NetEase Cloud Music Tech Team
Aug 6, 2020 · Frontend Development
APNG Animation Implementation: Canvas 2D and WebGL Rendering
The article explains APNG’s file structure and decoding process, then demonstrates how to render animated PNGs on the web using both Canvas 2D (with drawImage, clearRect, getImageData, putImageData) and WebGL (via multiple textures and custom disposal/blending handling) for efficient, controllable animation playback.
APNGBinary DataCanvas 2D
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