Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/jfree/XYStyle.java @ 8910:d9c89651bd67

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Area chart layers may now have an 'arebgpattern'. Real pattern yet to be defined.
author gernotbelger
date Thu, 22 Feb 2018 18:46:37 +0100
parents 5e38e2924c07
children 094ed9d1f2ad 0a5239a1e46e
rev   line source
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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 org.dive4elements.river.themes.ThemeDocument;
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12
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13 import java.awt.BasicStroke;
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14 import java.awt.Color;
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15 import java.awt.Shape;
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16 import java.awt.geom.Ellipse2D;
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17
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18 import org.apache.log4j.Logger;
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19 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
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20
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21
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22 /**
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23 * Utility to apply theme-settings to a renderer.
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24 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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25 */
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26 public class XYStyle implements Style {
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27
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28 private static Logger log = Logger.getLogger(XYStyle.class);
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29
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30 protected ThemeDocument theme;
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31
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32 protected XYLineAndShapeRenderer renderer;
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33
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34 protected Shape shape;
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35
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36
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37 public XYStyle(ThemeDocument theme) {
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38 this.theme = theme;
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39 }
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40
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41 public XYStyle(ThemeDocument theme, Shape shape) {
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42 this.theme = theme;
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43 this.shape = shape;
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44 }
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45
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46
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47 /**
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48 * Applies line color, size and type attributes to renderer, also
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49 * whether to draw lines and/or points.
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50 */
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51 @Override
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52 public XYLineAndShapeRenderer applyTheme(
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53 XYLineAndShapeRenderer r,
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54 int idx
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55 ) {
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56 this.renderer = r;
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57 if (shape != null) {
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58 r.setShape(shape);
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59 }
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60 if (theme == null) {
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61 // Hurray we already applied nothing :)
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62 return r;
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63 }
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64 applyUseFillPaint(r);
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65 applyLineColor(r, idx);
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66 applyLineSize(r, idx);
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67 applyLineType(r, idx);
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68 applyShowLine(r, idx);
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69 applyShowPoints(r, idx);
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70 applyPointSize(r, idx);
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71 applyPointColor(r, idx);
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72 applyShowMinimum(r, idx);
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73 applyShowMaximum(r, idx);
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74
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75 // Line label styles
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76 applyShowLineLabel(r, idx);
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77 applyShowLineLabelBG(r, idx);
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78 applyLineLabelFont(r, idx);
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79 applyLineLabelColor(r, idx);
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80 applyLineLabelBGColor(r, idx);
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81
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82 // Point label styles
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83 // TODO: Currently point label are annotations and
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84 // are not drawn this way
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85 /*
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86 applyShowPointLabelBG(r, idx);
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87 applyLinePointFont(r, idx);
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88 applyLinePointColor(r, idx);
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89 applyLinePointBGColor(r, idx);*/
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90
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91 return r;
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92 }
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93
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94 protected void applyUseFillPaint(XYLineAndShapeRenderer r) {
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95 Boolean use = theme.parseUseFillPaint();
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96 if (use != null) {
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97 r.setUseFillPaint(use);
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98 }
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99 }
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100
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101
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102 /** Set line color to renderer. */
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103 protected void applyLineColor(XYLineAndShapeRenderer r, int idx) {
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104 Color c = theme.parseLineColorField();
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105 if (c != null) {
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106 r.setSeriesPaint(idx, c);
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107 }
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108 }
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109
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110
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111 /** Tells the renderer whether or not to add a label to a line. */
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112 protected void applyShowLineLabel(XYLineAndShapeRenderer r, int idx) {
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113 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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114 return;
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115 }
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116 boolean showLabelLine = theme.parseShowLineLabel();
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117 boolean anyLabel = showLabelLine || theme.parseShowWidth() ||
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118 theme.parseShowLevel() ||
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119 theme.parseShowMiddleHeight();
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120 ((EnhancedLineAndShapeRenderer)r).setShowLineLabel(anyLabel, idx);
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121 }
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122
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123
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124 /** Tells the renderer whether or not to fill the bg of a lines label. */
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125 protected void applyShowLineLabelBG(XYLineAndShapeRenderer r, int idx) {
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126 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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127 return;
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128 }
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129 boolean showLabelLine = theme.parseLabelShowBackground();
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130 ((EnhancedLineAndShapeRenderer)r).setShowLineLabelBG(
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131 idx, showLabelLine);
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132 }
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133
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134 /** Tell the renderer which font (and -size and -style) to use for
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135 * linelabels. */
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136 protected void applyLineLabelFont(XYLineAndShapeRenderer r, int idx) {
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137 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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138 return;
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139 }
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140 ((EnhancedLineAndShapeRenderer)r).setLineLabelFont(
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141 theme.parseTextFont(), idx);
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142 }
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143
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144 /** Tell the renderer which color to use for
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145 * linelabels. */
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146 protected void applyLineLabelColor(XYLineAndShapeRenderer r, int idx) {
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147 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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148 return;
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149 }
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150 ((EnhancedLineAndShapeRenderer)r).setLineLabelTextColor(
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151 idx, theme.parseTextColor());
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152 }
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153
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154 /** Tell the renderer which color to use for bg of
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155 * linelabels. */
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156 protected void applyLineLabelBGColor(XYLineAndShapeRenderer r, int idx) {
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157 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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158 return;
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159 }
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160 ((EnhancedLineAndShapeRenderer)r).setLineLabelBGColor(idx,
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161 theme.parseTextBackground());
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162 }
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163
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164 /** Set stroke of series. */
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165 protected void applyLineSize(XYLineAndShapeRenderer r, int idx) {
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166 int size = theme.parseLineWidth();
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167 r.setSeriesStroke(
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168 idx,
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169 new BasicStroke(size));
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170 }
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171
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172
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173 /** Set stroke strength of series. */
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174 protected void applyLineType(XYLineAndShapeRenderer r, int idx) {
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175 int size = theme.parseLineWidth();
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176 float[] dashes = theme.parseLineStyle();
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177
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178 // Do not apply the dashed style.
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179 if (dashes.length <= 1) {
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180 return;
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181 }
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182
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183 r.setSeriesStroke(
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184 idx,
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185 new BasicStroke(size,
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186 BasicStroke.CAP_BUTT,
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187 BasicStroke.JOIN_ROUND,
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188 1.0f,
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189 dashes,
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190 0.0f));
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191 }
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192
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193
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194 protected void applyPointSize(XYLineAndShapeRenderer r, int idx) {
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195 int size = theme.parsePointWidth();
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196 int dim = 2 * size;
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197
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198 r.setSeriesShape(idx, new Ellipse2D.Double(-size, -size, dim, dim));
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199 }
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200
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201
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202 protected void applyPointColor(XYLineAndShapeRenderer r, int idx) {
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203 Color c = theme.parsePointColor();
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204
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205 if (c != null) {
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206 r.setSeriesFillPaint(idx, c);
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207 r.setUseFillPaint(true);
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208 r.setDrawOutlines(false);
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209 }
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210 }
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211
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212
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213 /**
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214 * Sets form and visibility of points.
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215 */
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216 protected void applyShowPoints(XYLineAndShapeRenderer r, int idx) {
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217 boolean show = theme.parseShowPoints();
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218
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219 r.setSeriesShapesVisible(idx, show);
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220 r.setDrawOutlines(true);
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221 }
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222
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223
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224 protected void applyShowLine(XYLineAndShapeRenderer r, int idx) {
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225 boolean show = theme.parseShowLine();
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226 r.setSeriesLinesVisible(idx, show);
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227 }
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228
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229
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230 protected void applyShowMinimum(XYLineAndShapeRenderer r, int idx) {
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231 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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232 return;
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233 }
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234
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235 boolean visible = theme.parseShowMinimum();
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236
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237 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
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238 er.setIsMinimumShapeVisisble(idx, visible);
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239 }
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240
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241
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242 protected void applyShowMaximum(XYLineAndShapeRenderer r, int idx) {
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243 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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244 return;
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245 }
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246
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247 boolean visible = theme.parseShowMaximum();
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248
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249 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
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250 er.setIsMaximumShapeVisible(idx, visible);
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251 }
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252
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253
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254 @Override
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255 public XYLineAndShapeRenderer getRenderer() {
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256 return this.renderer;
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257 }
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258 }
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parents:
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259 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org