static GdkPixbuf *
_eventd_nd_pixbuf_from_file(const gchar *path, gint width, gint height)
{
GError *error = NULL;
GdkPixbufFormat *format;
GdkPixbuf *pixbuf;
if ( *path == 0 )
return NULL;
if ( ( ( width > 0 ) || ( height > 0 ) ) && ( ( format = gdk_pixbuf_get_file_info(path, NULL, NULL) ) != NULL ) && gdk_pixbuf_format_is_scalable(format) )
pixbuf = gdk_pixbuf_new_from_file_at_size(path, width, height, &error);
else
pixbuf = gdk_pixbuf_new_from_file(path, &error);
if ( pixbuf == NULL )
g_warning("Couldn't load file '%s': %s", path, error->message);
g_clear_error(&error);
return pixbuf;
}
GdkPixbuf *
eventd_nd_pixbuf_from_data(GVariant *var, gint width, gint height)
{
GdkPixbuf *pixbuf = NULL;
GError *error = NULL;
const gchar *mime_type;
GVariant *invar;
g_variant_get(var, "(m&sm&sv)", &mime_type, NULL, &invar);
if ( g_strcmp0(mime_type, "image/x.eventd.pixbuf") == 0 )
{
gboolean a;
gint b, w, h, s, n;
GVariant *data;
g_variant_get(invar, "(iiibii@ay)", &w, &h, &s, &a, &b, &n, &data);
/* This is the only format gdk-pixbuf can read */
if ( ( b == 8 ) && ( n == ( a ? 4 : 3 ) ) && ( h * s == (gint) g_variant_get_size(data) ) )
return gdk_pixbuf_new_from_data(g_variant_get_data(data), GDK_COLORSPACE_RGB, a, b, w, h, s, _eventd_nd_pixbuf_free_data, data);
g_variant_unref(data);
goto end;
}
if ( ! g_variant_is_of_type(invar, G_VARIANT_TYPE_BYTESTRING) )
goto end;
GdkPixbufLoader *loader;
const guchar *data;
gsize length;
data = g_variant_get_data(invar);
length = g_variant_get_size(invar);
if ( mime_type != NULL )
{
loader = gdk_pixbuf_loader_new_with_mime_type(mime_type, &error);
if ( loader == NULL )
{
g_warning("Couldn't create loader for MIME type '%s': %s", mime_type, error->message);
goto end;
}
GdkPixbufFormat *format;
if ( ( ( width > 0 ) || ( height > 0 ) ) && ( ( format = gdk_pixbuf_loader_get_format(loader) ) != NULL ) && gdk_pixbuf_format_is_scalable(format) )
gdk_pixbuf_loader_set_size(loader, width, height);
}
else
loader = gdk_pixbuf_loader_new();
if ( ! gdk_pixbuf_loader_write(loader, data, length, &error) )
{
g_warning("Couldn't write image data: %s", error->message);
goto error;
}
if ( ! gdk_pixbuf_loader_close(loader, &error) )
{
g_warning("Couldn't load image data: %s", error->message);
goto error;
}
pixbuf = g_object_ref(gdk_pixbuf_loader_get_pixbuf(loader));
error:
g_object_unref(loader);
end:
g_variant_unref(invar);
g_variant_unref(var);
g_clear_error(&error);
return pixbuf;
}
static VALUE
rg_scalable_p(VALUE self)
{
return CBOOL2RVAL(gdk_pixbuf_format_is_scalable(_SELF(self)));
}
