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src/system/helpers.cpp: Add cutString() function

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Origin commit data
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Branch: ni/coolstream
Commit: 71674d0f8a
Author: Michael Liebmann <tuxcode.bbg@gmail.com>
Date: 2016-08-12 (Fri, 12 Aug 2016)


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This commit was generated by Migit
This commit is contained in:
Michael Liebmann
2016-08-12 19:19:24 +02:00
parent 7f737d3199
commit c3a7bcfd5b
2 changed files with 24 additions and 0 deletions
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21
src/system/helpers.cpp
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@@ -438,6 +438,27 @@ std::string trim(std::string &str, const std::string &trimChars /*= " \n\r\t"*/)
return result.erase(0, result.find_first_not_of(trimChars));
}
std::string cutString(const std::string str, Font *msgFont, const int width)
{
std::string ret = str;
ret = trim(ret);
int sw = msgFont->getRenderWidth(ret);
if (sw <= width)
return ret;
else {
std::string z = "...";
int zw = msgFont->getRenderWidth(z);
if (width <= 2*zw)
return ret;
do {
ret = ret.substr(0, ret.length()-1);
sw = msgFont->getRenderWidth(ret);
} while (sw+zw > width);
ret = trim(ret) + z;
}
return ret;
}
std::string strftime(const char *format, const struct tm *tm)
{
char buf[4096];