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//
// libavg - Media Playback Engine.
// Copyright (C) 2003-2014 Ulrich von Zadow
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Current versions can be found at www.libavg.de
//
#include "AppleDisplay.h"
#include "../base/Logger.h"
#include <ApplicationServices/ApplicationServices.h>
#include <iostream>
using namespace std;
namespace avg {
AppleDisplay::AppleDisplay()
{
}
AppleDisplay::~AppleDisplay()
{
}
float AppleDisplay::queryPPMM()
{
CGSize size = CGDisplayScreenSize(CGMainDisplayID());
return getScreenResolution().x/size.width;
}
float AppleDisplay::queryRefreshRate()
{
float refreshRate;
#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_6
CGDisplayModeRef mode = CGDisplayCopyDisplayMode(CGMainDisplayID());
refreshRate = CGDisplayModeGetRefreshRate(mode);
if (refreshRate < 1.0) {
AVG_TRACE(Logger::category::CONFIG, Logger::severity::INFO,
"This seems to be a TFT screen, assuming 60 Hz refresh rate.");
refreshRate = 60;
}
CGDisplayModeRelease(mode);
#else
CFDictionaryRef modeInfo = CGDisplayCurrentMode(CGMainDisplayID());
AVG_ASSERT(modeInfo);
CFNumberRef value = (CFNumberRef) CFDictionaryGetValue(modeInfo,
kCGDisplayRefreshRate);
AVG_ASSERT(value);
CFNumberGetValue(value, kCFNumberIntType, &refreshRate);
if (refreshRate < 1.0) {
AVG_TRACE(Logger::category::CONFIG, Logger::severity::INFO,
"This seems to be a TFT screen, assuming 60 Hz refresh rate.");
refreshRate = 60;
}
#endif
return refreshRate;
}
}
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