Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/jfree/ShapeRenderer.java @ 5862:36404dc7fea0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Removed old copyright headers.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 28 Apr 2013 14:38:44 +0200
parents 5aa05a7a34b7
children 4897a58c8746
rev   line source
5831
bd047b71ab37 Repaired internal references
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3173
diff changeset
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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15 import org.jfree.chart.axis.ValueAxis;
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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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25 import org.jfree.chart.renderer.xy.StandardXYItemRenderer;
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26 import org.jfree.chart.renderer.xy.XYItemRendererState;
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28 import org.jfree.data.xy.XYDataset;
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30 import org.jfree.text.TextUtilities;
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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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diff changeset
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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diff changeset
186 PlotRenderingInfo info,
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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187 XYPlot plot,
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188 ValueAxis domainAxis,
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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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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diff changeset
205 }
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parents:
diff changeset
206
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diff changeset
207 RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
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208 RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
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diff changeset
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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diff changeset
212 if (dataArea.contains(x, y))
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diff changeset
213 super.drawItem(
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parents:
diff changeset
214 g2,
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parents:
diff changeset
215 state,
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diff changeset
216 dataArea,
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
217 info,
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
218 plot,
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
219 domainAxis,
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
220 rangeAxis,
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
221 dataset,
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
222 series,
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
223 item,
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
224 crosshairState,
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
225 pass);
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parents:
diff changeset
226 }
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227
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diff changeset
228 protected Point2D shiftBox(Rectangle2D box) {
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229
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230 double cx1 = area.getX();
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diff changeset
231 double cy1 = area.getY();
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diff changeset
232 double cx2 = cx1 + area.getWidth();
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diff changeset
233 double cy2 = cy1 + area.getHeight();
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diff changeset
234
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diff changeset
235 double bx1 = box.getX();
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diff changeset
236 double by1 = box.getY();
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diff changeset
237 double bx2 = bx1 + box.getWidth();
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diff changeset
238 double by2 = by1 + box.getHeight();
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239
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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diff changeset
240 double dx;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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diff changeset
241 double dy;
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242
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diff changeset
243 if (bx1 < cx1) {
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244 dx = cx1 - bx1;
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diff changeset
245 }
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parents:
diff changeset
246 else if (bx2 > cx2) {
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diff changeset
247 dx = cx2 - bx2;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
248 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
249 else {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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diff changeset
250 dx = 0d;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
251 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
252
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parents:
diff changeset
253 if (by1 < cy1) {
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diff changeset
254 dy = cy1 - by1;
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parents:
diff changeset
255 }
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parents:
diff changeset
256 else if (by2 > cy2) {
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diff changeset
257 dy = cy2 - by2;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
258 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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259 else {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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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;
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345 }
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346 }
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347 }
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348 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org