forked from OpenGamers/abaddon
63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
#pragma once
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#include <cctype>
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#include <algorithm>
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#include <cstdlib>
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#include <vector>
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#include <functional>
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#include <iterator>
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#include <sstream>
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#include <string>
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#include <iomanip>
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template<typename T>
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inline void AlphabeticalSort(T start, T end, std::function<std::string(const typename std::iterator_traits<T>::value_type &)> get_string) {
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std::sort(start, end, [&](const auto &a, const auto &b) -> bool {
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const std::string &s1 = get_string(a);
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const std::string &s2 = get_string(b);
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if (s1.empty() || s2.empty())
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return s1 < s2;
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bool ac[] = {
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!isalnum(s1[0]),
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!isalnum(s2[0]),
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!!isdigit(s1[0]),
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!!isdigit(s2[0]),
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!!isalpha(s1[0]),
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!!isalpha(s2[0]),
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};
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if ((ac[0] && ac[1]) || (ac[2] && ac[3]) || (ac[4] && ac[5]))
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return s1 < s2;
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return ac[0] || ac[5];
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});
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}
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inline std::string IntToCSSColor(int color) {
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int r = (color & 0xFF0000) >> 16;
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int g = (color & 0x00FF00) >> 8;
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int b = (color & 0x0000FF) >> 0;
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std::stringstream ss;
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ss << std::hex << std::setw(2) << std::setfill('0') << r
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<< std::hex << std::setw(2) << std::setfill('0') << g
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<< std::hex << std::setw(2) << std::setfill('0') << b;
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return ss.str();
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}
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// https://www.compuphase.com/cmetric.htm
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inline double ColorDistance(int c1, int c2) {
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int r1 = (c1 & 0xFF0000) >> 16;
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int g1 = (c1 & 0x00FF00) >> 8;
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int b1 = (c1 & 0x0000FF) >> 0;
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int r2 = (c2 & 0xFF0000) >> 16;
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int g2 = (c2 & 0x00FF00) >> 8;
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int b2 = (c2 & 0x0000FF) >> 0;
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int rmean = (r1 - r2) / 2;
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int r = r1 - r2;
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int g = g1 - g2;
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int b = b1 - b2;
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return sqrt((((512 + rmean) * r * r) >> 8) + 4 * g * g + (((767 - rmean) * b * b) >> 8));
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}
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