expcol.cpp

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// $Id: expcol.cpp 1282 2006-06-09 09:46:49Z alex $
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 */

// Encapsulates a set of colours exported to a file.

/*
*/

#include "camtypes.h"

#include "expcol.h"
#include "colourix.h"
//#include "colmodel.h" - in camtypes.h [AUTOMATICALLY REMOVED]

DECLARE_SOURCE("$Revision: 1282 $");

CC_IMPLEMENT_MEMDUMP(ExportColour, ListItem)
CC_IMPLEMENT_MEMDUMP(ExportColourList, List)
CC_IMPLEMENT_MEMDUMP(ExportedColours, CCObject)

#define new CAM_DEBUG_NEW

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

>   ExportColour::ExportColour(IndexedColour *pNewCol, INT32 NewRecordNumber)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    23/5/96
    Inputs:     pNewCol         - the colour to put in the list.
                RecordNumber    - the number of the record that this colour definition has been
                                  saved in.
    Purpose:    Create a new export colour list item from the given indexed colour.
    SeeAlso:    ExportColourList;

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

ExportColour::ExportColour(IndexedColour *pNewCol, INT32 NewRecordNumber)
{
    // Initialise our class variables to these specified values.
    pCol = pNewCol;
    RecordNumber = NewRecordNumber;
}

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

>   ExportColour::ExportColour(PColourRGBT *pNewRGBCol, INT32 NewRecordNumber)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    3/6/96
    Inputs:     pNewRGBCol      - the simple RGB colour to put in the list.
                RecordNumber    - the number of the record that this colour definition has been
                                  saved in.
    Purpose:    Create a new export colour list item from the given indexed colour.
    SeeAlso:    ExportColourList;

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

ExportColour::ExportColour(PColourRGBT *pNewRGBCol, INT32 NewRecordNumber)
{
    // Initialise our class variables to these specified values.
    // Indexed colour is NULL, which means use the simple colour in searching
    pCol = NULL;
    SimpleRGBColour = *pNewRGBCol;
    RecordNumber = NewRecordNumber;
}

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

>   ExportColourList::~ExportColourList()

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    23/5/96
    Inputs:     -
    Outputs:    -
    Returns:    -
    Purpose:    Destroy the list of exported colours.
    SeeAlso:    ExportedColours

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

ExportColourList::~ExportColourList()
{
    // Destroy the list of colours which we may have
    //ExportColour* pExportedColour = (ExportColour *)GetHead();
    //while (pExportedColour)
    //{
    //  delete pExportedColour;

        // Try the next colour in the list
//      pExportedColour = (ExportColour *)Colours.GetNext(pExportedColour);
//  }
    
    DeleteAll();
}

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

>   ExportColour *ExportColourList::AddColour(IndexedColour *pCol, INT32 NewRecordNumber)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    23/5/96
    Inputs:     pNewCol         - the colour to put in the list.
                RecordNumber    - the number of the record that this colour definition has been
                                  saved in.
    Returns:    Pointer to the newly added colour, or 
                NULL if out of memory => ERROR1
    Purpose:    Add a new colour to the list of exported colours.
    Errors:     Out of memory => ERROR1
    SeeAlso:    ExportColour

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

ExportColour *ExportColourList::AddColour(IndexedColour *pCol, INT32 NewRecordNumber)
{
    ExportColour *pNewCol = new ExportColour(pCol, NewRecordNumber);

    // Check for out of memory
    if (pNewCol == NULL)
        return NULL;

    // Add to the list and return success
    AddTail(pNewCol);
    return pNewCol;
}

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

>   ExportColour *ExportColourList::AddColour(PColourRGBT *pNewRGBCol, INT32 NewRecordNumber)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    3/6/96
    Inputs:     pNewRGBCol      - the simple RGB colour to put in the list.
                RecordNumber    - the number of the record that this colour definition has been
                                  saved in.
    Returns:    Pointer to the newly added colour, or 
                NULL if out of memory => ERROR1
    Purpose:    Add a new colour to the list of exported colours.
    Errors:     Out of memory => ERROR1
    SeeAlso:    ExportColour

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

ExportColour *ExportColourList::AddColour(PColourRGBT *pNewRGBCol, INT32 NewRecordNumber)
{
    ExportColour *pNewCol = new ExportColour(pNewRGBCol, NewRecordNumber);

    // Check for out of memory
    if (pNewCol == NULL)
        return NULL;

    // Add to the list and return success
    AddTail(pNewCol);
    return pNewCol;
}

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

>   ExportedColours::ExportedColours()

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    23/5/96
    Inputs:     -
    Outputs:    -
    Returns:    -
    Purpose:    Construct the class which encapsulates a list of exported colours.
    SeeAlso:    ExportedColours

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

ExportedColours::ExportedColours()
{
}

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

>   ExportedColours::~ExportedColours()

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    23/5/96
    Inputs:     -
    Outputs:    -
    Returns:    -
    Purpose:    Destroy the class which encapsulates a list of exported colours.
    SeeAlso:    ExportedColours

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

ExportedColours::~ExportedColours()
{
}

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

>   BOOL ExportedColours::AddColour(IndexedColour *pNewCol, INT32 RecordNumber)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    23/5/96
    Inputs:     pNewCol         - the colour to put in the list.
                RecordNumber    - the number of the record that this colour definition has been
                                  saved in.
    Returns:    TRUE if the colour could be added;
                FALSE if not
    Purpose:    Add the specified colour to the list of already exported colours.
    Errors:     -
    SeeAlso:    ExportColourList;

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

BOOL ExportedColours::AddColour(IndexedColour *pNewCol, INT32 RecordNumber)
{
    // Add the colour onto our list
    ExportColour * pExpCol = Colours.AddColour(pNewCol, RecordNumber);
    if (pExpCol)
        return TRUE;
    
    return FALSE;
}

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

>   BOOL ExportedColours::AddColour(PColourRGBT *pNewRGBCol, INT32 RecordNumber)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    3/6/96
    Inputs:     pNewRGBCol      - the simple RGB colour to put in the list.
                RecordNumber    - the number of the record that this colour definition has been
                                  saved in.
    Returns:    TRUE if the colour could be added;
                FALSE if not
    Purpose:    Add the specified colour to the list of already exported colours.
    Errors:     -
    SeeAlso:    ExportColourList;

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

BOOL ExportedColours::AddColour(PColourRGBT *pNewRGBCol, INT32 RecordNumber)
{
    // Add the colour onto our list
    ExportColour * pExpCol = Colours.AddColour(pNewRGBCol, RecordNumber);
    if (pExpCol)
        return TRUE;
    
    return FALSE;
}

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

>   ExportColour *ExportedColours::GetColour(IndexedColour *pSearchCol)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    23/5/96
    Inputs:     pSearchCol          - the colour to search for in the list.
    Returns:    if the item is found then returns       - Pointer to the exported colour list item
                if the item is not found then returns   - NULL.
    Purpose:    Find an indexed colour in the exported list.
    SeeAlso:    ExportColourList

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

ExportColour *ExportedColours::GetColour(IndexedColour *pSearchCol)
{
    if (pSearchCol == NULL)
    {
        ERROR3("ExportedColours::GetColour - searching for a null indexed colour!");
    }

    ExportColour* pExportedColour = (ExportColour *)Colours.GetHead();
    while (pExportedColour)
    {
        // Compare the indexed colour pointers and return the match if they are the same
        if (pExportedColour->pCol == pSearchCol)
            return pExportedColour;
        
        // Try the next colour in the list
        pExportedColour = (ExportColour *)Colours.GetNext(pExportedColour);
    }

    // No - return failure.
    return NULL;
}

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

>   ExportColour *ExportedColours::GetColour(PColourRGBT *pSearchRGBCol)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    3/6/96
    Inputs:     pSearchRGBCol       - the simple RGB colour to search for in the list.
    Returns:    if the item is found then returns       - Pointer to the exported colour list item
                if the item is not found then returns   - NULL.
    Purpose:    Find a simpple RGB colour in the exported list.
    SeeAlso:    ExportColourList

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

ExportColour *ExportedColours::GetColour(PColourRGBT *pSearchRGBCol)
{
    if (pSearchRGBCol == NULL)
    {
        ERROR3("ExportedColours::GetColour (Simple )- searching for a null indexed colour!");
    }

    ExportColour* pExportedColour = (ExportColour *)Colours.GetHead();
    while (pExportedColour)
    {
        // Only check if this is a simple colour
        if (pExportedColour->pCol == NULL)
        {
            // Compare the simple RGB colours and return the match if they are the same
            if (
                pExportedColour->SimpleRGBColour.Red == pSearchRGBCol->Red &&
                pExportedColour->SimpleRGBColour.Green == pSearchRGBCol->Green &&
                pExportedColour->SimpleRGBColour.Blue == pSearchRGBCol->Blue &&
                pExportedColour->SimpleRGBColour.Transparent == pSearchRGBCol->Transparent
               )
                return pExportedColour;
        }
        
        // Try the next colour in the list
        pExportedColour = (ExportColour *)Colours.GetNext(pExportedColour);
    }

    // No - return failure.
    return NULL;
}

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