git.r.bdr.sh - rbdr/pico-engine/blob - build/Release/Pico.app/Contents/Frameworks/SDL_gfx.framework/Versions/A/Headers/SDL_framerate.h

   1
   2 /*
   3
   4  SDL_framerate: framerate manager
   5
   6  LGPL (c) A. Schiffler
   7
   8  */
   9
  10 #ifndef _SDL_framerate_h
  11 #define _SDL_framerate_h
  12
  13 /* Set up for C function definitions, even when using C++ */
  14 #ifdef __cplusplus
  15 extern "C" {
  16 #endif
  17
  18 /* --- */
  19
  20 #include "SDL.h"
  21
  22 /* --------- Definitions */
  23
  24 /* Some rates in Hz */
  25
  26 #define FPS_UPPER_LIMIT         200
  27 #define FPS_LOWER_LIMIT         1
  28 #define FPS_DEFAULT             30
  29
  30 /* --------- Structure variables */
  31
  32     typedef struct {
  33         Uint32 framecount;
  34         float rateticks;
  35         Uint32 lastticks;
  36         Uint32 rate;
  37     } FPSmanager;
  38
  39 /* --------- Function prototypes */
  40
  41 #ifdef WIN32
  42 #ifdef BUILD_DLL
  43 #define DLLINTERFACE __declspec(dllexport)
  44 #else
  45 #define DLLINTERFACE __declspec(dllimport)
  46 #endif
  47 #else
  48 #define DLLINTERFACE
  49 #endif
  50
  51 /* Functions return 0 or value for sucess and -1 for error */
  52
  53     DLLINTERFACE void SDL_initFramerate(FPSmanager * manager);
  54     DLLINTERFACE int SDL_setFramerate(FPSmanager * manager, int rate);
  55     DLLINTERFACE int SDL_getFramerate(FPSmanager * manager);
  56     DLLINTERFACE void SDL_framerateDelay(FPSmanager * manager);
  57
  58 /* --- */
  59
  60 /* Ends C function definitions when using C++ */
  61 #ifdef __cplusplus
  62 }
  63 #endif
  64
  65 #endif                          /* _SDL_framerate_h */