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compensate for any padding in getData

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This commit is contained in:
Andreas Gal 2016-09-05 13:01:18 -07:00
parent 870ffb56c2
commit 19067e5aff
1 changed files with 7 additions and 1 deletions
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8
src/Matrix.cc
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@ -320,7 +320,13 @@ NAN_METHOD(Matrix::GetData) {
int size = self->mat.rows * self->mat.cols * self->mat.elemSize1();
Local<Object> buf = Nan::NewBuffer(size).ToLocalChecked();
uchar* data = (uchar*) Buffer::Data(buf);
memcpy(data, self->mat.data, size);
// if there is padding after each row, clone first to get rid of it
if (self->mat.dims == 2 && self->mat.step[0] != self->mat.size[1]) {
cv::Mat copy = self->mat.clone();
memcpy(data, copy.data, size);
} else {
memcpy(data, self->mat.data, size);
}
v8::Local<v8::Object> globalObj = Nan::GetCurrentContext()->Global();
v8::Local<v8::Function> bufferConstructor = v8::Local<v8::Function>::Cast(globalObj->Get(Nan::New<String>("Buffer").ToLocalChecked()));