Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 38 insertions, 0 deletions

diff --git a/include/basegfx/polygon/WaveLine.hxx b/include/basegfx/polygon/WaveLine.hxx
new file mode 100644
index 000000000..b839c7519
--- /dev/null
+++ b/include/basegfx/polygon/WaveLine.hxx
@@ -0,0 +1,38 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ */
+
+#pragma once
+
+#include <basegfx/basegfxdllapi.h>
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <basegfx/range/b2drectangle.hxx>
+
+namespace basegfx
+{
+// Creates a polygon of a wave line in the input rectangle.
+//
+// The polygon is created with points at the center of the rectangle,
+// and the quadratic control points at the upper and lower side. See
+// the diagram below.
+//
+// *----Q---------------Q------------*
+// |                                 |
+// |P-------P-------P-------P-------P|
+// |                                 |
+// *------------Q---------------Q----*
+//
+// P is the point
+// Q is the quadratic bezier control point
+//
+BASEGFX_DLLPUBLIC B2DPolygon createWaveLinePolygon(basegfx::B2DRectangle const& rRectangle);
+
+} // end of namespace basegfx
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */