* The class contains constants with libgamma error * codes. It does however not contain system error codes. */ @SuppressWarnings("serial") public class LibgammaException extends Exception { /** * Type initialiser */ static { Libgamma.initialise(); } /** * This error code is never used. It is only provided * so you know its error code if you plan to iterate * over all libgamma error codes. */ public static final int LIBGAMMA_ERRNO_SET = -1; /** * The selected adjustment method does not exist * or has been excluded at compile-time */ public static final int LIBGAMMA_NO_SUCH_ADJUSTMENT_METHOD = -2; /** * The selected site does not exist */ public static final int LIBGAMMA_NO_SUCH_SITE = -3; /** * The selected partition does not exist */ public static final int LIBGAMMA_NO_SUCH_PARTITION = -4; /** * The selected CRTC does not exist */ public static final int LIBGAMMA_NO_SUCH_CRTC = -5; /** * Counter overflowed when counting the number * of available items */ public static final int LIBGAMMA_IMPOSSIBLE_AMOUNT = -6; /** * The selected connector is disabled, it does * not have a CRTC */ public static final int LIBGAMMA_CONNECTOR_DISABLED = -7; /** * The selected CRTC could not be opened, * reason unknown */ public static final int LIBGAMMA_OPEN_CRTC_FAILED = -8; /** * The CRTC information field is not supported * by the adjustment method */ public static final int LIBGAMMA_CRTC_INFO_NOT_SUPPORTED = -9; /** * Failed to read the current gamma ramps for * the selected CRTC, reason unknown */ public static final int LIBGAMMA_GAMMA_RAMP_READ_FAILED = -10; /** * Failed to write the current gamma ramps for * the selected CRTC, reason unknown */ public static final int LIBGAMMA_GAMMA_RAMP_WRITE_FAILED = -11; /** * The specified ramp sizes does not match the * ramps sizes returned by the adjustment methods * in response to the query/command */ public static final int LIBGAMMA_GAMMA_RAMP_SIZE_CHANGED = -12; /** * The specified ramp sizes are not identical * which is required by the adjustment method *
* (Only returned in debug mode) */ public static final int LIBGAMMA_MIXED_GAMMA_RAMP_SIZE = -13; /** * The specified ramp sizes are not supported * by the adjustment method *
* (Only returned in debug mode) */ public static final int LIBGAMMA_WRONG_GAMMA_RAMP_SIZE = -14; /** * The adjustment method reported that the gamma * ramps size is 1, or perhaps even zero or negative */ public static final int LIBGAMMA_SINGLETON_GAMMA_RAMP = -15; /** * The adjustment method failed to list * available CRTC:s, reason unknown */ public static final int LIBGAMMA_LIST_CRTCS_FAILED = -16; /** * Failed to acquire mode resources from the * adjustment method */ public static final int LIBGAMMA_ACQUIRING_MODE_RESOURCES_FAILED = -17; /** * The adjustment method reported that a negative * number of partitions exists in the site */ public static final int LIBGAMMA_NEGATIVE_PARTITION_COUNT = -18; /** * The adjustment method reported that a negative * number of CRTC:s exists in the partition */ public static final int LIBGAMMA_NEGATIVE_CRTC_COUNT = -19; /** * Device cannot be access becauses of * insufficient permissions */ public static final int LIBGAMMA_DEVICE_RESTRICTED = -20; /** * Device cannot be access, reason unknown */ public static final int LIBGAMMA_DEVICE_ACCESS_FAILED = -21; /** * Device cannot be access, membership of the * {@link #group_gid} (named by {@link #group_name} * (can be {@code null}, if so errno may have * been set to tell why)) is required */ public static final int LIBGAMMA_DEVICE_REQUIRE_GROUP = -22; /** * The graphics card appear to have been removed */ public static final int LIBGAMMA_GRAPHICS_CARD_REMOVED = -23; /** * The state of the requested information is unknown */ public static final int LIBGAMMA_STATE_UNKNOWN = -24; /** * Failed to determine which connector the * CRTC belongs to */ public static final int LIBGAMMA_CONNECTOR_UNKNOWN = -25; /** * The detected connector type is not listed * in this library and has to be updated */ public static final int LIBGAMMA_CONNECTOR_TYPE_NOT_RECOGNISED = -26; /** * The detected subpixel order is not listed * in this library and has to be updated */ public static final int LIBGAMMA_SUBPIXEL_ORDER_NOT_RECOGNISED = -27; /** * The length of the EDID does not match that * of any supported EDID structure revision */ public static final int LIBGAMMA_EDID_LENGTH_UNSUPPORTED = -28; /** * The magic number in the EDID does not match * that of any supported EDID structure revision */ public static final int LIBGAMMA_EDID_WRONG_MAGIC_NUMBER = -29; /** * The EDID structure revision used by the * mointor is not supported */ public static final int LIBGAMMA_EDID_REVISION_UNSUPPORTED = -30; /** * The gamma characteristics field in the EDID * is left unspecified *
* (This could be considered a non-error) */ public static final int LIBGAMMA_GAMMA_NOT_SPECIFIED = -31; /** * The checksum in the EDID is incorrect, all * request information has been provided * by you cannot count on it */ public static final int LIBGAMMA_EDID_CHECKSUM_ERROR = -32; /** * Both of the errors {@link #LIBGAMMA_GAMMA_NOT_SPECIFIED} * and {@link #LIBGAMMA_EDID_CHECKSUM_ERROR} have occurred */ public static final int LIBGAMMA_GAMMA_NOT_SPECIFIED_AND_EDID_CHECKSUM_ERROR = -33; /** * Failed to query the gamma ramps size from the * adjustment method, reason unknown */ public static final int LIBGAMMA_GAMMA_RAMPS_SIZE_QUERY_FAILED = -34; /** * The selected partition could not be opened, * reason unknown */ public static final int LIBGAMMA_OPEN_PARTITION_FAILED = -35; /** * The selected site could not be opened, * reason unknown */ public static final int LIBGAMMA_OPEN_SITE_FAILED = -36; /** * Failed to query the adjustment method for * its protocol version, reason unknown */ public static final int LIBGAMMA_PROTOCOL_VERSION_QUERY_FAILED = -37; /** * The adjustment method's version of its * protocol is not supported */ public static final int LIBGAMMA_PROTOCOL_VERSION_NOT_SUPPORTED = -38; /** * The adjustment method failed to list * available partitions, reason unknown */ public static final int LIBGAMMA_LIST_PARTITIONS_FAILED = -39; /** * Partition exists by index, but the partition * at that index does not exist */ public static final int LIBGAMMA_NULL_PARTITION = -40; /** * There is not mointor connected to the * connector of the selected CRTC */ public static final int LIBGAMMA_NOT_CONNECTED = -41; /** * Data extraction from a reply from the * adjustment method failed, reason unknown */ public static final int LIBGAMMA_REPLY_VALUE_EXTRACTION_FAILED = -42; /** * No EDID property was found on the output */ public static final int LIBGAMMA_EDID_NOT_FOUND = -43; /** * Failed to list properties on the output, * reason unknown */ public static final int LIBGAMMA_LIST_PROPERTIES_FAILED = -44; /** * Failed to query a property's value from * the output, reason unknown */ public static final int LIBGAMMA_PROPERTY_VALUE_QUERY_FAILED = -45; /** * A request for information on an output * failed, reason unknown */ public static final int LIBGAMMA_OUTPUT_INFORMATION_QUERY_FAILED = -46; /** * The number of the libgamma error with the * lowest number. If this is lower than the * number your program thinks it should be sould * update your program for new errors. */ public static final int LIBGAMMA_ERROR_MIN = -46; /** * Constructor * * @param error_code The error code */ public LibgammaException(int error_code) { this.error_code = error_code; if (error_code == LIBGAMMA_DEVICE_REQUIRE_GROUP) { this.group_gid = libgamma_group_gid(); this.group_name = libgamma_group_name(); } else { this.group_gid = 0; this.group_name = null; } this.string = error_code < 0 ? name_of_error(error_code) : strerror(error_code); } /** * The error code *
* Cannot be {@link #LIBGAMMA_ERRNO_SET} */ public final int error_code; /** * Group that the user needs to be a member of if * {@link #error_code} is {@link #LIBGAMMA_DEVICE_REQUIRE_GROUP} */ public final int group_gid; /** * Group that the user needs to be a member of if * {@link #error_code} is {@link #LIBGAMMA_DEVICE_REQUIRE_GROUP}, * {@code null} if the name of the group {@link #group_gid} * cannot be determined */ public final String group_name; /** * Name of textual description of the error */ public final String string; /** * {@inheritDoc} */ @Override public String toString() { return this.string; } /** * Returns the name of the definition associated with * a libgamma error code * * @param value The error code * @return The name of the definition associated with the error code, * {@code null} if the error code does not exist */ public static native String name_of_error(int value); /** * Return the value of a libgamma error definition * refered to by name * * @param name The name of the definition associated with the error code * @return The error code, zero if the name is {@code null} * or does not refer to a libgamma error */ public static native int value_of_error(String name); /** * Acquire the value that should go to {@link #group_gid} * * @return The value that should go to {@link #group_gid} */ private static native int libgamma_group_gid(); /** * Acquire the value that should go to {@link #group_name} * * @return The value that should go to {@link #group_name} */ private static native String libgamma_group_name(); /** * Get a textual description of a system error code * * @param error_code The error code * @return A textual description of the error code */ private static native String strerror(int error_code); }