1 files changed, 104 insertions, 0 deletions
diff --git a/common/rect.h b/common/rect.h
new file mode 100644
index 0000000000..0dbc8ab6b6
--- /dev/null
+++ b/common/rect.h
@@ -0,0 +1,104 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef COMMON_RECT_H
+#define COMMON_RECT_H
+
+#include "scummsys.h"
+
+namespace ScummVM {
+
+/*! 	@brief simple class for handling both 2D position and size
+
+	This small class is an helper for position and size values.
+*/
+class Point {
+	friend class Rect;
+private:
+	int32 _x;	//!< The horizontal part of the point
+	int32 _y;	//!< The vertical part of the point
+public:
+	Point() : _x(0), _y(0) {};
+	Point(const Point & p) : _x(p._x), _y(p._y) {};
+	explicit Point(int32 x, int32 y) : _x(x), _y(y) {};
+	Point & operator=(const Point & p) { _x = p._x; _y = p._y; return *this; };
+	bool operator==(const Point & p) const { return _x == p._x && _y == p._y; };
+	const int32 & getX() const { return _x; };
+	const int32 & getY() const { return _y; };
+	int32 & getX() { return _x; };
+	int32 & getY() { return _y; };
+	Point operator+(const Point & p) const { return Point(_x + p._x, _y+p._y); };
+	Point operator-(const Point & p) const { return Point(_x - p._x, _y-p._y); };
+	Point & operator+=(const Point & p) { _x += p._x; _y += p._y; return *this; };
+	Point & operator-=(const Point & p) { _x -= p._x; _y -= p._y; return *this; };
+	bool isOrigin() const { return _x == 0 && _y == 0; };
+	void set(int32 x, int32 y) { _x = x; _y = y; }
+};
+
+/*! 	@brief simple class for handling a rectangular zone.
+
+	This small class is an helper for rectangles.
+	It is mostly used by the blitter class.
+*/
+class Rect {
+private:
+	Point _topLeft;		//!< The point at the top left of the rectangle
+	Point _bottomRight;	//!< The point at the bottom right of the rectangle
+public:
+	Rect() : _topLeft(0, 0), _bottomRight(0,0) {}
+	Rect(int32 x, int32 y) : _topLeft(0, 0), _bottomRight(x, y) {}
+	Rect(int32 x1, int32 y1, int32 x2, int32 y2) : _topLeft(x1, y1), _bottomRight(x2, y2) {}
+	Point size() const { return (_bottomRight - _topLeft); };
+	int32 width() const { return size()._x; }
+	int32 height() const { return size()._y; }
+	int32 left() const { return _topLeft._x; }
+	int32 right() const { return _bottomRight._x; }
+	int32 top() const { return _topLeft._y; }
+	int32 bottom() const { return _bottomRight._y; }
+	const Point & topLeft() const { return _topLeft; }
+	const Point & bottomRight() const { return _bottomRight; }
+
+	/*!	@brief check if given position is inside the rectangle
+		
+		@param x the horizontal position to check
+		@param y the vertical position to check	
+		
+		@return true if the given position is inside the rectangle, false otherwise
+	*/
+	bool isInside(int32 x, int32 y) const {
+		return (_topLeft._x <= x) && (_bottomRight._x > x) && (_topLeft._y <= y) && (_bottomRight._y > y);
+	}
+	/*!	@brief check if given point is inside the rectangle
+		
+		@param p the point to check
+		
+		@return true if the given point is inside the rectangle, false otherwise
+	*/
+	bool isInside(const Point & p) const {
+		return (_topLeft._x <= p._x) && (_bottomRight._x > p._x) && (_topLeft._y <= p._y) && (_bottomRight._y > p._y);
+	}
+
+	bool clip(Rect & r) const;
+};
+
+};	// End of namespace ScummVM
+
+#endif