/**
* jlibgamma -- Display server abstraction layer for gamma ramp and Java
* Copyright (C) 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/>.
*/
#include "libgamma_CRTC.h"
#include <errno.h>
#include <stdlib.h>
#include <libgamma.h>
#define J JNIEnv* env, jclass class
/**
* Make a failure-return.
*
* @param error_code The error code returned from the failing function or zero to read `errno`.
* @return The object to return.
*/
static jlongArray fail(JNIEnv* env, int error_code)
{
jlongArray rc = (*env)->NewLongArray(env, 2);
jlong e, z = 0;
if ((error_code == LIBGAMMA_ERRNO_SET) || !error_code)
error_code = errno;
e = (jlong)error_code;
(*env)->SetLongArrayRegion(env, rc, 0, 1, &z);
(*env)->SetLongArrayRegion(env, rc, 1, 1, &e);
return rc;
}
/**
* Make a success-return.
*
* @param state The native object.
* @return The object to return.
*/
static jlongArray ok(JNIEnv* env, void* state)
{
jlong a = (jlong)(size_t)state, z = 0;
jlongArray rc = (*env)->NewLongArray(env, 2);
(*env)->SetLongArrayRegion(env, rc, 0, 1, &a);
(*env)->SetLongArrayRegion(env, rc, 1, 1, &z);
return rc;
}
/**
* 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.
*/
jlongArray Java_libgamma_CRTC_libgamma_1crtc_1create(J, jlong partition, jint crtc)
{
libgamma_crtc_state_t* state = malloc(sizeof(libgamma_crtc_state_t));
void* super = (void*)(size_t)partition;
int r;
if (state == NULL)
return fail(env, 0);
r = libgamma_crtc_initialise(state, super, crtc);
if (r != 0)
return fail(env, r);
return ok(env, state);
(void) class;
}
/**
* Release all resources held by a CRTC state
* and free the CRTC state pointer.
*
* @param address The CRTC state.
*/
void Java_libgamma_CRTC_libgamma_1crtc_1free(J, jlong address)
{
void* this = (void*)(size_t)address;
libgamma_crtc_free(this);
(void) env;
(void) class;
}
/**
* 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.
*/
jint Java_libgamma_CRTC_libgamma_1crtc_1restore(J, jlong address)
{
void* this = (void*)(size_t)address;
int r = libgamma_crtc_restore(this);
if (r != 0)
return r == LIBGAMMA_ERRNO_SET ? errno : r;
return 0;
(void) env;
(void) class;
}
/**
* 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}
*/
jobjectArray Java_libgamma_CRTC_libgamma_1get_1crtc_1information(J, jlong crtc, jint fields)
{
void* this_voidp = (void*)(size_t)crtc;
libgamma_crtc_state_t* this = this_voidp;
jbyteArray edid = NULL;
jstring connector_name = NULL;
jclass class_of_jobject = (*env)->FindClass(env, "java/lang/Object");
jintArray ints_ = (*env)->NewIntArray(env, 25);
jfloatArray gamma_ = (*env)->NewFloatArray(env, 3);
jobjectArray rc = (*env)->NewObjectArray(env, 4, class_of_jobject, NULL);
libgamma_crtc_information_t info;
jint ints[25];
jfloat gamma[3];
libgamma_get_crtc_information(&info, this, fields);
if (info.edid != NULL)
{
edid = (*env)->NewByteArray(env, info.edid_length);
(*env)->SetByteArrayRegion(env, edid, 0, info.edid_length, (const jbyte*)(info.edid));
free(info.edid);
}
if (connector_name != NULL)
connector_name = (*env)->NewStringUTF(env, info.connector_name);
gamma[0] = (jfloat)info.gamma_red;
gamma[1] = (jfloat)info.gamma_green;
gamma[2] = (jfloat)info.gamma_blue;
ints[0] = (jint)info.edid_error;
ints[1] = (jint)info.width_mm;
ints[2] = (jint)info.width_mm_error;
ints[3] = (jint)info.height_mm;
ints[4] = (jint)info.height_mm_error;
ints[5] = (jint)info.width_mm_edid;
ints[6] = (jint)info.width_mm_edid_error;
ints[7] = (jint)info.height_mm_edid;
ints[8] = (jint)info.height_mm_edid_error;
ints[9] = (jint)info.red_gamma_size;
ints[10] = (jint)info.green_gamma_size;
ints[11] = (jint)info.blue_gamma_size;
ints[12] = (jint)info.gamma_size_error;
ints[13] = (jint)info.gamma_depth;
ints[14] = (jint)info.gamma_depth_error;
ints[15] = (jint)info.gamma_support;
ints[16] = (jint)info.gamma_support_error;
ints[17] = (jint)info.subpixel_order;
ints[18] = (jint)info.subpixel_order_error;
ints[19] = (jint)info.active;
ints[20] = (jint)info.active_error;
ints[21] = (jint)info.connector_name_error;
ints[22] = (jint)info.connector_type;
ints[23] = (jint)info.connector_type_error;
ints[24] = (jint)info.gamma_error;
(*env)->SetIntArrayRegion(env, ints_, 0, 25, ints);
(*env)->SetFloatArrayRegion(env, gamma_, 0, 3, gamma);
(*env)->SetObjectArrayElement(env, rc, 0, edid);
(*env)->SetObjectArrayElement(env, rc, 1, connector_name);
(*env)->SetObjectArrayElement(env, rc, 2, gamma_);
(*env)->SetObjectArrayElement(env, rc, 3, ints_);
return rc;
(void) class;
}
/**
* Get the current gamma ramps for a CRTC, 8-bit gamma-depth version.
*
* @param address The CRTC state.
* @param ramps The gamma ramps to fill with the current values
* @return Zero on success, an error code on failure.
*/
jint Java_libgamma_CRTC_libgamma_1crtc_1get_1gamma_1ramps8(J, jlong address, jlong ramps)
{
void* crtc_voidp = (void*)(size_t)address;
libgamma_crtc_state_t* crtc = crtc_voidp;
void* output_voidp = (void*)(size_t)ramps;
libgamma_gamma_ramps8_t* output = output_voidp;
int r = libgamma_crtc_get_gamma_ramps8(crtc, output);
return r == LIBGAMMA_ERRNO_SET ? errno : r;
(void) env;
(void) class;
}
/**
* Set the gamma ramps for a CRTC, 8-bit gamma-depth version.
*
* @param address The CRTC state.
* @param ramps The gamma ramps to apply.
* @return Zero on success, an error code on failure.
*/
jint Java_libgamma_CRTC_libgamma_1crtc_1set_1gamma_1ramps8(J, jlong address, jlong ramps)
{
void* crtc_voidp = (void*)(size_t)address;
libgamma_crtc_state_t* crtc = crtc_voidp;
void* values_voidp = (void*)(size_t)ramps;
libgamma_gamma_ramps8_t* values = values_voidp;
int r = libgamma_crtc_set_gamma_ramps8(crtc, *values);
return r == LIBGAMMA_ERRNO_SET ? errno : r;
(void) env;
(void) class;
}
/**
* Get the current gamma ramps for a CRTC, 16-bit gamma-depth version.
*
* @param address The CRTC state.
* @param ramps The gamma ramps to fill with the current values
* @return Zero on success, an error code on failure.
*/
jint Java_libgamma_CRTC_libgamma_1crtc_1get_1gamma_1ramps16(J, jlong address, jlong ramps)
{
void* crtc_voidp = (void*)(size_t)address;
libgamma_crtc_state_t* crtc = crtc_voidp;
void* output_voidp = (void*)(size_t)ramps;
libgamma_gamma_ramps16_t* output = output_voidp;
int r = libgamma_crtc_get_gamma_ramps16(crtc, output);
return r == LIBGAMMA_ERRNO_SET ? errno : r;
(void) env;
(void) class;
}
/**
* Set the gamma ramps for a CRTC, 16-bit gamma-depth version.
*
* @param address The CRTC state.
* @param ramps The gamma ramps to apply.
* @return Zero on success, an error code on failure.
*/
jint Java_libgamma_CRTC_libgamma_1crtc_1set_1gamma_1ramps16(J, jlong address, jlong ramps)
{
void* crtc_voidp = (void*)(size_t)address;
libgamma_crtc_state_t* crtc = crtc_voidp;
void* values_voidp = (void*)(size_t)ramps;
libgamma_gamma_ramps16_t* values = values_voidp;
int r = libgamma_crtc_set_gamma_ramps16(crtc, *values);
return r == LIBGAMMA_ERRNO_SET ? errno : r;
(void) env;
(void) class;
}
/**
* Get the current gamma ramps for a CRTC, 32-bit gamma-depth version.
*
* @param address The CRTC state.
* @param ramps The gamma ramps to fill with the current values.
* @return Zero on success, an error code on failure.
*/
jint Java_libgamma_CRTC_libgamma_1crtc_1get_1gamma_1ramps32(J, jlong address, jlong ramps)
{
void* crtc_voidp = (void*)(size_t)address;
libgamma_crtc_state_t* crtc = crtc_voidp;
void* output_voidp = (void*)(size_t)ramps;
libgamma_gamma_ramps32_t* output = output_voidp;
int r = libgamma_crtc_get_gamma_ramps32(crtc, output);
return r == LIBGAMMA_ERRNO_SET ? errno : r;
(void) env;
(void) class;
}
/**
* Set the gamma ramps for a CRTC, 32-bit gamma-depth version.
*
* @param address The CRTC state.
* @param ramps The gamma ramps to apply.
* @return Zero on success, an error code on failure.
*/
jint Java_libgamma_CRTC_libgamma_1crtc_1set_1gamma_1ramps32(J, jlong address, jlong ramps)
{
void* crtc_voidp = (void*)(size_t)address;
libgamma_crtc_state_t* crtc = crtc_voidp;
void* values_voidp = (void*)(size_t)ramps;
libgamma_gamma_ramps32_t* values = values_voidp;
int r = libgamma_crtc_set_gamma_ramps32(crtc, *values);
return r == LIBGAMMA_ERRNO_SET ? errno : r;
(void) env;
(void) class;
}
/**
* Get the current gamma ramps for a CRTC, 64-bit gamma-depth version.
*
* @param address The CRTC state.
* @param ramps The gamma ramps to fill with the current values.
* @return Zero on success, an error code on failure.
*/
jint Java_libgamma_CRTC_libgamma_1crtc_1get_1gamma_1ramps64(J, jlong address, jlong ramps)
{
void* crtc_voidp = (void*)(size_t)address;
libgamma_crtc_state_t* crtc = crtc_voidp;
void* output_voidp = (void*)(size_t)ramps;
libgamma_gamma_ramps64_t* output = output_voidp;
int r = libgamma_crtc_get_gamma_ramps64(crtc, output);
return r == LIBGAMMA_ERRNO_SET ? errno : r;
(void) env;
(void) class;
}
/**
* Set the gamma ramps for a CRTC, 64-bit gamma-depth version.
*
* @param address The CRTC state.
* @param ramps The gamma ramps to apply.
* @return Zero on success, an error code on failure.
*/
jint Java_libgamma_CRTC_libgamma_1crtc_1set_1gamma_1ramps64(J, jlong address, jlong ramps)
{
void* crtc_voidp = (void*)(size_t)address;
libgamma_crtc_state_t* crtc = crtc_voidp;
void* values_voidp = (void*)(size_t)ramps;
libgamma_gamma_ramps64_t* values = values_voidp;
int r = libgamma_crtc_set_gamma_ramps64(crtc, *values);
return r == LIBGAMMA_ERRNO_SET ? errno : r;
(void) env;
(void) class;
}
/**
* Set the gamma ramps for a CRTC, single precision floating point version.
*
* @param address The CRTC state.
* @param ramps The gamma ramps to apply.
* @return Zero on success, an error code on failure.
*/
jint Java_libgamma_CRTC_libgamma_1crtc_1set_1gamma_1rampsf(J, jlong address, jlong ramps)
{
void* crtc_voidp = (void*)(size_t)address;
libgamma_crtc_state_t* crtc = crtc_voidp;
void* output_voidp = (void*)(size_t)ramps;
libgamma_gamma_rampsf_t* output = output_voidp;
int r = libgamma_crtc_get_gamma_rampsf(crtc, output);
return r == LIBGAMMA_ERRNO_SET ? errno : r;
(void) env;
(void) class;
}
/**
* Get the current gamma ramps for a CRTC, single precision floating point version.
*
* @param address The CRTC state.
* @param ramps The gamma ramps to fill with the current values.
* @return Zero on success, an error code on failure.
*/
jint Java_libgamma_CRTC_libgamma_1crtc_1get_1gamma_1rampsf(J, jlong address, jlong ramps)
{
void* crtc_voidp = (void*)(size_t)address;
libgamma_crtc_state_t* crtc = crtc_voidp;
void* values_voidp = (void*)(size_t)ramps;
libgamma_gamma_rampsf_t* values = values_voidp;
int r = libgamma_crtc_set_gamma_rampsf(crtc, *values);
return r == LIBGAMMA_ERRNO_SET ? errno : r;
(void) env;
(void) class;
}
/**
* Get the current gamma ramps for a CRTC, double precision floating point version.
*
* @param address The CRTC state.
* @param ramps The gamma ramps to fill with the current values.
* @return Zero on success, an error code on failure.
*/
jint Java_libgamma_CRTC_libgamma_1crtc_1get_1gamma_1rampsd(J, jlong address, jlong ramps)
{
void* crtc_voidp = (void*)(size_t)address;
libgamma_crtc_state_t* crtc = crtc_voidp;
void* output_voidp = (void*)(size_t)ramps;
libgamma_gamma_rampsd_t* output = output_voidp;
int r = libgamma_crtc_get_gamma_rampsd(crtc, output);
return r == LIBGAMMA_ERRNO_SET ? errno : r;
(void) env;
(void) class;
}
/**
* Set the gamma ramps for a CRTC, double precision floating point version.
*
* @param address The CRTC state.
* @param ramps The gamma ramps to apply.
* @return Zero on success, an error code on failure.
*/
jint Java_libgamma_CRTC_libgamma_1crtc_1set_1gamma_1rampsd(J, jlong address, jlong ramps)
{
void* crtc_voidp = (void*)(size_t)address;
libgamma_crtc_state_t* crtc = crtc_voidp;
void* values_voidp = (void*)(size_t)ramps;
libgamma_gamma_rampsd_t* values = values_voidp;
int r = libgamma_crtc_set_gamma_rampsd(crtc, *values);
return r == LIBGAMMA_ERRNO_SET ? errno : r;
(void) env;
(void) class;
}
