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rect.h

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/*
        $Id: rect.h,v 1.14 2001/03/04 17:54:47 mbn Exp $

        ------------------------------------------------------------------------
        ClanLib, the platform independent game SDK.

        This library is distributed under the GNU LIBRARY GENERAL PUBLIC LICENSE
        version 2. See COPYING for details.

        For a total list of contributers see CREDITS.

        ------------------------------------------------------------------------

        File purpose:
                Rect class.

*/


#ifndef header_rect
#define header_rect

class CL_Rect
{
public:
        int x1, y1;
        int x2, y2;
        
public:
        CL_Rect() : x1(0), y1(0), x2(0), y2(0) { }
        CL_Rect(int nx1, int ny1, int nx2, int ny2) : x1(nx1), y1(ny1), x2(nx2), y2(ny2) { }
        
        CL_Rect(const CL_Rect &rect)
        {
                this->x1 = rect.x1;
                this->x2 = rect.x2;
                this->y1 = rect.y1;
                this->y2 = rect.y2;
        };

        static CL_Rect center(int center_x, int center_y, int width, int height)
        {
                return CL_Rect(
                        center_x - width/2,
                        center_y - height/2,
                        center_x + width/2,
                        center_y + height/2);
        }

        static CL_Rect left(int x, int y, int width, int height, bool center_vert = true)
        {
                return CL_Rect(
                        x - width,
                        center_vert ? (y - height/2) : y,
                        x,
                        center_vert ? (y + height/2) : y);
        }

        static CL_Rect right(int x, int y, int width, int height, bool center_vert = true)
        {
                return CL_Rect(
                        x,
                        center_vert ? (y - height/2) : y,
                        x + width,
                        center_vert ? (y + height/2) : y);
        }

        bool operator == (const CL_Rect &rect) const;

        void move(int delta_x, int delta_y)
        {
                x1 += delta_x;
                x2 += delta_x;
                y1 += delta_y;
                y2 += delta_y;
        };

        bool inside(int x, int y) const
        {
                return x >= x1 && y >= y1 && x < x2 && y < y2;
        }

        int get_width() const { return x2 - x1; };
        int get_height() const { return y2 - y1; };
};

#endif

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