love-webp is a LÖVE library (pure Lua) to handle WebP files.
It depends on LuaJIT (FFI), webp and webpdemux C shared libraries.
See examples (copy the library and launch the directory with LÖVE).
See src.
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webp and webpdemux shared libraries must be available (system path / executable directory).
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-- load WebP image
-- data: string, Data or cdata
-- size: (optional) for cdata
-- return ImageData or nil on failure
M.loadImage(data, size)
-- load WebP frames
-- data: string, Data or cdata
-- size: (optional) for cdata
-- return (ImageData list, end_timestamp list, loops) or nil on failure
M.loadImages(data, size)
-- load WebP animation
-- The provided data must be alive/constant for the animation lifetime (internally referenced).
-- Frames are decoded/streamed from memory.
--
-- data: string, Data or cdata
-- size: (optional) for cdata
-- return Animation or nil
M.loadAnimation(data, size)self.image -- ImageData (current frame)
self.texture -- Image (current frame)
self.time -- current animation time in seconds (for a specific loop)
self.current_frame -- frame index (0-based, for a specific loop)
self.current_loop -- loop index (0-based)
self.frames -- number of frames
self.loops -- number of loops
self.playing -- boolean
self.ended -- boolean
self.info -- WebPAnimInfo cdata
-- resume animation
-- (ended animations must be stopped before being played again)
Animation:play()
-- stop animation (reset to first frame)
Animation:stop()
-- pause animation
Animation:pause()
-- advance animation (if playing)
-- There is no seeking, all frames are decoded in order.
--
-- dt: seconds
Animation:tick(dt)