182 lines
6.8 KiB
C
182 lines
6.8 KiB
C
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/*
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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 3.141592654
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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 1
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#define SDL_GFXPRIMITIVES_MINOR 5
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/* ----- W32 DLL interface */
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#ifdef WIN32
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#ifdef BUILD_DLL
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#define DLLINTERFACE __declspec(dllexport)
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#else
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#define DLLINTERFACE __declspec(dllimport)
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#endif
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#else
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#define DLLINTERFACE
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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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DLLINTERFACE int pixelColor(SDL_Surface * dst, Sint16 x, Sint16 y, Uint32 color);
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DLLINTERFACE 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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DLLINTERFACE int hlineColor(SDL_Surface * dst, Sint16 x1, Sint16 x2, Sint16 y, Uint32 color);
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DLLINTERFACE 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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DLLINTERFACE int vlineColor(SDL_Surface * dst, Sint16 x, Sint16 y1, Sint16 y2, Uint32 color);
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DLLINTERFACE 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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DLLINTERFACE int rectangleColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color);
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DLLINTERFACE 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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DLLINTERFACE int boxColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color);
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DLLINTERFACE 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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DLLINTERFACE int lineColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color);
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DLLINTERFACE 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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DLLINTERFACE int aalineColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color);
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DLLINTERFACE 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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DLLINTERFACE int circleColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 r, Uint32 color);
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DLLINTERFACE int circleRGBA(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* AA Circle */
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DLLINTERFACE int aacircleColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 r, Uint32 color);
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DLLINTERFACE 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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DLLINTERFACE int filledCircleColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 r, Uint32 color);
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DLLINTERFACE 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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DLLINTERFACE int ellipseColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color);
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DLLINTERFACE 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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DLLINTERFACE int aaellipseColor(SDL_Surface * dst, Sint16 xc, Sint16 yc, Sint16 rx, Sint16 ry, Uint32 color);
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DLLINTERFACE 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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DLLINTERFACE int filledEllipseColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color);
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DLLINTERFACE 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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/* Filled Pie */
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DLLINTERFACE 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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DLLINTERFACE 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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DLLINTERFACE int trigonColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint32 color);
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DLLINTERFACE 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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DLLINTERFACE int aatrigonColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint32 color);
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DLLINTERFACE 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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DLLINTERFACE int filledTrigonColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, int color);
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DLLINTERFACE 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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DLLINTERFACE int polygonColor(SDL_Surface * dst, Sint16 * vx, Sint16 * vy, int n, Uint32 color);
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DLLINTERFACE int polygonRGBA(SDL_Surface * dst, Sint16 * vx, 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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DLLINTERFACE int aapolygonColor(SDL_Surface * dst, Sint16 * vx, Sint16 * vy, int n, Uint32 color);
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DLLINTERFACE int aapolygonRGBA(SDL_Surface * dst, Sint16 * vx, 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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DLLINTERFACE int filledPolygonColor(SDL_Surface * dst, Sint16 * vx, Sint16 * vy, int n, int color);
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DLLINTERFACE int filledPolygonRGBA(SDL_Surface * dst, Sint16 * vx,
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Sint16 * vy, int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Bezier */
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/* s = number of steps */
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DLLINTERFACE int bezierColor(SDL_Surface * dst, Sint16 * vx, Sint16 * vy, int n, int s, Uint32 color);
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DLLINTERFACE int bezierRGBA(SDL_Surface * dst, Sint16 * vx, Sint16 * vy,
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int n, int s, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* 8x8 Characters/Strings */
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DLLINTERFACE int characterColor(SDL_Surface * dst, Sint16 x, Sint16 y, char c, Uint32 color);
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DLLINTERFACE int characterRGBA(SDL_Surface * dst, Sint16 x, Sint16 y, char c, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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DLLINTERFACE int stringColor(SDL_Surface * dst, Sint16 x, Sint16 y, char *c, Uint32 color);
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DLLINTERFACE int stringRGBA(SDL_Surface * dst, Sint16 x, Sint16 y, char *c, 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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