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Merge branch 'issue-150' of github.com:salmanulhaq/node-opencv

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Conflicts:
	examples/convert_image.js
This commit is contained in:
Peter Braden 2014-09-17 22:27:22 +02:00
commit 25c79cd653
3 changed files with 33 additions and 0 deletions
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4
examples/convert_image.js
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@ -6,6 +6,7 @@ cv.readImage("./mona.png", function(err, im) {
img_hsv = im.copy();
img_gray = im.copy();
img_hsv.convertHSVscale();
img_gray.convertGrayscale();
@ -15,6 +16,9 @@ cv.readImage("./mona.png", function(err, im) {
img_hsv.save("/tmp/hsv.png");
img_gray.save("/tmp/gray.png");
img_crop = im.crop(50,50,250,250);
img_crop.save("crop.png");
console.log("Guardado");
});

27
src/Matrix.cc
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@ -55,6 +55,8 @@ Matrix::Init(Handle<Object> target) {
NODE_SET_PROTOTYPE_METHOD(constructor, "pyrUp", PyrUp);
NODE_SET_PROTOTYPE_METHOD(constructor, "channels", Channels);
NODE_SET_PROTOTYPE_METHOD(constructor, "crop", Crop);
NODE_SET_PROTOTYPE_METHOD(constructor, "convertGrayscale", ConvertGrayscale);
NODE_SET_PROTOTYPE_METHOD(constructor, "convertHSVscale", ConvertHSVscale);
NODE_SET_PROTOTYPE_METHOD(constructor, "gaussianBlur", GaussianBlur);
@ -318,6 +320,31 @@ Matrix::Clone(const Arguments& args){
return scope.Close(im_h);
}
Handle<Value>
Matrix::Crop(const Arguments& args){
SETUP_FUNCTION(Matrix)
if ((args.Length() == 4) && (args[0]->IsNumber()) && (args[1]->IsNumber()) && (args[2]->IsNumber()) && (args[3]->IsNumber())){
int x = args[0]->IntegerValue();
int y = args[1]->IntegerValue();
int width = args[2]->IntegerValue();
int height = args[3]->IntegerValue();
cv::Rect roi(x, y, width, height);
Local<Object> im_h = Matrix::constructor->GetFunction()->NewInstance();
Matrix *m = ObjectWrap::Unwrap<Matrix>(im_h);
m->mat = self->mat(roi);
return scope.Close(im_h);
}
else{
return scope.Close(v8::String::New("Insufficient or wrong arguments"));
}
}
Handle<Value>
Matrix::Row(const Arguments& args){
SETUP_FUNCTION(Matrix)

2
src/Matrix.h
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@ -73,6 +73,8 @@ class Matrix: public node::ObjectWrap {
JSFUNC(GoodFeaturesToTrack)
JSFUNC(HoughLinesP)
JSFUNC(Crop)
JSFUNC(inRange)
JSFUNC(LocateROI)