pxrect.cpp
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: pxrect.cpp,v 1.1.26.1 2004/07/09 01:54:51 hubbe Exp $
- *
- * Portions Copyright (c) 1995-2004 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 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the current version of the RealNetworks Community
- * Source License (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.
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL") in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your version of
- * this file only under the terms of the GPL, and not to allow others
- * to use your version of this file under the terms of either the RPSL
- * or RCSL, indicate your decision by deleting the provisions above
- * and replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient may
- * use your version of this file under the terms of any one of the
- * RPSL, the RCSL or the GPL.
- *
- * 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 "hxbuffer.h"
- #include "hxstring.h"
- // hxmisc
- #include "unkimp.h"
- #include "baseobj.h"
- // pxcomlib
- #include "gstring.h"
- #include "pxutil.h"
- #include "pxrect.h"
- // hxdebug
- #include "hxheap.h"
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static char HX_THIS_FILE[] = __FILE__;
- #endif
- BEGIN_INTERFACE_LIST(PXRect)
- END_INTERFACE_LIST
- void PXRect::Pack(BYTE * &pBuffer, UINT32 ulMajVer, UINT32 ulMinVer)
- {
- if (ulMajVer <= 1 && ulMinVer <= 1)
- {
- Pack32(pBuffer, m_ulX);
- Pack32(pBuffer, m_ulY);
- Pack32(pBuffer, m_ulW);
- Pack32(pBuffer, m_ulH);
- }
- else
- {
- Pack16(pBuffer, (UINT16) m_ulX);
- Pack16(pBuffer, (UINT16) m_ulY);
- Pack16(pBuffer, (UINT16) m_ulW);
- Pack16(pBuffer, (UINT16) m_ulH);
- }
- }
- void PXRect::UnPack(BYTE * &pBuffer, UINT32 ulMajVer, UINT32 ulMinVer)
- {
- if (ulMajVer <= 1 && ulMinVer <= 1)
- {
- UnPack32(pBuffer, m_ulX);
- UnPack32(pBuffer, m_ulY);
- UnPack32(pBuffer, m_ulW);
- UnPack32(pBuffer, m_ulH);
- }
- else
- {
- UINT16 usTmp;
- UnPack16(pBuffer, usTmp);
- m_ulX = usTmp;
- UnPack16(pBuffer, usTmp);
- m_ulY = usTmp;
- UnPack16(pBuffer, usTmp);
- m_ulW = usTmp;
- UnPack16(pBuffer, usTmp);
- m_ulH = usTmp;
- }
- }
- #define LINEAR_PARAM(x1, x2, t, d, d2) ((x1) + (((x2) - (x1)) * (t) + (d2)) / (d))
- void PXRect::InterpolateRect(UINT32 ulTime, UINT32 ulStart, UINT32 ulEnd,
- const PXRect& rStart, const PXRect& rEnd)
- {
- if (ulTime <= ulStart)
- {
- m_ulX = rStart.m_ulX;
- m_ulY = rStart.m_ulY;
- m_ulW = rStart.m_ulW;
- m_ulH = rStart.m_ulH;
- }
- else if (ulTime > ulStart && ulTime < ulEnd)
- {
- HXxRect cStart, cEnd, cMid;
- cStart.left = rStart.GetX();
- cStart.top = rStart.GetY();
- cStart.right = rStart.GetX() + rStart.GetWidth();
- cStart.bottom = rStart.GetY() + rStart.GetHeight();
- cEnd.left = rEnd.GetX();
- cEnd.top = rEnd.GetY();
- cEnd.right = rEnd.GetX() + rEnd.GetWidth();
- cEnd.bottom = rEnd.GetY() + rEnd.GetHeight();
- INT32 lDur = (INT32) (ulEnd - ulStart);
- INT32 lDur2 = lDur >> 1;
- INT32 lTime = (INT32) (ulTime - ulStart);
- cMid.left = LINEAR_PARAM(cStart.left, cEnd.left, lTime, lDur, lDur2);
- cMid.top = LINEAR_PARAM(cStart.top, cEnd.top, lTime, lDur, lDur2);
- cMid.right = LINEAR_PARAM(cStart.right, cEnd.right, lTime, lDur, lDur2);
- cMid.bottom = LINEAR_PARAM(cStart.bottom, cEnd.bottom, lTime, lDur, lDur2);
- m_ulX = cMid.left;
- m_ulY = cMid.top;
- m_ulW = HXxRECT_WIDTH(cMid);
- m_ulH = HXxRECT_HEIGHT(cMid);
- }
- else if (ulTime >= ulEnd)
- {
- m_ulX = rEnd.m_ulX;
- m_ulY = rEnd.m_ulY;
- m_ulW = rEnd.m_ulW;
- m_ulH = rEnd.m_ulH;
- }
- }