void  ccDrawPoint(CCPoint point);
void  ccDrawPoints(const CCPoint *points, unsigned int numberOfPoints);
void  ccDrawLine(CCPoint origin, CCPoint destination);
void  ccDrawRect(CCPoint origin, CCPoint destination);
void  ccDrawSolidRect(CCPoint origin, CCPoint destination, Color4F color);
void  ccDrawPoly(const CCPoint *vertices, unsigned int numOfVertices, bool closePolygon);
void  ccDrawSolidPoly(const CCPoint* poli, unsigned int numberOfPoints, Color4F color);
void  ccDrawCircle(const CCPoint& center, float radius, float angle, unsigned int segments, bool drawLineToCenter, float xScale = 1.0f, float yScale = 1.0f);
void  ccDrawQuadBezier(CCPoint origin, CCPoint control, CCPoint destination, unsigned int segments);
void  ccDrawCubicBezier(CCPoint origin, CCPoint control1, CCPoint control2, CCPoint destination, unsigned int segments);
void  ccDrawCatmullRom(CCPointArray* arrayOfControlPoints, unsigned int segments);
void  ccDrawCardinalSpline(CCPointArray* config, float tension, unsigned int segments);
void  ccDrawColor4B(GLubyte r, GLubyte g, GLubyte b, GLubyte a);
void  ccDrawColor4F(GLubyte r, GLubyte g, GLubyte b, GLubyte a);
void  ccPointSize(GLfloat pointSize);

// glew.h API:
// void  glLineWidth(GLfloat width);