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OpenMW is an open implementation of the Morrowind engine
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2.3 kB · 81 lines
C++
at master
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182#include "display.hpp"
#include <format>#include <numeric>#include <string>
namespace Misc{ std::string getResolutionText(int x, int y) { int gcd = std::gcd(x, y); if (gcd == 0) return std::string();
int xaspect = x / gcd; int yaspect = y / gcd;
// It is unclear how to handle 90-degree screen rotation properly. // So far only swap aspects, apply custom formatting logic and then swap back. // As result, 1920 x 1200 is displayed as "1200 x 1920 (10:16)" bool flipped = false; if (yaspect > xaspect) { flipped = true; std::swap(xaspect, yaspect); }
// 683:384 (used in 1366 x 768) is usually referred as 16:9 if (xaspect == 683 && yaspect == 384) { xaspect = 16; yaspect = 9; } // 85:48 (used in 1360 x 768) is usually referred as 16:9 else if (xaspect == 85 && yaspect == 48) { xaspect = 16; yaspect = 9; } // 49:36 (used in 1176 x 864) is usually referred as 4:3 else if (xaspect == 49 && yaspect == 36) { xaspect = 4; yaspect = 3; } // 39:29 (used in 624 x 484) is usually referred as 4:3 else if (xaspect == 39 && yaspect == 29) { xaspect = 4; yaspect = 3; } // 8:5 (used in 1440 x 900) is usually referred as 16:10 else if (xaspect == 8 && yaspect == 5) { xaspect = 16; yaspect = 10; } // 5:3 (used in 1280 x 768) is usually referred as 15:9 else if (xaspect == 5 && yaspect == 3) { xaspect = 15; yaspect = 9; } else { // everything between 21:9 and 22:9 // is usually referred as 21:9 float ratio = static_cast<float>(xaspect) / yaspect; if (ratio >= 21 / 9.f && ratio < 22 / 9.f) { xaspect = 21; yaspect = 9; } }
if (flipped) std::swap(xaspect, yaspect);
return std::format("{} × {} ({}:{})", x, y, xaspect, yaspect); }}