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Fix scrolling text

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This commit is contained in:
Ted John
2020-10-14 19:40:24 +01:00
parent 1e5d998338
commit c6152efa4e
4 changed files with 151 additions and 146 deletions
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76
src/openrct2/drawing/Drawing.String.cpp
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@@ -9,6 +9,7 @@
#include "../common.h"
#include "../config/Config.h"
#include "../core/String.hpp"
#include "../drawing/Drawing.h"
#include "../interface/Viewport.h"
#include "../localisation/Formatting.h"
@@ -23,81 +24,6 @@
using namespace OpenRCT2;
class CodepointView
{
private:
std::string_view _str;
public:
class iterator
{
private:
std::string_view _str;
size_t _index;
public:
iterator(std::string_view str, size_t index)
: _str(str)
, _index(index)
{
}
bool operator==(const iterator& rhs) const
{
return _index == rhs._index;
}
bool operator!=(const iterator& rhs) const
{
return _index != rhs._index;
}
const char32_t operator*() const
{
return utf8_get_next(&_str[_index], nullptr);
}
iterator& operator++()
{
if (_index < _str.size())
{
const utf8* nextch;
utf8_get_next(&_str[_index], &nextch);
_index = nextch - _str.data();
}
return *this;
}
iterator operator++(int)
{
auto result = *this;
if (_index < _str.size())
{
const utf8* nextch;
utf8_get_next(&_str[_index], &nextch);
_index = nextch - _str.data();
}
return result;
}
size_t GetIndex() const
{
return _index;
}
};
CodepointView(std::string_view str)
: _str(str)
{
}
iterator begin() const
{
return iterator(_str, 0);
}
iterator end() const
{
return iterator(_str, _str.size());
}
};
enum : uint32_t
{
TEXT_DRAW_FLAG_INSET = 1 << 0,