mirror of
https://github.com/peterbraden/node-opencv.git
synced 2025-12-08 19:45:55 +00:00
ec09e0bdde
Now building and passing tests locally in node v0.10.40 v0.12.7 and v4.1.1. Other modules would not build at node lower than v0.10, so I stopped there.
73 lines
2.0 KiB
C++
Executable File
73 lines
2.0 KiB
C++
Executable File
#include "Point.h"
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#include "OpenCV.h"
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Nan::Persistent<FunctionTemplate> Point::constructor;
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void Point::Init(Local<Object> target) {
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Nan::HandleScope scope;
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// Constructor
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Local<FunctionTemplate> ctor = Nan::New<FunctionTemplate>(Point::New);
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constructor.Reset(ctor);
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ctor->InstanceTemplate()->SetInternalFieldCount(1);
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ctor->SetClassName(Nan::New("Point").ToLocalChecked());
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// Prototype
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Local<ObjectTemplate> proto = ctor->PrototypeTemplate();
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Nan::SetAccessor(proto, Nan::New("x").ToLocalChecked(), GetX, RaiseImmutable);
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Nan::SetAccessor(proto, Nan::New("y").ToLocalChecked(), GetY, RaiseImmutable);
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Nan::SetPrototypeMethod(ctor, "dot", Dot);
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target->Set(Nan::New("Point").ToLocalChecked(), ctor->GetFunction());
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};
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NAN_METHOD(Point::New) {
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Nan::HandleScope scope;
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if (info.This()->InternalFieldCount() == 0) {
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return Nan::ThrowTypeError("Cannot Instantiate without new");
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}
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double x = 0, y = 0;
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if (info[0]->IsNumber()) {
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x = info[0]->NumberValue();
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}
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if (info[1]->IsNumber()) {
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y = info[1]->NumberValue();
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}
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Point *pt = new Point(x, y);
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pt->Wrap(info.This());
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info.GetReturnValue().Set(info.This());
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}
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NAN_GETTER(Point::GetX) {
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Nan::HandleScope scope;
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Point *pt = Nan::ObjectWrap::Unwrap<Point>(info.This());
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info.GetReturnValue().Set(Nan::New<Number>(pt->point.x));
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}
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NAN_GETTER(Point::GetY) {
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Nan::HandleScope scope;
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Point *pt = Nan::ObjectWrap::Unwrap<Point>(info.This());
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info.GetReturnValue().Set(Nan::New<Number>(pt->point.y));
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}
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NAN_SETTER(Point::RaiseImmutable) {
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Nan::ThrowTypeError("Point is immutable");
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}
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NAN_METHOD(Point::Dot) {
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Nan::HandleScope scope;
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Point *p1 = Nan::ObjectWrap::Unwrap<Point>(info.This());
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Point *p2 = Nan::ObjectWrap::Unwrap<Point>(info[0]->ToObject());
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// Since V 2.3 Native Dot no longer supported
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info.GetReturnValue().Set(Nan::New<Number>(p1->point.x * p2->point.x + p1->point.y * p2->point.y));
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}
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Point::Point(double x, double y) :
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Nan::ObjectWrap() {
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point = cvPoint2D32f(x, y);
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}
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