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List: fop-user
Subject: Trouble going from Graphics2D to PDF, with PDFDocumentGraphics2D
From: Jean-Yves Tinevez <tinevez () pasteur ! fr>
Date: 2011-07-21 12:25:43
Message-ID: D7674F4E-2255-4799-90E5-57C37FA8AC64 () pasteur ! fr
[Download RAW message or body]
Dear list,
I am struggling a lot with exporting a swing figure based on
Graphics2D drawing to PDF using FOP. After a lot of fiddling and
googling, I turn to you with hope.
Basically, I have a panel that is painted with a draw(Graphics2D g2d,
Rectangle bounds) methods (in my specific case it is a JFreeChart
plot) that I try to export as pdf. I have tried to do that in two
ways, leading to 2 problems. The first way I investigated was based on
PDFDocumentGraphics2D
I came with the following snippet in charge of the exporting:
/**
* Exports a JFreeChart to a PDF file.
* <p>
* We use a dirty hack for that: we first export to a physical SVG
file, reload it, and
* use Apache FOP PDF transcoder to convert it to pdfs. It only works
partially, for
* the text ends up in not being selectable in the pdf.
*
* @param chart JFreeChart to export
* @param bounds the dimensions of the viewport
* @param pdfFile the output file.
* @throws IOException if writing the pdfFile fails.
*/
public static void exportChartAsPDF(JFreeChart chart, Rectangle
bounds, File pdfFile) throws IOException, TranscoderException {
PDFDocumentGraphics2D doc = new PDFDocumentGraphics2D(false);
doc.setupDefaultFontInfo();
doc.setGraphicContext(new GraphicContext());
OutputStream stream = new FileOutputStream(pdfFile);
doc.setupDocument(stream, bounds.width, bounds.height);
doc.setDeviceDPI(60);
chart.draw(doc, bounds );
stream.flush();
doc.finish();
stream.close();
}
It turned out the execution of this method works fine, as long as I
use standard fonts (Helvetica not Arial): I get a pdf file, which can
be opened in the Mac OSX's Preview for instance, but not in Acrobat
reader.
In the later, I receive a message stating that the pdf has "some"
error and that I should get contacted, and some parts of the pdf are
not drawn. I attach an example of this pdf to this mail.
Could you tip me on what I did wrong there?
The versions of the libs I used:
- FOP: SVN tags/fop-0_94
- Java:
os.arch => x86_64
os.name => Mac OS X
os.version => 10.5.8
java.version => 1.6.0_26
java.vendor => Apple Inc.
java.runtime.name => Java(TM) SE Runtime Environment
java.runtime.version => 1.6.0_26-b03-384-9M3425
java.vm.name => Java HotSpot(TM) 64-Bit Server VM
java.vm.version => 20.1-b02-384
java.vm.vendor => Apple Inc.
Cheers
jy
[Attachment #3 (multipart/mixed)]
[Attachment #5 (text/html)]
<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; \
-webkit-line-break: after-white-space; ">Dear list,<div><br></div><div>I am \
struggling a lot with exporting a swing figure based on Graphics2D drawing to PDF \
using FOP. After a lot of fiddling and googling, I turn to you with \
hope. </div><div><br></div><div>Basically, I have a panel that is painted with a \
draw(Graphics2D g2d, Rectangle bounds) methods (in my specific case it is a \
JFreeChart plot) that I try to export as pdf. I have tried to do that in two ways, \
leading to 2 problems. The first way I investigated was based on <span \
class="Apple-style-span" style="font-family: Monaco; font-size: 11px; \
"><u>PDFDocumentGraphics2D</u></span></div><div><br></div><div><span \
class="Apple-style-span" style="font-family: Monaco; font-size: 11px; \
"></span></div><div>I came with the following snippet in charge of the \
exporting:</div><div><br></div><div><div style="margin-top: 0px; margin-right: 0px; \
margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; \
min-height: 15px; "><br></div><div style="margin-top: 0px; margin-right: 0px; \
margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; \
color: rgb(63, 95, 191); "><span style="color: #000000"><span class="Apple-tab-span" \
style="white-space:pre"> </span></span>/**</div><div style="margin-top: 0px; \
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal \
11px/normal Monaco; color: rgb(63, 95, 191); "><span class="Apple-tab-span" \
style="white-space:pre"> </span> * Exports a JFreeChart to a PDF file.</div><div \
style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; \
font: normal normal normal 11px/normal Monaco; color: rgb(63, 95, 191); "><span \
class="Apple-tab-span" style="white-space:pre"> </span> * <span style="color: \
#7f7f9f"><p></span></div><div style="margin-top: 0px; margin-right: 0px; \
margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; \
color: rgb(63, 95, 191); "><span class="Apple-tab-span" \
style="white-space:pre"> </span> * We use a dirty hack for that: we first export to a \
physical SVG file, reload it, and</div><div style="margin-top: 0px; margin-right: \
0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal \
Monaco; color: rgb(63, 95, 191); "><span class="Apple-tab-span" \
style="white-space:pre"> </span> * use <span style="text-decoration: \
underline">Apache</span> FOP PDF <span style="text-decoration: \
underline">transcoder</span> to convert it to <span style="text-decoration: \
underline">pdfs</span>. It only works partially, for</div><div style="margin-top: \
0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal \
normal 11px/normal Monaco; color: rgb(63, 95, 191); "><span class="Apple-tab-span" \
style="white-space:pre"> </span> * the text ends up in not being <span \
style="text-decoration: underline">selectable</span> in the <span \
style="text-decoration: underline">pdf</span>.</div><div style="margin-top: 0px; \
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal \
11px/normal Monaco; color: rgb(63, 95, 191); "><span class="Apple-tab-span" \
style="white-space:pre"> </span> * </div><div style="margin-top: 0px; \
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal \
11px/normal Monaco; color: rgb(63, 95, 191); "><span class="Apple-tab-span" \
style="white-space:pre"> </span> * <span style="color: #7f9fbf">@param</span> chart \
JFreeChart to export</div><div style="margin-top: 0px; margin-right: 0px; \
margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; \
color: rgb(63, 95, 191); "><span class="Apple-tab-span" \
style="white-space:pre"> </span> * <span style="color: #7f9fbf">@param</span> bounds \
the dimensions of the <span style="text-decoration: \
underline">viewport</span></div><div style="margin-top: 0px; margin-right: 0px; \
margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; \
color: rgb(63, 95, 191); "><span class="Apple-tab-span" \
style="white-space:pre"> </span> * <span style="color: #7f9fbf">@param</span> pdfFile \
the output file.</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: \
0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; color: rgb(63, \
95, 191); "><span class="Apple-tab-span" style="white-space:pre"> </span> * <span \
style="color: #7f9fbf">@throws</span> IOException if writing the pdfFile \
fails.</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; \
margin-left: 0px; font: normal normal normal 11px/normal Monaco; color: rgb(63, 95, \
191); "><span class="Apple-tab-span" style="white-space:pre"> </span> */</div><div \
style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; \
font: normal normal normal 11px/normal Monaco; "><span class="Apple-tab-span" \
style="white-space:pre"> </span><span style="color: #7f0055">public</span> <span \
style="color: #7f0055">static</span> <span style="color: #7f0055">void</span> \
exportChartAsPDF(JFreeChart chart, Rectangle bounds, File pdfFile) <span \
style="color: #7f0055">throws</span> IOException, TranscoderException {</div><p \
style="margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Monaco; min-height: \
15.0px"><span class="Apple-tab-span" style="white-space:pre"> </span><br \
class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; \
margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; \
"><span class="Apple-tab-span" style="white-space:pre"> </span>PDFDocumentGraphics2D \
doc = <span style="color: #7f0055">new</span> PDFDocumentGraphics2D(<span \
style="color: #7f0055">false</span>);</div><div style="margin-top: 0px; margin-right: \
0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal \
Monaco; "><span class="Apple-tab-span" \
style="white-space:pre"> </span>doc.setupDefaultFontInfo();</div><div \
style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; \
font: normal normal normal 11px/normal Monaco; "><span class="Apple-tab-span" \
style="white-space:pre"> </span>doc.setGraphicContext(<span style="color: \
#7f0055">new</span> GraphicContext());</div><p style="margin: 0.0px 0.0px 0.0px \
0.0px; font: 11.0px Monaco; min-height: 15.0px"><span class="Apple-tab-span" \
style="white-space:pre"> </span><br class="webkit-block-placeholder"></p><div \
style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; \
font: normal normal normal 11px/normal Monaco; "><span class="Apple-tab-span" \
style="white-space:pre"> </span>OutputStream stream = <span style="color: \
#7f0055">new</span> FileOutputStream(pdfFile);</div><div style="margin-top: 0px; \
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal \
11px/normal Monaco; "><span class="Apple-tab-span" \
style="white-space:pre"> </span>doc.setupDocument(stream, bounds.<span style="color: \
#0000c0">width</span>, bounds.<span style="color: #0000c0">height</span>);</div><div \
style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; \
font: normal normal normal 11px/normal Monaco; "><span class="Apple-tab-span" \
style="white-space:pre"> </span>doc.setDeviceDPI(60);</div><p style="margin: 0.0px \
0.0px 0.0px 0.0px; font: 11.0px Monaco; min-height: 15.0px"><span \
class="Apple-tab-span" style="white-space:pre"> </span><br \
class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; \
margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; \
"><span class="Apple-tab-span" style="white-space:pre"> </span>chart.draw(doc, \
bounds );</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; \
margin-left: 0px; font: normal normal normal 11px/normal Monaco; "><span \
class="Apple-tab-span" style="white-space:pre"> </span>stream.flush();</div><div \
style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; \
font: normal normal normal 11px/normal Monaco; "><span class="Apple-tab-span" \
style="white-space:pre"> </span>doc.finish();</div><div style="margin-top: 0px; \
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal \
11px/normal Monaco; "><span class="Apple-tab-span" \
style="white-space:pre"> </span>stream.close();</div><div style="margin-top: 0px; \
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal \
11px/normal Monaco; "><span class="Apple-tab-span" \
style="white-space:pre"> </span>}</div></div><div><br></div><div><br></div><div>It \
turned out the execution of this method works fine, as long as I use standard fonts \
(Helvetica not Arial): I get a pdf file, which can be opened in the Mac OSX's Preview \
for instance, but not in Acrobat reader. </div><div>In the later, I receive a \
message stating that the pdf has "some" error and that I should get contacted, and \
some parts of the pdf are not drawn. I attach an example of this pdf to this \
mail.</div><div><br></div><div></div></body></html>
["ExportTest.pdf" (ExportTest.pdf)]
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[Attachment #7 (text/html)]
<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; \
-webkit-line-break: after-white-space; "><div></div><div><br></div><div>Could you tip \
me on what I did wrong there?</div><div><br></div><div>The versions of the libs I \
used:</div><div><br></div><div>- FOP: <span class="Apple-style-span" \
style="font-family: Monaco; font-size: 11px; ">SVN \
tags/fop-0_94</span></div><div><span class="Apple-style-span" style="font-family: \
Monaco; font-size: 11px; ">- Java:</span></div><div><span class="Apple-style-span" \
style="font-family: Monaco; font-size: 11px; "><div> os.arch => \
x86_64</div><div> os.name => Mac OS X</div><div> os.version \
=> 10.5.8</div><div> java.version => \
1.6.0_26</div><div> java.vendor => Apple \
Inc.</div><div> java.runtime.name => Java(TM) SE Runtime \
Environment</div><div> java.runtime.version => \
1.6.0_26-b03-384-9M3425</div><div> java.vm.name => Java HotSpot(TM) \
64-Bit Server VM</div><div> java.vm.version => \
20.1-b02-384</div><div> java.vm.vendor => Apple \
Inc.</div></span></div><div><br></div><div><br></div><div>Cheers</div><div>jy</div><div><br></div></body></html>
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