haveImageWriter function

bool haveImageWriter(
  1. String filename
)

Returns true if an image with the specified filename can be encoded by OpenCV.

https://docs.opencv.org/4.10.0/d4/da8/group__imgcodecs.html#gac4fa9c4c32b58c55059752c0490d3f20

Implementation

bool haveImageWriter(String filename) {
  final cname = filename.toNativeUtf8().cast<ffi.Char>();
  final rval = cimgcodecs.cv_haveImageWriter(cname);
  calloc.free(cname);
  return rval;
}