1 #ifndef DIMENSION_HH

     2 #define DIMENSION_HH

     3 

     4 class Dimension {

     5 	public:

     6 		uint32_t width;

     7 		uint32_t height;

     8 

     9 		Dimension (uint32_t width, uint32_t height) : width(width), height(height) { }

    10 };

    11 

    12 class Coordinate {

    13 	public:

    14 		uint32_t x;

    15 		uint32_t y;

    16 

    17 		Coordinate (uint32_t x, uint32_t y) : x(x), y(y) { }

    18 

    19 		Coordinate &operator+= (const PositionDelta &d) {

    20 			this->x += d.dx;

    21 			this->y += d.dy;

    22 		}

    23 

    24 		uint32_t scaledX() {

    25 			// Scale the coordinate so that it 

    26 			// matches the pixel resolution

    27 			return this->x/1;

    28 		}

    29 

    30 		uint32_t scaledY() {

    31 			return this->y/1;

    32 		}

    33 };

    34 

    35 class PositionDelta {

    36 	public:

    37 		uint32_t dx;

    38 		uint32_t dy;

    39 

    40 		PositionDelta (uint32_t dx, uint32_t dy) : dx(dx), dy(dy) { }

    41 };

    42 

    43 #endif