animattr.cpp

著名的 helix realplayer 基于手机 symbian 系统的 播放器全套源代码

/* ***** 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 ***** */ 

// 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, " \t\r\n,");
                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, " \t\r\n,");
                    }
                }
                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;
            }