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April 27, 2012 05:43
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iTextとJFreeChartとscala-ioでpdfにグラフを出力しちゃうコード(日本語対応)
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| libraryDependencies += "com.github.scala-incubator.io" %% "scala-io-core" % "0.3.0" | |
| libraryDependencies += "com.github.scala-incubator.io" %% "scala-io-file" % "0.3.0" |
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| import scalax.io._ | |
| import scalax.file.Path | |
| import Path.string2path | |
| import java.awt.{Font => jaFont} | |
| import java.awt.geom.Rectangle2D | |
| import com.itextpdf.text.Font | |
| import com.itextpdf.text.Document | |
| import com.itextpdf.text.Paragraph | |
| import com.itextpdf.text.PageSize | |
| import com.itextpdf.text.pdf.PdfPTable | |
| import com.itextpdf.text.pdf.PdfPCell | |
| import com.itextpdf.text.pdf.PdfWriter | |
| import com.itextpdf.text.pdf.BaseFont | |
| import com.itextpdf.awt.PdfGraphics2D | |
| import com.itextpdf.awt.DefaultFontMapper | |
| import com.itextpdf.awt.FontMapper | |
| import org.jfree.chart.ChartFactory | |
| import org.jfree.chart.StandardChartTheme | |
| import org.jfree.chart.title.TextTitle | |
| import org.jfree.chart.plot.PlotOrientation | |
| import org.jfree.chart.JFreeChart | |
| import org.jfree.data.category.DefaultCategoryDataset | |
| object PdfWriterOpt { | |
| implicit def str2Elem(s:String)(implicit font:Font) = new Paragraph(s,font) | |
| def A4PdfWriter(outputFileName:String)(f:(Font) => PdfWriter => Document => Unit) { | |
| val defaultFont = new Font( | |
| BaseFont.createFont("HeiseiKakuGo-W5", "UniJIS-UCS2-H",BaseFont.NOT_EMBEDDED),15) | |
| outputFileName outputStream() foreach {stream => | |
| val doc = new Document(PageSize.A4,50,50,50,50) | |
| val writer = PdfWriter.getInstance(doc,stream) | |
| doc.open | |
| f(defaultFont)(writer)(doc) | |
| doc.close | |
| } | |
| } | |
| case class JapaneseFontMapper(bfont:BaseFont) extends FontMapper { | |
| def awtToPdf(font:jaFont) = bfont | |
| def pdfToAwt(font:BaseFont, size:Int) = new jaFont("dialog",jaFont.PLAIN,size) | |
| } | |
| def GraphWriter(size:(Float,Float) = (400,200),position:(Float,Float) = (0,0))( | |
| f: => JFreeChart)(implicit writer:PdfWriter) = { | |
| val (width,height) = size | |
| val cb = writer.getDirectContent() | |
| val template = cb.createTemplate(width,height) | |
| val defaultFont = BaseFont.createFont( | |
| "HeiseiKakuGo-W5", "UniJIS-UCS2-H", BaseFont.NOT_EMBEDDED); | |
| val g = new PdfGraphics2D( | |
| template, width, height, JapaneseFontMapper(defaultFont)); | |
| val rect = new Rectangle2D.Double(0,0,width,height) | |
| f.draw(g,rect) | |
| g.dispose() | |
| cb.addTemplate(template, position._1, position._2) | |
| } | |
| def addEmptyLines(lines:Int)(implicit doc:Document,font:Font) = | |
| for(_ <- (1 to lines)) doc.add(" ") | |
| } | |
| object Itext extends App { | |
| import PdfWriterOpt._ | |
| A4PdfWriter( | |
| //"../itextView/public/images/sample.pdf" | |
| "sample.pdf" | |
| ){implicit font => implicit writer => implicit doc => | |
| doc.add("itext + JFreeChartのsample") | |
| GraphWriter((500,220),(50,510)){ | |
| val current = Array( | |
| 215.3,152.8,129.9,119.2,133.1,156.4,176.2,171.2,246.8,165.1,233.7,256.8) | |
| val last = Array( | |
| 244.4,167.5,129.1,115.7,120.9,165.6,223.8,175.3,222.1,159.3,223.4,249.4) | |
| val label = (1 to 12) map ("%02d".format(_)) | |
| val ds = new DefaultCategoryDataset() | |
| (current zip label) map {case (num,label) => ds.addValue(num,"今年の雨量",label)} | |
| (last zip label) map {case (num,label) => ds.addValue(num,"去年の雨量",label)} | |
| ChartFactory.createBarChart( | |
| "雨量グラフ", "2012年", "雨量", ds, PlotOrientation.VERTICAL, true, true, false) | |
| } | |
| addEmptyLines(13) | |
| doc.add("表示位置決めるのが面倒") | |
| } | |
| } |
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http://sourceforge.net/projects/jfreechart/files/latest/download?source=files
http://sourceforge.net/projects/jfreechart/files/3.%20JCommon/1.0.17/jcommon-1.0.17.zip/download
http://sourceforge.net/projects/itext/files/iText/iText5.2.1/itext-5.2.1.zip/download
http://sourceforge.net/projects/itext/files/extrajars/extrajars-2.2.zip/download
をダウンロードして、"itext-asian.jar", "itextpdf-5.2.1.jar","jfreechart-1.0.14.jar","jcommon-1.0.17.jar"
を取り出し"lib/"に突っ込む
"sbt run"でcurrentにsample.pdfが作成される