libpng-apng v1.0.1+apng.1.6.37 (2021-07-01T18:04:23Z)

png_set_filter_heuristics

libpng png
Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
version(!PNG_VERSION_INFO_ONLY)
extern (C)
static if(PNG_WRITE_SUPPORTED)
static if(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED)
void
png_set_filter_heuristics
(
png_structrp png_ptr
,
int heuristic_method
,
int num_weights
,
png_const_doublep filter_weights
,
png_const_doublep filter_costs
)

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