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diff --git a/src/seltrans-handles.h b/src/seltrans-handles.h
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+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef SEEN_SP_SELTRANS_HANDLES_H
+#define SEEN_SP_SELTRANS_HANDLES_H
+
+/*
+ * Seltrans knots
+ *
+ * Authors:
+ * Lauris Kaplinski <lauris@kaplinski.com>
+ *
+ * Copyright (C) 1999-2002 authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <vector>
+
+#include <gdk/gdk.h>
+#include <glibmm/ustring.h>
+
+#include "enums.h" // SPAnchorType
+
+typedef unsigned int guint32;
+
+namespace Inkscape {
+ class SelTrans;
+}
+
+// Colours are RRGGBBAA: FILL, OVER&DRAG, SELECTED, STROKE, OVER&DRAG
+guint32 const DEF_COLOR[] = { 0x000000ff, 0xff0066ff, 0x00ff66ff, 0x000000ff, 0x000000ff };
+guint32 const CEN_COLOR[] = { 0x000000ff, 0x000000ff, 0x00ff66ff, 0x000000ff, 0xff0000b0 };
+
+enum SPSelTransType {
+ HANDLE_STRETCH,
+ HANDLE_SCALE,
+ HANDLE_SKEW,
+ HANDLE_ROTATE,
+ HANDLE_CENTER,
+ HANDLE_SIDE_ALIGN,
+ HANDLE_CORNER_ALIGN,
+ HANDLE_CENTER_ALIGN
+};
+
+// Offset for moving from Left click to Shift Click
+const int ALIGN_SHIFT_OFFSET = 9;
+
+// Offset for handle number (handles used by alignment don't start at zero, see seltrans-handles.cpp).
+const int ALIGN_OFFSET = -13;
+
+// Which handle does what in the alignment (clicking)
+// clang-format off
+const std::vector<Glib::ustring> AlignArguments = {
+ // Left Click
+ "selection top",
+ "selection right",
+ "selection bottom",
+ "selection left",
+ "selection vcenter",
+ "selection top left",
+ "selection top right",
+ "selection bottom right",
+ "selection bottom left",
+
+ // Shift click
+ "selection anchor bottom",
+ "selection anchor left",
+ "selection anchor top",
+ "selection anchor right",
+ "selection hcenter",
+ "selection anchor bottom right",
+ "selection anchor bottom left",
+ "selection anchor top left",
+ "selection anchor top right"
+};
+// clang-format on
+
+struct SPSelTransHandle;
+
+struct SPSelTransHandle {
+ SPSelTransType type;
+ SPAnchorType anchor;
+ GdkCursorType cursor;
+ unsigned int control;
+ gdouble x, y;
+};
+// These are 4 * each handle type + 1 for center
+int const NUMHANDS = 26;
+extern SPSelTransHandle const hands[NUMHANDS];
+
+#endif // SEEN_SP_SELTRANS_HANDLES_H
+
+/*
+ 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 :