/* 

SDL_gfxPrimitives.h: graphics primitives for SDL

Copyright (C) 2001-2012  Andreas Schiffler

This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.

Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.

2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.

3. This notice may not be removed or altered from any source
distribution.

Andreas Schiffler -- aschiffler at ferzkopp dot net

*/

#ifndef _SDL_gfxPrimitives_h
#define _SDL_gfxPrimitives_h

#include <math.h>
#ifndef M_PI
#define M_PI	3.1415926535897932384626433832795
#endif

#include "SDL.h"

/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif

	/* ----- Versioning */

#define SDL_GFXPRIMITIVES_MAJOR	2
#define SDL_GFXPRIMITIVES_MINOR	0
#define SDL_GFXPRIMITIVES_MICRO	25


	/* ---- Function Prototypes */

#if defined(_MSC_VER) || defined(__EMX__)
#  if defined(DLL_EXPORT) && !defined(LIBSDL_GFX_DLL_IMPORT)
#    define SDL_GFXPRIMITIVES_SCOPE __declspec(dllexport)
#  else
#    ifdef LIBSDL_GFX_DLL_IMPORT
#      define SDL_GFXPRIMITIVES_SCOPE __declspec(dllimport)
#    endif
#  endif
#endif
#ifndef SDL_GFXPRIMITIVES_SCOPE
#  define SDL_GFXPRIMITIVES_SCOPE extern
#endif

	/* Note: all ___Color routines expect the color to be in format 0xRRGGBBAA */

	/* Pixel */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL pixelColor(SDL_Surface * dst, Sint16 x, Sint16 y, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL pixelRGBA(SDL_Surface * dst, Sint16 x, Sint16 y, Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* Horizontal line */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL hlineColor(SDL_Surface * dst, Sint16 x1, Sint16 x2, Sint16 y, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL hlineRGBA(SDL_Surface * dst, Sint16 x1, Sint16 x2, Sint16 y, Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* Vertical line */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL vlineColor(SDL_Surface * dst, Sint16 x, Sint16 y1, Sint16 y2, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL vlineRGBA(SDL_Surface * dst, Sint16 x, Sint16 y1, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* Rectangle */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL rectangleColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL rectangleRGBA(SDL_Surface * dst, Sint16 x1, Sint16 y1,
		Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* Rounded-Corner Rectangle */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL roundedRectangleColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 rad, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL roundedRectangleRGBA(SDL_Surface * dst, Sint16 x1, Sint16 y1,
		Sint16 x2, Sint16 y2, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* Filled rectangle (Box) */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL boxColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL boxRGBA(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2,
		Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* Rounded-Corner Filled rectangle (Box) */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL roundedBoxColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 rad, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL roundedBoxRGBA(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2,
		Sint16 y2, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* Line */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL lineColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL lineRGBA(SDL_Surface * dst, Sint16 x1, Sint16 y1,
		Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* AA Line */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL aalineColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL aalineRGBA(SDL_Surface * dst, Sint16 x1, Sint16 y1,
		Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* Thick Line */
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL thickLineColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, 
		Uint8 width, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL thickLineRGBA(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, 
		Uint8 width, Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* Circle */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL circleColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rad, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL circleRGBA(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* Arc */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL arcColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rad, Sint16 start, Sint16 end, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL arcRGBA(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rad, Sint16 start, Sint16 end, 
		Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* AA Circle */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL aacircleColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rad, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL aacircleRGBA(SDL_Surface * dst, Sint16 x, Sint16 y,
		Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* Filled Circle */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL filledCircleColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 r, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL filledCircleRGBA(SDL_Surface * dst, Sint16 x, Sint16 y,
		Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* Ellipse */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL ellipseColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL ellipseRGBA(SDL_Surface * dst, Sint16 x, Sint16 y,
		Sint16 rx, Sint16 ry, Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* AA Ellipse */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL aaellipseColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL aaellipseRGBA(SDL_Surface * dst, Sint16 x, Sint16 y,
		Sint16 rx, Sint16 ry, Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* Filled Ellipse */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL filledEllipseColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL filledEllipseRGBA(SDL_Surface * dst, Sint16 x, Sint16 y,
		Sint16 rx, Sint16 ry, Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* Pie */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL pieColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rad,
		Sint16 start, Sint16 end, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL pieRGBA(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rad,
		Sint16 start, Sint16 end, Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* Filled Pie */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL filledPieColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rad,
		Sint16 start, Sint16 end, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL filledPieRGBA(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rad,
		Sint16 start, Sint16 end, Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* Trigon */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL trigonColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL trigonRGBA(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3,
		Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* AA-Trigon */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL aatrigonColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL aatrigonRGBA(SDL_Surface * dst,  Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3,
		Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* Filled Trigon */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL filledTrigonColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL filledTrigonRGBA(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3,
		Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* Polygon */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL polygonColor(SDL_Surface * dst, const Sint16 * vx, const Sint16 * vy, int n, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL polygonRGBA(SDL_Surface * dst, const Sint16 * vx, const Sint16 * vy,
		int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* AA-Polygon */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL aapolygonColor(SDL_Surface * dst, const Sint16 * vx, const Sint16 * vy, int n, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL aapolygonRGBA(SDL_Surface * dst, const Sint16 * vx, const Sint16 * vy,
		int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* Filled Polygon */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL filledPolygonColor(SDL_Surface * dst, const Sint16 * vx, const Sint16 * vy, int n, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL filledPolygonRGBA(SDL_Surface * dst, const Sint16 * vx,
		const Sint16 * vy, int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL texturedPolygon(SDL_Surface * dst, const Sint16 * vx, const Sint16 * vy, int n, SDL_Surface * texture,int texture_dx,int texture_dy);

	/* (Note: These MT versions are required for multi-threaded operation.) */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL filledPolygonColorMT(SDL_Surface * dst, const Sint16 * vx, const Sint16 * vy, int n, Uint32 color, int **polyInts, int *polyAllocated);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL filledPolygonRGBAMT(SDL_Surface * dst, const Sint16 * vx,
		const Sint16 * vy, int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a,
		int **polyInts, int *polyAllocated);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL texturedPolygonMT(SDL_Surface * dst, const Sint16 * vx, const Sint16 * vy, int n, SDL_Surface * texture,int texture_dx,int texture_dy, int **polyInts, int *polyAllocated);

	/* Bezier */

	SDL_GFXPRIMITIVES_SCOPE int SDLCALL bezierColor(SDL_Surface * dst, const Sint16 * vx, const Sint16 * vy, int n, int s, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL bezierRGBA(SDL_Surface * dst, const Sint16 * vx, const Sint16 * vy,
		int n, int s, Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* Characters/Strings */

	SDL_GFXPRIMITIVES_SCOPE void SDLCALL gfxPrimitivesSetFont(const void *fontdata, Uint32 cw, Uint32 ch);
	SDL_GFXPRIMITIVES_SCOPE void SDLCALL gfxPrimitivesSetFontRotation(Uint32 rotation);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL characterColor(SDL_Surface * dst, Sint16 x, Sint16 y, char c, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL characterRGBA(SDL_Surface * dst, Sint16 x, Sint16 y, char c, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL stringColor(SDL_Surface * dst, Sint16 x, Sint16 y, const char *s, Uint32 color);
	SDL_GFXPRIMITIVES_SCOPE int SDLCALL stringRGBA(SDL_Surface * dst, Sint16 x, Sint16 y, const char *s, Uint8 r, Uint8 g, Uint8 b, Uint8 a);

	/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif

#endif				/* _SDL_gfxPrimitives_h */