rechellp.cpp

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// $Id: rechellp.cpp 1688 2006-08-10 12:05:20Z gerry $
/* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE
================================XARAHEADERSTART===========================
 
               Xara LX, a vector drawing and manipulation program.
                    Copyright (C) 1993-2006 Xara Group Ltd.
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              respective authors. See AUTHORS file for details.

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----------------------------------

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=================================XARAHEADEREND============================
 */
/********************************************************************************************

>   rechellp.cpp

    Author:     Andy_Hayward (Xara Group Ltd) <camelotdev@xara.com>
    Created:    06/06/96
    Purpose:    Functions for the class to handle importing ellipse records from
            the new file format

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

#include "camtypes.h"

#include "nodershp.h"

//#include "cxfdefs.h" - in camtypes.h [AUTOMATICALLY REMOVED]
#include "cxftags.h"
//#include "cxfrec.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "cxfrech.h" - in camtypes.h [AUTOMATICALLY REMOVED]

#include "rechrshp.h"
#include "rechellp.h"

// to match the declare in the header file
CC_IMPLEMENT_DYNAMIC(EllipseRecordHandler, RegularShapeRecordHandler);

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

>   UINT32* EllipseRecordHandler::GetTagList()

    Author:     Andy_Hayward (Xara Group Ltd) <camelotdev@xara.com>
    Created:    06/06/96
    Inputs:     -
    Returns:    UINT32* to an array of records handled by this class. The last entry in the
                array is CXFRH_TAG_LIST_END
    Purpose:    Returns an array of records handled by this class.
    See Also:   EllispeRecordHandler::HandleRecord

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

UINT32* EllipseRecordHandler::GetTagList()
{
    static UINT32 TagList[] = {TAG_ELLIPSE_SIMPLE,
                                TAG_ELLIPSE_COMPLEX,
                                CXFRH_TAG_LIST_END};
    return &TagList[0];
}

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

>   BOOL EllispeRecordHandler::HandleRecord(CXaraFileRecord * pCXaraFileRecord)

    Author:     Andy_Hayward (Xara Group Ltd) <camelotdev@xara.com>
    Created:    06/06/96
    Inputs:     pCXaraFileRecord - CXaraFileRecord object to read
    Returns:    TRUE if successful, FALSE otherwise
    Purpose:    Handles ellipse type records for the new file format

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

BOOL EllipseRecordHandler::HandleRecord(CXaraFileRecord *pCXaraFileRecord)
{
    BOOL ok;

    switch (pCXaraFileRecord->GetTag())
    {
        case TAG_ELLIPSE_SIMPLE     : ok = ReadEllipseSimple(pCXaraFileRecord); break;
        case TAG_ELLIPSE_COMPLEX    : ok = ReadEllipseComplex(pCXaraFileRecord); break;
        default                     : ok = ReadShapeInvalid(pCXaraFileRecord); break;
    }
    
    return ok;
}

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

>   BOOL EllipseRecordHandler::ReadEllipseSimple(pCXaraFileRecord); break;
    BOOL EllipseRecordHandler::ReadEllipseComplex(pCXaraFileRecord); break;

    Author:     Andy_Hayward (Xara Group Ltd) <camelotdev@xara.com>
    Created:    06/06/96
    Inputs:     pCXaraFileRecord - pointer to the record to read
    Returns:    TRUE if successfull, false otherwise
    Purpose:    Reads in an ellise record

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

BOOL EllipseRecordHandler::ReadEllipseSimple(CXaraFileRecord *pCXaraFileRecord)
{
    BOOL ok = TRUE;

    NodeRegularShape * pEllipse;
    DocCoord CentrePoint;
    INT32 Height;
    INT32 Width;

    pEllipse = new NodeRegularShape;

    if (ok) ok = SetupShape(pEllipse);
    if (ok) ok = SetIsCircular(pEllipse, TRUE);

    if (ok) ok = pCXaraFileRecord->ReadCoord(&CentrePoint);
    if (ok) ok = SetCentrePoint(pEllipse, CentrePoint);

    if (ok) ok = pCXaraFileRecord->ReadINT32(&Width);
    if (ok) ok = pCXaraFileRecord->ReadINT32(&Height);
    if (ok) ok = SetHeightAndWidth(pEllipse, Height, Width);

    if (ok) ok = InvalidateCache(pEllipse);
    if (ok) ok = InsertNode(pEllipse);

    return ok;
}

BOOL EllipseRecordHandler::ReadEllipseComplex(CXaraFileRecord *pCXaraFileRecord)
{
    BOOL ok = TRUE;

    NodeRegularShape *pEllipse;
    DocCoord CentrePoint;
    DocCoord MajorAxis;
    DocCoord MinorAxis;

    pEllipse = new NodeRegularShape;

    if (ok) ok = SetupShape(pEllipse);
    if (ok) ok = SetIsCircular(pEllipse, TRUE);

    if (ok) ok = pCXaraFileRecord->ReadCoord(&CentrePoint);
    if (ok) ok = SetCentrePoint(pEllipse, CentrePoint);

    if (ok) ok = pCXaraFileRecord->ReadCoordTrans(&MajorAxis,0,0);
    if (ok) ok = SetMajorAxis(pEllipse, MajorAxis);

    if (ok) ok = pCXaraFileRecord->ReadCoordTrans(&MinorAxis,0,0);
    if (ok) ok = SetMinorAxis(pEllipse, MinorAxis);

    if (ok) ok = InvalidateCache(pEllipse);
    if (ok) ok = InsertNode(pEllipse);

    return ok;
}

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

>   void GetRecordDescriptionText(CXaraFileRecord* pCXaraFileRecord,StringBase* Str);


    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    20/08/96
    Inputs:     pCXaraFileRecord - CXaraFileRecord holding the record in question
                Str - StringBase to add our information to
    Returns:    -
    Purpose:    Returns textual information on this record

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

#ifdef XAR_TREE_DIALOG
void EllipseRecordHandler::GetRecordDescriptionText(CXaraFileRecord* pRecord, StringBase *pStr)
{
    if (pRecord != NULL && pStr != NULL)
    {
        // Call base class first
        // This outputs the tag and size
        CamelotRecordHandler::GetRecordDescriptionText(pRecord,pStr);

        switch (pRecord->GetTag())
        {
            case TAG_ELLIPSE_SIMPLE : DescribeEllipseSimple(pRecord, pStr); break;
            case TAG_ELLIPSE_COMPLEX : DescribeEllipseComplex(pRecord, pStr); break;
            default : DescribeInvalid(pRecord, pStr); break;
        }
    }
}

void EllipseRecordHandler::DescribeEllipseSimple(CXaraFileRecord *pRecord, StringBase *pStr)
{
    if (pRecord == NULL || pStr == NULL)
        return;

    DocCoord CentrePoint;
    INT32 Height;
    INT32 Width;
    TCHAR s[256];

    BOOL ok = TRUE;
    if (ok) ok = pRecord->ReadCoord(&CentrePoint);
    if (ok) ok = pRecord->ReadINT32(&Width);
    if (ok) ok = pRecord->ReadINT32(&Height);

    (*pStr) += _T("Simple ellipse\r\n\r\n");

    camSprintf(s,_T("Centre point\t= %d, %d\r\n"),CentrePoint.x,CentrePoint.y);
    (*pStr) += s;
    camSprintf(s,_T("Width\t\t= %d\r\n"),Width);
    (*pStr) += s;
    camSprintf(s,_T("Height\t\t= %d\r\n"),Height);
    (*pStr) += s;
}

void EllipseRecordHandler::DescribeEllipseComplex(CXaraFileRecord *pRecord, StringBase *pStr)
{
    if (pRecord == NULL || pStr == NULL)
        return;

    DocCoord CentrePoint;
    DocCoord MajorAxis;
    DocCoord MinorAxis;
    TCHAR s[256];

    BOOL ok = TRUE;

    if (ok) ok = pRecord->ReadCoord(&CentrePoint);
    if (ok) ok = pRecord->ReadCoordTrans(&MajorAxis,0,0);
    if (ok) ok = pRecord->ReadCoordTrans(&MinorAxis,0,0);

    (*pStr) += _T("Complex ellipse\r\n\r\n");
    camSprintf(s,_T("Centre point\t= %d, %d\r\n"),CentrePoint.x,CentrePoint.y);
    (*pStr) += s;
    camSprintf(s,_T("Major axis\t\t= %d, %d\r\n"),MajorAxis.x,MajorAxis.y);
    (*pStr) += s;
    camSprintf(s,_T("Minor axis\t\t= %d, %d\r\n"),MinorAxis.x,MinorAxis.y);
    (*pStr) += s;
}

void EllipseRecordHandler::DescribeInvalid(CXaraFileRecord *pRecord, StringBase *pStr)
{
    if (pRecord == NULL || pStr == NULL)
        return;

    (*pStr) += _T("Invalid ellipse\r\n");
}
#endif

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