gitwtfhub

wtf is fximageview?

nicklockwood/fximageview — explained in plain English

Analysis updated 2026-08-08 · repo last pushed 2017-04-01

622Objective-CAudience · developerComplexity · 2/5DormantSetup · easy

TL;DR

An iOS component that lets developers easily add image effects like reflections, shadows, and rounded corners, while loading and processing images in the background to keep apps smooth.

Mindmap

mindmap
  root((repo))
    What it does
      Image effects
      Background loading
      Caching system
    Use cases
      Shopping app photos
      Photo gallery thumbnails
      Custom effects
    Tech stack
      Objective-C
      iOS
    Features
      Drop shadows
      Rounded corners
      Reflections
      Cropping and scaling

Code map

Detail Auto

An interactive map of this repo's files and how they connect — its source is parsed live in your browser. Click Visualize to build it.

filefunction / class

Why would anyone build with this?

REASON 1

Display product photos in a shopping app with reflections and shadows loaded from remote URLs.

REASON 2

Standardize images of different sizes into uniform rounded thumbnails for a photo gallery.

REASON 3

Apply image effects like cropping, masking, and rounding to image files directly using standalone utilities.

REASON 4

Build custom visual effects and run them through the background processing and caching pipeline.

What's in the stack?

Objective-CiOSUIKit

How it stacks up

nicklockwood/fximageviewsteipete/pspushpoppressviewmacpass/macpasshttp
Stars622608199
LanguageObjective-CObjective-CObjective-C
Last pushed2017-04-012012-06-172023-02-24
MaintenanceDormantDormantDormant
Setup difficultyeasyeasyeasy
Complexity2/52/52/5
Audiencedeveloperdevelopergeneral

Figures from each repo's GitHub metadata at analysis time.

How do you spin it up?

Difficulty · easy Time to first run · 5min

Drop-in iOS component, just add the source files to your Xcode project and import the header.

The license terms are not specified in the repository explanation.

Wtf does this do

FXImageView is a tool for iOS app developers that makes it easy to add polish to images without writing complex code. Instead of hand-coding visual effects like reflections, drop shadows, and rounded corners, a developer can just drop an image into this component and turn on the effects they want. It also handles loading images from files or web URLs in the background, so the app stays responsive while images are being fetched or processed. Under the hood, the component manages a queueing and caching system. When an effect like a shadow is applied, the math behind rendering it can take a moment. To prevent the app from stuttering, especially in things like a scrolling image carousel, the tool can process those effects on a background thread and then crossfade the finished image into view. It also caches the finished images so they don't need to be re-rendered every time they appear, and it automatically clears that cache if the device runs low on memory. This would be used by an iOS developer building an app where image presentation matters. For example, someone building a shopping app could use it to display product photos with a subtle reflection and soft shadow, loaded from a remote URL, all without freezing the scrolling experience. A developer building a photo gallery could use the built-in cropping and scaling tools to standardize images of different dimensions into uniform thumbnails with rounded corners. The project also includes a standalone set of image utilities that can be used independently of the main component. These let developers crop, scale, round corners, apply masks, and add reflections or shadows directly to an image file rather than to a view on screen. There is even a hook for developers to write their own custom visual effects, which the tool will then run through the same background processing and caching pipeline.

Yoink these prompts

Prompt 1
How do I use FXImageView to load an image from a remote URL and apply a drop shadow and reflection without blocking my scrolling UI?
Prompt 2
Show me how to use the standalone FXImage utilities to crop, scale, and round corners on an image file without displaying it in a view.
Prompt 3
How can I write a custom image effect for FXImageView and have it processed on a background thread with caching?
Prompt 4
Set up FXImageView in my iOS app to display images with rounded corners that are loaded asynchronously from a web URL.

Frequently asked questions

wtf is fximageview?

An iOS component that lets developers easily add image effects like reflections, shadows, and rounded corners, while loading and processing images in the background to keep apps smooth.

What language is fximageview written in?

Mainly Objective-C. The stack also includes Objective-C, iOS, UIKit.

Is fximageview actively maintained?

Dormant — no commits in 2+ years (last push 2017-04-01).

What license does fximageview use?

The license terms are not specified in the repository explanation.

How hard is fximageview to set up?

Setup difficulty is rated easy, with roughly 5min to a first successful run.

Who is fximageview for?

Mainly developer.

View the repo → Decode another repo

This repo across BitVibe Labs

Don't trust strangers blindly. Verify against the repo.