Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/ChartExportHelper.java @ 5862:36404dc7fea0

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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
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1 package org.dive4elements.river.exports;
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2
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3 import com.lowagie.text.Document;
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4 import com.lowagie.text.DocumentException;
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5 import com.lowagie.text.PageSize;
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6 import com.lowagie.text.Rectangle;
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7
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8 import com.lowagie.text.pdf.PdfContentByte;
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9 import com.lowagie.text.pdf.PdfTemplate;
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10 import com.lowagie.text.pdf.PdfWriter;
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11
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12 import java.awt.Graphics2D;
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13 import java.awt.Transparency;
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14
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15 import java.awt.geom.Rectangle2D.Double;
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16
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17 import java.awt.geom.Rectangle2D;
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18
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19 import java.io.IOException;
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20 import java.io.OutputStream;
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21 import java.io.OutputStreamWriter;
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22 import java.io.UnsupportedEncodingException;
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23 import org.jfree.chart.ChartRenderingInfo;
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24
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25 import javax.imageio.ImageIO;
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26
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27 import au.com.bytecode.opencsv.CSVWriter;
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29 import org.apache.batik.svggen.SVGGraphics2D;
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30 import org.apache.batik.svggen.SVGGraphics2DIOException;
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31
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32 import org.apache.log4j.Logger;
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33
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34 import org.jfree.chart.JFreeChart;
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35 import org.jfree.chart.plot.XYPlot;
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36 import org.jfree.data.xy.XYDataset;
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37
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38 import org.dive4elements.artifacts.CallContext;
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39
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40 import org.dive4elements.artifacts.common.utils.XMLUtils;
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43 /**
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44 * This class is a helper class which supports some methods to export charts
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45 * into specific formats.
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46 *
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47 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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48 */
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49 public class ChartExportHelper {
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50
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51 public static final String FORMAT_PNG = "png";
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52
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53 public static final String FORMAT_PDF = "pdf";
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54
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55 public static final String FORMAT_SVG = "svg";
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56
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57 public static final String FORMAT_CSV = "csv";
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58
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59 /**
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60 * Constant field to define A4 as default page size.
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61 */
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62 public static final String DEFAULT_PAGE_SIZE = "A4";
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63
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64 /**
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65 * Constant field to define UTF-8 as default encoding.
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66 */
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67 public static final String DEFAULT_ENCODING = "UTF-8";
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68
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69 /** The default separator for the CSV export. */
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70 public static final char DEFAULT_CSV_SEPARATOR = ',';
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71
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72
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73 /**
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74 * Logger used for logging with log4j.
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75 */
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76 private static Logger log = Logger.getLogger(ChartExportHelper.class);
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77
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78
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79 /**
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80 * A method to export a <code>JFreeChart</code> as image to an
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81 * <code>OutputStream</code> with a given format, width and height.
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82 *
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83 * @param out OutputStream
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84 * @param chart JFreeChart object to be exported.
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85 * @param cc context, in which e.g. size is stored.
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86 *
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87 * @throws IOException if writing image to OutputStream failed.
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88 */
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89 public static void exportImage(
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90 OutputStream out,
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91 JFreeChart chart,
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92 CallContext cc
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93 )
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94 throws IOException
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95 {
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96 log.info("export chart as png");
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97
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98 ChartRenderingInfo info = new ChartRenderingInfo();
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99
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100 String format = (String) cc.getContextValue("chart.image.format");
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101
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102 int[] size = getSize(cc);
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103
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104 ImageIO.write(
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105 chart.createBufferedImage(
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106 size[0], size[1], Transparency.BITMASK, info
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107 ),
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108 format,
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109 out
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110 );
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111 }
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112
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113
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114 /**
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115 * A method to export a <code>JFreeChart</code> as SVG to an
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116 * <code>OutputStream</code>.
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117 *
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118 * @param out OutputStream
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119 * @param chart JFreeChart to be exported
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120 * @param context The CallContext object that contains extra chart
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121 * parameters.
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122 */
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123 public static void exportSVG(
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124 OutputStream out,
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125 JFreeChart chart,
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126 CallContext context
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127 ) {
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128 String encoding = (String) context.getContextValue("chart.encoding");
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129
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130 log.info("export chart as svg");
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131
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132 if (encoding == null)
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133 encoding = DEFAULT_ENCODING;
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134
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135 org.w3c.dom.Document document = XMLUtils.newDocument();
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136 SVGGraphics2D graphics = new SVGGraphics2D(document);
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137
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138 int[] size = getSize(context);
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139
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140 ChartRenderingInfo info = new ChartRenderingInfo();
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141
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142 chart.draw(graphics, new Rectangle2D.Double(0.0D, 0.0D,size[0],size[1]), info);
152
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143
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144 try {
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145 graphics.stream(new OutputStreamWriter(out, encoding));
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146 }
956445dd601d Added a helper class to export charts.
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147 catch (SVGGraphics2DIOException svge) {
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148 log.error("Error while writing svg export to output stream.", svge);
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149 }
956445dd601d Added a helper class to export charts.
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150 catch (UnsupportedEncodingException uee) {
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151 log.error("Unsupported encoding: " + encoding, uee);
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152 }
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153 }
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154
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155
956445dd601d Added a helper class to export charts.
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156 /**
956445dd601d Added a helper class to export charts.
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157 * A method to export a <code>JFreeChart</code> as PDF to an
956445dd601d Added a helper class to export charts.
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158 * <code>OutputStream</code>.
956445dd601d Added a helper class to export charts.
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159 *
956445dd601d Added a helper class to export charts.
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160 * @param out OutputStream
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161 * @param chart JFreeChart
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162 */
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163 public static void exportPDF(
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164 OutputStream out,
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165 JFreeChart chart,
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166 CallContext cc
152
956445dd601d Added a helper class to export charts.
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167 ) {
956445dd601d Added a helper class to export charts.
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168 log.info("export chart as pdf.");
956445dd601d Added a helper class to export charts.
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169
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170 String pageFormat = (String) cc.getContextValue("chart.page.format");
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171
152
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172 if (pageFormat == null)
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173 pageFormat = DEFAULT_PAGE_SIZE;
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174
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4ac581062c40 Fix various documentation issues.
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175 // Max size of the chart.
152
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176 Rectangle page = PageSize.getRectangle(pageFormat);
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177 float pageWidth = page.getWidth();
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178 float pageHeight = page.getHeight();
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179
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4ac581062c40 Fix various documentation issues.
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180 // The chart width.
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181 int[] size = getSize(cc);
152
956445dd601d Added a helper class to export charts.
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182
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5966a20fc72c Enabled support for PDF and SVG chart exports.
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183 boolean landscape = size[0] > size[1];
152
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184
956445dd601d Added a helper class to export charts.
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185 float width = 0;
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186 float height = 0;
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187 if (landscape) {
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188 width = pageHeight;
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189 height = pageWidth;
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190 }
956445dd601d Added a helper class to export charts.
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parents:
diff changeset
191 else {
956445dd601d Added a helper class to export charts.
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192 width = pageWidth;
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193 height = pageHeight;
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194 }
956445dd601d Added a helper class to export charts.
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195
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5966a20fc72c Enabled support for PDF and SVG chart exports.
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196 float marginLeft = (Float) cc.getContextValue(
5966a20fc72c Enabled support for PDF and SVG chart exports.
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197 "chart.marginLeft");
5966a20fc72c Enabled support for PDF and SVG chart exports.
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198
5966a20fc72c Enabled support for PDF and SVG chart exports.
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199 float marginRight = (Float) cc.getContextValue(
5966a20fc72c Enabled support for PDF and SVG chart exports.
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200 "chart.marginRight");
5966a20fc72c Enabled support for PDF and SVG chart exports.
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diff changeset
201
5966a20fc72c Enabled support for PDF and SVG chart exports.
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202 float marginTop = (Float) cc.getContextValue(
5966a20fc72c Enabled support for PDF and SVG chart exports.
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203 "chart.marginTop");
5966a20fc72c Enabled support for PDF and SVG chart exports.
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diff changeset
204
5966a20fc72c Enabled support for PDF and SVG chart exports.
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205 float marginBottom = (Float) cc.getContextValue(
5966a20fc72c Enabled support for PDF and SVG chart exports.
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diff changeset
206 "chart.marginBottom");
5966a20fc72c Enabled support for PDF and SVG chart exports.
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diff changeset
207
152
956445dd601d Added a helper class to export charts.
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208 float spaceX = width - marginLeft - marginRight;
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5966a20fc72c Enabled support for PDF and SVG chart exports.
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209 if (size[0] > spaceX) {
152
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diff changeset
210 log.warn("Width of the chart is too big for pdf -> resize it now.");
1735
5966a20fc72c Enabled support for PDF and SVG chart exports.
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diff changeset
211 double ratio = ((double)spaceX) / size[0];
5966a20fc72c Enabled support for PDF and SVG chart exports.
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diff changeset
212 size[0] *= ratio;
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
213 size[1] *= ratio;
5966a20fc72c Enabled support for PDF and SVG chart exports.
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diff changeset
214 log.debug("Resized chart to " + size[0] + "x" + size[1]);
152
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diff changeset
215 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
216
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
217 float spaceY = height - marginTop - marginBottom;
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diff changeset
218 if (size[1] > spaceY) {
152
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diff changeset
219 log.warn("Height of the chart is too big for pdf -> resize it now.");
1735
5966a20fc72c Enabled support for PDF and SVG chart exports.
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parents: 1036
diff changeset
220 double ratio = ((double)spaceY) / size[1];
5966a20fc72c Enabled support for PDF and SVG chart exports.
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diff changeset
221 size[0] *= ratio;
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
222 size[1] *= ratio;
5966a20fc72c Enabled support for PDF and SVG chart exports.
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parents: 1036
diff changeset
223 log.debug("Resized chart to " + size[0] + "x" + size[1]);
152
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
224 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
225
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
226 Document document = null;
956445dd601d Added a helper class to export charts.
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parents:
diff changeset
227 if (landscape) {
956445dd601d Added a helper class to export charts.
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diff changeset
228 document = new Document(page.rotate());
956445dd601d Added a helper class to export charts.
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diff changeset
229 log.debug("Create landscape pdf.");
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
230 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
231 else
956445dd601d Added a helper class to export charts.
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diff changeset
232 document = new Document(page);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
233
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
234 try {
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
235 PdfWriter writer = PdfWriter.getInstance(document, out);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
236
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
237 document.addSubject(chart.getTitle().getText());
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
238 document.addCreationDate();
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
239 document.open();
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
240
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
241 PdfContentByte content = writer.getDirectContent();
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
242
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
243 PdfTemplate template = content.createTemplate(width, height);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
244 Graphics2D graphics = template.createGraphics(width, height);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
245
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
246 double[] origin = getCenteredAnchor(
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
247 marginLeft, marginRight, marginBottom, marginTop,
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
248 width, height,
1735
5966a20fc72c Enabled support for PDF and SVG chart exports.
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diff changeset
249 size[0], size[1]);
152
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
250
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
251 Rectangle2D area = new Rectangle2D.Double(
1735
5966a20fc72c Enabled support for PDF and SVG chart exports.
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diff changeset
252 origin[0], origin[1], size[0], size[1]);
152
956445dd601d Added a helper class to export charts.
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parents:
diff changeset
253
2160
8428de5846e8 Employ ChartRenderingInfo when creating svg/pdf exports.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1735
diff changeset
254 ChartRenderingInfo info = new ChartRenderingInfo();
8428de5846e8 Employ ChartRenderingInfo when creating svg/pdf exports.
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parents: 1735
diff changeset
255
8428de5846e8 Employ ChartRenderingInfo when creating svg/pdf exports.
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parents: 1735
diff changeset
256 chart.draw(graphics, area, info);
152
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
257 graphics.dispose();
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
258 content.addTemplate(template, 0f, 0f);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
259 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
260 catch (DocumentException de) {
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
261 log.error("Error while exporting chart to pdf.", de);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
262 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
263 finally {
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
264 document.close();
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
265 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
266 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
267
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
268
2231
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
269 /**
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
270 * A method to export a CSV file to an
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
271 * <code>OutputStream</code>.
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
272 *
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
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273 * @param out OutputStream
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
274 * @param chart JFreeChart containing the data.
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
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275 * @param context The CallContext object that contains extra parameters.
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
276 */
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
277 public static void exportCSV(
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
278 OutputStream out,
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
279 JFreeChart chart,
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
280 CallContext context)
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
281 {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
282 log.debug("export chart as CSV");
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
283 CSVWriter writer = null;
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
284 try {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
285 writer = new CSVWriter(
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
286 new OutputStreamWriter(
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
287 out,
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
288 DEFAULT_ENCODING),
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
289 DEFAULT_CSV_SEPARATOR);
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
290 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
291 catch(UnsupportedEncodingException uee) {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
292 log.warn("Wrong encoding for CSV export.");
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
293 return;
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
294 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
295 XYPlot plot = chart.getXYPlot();
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
296 int count = plot.getDatasetCount();
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
297 for (int i = 0; i < count; i++) {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
298 XYDataset data = plot.getDataset(i);
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
299 int scount = data.getSeriesCount();
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
300 for (int j = 0; j < scount; j++) {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
301 Comparable seriesKey = data.getSeriesKey(j);
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
302 log.debug("series key: " + seriesKey.toString());
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
303 writeCSVHeader(writer, seriesKey.toString());
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
304 writeCSVData(writer, data);
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
305 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
306 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
307 try {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
308 writer.close();
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
309 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
310 catch(IOException ioe) {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
311 log.error("Writing CSV export failed!");
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
312 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
313 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
314
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
315
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
316 protected static void writeCSVHeader(CSVWriter writer, String key) {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
317 writer.writeNext(new String[] {"#"});
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
318 writer.writeNext(new String[] {"# " + key});
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
319 writer.writeNext(new String[] {"#"});
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
320 writer.writeNext(new String[] {"X", "Y"});
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
321 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
322
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
323
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
324 protected static void writeCSVData(CSVWriter writer, XYDataset data) {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
325 int series = data.getSeriesCount();
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
326 for (int i = 0; i < series; i++) {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
327 int items = data.getItemCount(i);
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
328 for (int j = 0; j < items; j++) {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
329 log.debug("write data: " + data.getX(i, j) + ", " + data.getY(i, j));
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
330 writer.writeNext(new String[] {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
331 data.getX(i, j).toString(),
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
332 data.getY(i, j).toString()});
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
333 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
334 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
335 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
336
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
337
1735
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
338 public static int[] getSize(CallContext cc) {
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
339 int[] size = new int[2];
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
340
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
341 size[0] = (Integer) cc.getContextValue("chart.width");
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
342 size[1] = (Integer) cc.getContextValue("chart.height");
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
343
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
344 return size;
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
345 }
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
346
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
347
152
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
348 /**
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
349 * This method returns the anchor of the chart so that the chart is centered
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
350 * according to the given parameters.
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
351 *
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
352 * @param mLeft Left margin
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
353 * @param mRight Right margin
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
354 * @param mBottom Bottom margin
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
355 * @param mTop Top margin
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
356 * @param width The complete width of the drawing area.
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
357 * @param height The complete height of the drawing area.
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
358 * @param chartWidth The width of the chart.
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
359 * @param chartHeight The height of the chart.
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
360 *
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
361 * @return an array that contains the anchor for a chart with the given
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
362 * parameters. The first value is the x point, the second value is the y
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
363 * point.
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
364 */
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
365 public static double[] getCenteredAnchor(
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
366 double mLeft, double mRight, double mBottom, double mTop,
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
367 double width, double height,
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
368 double chartWidth, double chartHeight
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
369 ) {
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
370 if (log.isDebugEnabled()) {
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
371 log.debug("Calculate centered origin...");
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
372 log.debug("-> PDF width : " + width);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
373 log.debug("-> PDF height : " + height);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
374 log.debug("-> Chart width : " + chartWidth);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
375 log.debug("-> Chart height : " + chartHeight);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
376 log.debug("-> margin left : " + mLeft);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
377 log.debug("-> margin right : " + mRight);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
378 log.debug("-> margin bottom: " + mBottom);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
379 log.debug("-> margin top : " + mTop);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
380 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
381
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
382 double[] origin = new double[2];
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
383
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
384 double centerX = width / 2;
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
385 double centerY = height / 2;
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
386
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
387 origin[0] = centerX - chartWidth / 2;
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
388 origin[1] = centerY - chartHeight / 2;
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
389
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
390 origin[0] = origin[0] >= mLeft ? origin[0] : mLeft;
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
391 origin[1] = origin[1] >= mTop ? origin[1] : mTop;
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
392
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
393 if (log.isDebugEnabled()) {
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
394 log.debug("==> centered left origin: " + origin[0]);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
395 log.debug("==> centered top origin: " + origin[1]);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
396 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
397
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
398 return origin;
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
399 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
400 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
401 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org