Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/jfree/ShapeRenderer.java @ 5862:36404dc7fea0
Removed old copyright headers.
author | Sascha L. Teichmann <teichmann@intevation.de> |
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date | Sun, 28 Apr 2013 14:38:44 +0200 |
parents | 5aa05a7a34b7 |
children | 4897a58c8746 |
rev | line source |
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Repaired internal references
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1 package org.dive4elements.river.jfree; |
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2 |
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3 import java.awt.Font; |
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4 import java.awt.Graphics2D; |
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5 import java.awt.Paint; |
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6 import java.awt.Shape; |
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7 |
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8 import java.awt.geom.Point2D; |
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9 import java.awt.geom.Rectangle2D; |
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10 |
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11 import java.util.ArrayList; |
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12 import java.util.List; |
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13 import java.util.Map; |
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14 |
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15 import org.jfree.chart.axis.ValueAxis; |
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16 |
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17 import org.jfree.chart.labels.ItemLabelPosition; |
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18 import org.jfree.chart.labels.XYItemLabelGenerator; |
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19 |
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20 import org.jfree.chart.plot.CrosshairState; |
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21 import org.jfree.chart.plot.PlotOrientation; |
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22 import org.jfree.chart.plot.PlotRenderingInfo; |
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23 import org.jfree.chart.plot.XYPlot; |
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24 |
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25 import org.jfree.chart.renderer.xy.StandardXYItemRenderer; |
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26 import org.jfree.chart.renderer.xy.XYItemRendererState; |
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27 |
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28 import org.jfree.data.xy.XYDataset; |
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29 |
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30 import org.jfree.text.TextUtilities; |
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31 |
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32 import org.jfree.ui.RectangleEdge; |
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33 |
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34 public class ShapeRenderer |
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35 extends StandardXYItemRenderer { |
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36 |
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37 public static class Entry { |
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38 protected Shape shape; |
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39 protected Shape frame; |
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40 protected Paint paint; |
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41 protected boolean filled; |
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42 |
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43 public Entry( |
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44 Shape shape, |
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45 Paint paint, |
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46 boolean filled |
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47 ) { |
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48 this.shape = shape; |
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49 this.paint = paint; |
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50 this.filled = filled; |
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51 } |
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52 |
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53 public Entry( |
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54 Shape shape, |
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55 Shape frame, |
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56 Paint paint, |
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57 boolean filled |
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58 ) { |
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59 this.shape = shape; |
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60 this.frame = frame; |
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61 this.paint = paint; |
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62 this.filled = filled; |
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63 } |
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64 |
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65 public Shape getShape() { |
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66 return shape; |
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67 } |
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68 |
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69 public void setShape(Shape shape) { |
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70 this.shape = shape; |
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71 } |
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72 |
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73 |
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74 public Paint getPaint() { |
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75 return paint; |
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76 } |
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77 |
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78 public void setPaint(Paint paint) { |
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79 this.paint = paint; |
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80 } |
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81 |
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82 public boolean getFilled() { |
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83 return filled; |
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84 } |
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85 |
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86 public void setFilled(boolean filled) { |
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87 this.filled = filled; |
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88 } |
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89 |
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90 public boolean equals(Object other) { |
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91 Entry entry = (Entry)other; |
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92 return filled == entry.filled |
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93 && paint.equals(entry.paint) |
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94 && shape.equals(entry.shape); |
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95 } |
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96 |
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97 public int hashCode() { |
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98 return |
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99 shape.hashCode() ^ |
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100 paint.hashCode() ^ |
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101 (filled ? 1231 : 1237); |
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102 } |
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103 } // class Entry |
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104 |
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105 public interface LabelGenerator { |
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106 String createLabel(Entry entry); |
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107 } // interface EntryLabelGenerator |
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108 |
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109 protected Entry [] entries; |
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110 |
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111 protected List<Rectangle2D> labelBoundingBoxes; |
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112 |
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113 protected Rectangle2D area; |
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114 |
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115 public ShapeRenderer() { |
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116 this(SHAPES); |
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117 } |
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118 |
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119 public ShapeRenderer(int type) { |
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120 super(type); |
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121 } |
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122 |
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123 public ShapeRenderer(Map<Entry, Integer> map) { |
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124 super(SHAPES); |
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125 setEntries(map); |
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126 } |
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127 |
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128 public void setEntries(Entry [] entries) { |
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129 this.entries = entries; |
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130 } |
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131 |
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132 public void setEntries(Map<Entry, Integer> map) { |
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133 Entry [] entries = new Entry[map.size()]; |
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134 |
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135 for (Map.Entry<Entry, Integer> entry: map.entrySet()) { |
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136 entries[entry.getValue()] = entry.getKey(); |
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137 } |
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138 |
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139 setEntries(entries); |
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140 } |
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141 |
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142 @Override |
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143 public Shape getSeriesShape(int series) { |
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144 return entries[series].shape; |
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145 } |
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146 |
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147 public Shape getSeriesFrame(int series) { |
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148 return entries[series].frame; |
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149 } |
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150 |
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151 @Override |
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152 public Paint getSeriesPaint(int series) { |
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153 return entries[series].paint; |
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154 } |
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155 |
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156 @Override |
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157 public boolean getItemShapeFilled(int series, int item) { |
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158 return entries[series].filled; |
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159 } |
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160 |
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161 @Override |
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162 public XYItemRendererState initialise( |
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163 Graphics2D g2, |
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164 Rectangle2D dataArea, |
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165 XYPlot plot, |
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166 XYDataset data, |
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167 PlotRenderingInfo info |
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168 ) { |
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169 if (labelBoundingBoxes == null) { |
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170 labelBoundingBoxes = new ArrayList<Rectangle2D>(32); |
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171 } |
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172 else { |
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173 labelBoundingBoxes.clear(); |
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174 } |
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175 |
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176 area = dataArea; |
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177 |
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178 return super.initialise(g2, dataArea, plot, data, info); |
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179 } |
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180 |
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181 @Override |
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182 public void drawItem( |
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183 Graphics2D g2, |
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184 XYItemRendererState state, |
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185 Rectangle2D dataArea, |
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186 PlotRenderingInfo info, |
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187 XYPlot plot, |
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188 ValueAxis domainAxis, |
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189 ValueAxis rangeAxis, |
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190 XYDataset dataset, |
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191 int series, |
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192 int item, |
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193 CrosshairState crosshairState, |
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194 int pass |
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195 ) { |
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196 if (!getItemVisible(series, item)) { |
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197 return; |
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198 } |
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199 |
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200 // get the data point... |
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201 double x1 = dataset.getXValue(series, item); |
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202 double y1 = dataset.getYValue(series, item); |
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203 if (Double.isNaN(x1) || Double.isNaN(y1)) { |
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204 return; |
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205 } |
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206 |
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207 RectangleEdge xAxisLocation = plot.getDomainAxisEdge(); |
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208 RectangleEdge yAxisLocation = plot.getRangeAxisEdge(); |
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209 double x = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation); |
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210 double y = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation); |
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211 |
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212 if (dataArea.contains(x, y)) |
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213 super.drawItem( |
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214 g2, |
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215 state, |
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216 dataArea, |
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217 info, |
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218 plot, |
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219 domainAxis, |
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220 rangeAxis, |
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221 dataset, |
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222 series, |
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223 item, |
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224 crosshairState, |
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225 pass); |
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226 } |
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227 |
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228 protected Point2D shiftBox(Rectangle2D box) { |
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229 |
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230 double cx1 = area.getX(); |
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231 double cy1 = area.getY(); |
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232 double cx2 = cx1 + area.getWidth(); |
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233 double cy2 = cy1 + area.getHeight(); |
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234 |
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235 double bx1 = box.getX(); |
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236 double by1 = box.getY(); |
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237 double bx2 = bx1 + box.getWidth(); |
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238 double by2 = by1 + box.getHeight(); |
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239 |
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240 double dx; |
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241 double dy; |
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242 |
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243 if (bx1 < cx1) { |
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244 dx = cx1 - bx1; |
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245 } |
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246 else if (bx2 > cx2) { |
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247 dx = cx2 - bx2; |
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248 } |
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249 else { |
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250 dx = 0d; |
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251 } |
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252 |
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253 if (by1 < cy1) { |
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254 dy = cy1 - by1; |
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255 } |
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256 else if (by2 > cy2) { |
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257 dy = cy2 - by2; |
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258 } |
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259 else { |
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260 dy = 0d; |
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261 } |
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262 |
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263 return new Point2D.Double(dx, dy); |
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264 } |
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265 |
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266 @Override |
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267 protected void drawItemLabel( |
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268 Graphics2D g2, |
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269 PlotOrientation orientation, |
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270 XYDataset dataset, |
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271 int series, |
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272 int item, |
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273 double x, |
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274 double y, |
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275 boolean negative |
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276 ) { |
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277 XYItemLabelGenerator generator = getItemLabelGenerator(series, item); |
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278 if (generator == null) { |
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279 return; |
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280 } |
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281 |
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282 Font labelFont = getItemLabelFont(series, item); |
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283 |
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284 Paint paint = getItemLabelPaint(series, item); |
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285 |
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286 g2.setFont(labelFont); |
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287 g2.setPaint(paint); |
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288 |
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289 String label = generator.generateLabel(dataset, series, item); |
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290 |
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291 ATTEMPS: for (int attempt = 0; attempt < 2; ++attempt) { |
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292 // get the label position.. |
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293 ItemLabelPosition position = null; |
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294 |
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295 boolean pos; |
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296 switch (attempt) { |
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297 case 0: pos = negative; break; |
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298 case 1: pos = !negative; break; |
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299 default: break ATTEMPS; |
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300 } |
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301 |
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302 if (pos) { |
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303 position = getNegativeItemLabelPosition(series, item); |
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304 } |
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305 else { |
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306 position = getPositiveItemLabelPosition(series, item); |
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307 } |
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308 |
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309 // work out the label anchor point... |
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310 Point2D anchorPoint = calculateLabelAnchorPoint( |
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311 position.getItemLabelAnchor(), x, y, orientation); |
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312 |
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313 Shape labelShape = TextUtilities.calculateRotatedStringBounds( |
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314 label, g2, |
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315 (float)anchorPoint.getX(), (float)anchorPoint.getY(), |
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316 position.getTextAnchor(), position.getAngle(), |
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317 position.getRotationAnchor()); |
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318 |
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319 Rectangle2D bbox = labelShape.getBounds2D(); |
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320 |
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321 Point2D shift = shiftBox(bbox); |
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322 |
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323 bbox = new Rectangle2D.Double( |
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324 bbox.getX() + shift.getX(), |
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325 bbox.getY() + shift.getY(), |
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326 bbox.getWidth(), |
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327 bbox.getHeight()); |
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328 |
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329 if (labelBoundingBoxes != null) { |
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330 for (Rectangle2D old: labelBoundingBoxes) { |
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331 if (old.intersects(bbox)) { |
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332 continue ATTEMPS; |
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333 } |
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334 } |
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335 labelBoundingBoxes.add(bbox); |
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336 } |
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337 |
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338 TextUtilities.drawRotatedString( |
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339 label, g2, |
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340 (float)(anchorPoint.getX() + shift.getX()), |
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341 (float)(anchorPoint.getY() + shift.getY()), |
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342 position.getTextAnchor(), position.getAngle(), |
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343 position.getRotationAnchor()); |
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344 break; |
6d0567a8387d
Label more points in FixingsKMChartService
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3162
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345 } |
3162
0d8146989012
Added labeling for Q/W points FixingsKMChartService.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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346 } |
0d8146989012
Added labeling for Q/W points FixingsKMChartService.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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347 } |
0d8146989012
Added labeling for Q/W points FixingsKMChartService.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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348 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |