monitor_info.h

#include "ofMain.h"

class ofApp : public ofBaseApp
{
	
public:
	
	void setup()
	{
		// GLFW Monitor handling
		// http://www.glfw.org/docs/latest/group__monitor.html
		int num_monitors;
		GLFWmonitor** monitors = glfwGetMonitors(&num_monitors);
		
		for (int i=0; i<num_monitors; i++)
		{
			GLFWmonitor *monitor = monitors[i];
			
			int x, y;
			glfwGetMonitorPos(monitor, &x, &y);
			
			int width, height;
			glfwGetMonitorPhysicalSize(monitor, &width, &height);
			
			const char* name = glfwGetMonitorName(monitors[i]);
			
			stringstream report;
			report << "model name:" << name << endl; // uniqueな名前じゃないので注意
			report << "pos:" << x << ", " << y << endl;
			report << "physical size:" << width << "mm / " << height << "mm" << endl;
			report << "---" << endl;
			
			cout << report.str() << endl;
		}
		
		/*
		// 出力例
		 
		name:Color LCD (これがMBP, primary display)
		pos:0, 0
		physical size:331mm / 206mm
		---

		name:S2411W (イクミさんのお下がりDisplay)
		pos:0, 1800
		physical size:518mm / 324mm
		---
		*/
	}
	
	
	/*
	 MacOSだったら AppKit.framework 越しに取れる NSScreenNumber が使えそう...
	 https://developer.apple.com/library/mac/documentation/Cocoa/Reference/ApplicationKit/Classes/NSScreen_Class/
	 
	 ```
	 for (int i=0; i<[[NSScreen screens] count]; i++)
	 {
		NSLog(@"%@", [[[NSScreen screens] objectAtIndex:i] deviceDescription]);
	 }
	 ```
	 
	 // 出力例
	 2015-06-10 18:25:41.220 templateDebug[23390:957023] {
		 NSDeviceBitsPerSample = 8;
		 NSDeviceColorSpaceName = NSCalibratedRGBColorSpace;
		 NSDeviceIsScreen = YES;
		 NSDeviceResolution = "NSSize: {72, 72}";
		 NSDeviceSize = "NSSize: {2880, 1800}";
		 NSScreenNumber = 69731900; <-- これがMBP
	 }
	 2015-06-10 18:25:41.220 templateDebug[23390:957023] {
		 NSDeviceBitsPerSample = 8;
		 NSDeviceColorSpaceName = NSCalibratedRGBColorSpace;
		 NSDeviceIsScreen = YES;
		 NSDeviceResolution = "NSSize: {72, 72}";
		 NSDeviceSize = "NSSize: {1920, 1200}";
		 NSScreenNumber = 1892029440; <-- いくみさん
	 }
	 */
};



#pragma mark -
#pragma mark main
int main(){
	ofSetupOpenGL(1600, 900, OF_WINDOW);
	ofRunApp(new ofApp());
}