Coordinate: Add std::pair constructor

src/Coordinate.cpp

@@ -33,16 +33,15 @@
 
 using namespace openshot;
 
-// Default constructor for a coordinate, which defaults the X and Y to zero (0,0)
-Coordinate::Coordinate() :
-	X(0), Y(0) {
-}
+// Default constructor for a coordinate, delegating to the full signature
+Coordinate::Coordinate() : Coordinate::Coordinate(0, 0) {};
 
 // Constructor which also allows the user to set the X and Y
-Coordinate::Coordinate(double x, double y) :
-	X(x), Y(y) {
-}
+Coordinate::Coordinate(double x, double y) : X(x), Y(y) {};
 
+// Constructor which accepts a std::pair for (X, Y)
+Coordinate::Coordinate(const std::pair<int, int>& co)
+	: X(co.first), Y(co.second) {};
 
 // Generate JSON string of this object
 std::string Coordinate::Json() const {

src/Coordinate.h

@@ -63,6 +63,10 @@ namespace openshot {
 		/// @param y The Y coordinate (usually representing the value of the property being animated)
 		Coordinate(double x, double y);
 
+		/// @brief Constructor which accepts a std::pair tuple for {X, Y}
+		/// @param co A std::pair<int, int> tuple containing (X, Y)
+		Coordinate(const std::pair<int, int>& co);
+
 		/// Get and Set JSON methods
 		std::string Json() const; ///< Generate JSON string of this object
 		Json::Value JsonValue() const; ///< Generate Json::Value for this object