Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/exports/ChartInfoGenerator.java @ 1752:b7b424ae32a8
Added /dev/null Graphics2D object to be used in the info rendering pass of the diagram generation.
flys-artifacts/trunk@3055 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Fri, 21 Oct 2011 13:25:24 +0000 |
| parents | bdb05dc9b763 |
| children | f2c14e09a8f1 |
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| 1751:27b8836abec9 | 1752:b7b424ae32a8 |
|---|---|
| 1 package de.intevation.flys.exports; | 1 package de.intevation.flys.exports; |
| 2 | 2 |
| 3 import java.awt.Transparency; | 3 import de.intevation.flys.java2d.NOPGraphics2D; |
| 4 | |
| 4 import java.io.IOException; | 5 import java.io.IOException; |
| 5 import java.io.OutputStream; | 6 import java.io.OutputStream; |
| 7 | |
| 8 import java.awt.Transparency; | |
| 9 import java.awt.Graphics2D; | |
| 10 | |
| 11 import java.awt.geom.Rectangle2D; | |
| 12 | |
| 13 import java.awt.image.BufferedImage; | |
| 6 | 14 |
| 7 import org.w3c.dom.Document; | 15 import org.w3c.dom.Document; |
| 8 | 16 |
| 9 import org.apache.log4j.Logger; | 17 import org.apache.log4j.Logger; |
| 10 | 18 |
| 28 * created chart. | 36 * created chart. |
| 29 * | 37 * |
| 30 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> | 38 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
| 31 */ | 39 */ |
| 32 public abstract class ChartInfoGenerator implements OutGenerator { | 40 public abstract class ChartInfoGenerator implements OutGenerator { |
| 41 | |
| 42 public static final boolean USE_NOP_GRAPHICS = | |
| 43 Boolean.getBoolean("info.rendering.nop.graphics"); | |
| 33 | 44 |
| 34 /** The logger used in this generator.*/ | 45 /** The logger used in this generator.*/ |
| 35 private static Logger logger = | 46 private static Logger logger = |
| 36 Logger.getLogger(ChartInfoGenerator.class); | 47 Logger.getLogger(ChartInfoGenerator.class); |
| 37 | 48 |
| 104 | 115 |
| 105 int[] size = generator.getSize(); | 116 int[] size = generator.getSize(); |
| 106 | 117 |
| 107 ChartRenderingInfo info = new ChartRenderingInfo(); | 118 ChartRenderingInfo info = new ChartRenderingInfo(); |
| 108 | 119 |
| 109 chart.createBufferedImage(size[0], size[1], Transparency.BITMASK, info); | 120 long startTime = System.currentTimeMillis(); |
| 121 | |
| 122 if (USE_NOP_GRAPHICS) { | |
| 123 BufferedImage image = | |
| 124 new BufferedImage(size[0], size[1], Transparency.BITMASK); | |
| 125 | |
| 126 Graphics2D g2d = image.createGraphics(); | |
| 127 Graphics2D nop = new NOPGraphics2D(g2d); | |
| 128 | |
| 129 chart.draw( | |
| 130 nop, | |
| 131 new Rectangle2D.Double(0, 0, size[0], size[1]), | |
| 132 null, | |
| 133 info); | |
| 134 | |
| 135 nop.dispose(); | |
| 136 } | |
| 137 else { | |
| 138 chart.createBufferedImage( | |
| 139 size[0], size[1], Transparency.BITMASK, info); | |
| 140 } | |
| 141 | |
| 142 long stopTime = System.currentTimeMillis(); | |
| 143 | |
| 144 if (logger.isDebugEnabled()) { | |
| 145 logger.debug("Rendering info took: " + | |
| 146 (stopTime-startTime) + "ms"); | |
| 147 } | |
| 148 | |
| 110 | 149 |
| 111 InfoGeneratorHelper helper = new InfoGeneratorHelper(generator); | 150 InfoGeneratorHelper helper = new InfoGeneratorHelper(generator); |
| 112 Document doc = helper.createInfoDocument(chart, info); | 151 Document doc = helper.createInfoDocument(chart, info); |
| 113 | 152 |
| 114 XMLUtils.toStream(doc, out); | 153 XMLUtils.toStream(doc, out); |