In v2015R1, Qoppa added an optional module to our PDF editing and annotating component jPDFEditor that allows to compare 2 documents side by side. Compare Side by Side allows to open 2 two PDF documents in the same frame next to each other to compare visually. Synchronized scrolling of the 2 documents At any time […]
Category: jPDFEditor: PDF Editing Component
Swing PDF Component to integrate in web or Java applications to view, annotate, sign, edit and redact PDF documents as well as fill interactive PDF forms.
Rendering to CMYK and Overprint Simulation
In version v2015R1, Overprint simulation was added to Qoppa’s Java PDF component jPDFEditor. This advance PDF technique is used by professionals in the print and pre-press industry. Overprint simulation allows to preview how two distinct colors that overlap will mix when printed. RGB Rendering By default, Qoppa renders to RGB: To render to CMYK […]
Removing JavaScript Popup Warnings / Turning On Off JavaScript in Qoppa PDF Library / Component
Default JavaScript Behavior Here is the default behavior: Qoppa’s PDF components will prompt user to choose whether to enable or disable Javascript when opening a JavaScript-enabled PDF form. Qoppa’s Java PDF libraries have JavaScript disabled for all PDF documents. Turn On JavaScript & Remove JavaScript Warning To turn on JavaScript and remove the warning popup, […]
jPDFEditor Java API
Q: Where can I find jPDFEditor javadoc API? A: You can find the API specification for the latest version of our library jPDFEditor on our website at this link. jPDFEditor is a java component that can display PDFs, fill interactive PDF forms, digitally sign, annotate, and redact PDF documents.
Delete, insert, rotate pages in PDF viewing and editing component
Q: Does your PDF component, jPDFEditor, support PDF document assembly such as splitting and merging PDFs? A: Yes, jPDFEditor, can do the following: split PDF files / delete pages merge PDF files / append PDF document / insert pages rotate pages permanently reorder pages This can be done through the user interface using the thumbnail […]
Customizing the signing process in jPDFNotes and jPDFEditor
Q: Is it possible to change the workflow of the signing process in jPDFNotes? A: Yes, you can customize the signature process. What you are seeing right now is the default implementation of signing a field, which works from a file and prompts the end user to save the file right after signing. However, you […]
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 […]
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 / […]
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 […]
Activate OCR in jPDFEditor
As of version 2013R2, jPDFEditor, Qoppa’s Java PDF editing component, has an optional OCR function available. OCR is also available in jPDFNotes and the steps for integration are the same as for jPDFEditor. Follow the instructions below to add an “OCR” button to the toolbar so your users can perform OCR on PDF documents open in Qoppa’s visual […]
What is jPDFEditor
jPDFEditor is a PDF Reader / Annotator / Form Filler / Editor for Java. It is a Java Swing component to: View and markup PDF documents with all kind of graphical or text markup annotations Fill interactive PDF forms. Digitally sign PDF documents Edit or Redact content in PDF document (Text, Image, Path objects) jPDFEditor is […]
Java PDF OCR library sdk
Qoppa offers a PDF OCR solution for Java which supports most languages, including English, German, French, and Spanish as well as Chinese, Japanese and Korean. It is available for Windows®, Mac OS X® and Linux®, in 32 and 64 bit. This is a clean, production-level Java integration of the well-known Tesseract engine with Qoppa’s own advanced […]
JavaScript Support in Java PDF Libraries and Components
Q: Does Qoppa’s PDF library products support JavaScript? A: Yes, Qoppa’s Java PDF SDK API has support JavaScript. How is JavaScript used in PDF documents? Mostly, JavaScript is used in interactive PDF forms in field actions to calculate the value of fields, validate field data to prevent invalid entry and format special fields such as dates, […]
