = StringUtilities.string2Color(xml.getStringProperty( |
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| 143 | "lastColor"));
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| 144 | |||
| 145 | return cr;
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| 146 | } |
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| 147 | |||
| 148 | /**
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| 149 | 470 | fjp | * @see com.iver.cit.gvsig.fmap.rendering.Legend#cloneLegend()
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| 150 | 435 | vcaballero | */
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| 151 | 470 | fjp | public Legend cloneLegend() {
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| 152 | 435 | vcaballero | return createFromXML(getXMLEntity());
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| 153 | } |
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| 154 | 230 | fernando | } |