HDK: UT/UT_TimeUtils.h Source File

00001 /*
00002  * PROPRIETARY INFORMATION.  This software is proprietary to
00003  * Side Effects Software Inc., and is not to be reproduced,
00004  * transmitted, or disclosed in any way without written permission.
00005  *
00006  * Produced by:
00007  *      George ElKoura
00008  *      Side Effects Software Inc
00009  *      477 Richmond Street West
00010  *      Toronto, Ontario
00011  *      Canada   M5V 3E7
00012  *      416-504-9876
00013  *
00014  * NAME:        UT_TimeUtils.h ( UT Library, C++)
00015  *
00016  * COMMENTS:
00017  *
00018  *  This is a collection of utilities useful for dealing with times and time
00019  *  ranges.
00020  *      
00021  */
00022 #ifndef __UT_TimeUtils_h__
00023 #define __UT_TimeUtils_h__
00024 
00025 #include "UT_API.h"
00026 #include <SYS/SYS_Types.h>
00027 
00028 // Given a start frame, an end frame and a step, this method will return 
00029 // the number of frames involved.  Be careful not to pass a zero step size.
00030 // Optionally, this method can also compute the ending frame of the sequence.
00031 UT_API int UTgetNumberOfFrames(fpreal64 start_frame, fpreal64 end_frame, 
00032                                fpreal64 step, fpreal64 *new_end_frame=0);
00033 
00034 #endif