rechunit.cpp

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// $Id: rechunit.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.
       Copyright on certain contributions may be held in joint with their
              respective authors. See AUTHORS file for details.

LICENSE TO USE AND MODIFY SOFTWARE
----------------------------------

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

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

// Implementation of the colour record handler class of the v2 file format

#include "camtypes.h"

#include "rechunit.h"   // UnitsRecordHandler for importing units from v2 native/web files
#include "unitcomp.h"   // Document units component, handles import of units
//#include "camfiltr.h" // BaseCamelotFilter - version 2 native filter - in camtypes.h [AUTOMATICALLY REMOVED]
#include "cxftags.h"    // TAG_DEFINERGBCOLOUR TAG_DEFINECOMPLEXCOLOUR
//#include "cxfrec.h"       // TAG_DEFINERGBCOLOUR TAG_DEFINECOMPLEXCOLOUR - in camtypes.h [AUTOMATICALLY REMOVED]
#include "cxfunits.h"   // default export unit types

DECLARE_SOURCE("$Revision: 1688 $");

// Declare smart memory handling in Debug builds
#define new CAM_DEBUG_NEW

// An implement to match the Declare in the .h file.
CC_IMPLEMENT_DYNAMIC(UnitsRecordHandler,CamelotRecordHandler);

// #if NEW_NATIVE_FILTER    // New native filters, only available to those who need them at present

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

>   virtual BOOL UnitsRecordHandler::BeginImport()

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    24/7/96
    Inputs:     0
    Returns:    TRUE if ok
                FALSE otherwise
    Purpose:    Initialises the units record handler.
    Errors:     -
    SeeAlso:    -

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

BOOL UnitsRecordHandler::BeginImport()
{
    pUnitsComponent = GetUnitDocComponent();

    return (pUnitsComponent != NULL);
}

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

>   virtual UINT32* UnitsRecordHandler::GetTagList()

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    24/7/96
    Inputs:     -
    Returns:    Ptr to a list of tag values, terminated by CXFRH_TAG_LIST_END
    Purpose:    Provides the record handler system with a list of records handled by this
                handler
    SeeAlso:    -

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

UINT32* UnitsRecordHandler::GetTagList()
{
    static UINT32 TagList[] = {TAG_DEFINE_PREFIXUSERUNIT, TAG_DEFINE_SUFFIXUSERUNIT,
                              TAG_DEFINE_DEFAULTUNITS,
                              CXFRH_TAG_LIST_END};

    return (UINT32*)&TagList;
}

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

>   virtual BOOL UnitsRecordHandler::HandleRecord(CXaraFileRecord* pCXaraFileRecord)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    24/7/96
    Inputs:     pCXaraFileRecord = ptr to record to handle
    Returns:    TRUE if handled successfuly
                FALSE otherwise
    Purpose:    Handles the given record.
    SeeAlso:    -

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

BOOL UnitsRecordHandler::HandleRecord(CXaraFileRecord* pCXaraFileRecord)
{
// WEBSTER - markn 17/12/96
// No unit record handling needed
#ifdef WEBSTER
    return TRUE;
#else
    ERROR2IF(pCXaraFileRecord == NULL,FALSE,"UnitsRecordHandler::HandleRecord pCXaraFileRecord is NULL");

    BOOL ok = TRUE;
    Document * pDoc = GetDocument();
    INT32 Tag = pCXaraFileRecord->GetTag();
    switch (Tag)
    {
         case TAG_DEFINE_DEFAULTUNITS:
            // Ask the units document component class to import those default display units for us
            // If we are just importing data from this document into an existing one,
            // then don't import this data.
            if (IsImporting())
                break;
            if (pUnitsComponent)
                pUnitsComponent->ImportDefaultDisplayUnits(pCXaraFileRecord, pDoc);
            else
                ERROR3("UnitsRecordHandler::HandleRecord no pUnitsComponent");
            break;
         case TAG_DEFINE_PREFIXUSERUNIT:
         case TAG_DEFINE_SUFFIXUSERUNIT:
            // Ask the units document component class to import this user unit definition for us
            if (pUnitsComponent)
                pUnitsComponent->ImportUserUnitDefinition(pCXaraFileRecord, pDoc, Tag);
            else
                ERROR3("UnitsRecordHandler::HandleRecord no pUnitsComponent");
            break;

        default:
            ok = FALSE;
            ERROR3_PF(("UnitsRecordHandler::HandleRecord I don't handle records with the tag (%d)\n",pCXaraFileRecord->GetTag()));
            break;
    }

    return ok;
#endif // WEBSTER
}

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

>   virtual void UnitsRecordHandler::GetRecordDescriptionText(CXaraFileRecord* pRecord,StringBase* pStr)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    24/7/96
    Inputs:     pRecord = ptr to a record
                pStr = ptr to string to update
    Returns:    -
    Purpose:    This provides descriptions for the define units records.
    Errors:     -
    SeeAlso:    -

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

#ifdef XAR_TREE_DIALOG
void UnitsRecordHandler::GetRecordDescriptionText(CXaraFileRecord* pRecord, StringBase* pStr)
{
    if (pStr == NULL || pRecord == NULL)
        return;

    // Call base class first
    // This outputs the tag and size
    CamelotRecordHandler::GetRecordDescriptionText(pRecord,pStr);

    UINT32 Tag = pRecord->GetTag();
    BOOL ok = TRUE;
    TCHAR s[256];
//  INT32 RecordNumber = pRecord->GetRecordNumber();
    switch (Tag)
    {
        case TAG_DEFINE_DEFAULTUNITS:
        {
            // Read in the export unit types
            INT32 ExportPageUnits = 0L;
            INT32 ExportFontUnits = 0L;
            if (ok) ok = pRecord->ReadINT32(&ExportPageUnits);
            (*pStr) += _T("Page units: ");
            DescribeDefaultUnit(ExportPageUnits, pStr);
            (*pStr) += _T("\r\n");
            if (ok) ok = pRecord->ReadINT32(&ExportFontUnits);
            (*pStr) += _T("Font units: ");
            DescribeDefaultUnit(ExportFontUnits, pStr);
            (*pStr) += _T("\r\n");
            break;
        }

         case TAG_DEFINE_PREFIXUSERUNIT:
         case TAG_DEFINE_SUFFIXUSERUNIT:
        {
//          BOOL Prefix = TRUE;
            switch (Tag)
            {
                case TAG_DEFINE_PREFIXUSERUNIT:
                    (*pStr) += _T("Define prefix unit: \r\n\r\n");
                    break;
                case TAG_DEFINE_SUFFIXUSERUNIT:
                    (*pStr) += _T("Define suffix unit: \r\n\r\n");
                    break;
                default:
                    ERROR3("Bad tag in ImportUserUnitDefinition");
            }
                    
            // Read in the main full name of the unit
            String_32 Name;
            pRecord->ReadUnicode(&Name);//Name, Name.MaxLength());
            (*pStr) += _T("Name of unit: \t\t= ");
            (*pStr) += Name;
            (*pStr) += _T("\r\n");

            // And the abbreviation
            String_32 Abbrev;
            pRecord->ReadUnicode(&Abbrev);//Abbrev, Abbrev.MaxLength());
            (*pStr) += _T("Abbreviation for unit: \t= ");
            (*pStr) += Abbrev;
            (*pStr) += _T("\r\n\r\n");
            
            // Read in the size of this unit, 0 means based on
            double UnitSize = 0.0;
            pRecord->ReadDOUBLE(&UnitSize);
            camSprintf(s,_T("Size of unit: \t\t= %f\r\n"),UnitSize);
            (*pStr) += s;

            // Read in the exported base unit type
            INT32 ExportBaseUnit = 0L;
            pRecord->ReadINT32(&ExportBaseUnit);
            (*pStr) += _T("Based on unit: \t\t= ");
            DescribeDefaultUnit(ExportBaseUnit, pStr);
            (*pStr) += _T("\r\n");

            // Read in the multipliers for this unit
            double BaseNumerator = 0.0;
            double BaseDenominator = 0.0;
            pRecord->ReadDOUBLE(&BaseNumerator);
            pRecord->ReadDOUBLE(&BaseDenominator);
            camSprintf(s,_T("Numerator: \t\t= %f\r\n"),BaseNumerator);
            (*pStr) += s;
            camSprintf(s,_T("Denominator: \t\t= %f\r\n"),BaseDenominator);
            (*pStr) += s;

            break;
        }
    } 

    return;
}

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

>   virtual void UnitsRecordHandler::GetRecordDescriptionText(CXaraFileRecord* pRecord,StringBase* pStr)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    25/7/96
    Inputs:     ExportUnit(*pStr) += default unit to describe
                pStr = ptr to string to update
    Returns:    -
    Purpose:    Converts the ExportUnitType into a textual description.
    Errors:     -
    SeeAlso:    -

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

void UnitsRecordHandler::DescribeDefaultUnit(INT32 ExportUnitType, StringBase* pStr)
{
    TCHAR s[256];
    if (ExportUnitType < 0)
    {
        switch (ExportUnitType)
        {
            case REF_DEFAULTUNIT_MILLIMETRES:   (*pStr) += _T("MILLIMETRES");   break;
            case REF_DEFAULTUNIT_CENTIMETRES:   (*pStr) += _T("CENTIMETRES");   break;
            case REF_DEFAULTUNIT_METRES:        (*pStr) += _T("METRES");        break;
            case REF_DEFAULTUNIT_KILOMETRES:    (*pStr) += _T("KILOMETRES");    break;
            case REF_DEFAULTUNIT_MILLIPOINTS:   (*pStr) += _T("MILLIPOINTS");   break;
            case REF_DEFAULTUNIT_COMP_POINTS:   (*pStr) += _T("COMP_POINTS");   break;
            case REF_DEFAULTUNIT_PICAS:         (*pStr) += _T("PICAS");         break;
            case REF_DEFAULTUNIT_INCHES:        (*pStr) += _T("INCHES");        break;
            case REF_DEFAULTUNIT_FEET:          (*pStr) += _T("FEET");          break;
            case REF_DEFAULTUNIT_YARDS:         (*pStr) += _T("YARDS");         break;
            case REF_DEFAULTUNIT_MILES:         (*pStr) += _T("MILES");         break;
            case REF_DEFAULTUNIT_PIXELS:        (*pStr) += _T("PIXELS");        break;

            case REF_DEFAULTUNIT_NOTYPE:        (*pStr) += _T("NOTYPE");        break;
            default:
                camSprintf(s,_T("%d"),ExportUnitType);
                (*pStr) += s;
                break;
        }
    }
    else
    {
        camSprintf(s,_T("%d"),ExportUnitType);
        (*pStr) += s;
    }
}

#endif // _DEBUG

// #endif // NEW_NATIVE_FILTER

---