bfxdlg2.cpp

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// $Id: bfxdlg2.cpp 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.
                    Copyright (C) 1993-2006 Xara Group Ltd.
       Copyright on certain contributions may be held in joint with their
              respective authors. See AUTHORS file for details.

LICENSE TO USE AND MODIFY SOFTWARE
----------------------------------

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Xara LX is free software; you can redistribute it and/or modify it
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-----------------

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The additional rights are to use, modify, and distribute the software
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=================================XARAHEADEREND============================
 */
// Handles the bitmap effects dialog

/*
*/

#include "camtypes.h"
//#include "bfxrc.h"
#include "bfxdlg2.h"
#include "bfxdlg.h"     // BfxMsg
//#include "bitmap.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "bmplist.h" - in camtypes.h [AUTOMATICALLY REMOVED]
#include "oilprog.h"

#include "ccdc.h"       // specific #includes needed for kernel-rendered dialogues
#include "dlgcol.h"
//#include "fillval.h" - in camtypes.h [AUTOMATICALLY REMOVED]
#include "grnddib.h"

//#include "app.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "range.h" - in camtypes.h [AUTOMATICALLY REMOVED]
#include "nodebmp.h"
#include "bitmpinf.h"
//#include "bmplist.h"
#include "bmpcomp.h"
//#include "fillattr.h" - in camtypes.h [AUTOMATICALLY REMOVED]
#include "bitmapfx.h"
//#include "undoop.h" - in camtypes.h [AUTOMATICALLY REMOVED]
#include "progress.h"
#include "csrstack.h"
//#include "document.h" - in camtypes.h [AUTOMATICALLY REMOVED]
#include "chapter.h"
#include "page.h"
//#include "spread.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "trans2d.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "rikdlg.h"
//#include "resource.h"
//#include "docview.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "barsdlgs.h"         // for the bitmap effects bar control
#include "wrkrect.h"

//#include "will2.h"

#include "mrhbits.h"
//#include "resource.h"

// This is not compulsory, but you may as well put it in so that the correct version
// of your file can be registered in the .exe
DECLARE_SOURCE("$Revision: 1282 $");

// An implement to match the Declare in the .h file.
// If you have many classes, it is recommended to place them all together, here at the start of the file
CC_IMPLEMENT_DYNCREATE(BfxPlugInDlg, DialogOp)
CC_IMPLEMENT_DYNCREATE(BfxBrightnessContrastDlg, BfxPlugInDlg)
CC_IMPLEMENT_DYNCREATE(BfxSpecialEffectsDlg, BfxPlugInDlg)
CC_IMPLEMENT_DYNCREATE(BfxResizeDlg, BfxPlugInDlg)
CC_IMPLEMENT_DYNCREATE(BfxFlipAndRotateDlg, BfxPlugInDlg)
CC_IMPLEMENT_DYNCREATE(BfxColourDepthDlg, BfxPlugInDlg)

// This will get Camelot to display the filename and linenumber of any memory allocations
// that are not released at program exit
#define new CAM_DEBUG_NEW

const CDlgMode BfxPlugInDlg::Mode = MODAL;      // Mode of the dialog  
UINT32 BfxPlugInDlg::IDD = _R(IDD_BFXDLG);      // Used to uniquely identify the tabbed dialog
                                                // there is no actual resource associated with this ID.
BOOL BfxPlugInDlg::InteractiveBCC = TRUE;

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

>   BfxPlugInDlg::BfxPlugInDlg(CDlgResID id = BfxPlugInDlg::IDD): DialogOp(id, BfxPlugInDlg::Mode) 

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    20/02/95
    Purpose:    The Constructor of the DialogTabOp derived class simply sets modality of the
                dialog, and it's ID.

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

BfxBrightnessContrastDlg::BfxBrightnessContrastDlg() : BfxPlugInDlg( _R(IDD_BFXPLUGINDLG_PG3) ) 
{
    OpenPage = _R(IDD_BFXPLUGINDLG_PG3);
}

BfxSpecialEffectsDlg::BfxSpecialEffectsDlg() : BfxPlugInDlg( _R(IDD_BFXPLUGINDLG_PG5) ) 
{
    OpenPage = _R(IDD_BFXPLUGINDLG_PG5);
}

BfxResizeDlg::BfxResizeDlg() : BfxPlugInDlg( _R(IDD_BFXPLUGINDLG_PG2) ) 
{
    OpenPage = _R(IDD_BFXPLUGINDLG_PG2);
}

BfxFlipAndRotateDlg::BfxFlipAndRotateDlg() : BfxPlugInDlg( _R(IDD_BFXPLUGINDLG_PG1) ) 
{
    OpenPage = _R(IDD_BFXPLUGINDLG_PG1);
}

BfxColourDepthDlg::BfxColourDepthDlg() : BfxPlugInDlg( _R(IDD_BFXPLUGINDLG_PG4) ) 
{
    OpenPage = _R(IDD_BFXPLUGINDLG_PG4);
}

BfxPlugInDlg::BfxPlugInDlg(CDlgResID id) : DialogOp(id, BfxPlugInDlg::Mode) 
{
    pOriginal = NULL;
    pDestination = NULL;
    pPrevOriginal=NULL;
    pOrigInfo = NULL;
    m_UseInitial = TRUE;
    Clean = FALSE;
    pFX = NULL;
    SetParameters();
    for (INT32 i = 0; i<=8; i++) Matrix[i]=(i==4)?1.0:0.0;

    m_pParam = NULL;
    m_pDocument = NULL;
}        

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

>   BfxPlugInDlg::~BfxPlugInDlg()

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    20/02/95
    Purpose:    Destructor

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

BfxPlugInDlg::~BfxPlugInDlg()
{
    // Check to see if we needed to generate a copy of any 32bit BMPs
    if(!m_p24BitCopyNames.IsEmpty())
    {
        // If so remove the tempory version!
        Remove24BitTempCopy();
    }

    if (pFX) delete pFX;
    if (pDestination) {TRACEUSER( "Neville", _T("Destructor deleting destination\n"));delete pDestination;}
    if (pOrigInfo) delete pOrigInfo;
}        

void BfxPlugInDlg::Remove24BitTempCopy()
{
    // Get the selected Document
    Document * pDoc = Document::GetSelected();

    // Get the bitmap list
    BitmapList* Bitmaps = NULL;
    if (pDoc)
    {
        Bitmaps = pDoc->GetBitmapList();
    }

    // Get the first bitmap out of the bitmap list
    KernelBitmap * pBmp = (KernelBitmap *)(Bitmaps->GetHead());
    KernelBitmap * pTemp = NULL;

    POSITION Pos = NULL;
    BOOL DeleteThisBMP = FALSE;

    // If we`ve got a valid BMP then do some testing!
    while (pBmp != NULL)
    {
        // Get the first Copy Name from our list
        Pos = m_p24BitCopyNames.GetHeadPosition();

        // While the Position and the BMP are both valid do the check!
        while(Pos != NULL && pBmp != NULL)
        {
            // Check to see if the BMP`s name matches the one held in the copy list
            if (pBmp->GetName().CompareTo(m_p24BitCopyNames.GetAt(Pos)) == 0)
            {
                // Mark this BMP For deletion!
                DeleteThisBMP = TRUE;

                // Now break out of this while loop!
                break;
            }

            // Get the next name from the copy name list
            m_p24BitCopyNames.GetNext(Pos);
        }

        // If this isn`t the one then get the next in the list!
        pTemp = (KernelBitmap *) Bitmaps->GetNext(pBmp);

        // If the flag has been set then delete it!
        if(DeleteThisBMP)
        {
            // Remove it, Detach it, delete it and then just for good measure NULL it!!!
            Bitmaps->RemoveItem(pBmp);
            pBmp->Detach();
            delete pBmp;
            pBmp = NULL;

            // Reset the Delete flag
            DeleteThisBMP = FALSE;
        }

        // Set the Current BMP with the Temp
        pBmp = pTemp;
    }

    // Finished with everything so make sure the list is totally empty!
    while(!m_p24BitCopyNames.IsEmpty())
    {
        m_p24BitCopyNames.RemoveHead();
    }
}

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

>   BOOL BfxPlugInDlg::OriginalChanged()

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    14/12/94
    Inputs:     None
    Outputs:    None
    Returns:    TRUE if succeeded, FALSE & error set if not
    Purpose:    Invalidates area for original bitmap, marks no destination as yet
    Errors:     None at present
    SeeAlso:    -

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

BOOL BfxPlugInDlg::OriginalChanged()
{
    if (pPrevOriginal==pOriginal) return TRUE;
    pPrevOriginal=pOriginal;

    if (!pOrigInfo)
    {
        pOrigInfo = new BitmapInfo;
        if (!pOrigInfo) return FALSE; // error already set.
    }

    pOrigInfo->PixelWidth = 100;
    pOrigInfo->PixelHeight = 100;
    pOrigInfo->PixelDepth = 24;
    if (pOriginal && pOrigInfo) // Should always be true
    {
        pOriginal->ActualBitmap->GetInfo(pOrigInfo);
    }

    if (SetDirty() && (OpenPage != 0))
    {
        InvalidateGadget(_R(IDC_BFXDLG_ORIGREDRAW));
    }

    BROADCAST_TO_CLASS(DialogMsg(WindowID, DIM_OUT_OF_SPACE, _R(IDC_BFXDLG_ORIGREDRAW),
                       0, OpenPage) ,DialogOp);  // Pretty horrible bodge

    return FixOriginalComboBox();
}

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

>   BOOL BfxPlugInDlg::SetEffect(CCRuntimeClass * Effect)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    14/12/94
    Inputs:     Effect = runtime class of effect to be used, or none.
    Outputs:    None
    Returns:    TRUE if succeeded, FALSE & error set if not
    Purpose:    Choses the bitmap effect for processing
    Errors:     None at present
    SeeAlso:    -

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

BOOL BfxPlugInDlg::SetEffect(CCRuntimeClass * Effect)
{
    if (pFX)
    {
        if (pFX->GetRuntimeClass() == Effect) return TRUE;
        delete pFX;
        pFX = NULL;
    }
    if (Effect)
    {
        pFX = (AccusoftBitmapEffect *) (Effect->CreateObject());
        if (!pFX) return FALSE;
        return pFX->SetParameters(Param1, Param2, Param3, Matrix);
    }
    else return TRUE;
}

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

>   BOOL BfxPlugInDlg::SetDirty(BOOL Redraw=TRUE)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    14/12/94
    Inputs:     None
    Outputs:    None
    Returns:    TRUE if succeeded, FALSE & error set if not
    Purpose:    Clears the clean flag and deletes the effect
    Errors:     None at present
    SeeAlso:    -

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

BOOL BfxPlugInDlg::SetDirty(BOOL Redraw)
{
    if (!ClearDestination(Redraw)) return FALSE;
    Clean = FALSE;
    if (pFX)
    {
        delete pFX;
        pFX = NULL;
    }
    return TRUE;
}

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

>   BOOL BfxPlugInDlg::DestinationChanged()

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    14/12/94
    Inputs:     None
    Outputs:    None
    Returns:    TRUE if succeeded, FALSE & error set if not
    Purpose:    Invalidates area for destination bitmap, marks no destination as yet
    Errors:     None at present
    SeeAlso:    -

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

BOOL BfxPlugInDlg::DestinationChanged()
{
    if (OpenPage)
    {
        InvalidateGadget(_R(IDC_BFXDLG_ORIGREDRAW2));
    }
    return TRUE;
}

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

>   BOOL BfxPlugInDlg::ClearDestination(BOOL Redraw=TRUE)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    14/12/94
    Inputs:     None
    Outputs:    None
    Returns:    TRUE if succeeded, FALSE & error set if not
    Purpose:    Marks no dest bitmap
    Errors:     None at present
    SeeAlso:    -

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

BOOL BfxPlugInDlg::ClearDestination(BOOL Redraw)
{
    if (pDestination)
    {
        delete pDestination;
        pDestination = NULL; //TRACEUSER( "Neville", _T("ClearDestination deleting dest\n"));
        return ((!Redraw) || (DestinationChanged()));
    }
    return TRUE;
}

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

>   BOOL BfxPlugInDlg::FindBitmap()

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    14/12/94
    Inputs:     None
    Outputs:    pOriginal set
    Returns:    TRUE if succeeded, FALSE & error set if not
    Purpose:    Set pOriginal to point at a bitmap
    Errors:     None at present
    SeeAlso:    -

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

BOOL BfxPlugInDlg::FindBitmap()
{
//  pOriginal = NULL;

    // Check if the dialog is being invoked via a parameter (eg. from the Bitmap Gallery).
    if (m_pParam != 0)
    {
        pOriginal = (KernelBitmap*) m_pParam->Param1;
        return CheckOriginalBitmap();
    }

    Range Sel(*(GetApplication()->FindSelection()));
    Node* FirstSelectedNode = Sel.FindFirst(); 
    if (FirstSelectedNode != NULL) // No nodes selected so End
    {
        Node* CurrentNode = FirstSelectedNode;       
        Node* NextCurrent; 
        
        // Do all bitmaps. OK this should pick up the fill as well. Never mind
        while (CurrentNode != NULL)
        {
            NextCurrent = Sel.FindNext(CurrentNode);
            if  (CurrentNode->IsSelected() &&
                 CurrentNode->GetRuntimeClass() == CC_RUNTIME_CLASS(NodeBitmap)) 
            {         
                pOriginal = ((NodeBitmap *)(CurrentNode))->GetBitmap();
                return CheckOriginalBitmap();
            }

            CurrentNode = NextCurrent; 
        }
    } 

    // Find the first Fill Attribute in the selection
    AttrFillGeometry* pAttrNode = AttrFillGeometry::FindFirstSelectedAttr();

    while (pAttrNode != NULL)
    {
        if (pAttrNode->IsKindOf(CC_RUNTIME_CLASS(AttrBitmapColourFill)))
        {
            pOriginal = pAttrNode->GetBitmap();
            return CheckOriginalBitmap();
        }

        // Check the next fill
        pAttrNode = AttrFillGeometry::FindNextSelectedAttr();
    }

    return CheckOriginalBitmap();
}

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

>   BOOL BfxPlugInDlg::CheckOriginalBitmap()

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    14/12/94
    Inputs:     None
    Outputs:    pOriginal set
    Returns:    TRUE if succeeded, FALSE & error set if not
    Purpose:    Ensures pOriginal points to a valid bitmap in this document
    Errors:     None at present
    SeeAlso:    -


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

BOOL BfxPlugInDlg::CheckOriginalBitmap()
{
    Document * pDoc = Document::GetSelected();

    // Get the bitmap list
    BitmapList* Bitmaps = NULL;
    if (pDoc) Bitmaps = pDoc->GetBitmapList();

    if (Bitmaps == NULL)
    {
        pOriginal = NULL;
        return OriginalChanged();
    }

    KernelBitmap * pBmp = NULL;

    if(pOriginal != NULL)
    {
        // Check to see if the Bitmap we`re operating on is 32Bit!
        if(pOriginal->ActualBitmap->GetBitmapInfoHeader()->biBitCount == 32)
        {
            // First check to see if we`ve already got a 24bit copy of the 32bit BMP!
            BOOL AlreadyHaveCopy = FALSE;
            
            // Get first bitmap in the bitmap list
            pBmp = (KernelBitmap *)(Bitmaps->GetHead());

            // While the BMP is valid do the conversion!
            while (pBmp != NULL)
            {
                // check to see if this bitmap has already been converted!
                String_256 strTemp = pOriginal->GetName();
                strTemp += TEXT("(24-bit Copy)");
                if (pBmp->GetName().CompareTo(strTemp) == 0)
                {
                    // Has been converted so set the flag and break out of the while loop!
                    AlreadyHaveCopy = TRUE;
                    break;
                }
                // Get the next bitmap in the list
                pBmp = (KernelBitmap *) Bitmaps->GetNext(pBmp);
            }

            // If the flag has been set then use the converted bitmap that`s already there!
            if(AlreadyHaveCopy)
            {
                InformWarning(_R(IDS_BFX_USE_CONVERT_MSG),_R(IDS_OK),0,0,0,1,2);
                pOriginal = pBmp;
            }
            else
            {
                // Ask the user wether or not they want to use a 24bit copy of the BMP or use the Default Bitmap?
                InformWarning(_R(IDS_BFX_BMP_CONVERT_MSG),_R(IDS_OK),0,0,0,1,2);

                // Setup a new name to give converted 32Bit BMPs
                String_256 NewName = pOriginal->GetName();
                NewName += "(24-bit Copy)";

                // Add the name to our copy name list
                m_p24BitCopyNames.AddTail(NewName);

                // We need to convert the 32Bit to 24Bit, so setup a new Kernel Bitmap!
                UINT32 Height = pOriginal->GetBitmapInfoHeader()->biHeight;
                UINT32 Width = pOriginal->GetBitmapInfoHeader()->biWidth;
                KernelBitmap* pNewBMP = new KernelBitmap( Width, Height, 24, 96);

                if(pNewBMP != NULL)
                {
                    // We need to convert it to 24Bit
                    pNewBMP->ActualBitmap = CBMPBits::RenderKernelBMPToTransparentWhiteRect(pOriginal,TRUE,24);
                
                    // Set the new Bitmap name!
                    pNewBMP->SetName(NewName);

                    // Make the Original Bitmap = to the new Bitmap!
                    pOriginal = pNewBMP;

                    // Attach the bitmap to the Bitmap List!
                    pNewBMP->Attach(Document::GetCurrent()->GetBitmapList());
                }
                else
                {
                    ERROR2(FALSE,"Could not make 24Bit Bitmap Copy Of 32Bit Source!");
                }
            }

            FixOriginalComboBox();
            return OriginalChanged();
        }
    }

    pBmp = (KernelBitmap *)(Bitmaps->GetHead());

    while (pBmp != NULL)
    {
        if (pBmp == pOriginal) return OriginalChanged(); // OK we've found it.
        pBmp = (KernelBitmap *) Bitmaps->GetNext(pBmp);
    }

    pOriginal = (KernelBitmap *)(Bitmaps->GetHead()); // possibly NULL but certainly on the list
    return OriginalChanged();
}

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

>   BOOL BfxPlugInDlg::FixOriginalComboBox()

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    14/12/94
    Inputs:     None
    Outputs:    None
    Returns:    TRUE if succeeded, FALSE & error set if not
    Purpose:    Makes the combo box reflect the bitmaps within the document
    Errors:     None at present
    SeeAlso:    -

This routine is heavilly copied from one within the fill tool

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

BOOL BfxPlugInDlg::FixOriginalComboBox()
{
    // Find the doccomponent with the list of bitmaps in it
    Document * pDoc = Document::GetSelected();

    // Get the bitmap list
    BitmapList* Bitmaps = NULL;
    if (pDoc) Bitmaps = pDoc->GetBitmapList();

    if (Bitmaps == NULL)
        return TRUE;

    String_256 Str;

    if (OpenPage)
    {
        DeleteAllValues(_R(IDC_BFXDLG_ORIGCOMBO));
    }

    BOOL DoneMain = FALSE;
    INT32 SelIndex = 0;

    // need a pointer of type CustomComboBoxControlDataItem to insert items into
    // a custom combobox ....
    CustomComboBoxControlDataItem* theItem = NULL;

    if (Bitmaps->GetCount() > 0)
    {
        INT32 Index = 0;

        ListItem* pBmp = Bitmaps->GetHead();

        while (pBmp != NULL)
        {
            /*Str = ((KernelBitmap*)pBmp)->ActualBitmap->GetName();
            if (OpenPage)
            {
                if (((KernelBitmap*)(pBmp)) == pOriginal)
                {
                    SetStringGadgetValue(_R(IDC_BFXDLG_ORIGCOMBO),&Str, FALSE, -1);
                    DoneMain = TRUE;
                    SelIndex=Index;
                }
                SetStringGadgetValue(_R(IDC_BFXDLG_ORIGCOMBO),&Str,FALSE, Index++);
            }*/

            if (OpenPage)
            {
                if (!((KernelBitmap*)pBmp)->HasBeenDeleted())   // Ignore deleted bitmaps
                {
                    Str = ((KernelBitmap*)pBmp)->ActualBitmap->GetName();
                    // for the standard combobox - the following line sufficed
    //              SetStringGadgetValue(_R(IDC_EFFECT),&Str,FALSE, Index);

                    // but for a custom combobox we have to do a lot more work ....
                
                    theItem = new CustomComboBoxControlDataItem ();
                    theItem->itemName = Str;
                    theItem->itemID = Index;

                    KernelBitmap* bitmap = ((KernelBitmap*)pBmp);

                    // make the custom combobox know about our bitmap ....
                    theItem->oilItemBitmap = (KernelBitmap*) bitmap;

                    // and insert the data item into the cutsom combobox ....
                    
                    if (((KernelBitmap*)(pBmp)) == pOriginal)
                    {
                        SetCustomComboGadgetValue ( _R(IDC_BFXDLG_ORIGCOMBO), theItem, TRUE, 0);
                        
                        String_64 Str;
                        Str = ((KernelBitmap*)(pBmp))->GetName ();
                        
                        // call custom controls interface ....
                        SelectCustomComboGadgetValueOnString (_R(IDC_BFXDLG_ORIGCOMBO), &Str);
                        
                        //SetCustomComboGadgetValue(_R(IDC_BFXDLG_ORIGCOMBO),&Str, FALSE, -1);
                        DoneMain = TRUE;
                        SelIndex=Index;

                        Index++;
                    }
                    else
                    {
                        SetCustomComboGadgetValue ( _R(IDC_BFXDLG_ORIGCOMBO), theItem, TRUE, 0);
                        Index++;
                    }
                }
            }

            pBmp = Bitmaps->GetNext(pBmp);
        }
    }
    else
    {
        /*Str.Load(_R(IDS_K_BFXDLG_DEFAULT));
        if (OpenPage) SetStringGadgetValue(_R(IDC_BFXDLG_ORIGCOMBO),&Str,TRUE, 0);*/
    }

    if (OpenPage)
    {
        Str.Load(_R(IDS_K_BFXDLG_DEFAULT));
        //SetComboListLength(_R(IDC_BFXDLG_ORIGCOMBO));
        if (!DoneMain)
        {
            // call custom controls interface ....
            SelectCustomComboGadgetValueOnString (_R(IDC_BFXDLG_ORIGCOMBO), &Str);
            
            //SetStringGadgetValue(_R(IDC_BFXDLG_ORIGCOMBO),&Str, FALSE, -1);
            //SetSelectedValueIndex(_R(IDC_BFXDLG_ORIGCOMBO), 0);
        }
        /*else
        {
            SetSelectedValueIndex(_R(IDC_BFXDLG_ORIGCOMBO), SelIndex);
        }*/
    }
    return TRUE;
}


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

>   BOOL BfxPlugInDlg::ReadOriginalComboBox()

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    14/12/94
    Inputs:     None
    Outputs:    None
    Returns:    TRUE if succeeded, FALSE & error set if not
    Purpose:    Chooses a different bitmap from the combo box
    Errors:     None at present
    SeeAlso:    -

This routine is heavilly copied from one within the fill tool

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

BOOL BfxPlugInDlg::ReadOriginalComboBox()
{
    if (!OpenPage) return FALSE;

    Document * pDoc = Document::GetSelected();

    // Get the bitmap list
    BitmapList* Bitmaps = NULL;
    if (pDoc) Bitmaps = pDoc->GetBitmapList();

    if (Bitmaps == NULL)
        return TRUE;

    ListItem* pBmp = Bitmaps->GetHead();

    WORD Index;
    GetValueIndex(_R(IDC_BFXDLG_ORIGCOMBO),&Index); 

    for (INT32 i = 0; i < Index; i++)
    {
        if (pBmp == NULL)
            break;

        pBmp = Bitmaps->GetNext(pBmp);
    }

    pOriginal = (KernelBitmap*)pBmp; // Might be NULL (conceivably)
    return CheckOriginalBitmap();
}

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

>   BOOL BfxPlugInDlg::RenderBitmap(ReDrawInfoType* ExtraInfo, KernelBitmap * BitmapToUse)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    20/02/95
    Inputs:     ExtraInfo - The structure that has the extra data we need to start rendering
                BitmapToUse - The bitmap to render
    Outputs:    None
    Returns:    TRUE if succeeded, FALSE & error set if not
    Purpose:    Fills a renderable control with a bitmap
    Errors:     None at present
    SeeAlso:    -

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

BOOL BfxPlugInDlg::RenderBitmap(ReDrawInfoType* ExtraInfo, KernelBitmap * BitmapToUse)
{
    // Go get a render region
    DocRect VirtualSize(0, 0, ExtraInfo->dx, ExtraInfo->dy);
    RenderRegion* pRender = CreateGRenderRegion(&VirtualSize, ExtraInfo);
    if (pRender!=NULL)
    {
        pRender->m_DoCompression = TRUE;

        DialogColourInfo RedrawColours;     // Get a supplier for default dlg colours

        // A Grey colour [...hmmm, it's not a very grey grey any more... oragnge more like]
        DocColour Grey(255,200,0);

        // Render the attributes and the a rectangle
        pRender->SaveContext();
        pRender->SetLineColour(COLOUR_TRANS);

            // Draw a rectangle to fill in the background - Fill with Dialogue Background colour
        pRender->SetFillColour(RedrawColours.DialogBack());
        pRender->DrawRect(&VirtualSize);
    
        if (BitmapToUse)
        {

            NodeBitmap NB;
            NodeBitmap * pNodeBitmap = &NB;
        
            if (!((pNodeBitmap == NULL) || (!pNodeBitmap->SetUpPath(12,12))))
            {
                // Get a new bitmap object for this node.
                pNodeBitmap->GetBitmapRef()->SetBitmap(BitmapToUse);
                        
                ENSURE(pNodeBitmap->GetBitmap()->ActualBitmap != NULL, "No bitmap object found!");
        
                DocRect BitmapSize(VirtualSize);
                BitmapInfo BMInfo;
                BitmapToUse->ActualBitmap->GetInfo(&BMInfo);
                if (BMInfo.PixelWidth==0) BMInfo.PixelWidth=1;
                if (BMInfo.PixelHeight==0) BMInfo.PixelHeight=1;

                double BMAspect = ((double)(BMInfo.PixelWidth))/((double)(BMInfo.PixelHeight));
                double RedrawAspect = ((double)(ExtraInfo->dx))/((double)(ExtraInfo->dy));

                if (BMAspect>RedrawAspect)
                {
                    // grey at top and bottom
                    INT32 NewHeight = (INT32)( 0.5 + ((double)(VirtualSize.Width()))/BMAspect);
                    if (NewHeight<1) NewHeight = 1;
                    BitmapSize.loy = (VirtualSize.Height()-NewHeight)/2;
                    BitmapSize.hiy = BitmapSize.loy + NewHeight;
                }
                else
                {
                    // grey on left and right
                    INT32 NewWidth = (INT32)( 0.5 + ((double)(VirtualSize.Height()))*BMAspect);
                    if (NewWidth<1) NewWidth = 1;
                    BitmapSize.lox = (VirtualSize.Width()-NewWidth)/2;
                    BitmapSize.hix = BitmapSize.lox + NewWidth;
                }

                // And set this in our bitmap node
                pNodeBitmap->CreateShape(BitmapSize);
                    
                pNodeBitmap->Render(pRender);
            }
        }

        pRender->RestoreContext();

        // Get rid of the render region
        DestroyGRenderRegion(pRender);
    }
    return TRUE;
}

/********************************************************************************************
>   MsgResult BfxPlugInDlg::Message( Msg* Message)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    20/02/95
    Inputs:     Message: The message 

    
    Returns:    OK            Message handled ok (return this even if you don't need to 
                              respond to the message). 

                FAIL          Something terrible happened whilst processing the message
                              eg. we ran out of memory. You must set ERROR if you
                              are returning this value. 

                EAT_MSG       The Message was handled ok but don't send it to any
                              more MessageHandlers. 

    Purpose:    This is the message handler for the BfxPlugInDlg
     
********************************************************************************************/


MsgResult BfxPlugInDlg::Message( Msg* Message)
{
    if (IS_OUR_DIALOG_MSG(Message))
    {
        DialogMsg* Msg = ((DialogMsg*) Message); 
        
        BOOL EndDialog = FALSE;     // TRUE if we should quit the dialog
        BOOL CommitValues = FALSE;  // TRUE if we should commit the dialog values

        // Determine from what page the message originated
        if (OpenPage) switch (OpenPage)
        {
            case _R(IDD_BFXPLUGINDLG_PG1):
                HandleFlipAndRotateMsg(Msg, &CommitValues, &EndDialog); 
                break;
            case _R(IDD_BFXPLUGINDLG_PG2):
                HandleResizeMsg(Msg, &CommitValues, &EndDialog); 
                break;
            case _R(IDD_BFXPLUGINDLG_PG3):
                HandleBrightnessAndContrastMsg(Msg, &CommitValues, &EndDialog); 
                break;
            case _R(IDD_BFXPLUGINDLG_PG4):
                HandleDitherMsg(Msg, &CommitValues, &EndDialog); 
                break;
            case _R(IDD_BFXPLUGINDLG_PG5):
                HandleSpecialEffectsMsg(Msg, &CommitValues, &EndDialog); 
                break;
            case _R(IDD_BFXPLUGINDLG_PG6):
                HandleAlchemistMsg(Msg, &CommitValues, &EndDialog); 
                break;
            default:
                ERROR3("Message from unknown tab dialog page"); 
        }

        switch (Msg->DlgMsg)
        {
            case DIM_CREATE:
                pOriginal=NULL;
                FindBitmap();
                FixOriginalComboBox();
                SetDirty();
                break;
            
            case DIM_COMMIT:        // Want to commit and quit
                EndDialog = TRUE;
                CommitValues = TRUE; 
                break;

            case DIM_SOFT_COMMIT:   // Want to commit
                CommitValues = TRUE; 
                break; 

            case DIM_CANCEL:        // Want to quit
                if (!(IsCustomComboDropdownVisible (_R(IDC_BFXDLG_ORIGCOMBO))))
                {
                    EndDialog = TRUE;
                }
                else
                {
                    CloseDropdown (_R(IDC_BFXDLG_ORIGCOMBO), FALSE);
                }
                break;

        // These are common to all pages, and get passed on to the pages themselves
            case DIM_SET_ACTIVE:
                CheckOriginalBitmap();
                FixOriginalComboBox();
                SetDirty();
                break;

            case DIM_REDRAW :
                // This is where all the redrawing is done
                // Which control in the window is sending the redraw message (if there are many
                // grdraw controls you can tell which is which from the Gadget ID
                switch (Msg->GadgetID)
                {
                    // Draw the redraw_me control in here
                    case _R(IDC_BFXDLG_ORIGREDRAW) :
                    {
                        RenderBitmap((ReDrawInfoType*) Msg->DlgMsgParam, pOriginal);
                        break;
                    }
                    case _R(IDC_BFXDLG_ORIGREDRAW2) :
                    {
                        RenderBitmap((ReDrawInfoType*) Msg->DlgMsgParam, pDestination);
                        break;
                    }
                }
                break;
            
            case DIM_SELECTION_CHANGED:
                switch (Msg->GadgetID)
                {
                    // Draw the redraw_me control in here
                    case _R(IDC_BFXDLG_ORIGCOMBO) :
                    {
                        ReadOriginalComboBox();
                        break;
                    }
                }
                break;                                                 
        }

        // Commit values here
        if (CommitValues)
        {
            if (pOriginal)
            {
                if (pFX)
                {
                    if (!Clean)
                    {
                        // Check to see if we`re exiting without doing anything to a converted 32bit BMP
                /*      if(Msg->DlgMsg == DIM_COMMIT && m_UseInitial)
                        {
                            // Right, we`ve got to rename it or the Destructor will delete it!
                            // Get The Current Name and then chop off the "(Copy)"
                            StringBase Current;
                            Current.Alloc(256);
                            pOriginal->GetName().Left(&Current,pOriginal->GetName().Length() - 13);
                            String_256 NewName = (TCHAR*)Current;

                            // Set the name with the new string! Now there should be two bitmaps with the
                            // same name, but one will be 32bit and the other this 24bit copy!
                            pOriginal->SetName(NewName);
                        }

                    */
                        ClearDestination();

                        // Bodge to avoid progress bar on interactive B&C
/*                      if (Msg->DlgMsg==DIM_COMMIT || Msg->DlgMsg==DIM_SOFT_COMMIT)
                        {
                            BeginSlowJob(100, FALSE, &String_64(_R(IDS_BFXDLG_PROCESSING)));
                            ContinueSlowJob();
                        }
*/                      
                        BeginSlowJob();
                        BeginBusyCursor();
                        
                        pFX->SetParameters(Param1, Param2, Param3, Matrix);
                        pDestination = pFX->GetProcessedBitmap(pOriginal);

/*                      if (Msg->DlgMsg==DIM_COMMIT || Msg->DlgMsg==DIM_SOFT_COMMIT)
                        {
                            ContinueSlowJob(99);
                            EndSlowJob();
                        }
*/                      
                        EndBusyCursor();
                        EndSlowJob();
                        
                        if (!pDestination)  
                        {
                            InformError ();
                            EndDialog = FALSE;          // an error occured - we don't want to close the dialog!
                        }
                        else
                        {
                            DestinationChanged();
                            Clean=TRUE;
                        }
                    }
                }
                else
                {
                    TRACEUSER( "Neville", _T("Wierd - he didn't actually ask for an effect..."));
                    // Check to see if we`re exiting without doing anything to a converted 32bit BMP
                    if(Msg->DlgMsg == DIM_COMMIT && m_UseInitial)
                    {
                        // Right, we`ve got to rename it or the Destructor will delete it!
                        // Get The Current Name and then chop off the "(Copy)"
                        StringBase Current;
                        Current.Alloc(256);
                        pOriginal->GetName().Left(&Current,pOriginal->GetName().Length() - 13);
                        String_256 NewName = (TCHAR*)Current;

                        // Set the name with the new string! Now there should be two bitmaps with the
                        // same name, but one will be 32bit and the other this 24bit copy!
                        pOriginal->SetName(NewName);
                    }
                }
            }
        }

        // End dialog here
        if (EndDialog)  // Dialog communication over 
        {   
            // **** Warning ****
            // This assumes that the dialog box is modal and so the OpParam is still around
            // rather than having been deleted 
            if (m_pParam != NULL)
            {
                // return the ok/cancel state to the caller
                if (m_pParam->Output != NULL)
                    *(m_pParam->Output) = CommitValues;
                // return a default of a null bitmap to the caller
                m_pParam->Param1 = NULL;
            }

            if (pOriginal != NULL && CommitValues && pDestination != NULL)
            {
                OpenPage = 0;
                //TalkToPage(0);

                // The bitmap created is a temp bitmap, so we need to add it properly to the system.
                // So we'll extract the OILBitmap (which will delete the KBmp),
                // and create a 'proper' kbmp to attach to the node
                OILBitmap * pDestWinBitmap = pDestination->ExtractOILBitmap();

                // See if this matches an existing bitmap, otherwise this will create a new kernel
                // bitmap for us.
                KernelBitmap * pDestBitmap = NULL;
                BitmapList * pBmpList = NULL;
                // The bitmap system relies on the Current Doc being correct,
                // so we'll set it to be on the safe side
                BOOL IsNew = TRUE;
                if (m_pDocument)
                {
                    m_pDocument->SetCurrent();
                    //pDestBitmap = KernelBitmap::MakeKernelBitmap(pDestWinBitmap, m_pDocument);
                    pDestBitmap = KernelBitmap::TryAndUseExistingBitmap(pDestWinBitmap, m_pDocument, &IsNew);
                    pBmpList = m_pDocument->GetBitmapList();
                    ERROR3IF(pBmpList == NULL,"No document bitmap ref found!");
                }

                // Try and add it to the list of bitmaps already present in this document
                if (pDestBitmap != NULL && pBmpList != NULL)
                {
                    // and then attach the bitmap
                    pDestBitmap->Attach(pBmpList);
                    
                    // remove this pointer so that the new bitmap does not get deleted
                    // pDestBitmap is more than likely equal to pDestination
                    //if (!IsNew) This always seems to be true
                    pDestination = NULL;

                    // tell everybody about the new bitmap in the system
                    BROADCAST_TO_ALL(BitmapListChangedMsg(pBmpList, pDestBitmap)); 

                    // return the output bitmap to the caller
                    if (m_pParam)
                        m_pParam->Param1 = (INT32)pDestBitmap;
                }
                else
                    ERROR3("Couldn't add bitmap into system");
            }

            ClearDestination();

            Close();           
//          TRACEUSER( "Neville", _T("Calling End()\n"));
            End();      // End of dialog 
        }
        //return (DLG_EAT_IF_HUNGRY(Msg));   // I return EAT_MSG unless the message needs to be sent to all dialogs 
    } else if (MESSAGE_IS_A(Message, SelChangingMsg))       // Selection changed - use new bitmap
    {
        //if (OpenPage) TalkToPage(OpenPage);
        SelChangingMsg *Msg = (SelChangingMsg *) Message;
        switch ( Msg->State )
        {
            case SelChangingMsg::SelectionState::SELECTIONCHANGED:
            case SelChangingMsg::SelectionState::NODECHANGED:
//              pOriginal=NULL;
                FindBitmap();
                break;
        }
    } else if (MESSAGE_IS_A(Message, BitmapListChangedMsg))     // Selection changed - use new bitmap
    {
        //if (OpenPage) TalkToPage(OpenPage);
        CheckOriginalBitmap();
        FixOriginalComboBox();
    } else if (MESSAGE_IS_A(Message, BfxMsg))
    {
        //if (OpenPage) TalkToPage(OpenPage);
        pOriginal=((BfxMsg*)(Message))->pBitmap;
        CheckOriginalBitmap();
    }

    return DialogOp::Message(Message);
} 



// -----------------------------------------------------------------------------------------
// Message handlers for individual pages

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

>   void BfxPlugInDlg::HandleFlipAndRotateMsg(DialogMsg* Msg, BOOL *pCommitValues, BOOL *pEndDialog)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    20/02/95
    Inputs:     Msg: The message sent from page 1 of the dialog
    Outputs:    -
    Returns:    -
    Purpose:    All messages generated from the tabbed dialog's page 1 get processed here
    Errors:     -
    Scope:      private
    SeeAlso:    BfxPlugInDlg::Message

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


void BfxPlugInDlg::HandleFlipAndRotateMsg(DialogMsg* Msg, BOOL *pCommitValues, BOOL *pEndDialog)
{
    //TalkToPage(_R(IDD_BFXPLUGINDLG_PG1));  // The Coords Page identifier
    switch(Msg->DlgMsg)
    {
        case DIM_CREATE:
            SetLongGadgetValue(_R(IDC_BFXDLG_FLIPX), TRUE); 
            SetLongGadgetValue(_R(IDC_BFXDLG_FLIPY), FALSE); 
            SetLongGadgetValue(_R(IDC_BFXDLG_ROTATE90), FALSE); 
            SetLongGadgetValue(_R(IDC_BFXDLG_ROTATE180), FALSE); 
            SetLongGadgetValue(_R(IDC_BFXDLG_ROTATE270), FALSE); 
            break;

        case DIM_LFT_BN_CLICKED:
        case DIM_SELECTION_CHANGED:
            {
                m_UseInitial = FALSE;
                switch (Msg->GadgetID)
                {
                    case _R(IDC_BFXDLG_FLIPX):
                    case _R(IDC_BFXDLG_FLIPY):
                    case _R(IDC_BFXDLG_ROTATE90):
                    case _R(IDC_BFXDLG_ROTATE180):
                    case _R(IDC_BFXDLG_ROTATE270):
                        SetDirty();
                        break;
                    default:
                        break;
                }
            }
//          break;
            *pCommitValues = TRUE;

        case DIM_SOFT_COMMIT:
        case DIM_COMMIT:
            {
                if (GetBoolGadgetSelected(_R(IDC_BFXDLG_FLIPX))) SetEffect(CC_RUNTIME_CLASS(ABFXFlipX));
                if (GetBoolGadgetSelected(_R(IDC_BFXDLG_FLIPY))) SetEffect(CC_RUNTIME_CLASS(ABFXFlipY));
                if (GetBoolGadgetSelected(_R(IDC_BFXDLG_ROTATE90) )) SetEffect(CC_RUNTIME_CLASS(ABFXRotate90 ));
                if (GetBoolGadgetSelected(_R(IDC_BFXDLG_ROTATE180))) SetEffect(CC_RUNTIME_CLASS(ABFXRotate180));
                if (GetBoolGadgetSelected(_R(IDC_BFXDLG_ROTATE270))) SetEffect(CC_RUNTIME_CLASS(ABFXRotate270));
            }
            break;

    }
}

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

>   void BfxPlugInDlg::HandleResizeMsg(DialogMsg* Msg, BOOL *pCommitValues, BOOL *pEndDialog)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    20/02/95
    Inputs:     Msg: The message sent from page 1 of the dialog
    Outputs:    -
    Returns:    -
    Purpose:    All messages generated from the tabbed dialog's page 1 get processed here
    Errors:     -
    Scope:      private
    SeeAlso:    BfxPlugInDlg::Message

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


void BfxPlugInDlg::HandleResizeMsg(DialogMsg* Msg, BOOL *pCommitValues, BOOL *pEndDialog)
{
    static BOOL ReEntered = FALSE;
    BOOL RescanSize = FALSE;
    //TalkToPage(_R(IDD_BFXPLUGINDLG_PG2));  // The Coords Page identifier
    switch(Msg->DlgMsg)
    {
        case DIM_SET_ACTIVE:
            ReEntered = FALSE; // Just in case we get out of sync
            break;

        case DIM_CREATE:
            FindBitmap();
            SetLongGadgetValue(_R(IDC_BFXDLG_INTERP), TRUE); 
            SetLongGadgetValue(_R(IDC_BFXDLG_ASPECT), TRUE); 
            RescanSize=TRUE;

            // Disable this to begin with, until a new and different size is entered.
            EnableGadget(_R(ID_APPLY_NOW), FALSE);
            break;

        case DIM_OUT_OF_SPACE: // BODGE!!
            if (Msg->GadgetID == _R(IDC_BFXDLG_ORIGREDRAW))
                RescanSize=TRUE;
            break;

        case DIM_SELECTION_CHANGED:
        case DIM_SLIDER_POS_SET:
        //case DIM_SLIDER_POS_CHANGING:
        case DIM_LFT_BN_CLICKED:
        case DIM_TEXT_CHANGED:             // Text changed 
        {
            m_UseInitial = FALSE;
            SetDirty();
            INT32 NewX = GetLongGadgetValue(_R(IDC_BFXDLG_NEWXSIZE),0,10000000);
            INT32 NewY = GetLongGadgetValue(_R(IDC_BFXDLG_NEWYSIZE),0,10000000);
            EnableGadget(_R(ID_APPLY_NOW),
                            NewX != (INT32) pOrigInfo->PixelWidth || NewY != (INT32) pOrigInfo->PixelHeight);

            if ((GetLongGadgetValue(_R(IDC_BFXDLG_ASPECT),0,1)!=0) && !ReEntered)
            {
                switch (Msg->GadgetID)
                {
                    case _R(IDC_BFXDLG_NEWXSIZE):
                        if (pOrigInfo->PixelWidth)
                        {
                            ReEntered = TRUE;
                            SetLongGadgetValue(_R(IDC_BFXDLG_NEWYSIZE), (INT32)(0.5+ (
                                ((double)(pOrigInfo->PixelHeight))/((double)(pOrigInfo->PixelWidth))*((double)(NewX)) )));
                            ReEntered = FALSE;
                        }
                        break;
                
                    case _R(IDC_BFXDLG_NEWYSIZE):
                        if (pOrigInfo->PixelHeight)
                        {
                            ReEntered = TRUE;
                            SetLongGadgetValue(_R(IDC_BFXDLG_NEWXSIZE), (INT32)(0.5+ (
                                ((double)(pOrigInfo->PixelWidth))/((double)(pOrigInfo->PixelHeight))*((double)(NewY)) )));
                            ReEntered = FALSE;
                        }
                        break;

                    default:
                        break;
                }
            }
            break;
        }
        case DIM_SOFT_COMMIT:
        case DIM_COMMIT:
            {
                SetEffect(CC_RUNTIME_CLASS(ABFXResize));
                INT32 NewX = GetLongGadgetValue(_R(IDC_BFXDLG_NEWXSIZE),0,10000000);
                INT32 NewY = GetLongGadgetValue(_R(IDC_BFXDLG_NEWYSIZE),0,10000000);
                if (NewX<2) NewX = 2;
                if (NewY<2) NewY = 2;
                SetParameters(NewX, NewY, (INT32)(BOOL)(GetLongGadgetValue(_R(IDC_BFXDLG_INTERP),0,1)!=0));
                }
            break;
    }

    if (RescanSize && pOrigInfo)
    {
        ReEntered = TRUE;
        SetLongGadgetValue(_R(IDC_BFXDLG_ORIGXSIZE), pOrigInfo->PixelWidth);
        SetLongGadgetValue(_R(IDC_BFXDLG_NEWXSIZE),  pOrigInfo->PixelWidth);
        SetLongGadgetValue(_R(IDC_BFXDLG_ORIGYSIZE), pOrigInfo->PixelHeight);
        SetLongGadgetValue(_R(IDC_BFXDLG_NEWYSIZE),  pOrigInfo->PixelHeight);
        ReEntered = FALSE;
    }
}
/********************************************************************************************

>   void BfxPlugInDlg::HandleBrightnessAndContrastMsg(DialogMsg* Msg, BOOL *pCommitValues, BOOL *pEndDialog)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    20/02/95
    Inputs:     Msg: The message sent from page 1 of the dialog
    Outputs:    -
    Returns:    -
    Purpose:    All messages generated from the tabbed dialog's page 1 get processed here
    Errors:     -
    Scope:      private
    SeeAlso:    BfxPlugInDlg::Message

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


void BfxPlugInDlg::HandleBrightnessAndContrastMsg(DialogMsg* Msg, BOOL *pCommitValues, BOOL *pEndDialog)
{
    //TalkToPage(_R(IDD_BFXPLUGINDLG_PG3));  // The Coords Page identifier
    switch(Msg->DlgMsg)
    {
        case DIM_CREATE:
            SetGadgetRange(_R(IDC_BFXDLG_BRIGHTNESS), -127, 127, 1);
            SetGadgetBitmaps(_R(IDC_BFXDLG_BRIGHTNESS), _R(IDB_SLIDERBASE), _R(IDB_SLIDERSLIDER));
            SetGadgetRange(_R(IDC_BFXDLG_CONTRAST), -127, 127, 1);
            SetGadgetBitmaps(_R(IDC_BFXDLG_CONTRAST), _R(IDB_SLIDERBASE), _R(IDB_SLIDERSLIDER));
            SetGadgetRange(_R(IDC_BFXDLG_COLOUR), -127, 127, 1);
            SetGadgetBitmaps(_R(IDC_BFXDLG_COLOUR), _R(IDB_SLIDERBASE), _R(IDB_SLIDERSLIDER));
            SetLongGadgetValue(_R(IDC_BFXDLG_BRIGHTNESS), 0); 
            SetLongGadgetValue(_R(IDC_BFXDLG_CONTRAST), 0); 
            SetLongGadgetValue(_R(IDC_BFXDLG_COLOUR), 0); 
            break;
//      case DIM_SLIDER_POS_SET:
//      case DIM_SLIDER_POS_IDLE:
        case DIM_LFT_BN_CLICKED:
        case DIM_SELECTION_CHANGED:
            {
                switch (Msg->GadgetID)
                {
                    case _R(IDC_BFXDLG_BRIGHTNESS):
                    case _R(IDC_BFXDLG_CONTRAST):
                    case _R(IDC_BFXDLG_COLOUR):
                        SetDirty();
                        break;
                    default:
                        break;
                }
            }
            break;

        case DIM_SLIDER_POS_SET:
        case DIM_SLIDER_POS_IDLE:
            m_UseInitial = FALSE;
        case DIM_SOFT_COMMIT:
        case DIM_COMMIT:
            {
                INT32 Brightness = -GetLongGadgetValue(_R(IDC_BFXDLG_BRIGHTNESS),-127,127);
                INT32 Contrast = -GetLongGadgetValue(_R(IDC_BFXDLG_CONTRAST),-127,127);
                INT32 Colour = -GetLongGadgetValue(_R(IDC_BFXDLG_COLOUR),-127,127);
                if (Msg->DlgMsg == DIM_SLIDER_POS_SET || Msg->DlgMsg == DIM_SLIDER_POS_IDLE)
                {
                    if (InteractiveBCC)
                    {                   
                        if ((!pFX) || (!pFX->IsKindOf(CC_RUNTIME_CLASS(ABFXBrightnessContrast))) ||
                            (Brightness!=Param1) || (Contrast!=Param2) || (Colour!=Param3))
                        {
                            *pCommitValues = TRUE;
                            *pEndDialog = FALSE;
                            SetDirty(FALSE); // no redraw right now
                        }
                        else break;
                    }
                    else
                    {
                        SetDirty();
                        break;
                    }
                }
                SetEffect(CC_RUNTIME_CLASS(ABFXBrightnessContrast));
                SetParameters(Brightness, Contrast, Colour);
            }
            break;

    }
}
/********************************************************************************************

>   void BfxPlugInDlg::HandleDitherMsg(DialogMsg* Msg, BOOL *pCommitValues, BOOL *pEndDialog)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    20/02/95
    Inputs:     Msg: The message sent from page 1 of the dialog
    Outputs:    -
    Returns:    -
    Purpose:    All messages generated from the tabbed dialog's page 1 get processed here
    Errors:     -
    Scope:      private
    SeeAlso:    BfxPlugInDlg::Message

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


void BfxPlugInDlg::HandleDitherMsg(DialogMsg* Msg, BOOL *pCommitValues, BOOL *pEndDialog)
{
    //TalkToPage(_R(IDD_BFXPLUGINDLG_PG4));  // The Coords Page identifier
    switch(Msg->DlgMsg)
    {
        case DIM_CREATE:
            SetLongGadgetValue(_R(IDC_BFXDLG_BAYERMONO), TRUE); 
            SetLongGadgetValue(_R(IDC_BFXDLG_HALFTONEMONO), FALSE); 
            SetLongGadgetValue(_R(IDC_BFXDLG_DIFFUSIONMONO), FALSE); 
            SetLongGadgetValue(_R(IDC_BFXDLG_BAYERCOLOUR), FALSE); 
            SetLongGadgetValue(_R(IDC_BFXDLG_DIFFUSIONCOLOUR), FALSE); 
            SetLongGadgetValue(_R(IDC_BFXDLG_POPULARITY), FALSE); 
            SetLongGadgetValue(_R(IDC_BFXDLG_MAKEGREYSCALE), FALSE); 
            SetLongGadgetValue(_R(IDC_BFXDLG_OCTREECOLOUR), FALSE); 
            
//EnableGadget(_R(IDC_BFXDLG_DIFFUSIONCOLOUR), FALSE); // Accusoft library crashes
//EnableGadget(_R(IDC_BFXDLG_OCTREECOLOUR), FALSE); // Accusoft library crashes

            //EnableGadget (_R(IDC_BFXDLG_ORIGCOMBO), TRUE);    // need to force custom control to redraw!
            
            break;

        case DIM_LFT_BN_CLICKED:
        case DIM_SELECTION_CHANGED:
            {
                m_UseInitial = FALSE;
                switch (Msg->GadgetID)
                {
                    case _R(IDC_BFXDLG_BAYERMONO):
                    case _R(IDC_BFXDLG_HALFTONEMONO):
                    case _R(IDC_BFXDLG_DIFFUSIONMONO):
                    case _R(IDC_BFXDLG_BAYERCOLOUR):
                    case _R(IDC_BFXDLG_DIFFUSIONCOLOUR):
                    case _R(IDC_BFXDLG_POPULARITY):
                    case _R(IDC_BFXDLG_MAKEGREYSCALE):
                    case _R(IDC_BFXDLG_OCTREECOLOUR):
                        SetDirty();
                        break;
                    default:
                        break;
                }
            }
//          break;
            *pCommitValues = TRUE;

        case DIM_SOFT_COMMIT:
        case DIM_COMMIT:
            {
                if (GetBoolGadgetSelected(_R(IDC_BFXDLG_BAYERMONO)      )) SetEffect(CC_RUNTIME_CLASS(ABFXBayerMono));
                if (GetBoolGadgetSelected(_R(IDC_BFXDLG_HALFTONEMONO)   )) SetEffect(CC_RUNTIME_CLASS(ABFXHalftoneMono));
                if (GetBoolGadgetSelected(_R(IDC_BFXDLG_DIFFUSIONMONO)  )) SetEffect(CC_RUNTIME_CLASS(ABFXDiffusionMono));
                if (GetBoolGadgetSelected(_R(IDC_BFXDLG_BAYERCOLOUR)    )) SetEffect(CC_RUNTIME_CLASS(ABFXBayerColour));
                if (GetBoolGadgetSelected(_R(IDC_BFXDLG_DIFFUSIONCOLOUR))) SetEffect(CC_RUNTIME_CLASS(ABFXDiffusionColour));
                if (GetBoolGadgetSelected(_R(IDC_BFXDLG_POPULARITY)     )) SetEffect(CC_RUNTIME_CLASS(ABFXPopularityColour));
                if (GetBoolGadgetSelected(_R(IDC_BFXDLG_MAKEGREYSCALE)  )) SetEffect(CC_RUNTIME_CLASS(ABFXMakeGreyscale));
                if (GetBoolGadgetSelected(_R(IDC_BFXDLG_OCTREECOLOUR)      )) SetEffect(CC_RUNTIME_CLASS(ABFXOctree));
            }
            break;

    }
}

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

>   void BfxPlugInDlg::HandleSpecialEffectsMsg(DialogMsg* Msg, BOOL *pCommitValues, BOOL *pEndDialog)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    20/02/95
    Inputs:     Msg: The message sent from page 1 of the dialog
    Outputs:    -
    Returns:    -
    Purpose:    All messages generated from the tabbed dialog's page 1 get processed here
    Errors:     -
    Scope:      private
    SeeAlso:    BfxPlugInDlg::Message

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


void BfxPlugInDlg::HandleSpecialEffectsMsg(DialogMsg* Msg, BOOL *pCommitValues, BOOL *pEndDialog)
{
    //TalkToPage(_R(IDD_BFXPLUGINDLG_PG5));  // The Coords Page identifier
    switch(Msg->DlgMsg)
    {
        case DIM_CREATE:
            {
                SetLongGadgetValue(_R(IDC_BFXDLG_EFFECTCOMBO), 0); 
                SetLongGadgetValue(_R(IDC_BFXDLG_CUSTOM1), (INT32)(Matrix[0]+0.5));
                SetLongGadgetValue(_R(IDC_BFXDLG_CUSTOM2), (INT32)(Matrix[1]+0.5));
                SetLongGadgetValue(_R(IDC_BFXDLG_CUSTOM3), (INT32)(Matrix[2]+0.5));
                SetLongGadgetValue(_R(IDC_BFXDLG_CUSTOM4), (INT32)(Matrix[3]+0.5));
                SetLongGadgetValue(_R(IDC_BFXDLG_CUSTOM5), (INT32)(Matrix[4]+0.5));
                SetLongGadgetValue(_R(IDC_BFXDLG_CUSTOM6), (INT32)(Matrix[5]+0.5));
                SetLongGadgetValue(_R(IDC_BFXDLG_CUSTOM7), (INT32)(Matrix[6]+0.5));
                SetLongGadgetValue(_R(IDC_BFXDLG_CUSTOM8), (INT32)(Matrix[7]+0.5));
                SetLongGadgetValue(_R(IDC_BFXDLG_CUSTOM9), (INT32)(Matrix[8]+0.5));
                SetGadgetRange(_R(IDC_BFXDLG_AMOUNT), 0, 127, 1);
                SetGadgetBitmaps(_R(IDC_BFXDLG_AMOUNT), _R(IDB_QUALITYBASE), _R(IDB_QUALITYSLIDER));
                SetLongGadgetValue(_R(IDC_BFXDLG_AMOUNT), 64); 

                DeleteAllValues(_R(IDC_BFXDLG_EFFECTCOMBO));

                String_256 Str0(_R(IDS_BFXDLG_EFFECTMENU0));
                String_256 Str1(_R(IDS_BFXDLG_EFFECTMENU1));
                String_256 Str2(_R(IDS_BFXDLG_EFFECTMENU2));
                String_256 Str3(_R(IDS_BFXDLG_EFFECTMENU3));
                String_256 Str4(_R(IDS_BFXDLG_EFFECTMENU4));
                String_256 Str5(_R(IDS_BFXDLG_EFFECTMENU5));
                String_256 Str6(_R(IDS_BFXDLG_EFFECTMENU6));
                String_256 Str7(_R(IDS_BFXDLG_EFFECTMENU7));
                String_256 Str8(_R(IDS_BFXDLG_EFFECTMENU8));
                String_256 Str9(_R(IDS_BFXDLG_EFFECTMENU9));
                String_256 Str10(_R(IDS_BFXDLG_EFFECTMENU10));
                String_256 Str11(_R(IDS_BFXDLG_EFFECTMENU11));
                String_256 Str12(_R(IDS_BFXDLG_EFFECTMENU12));
                String_256 Str13(_R(IDS_BFXDLG_EFFECTMENU13));
                String_256 Str14(_R(IDS_BFXDLG_EFFECTMENU14));
                String_256 Str15(_R(IDS_BFXDLG_EFFECTMENU15));
                String_256 Str16(_R(IDS_BFXDLG_EFFECTMENU16));
                String_256 Str17(_R(IDS_BFXDLG_EFFECTMENU17));
                String_256 Str18(_R(IDS_BFXDLG_EFFECTMENU18));
                String_256 Str19(_R(IDS_BFXDLG_EFFECTMENU19));
            
                SetStringGadgetValue(_R(IDC_BFXDLG_EFFECTCOMBO),&Str0,FALSE, 0);
                SetStringGadgetValue(_R(IDC_BFXDLG_EFFECTCOMBO),&Str1,FALSE, 1);
                SetStringGadgetValue(_R(IDC_BFXDLG_EFFECTCOMBO),&Str2,FALSE, 2);
                SetStringGadgetValue(_R(IDC_BFXDLG_EFFECTCOMBO),&Str3,FALSE, 3);
                SetStringGadgetValue(_R(IDC_BFXDLG_EFFECTCOMBO),&Str4,FALSE, 4);
                SetStringGadgetValue(_R(IDC_BFXDLG_EFFECTCOMBO),&Str5,FALSE, 5);
                SetStringGadgetValue(_R(IDC_BFXDLG_EFFECTCOMBO),&Str6,FALSE, 6);
                SetStringGadgetValue(_R(IDC_BFXDLG_EFFECTCOMBO),&Str7,FALSE, 7);
                SetStringGadgetValue(_R(IDC_BFXDLG_EFFECTCOMBO),&Str8,FALSE, 8);
                SetStringGadgetValue(_R(IDC_BFXDLG_EFFECTCOMBO),&Str9,FALSE, 9);
                SetStringGadgetValue(_R(IDC_BFXDLG_EFFECTCOMBO),&Str10,FALSE, 10);
                SetStringGadgetValue(_R(IDC_BFXDLG_EFFECTCOMBO),&Str11,FALSE, 11);
                SetStringGadgetValue(_R(IDC_BFXDLG_EFFECTCOMBO),&Str12,FALSE, 12);
                SetStringGadgetValue(_R(IDC_BFXDLG_EFFECTCOMBO),&Str13,FALSE, 13);
                SetStringGadgetValue(_R(IDC_BFXDLG_EFFECTCOMBO),&Str14,FALSE, 14);
                SetStringGadgetValue(_R(IDC_BFXDLG_EFFECTCOMBO),&Str15,FALSE, 15);
                if (IsUserName("Neville"))
                {
                    SetStringGadgetValue(_R(IDC_BFXDLG_EFFECTCOMBO),&Str16,FALSE, 16);
                    SetStringGadgetValue(_R(IDC_BFXDLG_EFFECTCOMBO),&Str17,FALSE, 17);
                    SetStringGadgetValue(_R(IDC_BFXDLG_EFFECTCOMBO),&Str18,FALSE, 18);
                    SetStringGadgetValue(_R(IDC_BFXDLG_EFFECTCOMBO),&Str19,FALSE, 19);
                }           
                
                
                SetStringGadgetValue(_R(IDC_BFXDLG_EFFECTCOMBO),&Str11, FALSE, -1);
                SetComboListLength(_R(IDC_BFXDLG_EFFECTCOMBO));
                SetSelectedValueIndex(_R(IDC_BFXDLG_EFFECTCOMBO), 11);
            }
            //break; RUN THROUGH

        case DIM_SLIDER_POS_SET:
            if(Msg->DlgMsg != DIM_CREATE)
            {
                m_UseInitial = FALSE;
            }
        //case DIM_SLIDER_POS_CHANGING:
        case DIM_LFT_BN_CLICKED:
        case DIM_SELECTION_CHANGED:
        case DIM_TEXT_CHANGED:             // Text changed 
            {
                SetDirty();
                INT32 Choice = GetSelectedValueIndex(_R(IDC_BFXDLG_EFFECTCOMBO));
                BOOL GreyAmount = (Choice <= 9);
                BOOL GreyCustom = (Choice != 0);
                EnableGadget(_R(IDC_BFXDLG_CUSTOM1), !GreyCustom);
                EnableGadget(_R(IDC_BFXDLG_CUSTOM2), !GreyCustom);
                EnableGadget(_R(IDC_BFXDLG_CUSTOM3), !GreyCustom);
                EnableGadget(_R(IDC_BFXDLG_CUSTOM4), !GreyCustom);
                EnableGadget(_R(IDC_BFXDLG_CUSTOM5), !GreyCustom);
                EnableGadget(_R(IDC_BFXDLG_CUSTOM6), !GreyCustom);
                EnableGadget(_R(IDC_BFXDLG_CUSTOM7), !GreyCustom);
                EnableGadget(_R(IDC_BFXDLG_CUSTOM8), !GreyCustom);
                EnableGadget(_R(IDC_BFXDLG_CUSTOM9), !GreyCustom);
                EnableGadget(_R(IDC_BFXDLG_AMOUNT), !GreyAmount);
                EnableGadget(_R(IDC_BFXDLG_AMOUNTTXT), !GreyAmount);
            }
            
            if (Msg->DlgMsg == DIM_CREATE) break; else *pCommitValues = TRUE;

        case DIM_SOFT_COMMIT:
                m_UseInitial = FALSE;
        case DIM_COMMIT:
            {
                INT32 Choice = GetSelectedValueIndex(_R(IDC_BFXDLG_EFFECTCOMBO));
                Matrix[0]=GetDoubleGadgetValue(_R(IDC_BFXDLG_CUSTOM1),-255.0,255.0);
                Matrix[1]=GetDoubleGadgetValue(_R(IDC_BFXDLG_CUSTOM2),-255.0,255.0);
                Matrix[2]=GetDoubleGadgetValue(_R(IDC_BFXDLG_CUSTOM3),-255.0,255.0);
                Matrix[3]=GetDoubleGadgetValue(_R(IDC_BFXDLG_CUSTOM4),-255.0,255.0);
                Matrix[4]=GetDoubleGadgetValue(_R(IDC_BFXDLG_CUSTOM5),-255.0,255.0);
                Matrix[5]=GetDoubleGadgetValue(_R(IDC_BFXDLG_CUSTOM6),-255.0,255.0);
                Matrix[6]=GetDoubleGadgetValue(_R(IDC_BFXDLG_CUSTOM7),-255.0,255.0);
                Matrix[7]=GetDoubleGadgetValue(_R(IDC_BFXDLG_CUSTOM8),-255.0,255.0);
                Matrix[8]=GetDoubleGadgetValue(_R(IDC_BFXDLG_CUSTOM9),-255.0,255.0);

                switch (Choice)
                {
                    case 0:
                    case 1:
                    case 2:
                    case 3:
                    case 4:
                    case 5:
                    case 6:
                    case 7:
                    case 8:
                    case 9:
                        SetEffect(CC_RUNTIME_CLASS(ABFXSpecialEffect));
                        SetParameters((INT32) Choice);
                        break;
                    case 10:
                        SetEffect(CC_RUNTIME_CLASS(ABFXSharpenBlur));
                        SetParameters(((INT32) 127-GetLongGadgetValue(_R(IDC_BFXDLG_AMOUNT),0,127)), 1);
                        break;
                    case 11:
                        SetEffect(CC_RUNTIME_CLASS(ABFXSharpenBlur));
                        SetParameters(((INT32) 127-GetLongGadgetValue(_R(IDC_BFXDLG_AMOUNT),0,127)), 2);
                        break;
                    case 12:
                        SetEffect(CC_RUNTIME_CLASS(ABFXSharpenBlur));
                        SetParameters(((INT32) 127-GetLongGadgetValue(_R(IDC_BFXDLG_AMOUNT),0,127)), 3);
                        break;
                    case 13:
                        SetEffect(CC_RUNTIME_CLASS(ABFXSharpenBlur));
                        SetParameters(((INT32) GetLongGadgetValue(_R(IDC_BFXDLG_AMOUNT),0,127))-127, 1);
                        break;
                    case 14:
                        SetEffect(CC_RUNTIME_CLASS(ABFXSharpenBlur));
                        SetParameters(((INT32) GetLongGadgetValue(_R(IDC_BFXDLG_AMOUNT),0,127))-127, 2);
                        break;
                    case 15:
                        SetEffect(CC_RUNTIME_CLASS(ABFXSharpenBlur));
                        SetParameters(((INT32) GetLongGadgetValue(_R(IDC_BFXDLG_AMOUNT),0,127))-127, 3);
                        break;
                    case 16:
                    case 17:
                    case 18:
                    case 19:
                        SetEffect(CC_RUNTIME_CLASS(ABFXRemoveDither));
                        SetParameters((127-((INT32) GetLongGadgetValue(_R(IDC_BFXDLG_AMOUNT),0,127)))<<1, 30, Choice-16);
                        break;
                }                                           
            }

    }
}

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

>   void BfxPlugInDlg::HandleSpecialEffectsMsg(DialogMsg* Msg, BOOL *pCommitValues, BOOL *pEndDialog)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    20/02/95
    Inputs:     Msg: The message sent from page 1 of the dialog
    Outputs:    -
    Returns:    -
    Purpose:    All messages generated from the tabbed dialog's page 1 get processed here
    Errors:     -
    Scope:      private
    SeeAlso:    BfxPlugInDlg::Message

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


void BfxPlugInDlg::HandleAlchemistMsg(DialogMsg* Msg, BOOL *pCommitValues, BOOL *pEndDialog)
{
    //TalkToPage(_R(IDD_BFXPLUGINDLG_PG6));  // The Coords Page identifier
    switch(Msg->DlgMsg)
    {
        case DIM_CREATE:
            {
                SetLongGadgetValue(_R(IDC_BFXDLG_ALC_HUE_CHECK), TRUE); 
                SetLongGadgetValue(_R(IDC_BFXDLG_ALC_SATURATION_CHECK), TRUE); 
                SetLongGadgetValue(_R(IDC_BFXDLG_ALC_VALUE_CHECK), TRUE); 
                SetLongGadgetValue(_R(IDC_BFXDLG_ALC_RAINBOW_CHECK), TRUE); 
                SetLongGadgetValue(_R(IDC_BFXDLG_ALC_VARIATION_CHECK), TRUE); 
                SetLongGadgetValue(_R(IDC_BFXDLG_ALC_SHAPES_CHECK), TRUE); 
                SetLongGadgetValue(_R(IDC_BFXDLG_ALC_STYLE_CHECK), TRUE); 
                SetLongGadgetValue(_R(IDC_BFXDLG_ALC_OPACITY_CHECK), TRUE); 
                SetLongGadgetValue(_R(IDC_BFXDLG_ALC_GRAIN_CHECK), TRUE); 

                SetGadgetRange    (_R(IDC_BFXDLG_ALC_HUE_SLIDER), 0, 127, 1);
                SetGadgetBitmaps  (_R(IDC_BFXDLG_ALC_HUE_SLIDER), _R(IDB_QUALITYBASE), _R(IDB_QUALITYSLIDER));
                SetLongGadgetValue(_R(IDC_BFXDLG_ALC_HUE_SLIDER), 64); 
                SetGadgetRange    (_R(IDC_BFXDLG_ALC_SATURATION_SLIDER), 0, 127, 1);
                SetGadgetBitmaps  (_R(IDC_BFXDLG_ALC_SATURATION_SLIDER), _R(IDB_QUALITYBASE), _R(IDB_QUALITYSLIDER));
                SetLongGadgetValue(_R(IDC_BFXDLG_ALC_SATURATION_SLIDER), 64); 
                SetGadgetRange    (_R(IDC_BFXDLG_ALC_VALUE_SLIDER), 0, 127, 1);
                SetGadgetBitmaps  (_R(IDC_BFXDLG_ALC_VALUE_SLIDER), _R(IDB_QUALITYBASE), _R(IDB_QUALITYSLIDER));
                SetLongGadgetValue(_R(IDC_BFXDLG_ALC_VALUE_SLIDER), 64); 
                SetGadgetRange    (_R(IDC_BFXDLG_ALC_RAINBOW_SLIDER), 0, 127, 1);
                SetGadgetBitmaps  (_R(IDC_BFXDLG_ALC_RAINBOW_SLIDER), _R(IDB_QUALITYBASE), _R(IDB_QUALITYSLIDER));
                SetLongGadgetValue(_R(IDC_BFXDLG_ALC_RAINBOW_SLIDER), 64); 
                SetGadgetRange    (_R(IDC_BFXDLG_ALC_VARIATION_SLIDER), 0, 127, 1);
                SetGadgetBitmaps  (_R(IDC_BFXDLG_ALC_VARIATION_SLIDER), _R(IDB_QUALITYBASE), _R(IDB_QUALITYSLIDER));
                SetLongGadgetValue(_R(IDC_BFXDLG_ALC_VARIATION_SLIDER), 64); 
                SetGadgetRange    (_R(IDC_BFXDLG_ALC_SHAPES_SLIDER), 0, 127, 1);
                SetGadgetBitmaps  (_R(IDC_BFXDLG_ALC_SHAPES_SLIDER), _R(IDB_QUALITYBASE), _R(IDB_QUALITYSLIDER));
                SetLongGadgetValue(_R(IDC_BFXDLG_ALC_SHAPES_SLIDER), 64); 
                SetGadgetRange    (_R(IDC_BFXDLG_ALC_STYLE_SLIDER), 0, 127, 1);
                SetGadgetBitmaps  (_R(IDC_BFXDLG_ALC_STYLE_SLIDER), _R(IDB_QUALITYBASE), _R(IDB_QUALITYSLIDER));
                SetLongGadgetValue(_R(IDC_BFXDLG_ALC_STYLE_SLIDER), 64); 
                SetGadgetRange    (_R(IDC_BFXDLG_ALC_OPACITY_SLIDER), 0, 127, 1);
                SetGadgetBitmaps  (_R(IDC_BFXDLG_ALC_OPACITY_SLIDER), _R(IDB_QUALITYBASE), _R(IDB_QUALITYSLIDER));
                SetLongGadgetValue(_R(IDC_BFXDLG_ALC_OPACITY_SLIDER), 64); 
                SetGadgetRange    (_R(IDC_BFXDLG_ALC_GRAIN_SLIDER), 0, 127, 1);
                SetGadgetBitmaps  (_R(IDC_BFXDLG_ALC_GRAIN_SLIDER), _R(IDB_QUALITYBASE), _R(IDB_QUALITYSLIDER));
                SetLongGadgetValue(_R(IDC_BFXDLG_ALC_GRAIN_SLIDER), 64); 

            }
            break; //RUN THROUGH

        case DIM_SLIDER_POS_SET:
        //case DIM_SLIDER_POS_CHANGING:
        case DIM_LFT_BN_CLICKED:
        case DIM_SELECTION_CHANGED:
        case DIM_TEXT_CHANGED:             // Text changed 
            {
                SetDirty();
            }
//          break;
            *pCommitValues = TRUE;

        case DIM_SOFT_COMMIT:
        case DIM_COMMIT:
            {
            }
            break;

    }
}


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

>   OpState BfxPlugInDlg::GetState(String_256*, OpDescriptor*)


    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    20/02/95
    Inputs:     -
    Outputs:    -
    Returns:    -
    Purpose:    The standard GetState fn, does nothing
    Errors:     -
    SeeAlso:    -

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


OpState BfxPlugInDlg::GetState(String_256*, OpDescriptor*)
{    
    OpState OpSt;
    return(OpSt);
}
         
/********************************************************************************************

>   BOOL BfxPlugInDlg::Init()


    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    20/02/95
    Inputs:     -
    Outputs:    -
    Returns:    -
    Purpose:    The standard Init fn for the op. 
    Errors:     -
    SeeAlso:    -

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


BOOL BfxPlugInDlg::Init()
{  
    GetApplication()->DeclareSection( "Bitmap Effects", 1);
    GetApplication()->DeclarePref( "Bitmap Effects", "Interactive Brightness & Contrast", &InteractiveBCC, FALSE, TRUE);
    
    BOOL ok = TRUE; 
    ok = ok && RegisterOpDescriptor(
                                    0,                         // Tool ID                    
                                    _R(IDS_BFXDLGM),               // String resource ID        
                                    CC_RUNTIME_CLASS(BfxBrightnessContrastDlg),  // Runtime class              
                                    OPTOKEN_BFXDLG_BRIGHTNESSCONTRAST,             // Token string               
                                    BfxPlugInDlg::GetState,     // GetState function          
                                    0,  /* help ID */           // Help ID                    
                                    NULL,                       // Bubble ID                  
                                    NULL,                       // Resource ID                
                                    NULL,                       // Control ID                 
                                    SYSTEMBAR_ILLEGAL,         // Bar ID                     
                                    TRUE,                      // Recieve system messages    
                                    FALSE,                     // Smart duplicate operation  
                                    TRUE,                      // Clean operation            
                                    0,                         // No vertical counterpart
                                    _R(IDS_BFXDLG_ONE),            // String for one copy only
                                    GREY_WHEN_NO_CURRENT_DOC | DONT_GREY_WHEN_SELECT_INSIDE
                                    );
    ok = ok && RegisterOpDescriptor(
                                    0,                         // Tool ID                    
                                    _R(IDS_BFXDLGM),               // String resource ID        
                                    CC_RUNTIME_CLASS(BfxSpecialEffectsDlg),  // Runtime class              
                                    OPTOKEN_BFXDLG_SPECIALEFFECTS,             // Token string               
                                    BfxPlugInDlg::GetState,     // GetState function          
                                    0,  /* help ID */           // Help ID                    
                                    NULL,                       // Bubble ID                  
                                    NULL,                       // Resource ID                
                                    NULL,                       // Control ID                 
                                    SYSTEMBAR_ILLEGAL,         // Bar ID                     
                                    TRUE,                      // Recieve system messages    
                                    FALSE,                     // Smart duplicate operation  
                                    TRUE,                      // Clean operation            
                                    0,                         // No vertical counterpart
                                    _R(IDS_BFXDLG_ONE),            // String for one copy only
                                    GREY_WHEN_NO_CURRENT_DOC | DONT_GREY_WHEN_SELECT_INSIDE
                                    );
    ok = ok && RegisterOpDescriptor(
                                    0,                         // Tool ID                    
                                    _R(IDS_BFXDLGM),               // String resource ID        
                                    CC_RUNTIME_CLASS(BfxResizeDlg),  // Runtime class              
                                    OPTOKEN_BFXDLG_RESIZE,         // Token string               
                                    BfxPlugInDlg::GetState,     // GetState function          
                                    0,  /* help ID */           // Help ID                    
                                    NULL,                       // Bubble ID                  
                                    NULL,                       // Resource ID                
                                    NULL,                       // Control ID                 
                                    SYSTEMBAR_ILLEGAL,         // Bar ID                     
                                    TRUE,                      // Recieve system messages    
                                    FALSE,                     // Smart duplicate operation  
                                    TRUE,                      // Clean operation            
                                    0,                         // No vertical counterpart
                                    _R(IDS_BFXDLG_ONE),            // String for one copy only
                                    GREY_WHEN_NO_CURRENT_DOC | DONT_GREY_WHEN_SELECT_INSIDE
                                    );
    ok = ok && RegisterOpDescriptor(
                                    0,                         // Tool ID                    
                                    _R(IDS_BFXDLGM),               // String resource ID        
                                    CC_RUNTIME_CLASS(BfxFlipAndRotateDlg),  // Runtime class              
                                    OPTOKEN_BFXDLG_FLIPROTATE,     // Token string               
                                    BfxPlugInDlg::GetState,     // GetState function          
                                    0,  /* help ID */           // Help ID                    
                                    NULL,                       // Bubble ID                  
                                    NULL,                       // Resource ID                
                                    NULL,                       // Control ID                 
                                    SYSTEMBAR_ILLEGAL,         // Bar ID                     
                                    TRUE,                      // Recieve system messages    
                                    FALSE,                     // Smart duplicate operation  
                                    TRUE,                      // Clean operation            
                                    0,                         // No vertical counterpart
                                    _R(IDS_BFXDLG_ONE),            // String for one copy only
                                    GREY_WHEN_NO_CURRENT_DOC | DONT_GREY_WHEN_SELECT_INSIDE
                                    );
    ok = ok && RegisterOpDescriptor(
                                    0,                         // Tool ID                    
                                    _R(IDS_BFXDLGM),               // String resource ID        
                                    CC_RUNTIME_CLASS(BfxColourDepthDlg),  // Runtime class              
                                    OPTOKEN_BFXDLG_COLOURDEPTH,            // Token string               
                                    BfxPlugInDlg::GetState,     // GetState function          
                                    0,  /* help ID */           // Help ID                    
                                    NULL,                       // Bubble ID                  
                                    NULL,                       // Resource ID                
                                    NULL,                       // Control ID                 
                                    SYSTEMBAR_ILLEGAL,         // Bar ID                     
                                    TRUE,                      // Recieve system messages    
                                    FALSE,                     // Smart duplicate operation  
                                    TRUE,                      // Clean operation            
                                    0,                         // No vertical counterpart
                                    _R(IDS_BFXDLG_ONE),            // String for one copy only
                                    GREY_WHEN_NO_CURRENT_DOC | DONT_GREY_WHEN_SELECT_INSIDE
                                    );

    ok = ok && BfxOp::Init();

    return ok;
} 

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

>   void BfxPlugInDlg::Do(OpDescriptor*)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    20/02/95
    Inputs:     -
    Outputs:    -
    Returns:    -
    Purpose:    Like all Do functions invokes the BfxPlugInDlg
    Errors:     -
    SeeAlso:    -

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

void BfxPlugInDlg::Do(OpDescriptor*)
{
    //String_256 Title(_R(IDS_BFXDLG));
    //SetName(&Title); 
    BOOL ok = Create(); // Create the dialog please
    if (!ok)
    {
        /*InformError(blobby)*/;    // Display an error if this is a real dialog please
        OpenPage=0;
        End(); 
    }
//  TalkToPage(0);
    //SetStringGadgetValue(_R(ID_APPLY_NOW), _R(IDS_BFXDLG_TEST));
    //SetStringGadgetValue(IDOK, _R(IDS_BFXDLG_INSERT));
    //SetStringGadgetValue(IDCANCEL, _R(IDS_BFXDLG_CLOSE));
}

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

>   void BfxPlugInDlg::DoWithParam(OpDescriptor* pOp, OpParam* pParam)     

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    23/2/95
    Inputs:     OpDescriptor (unused)
    Outputs:    -
    Returns:    -
    Purpose:    Performs the BfxOp for the first time
    Errors:     -
    SeeAlso:    -

The first parameter should be a kernel bitmap to use or null to just bring the dialog up

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

void BfxPlugInDlg::DoWithParam(OpDescriptor* pOp, OpParam* pParam)
{
    // remember the parameter so that we can return the ok/cancel to the caller
    m_pParam = pParam;

    KernelBitmap * pBitmap = NULL;
    if (pParam)
    {
        pBitmap = (KernelBitmap *)(void *)(pParam->Param1);
        m_pDocument = (Document*)(pParam->Param2);
    }

    if (pBitmap && pBitmap->IsKindOf(CC_RUNTIME_CLASS(KernelBitmap)))
    {
        // open and create the dialog box
        Do(pOp);

        OriginalChanged();
    }

    return;
}

---