/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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* 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
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#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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