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Use standard binary multiple unit symbols for game size display.

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Use integer math for the calculation as we cannot rely on floats for something as important as game size display!
This commit is contained in:
Jordan Woyak
2013-03-05 03:12:17 -06:00
parent 240238308c
commit 10d57a3402
2 changed files with 33 additions and 18 deletions
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29
Source/Core/DolphinWX/Src/GameListCtrl.cpp
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@ -35,6 +35,7 @@
#include "CDUtils.h"
#include "WxUtils.h"
#include "Main.h"
#include "MathUtil.h"
#include "../resources/Flag_Europe.xpm"
#include "../resources/Flag_Germany.xpm"
@ -380,26 +381,18 @@ void CGameListCtrl::Update()
SetFocus();
}
wxString NiceSizeFormat(s64 _size)
wxString NiceSizeFormat(u64 _size)
{
const char* sizes[] = {"b", "KB", "MB", "GB", "TB", "PB", "EB"};
int s = 0;
int frac = 0;
const char* const unit_symbols[] = {"B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB"};
auto const unit = Log2(std::max<u64>(_size, 1)) / 10;
auto const unit_size = (1 << (unit * 10));
// ugly rounding integer math
auto const value = (_size + unit_size / 2) / unit_size;
auto const frac = (_size % unit_size * 10 + unit_size / 2) / unit_size % 10;
while (_size > (s64)1024)
{
s++;
frac = (int)_size & 1023;
_size /= (s64)1024;
}
float f = (float)_size + ((float)frac / 1024.0f);
wxString NiceString;
char tempstr[32];
sprintf(tempstr,"%3.1f %s", f, sizes[s]);
NiceString = StrToWxStr(tempstr);
return(NiceString);
return StrToWxStr(StringFromFormat("%llu.%llu %s", value, frac, unit_symbols[unit]));
}
void CGameListCtrl::InsertItemInReportView(long _Index)