Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/exports/StyledAreaSeriesCollection.java @ 2032:5746c74c69cf

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Added a transparency setting to area theme style. flys-artifacts/trunk@3497 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Tue, 20 Dec 2011 15:06:41 +0000
parents 3c3693e9c538
children ca8997aa683e
rev   line source
2020
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1 package de.intevation.flys.exports;
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2
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3 import java.awt.Color;
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4 import java.awt.Paint;
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5
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6 import org.apache.log4j.Logger;
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7
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8 import org.w3c.dom.Document;
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9
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10 import org.jfree.data.xy.XYSeriesCollection;
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11
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12 import de.intevation.flys.utils.ThemeUtil;
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13 import de.intevation.flys.jfree.StableXYDifferenceRenderer;
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14
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15
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16 /**
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17 * One or more dataseries to draw a polygon (either "open up/downwards", or
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18 * the area between two curves), a theme-document and further display options.
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19 * The theme-document will later "style" the graphical representation.
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20 * The display options can be used to control the z-order and the axis of the
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21 * dataset.
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22 */
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23 public class StyledAreaSeriesCollection extends XYSeriesCollection {
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24 /** Mode, how to draw/which areas to fill. */
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25 public enum FILL_MODE {UNDER, ABOVE, BETWEEN};
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26
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27 /** MODE in use. */
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28 protected FILL_MODE mode;
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29
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30 /** The theme-document with attributes about actual visual representation. */
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31 protected Document theme;
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32
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33 /** Own logger. */
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34 private static final Logger logger =
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35 Logger.getLogger(StyledAreaSeriesCollection.class);
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36
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37
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38 /**
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39 * @param theme the theme-document.
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40 */
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41 public StyledAreaSeriesCollection(Document theme) {
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42 this.theme = theme;
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43 this.mode = FILL_MODE.BETWEEN;
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44 }
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45
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46
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47 /** Gets the Fill mode. */
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48 public FILL_MODE getMode() {
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49 return this.mode;
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50 }
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51
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52
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53 /** Sets the Fill mode. */
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54 public void setMode(FILL_MODE fMode) {
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55 this.mode = fMode;
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56 }
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57
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58
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59 /**
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60 * Applies line color, size and type attributes to renderer, also
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61 * whether to draw lines and/or points.
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62 */
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63 public StableXYDifferenceRenderer applyTheme(
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64 StableXYDifferenceRenderer renderer
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65 ) {
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66 applyFillColor(renderer);
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67 applyShowShape(renderer);
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68
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69 return renderer;
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70 }
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71
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72
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73 /**
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74 * Blindly (for now) apply the postiviepaint of renderer.
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75 */
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76 protected void applyFillColor(StableXYDifferenceRenderer renderer) {
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77 // Get color.
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78 Color paint = ThemeUtil.parseFillColorField(theme);
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79 // Get half-transparency flag.
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80 if (ThemeUtil.parseTransparency(theme)) {
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81 paint = new Color(paint.getRed(), paint.getGreen(), paint.getBlue(),
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82 128);
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83 }
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84 if (paint != null && this.getMode() == FILL_MODE.ABOVE) {
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85 renderer.setPositivePaint(paint);
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86 renderer.setNegativePaint(new Color(0,0,0,0));
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87 }
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88 else if (paint != null && this.getMode() == FILL_MODE.UNDER) {
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89 renderer.setNegativePaint(paint);
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90 renderer.setPositivePaint(new Color(0,0,0,0));
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91 }
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92 else {
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93 renderer.setPositivePaint(paint);
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94 renderer.setNegativePaint(paint);
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95 }
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96 }
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97
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98 /**
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99 * Blindly (for now) apply the postiviepaint of renderer.
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100 */
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101 protected void applyShowShape(StableXYDifferenceRenderer renderer) {
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102 boolean show = ThemeUtil.parseShowBorder(theme);
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103 renderer.setShapesVisible(show);
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104 }
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105 }
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106 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org