garethjenkins’s gists

garethjenkins / gist:3029471

Created July 1, 2012 20:20

output of CGDisplayModeGetWidth & ...Height

garethjenkins / gist:3029465

Created July 1, 2012 20:17

log output of NSScreen

	2012-07-01 21:16:37.979 Retina Resolution Menu[72064:403]
	2012-07-01 21:16:37.979 Retina Resolution Menu[72064:403] description: <NSScreen: 0x7f870a903730>
	2012-07-01 21:16:37.981 Retina Resolution Menu[72064:403] backing scale factor: 2.000000
	2012-07-01 21:16:37.981 Retina Resolution Menu[72064:403] frame {{-1920, 240}, {1920, 1200}}
	2012-07-01 21:16:37.981 Retina Resolution Menu[72064:403] visibleFrame {{-1916, 240}, {1916, 1200}}
	2012-07-01 21:16:37.982 Retina Resolution Menu[72064:403] device description: {
	NSDeviceBitsPerSample = 8;
	NSDeviceColorSpaceName = NSCalibratedRGBColorSpace;
	NSDeviceIsScreen = YES;
	NSDeviceResolution = "NSSize: {144, 144}";

garethjenkins / gist:3029459

Created July 1, 2012 20:14

context of plist

	<plist version="1.0">
	<dict>
	<key>IOGFlags</key>
	<integer>4</integer>
	<key>scale-resolutions</key>
	<array>
	<!-- internal panel modes AND modes mirroring external panels (but not kDisplayModeValidForMirroringFlag) " -->
	<!-- This list includes sizes that overlap between and preferred sizes the internal panel and common matches for external displays" -->
	<!-- If the internal panel does not need a sizes then set kDisplayModeValidForMirroringFlag and move them down to that list " -->

garethjenkins / gist:3029444

Created July 1, 2012 20:11

output of grep ' 2x'

	DisplayProductID-a00e: <data>AAAPAAAACWAAAAAJAKAAAA==</data> <!-- 3840x2400 mirror external panels to internal (include 2x) -->
	DisplayProductID-a00e: <data>AAANIAAACDQAAAAJAKAAAA==</data> <!-- 3360x2100 mirror external panels to internal (include 2x) -->
	DisplayProductID-a00e: <data>AAALQAAABwgAAAAJAKAAAA==</data> <!-- 2880x1800 mirror external panels to internal (include 2x) -->
	DisplayProductID-a00e: <data>AAAKAAAABkAAAAAJAKAAAA==</data> <!-- 2650x1600 mirror external panels to internal (include 2x) -->
	DisplayProductID-a00e: <data>AAAHgAAABLAAAAAJAKAAAA==</data> <!-- 1920x1200 mirror external panels to internal (include 2x) -->
	DisplayProductID-a00e: <data>AAAHgAAABDgAAAAJACAAAA==</data> <!-- 1920x1080 mirror external panels to internal 1080p (no 2x) -->
	DisplayProductID-a00e: <data>AAAFAAAAAtAAAAAJACAAAA==</data> <!-- 1280x720 mirror external panels to internal 720p (no 2x) -->

garethjenkins / gist:3027840

Created July 1, 2012 10:26

enumerate displays using CGGetActiveDisplayList

	CGDirectDisplayID displays[MAX_DISPLAYS];
	uint32_t numDisplays;
	uint32_t i;

	CGGetActiveDisplayList(MAX_DISPLAYS, displays, &numDisplays);

	for(i=0; i<numDisplays; i++)
	{
	CGDisplayModeRef mode;
	CFIndex index, count;

garethjenkins / gist:3027835

Created July 1, 2012 10:22

Write NSScreen output to log

	NSArray *screens=[NSScreen screens];
	for(NSScreen *s in screens)
	{
	NSLog(@"\n");
	NSLog(@"description: %@", s.description);
	NSLog(@"backing scale factor: %f", s.backingScaleFactor);
	NSLog(@"frame %@", NSStringFromRect(s.frame));
	NSLog(@"visibleFrame %@", NSStringFromRect(s.visibleFrame));
	NSLog(@"device description: %@", s.deviceDescription);
	NSLog(@"------------------------------------\n\n");

Gareth Jenkins garethjenkins