animsand.h
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上传日期:2007-06-06
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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #ifndef ANIMSAND_H
- #define ANIMSAND_H
- // Forward declarations
- class CSmilAnimateElement;
- class CAttr;
- class CHXString;
- class CHXSimpleList;
- class CSmilParser;
- #if defined(HELIX_FEATURE_SMIL2_ANIMATION)
- class CAnimationSandwichLayer
- {
- public:
- CAnimationSandwichLayer(CSmilAnimateElement* pElement,
- UINT32 ulAttrName,
- CSmilParser* pParser);
- virtual ~CAnimationSandwichLayer();
- const char* GetTargetElementID() const;
- const char* GetAnimationElementID() const;
- SMILNodeTag GetTargetElementTag() const;
- SMILNodeTag GetAnimationElementTag() const;
- UINT32 GetAttributeName() const { return m_ulAttrName; }
- BOOL IsActive(UINT32 ulTime) const;
- BOOL IsFrozen(UINT32 ulTime) const;
- BOOL IsActiveZeroBased(UINT32 ulTime) const;
- BOOL IsFrozenZeroBased(UINT32 ulTime) const;
- BOOL IsAdditive() const;
- BOOL IsToAnimation() const;
- CAttr AnimationEffectFunction(UINT32 ulTime, CAttr* pUnder,
- CAttr* pDepend = NULL);
- BOOL HigherPriority(CAnimationSandwichLayer* pLayer);
- void AdjustActiveDuration(UINT32 ulTime);
- protected:
- CSmilAnimateElement* m_pElement;
- UINT32 m_ulAttrName;
- double* m_pdPacedDist;
- double* m_pdPacedTime;
- CSmilParser* m_pSmilParser;
- UINT32 m_ulLastTime;
- UINT32 m_ulDelay;
- UINT32 m_ulActiveDuration;
- // ONLY HX_BITFIELD MEMBERS SHOULD GO BELOW THIS LINE!
- // ALL OTHER MEMBER TYPES SHOULD GO ABOVE THIS LINE!
- HX_BITFIELD m_bRecomputePace : 1;
- HX_BITFIELD m_bFirstTime : 1;
- CAttr SimpleAnimationFunction(UINT32 ulTime, CAttr* pUnder, CAttr* pDepend);
- CAttr CumulativeAnimationFunction(UINT32 ulTime, CAttr* pUnder, CAttr* pDepend);
- void RecomputePace(CAttr* pDepend);
- UINT32 ComputeFilteredSimpleTime(UINT32 ulUnfilteredActiveTime);
- double ComputeRunRate(double dT, double dAccel, double dDecel, double dDur);
- #if defined(XXXMEH_SPLINE_ANIMATION)
- double ComputeSpline(double t, double t1, double t2,
- double v1, double v2,
- double x1, double y1, double x2, double y2);
- double ComputeBezierOutputTime(double t, double x1, double y1,
- double x2, double y2);
- double SolveForBezierT(double x, double x1, double x2, double tol);
- double ComputeBezier(double t, double a1, double a2);
- #endif
- };
- class CAnimationSandwich
- {
- public:
- CAnimationSandwich(const char* pszTargetElementID,
- SMILNodeTag eTargetElementTag,
- UINT32 ulAttrName);
- virtual ~CAnimationSandwich();
- const char* GetTargetElementID() const;
- SMILNodeTag GetTargetElementTag() const { return m_eTargetElementTag; }
- UINT32 GetAttributeName() const { return m_ulAttrName; }
- HX_RESULT AddLayer(CAnimationSandwichLayer* pLayer);
- void RemoveLayer(const char* pszAnimID);
- void FreezeLayers(const char* pszAnimID, UINT32 ulCurTime);
- CAttr GetValue(UINT32 ulTime, CAttr* pUnder, CAttr* pDepend = NULL);
- void AdjustLayers(UINT32 ulTime);
- UINT32 GetNumLayers() const;
- BOOL MatchingSandwich(CSmilAnimateElement* pAnim);
- BOOL AtLeastOneActiveLayer(UINT32 ulTime);
- protected:
- CHXString* m_pTargetElementID;
- SMILNodeTag m_eTargetElementTag;
- UINT32 m_ulAttrName;
- CHXSimpleList* m_pLayerList;
- void ClearAllLayers();
- };
- class CSmilAnimateInfo
- {
- public:
- CSmilAnimateInfo();
- virtual ~CSmilAnimateInfo();
- CAnimationSandwich* m_pSandwich;
- CAttr* m_pUnder;
- CAttr* m_pDepend;
- };
- #endif /* #if defined(HELIX_FEATURE_SMIL2_ANIMATION) */
- #endif