From 28750d127543e9547cbc21176e18ecabc5d08b19 Mon Sep 17 00:00:00 2001
From: Salman <salman@tunacode.com>
Date: Sat, 3 May 2014 16:30:13 +0500
Subject: [PATCH] Added setWidth and setHeight for VideoCapture issue #126

---
 src/VideoCaptureWrap.cc | 27 +++++++++++++++++++++++++++
 src/VideoCaptureWrap.h  |  4 ++++
 2 files changed, 31 insertions(+)

diff --git a/src/VideoCaptureWrap.cc b/src/VideoCaptureWrap.cc
index d28ae50..a98ff69 100755
--- a/src/VideoCaptureWrap.cc
+++ b/src/VideoCaptureWrap.cc
@@ -2,6 +2,9 @@
 #include "Matrix.h"
 #include "OpenCV.h"
 
+#include  <iostream>
+using namespace std;
+
 
 void AsyncRead(uv_work_t *req);
 void AfterAsyncRead(uv_work_t *req);
@@ -31,6 +34,8 @@ VideoCaptureWrap::Init(Handle<Object> target) {
 	//Local<ObjectTemplate> proto = constructor->PrototypeTemplate();
 
 	NODE_SET_PROTOTYPE_METHOD(constructor, "read", Read);
+	NODE_SET_PROTOTYPE_METHOD(constructor, "setWidth", SetWidth);
+	NODE_SET_PROTOTYPE_METHOD(constructor, "setHeight", SetHeight);
 
 	target->Set(String::NewSymbol("VideoCapture"), constructor->GetFunction());
 };    
@@ -77,6 +82,28 @@ VideoCaptureWrap::VideoCaptureWrap(const std::string& filename){
 
 }
 
+Handle<Value>
+VideoCaptureWrap::SetWidth(const Arguments &args){
+
+	HandleScope scope;
+	VideoCaptureWrap *v = ObjectWrap::Unwrap<VideoCaptureWrap>(args.This());
+
+	if(v->cap.isOpened())
+		v->cap.set(CV_CAP_PROP_FRAME_WIDTH, 320);
+
+	return Undefined();
+}
+
+Handle<Value>
+VideoCaptureWrap::SetHeight(const Arguments &args){
+
+	HandleScope scope;
+	VideoCaptureWrap *v = ObjectWrap::Unwrap<VideoCaptureWrap>(args.This());
+
+	v->cap.set(CV_CAP_PROP_FRAME_HEIGHT, 240);
+
+	return Undefined();
+}
 
 Handle<Value>
 VideoCaptureWrap::Read(const Arguments &args) {
diff --git a/src/VideoCaptureWrap.h b/src/VideoCaptureWrap.h
index 397ee27..5d5f96c 100755
--- a/src/VideoCaptureWrap.h
+++ b/src/VideoCaptureWrap.h
@@ -13,6 +13,10 @@ class VideoCaptureWrap: public node::ObjectWrap {
 
       static Handle<Value> Read(const v8::Arguments&);
 
+      //(Optional) For setting width and height of the input video stream 
+	  static Handle<Value> SetWidth(const v8::Arguments&);
+	  static Handle<Value> SetHeight(const v8::Arguments&);      
+
 
       static Handle<Value> GetFrameAt(const v8::Arguments&);