mirror of
https://github.com/TerryCavanagh/VVVVVV.git
synced 2024-12-23 10:09:43 +01:00
6a17625727
This uses utfcpp combined with a custom font, in the form of a PNG and text file. By default, the game acts exactly as it did before; custom fonts can be provided by third parties.
90 lines
3.3 KiB
C++
90 lines
3.3 KiB
C++
// Copyright 2006 Nemanja Trifunovic
|
|
|
|
/*
|
|
Permission is hereby granted, free of charge, to any person or organization
|
|
obtaining a copy of the software and accompanying documentation covered by
|
|
this license (the "Software") to use, reproduce, display, distribute,
|
|
execute, and transmit the Software, and to prepare derivative works of the
|
|
Software, and to permit third-parties to whom the Software is furnished to
|
|
do so, all subject to the following:
|
|
|
|
The copyright notices in the Software and this entire statement, including
|
|
the above license grant, this restriction and the following disclaimer,
|
|
must be included in all copies of the Software, in whole or in part, and
|
|
all derivative works of the Software, unless such copies or derivative
|
|
works are solely in the form of machine-executable object code generated by
|
|
a source language processor.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
|
|
SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
|
|
FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
|
|
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
|
|
#ifndef UTF8_FOR_CPP_UNCHECKED_H_2675DCD0_9480_4c0c_B92A_CC14C027B731
|
|
#define UTF8_FOR_CPP_UNCHECKED_H_2675DCD0_9480_4c0c_B92A_CC14C027B731
|
|
|
|
#include "core.h"
|
|
|
|
namespace utf8
|
|
{
|
|
namespace unchecked
|
|
{
|
|
template <typename octet_iterator>
|
|
uint32_t next(octet_iterator& it)
|
|
{
|
|
uint32_t cp = utf8::internal::mask8(*it);
|
|
typename std::iterator_traits<octet_iterator>::difference_type length = utf8::internal::sequence_length(it);
|
|
switch (length) {
|
|
case 1:
|
|
break;
|
|
case 2:
|
|
it++;
|
|
cp = ((cp << 6) & 0x7ff) + ((*it) & 0x3f);
|
|
break;
|
|
case 3:
|
|
++it;
|
|
cp = ((cp << 12) & 0xffff) + ((utf8::internal::mask8(*it) << 6) & 0xfff);
|
|
++it;
|
|
cp += (*it) & 0x3f;
|
|
break;
|
|
case 4:
|
|
++it;
|
|
cp = ((cp << 18) & 0x1fffff) + ((utf8::internal::mask8(*it) << 12) & 0x3ffff);
|
|
++it;
|
|
cp += (utf8::internal::mask8(*it) << 6) & 0xfff;
|
|
++it;
|
|
cp += (*it) & 0x3f;
|
|
break;
|
|
}
|
|
++it;
|
|
return cp;
|
|
}
|
|
|
|
template <typename octet_iterator>
|
|
uint32_t prior(octet_iterator& it)
|
|
{
|
|
while (utf8::internal::is_trail(*(--it))) ;
|
|
octet_iterator temp = it;
|
|
return utf8::unchecked::next(temp);
|
|
}
|
|
|
|
template <typename octet_iterator>
|
|
typename std::iterator_traits<octet_iterator>::difference_type
|
|
distance (octet_iterator first, octet_iterator last)
|
|
{
|
|
typename std::iterator_traits<octet_iterator>::difference_type dist;
|
|
for (dist = 0; first < last; ++dist)
|
|
utf8::unchecked::next(first);
|
|
return dist;
|
|
}
|
|
} // namespace utf8::unchecked
|
|
} // namespace utf8
|
|
|
|
|
|
#endif // header guard
|
|
|