14 lines
372 B
Plaintext
14 lines
372 B
Plaintext
/*
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This is an Objective C file to detect the window's
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resolution scale on Apple platforms.
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It is not a C++ file and is not part of this course!
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*/
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#import "AppKit/NSWindow.h"
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#include <cassert>
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double scaling_factor_for_window(void* ptr) {
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NSWindow* window = static_cast<NSWindow*>(ptr);
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assert(window);
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double d = [window backingScaleFactor];
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return d;
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} |