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-rw-r--r--include/vcl/GestureEventZoom.hxx46
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diff --git a/include/vcl/GestureEventZoom.hxx b/include/vcl/GestureEventZoom.hxx
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+++ b/include/vcl/GestureEventZoom.hxx
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+/* -*- 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 <vcl/dllapi.h>
+
+enum class GestureEventZoomType
+{
+ Begin,
+ Update,
+ End
+};
+
+class VCL_DLLPUBLIC GestureEventZoom
+{
+public:
+ sal_Int32 mnX = 0;
+ sal_Int32 mnY = 0;
+
+ GestureEventZoomType meEventType = GestureEventZoomType::Begin;
+
+ // The difference of between the current gesture scale and the scale at the beginning of the
+ // gesture.
+ double mfScaleDelta = 0;
+
+ GestureEventZoom() = default;
+
+ GestureEventZoom(sal_Int32 nX, sal_Int32 nY, GestureEventZoomType eEventType,
+ double fScaleDelta)
+ : mnX(nX)
+ , mnY(nY)
+ , meEventType(eEventType)
+ , mfScaleDelta(fScaleDelta)
+ {
+ }
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */