From 4ce14beb967c84cd2e6ac428ef9e75ae165ff982 Mon Sep 17 00:00:00 2001
From: Tim Park <timfpark@gmail.com>
Date: Sun, 28 Jul 2013 11:25:01 -0700
Subject: [PATCH] Add bitwiseXor and absDiff to Matrix operations

---
 src/Matrix.cc | 29 +++++++++++++++++++++++++++++
 src/Matrix.h  |  2 ++
 2 files changed, 31 insertions(+)

diff --git a/src/Matrix.cc b/src/Matrix.cc
index 8a254b2..b93c671 100755
--- a/src/Matrix.cc
+++ b/src/Matrix.cc
@@ -58,7 +58,9 @@ Matrix::Init(Handle<Object> target) {
 	NODE_SET_PROTOTYPE_METHOD(constructor, "flip", Flip);
 	NODE_SET_PROTOTYPE_METHOD(constructor, "roi", ROI);
 	NODE_SET_PROTOTYPE_METHOD(constructor, "ptr", Ptr);
+	NODE_SET_PROTOTYPE_METHOD(constructor, "absDiff", AbsDiff);
 	NODE_SET_PROTOTYPE_METHOD(constructor, "addWeighted", AddWeighted);
+	NODE_SET_PROTOTYPE_METHOD(constructor, "bitwiseXor", BitwiseXor);
 	NODE_SET_PROTOTYPE_METHOD(constructor, "split", Split);
 	NODE_SET_PROTOTYPE_METHOD(constructor, "canny", Canny);
     NODE_SET_PROTOTYPE_METHOD(constructor, "dilate", Dilate);
@@ -767,6 +769,20 @@ Matrix::Ptr(const v8::Arguments& args) {
 //  return Undefined();
 }
 
+Handle<Value>
+Matrix::AbsDiff(const v8::Arguments& args) {
+	HandleScope scope;
+
+	Matrix *self = ObjectWrap::Unwrap<Matrix>(args.This());
+
+	Matrix *src1 = ObjectWrap::Unwrap<Matrix>(args[0]->ToObject());
+	Matrix *src2 = ObjectWrap::Unwrap<Matrix>(args[1]->ToObject());
+
+	cv::absdiff(src1->mat, src2->mat, self->mat);
+
+	return scope.Close(v8::Null());
+}
+
 Handle<Value>
 Matrix::AddWeighted(const v8::Arguments& args) {
 	HandleScope scope;
@@ -786,6 +802,19 @@ Matrix::AddWeighted(const v8::Arguments& args) {
 	return scope.Close(v8::Null());
 }
 
+Handle<Value>
+Matrix::BitwiseXor(const v8::Arguments& args) {
+	HandleScope scope;
+
+	Matrix *self = ObjectWrap::Unwrap<Matrix>(args.This());
+
+	Matrix *src1 = ObjectWrap::Unwrap<Matrix>(args[0]->ToObject());
+	Matrix *src2 = ObjectWrap::Unwrap<Matrix>(args[1]->ToObject());
+
+	cv::bitwise_xor(src1->mat, src2->mat, self->mat);
+
+	return scope.Close(v8::Null());
+}
 
 Handle<Value>
 Matrix::Split(const v8::Arguments& args) {
diff --git a/src/Matrix.h b/src/Matrix.h
index 5fe490a..5197001 100755
--- a/src/Matrix.h
+++ b/src/Matrix.h
@@ -53,7 +53,9 @@ class Matrix: public node::ObjectWrap {
     JSFUNC(Flip)
     JSFUNC(ROI)
     JSFUNC(Ptr)
+    JSFUNC(AbsDiff)
     JSFUNC(AddWeighted)
+    JSFUNC(BitwiseXor)
     JSFUNC(Split)
     JSFUNC(Canny)
     JSFUNC(Dilate)