From a347ab682e690eed5488080581a1014c58d640ab Mon Sep 17 00:00:00 2001
From: Peter Braden <peterbraden@peterbraden.co.uk>
Date: Sat, 6 Apr 2013 18:34:08 -0700
Subject: [PATCH] add adjustROI

---
 examples/take-face-pics.js | 29 +++++++++++++++++++++++++++++
 src/HighGUI.cc             |  3 ++-
 src/Matrix.cc              | 34 ++++++++++++++++++++++++++++++++++
 src/Matrix.h               |  4 ++--
 4 files changed, 67 insertions(+), 3 deletions(-)
 create mode 100644 examples/take-face-pics.js

diff --git a/examples/take-face-pics.js b/examples/take-face-pics.js
new file mode 100644
index 0000000..616a02d
--- /dev/null
+++ b/examples/take-face-pics.js
@@ -0,0 +1,29 @@
+var cv = require('../lib/opencv')
+
+var vid = new cv.VideoCapture(0)
+
+
+var snap = function(){
+  vid.read(function(im){
+    im.detectObject(cv.FACE_CASCADE, {}, function(err, faces){
+      if (!faces){
+        console.log("No Faces")
+        return;
+      }
+      var face = faces[0]
+        , ims = im.size()
+      
+      im.adjustROI(
+           -face.y
+         , (face.y + face.height) - ims[0]
+         , -face.x
+         , (face.x + face.width) - ims[1])
+   
+      console.log("!!", im.locateROI());
+      var im2 = im.clone()
+    })
+
+
+  });
+}
+snap()
diff --git a/src/HighGUI.cc b/src/HighGUI.cc
index c793123..942acc6 100644
--- a/src/HighGUI.cc
+++ b/src/HighGUI.cc
@@ -70,7 +70,8 @@ NamedWindow::Destroy(const v8::Arguments& args){
 
 Handle<Value>
 NamedWindow::BlockingWaitKey(const v8::Arguments& args){
-	SETUP_FUNCTION(NamedWindow)
+  HandleScope scope;
+	//SETUP_FUNCTION(NamedWindow)
 	int time = 0;
   if (args.Length() > 0){
     time = args[1]->IntegerValue();
diff --git a/src/Matrix.cc b/src/Matrix.cc
index e9ee76b..ee0f40a 100755
--- a/src/Matrix.cc
+++ b/src/Matrix.cc
@@ -68,6 +68,8 @@ Matrix::Init(Handle<Object> target) {
   NODE_SET_PROTOTYPE_METHOD(constructor, "houghLinesP", HoughLinesP);
 
 	NODE_SET_PROTOTYPE_METHOD(constructor, "inRange", inRange);
+	NODE_SET_PROTOTYPE_METHOD(constructor, "adjustROI", AdjustROI);
+	NODE_SET_PROTOTYPE_METHOD(constructor, "locateROI", LocateROI);
 
 	NODE_SET_METHOD(constructor, "Eye", Eye);
 
@@ -901,3 +903,35 @@ Matrix::inRange(const v8::Arguments& args) {
 
 	return scope.Close(v8::Null());
 }
+
+Handle<Value>
+Matrix::AdjustROI(const v8::Arguments& args) {
+	SETUP_FUNCTION(Matrix)
+  int dtop = args[0]->Uint32Value();
+  int dbottom = args[1]->Uint32Value();
+  int dleft = args[2]->Uint32Value();
+  int dright = args[3]->Uint32Value();
+
+  self->mat.adjustROI(dtop, dbottom, dleft, dright);
+
+  return scope.Close(v8::Null());
+
+}
+
+Handle<Value>
+Matrix::LocateROI(const v8::Arguments& args) {
+	SETUP_FUNCTION(Matrix)
+ 
+  cv::Size wholeSize;
+  cv::Point ofs;
+
+  self->mat.locateROI(wholeSize, ofs);
+
+	v8::Local<v8::Array> arr = v8::Array::New(4);
+	arr->Set(0, Number::New(wholeSize.width));
+	arr->Set(1, Number::New(wholeSize.height));
+	arr->Set(2, Number::New(ofs.x));
+	arr->Set(3, Number::New(ofs.y));
+
+	return scope.Close(arr);
+}
diff --git a/src/Matrix.h b/src/Matrix.h
index cd3184e..d4014fd 100755
--- a/src/Matrix.h
+++ b/src/Matrix.h
@@ -65,6 +65,8 @@ class Matrix: public node::ObjectWrap {
 
     JSFUNC(inRange)
 
+    JSFUNC(LocateROI)
+    JSFUNC(AdjustROI)
 /*
 	static Handle<Value> Val(const Arguments& args);
 	static Handle<Value> RowRange(const Arguments& args);
@@ -86,8 +88,6 @@ class Matrix: public node::ObjectWrap {
 // create, increment, release
     static Handle<Value> PushBack(const Arguments& args);
     static Handle<Value> PopBack(const Arguments& args);
-    static Handle<Value> LocateROI(const Arguments& args);
-    static Handle<Value> AdjustROI(const Arguments& args);
     static Handle<Value> Total(const Arguments& args);
     static Handle<Value> IsContinous(const Arguments& args);
     static Handle<Value> Type(const Arguments& args);