static GdkPixbuf *
pixbuf_from_data_with_size_data (const guchar * buff,
size_t len,
struct RsvgSizeCallbackData *data,
const char *base_uri,
const char *id,
GError ** error)
{
RsvgHandle *handle;
GdkPixbuf *retval;
handle = rsvg_handle_new ();
if (!handle) {
g_set_error (error, rsvg_error_quark (), 0, _("Error creating SVG reader"));
return NULL;
}
rsvg_handle_set_size_callback (handle, _rsvg_size_callback, data, NULL);
rsvg_handle_set_base_uri (handle, base_uri);
if (!rsvg_handle_write (handle, buff, len, error)) {
g_object_unref (G_OBJECT (handle));
return NULL;
}
if (!rsvg_handle_close (handle, error)) {
g_object_unref (G_OBJECT (handle));
return NULL;
}
retval = rsvg_handle_get_pixbuf_sub (handle, id);
g_object_unref (G_OBJECT (handle));
return retval;
}
static VALUE
rb_rsvg_handle_get_pixbuf(int argc, VALUE *argv, VALUE self)
{
VALUE id;
VALUE rb_pixbuf;
GdkPixbuf *pixbuf = NULL;
rb_scan_args(argc, argv, "01", &id);
if (NIL_P(id)) {
pixbuf = rsvg_handle_get_pixbuf(_SELF(self));
} else {
#ifdef HAVE_RSVG_HANDLE_GET_PIXBUF_SUB
pixbuf = rsvg_handle_get_pixbuf_sub(_SELF(self),
(const char *)RVAL2CSTR(id));
#else
rb_warning("rsvg_handle_get_pixbuf_sub isn't "
"supported in your librsvg");
#endif
}
rb_pixbuf = GOBJ2RVAL(pixbuf);
if (pixbuf)
g_object_unref(pixbuf);
return rb_pixbuf;
}
JNIEXPORT jlong JNICALL
Java_org_gnome_rsvg_RsvgHandle_rsvg_1handle_1get_1pixbuf_1sub
(
JNIEnv* env,
jclass cls,
jlong _self,
jstring _id
)
{
GdkPixbuf* result;
jlong _result;
RsvgHandle* self;
const char* id;
// convert parameter self
self = (RsvgHandle*) _self;
// convert parameter id
id = (const char*) bindings_java_getString(env, _id);
if (id == NULL) {
return 0L; // Java Exception already thrown
}
// call function
result = rsvg_handle_get_pixbuf_sub(self, id);
// cleanup parameter self
// cleanup parameter id
bindings_java_releaseString(id);
// translate return value to JNI type
_result = (jlong) result;
// cleanup return value
if (result != NULL) {
bindings_java_memory_cleanup((GObject*)result, FALSE);
}
// and finally
return _result;
}
/**
* rsvg_handle_get_pixbuf:
* @handle: An #RsvgHandle
*
* Returns the pixbuf loaded by #handle. The pixbuf returned will be reffed, so
* the caller of this function must assume that ref. If insufficient data has
* been read to create the pixbuf, or an error occurred in loading, then %NULL
* will be returned. Note that the pixbuf may not be complete until
* @rsvg_handle_close has been called.
*
* Returns: (transfer full): the pixbuf loaded by #handle, or %NULL.
**/
GdkPixbuf *
rsvg_handle_get_pixbuf (RsvgHandle * handle)
{
return rsvg_handle_get_pixbuf_sub (handle, NULL);
}
