axmol/cocos2dx/include/CCDrawingPrimitives.h

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Copyright (c) 2010-2011 cocos2d-x.org
Copyright (c) 2008-2010 Ricardo Quesada
Copyright (c) 2011      Zynga Inc.

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#ifndef __CCDRAWING_PRIMITIVES__
#define __CCDRAWING_PRIMITIVES__
    
/**
 @file
 Drawing OpenGL ES primitives.
 - ccDrawPoint
 - ccDrawLine
 - ccDrawPoly
 - ccDrawCircle
 - ccDrawQuadBezier
 - ccDrawCubicBezier
 
 You can change the color, width and other property by calling the
 glColor4ub(), glLineWidth(), glPointSize().
 
 @warning These functions draws the Line, Point, Polygon, immediately. They aren't batched. If you are going to make a game that depends on these primitives, I suggest creating a batch.
 */
#include "ccTypes.h"
#include "ccMacros.h"
#include "CCGeometry.h"    // for CCPoint

NS_CC_BEGIN

/** initlialize context */
void CC_DLL ccDrawInit();

/** draws a point given x and y coordinate measured in points */
void CC_DLL ccDrawPoint( const CCPoint& point );

/** draws an array of points.
 @since v0.7.2
 */
void CC_DLL ccDrawPoints( const CCPoint *points, unsigned int numberOfPoints );

/** draws a line given the origin and destination point measured in points */
void CC_DLL ccDrawLine( const CCPoint& origin, const CCPoint& destination );

/** draws a poligon given a pointer to CCPoint coordiantes and the number of vertices measured in points.
The polygon can be closed or open
*/
void CC_DLL ccDrawPoly( const CCPoint *vertices, unsigned int numOfVertices, bool closePolygon );

/** draws a filled polygon given a pointer to CGPoint coordiantes, the number of vertices measured in points, and a color.
 */
void CC_DLL ccDrawFilledPoly( const CCPoint *poli, unsigned int numberOfPoints, ccColor4F color );

/** draws a circle given the center, radius and number of segments. */
void CC_DLL ccDrawCircle( const CCPoint& center, float radius, float angle, int segments, bool drawLineToCenter);

/** draws a quad bezier path
 @since v0.8
 */
void CC_DLL ccDrawQuadBezier(const CCPoint& origin, const CCPoint& control, const CCPoint& destination, int segments);

/** draws a cubic bezier path
 @since v0.8
 */
void CC_DLL ccDrawCubicBezier(const CCPoint& origin, const CCPoint& control1, const CCPoint& control2, const CCPoint& destination, int segments);

/** set the drawing color with 4 unsigned bytes
 @since v2.0
 */
void CC_DLL ccDrawColor4B( GLubyte r, GLubyte g, GLubyte b, GLubyte a );

/** set the drawing color with 4 floats
 @since v2.0
 */
void CC_DLL ccDrawColor4F( GLfloat r, GLfloat g, GLfloat b, GLfloat a );

/** set the point size in points. Default 1.
 @since v2.0
 */
void CC_DLL ccPointSize( GLfloat pointSize );

NS_CC_END

#endif // __CCDRAWING_PRIMITIVES__