path: root/src/Test.java

/**
 * jlibgamma — Display server abstraction layer for gamma ramp and Java
 * Copyright © 2014  Mattias Andrée (maandree@member.fsf.org)
 * 
 * This library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this library.  If not, see <http://www.gnu.org/licenses/>.
 */
import libgamma.*;


/**
 * jlibgamma test class.
 */
public class Test
{
    public static void p(boolean text)  {  System.out.println(text);  }
    public static void p(byte    text)  {  System.out.println(text);  }
    public static void p(short   text)  {  System.out.println(text);  }
    public static void p(int     text)  {  System.out.println(text);  }
    public static void p(long    text)  {  System.out.println(text);  }
    public static void p(char    text)  {  System.out.println(text);  }
    public static void p(String  text)  {  System.out.println(text);  }
    public static void p(Object  text)  {  System.out.println(text);  }
    public static void p()              {  System.out.println();      }
    
    public static void P(boolean text)  {  System.out.print(text + " ");  }
    public static void P(byte    text)  {  System.out.print(text + " ");  }
    public static void P(short   text)  {  System.out.print(text + " ");  }
    public static void P(int     text)  {  System.out.print(text + " ");  }
    public static void P(long    text)  {  System.out.print(text + " ");  }
    public static void P(char    text)  {  System.out.print(text + " ");  }
    public static void P(String  text)  {  System.out.print(text + " ");  }
    public static void P(Object  text)  {  System.out.print(text + " ");  }
    
    
    /**
     * Main test function.
     * 
     * @param  args  Command line arguments, excluding $0.
     */
    public static void main(String[] args) throws LibgammaException
    {
	p(LibgammaException.name_of_error(-3));
	p(LibgammaException.value_of_error("LIBGAMMA_NO_SUCH_SITE"));
	p();
	
	LibgammaException err = new LibgammaException(LibgammaException.LIBGAMMA_DEVICE_REQUIRE_GROUP);
	p(err.error_code);
	p(err.group_gid);
	p(err.group_name);
	p(err.string);
	err = new LibgammaException(5);
	p(err.string);
	p(err);
	p();
	
	for (AdjustmentMethod method : AdjustmentMethod.list_methods(0))  P(method.value);  p();
	for (AdjustmentMethod method : AdjustmentMethod.list_methods(1))  P(method.value);  p();
	for (AdjustmentMethod method : AdjustmentMethod.list_methods(2))  P(method.value);  p();
	for (AdjustmentMethod method : AdjustmentMethod.list_methods(3))  P(method.value);  p();
	for (AdjustmentMethod method : AdjustmentMethod.list_methods(4))  P(method.value);  p();
	p();
	
	AdjustmentMethod method = AdjustmentMethod.list_methods(0)[0];
	p(method);
	p(SubpixelOrder.HORIZONTAL_RGB);
	p(ConnectorType.VGA);
	p();
	
	p(AdjustmentMethod.X_RANDR.is_available());
	p(AdjustmentMethod.X_RANDR.get_default_site());
	p(AdjustmentMethod.X_RANDR.get_default_site_variable());
	p();
	
	for (byte b : CRTCInformation.unhex("0123456789abcdef"))  P(b & 255);  p();
	p(CRTCInformation.behex(CRTCInformation.unhex("0123456789abcdef")));
	p();
	
	Site site = new Site(method, ":0");
	p(site.partitions_available);
	p(site);
	Partition partition = new Partition(site, 0);
	p(partition.crtcs_available);
	p(partition);
	CRTC crtc = new CRTC(partition, 0);
	p(crtc);
	p();
	
	CRTCInformation info = crtc.get_information(~0);
	p(info);
	p();
	
	AdjustmentMethodCapabilities caps = method.get_capabilities();
	p(caps);
	p();
	
	GammaRamps<Ramp16> ramps = new GammaRamps<Ramp16>(info.red_gamma_size, info.green_gamma_size,
							  info.blue_gamma_size, 16);
	
	int[] saved_red = new int[ramps.red.size];
	int[] saved_green = new int[ramps.green.size];
	int[] saved_blue = new int[ramps.blue.size];
	
	crtc.get_gamma(ramps);
	
	for (int i = 0; i < ramps.red.size; i++)
	{   P(ramps.red.get(i));
	    ramps.red.set(i, (saved_red[i] = ramps.red.get(i)) / 2);
	}
	p();
	p();
	for (int i = 0; i < ramps.green.size; i++)
	{   P(ramps.green.get(i));
	    ramps.green.set(i, (saved_green[i] = ramps.green.get(i)) / 2);
	}
	p();
	p();
	for (int i = 0; i < ramps.blue.size; i++)
	{   P(ramps.blue.get(i));
	    ramps.blue.set(i, (saved_blue[i] = ramps.blue.get(i)) / 2);
	}
	p();
	p();
	
	crtc.set_gamma(ramps);
	
	try
	{   Thread.sleep(1000);
	}
	catch (InterruptedException _error)
	{   /* ignore. */
	}
	
	for (int i = 0; i < ramps.red.  size; i++)  ramps.red.  set(i, saved_red[i]);
	for (int i = 0; i < ramps.green.size; i++)  ramps.green.set(i, saved_green[i]);
	for (int i = 0; i < ramps.blue. size; i++)  ramps.blue. set(i, saved_blue[i]);
	
	crtc.set_gamma(ramps);
	
	ramps.close();
	crtc.close();
	partition.close();
	site.close();
	
	try
	{   throw new LibgammaException(0);
	}
	catch (LibgammaException error)
	{   p(error);
	}
    }
    
}