Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/jfree/StyledAreaSeriesCollection.java @ 9496:d8e753d0fdb9

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stripedArea introduced for Assessment Scheme/Bewertungsschema
author gernotbelger
date Wed, 26 Sep 2018 15:48:05 +0200
parents eec4df8165a1
children ef5754ba5573
rev   line source
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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Sascha L. Teichmann <teichmann@intevation.de>
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.jfree;
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11 import java.awt.BasicStroke;
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12 import java.awt.Color;
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13 import java.awt.Font;
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14 import java.awt.Paint;
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15 import java.awt.Stroke;
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16 import java.awt.TexturePaint;
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17 import java.awt.geom.Ellipse2D;
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18 import java.awt.geom.Rectangle2D;
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19 import java.awt.image.BufferedImage;
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20
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21 import org.apache.log4j.Logger;
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22 import org.dive4elements.artifacts.CallMeta;
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23 import org.dive4elements.river.artifacts.resources.Resources;
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24 import org.dive4elements.river.java2d.ShapeUtils;
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25 import org.dive4elements.river.themes.ThemeDocument;
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26 import org.dive4elements.river.utils.Formatter;
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27 import org.jfree.chart.LegendItem;
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28 import org.jfree.chart.LegendItemCollection;
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29 import org.jfree.chart.plot.XYPlot;
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30 import org.jfree.data.xy.XYSeriesCollection;
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31
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32 /**
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33 * One or more dataseries to draw a polygon (either "open up/downwards", or
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34 * the area between two curves), a theme-document and further display options.
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35 * The theme-document will later "style" the graphical representation.
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36 * The display options can be used to control the z-order and the axis of the
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37 * dataset.
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38 */
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39 // FIXME: bad abstraction: the only purpose of this derivation is to apply specific styles. This should rather be solved
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40 // similar to the XYSTyle.
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41 public class StyledAreaSeriesCollection extends XYSeriesCollection implements StyledXYDataset {
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42 private static final long serialVersionUID = 5274940965666948237L;
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43
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44 private static final Logger log = Logger.getLogger(StyledAreaSeriesCollection.class);
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45
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46 /** Mode, how to draw/which areas to fill. */
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47 public enum FILL_MODE {
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48 UNDER, ABOVE, BETWEEN
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49 }
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50
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51 /** MODE in use. */
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52 private FILL_MODE mode;
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53
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54 /** Theme-document with attributes about actual visual representation. */
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55 private final ThemeDocument theme;
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56
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57 /**
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58 * @param theme
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59 * the theme-document.
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60 */
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61 public StyledAreaSeriesCollection(final ThemeDocument theme) {
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62 this.theme = theme;
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63 this.mode = FILL_MODE.BETWEEN;
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64 }
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65
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66 /** Gets the Fill mode. */
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67 private FILL_MODE getMode() {
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68 return this.mode;
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69 }
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70
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71 /** Sets the Fill mode. */
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72 public void setMode(final FILL_MODE fMode) {
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73 this.mode = fMode;
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74 }
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75
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76 @Override
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77 public void applyTheme(final CallMeta callMeta, final XYPlot plot, final int datasetIndex, final Font legendFont) {
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78
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79 final LegendItemCollection lic = new LegendItemCollection();
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80 final LegendItemCollection anno = plot.getFixedLegendItems();
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81
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82 log.debug("Registering an 'area'renderer at idx: " + datasetIndex);
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83
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84 final StableXYDifferenceRenderer dRenderer = new StableXYDifferenceRenderer();
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85
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86 if (getMode() == StyledAreaSeriesCollection.FILL_MODE.UNDER) {
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87 dRenderer.setPositivePaint(createTransparentPaint());
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88 }
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89
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90 plot.setRenderer(datasetIndex, dRenderer);
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91
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92 applyTheme(dRenderer);
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93
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94 // i18n
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95 dRenderer.setAreaLabelNumberFormat(Formatter.getFormatter(callMeta, 2, 4));
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96
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97 dRenderer.setAreaLabelTemplate(Resources.getMsg(callMeta, "area.label.template", "Area=%sm2"));
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98
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99 final LegendItem legendItem = dRenderer.getLegendItem(datasetIndex, 0);
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100 if (legendItem != null) {
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101 legendItem.setLabelFont(legendFont);
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102 lic.add(legendItem);
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103 } else {
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104 log.warn("Could not get LegentItem for renderer: " + datasetIndex + ", series-idx " + 0);
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105 }
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106
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107 if (anno != null) {
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108 lic.addAll(anno);
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109 }
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110
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111 plot.setFixedLegendItems(lic);
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112 }
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113
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114 /**
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115 * Returns a transparently textured paint.
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116 *
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117 * @return a transparently textured paint.
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118 */
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119 private static Paint createTransparentPaint() {
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120 // TODO why not use a transparent color?
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121 final BufferedImage texture = new BufferedImage(1, 1, BufferedImage.TYPE_4BYTE_ABGR);
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122
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123 return new TexturePaint(texture, new Rectangle2D.Double(0d, 0d, 0d, 0d));
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124 }
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125
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126 /**
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127 * Applies line color, size and type attributes to renderer, also
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128 * whether to draw lines and/or points.
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129 *
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130 * @param renderer
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131 * Renderer to apply theme to.
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132 * @return \param renderer
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133 */
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134 private StableXYDifferenceRenderer applyTheme(final StableXYDifferenceRenderer renderer) {
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135 applyFillColor(renderer);
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136 applyShowBorder(renderer);
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137 applyShowArea(renderer);
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138 applyOutlineColor(renderer);
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139 applyOutlineStyle(renderer);
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140 applyShowLine(renderer);
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141 applyShowAreaLabel(renderer);
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142 applyShowLineLabel(renderer);
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143 applyPointStyle(renderer);
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144 applyShowMinimumMaximum(renderer);
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145 if (this.mode == FILL_MODE.UNDER) {
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146 renderer.setAreaCalculationMode(StableXYDifferenceRenderer.CALCULATE_NEGATIVE_AREA);
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147 } else if (this.mode == FILL_MODE.ABOVE) {
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148 renderer.setAreaCalculationMode(StableXYDifferenceRenderer.CALCULATE_POSITIVE_AREA);
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149 } else {
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150 renderer.setAreaCalculationMode(StableXYDifferenceRenderer.CALCULATE_ALL_AREA);
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151 }
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152
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153 // Apply text style.
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154 this.theme.parseComplexTextStyle().apply(renderer);
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155 return renderer;
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156 }
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157
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158 private void applyShowMinimumMaximum(final StableXYDifferenceRenderer renderer) {
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159
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160 // TODO: nice to have
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161
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162 // final boolean minimumVisible = this.theme.parseShowMinimum();
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163 // renderer.setIsMinimumShapeVisible(minimumVisible);
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164 //
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165 // final boolean maximumVisible = this.theme.parseShowMaximum();
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166 // renderer.setIsMaximumShapeVisible(maximumVisible);
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167 }
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168
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169 private void applyFillColor(final StableXYDifferenceRenderer renderer) {
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170
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171 Paint paint = parseFillPaint();
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172
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173 if (paint != null && this.getMode() == FILL_MODE.ABOVE) {
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174 renderer.setPositivePaint(paint);
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175 renderer.setNegativePaint(new Color(0, 0, 0, 0));
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176 } else if (paint != null && this.getMode() == FILL_MODE.UNDER) {
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177 renderer.setNegativePaint(paint);
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178 renderer.setPositivePaint(new Color(0, 0, 0, 0));
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179 } else {
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180 if (paint == null)
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181 paint = new Color(177, 117, 102);
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182
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183 renderer.setPositivePaint(paint);
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184 renderer.setNegativePaint(paint);
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185 }
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186 }
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187
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188 private Paint parseFillPaint() {
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189 final Color paint = this.theme.parseAreaBackgroundColor();
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190 final int transparency = this.theme.parseAreaTransparency();
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191
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192 final Color alphaPaint = ShapeUtils.withAlpha(paint, transparency);
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193
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194 final AreaFillPattern pattern = this.theme.parseAreaBackgroundPattern();
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195
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196 if (pattern == null || pattern == AreaFillPattern.patternFill)
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197 return alphaPaint;
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198
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199 final BufferedImage image = pattern.getImage(alphaPaint);
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200
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201 final Rectangle2D anchor = new Rectangle2D.Double(0, 0, image.getWidth(), image.getHeight());
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202 return new TexturePaint(image, anchor);
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203 }
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204
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205 private void applyShowBorder(final StableXYDifferenceRenderer renderer) {
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206 final boolean show = this.theme.parseAreaShowBorder();
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207 renderer.setDrawOutline(show);
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208 }
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209
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210 private void applyShowArea(final StableXYDifferenceRenderer renderer) {
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211
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212 final boolean showArea = this.theme.parseShowArea();
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213 renderer.setDrawArea(showArea);
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214 }
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215
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216 private void applyShowLine(final StableXYDifferenceRenderer renderer) {
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217 /* FIXME: strange: this will enable/disable showing the 'point' shapes at each vertex. */
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218 /* FIXME: this will also now be overridden by the option 'showpoints' */
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219 final boolean show = this.theme.parseShowLine();
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220 renderer.setShapesVisible(show);
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221 }
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222
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223 private void applyOutlineColor(final StableXYDifferenceRenderer renderer) {
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224 final Color c = this.theme.parseLineColorField();
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225 renderer.setOutlinePaint(c);
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226 }
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227
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228 private void applyShowAreaLabel(final StableXYDifferenceRenderer renderer) {
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229 renderer.setShowAreaLabel(this.theme.parseShowAreaLabel());
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230 }
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231
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232 private void applyShowLineLabel(final StableXYDifferenceRenderer renderer) {
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233 // REMARK: using 'showlinelabel' to activate labeling the line with the title of the theme. This is the same behaviour
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234 // as for line-themes.
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235 final boolean showLabelLine = this.theme.parseShowLineLabel();
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236 renderer.setShowTitleLabel(showLabelLine);
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237 }
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238
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239 private void applyOutlineStyle(final StableXYDifferenceRenderer renderer) {
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240 final float[] dashes = this.theme.parseLineStyle();
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241 final int size = this.theme.parseLineWidth();
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242
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243 Stroke stroke = null;
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244
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245 if (dashes.length <= 1) {
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246 stroke = new BasicStroke(Integer.valueOf(size));
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247 } else {
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248 stroke = new BasicStroke(Integer.valueOf(size), BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND, 1.0f, dashes, 0.0f);
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249 }
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250
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251 renderer.setOutlineStroke(stroke);
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252 }
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253
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254 private void applyPointStyle(final StableXYDifferenceRenderer renderer) {
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255
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256 final boolean showPoints = this.theme.parseShowPoints();
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257 renderer.setShapesVisible(showPoints);
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258
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259 if (showPoints) {
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260 final int size = this.theme.parsePointWidth();
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261 final int dim = 2 * size;
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262
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263 final Ellipse2D pointShape = new Ellipse2D.Double(-size, -size, dim, dim);
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264 final Color pointColor = this.theme.parsePointColor();
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265
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266 renderer.setSeriesPaint(0, pointColor);
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267 renderer.setSeriesPaint(1, pointColor);
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268
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269 renderer.setSeriesShape(0, pointShape);
d9c89651bd67 Area chart layers may now have an 'arebgpattern'. Real pattern yet to be defined.
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parents: 8885
diff changeset
270 renderer.setSeriesShape(1, pointShape);
d9c89651bd67 Area chart layers may now have an 'arebgpattern'. Real pattern yet to be defined.
gernotbelger
parents: 8885
diff changeset
271 }
d9c89651bd67 Area chart layers may now have an 'arebgpattern'. Real pattern yet to be defined.
gernotbelger
parents: 8885
diff changeset
272 }
d9c89651bd67 Area chart layers may now have an 'arebgpattern'. Real pattern yet to be defined.
gernotbelger
parents: 8885
diff changeset
273
8885
e5f688820951 Some minor changes on chart: allow area-themes to consider range; allow for axis-margins
gernotbelger
parents: 8856
diff changeset
274 public boolean shouldCalculateRange() {
9182
77eb4553245b Fixed: waterlevels could not show a band any more
gernotbelger
parents: 8913
diff changeset
275 return this.theme.parseCalculateRange();
8885
e5f688820951 Some minor changes on chart: allow area-themes to consider range; allow for axis-margins
gernotbelger
parents: 8856
diff changeset
276 }
2074
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
277 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
278 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org