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22 lines
614 B
C++
22 lines
614 B
C++
#include "edit_gui_common.h"
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//https://docs.microsoft.com/en-us/cpp/porting/modifying-winver-and-win32-winnt
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float GetWindowScalingFactor(HWND window)
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{
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float scaling_factor = 1.0f;
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#if (WINVER == 0x0A00) // Windows 10
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UINT dpi = GetDpiForWindow(window);
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scaling_factor = static_cast<float>(dpi) / 96.0f;
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#else
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HDC hdc = GetDC(window);
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int LogicalScreenHeight = GetDeviceCaps(hdc, VERTRES);
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int PhysicalScreenHeight = GetDeviceCaps(hdc, DESKTOPVERTRES);
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scaling_factor = (float)PhysicalScreenHeight / (float)LogicalScreenHeight;
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#endif
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return scaling_factor;// 1.25 = 125%
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}
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