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Add ConvexHull binding for Contours class

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This commit is contained in:
Michael Smith 2013-02-10 15:03:13 -08:00
parent 4f7968e567
commit 84e5f255df
2 changed files with 19 additions and 0 deletions
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18
src/Contours.cc
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@ -29,6 +29,7 @@ Contour::Init(Handle<Object> target) {
NODE_SET_PROTOTYPE_METHOD(constructor, "area", Area); NODE_SET_PROTOTYPE_METHOD(constructor, "area", Area);
NODE_SET_PROTOTYPE_METHOD(constructor, "arcLength", ArcLength); NODE_SET_PROTOTYPE_METHOD(constructor, "arcLength", ArcLength);
NODE_SET_PROTOTYPE_METHOD(constructor, "approxPolyDP", ApproxPolyDP); NODE_SET_PROTOTYPE_METHOD(constructor, "approxPolyDP", ApproxPolyDP);
NODE_SET_PROTOTYPE_METHOD(constructor, "convexHull", ConvexHull);
NODE_SET_PROTOTYPE_METHOD(constructor, "boundingRect", BoundingRect); NODE_SET_PROTOTYPE_METHOD(constructor, "boundingRect", BoundingRect);
NODE_SET_PROTOTYPE_METHOD(constructor, "minAreaRect", BoundingRect); NODE_SET_PROTOTYPE_METHOD(constructor, "minAreaRect", BoundingRect);
NODE_SET_PROTOTYPE_METHOD(constructor, "isConvex", IsConvex); NODE_SET_PROTOTYPE_METHOD(constructor, "isConvex", IsConvex);
@ -135,6 +136,23 @@ Contour::ApproxPolyDP(const Arguments &args) {
} }
Handle<Value>
Contour::ConvexHull(const Arguments &args) {
HandleScope scope;
Contour *self = ObjectWrap::Unwrap<Contour>(args.This());
int pos = args[0]->NumberValue();
bool clockwise = args[1]->BooleanValue();
cv::Mat hull;
cv::convexHull(cv::Mat(self->contours[pos]), hull, clockwise);
hull.copyTo(self->contours[pos]);
return scope.Close(v8::Null());
}
Handle<Value> Handle<Value>
Contour::BoundingRect(const Arguments &args) { Contour::BoundingRect(const Arguments &args) {
HandleScope scope; HandleScope scope;

1
src/Contours.h
View File

@ -20,6 +20,7 @@ class Contour: public node::ObjectWrap {
static Handle<Value> Area(const v8::Arguments&); static Handle<Value> Area(const v8::Arguments&);
static Handle<Value> ArcLength(const v8::Arguments&); static Handle<Value> ArcLength(const v8::Arguments&);
static Handle<Value> ApproxPolyDP(const v8::Arguments&); static Handle<Value> ApproxPolyDP(const v8::Arguments&);
static Handle<Value> ConvexHull(const v8::Arguments&);
static Handle<Value> BoundingRect(const v8::Arguments&); static Handle<Value> BoundingRect(const v8::Arguments&);
static Handle<Value> MinAreaRect(const v8::Arguments&); static Handle<Value> MinAreaRect(const v8::Arguments&);
static Handle<Value> IsConvex(const v8::Arguments&); static Handle<Value> IsConvex(const v8::Arguments&);