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authorMattias Andrée <maandree@kth.se>2022-07-21 12:45:26 +0200
committerMattias Andrée <maandree@kth.se>2022-07-21 12:45:26 +0200
commitd2386fa0e3cc5e80fcfe51f07751d13676655d76 (patch)
tree5bb04bc188f3366fe2e50cca8e05020a8cf3cb6f /src/libgamma/Site.java
parentmissed to set JAVA_HOME (diff)
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Improve makefile, change license to ISC, change code style, remove dist/
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'src/libgamma/Site.java')
-rw-r--r--src/libgamma/Site.java155
1 files changed, 0 insertions, 155 deletions
diff --git a/src/libgamma/Site.java b/src/libgamma/Site.java
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--- a/src/libgamma/Site.java
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-/**
- * 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;
-
-
-/**
- * Site state.
- *
- * On operating systems that integrate a graphical environment
- * there is usually just one site. However, one systems with
- * pluggable graphics, like Unix-like systems such as GNU/Linux
- * and the BSD:s, there can usually be any (feasible) number of
- * sites. In X.org parlance they are called displays.
- */
-public class Site
-{
- /**
- * Type initialiser.
- */
- static
- {
- Libgamma.initialise();
- }
-
-
-
- /**
- * Constructor.
- *
- * @param method The adjustmet method.
- * @param site The site identifier.
- */
- public Site(AdjustmentMethod method, String site) throws LibgammaException
- {
- this.method = method;
- this.site = site;
- long[] r = libgamma_site_create(method.value, site);
- this.address = r[0];
- this.partitions_available = (int)(r[1]);
- if (r[2] != 0)
- throw new LibgammaException((int)(r[2]));
- }
-
-
- /**
- * This field specifies, for the methods if this library,
- * which adjustment method (display server and protocol)
- * is used to adjust the gamma ramps.
- */
- public final AdjustmentMethod method;
-
- /**
- * The site identifier. It can either be {@code null} or
- * a string. {@code null} indicates the default site. On
- * systems like the Unix-like systems, where the graphics
- * are pluggable, this is usually resolved by an environment
- * variable, such as "DISPLAY" for X.org.
- */
- public final String site;
-
- /**
- * The number of partitions that is available on this site.
- * Probably the majority of display server only one partition
- * per site. However, X.org can, and traditional used to have
- * on multi-headed environments, multiple partitions per site.
- * In X.org partitions are called 'screens'. It is not to be
- * confused with monitor. A screen is a collection of monitors,
- * and the mapping from monitors to screens is a surjection.
- * On hardware-level adjustment methods, such as Direct
- * Rendering Manager, a partition is a graphics card.
- */
- public final int partitions_available;
-
- /**
- * The address of the native object.
- */
- final long address;
-
-
- /**
- * Release resources.
- */
- public void close()
- {
- libgamma_site_free(this.address);
- }
-
- /**
- * Restore the gamma ramps all CRTC:s within the site to the system settings.
- */
- public void restore() throws LibgammaException
- {
- int r = libgamma_site_restore(this.address);
- if (r != 0)
- throw new LibgammaException(r);
- }
-
-
- /**
- * {@inheritDoc}
- */
- public String toString()
- {
- return "<Site: method = " + this.method.toString() + ", " +
- "site = " + (this.site == null ? "(null)" : this.site) + ", " +
- "partitions_available = " + Integer.toString(this.partitions_available) + ">";
- }
-
-
-
-
- /**
- * Create a site state.
- *
- * @param method The adjustment method (display server and protocol.)
- * @param site The site identifier.
- * @return Element 0: The value for {@link #address}.
- * Element 1: The value for {@link #partitions_available}
- * Element 2: Error code, zero on success.
- */
- private static native long[] libgamma_site_create(int method, String site);
-
- /**
- * Release all resources held by a site state
- * and free the site state pointer.
- *
- * @param address The site state.
- */
- private static native void libgamma_site_free(long address);
-
- /**
- * Restore the gamma ramps all CRTC:s within a site to the system settings.
- *
- * @param address The site state.
- * @return Zero on success, and error code on failure.
- */
- private static native int libgamma_site_restore(long address);
-
-}
-