pxeffect.cpp
上传用户:zhongxx05
上传日期:2007-06-06
资源大小:33641k
文件大小:11k
- /* ***** 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 ***** */
- // include
- #include "hxtypes.h"
- #include "hxwintyp.h"
- #include "hxcom.h"
- #include "hxresult.h"
- #include "ihxpckts.h"
- // hxcont
- #include "hxstring.h"
- // hxmisc
- #include "unkimp.h"
- #include "baseobj.h"
- // pxcomlib
- #include "gstring.h"
- #include "pxutil.h"
- #include "pxrect.h"
- #include "pxcolor.h"
- #include "pxeffect.h"
- // hxdebug
- #include "hxassert.h"
- #include "hxheap.h"
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static char HX_THIS_FILE[] = __FILE__;
- #endif
- BEGIN_INTERFACE_LIST(PXEffect)
- END_INTERFACE_LIST
- UINT32 PXEffect::PackedSize(UINT32 ulMajVer, UINT32 ulMinVer)
- {
- UINT32 ulOpaqueSize = 0;
- if (ulMajVer <= 1 && ulMinVer <= 4)
- {
- // Get the size of the opaque data
- UINT32 ulFixedSize[8] = {42, 66, 46, 66, 74, 58, 74, 67};
- ulOpaqueSize = ulFixedSize[m_ucEffectType] + m_cURL.GetLength();
- if (m_ucEffectType == kEffectTypeExternal)
- {
- ulOpaqueSize += m_cPackage.GetLength() + m_cName.GetLength() +
- m_cData.GetLength() + m_cFile.GetLength();
- }
- }
- #if defined(_DEBUG)
- else
- {
- HX_ASSERT(FALSE);
- }
- #endif
- return ulOpaqueSize;
- }
- void PXEffect::Pack(BYTE * &pBuffer, UINT32 ulMajVer, UINT32 ulMinVer)
- {
- if (ulMajVer <= 1 && ulMinVer <= 4)
- {
- // Pack the common parts of the packet at the beginning
- Pack32(pBuffer, 2);
- UINT32 ulFlags = 0;
- if (m_bLastUse)
- {
- ulFlags |= 1;
- }
- if (m_bDisplayImmediately)
- {
- ulFlags |= 4;
- }
- if (m_bPostBackChannel)
- {
- ulFlags |= 8;
- }
- Pack32(pBuffer, ulFlags);
- Pack32(pBuffer, m_ucEffectType);
- Pack32(pBuffer, m_ulStart);
- Pack32(pBuffer, m_ulMaxFps);
- PackStringNoNullTerm(pBuffer, m_cURL);
- // Now here's the tricky part
- switch (m_ucEffectType)
- {
- case kEffectTypeFill:
- m_cColor.Pack(pBuffer, ulMajVer, ulMinVer);
- m_cDstRect.Pack(pBuffer, ulMajVer, ulMinVer);
- break;
- case kEffectTypeFadeIn:
- case kEffectTypeCrossFade:
- Pack32(pBuffer, m_ulDuration);
- Pack32(pBuffer, m_ulTarget);
- m_cSrcRect.Pack(pBuffer, ulMajVer, ulMinVer);
- m_cDstRect.Pack(pBuffer, ulMajVer, ulMinVer);
- Pack32(pBuffer, (UINT32) m_bAspectFlag);
- break;
- case kEffectTypeFadeOut:
- Pack32(pBuffer, m_ulDuration);
- m_cColor.Pack(pBuffer, ulMajVer, ulMinVer);
- m_cDstRect.Pack(pBuffer, ulMajVer, ulMinVer);
- break;
- case kEffectTypeWipe:
- Pack32(pBuffer, m_ulDuration);
- Pack32(pBuffer, m_ucWipeType);
- Pack32(pBuffer, m_ucWipeDirection);
- Pack32(pBuffer, m_ulTarget);
- m_cSrcRect.Pack(pBuffer, ulMajVer, ulMinVer);
- m_cDstRect.Pack(pBuffer, ulMajVer, ulMinVer);
- Pack32(pBuffer, (UINT32) m_bAspectFlag);
- break;
- case kEffectTypeViewChange:
- Pack32(pBuffer, m_ulDuration);
- m_cSrcRect.Pack(pBuffer, ulMajVer, ulMinVer);
- m_cDstRect.Pack(pBuffer, ulMajVer, ulMinVer);
- break;
- case kEffectTypeExternal:
- Pack32(pBuffer, m_ulDuration);
- Pack32(pBuffer, m_ulTarget);
- m_cSrcRect.Pack(pBuffer, ulMajVer, ulMinVer);
- m_cDstRect.Pack(pBuffer, ulMajVer, ulMinVer);
- Pack32(pBuffer, (UINT32) m_bAspectFlag);
- PackString(pBuffer, m_cPackage);
- PackString(pBuffer, m_cName);
- PackString(pBuffer, m_cData);
- PackString(pBuffer, m_cFile);
- break;
- case kEffectTypeAnimate:
- Pack32(pBuffer, m_ulDuration);
- Pack32(pBuffer, m_ulTarget);
- m_cSrcRect.Pack(pBuffer, ulMajVer, ulMinVer);
- m_cDstRect.Pack(pBuffer, ulMajVer, ulMinVer);
- Pack32(pBuffer, (UINT32) m_bAspectFlag);
- break;
- }
- }
- #if defined(_DEBUG)
- else
- {
- HX_ASSERT(FALSE);
- }
- #endif
- }
- void PXEffect::UnPack(BYTE * &pBuffer, UINT32 ulMajVer, UINT32 ulMinVer)
- {
- if (ulMajVer <= 1 && ulMinVer <= 4)
- {
- // Pack the common parts of the packet at the beginning
- UINT32 ulTmp;
- UnPack32(pBuffer, ulTmp); // packet type
- UnPack32(pBuffer, ulTmp); // flags
- m_bLastUse = (ulTmp & 1 ? TRUE : FALSE);
- m_bDisplayImmediately = (ulTmp & 4 ? TRUE : FALSE);
- m_bPostBackChannel = (ulTmp & 8 ? TRUE : FALSE);
- UnPack32(pBuffer, ulTmp); // effect type
- m_ucEffectType = (BYTE) ulTmp;
- UnPack32(pBuffer, m_ulStart);
- UnPack32(pBuffer, m_ulMaxFps);
- UnPackStringNoNullTerm(pBuffer, m_cURL);
- // Now here's the tricky part
- switch (m_ucEffectType)
- {
- case kEffectTypeFill:
- m_cColor.UnPack(pBuffer, ulMajVer, ulMinVer);
- m_cDstRect.UnPack(pBuffer, ulMajVer, ulMinVer);
- m_bHasTarget = FALSE;
- break;
- case kEffectTypeFadeIn:
- case kEffectTypeCrossFade:
- UnPack32(pBuffer, m_ulDuration);
- UnPack32(pBuffer, m_ulTarget);
- m_cSrcRect.UnPack(pBuffer, ulMajVer, ulMinVer);
- m_cDstRect.UnPack(pBuffer, ulMajVer, ulMinVer);
- UnPack32(pBuffer, ulTmp);
- m_bAspectFlag = (BOOL) ulTmp;
- m_bHasTarget = TRUE;
- break;
- case kEffectTypeFadeOut:
- UnPack32(pBuffer, m_ulDuration);
- m_cColor.UnPack(pBuffer, ulMajVer, ulMinVer);
- m_cDstRect.UnPack(pBuffer, ulMajVer, ulMinVer);
- m_bHasTarget = FALSE;
- break;
- case kEffectTypeWipe:
- UnPack32(pBuffer, m_ulDuration);
- UnPack32(pBuffer, ulTmp);
- m_ucWipeType = (BYTE) ulTmp;
- UnPack32(pBuffer, ulTmp);
- m_ucWipeDirection = (BYTE) ulTmp;
- UnPack32(pBuffer, m_ulTarget);
- m_cSrcRect.UnPack(pBuffer, ulMajVer, ulMinVer);
- m_cDstRect.UnPack(pBuffer, ulMajVer, ulMinVer);
- UnPack32(pBuffer, ulTmp);
- m_bAspectFlag = (BOOL) ulTmp;
- m_bHasTarget = TRUE;
- break;
- case kEffectTypeViewChange:
- UnPack32(pBuffer, m_ulDuration);
- m_cSrcRect.UnPack(pBuffer, ulMajVer, ulMinVer);
- m_cDstRect.UnPack(pBuffer, ulMajVer, ulMinVer);
- m_bHasTarget = TRUE;
- break;
- case kEffectTypeExternal:
- UnPack32(pBuffer, m_ulDuration);
- UnPack32(pBuffer, m_ulTarget);
- m_cSrcRect.UnPack(pBuffer, ulMajVer, ulMinVer);
- m_cDstRect.UnPack(pBuffer, ulMajVer, ulMinVer);
- UnPack32(pBuffer, ulTmp);
- m_bAspectFlag = (BOOL) ulTmp;
- UnPackStringNoNullTerm(pBuffer, m_cPackage);
- UnPackStringNoNullTerm(pBuffer, m_cName);
- UnPackStringNoNullTerm(pBuffer, m_cData);
- UnPackStringNoNullTerm(pBuffer, m_cFile);
- m_bHasTarget = TRUE;
- break;
- case kEffectTypeAnimate:
- UnPack32(pBuffer, m_ulDuration);
- UnPack32(pBuffer, m_ulTarget);
- m_cSrcRect.UnPack(pBuffer, ulMajVer, ulMinVer);
- m_cDstRect.UnPack(pBuffer, ulMajVer, ulMinVer);
- UnPack32(pBuffer, ulTmp);
- m_bAspectFlag = (BOOL) ulTmp;
- m_bHasTarget = TRUE;
- break;
- }
- }
- #if defined(_DEBUG)
- else
- {
- HX_ASSERT(FALSE);
- }
- #endif
- }
- BOOL PXEffect::IsOverlapped(PXEffect* pEffect)
- {
- BOOL bOverlap = FALSE;
- if (pEffect)
- {
- // Let's first make sure this is not the same effect
- if (m_ulHandle != pEffect->m_ulHandle)
- {
- if (m_ulStart < pEffect->m_ulStart + pEffect->m_ulDuration &&
- m_ulStart + m_ulDuration > pEffect->m_ulStart) // XXXMEH - should these be >= && <=??
- {
- // These two effects ARE overlapped in time. Now, are they
- // overlapped in space?
- // or the overlap returns
- if (m_cDstRect.IsNull() ||
- pEffect->m_cDstRect.IsNull() ||
- m_cDstRect.IsOverlapped(pEffect->m_cDstRect))
- {
- bOverlap = TRUE;
- }
- }
- }
- }
- return bOverlap;
- }