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Code Issues Releases Wiki Activity

Bug 463 - Incorrect Timeline numbering

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This commit is contained in:
James Crook 2017-08-14 18:12:42 +01:00
parent cd0ac7d7ef
commit e98f08a2de
1 changed files with 29 additions and 0 deletions
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29
src/widgets/Ruler.cpp
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@ -692,6 +692,10 @@ wxString Ruler::LabelString(double d, bool major)
s += t;
}
else {
// Commented out old and incorrect code for avoiding the 40mins and 60 seconds problem
// It was causing Bug 463 - Incorrect Timeline numbering (where at high zoom and long tracks,
// numbers did not change.
#if 0
// The casting to float is working around an issue where 59 seconds
// would show up as 60 when using g++ (Ubuntu 4.3.3-5ubuntu4) 4.3.3.
int secs = (int)(float)(d);
@ -709,7 +713,32 @@ wxString Ruler::LabelString(double d, bool major)
// The casting to float is working around an issue where 59 seconds
// would show up as 60 when using g++ (Ubuntu 4.3.3-5ubuntu4) 4.3.3.
t2.Printf(format.c_str(), fmod((float)d, (float)60.0));
#else
// For d in the range of hours, d is just very slightly below the value it should
// have, because of using a double, which in turn yields values like 59:59:999999
// mins:secs:nanosecs when we want 1:00:00:000000
// so adjust by less than a nano second per hour to get nicer number formatting.
double dd = d * 1.000000000000001;
int secs = (int)(dd);
wxString t1, t2, format;
if (secs >= 3600)
t1.Printf(wxT("%d:%02d:"), secs/3600, (secs/60)%60);
else if (secs >= 60)
t1.Printf(wxT("%d:"), secs/60);
if (secs >= 60)
format.Printf(wxT("%%0%d.%dlf"), mDigits+3, mDigits);
else
format.Printf(wxT("%%%d.%dlf"), mDigits+3, mDigits);
// dd will be reduced to just the seconds and fractional part.
dd = dd - secs + (secs%60);
// truncate to appropriate number of digits, so that the print formatting
// doesn't round up 59.9999999 to 60.
double multiplier = pow( 10, mDigits);
dd = ((int)(dd * multiplier))/multiplier;
t2.Printf(format.c_str(), dd);
#endif
s += t1 + t2;
}
}