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encode_gray_alpha

hpvca

Function encode_gray_alpha 

Source 
pub fn encode_gray_alpha(
    ya: &[u8],
    width: u32,
    height: u32,
    cfg: &EncodeConfig,
) -> Result<Vec<u8>, EncodeError>
Expand description

Encode a packed 8-bit grayscale + alpha image to HEIC. Alpha is discarded. Use encode_gray_alpha_with_alpha to preserve it.

ya must hold exactly width * height * 2 bytes in Y, A order.