src/sdl/sdl_gfxprimitives.h

   1
   2 /*
   3
   4  SDL_gfxPrimitives: graphics primitives for SDL
   5
   6  LGPL (c) A. Schiffler
   7
   8 */
   9
  10 #ifndef _SDL_gfxPrimitives_h
  11 #define _SDL_gfxPrimitives_h
  12
  13 #include <math.h>
  14 #ifndef M_PI
  15 #define M_PI    3.141592654
  16 #endif
  17
  18 #include "SDL.h"
  19
  20 /* Set up for C function definitions, even when using C++ */
  21 #ifdef __cplusplus
  22 extern "C" {
  23 #endif
  24
  25 /* ----- Versioning */
  26
  27 #define SDL_GFXPRIMITIVES_MAJOR 1
  28 #define SDL_GFXPRIMITIVES_MINOR 5
  29
  30 /* ----- W32 DLL interface */
  31
  32 #ifdef WIN32
  33 #ifdef BUILD_DLL
  34 #define DLLINTERFACE __declspec(dllexport)
  35 #else
  36 #define DLLINTERFACE __declspec(dllimport)
  37 #endif
  38 #else
  39 #define DLLINTERFACE
  40 #endif
  41
  42 /* ----- Prototypes */
  43
  44 /* Note: all ___Color routines expect the color to be in format 0xRRGGBBAA */
  45
  46 /* Pixel */
  47
  48     DLLINTERFACE int pixelColor(SDL_Surface * dst, Sint16 x, Sint16 y, Uint32 color);
  49     DLLINTERFACE int pixelRGBA(SDL_Surface * dst, Sint16 x, Sint16 y, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
  50
  51 /* Horizontal line */
  52
  53     DLLINTERFACE int hlineColor(SDL_Surface * dst, Sint16 x1, Sint16 x2, Sint16 y, Uint32 color);
  54     DLLINTERFACE int hlineRGBA(SDL_Surface * dst, Sint16 x1, Sint16 x2, Sint16 y, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
  55
  56 /* Vertical line */
  57
  58     DLLINTERFACE int vlineColor(SDL_Surface * dst, Sint16 x, Sint16 y1, Sint16 y2, Uint32 color);
  59     DLLINTERFACE int vlineRGBA(SDL_Surface * dst, Sint16 x, Sint16 y1, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
  60
  61 /* Rectangle */
  62
  63     DLLINTERFACE int rectangleColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color);
  64     DLLINTERFACE int rectangleRGBA(SDL_Surface * dst, Sint16 x1, Sint16 y1,
  65                                    Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
  66
  67 /* Filled rectangle (Box) */
  68
  69     DLLINTERFACE int boxColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color);
  70     DLLINTERFACE int boxRGBA(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2,
  71                              Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
  72
  73 /* Line */
  74
  75     DLLINTERFACE int lineColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color);
  76     DLLINTERFACE int lineRGBA(SDL_Surface * dst, Sint16 x1, Sint16 y1,
  77                               Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
  78
  79 /* AA Line */
  80     DLLINTERFACE int aalineColor(SDL_Surface * dst, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color);
  81     DLLINTERFACE int aalineRGBA(SDL_Surface * dst, Sint16 x1, Sint16 y1,
  82                                 Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
  83
  84 /* Circle */
  85
  86     DLLINTERFACE int circleColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 r, Uint32 color);
  87     DLLINTERFACE int circleRGBA(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
  88
  89 /* AA Circle */
  90
  91     DLLINTERFACE int aacircleColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 r, Uint32 color);
  92     DLLINTERFACE int aacircleRGBA(SDL_Surface * dst, Sint16 x, Sint16 y,
  93                                   Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
  94
  95 /* Filled Circle */
  96
  97     DLLINTERFACE int filledCircleColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 r, Uint32 color);
  98     DLLINTERFACE int filledCircleRGBA(SDL_Surface * dst, Sint16 x, Sint16 y,
  99                                       Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
 100
 101 /* Ellipse */
 102
 103     DLLINTERFACE int ellipseColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color);
 104     DLLINTERFACE int ellipseRGBA(SDL_Surface * dst, Sint16 x, Sint16 y,
 105                                  Sint16 rx, Sint16 ry, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
 106
 107 /* AA Ellipse */
 108
 109     DLLINTERFACE int aaellipseColor(SDL_Surface * dst, Sint16 xc, Sint16 yc, Sint16 rx, Sint16 ry, Uint32 color);
 110     DLLINTERFACE int aaellipseRGBA(SDL_Surface * dst, Sint16 x, Sint16 y,
 111                                    Sint16 rx, Sint16 ry, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
 112
 113 /* Filled Ellipse */
 114
 115     DLLINTERFACE int filledEllipseColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color);
 116     DLLINTERFACE int filledEllipseRGBA(SDL_Surface * dst, Sint16 x, Sint16 y,
 117                                        Sint16 rx, Sint16 ry, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
 118 /* Filled Pie */
 119
 120     DLLINTERFACE int filledpieColor(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rad,
 121                                     Sint16 start, Sint16 end, Uint32 color);
 122     DLLINTERFACE int filledpieRGBA(SDL_Surface * dst, Sint16 x, Sint16 y, Sint16 rad,
 123                                    Sint16 start, Sint16 end, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
 124
 125 /* Polygon */
 126
 127     DLLINTERFACE int polygonColor(SDL_Surface * dst, Sint16 * vx, Sint16 * vy, int n, Uint32 color);
 128     DLLINTERFACE int polygonRGBA(SDL_Surface * dst, Sint16 * vx, Sint16 * vy,
 129                                  int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
 130
 131 /* AA-Polygon */
 132
 133     DLLINTERFACE int aapolygonColor(SDL_Surface * dst, Sint16 * vx, Sint16 * vy, int n, Uint32 color);
 134     DLLINTERFACE int aapolygonRGBA(SDL_Surface * dst, Sint16 * vx, Sint16 * vy,
 135                                    int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
 136
 137 /* Filled Polygon */
 138
 139     DLLINTERFACE int filledPolygonColor(SDL_Surface * dst, Sint16 * vx, Sint16 * vy, int n, int color);
 140     DLLINTERFACE int filledPolygonRGBA(SDL_Surface * dst, Sint16 * vx,
 141                                        Sint16 * vy, int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
 142
 143 /* 8x8 Characters/Strings */
 144
 145     DLLINTERFACE int characterColor(SDL_Surface * dst, Sint16 x, Sint16 y, char c, Uint32 color);
 146     DLLINTERFACE int characterRGBA(SDL_Surface * dst, Sint16 x, Sint16 y, char c, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
 147     DLLINTERFACE int stringColor(SDL_Surface * dst, Sint16 x, Sint16 y, char *c, Uint32 color);
 148     DLLINTERFACE int stringRGBA(SDL_Surface * dst, Sint16 x, Sint16 y, char *c, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
 149
 150 /* Ends C function definitions when using C++ */
 151 #ifdef __cplusplus
 152 };
 153 #endif
 154
 155 #endif                          /* _SDL_gfxPrimitives_h */