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Added remap

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This commit is contained in:
Max Ehrlich 2015-01-27 12:55:32 -05:00
parent 51be174b6e
commit 3d09bb30ea
2 changed files with 51 additions and 2 deletions
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51
src/ImgProc.cc
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@ -9,6 +9,7 @@ void ImgProc::Init(Handle<Object> target)
NODE_SET_METHOD(obj, "undistort", Undistort);
NODE_SET_METHOD(obj, "initUndistortRectifyMap", InitUndistortRectifyMap);
NODE_SET_METHOD(obj, "remap", Remap);
target->Set(NanNew("imgproc"), obj);
}
@ -82,9 +83,9 @@ NAN_METHOD(ImgProc::InitUndistortRectifyMap)
if (args[4]->IsArray()) {
Local<Object> v8sz = args[4]->ToObject();
imageSize = cv::Size(v8sz->Get(0)->IntegerValue(), v8sz->Get(1)->IntegerValue());
imageSize = cv::Size(v8sz->Get(1)->IntegerValue(), v8sz->Get(0)->IntegerValue());
} else {
JSTHROW_TYPE("Must pass pattern size");
JSTHROW_TYPE("Must pass image size");
}
// Arg 5 is the first map type, skip for now
@ -120,3 +121,49 @@ NAN_METHOD(ImgProc::InitUndistortRectifyMap)
NanReturnUndefined();
}
}
// cv::remap
NAN_METHOD(ImgProc::Remap)
{
NanEscapableScope();
try {
// Get the arguments
// Arg 0 is the image
Matrix* m0 = ObjectWrap::Unwrap<Matrix>(args[0]->ToObject());
cv::Mat inputImage = m0->mat;
// Arg 1 is the first map
Matrix* m1 = ObjectWrap::Unwrap<Matrix>(args[1]->ToObject());
cv::Mat map1 = m1->mat;
// Arg 2 is the second map
Matrix* m2 = ObjectWrap::Unwrap<Matrix>(args[2]->ToObject());
cv::Mat map2 = m2->mat;
// Arg 3 is the interpolation mode
int interpolation = args[3]->IntegerValue();
// Args 4, 5 border settings, skipping for now
// Output image
cv::Mat outputImage;
// Remap
cv::remap(inputImage, outputImage, map1, map2, interpolation);
// Wrap the output image
Local<Object> outMatrixWrap = NanNew(Matrix::constructor)->GetFunction()->NewInstance();
Matrix *outMatrix = ObjectWrap::Unwrap<Matrix>(outMatrixWrap);
outMatrix->mat = outputImage;
// Return the image
NanReturnValue(outMatrixWrap);
} catch (cv::Exception &e) {
const char *err_msg = e.what();
NanThrowError(err_msg);
NanReturnUndefined();
}
}

2
src/ImgProc.h
View File

@ -12,6 +12,8 @@ public:
static NAN_METHOD(Undistort);
static NAN_METHOD(InitUndistortRectifyMap);
static NAN_METHOD(Remap);
};
#endif