add states

Signed-off-by: Mattias Andrée <maandree@operamail.com>

1 files changed, 135 insertions, 0 deletions

diff --git a/src/libgamma/CRTC.java b/src/libgamma/CRTC.java
new file mode 100644
index 0000000..8ae4d2a
--- /dev/null
+++ b/src/libgamma/CRTC.java
@@ -0,0 +1,135 @@
+/**
+ * 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/>.
+ */
+package libgamma;
+
+
+/**
+ * Cathode ray tube controller state.
+ * 
+ * The CRTC controls the gamma ramps for the
+ * monitor that is plugged in to the connector
+ * that the CRTC belongs to.
+ */
+public class CRTC
+{
+    /**
+     * Constructor.
+     * 
+     * @param  partition  The partition this CRTC belongs to.
+     * @param  crtc       The index of the CRTC within its partition.
+     */
+    public CRTC(Partition partition, int crtc) throws LibgammaException
+    {
+	this.partition = partition;
+	this.crtc = crtc;
+	long[] r = libgamma_crtc_create(partition.address, crtc);
+	this.address = r[0];
+	if (r[1] != 0)
+	    throw new LibgammaException((int)(r[1]));
+    }
+    
+    
+    /**
+     * The partition this CRTC belongs to.
+     */
+    public final Partition partition;
+  
+    /**
+     * The index of the CRTC within its partition.
+     */
+    public final int crtc;
+    
+    /**
+     * The address of the native object.
+     */
+    final long address;
+    
+    
+    /**
+     * Release resources.
+     */
+    public void close()
+    {
+	libgamma_crtc_free(this.address);
+    }
+    
+    /**
+     * Restore the gamma ramps for the CRTC to the system settings.
+     */
+    public void restore() throws LibgammaException
+    {
+	int r = libgamma_crtc_restore(this.address);
+	if (r != 0)
+	    throw new LibgammaException(r);
+    }
+    
+    /**
+     * Read information about the CRTC.
+     * 
+     * @param   fields  OR:ed identifiers for the information about the CRTC that should be read.
+     * @return          Information about the CRTC.
+     */
+    public CRTCInformation get_information(int fields)
+    {
+	Object[] r = libgamma_get_crtc_information(this.address, fields);
+	byte[] edid = (byte[])(r[0]);
+	String connector_name = (String)(r[1]);
+	float[] gamma = (float[])(r[2]);
+	int[] ints = (int[])(r[3]);
+	return new CRTCInformation(edid, connector_name, gamma, ints);
+    }
+    
+    
+    
+    /**
+     * Create a CRTC state.
+     * 
+     * @param   partition  The partition state for the partition that the CRTC belongs to.
+     * @param   crtc       The index of the CRTC within the partition.
+     * @return             Element 0:  The value for {@link #address}.
+     *                     Element 1:  Error code, zero on success.
+     */
+    private static native long[] libgamma_crtc_create(long partition, int crtc);
+    
+    /**
+     * Release all resources held by a CRTC state
+     * and free the CRTC state pointer.
+     * 
+     * @param  address  The CRTC state.
+     */
+    private static native void libgamma_crtc_free(long address);
+    
+    /**
+     * Restore the gamma ramps for a CRTC to the system settings for that CRTC.
+     * 
+     * @param   address  The CRTC state.
+     * @return           Zero on success, and error code on failure.
+     */
+    private static native int libgamma_crtc_restore(long address);
+    
+    /**
+     * Read information about a CRTC.
+     * 
+     * @param   crtc    The state of the CRTC whose information should be read.
+     * @param   fields  OR:ed identifiers for the information about the CRTC that should be read.
+     * @return          Input parameters for the constructor of {@link CRTCInformation}
+     */
+    private static native Object[] libgamma_get_crtc_information(long crtc, int fields);
+    
+}
+