animattr.cpp
上传用户:dangjiwu
上传日期:2013-07-19
资源大小:42019k
文件大小:19k
- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: animattr.cpp,v 1.1.22.1 2004/07/09 01:58:01 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 ***** */
- // system
- #include <math.h>
- #include <time.h>
- // include
- #include "hxtypes.h"
- #include "hxwintyp.h"
- #include "hxcom.h"
- #include "hxxml.h"
- #include "smiltype.h"
- // pnmisc
- #include "hxwinver.h"
- #include "hxparse.h"
- // pncont
- #include "hxslist.h"
- // rnxmllib
- #include "hxxmlprs.h"
- // rmasmil
- #include "smlparse.h"
- #include "animattr.h"
- CAttr::CAttr(UINT32 ulAttrName, const char* pszStr)
- {
- m_lLastError = HXR_OK;
- m_ulAttrName = ulAttrName;
- m_ulAttrType = kAttrTypeString;
- m_dValue[0] = 0.0;
- m_dValue[1] = 0.0;
- m_dValue[2] = 0.0;
- m_dValue[3] = 0.0;
- m_eType[0] = CSS2TypeAuto;
- m_eType[1] = CSS2TypeAuto;
- m_eType[2] = CSS2TypeAuto;
- m_eType[3] = CSS2TypeAuto;
- m_pszValue = NULL;
- if (m_ulAttrName == kAttrNameLeft ||
- m_ulAttrName == kAttrNameTop ||
- m_ulAttrName == kAttrNameRight ||
- m_ulAttrName == kAttrNameBottom ||
- m_ulAttrName == kAttrNameWidth ||
- m_ulAttrName == kAttrNameHeight)
- {
- m_ulAttrType = kAttrTypeRealScalar;
- if (pszStr)
- {
- UINT32 ulIndex = (m_ulAttrName == kAttrNameTop ? 1 : 0);
- BOOL bRel = FALSE;
- m_lLastError = ParsePosLenValue(pszStr, m_dValue[ulIndex], bRel);
- if (SUCCEEDED(m_lLastError))
- {
- m_eType[ulIndex] = (bRel ? CSS2TypePercentage : CSS2TypeLength);
- }
- }
- }
- else if (m_ulAttrName == kAttrNameBackgroundColor ||
- m_ulAttrName == kAttrNameColor)
- {
- m_ulAttrType = kAttrTypeRealVector;
- if (pszStr)
- {
- UINT32 ulColor = 0;
- CSS2Type eType = CSS2TypeTransparent;
- m_lLastError = CSmilParser::parseColor(pszStr, ulColor, eType);
- if (SUCCEEDED(m_lLastError))
- {
- m_dValue[0] = (double) ((ulColor & 0x00FF0000) >> 16);
- m_dValue[1] = (double) ((ulColor & 0x0000FF00) >> 8);
- m_dValue[2] = (double) (ulColor & 0x000000FF);
- m_dValue[3] = (double) ((ulColor & 0xFF000000) >> 24);
- }
- }
- }
- else if (m_ulAttrName == kAttrNameZIndex)
- {
- m_ulAttrType = kAttrTypeRealScalar;
- if (pszStr)
- {
- m_dValue[0] = atof(pszStr);
- }
- }
- else if (m_ulAttrName == kAttrNameSoundLevel)
- {
- m_ulAttrType = kAttrTypeRealScalar;
- if (pszStr)
- {
- char* pEndPtr = NULL;
- m_dValue[0] = strtod(pszStr, &pEndPtr);
- if (!pEndPtr || (pEndPtr && *pEndPtr != '%'))
- {
- m_lLastError = HXR_FAIL;
- }
- }
- }
- else if (m_ulAttrName == kAttrNameMediaOpacity ||
- m_ulAttrName == kAttrNameBackgroundOpacity)
- {
- m_ulAttrType = kAttrTypeRealScalar;
- if (pszStr)
- {
- UINT32 ulOpacity = 0;
- m_lLastError = HXParseOpacity(pszStr, ulOpacity);
- if (SUCCEEDED(m_lLastError))
- {
- m_dValue[0] = (double) ulOpacity;
- }
- }
- }
- else if (m_ulAttrName == kAttrNameCoords ||
- m_ulAttrName == kAttrNameValue)
- {
- m_ulAttrType = kAttrTypeString;
- if (pszStr)
- {
- m_pszValue = new char [strlen(pszStr) + 1];
- if (m_pszValue)
- {
- strcpy(m_pszValue, pszStr); /* Flawfinder: ignore */
- }
- else
- {
- m_lLastError = HXR_OUTOFMEMORY;
- }
- }
- }
- else if (m_ulAttrName == kAttrNameLeftTop)
- {
- m_ulAttrType = kAttrTypeRealVector;
- if (pszStr)
- {
- // SPEC: coordinate-pair ::= ( coordinate comma-wsp coordinate )
- // coordinate ::= num
- // num ::= Number
- // comma-wsp ::= S (spacechar|",") S
- // S ::= spacechar*
- // spacechar ::= (#x20 | #x9 | #xD | #xA)
- //
- // Here we parse coordinate-pair's
- //
- // Allocate a buffer to hold a copy
- char* pszTmp = new char [strlen(pszStr) + 1];
- if (pszTmp)
- {
- // Copy the string
- strcpy(pszTmp, pszStr); /* Flawfinder: ignore */
- // Parse the string
- UINT32 ulNumFound = 0;
- char* pszToken = strtok(pszTmp, " trn,");
- while (pszToken && SUCCEEDED(m_lLastError) && ulNumFound < 2)
- {
- // Parse the value
- BOOL bRel = FALSE;
- m_lLastError = ParsePosLenValue(pszToken, m_dValue[ulNumFound], bRel);
- if (SUCCEEDED(m_lLastError))
- {
- // Set the type
- m_eType[ulNumFound] = (bRel ? CSS2TypePercentage : CSS2TypeLength);
- // Increment the number parsed
- ulNumFound++;
- // Get the next token
- pszToken = strtok(NULL, " trn,");
- }
- }
- if (SUCCEEDED(m_lLastError))
- {
- // Make sure we parsed exactly two
- if (ulNumFound != 2)
- {
- // We found less than 2
- m_lLastError = HXR_FAIL;
- }
- }
- }
- else
- {
- m_lLastError = HXR_OUTOFMEMORY;
- }
- }
- }
- }
- CAttr::CAttr(UINT32 ulAttrName,
- double dVal0, CSS2Type eType0,
- double dVal1, CSS2Type eType1,
- double dVal2, CSS2Type eType2,
- double dVal3, CSS2Type eType3)
- {
- m_lLastError = HXR_OK;
- m_ulAttrName = ulAttrName;
- m_ulAttrType = kAttrTypeString;
- m_dValue[0] = dVal0;
- m_dValue[1] = dVal1;
- m_dValue[2] = dVal2;
- m_dValue[3] = dVal3;
- m_eType[0] = eType0;
- m_eType[1] = eType1;
- m_eType[2] = eType2;
- m_eType[3] = eType3;
- m_pszValue = NULL;
- if (m_ulAttrName == kAttrNameLeft ||
- m_ulAttrName == kAttrNameTop ||
- m_ulAttrName == kAttrNameRight ||
- m_ulAttrName == kAttrNameBottom ||
- m_ulAttrName == kAttrNameWidth ||
- m_ulAttrName == kAttrNameHeight ||
- m_ulAttrName == kAttrNameZIndex ||
- m_ulAttrName == kAttrNameSoundLevel ||
- m_ulAttrName == kAttrNameMediaOpacity ||
- m_ulAttrName == kAttrNameBackgroundOpacity)
- {
- m_ulAttrType = kAttrTypeRealScalar;
- }
- else if (m_ulAttrName == kAttrNameBackgroundColor ||
- m_ulAttrName == kAttrNameColor ||
- m_ulAttrName == kAttrNameLeftTop)
- {
- m_ulAttrType = kAttrTypeRealVector;
- }
- }
- CAttr::CAttr(const CAttr& rAttr)
- {
- m_lLastError = rAttr.m_lLastError;
- m_ulAttrName = rAttr.m_ulAttrName;
- m_ulAttrType = rAttr.m_ulAttrType;
- m_dValue[0] = rAttr.m_dValue[0];
- m_dValue[1] = rAttr.m_dValue[1];
- m_dValue[2] = rAttr.m_dValue[2];
- m_dValue[3] = rAttr.m_dValue[3];
- m_eType[0] = rAttr.m_eType[0];
- m_eType[1] = rAttr.m_eType[1];
- m_eType[2] = rAttr.m_eType[2];
- m_eType[3] = rAttr.m_eType[3];
- m_pszValue = NULL;
- if (rAttr.m_pszValue)
- {
- m_pszValue = new char [strlen(rAttr.m_pszValue) + 1];
- if (m_pszValue)
- {
- strcpy(m_pszValue, rAttr.m_pszValue); /* Flawfinder: ignore */
- }
- else
- {
- m_lLastError = HXR_OUTOFMEMORY;
- }
- }
- }
- CAttr::~CAttr()
- {
- HX_VECTOR_DELETE(m_pszValue);
- }
- double CAttr::Dist(CAttr* pAttr1, CAttr* pAttr2, CAttr* pDepend)
- {
- double dRet = 0.0;
- if (Compatible(pAttr1, pAttr2))
- {
- if (pAttr1->m_ulAttrType == kAttrTypeRealScalar ||
- pAttr1->m_ulAttrType == kAttrTypeRealVector)
- {
- double dSum = 0.0;
- for (UINT32 i = 0; i < kVectorSize; i++)
- {
- double dDiff = GetAbsolute(pAttr2, i, pDepend) -
- GetAbsolute(pAttr1, i, pDepend);
- dSum += dDiff * dDiff;
- }
- dRet = sqrt(dSum);
- }
- }
- return dRet;
- }
- double CAttr::GetAbsolute(CAttr* pAttr, UINT32 i, CAttr* pDepend)
- {
- double dRet = 0.0;
- if (i < kVectorSize)
- {
- dRet = pAttr->m_dValue[i];
- if (pAttr->IsRelative(i) && pDepend && !pDepend->IsRelative(i))
- {
- dRet = pAttr->m_dValue[i] * pDepend->m_dValue[i] / 100.0;
- }
- }
- return dRet;
- }
- void CAttr::Interp(CAttr* pAttr1, double t1,
- CAttr* pAttr2, double t2,
- double t, CAttr* pDepend)
- {
- if (Compatible(pAttr1, pAttr2) &&
- t1 < t2 && t1 <= t && t <= t2)
- {
- // Copy the first attribute
- *this = *pAttr1;
- // Perform the interpolation
- if (pAttr1->m_ulAttrType == kAttrTypeRealScalar ||
- pAttr1->m_ulAttrType == kAttrTypeRealVector)
- {
- double dFract = (t - t1) / (t2 - t1);
- for (UINT32 i = 0; i < kVectorSize; i++)
- {
- double d1 = pAttr1->m_dValue[i];
- double d2 = pAttr2->m_dValue[i];
- if (pAttr1->IsRelative(i) != pAttr2->IsRelative(i) &&
- pDepend && !pDepend->IsRelative(i))
- {
- // If we are trying to interpolate between
- // an absolute and relative value, we will first
- // convert the relative value to absolute
- if (pAttr1->IsRelative(i) && !pAttr2->IsRelative(i))
- {
- // Convert attribute 1 to absolute
- d1 = GetAbsolute(pAttr1, i, pDepend);
- }
- else
- {
- // Convert attribute 2 to absolute
- d2 = GetAbsolute(pAttr2, i, pDepend);
- }
- // Since we made sure that both attributes were
- // absolute, then the result must be absolute as well.
- m_eType[i] = CSS2TypeLength;
- }
- m_dValue[i] = d1 + (d2 - d1) * dFract;
- }
- }
- }
- }
- void CAttr::Add(CAttr* pAttr, CAttr* pDepend)
- {
- if (Compatible(this, pAttr))
- {
- if (m_ulAttrType == kAttrTypeRealScalar ||
- m_ulAttrType == kAttrTypeRealVector)
- {
- for (UINT32 i = 0; i < kVectorSize; i++)
- {
- double d1 = m_dValue[i];
- double d2 = pAttr->m_dValue[i];
- if (IsRelative(i) != pAttr->IsRelative(i) &&
- pDepend && !pDepend->IsRelative(i))
- {
- // If we are trying to add an absolute value
- // to a relative value, we will first
- // convert the relative value to absolute
- if (IsRelative(i) && !pAttr->IsRelative(i))
- {
- // Convert attribute 1 to absolute
- d1 = GetAbsolute(this, i, pDepend);
- }
- else
- {
- // Convert attribute 2 to absolute
- d2 = GetAbsolute(pAttr, i, pDepend);
- }
- // Since we made sure that both attributes were
- // absolute, then the result must be absolute as well.
- m_eType[i] = CSS2TypeLength;
- }
- // Add the values
- m_dValue[i] = d1 + d2;
- }
- }
- }
- }
- void CAttr::Mult(double dMult)
- {
- if (m_ulAttrType == kAttrTypeRealScalar ||
- m_ulAttrType == kAttrTypeRealVector)
- {
- for (UINT32 i = 0; i < kVectorSize; i++)
- {
- m_dValue[i] *= dMult;
- }
- }
- }
- void CAttr::Clamp()
- {
- if (m_ulAttrName == kAttrNameBackgroundColor ||
- m_ulAttrName == kAttrNameColor)
- {
- for (UINT32 i = 0; i < kVectorSize; i++)
- {
- // Round to nearest integer
- m_dValue[i] = floor(m_dValue[i] + 0.5);
- // Clip bottom
- if (m_dValue[i] < 0.0)
- {
- m_dValue[i] = 0.0;
- }
- // Clip top
- if (m_dValue[i] > 255.0)
- {
- m_dValue[i] = 255.0;
- }
- }
- }
- else if (m_ulAttrName == kAttrNameZIndex)
- {
- // Round to nearest integer
- m_dValue[0] = floor(m_dValue[0] + 0.5);
- // Clip bottom
- if (m_dValue[0] < 0.0)
- {
- m_dValue[0] = 0.0;
- }
- }
- else if (m_ulAttrName == kAttrNameSoundLevel)
- {
- // Clip bottom
- if (m_dValue[0] < 0.0)
- {
- m_dValue[0] = 0.0;
- }
- }
- else if (m_ulAttrName == kAttrNameMediaOpacity ||
- m_ulAttrName == kAttrNameBackgroundOpacity)
- {
- // Clip bottom
- if (m_dValue[0] < 0.0)
- {
- m_dValue[0] = 0.0;
- }
- // Clip top
- if (m_dValue[0] > 255.0)
- {
- m_dValue[0] = 255.0;
- }
- }
- }
- double CAttr::GetValueDouble(UINT32 i) const
- {
- double dRet = 0.0;
- if (i < kVectorSize)
- {
- dRet = m_dValue[i];
- }
- return dRet;
- }
- CSS2Type CAttr::GetCSS2Type(UINT32 i) const
- {
- CSS2Type eRet = CSS2TypeAuto;
- if (i < kVectorSize)
- {
- eRet = m_eType[i];
- }
- return eRet;
- }
- BOOL CAttr::IsRelative(UINT32 i) const
- {
- BOOL bRet = FALSE;
- if (i < kVectorSize)
- {
- bRet = (m_eType[i] == CSS2TypePercentage ? TRUE : FALSE);
- }
- return bRet;
- }
- const char* CAttr::GetValueString(UINT32 i) const
- {
- return m_pszValue;
- }
- CAttr& CAttr::operator = (const CAttr& rAttr)
- {
- m_lLastError = rAttr.m_lLastError;
- m_ulAttrName = rAttr.m_ulAttrName;
- m_ulAttrType = rAttr.m_ulAttrType;
- m_dValue[0] = rAttr.m_dValue[0];
- m_dValue[1] = rAttr.m_dValue[1];
- m_dValue[2] = rAttr.m_dValue[2];
- m_dValue[3] = rAttr.m_dValue[3];
- m_eType[0] = rAttr.m_eType[0];
- m_eType[1] = rAttr.m_eType[1];
- m_eType[2] = rAttr.m_eType[2];
- m_eType[3] = rAttr.m_eType[3];
- HX_VECTOR_DELETE(m_pszValue);
- if (rAttr.m_pszValue)
- {
- m_pszValue = new char [strlen(rAttr.m_pszValue) + 1];
- if (m_pszValue)
- {
- strcpy(m_pszValue, rAttr.m_pszValue); /* Flawfinder: ignore */
- }
- else
- {
- m_lLastError = HXR_OUTOFMEMORY;
- }
- }
- return *this;
- }
- BOOL CAttr::Compatible(CAttr* pAttr1, CAttr* pAttr2)
- {
- BOOL bRet = FALSE;
- if (pAttr1 && pAttr2)
- {
- if (pAttr1->m_ulAttrName == pAttr2->m_ulAttrName &&
- pAttr1->m_ulAttrType == pAttr2->m_ulAttrType)
- {
- bRet = TRUE;
- }
- else if (pAttr1->m_ulAttrName == kAttrNameLeftTop)
- {
- if (pAttr2->m_ulAttrName == kAttrNameLeft ||
- pAttr2->m_ulAttrName == kAttrNameTop)
- {
- bRet = TRUE;
- }
- }
- else if (pAttr2->m_ulAttrName == kAttrNameLeftTop)
- {
- if (pAttr1->m_ulAttrName == kAttrNameLeft ||
- pAttr1->m_ulAttrName == kAttrNameTop)
- {
- bRet = TRUE;
- }
- }
- }
- return bRet;
- }
- HX_RESULT CAttr::ParsePosLenValue(const char* pszStr,
- double& rdValue,
- BOOL& rbIsPercent)
- {
- HX_RESULT retVal = HXR_OK;
- if (pszStr)
- {
- // Parse the numeric value
- char* pEndPtr = NULL;
- rdValue = strtod(pszStr, &pEndPtr);
- // Now decide if it was a percent or not
- if (pEndPtr && *pEndPtr == '%')
- {
- rbIsPercent = TRUE;
- }
- else
- {
- rbIsPercent = FALSE;
- }
- }
- else
- {
- retVal = HXR_FAIL;
- }
- return retVal;
- }