swffiltr.h

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// $Id: swffiltr.h 1282 2006-06-09 09:46:49Z alex $
/* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE
================================XARAHEADERSTART===========================
 
               Xara LX, a vector drawing and manipulation program.
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----------------------------------

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 */
#ifndef INC_SWF_EXPORT
#define INC_SWF_EXPORT

#include "swfrndr.h"    // Definition of FlashRenderRegion.
//#include "filters.h"  // Base filter class. - in camtypes.h [AUTOMATICALLY REMOVED]

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

>   class SWFFilter : public VectorFilter

    Author:     Graeme_Sutherland (Xara Group Ltd) <camelotdev@xara.com>
    Created:    16/08/99
    Purpose:    Enables Camelot to export images in the Flash (SWF) file format.
    SeeAlso:    VectorFilter

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

class FlashFilter : public VectorFilter
{
    friend class FlashRenderCallback;

    CC_DECLARE_DYNAMIC( FlashFilter );

public:
    FlashFilter( void );                            // Constructor.
    BOOL Init( void );                              // Initialise the filter.

    BOOL DoImport( SelOperation *Op,                // Do an import.
                    CCLexFile* pFile, 
                    Document *DestDoc,
                    BOOL AutoChosen,
                    ImportPosition *Pos,
                    KernelBitmap** ppImportedBitmap,
                    DocCoord* pPosTranslate,
                    String_256* URL );

    BOOL DoExport( Operation* pOp,                  // Export file.
                    CCLexFile* pFile,
                    PathName* pPath, 
                    Document* TheDocument,
                    BOOL ShowOptions );

    BOOL PrepareToExport( CCLexFile* pFile,
                           Spread* pSpread );

    virtual BOOL ExportSelectionOnly(BOOL MaskedRender = FALSE);    // Should only export selected nodes.
    virtual BOOL ExportVisibleLayersOnly();                         // Should hidden layers be exported.

    // Gets the colour of a page background.
    static DocColour GetPageColour( Spread  *pSpread,
                                     Node** pBackground );

protected:
    // Custom export render method.
    virtual BOOL WriteNodes( RenderRegion *pRegion,
                              ExportDC *pDC,
                              BOOL VisibleLayersOnly,
                              BOOL CheckSelected,
                              BOOL ShowProgress );

private:
    void CleanUpAfterExport( BOOL Success );        // Tidy up after export.

    // Functions for extracting button state details.
    LayerState GetButtonState( Node *pNode );       // Determine whether pNode is a button.
    BOOL GetButtonName( Node *pNode,                // Get the name of pNode's button.
                         String_256 &ButtonName );

    // Members
    Node*       mpBackgroundNode;                       // Pointer to the background colour node.
    BOOL        mOnlySelected;                      // Only render selected nodes.
    DocColour*  mpBackgroundCol;                    // Background colour for the image.
    DocRect     mPageRect;                          // Bounding rectangle for spread.
};


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

>   class FlashRenderCallback : public RenderCallback

    Author:     Phil_Martin (Xara Group Ltd) <camelotdev@xara.com>
    Created:    01/12/2004
    Purpose:    Handling callbacks from RenderTree
    Notes:      RenderTree function calls the main function in this class when it's about
                to render any Node.

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

class FlashRenderCallback : public RenderCallback
{
public:
    FlashRenderCallback(FlashFilter* pFilter, FlashRenderRegion* pFRR, BOOL bVisibleLayersOnly, BOOL bSelectedOnly, Node* pBackgroundNode)
    {
        m_pFilter = pFilter;
        m_pFRR = pFRR;
        m_bVisibleLayersOnly = bVisibleLayersOnly;
        m_bSelectedOnly = bSelectedOnly;
        m_pBackgroundNode = pBackgroundNode;
    }

    virtual BOOL BeforeNode(RenderRegion* pRegion, Node* pNode);
    virtual BOOL BeforeSubtree(RenderRegion* pRegion,
                                Node* pNode,
                                Node** ppNextNode,
                                BOOL bClip,
                                SubtreeRenderState* pState);

private:
    FlashFilter* m_pFilter;
    FlashRenderRegion* m_pFRR;
    Node* m_pBackgroundNode;
    BOOL m_bVisibleLayersOnly;
    BOOL m_bSelectedOnly;
};


#endif // INC_SWF_EXPORT

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