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Sohu Tech Products
Sohu Tech Products
Nov 20, 2024 · Mobile Development

Understanding Apng and Implementing Animation Playback on Android

APNG, a high‑quality animated PNG format offering 24‑bit color and 8‑bit alpha transparency, outperforms GIF in visual fidelity and file size, and on Android can be parsed and rendered via MappedByteBuffer and SurfaceView using background threads to load frames from memory, eliminating I/O lag and UI blocking.

APNGAndroidGraphics Programming
0 likes · 13 min read
Understanding Apng and Implementing Animation Playback on Android
Sohu Tech Products
Sohu Tech Products
Dec 1, 2021 · Mobile Development

Understanding HEIF Image Format and Its Implementation on Android

HEIF (High Efficiency Image File Format) offers superior compression, support for image sequences, depth and transparency, and is natively supported on iOS and Android P, with implementation options via ImageDecoder, BitmapFactory, or conversion to JPEG, though adoption faces compatibility and hardware licensing challenges.

AndroidHEIFHEVC
0 likes · 8 min read
Understanding HEIF Image Format and Its Implementation on Android
Tencent IMWeb Frontend Team
Tencent IMWeb Frontend Team
Dec 13, 2019 · Frontend Development

How to Reverse a Firefox Logo Animation by Manipulating APNG Files

This article explains how to reverse a clockwise‑rotating Firefox logo animation by understanding the APNG file format, identifying frame chunks, and rewriting the binary data with JavaScript to play the frames in reverse order.

APNGJavaScriptanimation reversal
0 likes · 12 min read
How to Reverse a Firefox Logo Animation by Manipulating APNG Files