Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/ShapeRenderer.java @ 4205:0dd8963cec9c

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Set also the width of the GaugeTree when resizing the GaugePanel GWT is no longer able to calculate and set the correct width of the GaugeTree since the GaugeTree is added via a Canvas wrapper. Therefore set the width manually when resizing the GaugeTree.
author Björn Ricks <bjoern.ricks@intevation.de>
date Mon, 22 Oct 2012 15:33:16 +0200
parents 0cf647fe2a96
children
rev   line source
3162
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1 package de.intevation.flys.jfree;
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2
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3 /**
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4 * Copyright (c) 2006, 2012 by Intevation GmbH
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5 *
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6 * @author Sascha L. Teichmann (teichmann@intevation.de)
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7 *
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8 * This program is free software under the LGPL (&gt;=v2.1)
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9 * Read the file LGPL coming with FLYS for details.
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10 */
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11
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12 import java.awt.Font;
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13 import java.awt.Graphics2D;
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14 import java.awt.Paint;
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15 import java.awt.Shape;
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16
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17 import java.awt.geom.Point2D;
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18 import java.awt.geom.Rectangle2D;
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19
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20 import java.util.ArrayList;
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21 import java.util.List;
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22 import java.util.Map;
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23
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24 import org.jfree.chart.axis.ValueAxis;
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25
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26 import org.jfree.chart.labels.ItemLabelPosition;
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27 import org.jfree.chart.labels.XYItemLabelGenerator;
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28
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29 import org.jfree.chart.plot.CrosshairState;
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30 import org.jfree.chart.plot.PlotOrientation;
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31 import org.jfree.chart.plot.PlotRenderingInfo;
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32 import org.jfree.chart.plot.XYPlot;
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33
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34 import org.jfree.chart.renderer.xy.StandardXYItemRenderer;
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35 import org.jfree.chart.renderer.xy.XYItemRendererState;
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36
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37 import org.jfree.data.xy.XYDataset;
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38
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39 import org.jfree.text.TextUtilities;
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40
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41 import org.jfree.ui.RectangleEdge;
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42
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43 public class ShapeRenderer
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44 extends StandardXYItemRenderer {
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45
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46 public static class Entry {
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47 protected Shape shape;
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48 protected Shape frame;
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49 protected Paint paint;
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50 protected boolean filled;
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51
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52 public Entry(
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53 Shape shape,
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54 Paint paint,
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55 boolean filled
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56 ) {
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57 this.shape = shape;
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58 this.paint = paint;
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59 this.filled = filled;
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60 }
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61
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62 public Entry(
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63 Shape shape,
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64 Shape frame,
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65 Paint paint,
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66 boolean filled
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67 ) {
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68 this.shape = shape;
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69 this.frame = frame;
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70 this.paint = paint;
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71 this.filled = filled;
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72 }
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73
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74 public Shape getShape() {
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75 return shape;
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76 }
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77
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78 public void setShape(Shape shape) {
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79 this.shape = shape;
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80 }
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81
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82
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83 public Paint getPaint() {
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84 return paint;
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85 }
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86
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87 public void setPaint(Paint paint) {
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88 this.paint = paint;
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89 }
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90
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91 public boolean getFilled() {
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92 return filled;
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93 }
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94
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95 public void setFilled(boolean filled) {
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96 this.filled = filled;
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97 }
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98
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99 public boolean equals(Object other) {
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100 Entry entry = (Entry)other;
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101 return filled == entry.filled
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102 && paint.equals(entry.paint)
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103 && shape.equals(entry.shape);
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104 }
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105
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106 public int hashCode() {
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107 return
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108 shape.hashCode() ^
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109 paint.hashCode() ^
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110 (filled ? 1231 : 1237);
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111 }
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112 } // class Entry
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113
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114 public interface LabelGenerator {
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115 String createLabel(Entry entry);
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116 } // interface EntryLabelGenerator
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117
3162
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118 protected Entry [] entries;
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119
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120 protected List<Rectangle2D> labelBoundingBoxes;
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121
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122 protected Rectangle2D area;
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123
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124 public ShapeRenderer() {
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125 this(SHAPES);
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126 }
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127
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128 public ShapeRenderer(int type) {
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129 super(type);
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130 }
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131
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132 public ShapeRenderer(Map<Entry, Integer> map) {
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133 super(SHAPES);
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134 setEntries(map);
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135 }
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136
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137 public void setEntries(Entry [] entries) {
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138 this.entries = entries;
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139 }
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140
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141 public void setEntries(Map<Entry, Integer> map) {
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142 Entry [] entries = new Entry[map.size()];
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143
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144 for (Map.Entry<Entry, Integer> entry: map.entrySet()) {
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145 entries[entry.getValue()] = entry.getKey();
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146 }
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147
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148 setEntries(entries);
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149 }
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150
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151 @Override
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152 public Shape getSeriesShape(int series) {
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153 return entries[series].shape;
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154 }
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155
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156 public Shape getSeriesFrame(int series) {
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157 return entries[series].frame;
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158 }
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159
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160 @Override
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161 public Paint getSeriesPaint(int series) {
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162 return entries[series].paint;
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163 }
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164
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165 @Override
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166 public boolean getItemShapeFilled(int series, int item) {
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167 return entries[series].filled;
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168 }
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169
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170 @Override
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171 public XYItemRendererState initialise(
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172 Graphics2D g2,
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173 Rectangle2D dataArea,
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174 XYPlot plot,
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175 XYDataset data,
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176 PlotRenderingInfo info
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177 ) {
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178 if (labelBoundingBoxes == null) {
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179 labelBoundingBoxes = new ArrayList<Rectangle2D>(32);
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180 }
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181 else {
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182 labelBoundingBoxes.clear();
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183 }
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184
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185 area = dataArea;
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186
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187 return super.initialise(g2, dataArea, plot, data, info);
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188 }
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189
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190 @Override
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191 public void drawItem(
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192 Graphics2D g2,
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193 XYItemRendererState state,
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194 Rectangle2D dataArea,
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195 PlotRenderingInfo info,
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196 XYPlot plot,
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197 ValueAxis domainAxis,
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198 ValueAxis rangeAxis,
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199 XYDataset dataset,
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200 int series,
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201 int item,
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202 CrosshairState crosshairState,
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203 int pass
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204 ) {
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205 if (!getItemVisible(series, item)) {
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206 return;
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207 }
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208
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209 // get the data point...
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210 double x1 = dataset.getXValue(series, item);
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211 double y1 = dataset.getYValue(series, item);
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212 if (Double.isNaN(x1) || Double.isNaN(y1)) {
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213 return;
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214 }
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215
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216 RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
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217 RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
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218 double x = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
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219 double y = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);
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220
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221 if (dataArea.contains(x, y))
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222 super.drawItem(
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223 g2,
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224 state,
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diff changeset
225 dataArea,
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diff changeset
226 info,
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diff changeset
227 plot,
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228 domainAxis,
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diff changeset
229 rangeAxis,
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diff changeset
230 dataset,
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diff changeset
231 series,
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diff changeset
232 item,
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233 crosshairState,
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234 pass);
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235 }
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236
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237 protected Point2D shiftBox(Rectangle2D box) {
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238
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239 double cx1 = area.getX();
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240 double cy1 = area.getY();
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241 double cx2 = cx1 + area.getWidth();
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diff changeset
242 double cy2 = cy1 + area.getHeight();
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243
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244 double bx1 = box.getX();
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245 double by1 = box.getY();
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246 double bx2 = bx1 + box.getWidth();
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247 double by2 = by1 + box.getHeight();
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248
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249 double dx;
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diff changeset
250 double dy;
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251
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252 if (bx1 < cx1) {
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253 dx = cx1 - bx1;
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254 }
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255 else if (bx2 > cx2) {
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256 dx = cx2 - bx2;
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diff changeset
257 }
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258 else {
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259 dx = 0d;
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260 }
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261
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262 if (by1 < cy1) {
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263 dy = cy1 - by1;
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264 }
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265 else if (by2 > cy2) {
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266 dy = cy2 - by2;
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267 }
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268 else {
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269 dy = 0d;
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270 }
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271
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272 return new Point2D.Double(dx, dy);
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273 }
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274
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275 @Override
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276 protected void drawItemLabel(
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277 Graphics2D g2,
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278 PlotOrientation orientation,
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279 XYDataset dataset,
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280 int series,
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281 int item,
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282 double x,
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283 double y,
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284 boolean negative
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285 ) {
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286 XYItemLabelGenerator generator = getItemLabelGenerator(series, item);
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287 if (generator == null) {
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288 return;
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289 }
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290
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291 Font labelFont = getItemLabelFont(series, item);
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292
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293 Paint paint = getItemLabelPaint(series, item);
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294
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295 g2.setFont(labelFont);
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296 g2.setPaint(paint);
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297
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298 String label = generator.generateLabel(dataset, series, item);
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299
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300 ATTEMPS: for (int attempt = 0; attempt < 2; ++attempt) {
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301 // get the label position..
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302 ItemLabelPosition position = null;
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303
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304 boolean pos;
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305 switch (attempt) {
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306 case 0: pos = negative; break;
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307 case 1: pos = !negative; break;
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308 default: break ATTEMPS;
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309 }
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310
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311 if (pos) {
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312 position = getNegativeItemLabelPosition(series, item);
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313 }
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314 else {
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315 position = getPositiveItemLabelPosition(series, item);
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316 }
3162
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317
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318 // work out the label anchor point...
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319 Point2D anchorPoint = calculateLabelAnchorPoint(
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320 position.getItemLabelAnchor(), x, y, orientation);
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321
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322 Shape labelShape = TextUtilities.calculateRotatedStringBounds(
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323 label, g2,
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324 (float)anchorPoint.getX(), (float)anchorPoint.getY(),
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325 position.getTextAnchor(), position.getAngle(),
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326 position.getRotationAnchor());
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327
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328 Rectangle2D bbox = labelShape.getBounds2D();
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329
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330 Point2D shift = shiftBox(bbox);
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331
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332 bbox = new Rectangle2D.Double(
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333 bbox.getX() + shift.getX(),
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334 bbox.getY() + shift.getY(),
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335 bbox.getWidth(),
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336 bbox.getHeight());
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337
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338 if (labelBoundingBoxes != null) {
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339 for (Rectangle2D old: labelBoundingBoxes) {
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340 if (old.intersects(bbox)) {
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341 continue ATTEMPS;
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342 }
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343 }
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344 labelBoundingBoxes.add(bbox);
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345 }
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346
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347 TextUtilities.drawRotatedString(
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348 label, g2,
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349 (float)(anchorPoint.getX() + shift.getX()),
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350 (float)(anchorPoint.getY() + shift.getY()),
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351 position.getTextAnchor(), position.getAngle(),
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352 position.getRotationAnchor());
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353 break;
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354 }
3162
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355 }
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356 }
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357 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org