Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/jfree/XYStyle.java @ 6905:1b35b2ddfc28

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Artifacts: Introduce ThemeDocument & make stuff compileable again. THIS BREAKS THE SYSTEM! TODO: Move ThemeUtils into ThemeDocument.
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 22 Aug 2013 23:31:38 +0200
parents af13ceeba52a
children 2d690611d110
rev   line source
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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.themes.ThemeDocument;
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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
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20
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21 /**
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22 * Utility to apply theme-settings to a renderer.
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23 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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24 */
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25 public class XYStyle implements Style {
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26
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27 private static Logger logger = Logger.getLogger(XYStyle.class);
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28
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29 protected ThemeDocument theme;
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30
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31 protected XYLineAndShapeRenderer renderer;
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32
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33
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34 public XYStyle(ThemeDocument theme) {
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35 this.theme = theme;
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36 }
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37
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38
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39 /**
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40 * Applies line color, size and type attributes to renderer, also
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41 * whether to draw lines and/or points.
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42 */
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43 @Override
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44 public XYLineAndShapeRenderer applyTheme(XYLineAndShapeRenderer r, int idx){
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45 this.renderer = r;
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46 applyLineColor(r, idx);
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47 applyLineSize(r, idx);
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48 applyLineType(r, idx);
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49 applyShowLine(r, idx);
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50 applyShowPoints(r, idx);
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51 applyPointSize(r, idx);
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52 applyPointColor(r, idx);
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53 applyShowMinimum(r, idx);
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54 applyShowMaximum(r, idx);
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55
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56 // Line label styles
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57 applyShowLineLabel(r, idx);
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58 applyShowLineLabelBG(r, idx);
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59 applyLineLabelFont(r, idx);
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60 applyLineLabelColor(r, idx);
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61 applyLineLabelBGColor(r, idx);
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62
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63 // Point label styles
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64 // TODO: Currently point label are annotations and are not drawn this way
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65 /*
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66 applyShowPointLabelBG(r, idx);
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67 applyLinePointFont(r, idx);
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68 applyLinePointColor(r, idx);
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69 applyLinePointBGColor(r, idx);*/
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70
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71 return r;
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72 }
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73
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74
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75 /** Set line color to renderer. */
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76 protected void applyLineColor(XYLineAndShapeRenderer r, int idx) {
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77 Color c = theme.parseLineColorField();
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78 if(c != null) {
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79 logger.debug("applyLineColor " + c.toString());
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80 r.setSeriesPaint(idx, c);
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81 }
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82 else {
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83 logger.warn("applyLineColor: color is null - malformed linecolor field?");
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84 }
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85 }
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86
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87
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88 /** Tells the renderer whether or not to add a label to a line. */
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89 protected void applyShowLineLabel(XYLineAndShapeRenderer r, int idx) {
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90 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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91 return;
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92 }
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93 boolean showLabelLine = theme.parseShowLineLabel();
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94 boolean anyLabel = showLabelLine || theme.parseShowWidth() ||
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95 theme.parseShowLevel() ||
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96 theme.parseShowMiddleHeight();
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97 ((EnhancedLineAndShapeRenderer)r).setShowLineLabel(anyLabel, idx);
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98 }
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99
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100
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101 /** Tells the renderer whether or not to fill the bg of a lines label. */
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102 protected void applyShowLineLabelBG(XYLineAndShapeRenderer r, int idx) {
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103 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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104 return;
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105 }
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106 boolean showLabelLine = theme.parseLabelShowBackground();
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107 ((EnhancedLineAndShapeRenderer)r).setShowLineLabelBG(idx, showLabelLine);
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108 }
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109
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110 /** Tell the renderer which font (and -size and -style) to use for
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111 * linelabels. */
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112 protected void applyLineLabelFont(XYLineAndShapeRenderer r, int idx) {
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113 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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114 return;
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115 }
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116 ((EnhancedLineAndShapeRenderer)r).setLineLabelFont(
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117 theme.parseTextFont(), idx);
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118 }
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119
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120 /** Tell the renderer which color to use for
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121 * linelabels. */
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122 protected void applyLineLabelColor(XYLineAndShapeRenderer r, int idx) {
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123 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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124 return;
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125 }
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126 ((EnhancedLineAndShapeRenderer)r).setLineLabelTextColor(
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127 idx, theme.parseTextColor());
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128 }
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129
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130 /** Tell the renderer which color to use for bg of
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131 * linelabels. */
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132 protected void applyLineLabelBGColor(XYLineAndShapeRenderer r, int idx) {
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133 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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134 return;
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135 }
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136 ((EnhancedLineAndShapeRenderer)r).setLineLabelBGColor(idx,
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137 theme.parseTextBackground());
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138 }
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139
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140 /** Set stroke of series. */
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141 protected void applyLineSize(XYLineAndShapeRenderer r, int idx) {
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142 int size = theme.parseLineWidth();
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143 r.setSeriesStroke(
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144 idx,
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145 new BasicStroke(size));
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146 }
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147
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148
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149 /** Set stroke strength of series. */
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150 protected void applyLineType(XYLineAndShapeRenderer r, int idx) {
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151 int size = theme.parseLineWidth();
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152 float[] dashes = theme.parseLineStyle();
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153
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154 // Do not apply the dashed style.
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155 if (dashes.length <= 1) {
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156 return;
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157 }
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158
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159 r.setSeriesStroke(
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160 idx,
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161 new BasicStroke(size,
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162 BasicStroke.CAP_BUTT,
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163 BasicStroke.JOIN_ROUND,
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164 1.0f,
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165 dashes,
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166 0.0f));
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167 }
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168
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169
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170 protected void applyPointSize(XYLineAndShapeRenderer r, int idx) {
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171 int size = theme.parsePointWidth();
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172 int dim = 2 * size;
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173
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174 r.setSeriesShape(idx, new Ellipse2D.Double(-size, -size, dim, dim));
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175 }
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176
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177
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178 protected void applyPointColor(XYLineAndShapeRenderer r, int idx) {
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179 Color c = theme.parsePointColor();
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180
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181 if (c != null) {
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182 r.setSeriesFillPaint(idx, c);
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183 r.setUseFillPaint(true);
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184 r.setDrawOutlines(false);
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185 }
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186 }
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187
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188
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189 /**
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190 * Sets form and visibility of points.
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191 */
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192 protected void applyShowPoints(XYLineAndShapeRenderer r, int idx) {
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193 boolean show = theme.parseShowPoints();
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194
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195 r.setSeriesShapesVisible(idx, show);
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196 r.setDrawOutlines(true);
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197 }
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198
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199
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200 protected void applyShowLine(XYLineAndShapeRenderer r, int idx) {
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201 boolean show = theme.parseShowLine();
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202 r.setSeriesLinesVisible(idx, show);
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203 }
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204
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205
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206 protected void applyShowMinimum(XYLineAndShapeRenderer r, int idx) {
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207 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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208 return;
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209 }
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210
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211 boolean visible = theme.parseShowMinimum();
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212
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213 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
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214 er.setIsMinimumShapeVisisble(idx, visible);
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215 }
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216
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217
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218 protected void applyShowMaximum(XYLineAndShapeRenderer r, int idx) {
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219 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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220 return;
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221 }
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222
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223 boolean visible = theme.parseShowMaximum();
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224
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225 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
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226 er.setIsMaximumShapeVisible(idx, visible);
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227 }
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228
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229
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230 @Override
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231 public XYLineAndShapeRenderer getRenderer() {
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232 return this.renderer;
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233 }
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234 }
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235 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org