rect Namespace Reference

Functions
bool	empty (Rect2D r)
Rect2D	getOverlap (Rect2D r1, Rect2D r2)

Function Documentation

empty()

bool rect::empty ( Rect2D  r )

inline

Definition at line 48 of file Coords.h.

                               {
        return (0 >= r.size.row || 0 >= r.size.col);
    }

References Coord2D::col, Coord2D::row, and Rect2D::size.

Referenced by writeBitstreamMain(), and writeBitstreamMainSingleRegion().

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getOverlap()

Rect2D rect::getOverlap ( Rect2D  r1, Rect2D  r2  )

inline

Definition at line 34 of file Coords.h.

                                                  {
        Rect2D retRect;
        retRect.position.col = std::max(r1.position.col, r2.position.col);
        retRect.size.col = std::min((r1.position.col + r1.size.col), (r2.position.col + r2.size.col)) - retRect.position.col;
        if(0 > retRect.size.col)
            retRect.size.col = 0;
        
        retRect.position.row = std::max(r1.position.row, r2.position.row);
        retRect.size.row = std::min((r1.position.row + r1.size.row), (r2.position.row + r2.size.row)) - retRect.position.row;
        if(0 > retRect.size.row)
            retRect.size.row = 0;
        
        return retRect;
    }

References Coord2D::col, Rect2D::position, Coord2D::row, and Rect2D::size.

Referenced by writeBitstreamMain(), and writeBitstreamMainSingleSLR().

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