QTS no. 17 - Primitive rounded rectangle drawing function

/*
-----------------------------------------
* Game hacking QTS ( Quickie Tip Series )
* no. 17 - Primitive rounded rectangle drawing function
-----------------------------------------
* Author: SEGnosis  - GHAnon.net
* Thanks to:
* bitterbanana      - No known site
* Drunken Cheetah   - No known site
* fatboy88      - No known site
* Geek4Ever         - No known site
* learn_more        - www.uc-forum.com
* Novocaine         - http://ilsken.net/blog/?page_id=64
* Philly0494        - No known site
* Roverturbo        - www.uc-forum.com
* SilentKarma       - www.halocoders.com - offline
* Strife        - www.uc-forum.com
* Wieter20      - No known site
*/

//----------------------------------//
void Rounded( int x, int y, int w, int h, int iSmooth, D3DCOLOR Color )
{
    POINT pt[ 4 ];

    // Get all corners
    pt[ 0 ].x = x + ( w - iSmooth );
    pt[ 0 ].y = y + ( h - iSmooth );

    pt[ 1 ].x = x + iSmooth;
    pt[ 1 ].y = y + ( h - iSmooth );

    pt[ 2 ].x = x + iSmooth;
    pt[ 2 ].y = y + iSmooth;

    pt[ 3 ].x = x + w - iSmooth;
    pt[ 3 ].y = y + iSmooth;


    // Draw cross
    CDraw.Rect( x, y + iSmooth, w, h - iSmooth * 2, Color );

    CDraw.Rect( x + iSmooth, y, w - iSmooth * 2, h, Color );


    float fDegree = 0;

    for( int i = 0; i < 4; i++ )
    {
        for( float k = fDegree; k < fDegree + PI_SQUARED/4; k += D3DXToRadian( 1 ) )
        {
            // Draw quarter circles on every corner
            CDraw.Line( pt[ i ].x, pt[ i ].y,
                pt[ i ].x + ( cosf( k ) * iSmooth ),
                pt[ i ].y + ( sinf( k ) * iSmooth ),
                3, Color ); // 3 is with line width
        }

        fDegree += PI_SQUARED/4; // quarter circle offset
    }

}
//----------------------------------//