Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/jfree/StyledAreaSeriesCollection.java @ 5863:4897a58c8746

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River artifacts: Added new copyright headers.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 28 Apr 2013 14:40:59 +0200
parents 5aa05a7a34b7
children af13ceeba52a
rev   line source
5863
4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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Sascha L. Teichmann <teichmann@intevation.de>
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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 java.awt.BasicStroke;
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12 import java.awt.Color;
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13 import java.awt.Stroke;
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14
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15 import org.jfree.data.xy.XYSeriesCollection;
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16 import org.w3c.dom.Document;
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17
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18 import org.dive4elements.river.themes.ThemeAccess;
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19 import org.dive4elements.river.utils.ThemeUtil;
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20
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21
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22 /**
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23 * One or more dataseries to draw a polygon (either "open up/downwards", or
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24 * the area between two curves), a theme-document and further display options.
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25 * The theme-document will later "style" the graphical representation.
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26 * The display options can be used to control the z-order and the axis of the
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27 * dataset.
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28 */
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29 public class StyledAreaSeriesCollection extends XYSeriesCollection {
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30 private static final long serialVersionUID = 5274940965666948237L;
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31
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32 /** Mode, how to draw/which areas to fill. */
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33 public enum FILL_MODE {UNDER, ABOVE, BETWEEN};
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34
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35 /** MODE in use. */
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36 protected FILL_MODE mode;
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37
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38 /** The theme-document with attributes about actual visual representation. */
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39 protected Document theme;
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40
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41
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42 /**
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43 * @param theme the theme-document.
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44 */
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45 public StyledAreaSeriesCollection(Document theme) {
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46 this.theme = theme;
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47 this.mode = FILL_MODE.BETWEEN;
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48 }
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49
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50
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51 /** Gets the Fill mode. */
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52 public FILL_MODE getMode() {
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53 return this.mode;
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54 }
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55
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56
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57 /** Sets the Fill mode. */
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58 public void setMode(FILL_MODE fMode) {
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59 this.mode = fMode;
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60 }
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61
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62
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63 /**
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64 * Applies line color, size and type attributes to renderer, also
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65 * whether to draw lines and/or points.
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66 * @param renderer Renderer to apply theme to.
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67 * @return \param renderer
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68 */
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69 public StableXYDifferenceRenderer applyTheme(
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70 StableXYDifferenceRenderer renderer
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71 ) {
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72 applyFillColor(renderer);
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73 applyShowShape(renderer);
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74 applyOutlineColor(renderer);
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75 applyOutlineStyle(renderer);
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76 applyShowArea(renderer);
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77 if (mode == FILL_MODE.UNDER) {
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78 renderer.setAreaCalculationMode(StableXYDifferenceRenderer.CALCULATE_NEGATIVE_AREA);
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79 }
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80 else if (mode == FILL_MODE.ABOVE) {
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81 renderer.setAreaCalculationMode(StableXYDifferenceRenderer.CALCULATE_POSITIVE_AREA);
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82 }
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83 else {
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84 renderer.setAreaCalculationMode(StableXYDifferenceRenderer.CALCULATE_ALL_AREA);
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85 }
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86
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87 // Apply text style.
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88 new ThemeAccess(theme).parseTextStyle().apply(renderer);
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89 return renderer;
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90 }
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91
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92
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93 protected void applyFillColor(StableXYDifferenceRenderer renderer) {
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94 Color paint = ThemeUtil.parseColor(
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95 ThemeUtil.getAreaBackgroundColorString(theme));
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96
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97 int transparency = ThemeUtil.parseAreaTransparency(theme);
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98 if (transparency > 0 && paint != null) {
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99 paint = new Color(
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100 paint.getRed(),
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101 paint.getGreen(),
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102 paint.getBlue(),
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103 (int)((100 - transparency) * 2.55f));
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104 }
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105
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106 if (paint != null && this.getMode() == FILL_MODE.ABOVE) {
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107 renderer.setPositivePaint(paint);
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108 renderer.setNegativePaint(new Color(0,0,0,0));
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109 }
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110 else if (paint != null && this.getMode() == FILL_MODE.UNDER) {
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111 renderer.setNegativePaint(paint);
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112 renderer.setPositivePaint(new Color(0,0,0,0));
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113 }
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114 else {
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115 if (paint == null)
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116 paint = new Color(177, 117, 102);
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117 renderer.setPositivePaint(paint);
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118 renderer.setNegativePaint(paint);
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119 }
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120 }
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121
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122
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123 protected void applyShowShape(StableXYDifferenceRenderer renderer) {
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124 boolean show = ThemeUtil.parseAreaShowBorder(theme);
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125 renderer.setDrawOutline(show);
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126 }
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127
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128
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129 protected void applyShowLine(StableXYDifferenceRenderer renderer) {
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130 boolean show = ThemeUtil.parseShowLine(theme);
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131 renderer.setShapesVisible(show);
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132 }
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133
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134
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135 protected void applyOutlineColor(StableXYDifferenceRenderer renderer) {
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136 Color c = ThemeUtil.parseLineColorField(theme);
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137 renderer.setOutlinePaint(c);
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138 }
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139
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140 protected void applyOutlineWidth(StableXYDifferenceRenderer renderer) {
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141 int size = ThemeUtil.parseLineWidth(theme);
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142 }
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143
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144 /** Inform renderer whether it should draw a label. */
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145 protected void applyShowArea(StableXYDifferenceRenderer renderer) {
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146 renderer.setLabelArea(ThemeUtil.parseShowArea(theme));
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147 }
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148
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149 protected void applyOutlineStyle(StableXYDifferenceRenderer renderer) {
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150 float[] dashes = ThemeUtil.parseLineStyle(theme);
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151 int size = ThemeUtil.parseLineWidth(theme);
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152
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153 Stroke stroke = null;
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154
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155 if (dashes.length <= 1) {
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156 stroke = new BasicStroke(Integer.valueOf(size));
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157 }
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158 else {
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159 stroke = new BasicStroke(Integer.valueOf(size),
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160 BasicStroke.CAP_BUTT,
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161 BasicStroke.JOIN_ROUND,
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162 1.0f,
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163 dashes,
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164 0.0f);
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165 }
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166
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167 renderer.setOutlineStroke(stroke);
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168 }
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169 }
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170 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org