/*
* Copyright 2014 Martin Steiger
*
* The contents of this file is dual-licensed under 2
* alternative Open Source/Free licenses: LGPL 2.1 or later and
* Apache License 2.0. (starting with JNA version 4.0.0).
*
* You can freely decide which license you want to apply to
* the project.
*
* You may obtain a copy of the LGPL License at:
*
* http://www.gnu.org/licenses/licenses.html
*
* A copy is also included in the downloadable source code package
* containing JNA, in file "LGPL2.1".
*
* You may obtain a copy of the Apache License at:
*
* http://www.apache.org/licenses/
*
* A copy is also included in the downloadable source code package
* containing JNA, in file "AL2.0".
*/
package com.sun.jna.contrib.demo;
import com.sun.jna.Memory;
import com.sun.jna.platform.EnumUtils;
import com.sun.jna.platform.win32.Dxva2;
import com.sun.jna.platform.win32.HighLevelMonitorConfigurationAPI;
import com.sun.jna.platform.win32.HighLevelMonitorConfigurationAPI.MC_COLOR_TEMPERATURE;
import com.sun.jna.platform.win32.HighLevelMonitorConfigurationAPI.MC_DISPLAY_TECHNOLOGY_TYPE;
import com.sun.jna.platform.win32.HighLevelMonitorConfigurationAPI.MC_DRIVE_TYPE;
import com.sun.jna.platform.win32.HighLevelMonitorConfigurationAPI.MC_GAIN_TYPE;
import com.sun.jna.platform.win32.HighLevelMonitorConfigurationAPI.MC_POSITION_TYPE;
import com.sun.jna.platform.win32.HighLevelMonitorConfigurationAPI.MC_SIZE_TYPE;
import com.sun.jna.platform.win32.LowLevelMonitorConfigurationAPI.MC_TIMING_REPORT;
import com.sun.jna.platform.win32.PhysicalMonitorEnumerationAPI.PHYSICAL_MONITOR;
import com.sun.jna.platform.win32.User32;
import com.sun.jna.platform.win32.WTypes.LPSTR;
import com.sun.jna.platform.win32.WinDef.DWORD;
import com.sun.jna.platform.win32.WinDef.DWORDByReference;
import com.sun.jna.platform.win32.WinDef.HDC;
import com.sun.jna.platform.win32.WinDef.LPARAM;
import com.sun.jna.platform.win32.WinDef.RECT;
import com.sun.jna.platform.win32.WinNT.HANDLE;
import com.sun.jna.platform.win32.WinUser;
import com.sun.jna.platform.win32.WinUser.HMONITOR;
import com.sun.jna.platform.win32.WinUser.MONITORENUMPROC;
import com.sun.jna.platform.win32.WinUser.MONITORINFOEX;
/**
* A small demo that tests the Win32 monitor API.
* All available physical and virtual monitors are enumerated and
* their capabilities printed to stdout
* @author Martin Steiger
*/
public class MonitorInfoDemo
{
/**
* @param args (ignored)
*/
public static void main(String[] args)
{
System.out.println("Installed Physical Monitors: " + User32.INSTANCE.GetSystemMetrics(WinUser.SM_CMONITORS));
User32.INSTANCE.EnumDisplayMonitors(null, null, new MONITORENUMPROC() {
@Override
public int apply(HMONITOR hMonitor, HDC hdc, RECT rect, LPARAM lparam)
{
enumerate(hMonitor);
return 1;
}
}, new LPARAM(0));
}
static void enumerate(HMONITOR hMonitor)
{
System.out.println("Found HMONITOR: " + hMonitor.getPointer().toString());
MONITORINFOEX info = new MONITORINFOEX();
User32.INSTANCE.GetMonitorInfo(hMonitor, info);
System.out.println("Screen " + info.rcMonitor);
System.out.println("Work area " + info.rcWork);
boolean isPrimary = (info.dwFlags & WinUser.MONITORINFOF_PRIMARY) != 0;
System.out.println("Primary? " + (isPrimary ? "yes" : "no"));
System.out.println("Device " + new String(info.szDevice));
DWORDByReference pdwNumberOfPhysicalMonitors = new DWORDByReference();
Dxva2.INSTANCE.GetNumberOfPhysicalMonitorsFromHMONITOR(hMonitor, pdwNumberOfPhysicalMonitors);
int monitorCount = pdwNumberOfPhysicalMonitors.getValue().intValue();
System.out.println("HMONITOR is linked to " + monitorCount + " physical monitors");
PHYSICAL_MONITOR[] physMons = new PHYSICAL_MONITOR[monitorCount];
Dxva2.INSTANCE.GetPhysicalMonitorsFromHMONITOR(hMonitor, monitorCount, physMons);
for (int i = 0; i < monitorCount; i++)
{
HANDLE hPhysicalMonitor = physMons[0].hPhysicalMonitor;
System.out.println("Monitor " + i + " - " + new String(physMons[i].szPhysicalMonitorDescription));
enumeratePhysicalMonitor(hPhysicalMonitor);
}
Dxva2.INSTANCE.DestroyPhysicalMonitors(monitorCount, physMons);
}
/**
* @param hPhysicalMonitor
*/
private static void enumeratePhysicalMonitor(HANDLE hPhysicalMonitor)
{
MC_DISPLAY_TECHNOLOGY_TYPE.ByReference techType = new MC_DISPLAY_TECHNOLOGY_TYPE.ByReference();
Dxva2.INSTANCE.GetMonitorTechnologyType(hPhysicalMonitor, techType);
System.out.println("TECHTYPE: " + techType.getValue());
DWORDByReference temps = new DWORDByReference();
DWORDByReference caps = new DWORDByReference();
Dxva2.INSTANCE.GetMonitorCapabilities(hPhysicalMonitor, caps, temps);
System.out.println("CAPS " + EnumUtils.setFromInteger(caps.getValue().intValue(), HighLevelMonitorConfigurationAPI.MC_CAPS.class));
System.out.println("Temps " + temps.getValue());
// Brightness
DWORDByReference pdwMinimumBrightness = new DWORDByReference();
DWORDByReference pdwCurrentBrightness = new DWORDByReference();
DWORDByReference pdwMaximumBrightness = new DWORDByReference();
Dxva2.INSTANCE.GetMonitorBrightness(hPhysicalMonitor, pdwMinimumBrightness, pdwCurrentBrightness, pdwMaximumBrightness);
System.out.println("Brightness Min: " + pdwMinimumBrightness.getValue());
System.out.println("Brightness Current: " + pdwCurrentBrightness.getValue());
System.out.println("Brightness Max: " + pdwMaximumBrightness.getValue());
// Contrast
DWORDByReference pdwMinimumContrast = new DWORDByReference();
DWORDByReference pdwCurrentContrast = new DWORDByReference();
DWORDByReference pdwMaximumContrast = new DWORDByReference();
Dxva2.INSTANCE.GetMonitorContrast(hPhysicalMonitor, pdwMinimumContrast, pdwCurrentContrast, pdwMaximumContrast);
System.out.println("Contrast Min: " + pdwMinimumContrast.getValue());
System.out.println("Contrast Current: " + pdwCurrentContrast.getValue());
System.out.println("Contrast Max: " + pdwMaximumContrast.getValue());
// Temperature
MC_COLOR_TEMPERATURE.ByReference pctCurrentColorTemperature = new MC_COLOR_TEMPERATURE.ByReference();
Dxva2.INSTANCE.GetMonitorColorTemperature(hPhysicalMonitor, pctCurrentColorTemperature);
System.out.println("Current Temp: " + pctCurrentColorTemperature.getValue());
// Capabilities string
DWORDByReference pdwCapabilitiesStringLengthInCharacters = new DWORDByReference();
Dxva2.INSTANCE.GetCapabilitiesStringLength(hPhysicalMonitor, pdwCapabilitiesStringLengthInCharacters);
DWORD capStrLen = pdwCapabilitiesStringLengthInCharacters.getValue();
LPSTR pszASCIICapabilitiesString = new LPSTR(new Memory(capStrLen.intValue()));
Dxva2.INSTANCE.CapabilitiesRequestAndCapabilitiesReply(hPhysicalMonitor, pszASCIICapabilitiesString, capStrLen);
System.out.println("Cap-String:" + new String(pszASCIICapabilitiesString.getPointer().getString(0)));
// Position
MC_POSITION_TYPE ptPositionType = MC_POSITION_TYPE.MC_HORIZONTAL_POSITION;
DWORDByReference pdwMinimumPosition = new DWORDByReference();
DWORDByReference pdwCurrentPosition = new DWORDByReference();
DWORDByReference pdwMaximumPosition = new DWORDByReference();
Dxva2.INSTANCE.GetMonitorDisplayAreaPosition(hPhysicalMonitor, ptPositionType, pdwMinimumPosition, pdwCurrentPosition, pdwMaximumPosition);
System.out.println("Position (horz) Min: " + pdwMinimumPosition.getValue());
System.out.println("Position (horz) Current: " + pdwCurrentPosition.getValue());
System.out.println("Position (horz) Max: " + pdwMaximumPosition.getValue());
// Size
MC_SIZE_TYPE ptSizeType = MC_SIZE_TYPE.MC_WIDTH;
DWORDByReference pdwMinimumSize = new DWORDByReference();
DWORDByReference pdwCurrentSize = new DWORDByReference();
DWORDByReference pdwMaximumSize = new DWORDByReference();
Dxva2.INSTANCE.GetMonitorDisplayAreaSize(hPhysicalMonitor, ptSizeType, pdwMinimumSize, pdwCurrentSize, pdwMaximumSize);
System.out.println("Width Min: " + pdwMinimumSize.getValue());
System.out.println("Width Current: " + pdwCurrentSize.getValue());
System.out.println("Width Max: " + pdwMaximumSize.getValue());
// Gain
MC_GAIN_TYPE ptGainType = MC_GAIN_TYPE.MC_RED_GAIN;
DWORDByReference pdwMinimumGain = new DWORDByReference();
DWORDByReference pdwCurrentGain = new DWORDByReference();
DWORDByReference pdwMaximumGain = new DWORDByReference();
Dxva2.INSTANCE.GetMonitorRedGreenOrBlueGain(hPhysicalMonitor, ptGainType, pdwMinimumGain, pdwCurrentGain, pdwMaximumGain);
System.out.println("Red Gain Min: " + pdwMinimumSize.getValue());
System.out.println("Red Gain Current: " + pdwCurrentSize.getValue());
System.out.println("Red Gain Max: " + pdwMaximumSize.getValue());
// Drive
MC_DRIVE_TYPE ptDriveType = MC_DRIVE_TYPE.MC_RED_DRIVE;
DWORDByReference pdwMinimumDrive = new DWORDByReference();
DWORDByReference pdwCurrentDrive = new DWORDByReference();
DWORDByReference pdwMaximumDrive = new DWORDByReference();
Dxva2.INSTANCE.GetMonitorRedGreenOrBlueDrive(hPhysicalMonitor, ptDriveType, pdwMinimumDrive, pdwCurrentDrive, pdwMaximumDrive);
System.out.println("Red Drive Min: " + pdwMinimumSize.getValue());
System.out.println("Red Drive Current: " + pdwCurrentSize.getValue());
System.out.println("Red Drive Max: " + pdwMaximumSize.getValue());
// Timing Report
MC_TIMING_REPORT pmtrMonitorTimingReport = new MC_TIMING_REPORT();
Dxva2.INSTANCE.GetTimingReport(hPhysicalMonitor, pmtrMonitorTimingReport);
System.out.println("HorizontalFrequencyInHZ " + pmtrMonitorTimingReport.dwHorizontalFrequencyInHZ);
System.out.println("VerticalFrequencyInHZ " + pmtrMonitorTimingReport.dwVerticalFrequencyInHZ);
System.out.println("--------------------------------------");
}
}