Quantcast
Channel: PDF tips & tricks
Browsing all 125 articles
Browse latest View live

How to copy pages from one PDF document to another

IntroductionCopying pages between PDF documents can be seen as a special case of merging described in one of the earlier posts. A small piece of code below shows how to perform this task if you have...

View Article


Image may be NSFW.
Clik here to view.

How to use background images for content elements in PDF

IntroductionEvery content element defined in FlowLayout API subset provided by Apitron PDF Kit .NET component can have background set using solid color or an image. Background property can be used for...

View Article


Image may be NSFW.
Clik here to view.

How to set fallback fonts for PDF rendering and creation

IntroductionPDF specification allows authors and software writers to create completely self-contained documents which include all necessary information for their rendering. It provides font data...

View Article

Image may be NSFW.
Clik here to view.

Working with transparent images in PDF

IntroductionTransparency in PDF can be specified using various methods and depends on desired effect, all possible techniques are discussed in details in our free book Apitron PDF Kit in Action in...

View Article

Image may be NSFW.
Clik here to view.

How to check whether the document uses PDF/A standard

IntroductionPDF/A is a special topic not much can be found about, so we have covered the creation of PDF/A documents our recent blog post. Sometimes you may need to check whether the PDF document...

View Article


How to avoid the out of memory exception when rendering or reading PDF files

IntroductionRendering or reading PDF files can be tricky sometimes because of abnormal PDF resource size and device memory limitation constraint overlapping with each other. The most common problem is...

View Article

Image may be NSFW.
Clik here to view.

How to sign the already signed PDF document

IntroductionDigital signatures provide a reliable way to sign documents and verify the identity of the signing person(s). They are used nowadays in many areas of our everyday workflow, and, when it...

View Article

Image may be NSFW.
Clik here to view.

How to create round-rect borders in PDF

IntroductionYou can create cool visual effects using the flow layout API provided by Apitron PDF Kit. One of such effects is the support border-radius property offered by content elements. This...

View Article


Image may be NSFW.
Clik here to view.

ICC color profiles and ICC-based colors in PDF

IntroductionIn color management, an ICC profile is a specific set of data that defines the color representation of the color reproduction device. Common term for this characteristic is “colorspace”....

View Article


Image may be NSFW.
Clik here to view.

Convert and view PDF documents in Xamarin Forms applications

IntroductionXamarin.Forms offers you a flexible cross-platform alternative to create data entry applications targeting multiple platforms at once. Sometimes you might need to create PDF file based on...

View Article

Image may be NSFW.
Clik here to view.

How to create PDF forms in Xamarin.Forms applications

IntroductionXamarin.Forms might be the best fit technology for cross-platform forms data processing applications as its name suggests. Nowadays we have lots of forms to fill, and many apps emerge to...

View Article

Image may be NSFW.
Clik here to view.

Web PDF viewer implemented as single page web application using AngularJS and...

IntroductionThere’s a trend to implement web applications as so-called Single Page Applications or SPA for short. These are apps that do most of their job in asynchronous and user-responsive way...

View Article

Image may be NSFW.
Clik here to view.

Unicode bi-directional and right to left text in PDF documents

IntroductionApitron PDF Kit for .NET component fully supports right to left texts written in languages such as Arabic, Hebrew and others, as well as bi-directional writings created by mixing RTL and...

View Article


Image may be NSFW.
Clik here to view.

How to create PDF documents from XML templates

IntroductionIn addition to Fixed layout API, the Apitron PDF Kit for .NET component provides a Flow layout API which supports css-like styling, and is very similar to HTML in terms of elements...

View Article

Image may be NSFW.
Clik here to view.

How to resize PDF pages and stamp PDF documents

IntroductionMany custom workflows which are in use in small and big companies implement incoming PDF documents processing and stamping for tracking, archiving, and later use. These docs can be of any...

View Article


Image may be NSFW.
Clik here to view.

How to add header and footer to PDF page

IntroductionVery often, when you generate company specific PDF documents, you have to repeatedly add blocks of information containing logos or security notices to each page, thus adding footer or...

View Article

Image may be NSFW.
Clik here to view.

How to apply clipping mask for drawings on PDF page

IntroductionWhen you work on PDF export feature for your custom CAD application or just want to take advantage of the advanced PDF drawing capabilities you often need the clipping feature. The PDF...

View Article


Image may be NSFW.
Clik here to view.

How to flatten PDF form fields

IntroductionMany of you became familiar with PDF forms either as developers or as citizens needed to report taxes or request some service from the government. PDF forms are everywhere now and in this...

View Article

Image may be NSFW.
Clik here to view.

How to implement gradient fills using shadings and shading patterns in PDF

Introduction PDF is not only about text data storage, but it also specifies a rich set of drawing operations making it possible to achieve very complex visual effects. In this article we’ll talk about...

View Article

Apitron PDF Kit and Apitron PDF Rasterizer - engine settings explained

IntroductionApitron PDF Kit for .NET and Apitron PDF Rasterizer for .NET both share a common approach for fine tuning their internal engines PDF processing engines. One may use EngineSettingsclass for...

View Article
Browsing all 125 articles
Browse latest View live