Package: cairo
Function cairo:image-surface-data
Lambda Listcairo:image-surface-data (surface) ArgumentsReturn Value The pointer to the image data of this surface or nil if surface is not an image surface, or if the cairo:surface-finish function has
been called. Details
Get the pointer to the data of the image surface, for direct inspection or
modification. A call to the cairo:surface-flush function is required before accessing
the pixel data to ensure that all pending drawing operations are finished. A call to the cairo:surface-mark-dirty function is required after the
data is modified. | See also |
2025-1-29