1 files changed, 59 insertions, 0 deletions
diff --git a/src/display/sp-canvas-util.h b/src/display/sp-canvas-util.h
new file mode 100644
index 0000000..f58deb1
--- /dev/null
+++ b/src/display/sp-canvas-util.h
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef SEEN_SP_CANVAS_UTILS_H
+#define SEEN_SP_CANVAS_UTILS_H
+
+/*
+ * Helper stuff for SPCanvas
+ *
+ * Authors:
+ *   Lauris Kaplinski <lauris@kaplinski.com>
+ *
+ * Copyright (C) 1999-2002 authors
+ * Copyright (C) 2001-2002 Ximian, Inc.
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <glibmm/value.h>
+
+struct SPCanvasItem;
+struct SPCanvasBuf;
+
+namespace Geom {
+    class Affine;
+}
+
+/* Miscellaneous utility & convenience functions for general canvas objects */
+
+void sp_canvas_update_bbox (SPCanvasItem *item, int x1, int y1, int x2, int y2);
+void sp_canvas_item_reset_bounds (SPCanvasItem *item);
+void sp_canvas_prepare_buffer (SPCanvasBuf *buf);
+
+/* get i2p (item to parent) affine transformation as general 6-element array */
+
+Geom::Affine sp_canvas_item_i2p_affine (SPCanvasItem * item);
+
+/* get i2i (item to item) affine transformation as general 6-element array */
+
+Geom::Affine sp_canvas_item_i2i_affine (SPCanvasItem * from, SPCanvasItem * to);
+
+/* set item affine matrix to achieve given i2w matrix */
+
+void sp_canvas_item_set_i2w_affine (SPCanvasItem * item, Geom::Affine const & aff);
+
+void sp_canvas_item_move_to_z (SPCanvasItem * item, gint z);
+
+gint sp_canvas_item_compare_z (SPCanvasItem * a, SPCanvasItem * b);
+
+#endif
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :