66 lines
1.2 KiB
C
66 lines
1.2 KiB
C
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/*
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SDL_framerate: framerate manager
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LGPL (c) A. Schiffler
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*/
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#ifndef _SDL_framerate_h
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#define _SDL_framerate_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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/* --- */
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#include <SDL.h>
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/* --------- Definitions */
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/* Some rates in Hz */
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#define FPS_UPPER_LIMIT 200
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#define FPS_LOWER_LIMIT 1
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#define FPS_DEFAULT 30
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/* --------- Structure variables */
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typedef struct {
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Uint32 framecount;
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float rateticks;
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Uint32 lastticks;
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Uint32 rate;
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} FPSmanager;
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/* --------- Function prototypes */
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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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/* Functions return 0 or value for sucess and -1 for error */
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DLLINTERFACE void SDL_initFramerate(FPSmanager * manager);
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DLLINTERFACE int SDL_setFramerate(FPSmanager * manager, int rate);
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DLLINTERFACE int SDL_getFramerate(FPSmanager * manager);
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DLLINTERFACE void SDL_framerateDelay(FPSmanager * manager);
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/* --- */
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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_framerate_h */
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