Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/jfree/XYStyle.java @ 7167:2fd238b681a9

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Add debug output triggered by debugging the last commit
author Andre Heinecke <aheinecke@intevation.de>
date Thu, 26 Sep 2013 12:22:01 +0200
parents 2d690611d110
children d20a26e96ef1
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 if (theme == null) {
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46 // Hurray we already applied nothing :)
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47 return r;
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48 }
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49 this.renderer = r;
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50 applyLineColor(r, idx);
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51 applyLineSize(r, idx);
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52 applyLineType(r, idx);
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53 applyShowLine(r, idx);
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54 applyShowPoints(r, idx);
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55 applyPointSize(r, idx);
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56 applyPointColor(r, idx);
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57 applyShowMinimum(r, idx);
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58 applyShowMaximum(r, idx);
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59
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60 // Line label styles
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61 applyShowLineLabel(r, idx);
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62 applyShowLineLabelBG(r, idx);
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63 applyLineLabelFont(r, idx);
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64 applyLineLabelColor(r, idx);
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65 applyLineLabelBGColor(r, idx);
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66
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67 // Point label styles
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68 // TODO: Currently point label are annotations and are not drawn this way
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69 /*
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70 applyShowPointLabelBG(r, idx);
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71 applyLinePointFont(r, idx);
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72 applyLinePointColor(r, idx);
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73 applyLinePointBGColor(r, idx);*/
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74
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75 return r;
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76 }
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77
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78
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79 /** Set line color to renderer. */
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80 protected void applyLineColor(XYLineAndShapeRenderer r, int idx) {
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81 Color c = theme.parseLineColorField();
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82 if(c != null) {
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83 logger.debug("applyLineColor " + c.toString());
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84 r.setSeriesPaint(idx, c);
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85 }
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86 else {
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87 logger.warn("applyLineColor: color is null - malformed linecolor field?");
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88 }
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89 }
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90
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91
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92 /** Tells the renderer whether or not to add a label to a line. */
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93 protected void applyShowLineLabel(XYLineAndShapeRenderer r, int idx) {
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94 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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95 return;
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96 }
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97 boolean showLabelLine = theme.parseShowLineLabel();
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98 boolean anyLabel = showLabelLine || theme.parseShowWidth() ||
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99 theme.parseShowLevel() ||
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100 theme.parseShowMiddleHeight();
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101 ((EnhancedLineAndShapeRenderer)r).setShowLineLabel(anyLabel, idx);
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102 }
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103
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104
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105 /** Tells the renderer whether or not to fill the bg of a lines label. */
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106 protected void applyShowLineLabelBG(XYLineAndShapeRenderer r, int idx) {
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107 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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108 return;
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109 }
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110 boolean showLabelLine = theme.parseLabelShowBackground();
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111 ((EnhancedLineAndShapeRenderer)r).setShowLineLabelBG(idx, showLabelLine);
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112 }
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113
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114 /** Tell the renderer which font (and -size and -style) to use for
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115 * linelabels. */
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116 protected void applyLineLabelFont(XYLineAndShapeRenderer r, int idx) {
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117 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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118 return;
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119 }
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120 ((EnhancedLineAndShapeRenderer)r).setLineLabelFont(
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121 theme.parseTextFont(), idx);
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122 }
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123
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124 /** Tell the renderer which color to use for
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125 * linelabels. */
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126 protected void applyLineLabelColor(XYLineAndShapeRenderer r, int idx) {
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127 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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128 return;
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129 }
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130 ((EnhancedLineAndShapeRenderer)r).setLineLabelTextColor(
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131 idx, theme.parseTextColor());
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132 }
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133
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134 /** Tell the renderer which color to use for bg of
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135 * linelabels. */
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136 protected void applyLineLabelBGColor(XYLineAndShapeRenderer r, int idx) {
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137 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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138 return;
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139 }
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140 ((EnhancedLineAndShapeRenderer)r).setLineLabelBGColor(idx,
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141 theme.parseTextBackground());
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142 }
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143
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144 /** Set stroke of series. */
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145 protected void applyLineSize(XYLineAndShapeRenderer r, int idx) {
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146 int size = theme.parseLineWidth();
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147 r.setSeriesStroke(
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148 idx,
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149 new BasicStroke(size));
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150 }
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151
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152
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153 /** Set stroke strength of series. */
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154 protected void applyLineType(XYLineAndShapeRenderer r, int idx) {
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155 int size = theme.parseLineWidth();
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156 float[] dashes = theme.parseLineStyle();
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157
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158 // Do not apply the dashed style.
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159 if (dashes.length <= 1) {
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160 return;
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161 }
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162
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163 r.setSeriesStroke(
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164 idx,
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165 new BasicStroke(size,
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166 BasicStroke.CAP_BUTT,
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167 BasicStroke.JOIN_ROUND,
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168 1.0f,
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169 dashes,
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170 0.0f));
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171 }
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172
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173
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174 protected void applyPointSize(XYLineAndShapeRenderer r, int idx) {
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175 int size = theme.parsePointWidth();
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176 int dim = 2 * size;
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177
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178 r.setSeriesShape(idx, new Ellipse2D.Double(-size, -size, dim, dim));
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179 }
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180
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181
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182 protected void applyPointColor(XYLineAndShapeRenderer r, int idx) {
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183 Color c = theme.parsePointColor();
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184
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185 if (c != null) {
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186 r.setSeriesFillPaint(idx, c);
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187 r.setUseFillPaint(true);
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188 r.setDrawOutlines(false);
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189 }
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190 }
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191
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192
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193 /**
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194 * Sets form and visibility of points.
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195 */
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196 protected void applyShowPoints(XYLineAndShapeRenderer r, int idx) {
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197 boolean show = theme.parseShowPoints();
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198
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199 r.setSeriesShapesVisible(idx, show);
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200 r.setDrawOutlines(true);
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201 }
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202
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203
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204 protected void applyShowLine(XYLineAndShapeRenderer r, int idx) {
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205 boolean show = theme.parseShowLine();
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206 r.setSeriesLinesVisible(idx, show);
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207 }
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208
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209
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210 protected void applyShowMinimum(XYLineAndShapeRenderer r, int idx) {
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211 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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212 return;
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213 }
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214
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215 boolean visible = theme.parseShowMinimum();
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216
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217 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
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218 er.setIsMinimumShapeVisisble(idx, visible);
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219 }
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220
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221
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222 protected void applyShowMaximum(XYLineAndShapeRenderer r, int idx) {
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223 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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224 return;
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225 }
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226
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227 boolean visible = theme.parseShowMaximum();
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228
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229 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
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230 er.setIsMaximumShapeVisible(idx, visible);
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231 }
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232
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233
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234 @Override
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235 public XYLineAndShapeRenderer getRenderer() {
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236 return this.renderer;
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237 }
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238 }
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239 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org