/**
* Used by GtkFramePeer
*/
GdkPixbuf *cp_gtk_image_get_pixbuf (JNIEnv *env, jobject obj)
{
jclass cls;
jfieldID data_fid;
jobject data;
cls = (*env)->GetObjectClass (env, obj);
data_fid = (*env)->GetFieldID (env, cls, "pixbuf",
"Lgnu/classpath/Pointer;");
g_assert (data_fid != 0);
data = (*env)->GetObjectField (env, obj, data_fid);
if (data == NULL)
return NULL;
return (GdkPixbuf *)JCL_GetRawData (env, data);
}
int
JCL_init_buffer(JNIEnv *env, struct JCL_buffer *buf, jobject bbuf)
{
jobject address = (*env)->GetObjectField(env, bbuf, address_fid);
buf->position = (*env)->CallIntMethod(env, bbuf, get_position_mid);
buf->limit = (*env)->CallIntMethod(env, bbuf, get_limit_mid);
buf->offset = 0;
buf->count = 0;
buf->type = UNKNOWN;
if (address != NULL)
{
buf->ptr = (jbyte *) JCL_GetRawData(env, address);
buf->type = DIRECT;
(*env)->DeleteLocalRef(env, address);
}
else
{
jboolean has_array;
has_array = (*env)->CallBooleanMethod(env, bbuf, has_array_mid);
if (has_array == JNI_TRUE)
{
jbyteArray arr;
buf->offset = (*env)->CallIntMethod(env, bbuf, array_offset_mid);
arr = (*env)->CallObjectMethod(env, bbuf, array_mid);
buf->ptr = (*env)->GetByteArrayElements(env, arr, 0);
buf->type = ARRAY;
(*env)->DeleteLocalRef(env, arr);
}
else
{
return -1;
}
}
return 0;
}
