209 lines
8.8 KiB
C
209 lines
8.8 KiB
C
/*
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SDL_gfxPrimitives: graphics primitives for SDL
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LGPL (c) A. Schiffler
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*/
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#ifndef _SDL_gfxPrimitives_h
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#define _SDL_gfxPrimitives_h
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#include <math.h>
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#ifndef M_PI
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#define M_PI 3.1415926535897932384626433832795
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#endif
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#include "SDL.h"
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/* Set up for C function definitions, even when using C++ */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* ----- Versioning */
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#define SDL_GFXPRIMITIVES_MAJOR 2
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#define SDL_GFXPRIMITIVES_MINOR 0
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#define SDL_GFXPRIMITIVES_MICRO 21
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/* ----- W32 DLL interface */
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#ifdef WIN32
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# ifdef DLL_EXPORT
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# define SDL_GFXPRIMITIVES_SCOPE __declspec(dllexport)
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# else
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# ifdef LIBSDL_GFX_DLL_IMPORT
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# define SDL_GFXPRIMITIVES_SCOPE __declspec(dllimport)
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# endif
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# endif
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#endif
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#ifndef SDL_GFXPRIMITIVES_SCOPE
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# define SDL_GFXPRIMITIVES_SCOPE extern
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#endif
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/* ----- Prototypes */
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/* Note: all ___Color routines expect the color to be in format 0xRRGGBBAA */
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/* Pixel */
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SDL_GFXPRIMITIVES_SCOPE int pixelColor(SDL_Surface * dst, Sint16 x, Sint16 y, Uint32 color);
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SDL_GFXPRIMITIVES_SCOPE int pixelRGBA(SDL_Surface * dst, Sint16 x, Sint16 y, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Horizontal line */
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SDL_GFXPRIMITIVES_SCOPE int hlineColor(SDL_Surface * dst, Sint16 x1, Sint16 x2, Sint16 y, Uint32 color);
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SDL_GFXPRIMITIVES_SCOPE int hlineRGBA(SDL_Surface * dst, Sint16 x1, Sint16 x2, Sint16 y, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Vertical line */
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SDL_GFXPRIMITIVES_SCOPE int vlineColor(SDL_Surface * dst, Sint16 x, Sint16 y1, Sint16 y2, Uint32 color);
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SDL_GFXPRIMITIVES_SCOPE int vlineRGBA(SDL_Surface * dst, Sint16 x, Sint16 y1, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Rectangle */
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SDL_GFXPRIMITIVES_SCOPE int rectangleColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color);
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SDL_GFXPRIMITIVES_SCOPE int rectangleRGBA(SDL_Surface * dst, Sint16 x1, Sint16 y1,
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Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Filled rectangle (Box) */
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SDL_GFXPRIMITIVES_SCOPE int boxColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color);
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SDL_GFXPRIMITIVES_SCOPE int boxRGBA(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2,
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Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Line */
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SDL_GFXPRIMITIVES_SCOPE int lineColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color);
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SDL_GFXPRIMITIVES_SCOPE int lineRGBA(SDL_Surface * dst, Sint16 x1, Sint16 y1,
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Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* AA Line */
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SDL_GFXPRIMITIVES_SCOPE int aalineColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color);
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SDL_GFXPRIMITIVES_SCOPE int aalineRGBA(SDL_Surface * dst, Sint16 x1, Sint16 y1,
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Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Circle */
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SDL_GFXPRIMITIVES_SCOPE int circleColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rad, Uint32 color);
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SDL_GFXPRIMITIVES_SCOPE int circleRGBA(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Arc */
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SDL_GFXPRIMITIVES_SCOPE int arcColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rad, Sint16 start, Sint16 end, Uint32 color);
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SDL_GFXPRIMITIVES_SCOPE int arcRGBA(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rad, Sint16 start, Sint16 end,
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Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* AA Circle */
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SDL_GFXPRIMITIVES_SCOPE int aacircleColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rad, Uint32 color);
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SDL_GFXPRIMITIVES_SCOPE int aacircleRGBA(SDL_Surface * dst, Sint16 x, Sint16 y,
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Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Filled Circle */
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SDL_GFXPRIMITIVES_SCOPE int filledCircleColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 r, Uint32 color);
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SDL_GFXPRIMITIVES_SCOPE int filledCircleRGBA(SDL_Surface * dst, Sint16 x, Sint16 y,
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Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Ellipse */
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SDL_GFXPRIMITIVES_SCOPE int ellipseColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color);
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SDL_GFXPRIMITIVES_SCOPE int ellipseRGBA(SDL_Surface * dst, Sint16 x, Sint16 y,
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Sint16 rx, Sint16 ry, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* AA Ellipse */
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SDL_GFXPRIMITIVES_SCOPE int aaellipseColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color);
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SDL_GFXPRIMITIVES_SCOPE int aaellipseRGBA(SDL_Surface * dst, Sint16 x, Sint16 y,
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Sint16 rx, Sint16 ry, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Filled Ellipse */
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SDL_GFXPRIMITIVES_SCOPE int filledEllipseColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color);
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SDL_GFXPRIMITIVES_SCOPE int filledEllipseRGBA(SDL_Surface * dst, Sint16 x, Sint16 y,
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Sint16 rx, Sint16 ry, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Pie */
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SDL_GFXPRIMITIVES_SCOPE int pieColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rad,
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Sint16 start, Sint16 end, Uint32 color);
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SDL_GFXPRIMITIVES_SCOPE int pieRGBA(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rad,
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Sint16 start, Sint16 end, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Filled Pie */
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SDL_GFXPRIMITIVES_SCOPE int filledPieColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rad,
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Sint16 start, Sint16 end, Uint32 color);
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SDL_GFXPRIMITIVES_SCOPE int filledPieRGBA(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rad,
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Sint16 start, Sint16 end, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Trigon */
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SDL_GFXPRIMITIVES_SCOPE int trigonColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint32 color);
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SDL_GFXPRIMITIVES_SCOPE int trigonRGBA(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3,
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Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* AA-Trigon */
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SDL_GFXPRIMITIVES_SCOPE int aatrigonColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint32 color);
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SDL_GFXPRIMITIVES_SCOPE int aatrigonRGBA(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3,
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Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Filled Trigon */
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SDL_GFXPRIMITIVES_SCOPE int filledTrigonColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint32 color);
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SDL_GFXPRIMITIVES_SCOPE int filledTrigonRGBA(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3,
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Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Polygon */
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SDL_GFXPRIMITIVES_SCOPE int polygonColor(SDL_Surface * dst, const Sint16 * vx, const Sint16 * vy, int n, Uint32 color);
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SDL_GFXPRIMITIVES_SCOPE int polygonRGBA(SDL_Surface * dst, const Sint16 * vx, const Sint16 * vy,
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int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* AA-Polygon */
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SDL_GFXPRIMITIVES_SCOPE int aapolygonColor(SDL_Surface * dst, const Sint16 * vx, const Sint16 * vy, int n, Uint32 color);
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SDL_GFXPRIMITIVES_SCOPE int aapolygonRGBA(SDL_Surface * dst, const Sint16 * vx, const Sint16 * vy,
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int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Filled Polygon */
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SDL_GFXPRIMITIVES_SCOPE int filledPolygonColor(SDL_Surface * dst, const Sint16 * vx, const Sint16 * vy, int n, Uint32 color);
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SDL_GFXPRIMITIVES_SCOPE int filledPolygonRGBA(SDL_Surface * dst, const Sint16 * vx,
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const Sint16 * vy, int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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SDL_GFXPRIMITIVES_SCOPE int texturedPolygon(SDL_Surface * dst, const Sint16 * vx, const Sint16 * vy, int n, SDL_Surface * texture,int texture_dx,int texture_dy);
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/* (Note: These MT versions are required for multi-threaded operation.) */
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SDL_GFXPRIMITIVES_SCOPE int filledPolygonColorMT(SDL_Surface * dst, const Sint16 * vx, const Sint16 * vy, int n, Uint32 color, int **polyInts, int *polyAllocated);
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SDL_GFXPRIMITIVES_SCOPE int filledPolygonRGBAMT(SDL_Surface * dst, const Sint16 * vx,
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const Sint16 * vy, int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a,
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int **polyInts, int *polyAllocated);
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SDL_GFXPRIMITIVES_SCOPE int 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);
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/* Bezier */
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SDL_GFXPRIMITIVES_SCOPE int bezierColor(SDL_Surface * dst, const Sint16 * vx, const Sint16 * vy, int n, int s, Uint32 color);
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SDL_GFXPRIMITIVES_SCOPE int bezierRGBA(SDL_Surface * dst, const Sint16 * vx, const Sint16 * vy,
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int n, int s, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Characters/Strings */
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SDL_GFXPRIMITIVES_SCOPE void gfxPrimitivesSetFont(const void *fontdata, Uint32 cw, Uint32 ch);
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SDL_GFXPRIMITIVES_SCOPE void gfxPrimitivesSetFontRotation(Uint32 rotation);
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SDL_GFXPRIMITIVES_SCOPE int characterColor(SDL_Surface * dst, Sint16 x, Sint16 y, char c, Uint32 color);
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SDL_GFXPRIMITIVES_SCOPE int characterRGBA(SDL_Surface * dst, Sint16 x, Sint16 y, char c, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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SDL_GFXPRIMITIVES_SCOPE int stringColor(SDL_Surface * dst, Sint16 x, Sint16 y, const char *s, Uint32 color);
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SDL_GFXPRIMITIVES_SCOPE int stringRGBA(SDL_Surface * dst, Sint16 x, Sint16 y, const char *s, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Ends C function definitions when using C++ */
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SDL_gfxPrimitives_h */
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