/*
 * $Id: hclip.c 228 2007-12-01 02:32:26Z HansR $
 *
 * $Date: 2007-11-30 21:32:26$
 * $Revision: 228 $
 *
 * (C) 1999 by Hyperion
 * All rights reserved
 *
 * This file is part of the MiniGL library project
 * See the file Licence.txt for more details
 *
 */

#ifndef __HCLIP_H__
#define __HCLIP_H__

GLboolean hc_LineClip(GLcontext context, uint32 *pts);

typedef enum hc_DrawPolyFlags
{
	HCDRAW_DO_POLYOFFSET		= 1<<0,
	HCDRAW_FLATSHADE_LASTVTX    = 1<<1 // Use the last vertex for flat shading
} DrawPolyFlags_t;

void hc_ClipAndDrawPoly(GLcontext context, MGLPolygon *poly, GLuint or_codes, DrawPolyFlags_t flags);

/** Clips a polygon and outputs the resulting (clipped) polygon to outputPoly.
 */
extern GLboolean hc_ClipPoly(GLcontext context, MGLPolygon *poly, GLuint or_codes,
												MGLPolygon **outputPoly, MGLPolygon *temp);

void hc_ClipAndDrawPolyFF(GLcontext context, MGLPolygon *poly, GLuint or_codes, DrawPolyFlags_t flags);

/** Clips a polygon and outputs the resulting (clipped) polygon to outputPoly.
 */
extern GLboolean hc_ClipPolyFF(GLcontext context, MGLPolygon *poly, GLuint or_codes,
												MGLPolygon **outputPoly, MGLPolygon *temp);

#endif