impcol.h

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

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

#ifndef INC_IMPCOL
#define INC_IMPCOL

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

class ColourListComponent;

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

<   ImportedNewColour

    Author:     Ben_Summers (Xara Group Ltd) <camelotdev@xara.com>
    Created:    18 03 95
    Purpose:    A structure to hold a new colour, which can be represented in any colour
                model. Uses a ColourGeneric which must be cast because C++ can't do unions
                in any useful way.
    SeeAlso:    ImportedColours

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

typedef struct
{
    ColourModel     Model;
    ColourGeneric   Colour;
} ImportedNewColour;

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

>   class NewColour : public ListItem

    Author:     Tim_Browse (Xara Group Ltd) <camelotdev@xara.com>
    Created:    30/11/94
    Purpose:    Represents a new colour object to be added to a document after a file
                has beeen imported.  It holds information on whether the colour name
                will need to be mangled
    SeeAlso:    NewColourList; ImportedColours

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

class NewColour : public ListItem
{
    CC_DECLARE_MEMDUMP(NewColour)

public:
    NewColour(IndexedColour*, BOOL);

    // Adds a colour to the list which duplicates this name
    BOOL AddDuplicateColour(IndexedColour **pNewCol, BOOL AlreadyExists);

    // Pointer to the new colour - can point to a colour that already exists in the document.
    IndexedColour *pCol;

    // This is TRUE if this colour is one that already exists in the document.
    // (i.e. pCol points to a colour that is in the document)
    BOOL AlreadyExistsInDoc;

    // TRUE if colour *name* has been defined more than once in the file being imported.
    // In this case, there is a list of such dupes (see pNextDuplicate, below)
    BOOL Duplicate;

    // Cached CMYK definition for comparing colours on CMYK values.
    PColourCMYK ColDefn;

    // If Duplicate is TRUE, this points to another imported colour that uses the same
    // name as this one.  Hence we have a simple one-way linked list here - this is
    // enough for our purposes.
    NewColour *pNextDuplicate;

// New bits for native/web file filter
    // If loaded    - this will be the record number that the colour definition has been loaded from
    // If unsaved   - this will be zero to indicate the fact that this colour has not been imported
    INT32 RecordNumber;

    // the desired entry number for this colour in the list
    UINT32 EntryNumber;
};



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

>   class NewColourList : public List

    Author:     Tim_Browse (Xara Group Ltd) <camelotdev@xara.com>
    Created:    30/11/94
    Purpose:    Holds a list of colours that are imported while importing a file into
                a Camelot document.
    SeeAlso:    NewColour; ImportedColours

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

class NewColourList : public List
{
    CC_DECLARE_MEMDUMP(NewColourList)

public:
    NewColour *AddColour(IndexedColour *pCol, BOOL AlreadyExists);  

    // We need to over-ride this because some items hold more than one colour.
    DWORD GetCount() const;                         
};


class NewColourInfo
{
public:
    NewColourInfo();

public:
    // Field that says what kind of colour this is.
    IndexedColourType Type;

    // Flag for each colour component - defaults to no inheritance at all - only used
    // if Type is NEWCOLOUR_LINKED.
    BOOL Inherits[4];

    // Tint value - only used if Type is COLOURTYPE_TINT. 
    // (defaults to 100%, i.e. original colour)
    FIXED24 TintValue;
    FIXED24 ShadeValue;

    // Tint modifier - if it is COLOURTYPE_TINT, this flag is TRUE if the tint is really a shade!
    // (Shades are treated as special cases of tints for historical reasons)
    BOOL TintIsShade;

// New bits for native/web file filter
    // Flags whether this colour is being imported by the web/native filter and therefore
    // has a different way of defining the parent colour
    BOOL WebNativeColour;

    // Pointer to the colour that has been imported.
    IndexedColour *pParentCol;

    // If loaded    - this will be the record number that the colour definition has been loaded from
    // If unsaved   - this will be zero to indicate the fact that this colour has not been imported
    INT32 RecordNumber;
    
    // the desired entry number for this colour in the list
    UINT32 EntryNumber;
};



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

>   class ColourImportContext : public List

    Author:     Tim_Browse (Xara Group Ltd) <camelotdev@xara.com>
    Created:    01/12/94
    Purpose:    Provides a colour context to use when importing colours, which allows us
                to easily import arbitrarily nested linked colours.
    SeeAlso:    ContextItem; ImportedColours

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

class ColourImportContext : public List
{
    CC_DECLARE_MEMDUMP(ColourImportContext);

public:
    ColourImportContext();
    ~ColourImportContext();

    BOOL Init();

    void SetContext(IndexedColour*);
    IndexedColour *GetContext();

    BOOL SaveContext();
    BOOL RestoreContext();
    BOOL RestoreContextTo(UINT32);
};


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

>   class ImportedColours : public CCObject

    Author:     Tim_Browse (Xara Group Ltd) <camelotdev@xara.com>
    Created:    30/11/94
    Purpose:    Encapsulate the process of importing a number of colours into a document.
                This object maintains a list of colours to be imported, and implicitly 
                handles all the merging/duplication problems that may occur.
    SeeAlso:    NewColour; NewColourList

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

class ImportedColours : public CCObject
{
    CC_DECLARE_MEMDUMP(ImportedColours)

public:
    ImportedColours(ColourListComponent*, BOOL);
    ~ImportedColours();

    BOOL Init();

    // Overloaded functions to add new colours to the table.
    BOOL AddColour(const String_64 *pColName, ColourCMYK  *pCMYK, 
                   NewColourInfo *pLinkInfo = NULL);
    BOOL AddColour(const String_64 *pColName, ColourRGBT  *pRGB,  
                   NewColourInfo *pLinkInfo = NULL);
    BOOL AddColour(const String_64 *pColName, ColourHSVT  *pHSV,  
                   NewColourInfo *pLinkInfo = NULL);
    BOOL AddColour(const String_64 *pColName, ColourGreyT *pGrey, 
                   NewColourInfo *pLinkInfo = NULL);
    BOOL AddColour(const String_64 *pColName, ImportedNewColour *pCol, 
                   NewColourInfo *pLinkInfo = NULL);

    // New function added for native/web import
    BOOL AddTintOrShade(const String_64 *pColName, NewColourInfo *pColourInfo);

    // Functions to add tints/shades and manipulate linked colours
    BOOL AddTint(const String_64 *pColName, UINT32 Tint);
    BOOL AddShade(const String_64 *pColName, INT32 ShadeX, INT32 ShadeY);
    void SetLinkedColourInherits(UINT32 ComponentID);

    // Functions to update the context stack for tinting and linking colours.
    void SaveContext();
    void RestoreContextTo(UINT32 Level);

    // Works out which new colour is referred to by this name
    IndexedColour *GetColour( PCTSTR ColName);

    // Works out which new colour is referred to by this name - intelligently
    // decides whether to use the CMYK definition to resolve ambiguities.
    IndexedColour *GetColour( PCTSTR ColName, const PColourCMYK *Defn);

    // Import has finished successfully- add the colours into the document
    // in an undoable way.
    BOOL AddColoursToDocument();

    BOOL SortColoursByEntryNumber();

    // Import failed - destroy colours and do not add them to the document.
    BOOL DestroyColours();

    // Function for native/web filters to find an indexed colour from the specified
    // record number or colour reference
    IndexedColour *GetColour(INT32 ReqRecordNumber);

protected:
    // The sort comparator we use for SortColoursByEntryNumber()
    static INT32 __cdecl SortComparator(const void *Item1, const void *Item2);

    // The list of colours to add
    NewColourList Colours;

    // A hash table from colour names to NewColour items.
    typedef CMap< String_64, const String_64 &, NewColour *, NewColour * >  CMapStringToNewColour;
    CMapStringToNewColour   *pColourMap;

    // The colour list component of the destination document.
    ColourListComponent *pColourComponent;

    // Used to remember which colours to link to or tint.
    ColourImportContext Context;

    // Indicates whether to check the CMYK values when servicing calls to GetColour().
    BOOL StrictColourMatching;

protected:
    BOOL AddColour(const String_64 *pColName, IndexedColour **pCol, 
                   NewColourInfo *pLinkInfo = NULL);
};


#endif  // INC_IMPCOL

---