include/vcl/GestureEventZoom.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  */
  10
  11 #pragma once
  12
  13 #include <vcl/dllapi.h>
  14
  15 enum class GestureEventZoomType
  16 {
  17     Begin,
  18     Update,
  19     End
  20 };
  21
  22 class VCL_DLLPUBLIC GestureEventZoom
  23 {
  24 public:
  25     sal_Int32 mnX = 0;
  26     sal_Int32 mnY = 0;
  27
  28     GestureEventZoomType meEventType = GestureEventZoomType::Begin;
  29
  30     // The difference of between the current gesture scale and the scale at the beginning of the
  31     // gesture.
  32     double mfScaleDelta = 0;
  33
  34     GestureEventZoom() = default;
  35
  36     GestureEventZoom(sal_Int32 nX, sal_Int32 nY, GestureEventZoomType eEventType,
  37                      double fScaleDelta)
  38         : mnX(nX)
  39         , mnY(nY)
  40         , meEventType(eEventType)
  41         , mfScaleDelta(fScaleDelta)
  42     {
  43     }
  44 };
  45
  46 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */