implement c code for crtc

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

1 files changed, 267 insertions, 16 deletions

diff --git a/src/libgamma_CRTC.c b/src/libgamma_CRTC.c
index 947f5de..4146de6 100644
--- a/src/libgamma_CRTC.c
+++ b/src/libgamma_CRTC.c
@@ -17,6 +17,9 @@
  */
 #include "libgamma_CRTC.h"
 
+#include <errno.h>
+#include <stdlib.h>
+
 #include <libgamma.h>
 
 
@@ -25,6 +28,41 @@
 
 
 /**
+ * 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.
@@ -32,7 +70,19 @@
  * @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);
+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;
+}
 
 
 /**
@@ -41,7 +91,13 @@ jlongArray Java_libgamma_CRTC_libgamma_1crtc_1create(J, jlong partition, jint cr
  * 
  * @param  address  The CRTC state.
  */
-void Java_libgamma_CRTC_libgamma_1crtc_1free(J, jlong address);
+void Java_libgamma_CRTC_libgamma_1crtc_1free(J, jlong address)
+{
+  void* this = (void*)(size_t)address;
+  libgamma_crtc_free(this);
+  (void) env;
+  (void) class;
+}
 
 
 /**
@@ -50,7 +106,16 @@ void Java_libgamma_CRTC_libgamma_1crtc_1free(J, jlong address);
  * @param   address  The CRTC state.
  * @return           Zero on success, and error code on failure.
  */
-jint Java_libgamma_CRTC_libgamma_1crtc_1restore(J, jlong address);
+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;
+}
 
 
 /**
@@ -60,7 +125,73 @@ jint Java_libgamma_CRTC_libgamma_1crtc_1restore(J, jlong address);
  * @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);
+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;
+}
 
 
 
@@ -71,7 +202,17 @@ jobjectArray Java_libgamma_CRTC_libgamma_1get_1crtc_1information(J, jlong crtc,
  * @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);
+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;
+}
 
 
 /**
@@ -81,7 +222,17 @@ jint Java_libgamma_CRTC_libgamma_1crtc_1get_1gamma_1ramps8(J, jlong address, jlo
  * @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);
+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;
+}
 
 
 
@@ -92,7 +243,17 @@ jint Java_libgamma_CRTC_libgamma_1crtc_1set_1gamma_1ramps8(J, jlong address, jlo
  * @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);
+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;
+}
 
 
 /**
@@ -102,7 +263,17 @@ jint Java_libgamma_CRTC_libgamma_1crtc_1get_1gamma_1ramps16(J, jlong address, jl
  * @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);
+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;
+}
 
 
 
@@ -113,7 +284,17 @@ jint Java_libgamma_CRTC_libgamma_1crtc_1set_1gamma_1ramps16(J, jlong address, jl
  * @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);
+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;
+}
 
 
 /**
@@ -123,7 +304,17 @@ jint Java_libgamma_CRTC_libgamma_1crtc_1get_1gamma_1ramps32(J, jlong address, jl
  * @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);
+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;
+}
 
 
 
@@ -134,7 +325,17 @@ jint Java_libgamma_CRTC_libgamma_1crtc_1set_1gamma_1ramps32(J, jlong address, jl
  * @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);
+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;
+}
 
 
 /**
@@ -144,7 +345,17 @@ jint Java_libgamma_CRTC_libgamma_1crtc_1get_1gamma_1ramps64(J, jlong address, jl
  * @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);
+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;
+}
 
 
 
@@ -155,7 +366,17 @@ jint Java_libgamma_CRTC_libgamma_1crtc_1set_1gamma_1ramps64(J, jlong address, jl
  * @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);
+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;
+}
 
 
 /**
@@ -165,7 +386,17 @@ jint Java_libgamma_CRTC_libgamma_1crtc_1set_1gamma_1rampsf(J, jlong address, jlo
  * @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);
+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;
+}
 
 
 
@@ -176,7 +407,17 @@ jint Java_libgamma_CRTC_libgamma_1crtc_1get_1gamma_1rampsf(J, jlong address, jlo
  * @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);
+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;
+}
 
 
 /**
@@ -186,5 +427,15 @@ jint Java_libgamma_CRTC_libgamma_1crtc_1get_1gamma_1rampsd(J, jlong address, jlo
  * @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);
+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;
+}