filtimag.h

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// $Id: filtimag.h 1282 2006-06-09 09:46:49Z alex $
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================================XARAHEADERSTART===========================
 
               Xara LX, a vector drawing and manipulation program.
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 */
//

#ifndef INC_IMAGEMAPFILTER
#define INC_IMAGEMAPFILTER

#include "filtimop.h"   //For ImagemapFilterOptions
#include "filtirr.h"    //For ImagemapRenderRegion
//#include "filters.h"  //For AuldLangSyne - in camtypes.h [AUTOMATICALLY REMOVED]
#include "htmlexp.h"    //The HTML export filter
//#include "list.h"     //For the list class - in camtypes.h [AUTOMATICALLY REMOVED]

class CCLexFile;
class Operation;

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

>   class ImagemapFilter : public HTMLExportFilter

    Author:     Graham_Walmsley (Xara Group Ltd) <camelotdev@xara.com>
    Created:    9/4/97
    Purpose:    The imagemap export filter class.

                This code contained in this class is called when

                a. The user selects the Imagemap filter class in the Export...
                    dialog box.

                b. The user tells one of the bitmap filters to export an imagemap
                    at the same time as it exports the bitmap

**************************************************************************************/
class ImagemapFilter : public HTMLExportFilter
{
    // Declare the class for memory tracking
    CC_DECLARE_MEMDUMP(ImagemapFilter);

    //Constructor and initialiser
public:
    ImagemapFilter();

    virtual BOOL Init();

    //Destructor
public:
    ~ImagemapFilter();


    //Main entry points
public:
    virtual BOOL DoExport(Operation* pOp, CCLexFile* pFile, PathName* pPath, Document* pDoc,
                          BOOL ShowOptions);
    
    
    BOOL PrepareAndWriteData(Document* pDoc);

    BOOL PrepareData(Document* pDoc);
    BOOL WriteData();

    BOOL GetOptionsFromUser(ImagemapFilterOptions* pifoDefault, PathName* ppthFile, CCLexFile* pFile);
    
    //This function produces the "Do you want to replace file?" message
    BOOL WillAcceptExistingFile(PathName pthToReplace);

    void SearchFileForImagemaps(const PathName& pthSearch, List* plstToAdd);




    //Access functions
public:
    void SetFilterOptions(ImagemapFilterOptions ifoOptions);
    ImagemapFilterOptions GetFilterOptions();

    BOOL ExportSelectionOnly(BOOL MaskedRender = FALSE)
    {
        return (ms_Options.m_stExportArea==SELECTION);
    }

    //Action functions (called from the entry points to do things)
protected:
    void Write(CCLexFile* pfileToWrite);


    //Toolkit functions
protected:
    BOOL PrepareRenderRegion(Document* pDoc);
    void ForceBackgroundRedrawOff(DocView* pView);
    void RestoreBackgroundRedraw(DocView* pView);

    BOOL OpenImagemapFile(CCLexFile* pFile, PathName* pPath);
    BOOL CloseImagemapFile(CCLexFile* pFile);

    INT32 WriteHelper(CCLexFile* pfileToWrite=NULL, TCHAR* pcBuffer=NULL);
    INT32 WriteBitmapHTML(CCLexFile* pfileToWrite=NULL, TCHAR* pcBuffer=NULL);
    INT32 WriteImagemapHTML(CCLexFile* pfileToWrite=NULL, TCHAR* pcBuffer=NULL);
    INT32 WritePreamble(TCHAR* pcBuffer);

    void CopyToClipboard(TCHAR* pcBuffer=NULL);

    BOOL WriteDataToExistingFile(CCLexFile* pFile, PathName* pPath);
    BOOL WriteDataToNewFile(CCLexFile* pFile, PathName* pPath);

    BOOL WriteExistingDataHelper(CCLexFile* pfileTo, CCLexFile* pfileFrom, PathName* pPath);
    BOOL ContainsSameImagemapName(CCLexFile* pfileSearch);

    void BuildMapNamesList(CCLexFile* pfileSearch, PathName* ppthSearch, List* plstToAdd);







    //Member variables
protected:
    //This object should hold all the settings that can be set for the imagemap filter
    static ImagemapFilterOptions ms_Options;

    //The imagemap render region
    ImagemapRenderRegion* m_pRegion;

    //Some member variables to stop background rendering
    DocView* pView;
    BOOL BackgroundRedrawStateSet;
    BOOL BackgroundRedrawState;

    //Static member variables
private:
    //These strings are used to put preferences into the registry
    static TCHAR ms_strApprox[];
    static TCHAR ms_strAllRectangles[];
    static TCHAR ms_strClipboard[]; 
    static TCHAR ms_strFile[];  
    static TCHAR ms_strInsert[];    
};

#endif  // INC_IMAGEMAPFILTER

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