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/* Title: Pure/General/graphics_file.scala
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Author: Makarius
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File system operations for Graphics2D output.
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*/
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package isabelle
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import java.awt.Graphics2D
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import java.awt.geom.Rectangle2D
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import java.io.{FileOutputStream, BufferedOutputStream, File => JFile}
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import org.jfree.chart.JFreeChart
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object Graphics_File
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{
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/* PDF */
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def write_pdf(file: JFile, paint: Graphics2D => Unit, width: Int, height: Int)
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{
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import com.lowagie.text.{Document, Rectangle}
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import com.lowagie.text.pdf.PdfWriter
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val out = new BufferedOutputStream(new FileOutputStream(file))
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try {
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val document = new Document()
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try {
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document.setPageSize(new Rectangle(width, height))
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val writer = PdfWriter.getInstance(document, out)
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document.open()
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val cb = writer.getDirectContent()
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val tp = cb.createTemplate(width, height)
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val gfx = tp.createGraphics(width, height)
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paint(gfx)
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gfx.dispose
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cb.addTemplate(tp, 1, 0, 0, 1, 0, 0)
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}
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finally { document.close() }
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}
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finally { out.close }
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}
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def write_pdf(path: Path, paint: Graphics2D => Unit, width: Int, height: Int): Unit =
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write_pdf(path.file, paint, width, height)
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def write_pdf(file: JFile, chart: JFreeChart, width: Int, height: Int)
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{
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def paint(gfx: Graphics2D) = chart.draw(gfx, new Rectangle2D.Double(0, 0, width, height))
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write_pdf(file, paint _, width, height)
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}
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def write_pdf(path: Path, chart: JFreeChart, width: Int, height: Int): Unit =
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write_pdf(path.file, chart, width, height)
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}
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