Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/jfree/XYStyle.java @ 5863:4897a58c8746

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River artifacts: Added new copyright headers.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 28 Apr 2013 14:40:59 +0200
parents 5aa05a7a34b7
children af13ceeba52a
rev   line source
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Sascha L. Teichmann <teichmann@intevation.de>
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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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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10
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11 import org.dive4elements.river.utils.ThemeUtil;
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12
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13 import java.awt.BasicStroke;
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14 import java.awt.Color;
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15 import java.awt.geom.Ellipse2D;
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16
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17 import org.apache.log4j.Logger;
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18 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
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19 import org.w3c.dom.Document;
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20
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21
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22 /**
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23 * Utility to apply theme-settings to a renderer.
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24 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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25 */
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26 public class XYStyle implements Style {
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27
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28 private static Logger logger = Logger.getLogger(XYStyle.class);
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29
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30 protected Document theme;
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31
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32 protected XYLineAndShapeRenderer renderer;
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33
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34
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35 public XYStyle(Document theme) {
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36 this.theme = theme;
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37 this.renderer = null;
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38 }
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39
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40
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41 /**
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42 * Applies line color, size and type attributes to renderer, also
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43 * whether to draw lines and/or points.
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44 */
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45 @Override
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46 public XYLineAndShapeRenderer applyTheme(XYLineAndShapeRenderer r, int idx){
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47 this.renderer = r;
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48 applyLineColor(r, idx);
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49 applyLineSize(r, idx);
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50 applyLineType(r, idx);
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51 applyShowLine(r, idx);
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52 applyShowPoints(r, idx);
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53 applyPointSize(r, idx);
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54 applyPointColor(r, idx);
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55 applyShowMinimum(r, idx);
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56 applyShowMaximum(r, idx);
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57
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58 // Line label styles
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59 applyShowLineLabel(r, idx);
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60 applyShowLineLabelBG(r, idx);
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61 applyLineLabelFont(r, idx);
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62 applyLineLabelColor(r, idx);
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63 applyLineLabelBGColor(r, idx);
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64
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65 // Point label styles
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66 // TODO: Currently point label are annotations and are not drawn this way
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67 /*
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68 applyShowPointLabelBG(r, idx);
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69 applyLinePointFont(r, idx);
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70 applyLinePointColor(r, idx);
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71 applyLinePointBGColor(r, idx);*/
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72
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73 return r;
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74 }
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75
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76
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77 /** Set line color to renderer. */
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78 protected void applyLineColor(XYLineAndShapeRenderer r, int idx) {
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79 Color c = ThemeUtil.parseLineColorField(theme);
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80 if(c != null) {
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81 logger.debug("applyLineColor " + c.toString());
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82 r.setSeriesPaint(idx, c);
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83 }
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84 else {
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85 logger.warn("applyLineColor: color is null - malformed linecolor field?");
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86 }
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87 }
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88
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89
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90 /** Tells the renderer whether or not to add a label to a line. */
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91 protected void applyShowLineLabel(XYLineAndShapeRenderer r, int idx) {
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92 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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93 return;
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94 }
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95 boolean showLabelLine = ThemeUtil.parseShowLineLabel(theme);
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96 boolean anyLabel = showLabelLine || ThemeUtil.parseShowWidth(theme) ||
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97 ThemeUtil.parseShowLevel(theme) ||
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98 ThemeUtil.parseShowMiddleHeight(theme);
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99 ((EnhancedLineAndShapeRenderer)r).setShowLineLabel(anyLabel, idx);
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100 }
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101
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102
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103 /** Tells the renderer whether or not to fill the bg of a lines label. */
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104 protected void applyShowLineLabelBG(XYLineAndShapeRenderer r, int idx) {
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105 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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106 return;
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107 }
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108 boolean showLabelLine = ThemeUtil.parseLabelShowBackground(theme);
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109 ((EnhancedLineAndShapeRenderer)r).setShowLineLabelBG(idx, showLabelLine);
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110 }
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111
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112 /** Tell the renderer which font (and -size and -style) to use for
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113 * linelabels. */
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114 protected void applyLineLabelFont(XYLineAndShapeRenderer r, int idx) {
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115 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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116 return;
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117 }
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118 ((EnhancedLineAndShapeRenderer)r).setLineLabelFont(
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119 ThemeUtil.parseTextFont(theme), idx);
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120 }
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121
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122 /** Tell the renderer which color to use for
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123 * linelabels. */
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124 protected void applyLineLabelColor(XYLineAndShapeRenderer r, int idx) {
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125 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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126 return;
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127 }
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128 ((EnhancedLineAndShapeRenderer)r).setLineLabelTextColor(
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129 idx, ThemeUtil.parseTextColor(theme));
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130 }
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131
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132 /** Tell the renderer which color to use for bg of
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133 * linelabels. */
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134 protected void applyLineLabelBGColor(XYLineAndShapeRenderer r, int idx) {
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135 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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136 return;
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137 }
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138 ((EnhancedLineAndShapeRenderer)r).setLineLabelBGColor(idx,
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139 ThemeUtil.parseTextBackground(theme));
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140 }
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141
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142 /** Set stroke of series. */
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143 protected void applyLineSize(XYLineAndShapeRenderer r, int idx) {
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144 int size = ThemeUtil.parseLineWidth(theme);
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145 r.setSeriesStroke(
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146 idx,
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147 new BasicStroke(size));
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148 }
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149
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150
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151 /** Set stroke strength of series. */
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152 protected void applyLineType(XYLineAndShapeRenderer r, int idx) {
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153 int size = ThemeUtil.parseLineWidth(theme);
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154 float[] dashes = ThemeUtil.parseLineStyle(theme);
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155
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156 // Do not apply the dashed style.
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157 if (dashes.length <= 1) {
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158 return;
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159 }
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160
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161 r.setSeriesStroke(
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162 idx,
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163 new BasicStroke(size,
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164 BasicStroke.CAP_BUTT,
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165 BasicStroke.JOIN_ROUND,
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166 1.0f,
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167 dashes,
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168 0.0f));
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169 }
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170
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171
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172 protected void applyPointSize(XYLineAndShapeRenderer r, int idx) {
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173 int size = ThemeUtil.parsePointWidth(theme);
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174 int dim = 2 * size;
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175
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176 r.setSeriesShape(idx, new Ellipse2D.Double(-size, -size, dim, dim));
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177 }
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178
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179
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180 protected void applyPointColor(XYLineAndShapeRenderer r, int idx) {
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181 Color c = ThemeUtil.parsePointColor(theme);
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182
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183 if (c != null) {
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184 r.setSeriesFillPaint(idx, c);
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185 r.setUseFillPaint(true);
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186 r.setDrawOutlines(false);
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187 }
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188 }
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189
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190
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191 /**
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192 * Sets form and visibility of points.
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193 */
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194 protected void applyShowPoints(XYLineAndShapeRenderer r, int idx) {
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195 boolean show = ThemeUtil.parseShowPoints(theme);
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196
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197 r.setSeriesShapesVisible(idx, show);
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198 r.setDrawOutlines(true);
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199 }
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200
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201
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202 protected void applyShowLine(XYLineAndShapeRenderer r, int idx) {
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203 boolean show = ThemeUtil.parseShowLine(theme);
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204 r.setSeriesLinesVisible(idx, show);
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205 }
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206
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207
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208 protected void applyShowMinimum(XYLineAndShapeRenderer r, int idx) {
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209 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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210 return;
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211 }
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212
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213 boolean visible = ThemeUtil.parseShowMinimum(theme);
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214
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215 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
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216 er.setIsMinimumShapeVisisble(idx, visible);
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217 }
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218
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219
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220 protected void applyShowMaximum(XYLineAndShapeRenderer r, int idx) {
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221 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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222 return;
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223 }
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224
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225 boolean visible = ThemeUtil.parseShowMaximum(theme);
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226
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227 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
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228 er.setIsMaximumShapeVisible(idx, visible);
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229 }
3134
5a0aef74c316 Use different stylings for real and interpolated data points.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 3090
diff changeset
230
5a0aef74c316 Use different stylings for real and interpolated data points.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 3090
diff changeset
231
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Christian Lins <christian.lins@intevation.de>
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diff changeset
232 @Override
3134
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diff changeset
233 public XYLineAndShapeRenderer getRenderer() {
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234 return this.renderer;
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parents: 3090
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235 }
2321
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236 }
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237 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org