Blog Archives

5-Minute-Snack: Base64 encode and decode images in Delphi

Quite some time ago, I blogged about how to encode and decode data as Base64. The post is still accessed on a regular basis. However, I have received a question multiple times and want to provide the solution: How can images be encoded and decoded?

The key lies in the polymorphism of TPicture that allows you to implement a solution that is not even depending on one file format.

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Download an image from the web and assign a stream to TPicture (for any image format)

I struggled with this myself when implementing the Pexels component. The problem is rather simple: You download an image from the web, end up with data in a stream and want to use a bitmap to use the image in your application. The tasks presents itself as rather complex due to the flexibility that Delphi offers in this regard.

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