1 files changed, 75 insertions, 0 deletions
diff --git a/src/graphics/AppleDisplay.cpp b/src/graphics/AppleDisplay.cpp
new file mode 100644
index 0000000..eb8ab0c
--- /dev/null
+++ b/src/graphics/AppleDisplay.cpp
@@ -0,0 +1,75 @@
+//
+//  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;
+}
+
+}