Q: Do Qoppa’s PDF components (jPDFViewer, jPDFNotes, jPDFEditor) support reading linearized PDF documents in an efficient way or is there another way to load PDF documents on demand for viewing from a web server? A: We are in the process of implementing the loading PDF documents in a way that takes advantage of the linearization […]
Category: jPDFViewer: PDF Viewing Component
Swing PDF Component to integrate in web or Java applications to display PDF documents.
jPDFViewer v2015R2 Build Notes
v2015R2.12 – March 01 2018 JPDF-1156 – Issue with extra space when editing multi line form field v2015R2.11 – August 09 2016 JPDF-809 – Regression: 2 PDFs that were rendering fine in 2015R2.07 do not render well in 2015R2.10 due to font CMAP issues v2015R2.10 – July 28 2016 JPDF-791 Tile refresh issue (blank pages) […]
Qoppa New Print Dialog
In version v2015R2, Qoppa added a custom print dialog much more powerful than the default Java print dialog. This new dialog is set as the default print dialog in jPDFViewer, jPDFNotes, jPDFEditor, jPDFPrint, jPDFProcess. The new enhanced print dialog includes many new features such Print Preview, Print Current View, Enhanced Page Range Options, and Print […]
LiveCycle Dynamic XFA Forms Support in Qoppa’s PDF Library
LiveCycle XFA forms are complex and uncommon PDF forms that are designed to be rendered dynamically from the drawing and layout information present in the XFA definition. This kind of forms are not widely supported and only a couple of vendors are able to render them. XFA Forms were deprecated in PDF 2.0 Adobe has […]
How to change the DPI / Resolution of the PDF page view in Qoppa’s PDF component
Q: When opening a PDF document in Qoppa’s PDF component, jPDFViewer, it seems that the 100% magnification is not exactly the same as the 100% view in Adobe Reader. A: This is a preference that can be set in Adobe Acrobat and Adobe Reader under Edit > Preferences > Page Display. By default, jPDFViewer, jPDFNotes […]
What is jPDFViewer?
jPDFViewer is PDF Reader for Java. It is a Java Swing component to view PDF documents within a Java application or a web application. jPDFViewer is just the component but it can be run in different contexts, including in a standalone desktop application as well as inside an applet inside a standard web browser. We […]
Windows XP Display Issue
There is a very rare issue of compatibility between java and certain graphics cards on Windows XP. When this happens, the PDF will display scrambled, weirdly with some part that may repeat. We found a few forums that reported similar problems. Read this posting on Microsoft’s website. Here are a few things to try: Your best bet is to update the driver for […]
Solid Look & Feel Options for Java Swing
Q: What look and feel options do you recommend to use with Qoppa’s Swing PDF viewing components? Tested Look and Feels: We can recommend the following look and feels. They were made them available as options within our end-user PDF editor called PDF Studio which is based on our PDF components and libraries. PDF Studio is used […]
Print Settings (margins, rotation, centering,..) when printing PDF in Java
Q: When we print PDF documents using Qoppa’s library jPDFPrint or components (jPDFViewer, jPDFNotes or jPDFEditor), how can I adjust the print margins? I want the printed page to be exactly the same as when printing with Adobe® Reader®’s. A: We spend a lot of time making sure that our printouts match Adobe Reader / […]
Navigating Back and Forth – Previous Next View
We’ve added a new API to our PDF viewing component for back and forth navigation (go to previous and next view). It will be released in jPDFViewer, jPDFNotes, jPDFEditor 2013R2 release scheduled for August 2013. The com.qoppa.pdfViewer.history package contains the classes that provide access to the “browsing history” of a document. This sample for navigating […]
Localization – Languages – Translated Labels for Qoppa PDF Components
jPDFViewer Localization ViewerLabels.properties can be found inside the jPDFViewer.jar file and contains the English labels for jPDFViewer. Current Languages Supported Qoppa PDF Component jPDFViewer supports 5 languages: English, German, Italian, French, Spanish. jPDFViewer uses the default locale as reported by java: Locale.getDefault() to determine what language to use. In jPDFViewer.jar file are also packaged the files […]
jPDFViewer Java API
Q: Where can I find jPDFViewer javadoc API? A: You can find the API specification for the latest version of our library jPDFViewer on our website at this link. jPDFViewer is a java bean to display PDF documents in Java applications and applets.
Inverting colors
Q: Does your PDF viewer jPDFViewer have an invert color mode? A: Yes. To invert colors when displaying a PDF using our Java component jPDFViewer, jPDFNotes or jPDFEditor, call bean.setInvertColorsMode(true); where bean is either PDFViewerBean, PDFNotesBean or PDFEditorBean. For typical documents, the display will change from “Black on White” to “White on Black”. Inverting colors […]
Are PDF files loaded from input streams or URLs saved locally?
Q: We see that your PDF component can load PDF files directly from an input stream from a remote server and save the files back to the server. How does your component handle the PDFs when working with them? Are the files being saved to a local copy and then deleted? A: The answer is […]
Non-Latin character in form fields
Q: When I type in non-Latin characters in interactive PDF form fields, some characters vanish or disappear. Why is that so? What can I do to fix this? A: The problem with non-Latin characters (Greek, Russian, Arabic, Hebrew) disappearing after being entered in an interactive text field has to do with the way that fonts […]
Configuring webeditor, webnotes, webviewer with a config xml file
Q: How can I configure the sample applets PDFWebEditor, PDFWebNotes, PDFWebViewer that Qoppa provides as samples? A: You can configure the applets through a config.xml file by adding it to the applet parameter tag of the HTML: Config:”config.xml” The config.xml file can be used to customize any of our 3 sample applets PDFWebViewer, PDFWebNotes and […]
