Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/exports/StyledAreaSeriesCollection.java @ 2066:2b6a0de47379

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Improved the WaterlevelExporter: added range check for W/Q at gauge. flys-artifacts/trunk@3561 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Mon, 02 Jan 2012 10:59:42 +0000
parents ca8997aa683e
children fd95bfbb2ec2
rev   line source
2020
4f7f781e4481 Improved area rendering workflow.
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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
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5 import org.apache.log4j.Logger;
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6
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7 import org.w3c.dom.Document;
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8
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9 import org.jfree.data.xy.XYSeriesCollection;
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10
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11 import de.intevation.flys.utils.ThemeUtil;
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12 import de.intevation.flys.jfree.StableXYDifferenceRenderer;
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13
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14
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15 /**
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16 * One or more dataseries to draw a polygon (either "open up/downwards", or
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17 * the area between two curves), a theme-document and further display options.
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18 * The theme-document will later "style" the graphical representation.
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19 * The display options can be used to control the z-order and the axis of the
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20 * dataset.
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21 */
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22 public class StyledAreaSeriesCollection extends XYSeriesCollection {
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23 /** Mode, how to draw/which areas to fill. */
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24 public enum FILL_MODE {UNDER, ABOVE, BETWEEN};
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25
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26 /** MODE in use. */
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27 protected FILL_MODE mode;
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28
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29 /** The theme-document with attributes about actual visual representation. */
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30 protected Document theme;
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31
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32 /** Own logger. */
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33 private static final Logger logger =
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34 Logger.getLogger(StyledAreaSeriesCollection.class);
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35
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36
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37 /**
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38 * @param theme the theme-document.
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39 */
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40 public StyledAreaSeriesCollection(Document theme) {
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41 this.theme = theme;
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42 this.mode = FILL_MODE.BETWEEN;
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43 }
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44
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45
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46 /** Gets the Fill mode. */
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47 public FILL_MODE getMode() {
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48 return this.mode;
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49 }
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50
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51
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52 /** Sets the Fill mode. */
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53 public void setMode(FILL_MODE fMode) {
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54 this.mode = fMode;
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55 }
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56
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57
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58 /**
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59 * Applies line color, size and type attributes to renderer, also
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60 * whether to draw lines and/or points.
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61 */
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62 public StableXYDifferenceRenderer applyTheme(
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63 StableXYDifferenceRenderer renderer
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64 ) {
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65 applyFillColor(renderer);
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66 applyShowShape(renderer);
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67
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68 return renderer;
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69 }
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70
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71
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72 /**
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73 * Blindly (for now) apply the postiviepaint of renderer.
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74 */
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75 protected void applyFillColor(StableXYDifferenceRenderer renderer) {
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76 // Get color.
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77 Color paint = ThemeUtil.parseFillColorField(theme);
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78 // Get half-transparency flag.
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79 if (ThemeUtil.parseTransparency(theme)) {
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80 paint = new Color(paint.getRed(), paint.getGreen(), paint.getBlue(),
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81 128);
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82 }
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83 if (paint != null && this.getMode() == FILL_MODE.ABOVE) {
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84 renderer.setPositivePaint(paint);
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85 renderer.setNegativePaint(new Color(0,0,0,0));
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86 }
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87 else if (paint != null && this.getMode() == FILL_MODE.UNDER) {
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88 renderer.setNegativePaint(paint);
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89 renderer.setPositivePaint(new Color(0,0,0,0));
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90 }
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91 else {
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92 renderer.setPositivePaint(paint);
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93 renderer.setNegativePaint(paint);
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94 }
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95 }
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96
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97 /**
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98 * Blindly (for now) apply the postiviepaint of renderer.
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99 */
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100 protected void applyShowShape(StableXYDifferenceRenderer renderer) {
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101 boolean show = ThemeUtil.parseShowBorder(theme);
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102 renderer.setShapesVisible(show);
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103 }
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104 }
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105 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org