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