Yearly Archives: 2021

Convert EPUB to PDF Programmatically with Java

EPUB files are used for publishing purposes on large scale. Publishing of books, brochures, for instance. Moreover, EPUB to PDF conversion is useful for making the file compatible with more system environments and operating systems. Let us explore different use cases related to EPUB to PDF conversion programmatically using Java.

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Convert PowerPoint to JPG using C++

Microsoft PowerPoint is a powerful and feature-rich software that allows you to create beautiful slides to use in your meetings. Even though PowerPoint is great for presentation purposes, it is not ideal for displaying content on the web, especially if the content is for information purposes only. For this, the better option would be to convert the PPTX files to images such as JPEG or PNG. In this article, you will learn how to convert PowerPoint to JPG programmatically using C++.

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Extract Text from PowerPoint Files using C#

You may often need to extract text from the PowerPoint slides in order to perform text analysis. On the other hand, you may want to extract and save the text in a file or database for further processing. In accordance with that, this article covers how to extract text from PowerPoint presentations using C#. Particularly, you will learn how to extract text from a specific slide or whole presentation.

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Convert Excel Files to PDF in Node.js

Excel spreadsheets are commonly used to store and analyze data in the form of rows and columns. However, in various cases, you need to convert the Excel files to PDF before sharing them over the internet. In order to automate Excel to PDF conversion, this article shows how to convert Excel files to PDF programmatically using Node.js. Furthermore, advanced options to customize the Excel to PDF conversion are also discussed.

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Apply Matrix, Global, Local, World Coordinate Transformation in C#

Coordinate systems are important while working with graphics and shapes. The coordinate axis can be rotated for obtaining new axes through the same origin. Let us explore the following coordinate transformations including Matrix, Global, Local, and World transformations programmatically using C# language. Moreover, you will be able to understand the following transformations after going through this article:

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Convert PowerPoint to PDF using C++

Many organizations use PowerPoint presentations for meetings or other group discussion scenarios. There might be situations where you need to share the same information with other people. In such cases, you may either choose PPTX or PDF format. If the file is to be used for presentations only, then the PPTX file format is acceptable. But if the file is to be shared for information purposes, then the PDF format is a better and user-friendly option. In this article, you will learn how to convert PowerPoint slides to PDF format using C++.

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Work with Table of Contents in Word Document using C#

Table of Contents (TOC) in a Word document gives you an overview of what a document contains. Furthermore, it lets you navigate to a particular section of the document. In this article, you will learn how to work with a table of contents in Word documents programmatically using C#. Particularly, this article covers how to add, extract, update or remove a table of contents in Word documents.

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Convert GeoJson to TopoJson and vice versa using C#

GeoJSON is used for representing geographical features with non-spatial features. Whereas, TopoJSON is an extension of GeoJSON that utilizes Topology. You can convert GeoJSON to TopoJSON as well as TopoJSON to GeoJSON as per your requirements.

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Generate PDF File from Images using Java

In various cases, you may need to convert a collection of images to a PDF file. For example, you may want to insert all images from an album into a single PDF file. On the other hand, you may need to generate PDF from the images of a scanned document. In order to deal with such cases, this article covers how to generate a PDF from multiple images using Java.

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Add, Insert, or Draw Text on PNG, JPEG, TIFF, Icon, GIF Image using C#

We see or create a lot of images for visual information. Sometimes you need to add or draw text on an image in such a manner that nobody else can modify that text. Image watermark is one of the most common examples. Likewise, labeling or reviewing images may also require drawing text.

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