expcol.h

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

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

#ifndef INC_EXPCOL
#define INC_EXPCOL

//#include "list.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "listitem.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "colmodel.h" // PColourRGBT - in camtypes.h [AUTOMATICALLY REMOVED]

class ColourListComponent;
class IndexedColour;

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

>   class ExportColour : public ListItem

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    23/5/96
    Purpose:    Represents a colour object that has been saved out into the file already.
                This enables any other references to the colour to be output as we have a
                mechanism to remember that a colour definition has already been saved into
                the file and the record number it was saved under.
    SeeAlso:    ColourListComponent;

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

class ExportColour : public ListItem
{
    CC_DECLARE_MEMDUMP(ExportColour)

public:
    // Adds a newly saved colour to the list
    ExportColour( IndexedColour *pNewCol,  INT32 NewRecordNumber);

    // Adds a newly exported simple colour to the list.
    ExportColour( PColourRGBT *pNewRGBCol,  INT32 NewRecordNumber);

    // Pointer to the colour that has been exported.
    IndexedColour *pCol;

    // If it is a simple colour then pCol will be NULL and we will need to save out the RGB
    // colour. This will be saved in a *packed* (8-bit components) colour structure
    PColourRGBT SimpleRGBColour;

    // If saved     - this will be the record number that the colour definition is saved in
    // If unsaved   - this will be zero to indicate this fact
    INT32 RecordNumber;
};

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

>   class ExportColourList : public List

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    23/5/96
    Purpose:    Holds a list of colours that have been exported when we are saving a Version
                2 Native Camelot document out to file.
    SeeAlso:    ExportColour; 

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

class ExportColourList : public List
{
    CC_DECLARE_MEMDUMP(ExportColourList)

public:
    ~ExportColourList();

public:
    ExportColour *AddColour( IndexedColour *pCol,  INT32 RecordNumber); 
    ExportColour *AddColour( PColourRGBT *pNewRGBCol,  INT32 RecordNumber); 
};

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

>   class ExportedColours : public CCObject

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    23/5/96
    Purpose:    Encapsulate the process of maintaining an list of colours already exported 
                from the current document out to file.
    SeeAlso:    NewExportColour; ExportColourList

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

class ExportedColours : public CCObject
{
    CC_DECLARE_MEMDUMP(ExportedColours)

public:
    ExportedColours();
    ~ExportedColours();

    // Functions to add a newly exported colour to the list.
    BOOL AddColour( IndexedColour *pNewCol,  INT32 RecordNumber);

    // Functions to add a newly exported simple colour to the list.
    BOOL AddColour( PColourRGBT *pNewRGBCol,  INT32 RecordNumber);

    // Finds if we already have this colour in the list
    ExportColour *GetColour( IndexedColour *pSearchCol);

    // Finds if we already have this simple RGB colour in the list
    ExportColour *GetColour( PColourRGBT *pNewRGBCol);

protected:
    // The list of colours to add
    ExportColourList Colours;
};


#endif  // INC_EXPCOL

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