scummvm/backends/platform/sdl/macosx/macosx-window.mm
2021-12-26 18:48:43 +01:00

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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
// Disable symbol overrides so that we can use system headers.
#define FORBIDDEN_SYMBOL_ALLOW_ALL
#include "backends/platform/sdl/macosx/macosx-window.h"
#include "backends/platform/sdl/macosx/macosx-compat.h"
#include <AppKit/NSWindow.h>
float SdlWindow_MacOSX::getDpiScalingFactor() const {
#if SDL_VERSION_ATLEAST(2, 0, 0) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
SDL_SysWMinfo wmInfo;
if (getSDLWMInformation(&wmInfo)) {
NSWindow *nswindow = wmInfo.info.cocoa.window;
if ([nswindow respondsToSelector:@selector(backingScaleFactor)])
return [nswindow backingScaleFactor];
}
#endif
return SdlWindow::getDpiScalingFactor();
}