Repository: pdfbox-docs Updated Branches: refs/heads/asf-site 8dccbb57f -> 11aef9083
Site checkin for project Apache PDFBox Website Project: http://git-wip-us.apache.org/repos/asf/pdfbox-docs/repo Commit: http://git-wip-us.apache.org/repos/asf/pdfbox-docs/commit/11aef908 Tree: http://git-wip-us.apache.org/repos/asf/pdfbox-docs/tree/11aef908 Diff: http://git-wip-us.apache.org/repos/asf/pdfbox-docs/diff/11aef908 Branch: refs/heads/asf-site Commit: 11aef9083ec5d0e4428aad2c13465b1894bbd2bc Parents: 8dccbb5 Author: Maruan Sahyoun <[email protected]> Authored: Sun Feb 26 21:38:38 2017 +0100 Committer: Maruan Sahyoun <[email protected]> Committed: Sun Feb 26 21:38:38 2017 +0100 ---------------------------------------------------------------------- content/2.0/faq.html | 15 +++++++++++++++ 1 file changed, 15 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/pdfbox-docs/blob/11aef908/content/2.0/faq.html ---------------------------------------------------------------------- diff --git a/content/2.0/faq.html b/content/2.0/faq.html index 3ede810..279f874 100644 --- a/content/2.0/faq.html +++ b/content/2.0/faq.html @@ -167,6 +167,7 @@ <h3 id="pdf-rendering">PDF Rendering</h3> <ul> + <li><a href="#outofmemoryrrror">Iâm getting an OutOfMemoryError. What can I do?</a></li> <li><a href="#dropshadow">A drop shadow is missing or at the wrong position when rendering a page</a></li> <li><a href="#textantialias">Why are some texts in poor quality and not antialiased?</a></li> </ul> @@ -318,6 +319,20 @@ the word âHelloâ is drawn.</li> <h2 id="pdf-rendering-1">PDF rendering</h2> +<p><a name="outofmemoryrrror"></a></p> + +<h3 id="im-getting-an-outofmemoryerror-what-can-i-do">Iâm getting an OutOfMemoryError. What can I do?</h3> + +<p>The memory footprint depends on the PDF itself and on the resolution you use for rendering. Some possible options:</p> + +<ul> + <li>increase the <code class="highlighter-rouge">-Xmx</code> value when starting java</li> + <li>be careful not to hold your images after rendering them, e.g. avoid putting all images of a PDF into a <code class="highlighter-rouge">List</code></li> + <li>donât forgot to close your <code class="highlighter-rouge">PDDocument</code> objects</li> + <li>decrease the scale when calling <code class="highlighter-rouge">PDFRenderer.renderImage()</code>, or the dpi value when calling <code class="highlighter-rouge">PDFRenderer.renderImageWithDPI()</code></li> + <li>disable the cache for <code class="highlighter-rouge">PDImageXObject</code> objects by calling <code class="highlighter-rouge">PDDocument.setResourceCache()</code> with a cache object that is derived from <code class="highlighter-rouge">DefaultResourceCache</code> and whose call <code class="highlighter-rouge">public void put(COSObject indirect, PDXObject xobject)</code> does nothing. Be aware that this will slow down rendering for PDF files that have an identical image in several pages (e.g. a company logo or a background). More about this can be read in <a href="https://issues.apache.org/jira/browse/PDFBOX-3700";>PDFBOX-3700</a>.</li> +</ul> + <p><a name="dropshadow"></a></p> <h3 id="a-drop-shadow-is-missing-or-at-the-wrong-position-when-rendering-a-page">A drop shadow is missing or at the wrong position when rendering a page</h3>
