Am 04.04.2017 um 15:24 schrieb Vassallo, Fabio:
Good afternoon.
I need to put a JFreeChart instance into a PDF document using PDFBox.
In iText it’s possible to use the PdfTemplate class to directly put
the chart inside the document (see code below):
*PdfWriter writer = ...;*
*...*
*JFreeChart chart = ...;*
*float width = ...;*
*float height = ...;*
*float posX = ...,*
*float posY = ...;*
*...*
*PdfTemplate template =
writer.getDirectContent().createTemplate(width, height);*
*PdfGraphics2D graphics = new PdfGraphics2D(template, width, height);*
*Rectangle2D rectangle = new Rectangle2D.Double(0, 0, width, height);*
*chart.draw(graphics, rectangle);*
*graphics.dispose();*
*writer.getDirectContent().addTemplate(template, posX, posY);*
All I was able to do in PDFBox is converting the chart into an image,
but this causes a big quality loss (see code below):
*PDDocument document = ..;*
*PDPageContentStream currentContentStream = ...;*
*...*
*JFreeChart chart = ...;*
*int width = ...;*
*int height = ...;*
*float posX = ...,*
*float posY = ...;*
*...*
*BufferedImage bi = chart.createBufferedImage(width, height);*
*PDImageXObject image = LosslessFactory.createFromImage(document, bi);*
*currentContentStream.drawImage(image, posX, posY);*
Is there a way to put the chart into the document in the same way as
using iText?
No but you might want to try this external project:
https://issues.apache.org/jira/browse/PDFBOX-3697
Please put any feedback in that issue, so that the developer reads about it.
Tilman
