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authorMattias Andrée <maandree@operamail.com>2014-09-05 02:19:57 +0200
committerMattias Andrée <maandree@operamail.com>2014-09-05 02:19:57 +0200
commitee77c10f17d3100ed578544e0d40d3834fd1303f (patch)
tree6202a13eea8abc12784135f0bb735405ef0da73c
parentimplamant c code for site (diff)
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implement c code for adjustmentmethod
Signed-off-by: Mattias Andrée <maandree@operamail.com>
-rw-r--r--src/libgamma_AdjustmentMethod.c101
1 files changed, 96 insertions, 5 deletions
diff --git a/src/libgamma_AdjustmentMethod.c b/src/libgamma_AdjustmentMethod.c
index 2135238..76c4877 100644
--- a/src/libgamma_AdjustmentMethod.c
+++ b/src/libgamma_AdjustmentMethod.c
@@ -17,12 +17,20 @@
*/
#include "libgamma_AdjustmentMethod.h"
+#include <stdlib.h>
+#include <string.h>
+
#include <libgamma.h>
#define J JNIEnv* env, jclass class
+#if LIBGAMMA_METHOD_COUNT > 6
+# error LIBGAMMA_METHOD_COUNT has been updated
+#endif
+
+
/**
* List available adjustment methods by their order of preference based on the environment.
@@ -36,7 +44,25 @@
* Other values invoke undefined behaviour.
* @return List available adjustment methods by their order of preference.
*/
-jintArray Java_libgamma_AdjustmentMethod_libgamma_1list_1methods(J, jint operation);
+jintArray Java_libgamma_AdjustmentMethod_libgamma_1list_1methods(J, jint operation)
+{
+ int methods[LIBGAMMA_METHOD_COUNT];
+ size_t i, n;
+ jintArray rc;
+
+ n = libgamma_list_methods(methods, LIBGAMMA_METHOD_COUNT, operation);
+ if (n > LIBGAMMA_METHOD_COUNT)
+ abort(); /* Prevented by the #if above and package maintenance. */
+
+ rc = (*env)->NewIntArray(env, n);
+
+ /* Remember, jint is 32 bits, int is 16+ bits. */
+ for (i = 0; i < n; i++)
+ (*env)->SetIntArrayRegion(env, rc, i, 1, methods + i);
+
+ return rc;
+ (void) class;
+}
/**
@@ -46,7 +72,12 @@ jintArray Java_libgamma_AdjustmentMethod_libgamma_1list_1methods(J, jint operati
* @param method The adjustment method.
* @return Whether the adjustment method is available.
*/
-jint Java_libgamma_AdjustmentMethod_libgamma_1is_1method_1available(J, jint method);
+jint Java_libgamma_AdjustmentMethod_libgamma_1is_1method_1available(J, jint method)
+{
+ return libgamma_is_method_available(method);
+ (void) env;
+ (void) class;
+}
@@ -56,7 +87,31 @@ jint Java_libgamma_AdjustmentMethod_libgamma_1is_1method_1available(J, jint meth
* @param method The adjustment method (display server and protocol).
* @return Input parameter to the constructor of {@link AdjustmentMethodCapabilities}.
*/
-jlong Java_libgamma_AdjustmentMethod_libgamma_1method_1capabilities(J, jint method);
+jlong Java_libgamma_AdjustmentMethod_libgamma_1method_1capabilities(J, jint method)
+{
+ libgamma_method_capabilities_t caps;
+ jlong rc;
+
+ libgamma_method_capabilities(&caps, method);
+ rc = (jlong)(caps.crtc_information);
+ rc &= 0xFFFFFFFFLL;
+ rc |= caps.default_site_known ? (1LL < 33) : 0;
+ rc |= caps.multiple_sites ? (1LL < 34) : 0;
+ rc |= caps.multiple_partitions ? (1LL < 35) : 0;
+ rc |= caps.multiple_crtcs ? (1LL < 36) : 0;
+ rc |= caps.partitions_are_graphics_cards ? (1LL < 37) : 0;
+ rc |= caps.site_restore ? (1LL < 38) : 0;
+ rc |= caps.partition_restore ? (1LL < 39) : 0;
+ rc |= caps.crtc_restore ? (1LL < 40) : 0;
+ rc |= caps.identical_gamma_sizes ? (1LL < 41) : 0;
+ rc |= caps.fixed_gamma_size ? (1LL < 42) : 0;
+ rc |= caps.fixed_gamma_depth ? (1LL < 43) : 0;
+ rc |= caps.real ? (1LL < 44) : 0;
+ rc |= caps.fake ? (1LL < 45) : 0;
+ return rc;
+ (void) env;
+ (void) class;
+}
/**
@@ -66,7 +121,25 @@ jlong Java_libgamma_AdjustmentMethod_libgamma_1method_1capabilities(J, jint meth
* @return The default site, {@code null} if it cannot be determined or
* if multiple sites are not supported by the adjustment method.
*/
-jstring Java_libgamma_AdjustmentMethod_libgamma_1method_1default_1site(J, jint method);
+jstring Java_libgamma_AdjustmentMethod_libgamma_1method_1default_1site(J, jint method)
+{
+ /* It is really unlikely that `malloc` returns `NULL` here
+ * and error handing makes this unnecessarily comples,
+ * therefore we will simply skip it. */
+
+ char* do_not_free_this = libgamma_method_default_site(method);
+ char* this_will_be_freed;
+ size_t n;
+ if (do_not_free_this == NULL)
+ return NULL;
+
+ n = strlen(do_not_free_this) + 1;
+ this_will_be_freed = malloc(n * sizeof(char));
+ memcpy(this_will_be_freed, do_not_free_this, n * sizeof(char));
+
+ return (*env)->NewStringUTF(env, this_will_be_freed);
+ (void) class;
+}
/**
@@ -78,5 +151,23 @@ jstring Java_libgamma_AdjustmentMethod_libgamma_1method_1default_1site(J, jint m
* default site. {@code null} if there is none, that is,
* if the method does not support multiple sites.
*/
-jstring Java_libgamma_AdjustmentMethod_libgamma_1method_1default_1site_1variable(J, jint method);
+jstring Java_libgamma_AdjustmentMethod_libgamma_1method_1default_1site_1variable(J, jint method)
+{
+ /* It is really unlikely that `malloc` returns `NULL` here
+ * and error handing makes this unnecessarily comples,
+ * therefore we will simply skip it. */
+
+ const char* do_not_free_this = libgamma_method_default_site_variable(method);
+ char* this_will_be_freed;
+ size_t n;
+ if (do_not_free_this == NULL)
+ return NULL;
+
+ n = strlen(do_not_free_this) + 1;
+ this_will_be_freed = malloc(n * sizeof(char));
+ memcpy(this_will_be_freed, do_not_free_this, n * sizeof(char));
+
+ return (*env)->NewStringUTF(env, this_will_be_freed);
+ (void) class;
+}