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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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_SLIDESHOW_SOURCE_INC_TRANSITIONINFO_HXX
#define INCLUDED_SLIDESHOW_SOURCE_INC_TRANSITIONINFO_HXX
#include <sal/types.h>
namespace slideshow::internal {
struct TransitionInfo
{
// the following two member serve as the search key
// for an incoming XTransitionFilter node
// {
sal_Int16 mnTransitionType;
sal_Int16 mnTransitionSubType;
// }
/** This enum classifies a transition type
*/
enum TransitionClass
{
/// Invalid type
TRANSITION_INVALID,
/// Transition expressed by parametric clip polygon
TRANSITION_CLIP_POLYPOLYGON,
/// Transition expressed by hand-crafted function
TRANSITION_SPECIAL
};
/// class of effect handling
TransitionClass meTransitionClass;
/// Rotation angle of clip polygon
double mnRotationAngle;
/// X scaling of clip polygon (negative values mirror)
double mnScaleX;
/// Y scaling of clip polygon (negative values mirror)
double mnScaleY;
/** This enum determines the method how to reverse
a parametric clip polygon transition.
A reversed transition runs in the geometrically
opposite direction. For a left-to-right bar wipe, the
reversed transition is a right-to-left wipe, whereas
for an iris transition, the reversed mode will show
the target in the outer area (instead of in the inner
area, as in normal mode).
*/
enum class ReverseMethod
{
/** Ignore direction attribute altogether
(if it has no sensible meaning for this transition)
*/
Ignore,
/** Combination of ReverseMethod::InvertSweep and
ReverseMethod::SubtractPolygon.
*/
SubtractAndInvert,
/// Reverse by rotating polygon 180 degrees
Rotate180,
/// Reverse by flipping polygon at the y (!) axis
FlipX,
/// Reverse by flipping polygon at the x (!) axis
FlipY
};
/** Indicating the method to use when transition
should be 'reversed'.
@see ReverseMethod
*/
ReverseMethod meReverseMethod;
/** When true, transition 'out' effects are realized
by inverting the parameter sweep direction (1->0
instead of 0->1). Otherwise, 'out' effects are
realized by changing inside and outside areas of
the parametric poly-polygon.
*/
bool mbOutInvertsSweep;
/** when true, scale clip polygon isotropically to
target size. when false, scale is
anisotropically.
*/
bool mbScaleIsotrophically;
/// Compare against type and subtype
class Comparator
{
sal_Int16 mnTransitionType;
sal_Int16 mnTransitionSubType;
public:
Comparator( sal_Int16 nTransitionType,
sal_Int16 nTransitionSubType )
: mnTransitionType( nTransitionType ),
mnTransitionSubType( nTransitionSubType ) {}
bool operator()( const TransitionInfo& rEntry ) const {
return rEntry.mnTransitionType == mnTransitionType &&
rEntry.mnTransitionSubType == mnTransitionSubType;
}
};
};
} // namespace presentation::internal
#endif // INCLUDED_SLIDESHOW_SOURCE_INC_TRANSITIONINFO_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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