plugopun.cpp

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// $Id: plugopun.cpp 1282 2006-06-09 09:46:49Z alex $
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----------------------------------

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 */
// 


#include "camtypes.h"

#include "plugopun.h"       // useful plug-in related items
#include "plugop.h"         // useful plug-in related items
//#include "plugres.h"      // _R(IDS_PLUGIN_FAMILY)

#include "plugmngr.h"       // main plug-in manager
//#include "app.h"          // GetApplication() - in camtypes.h [AUTOMATICALLY REMOVED]

//#include "simon.h"            // _R(IDS_NO_DOC) _R(IDS_NO_OBJECTS_SELECTED)
#include "nodebmp.h"        // NodeBitmap
//#include "fillattr.h"     // AttrFillGeometry - in camtypes.h [AUTOMATICALLY REMOVED]

// Place any IMPLEMENT type statements here
CC_IMPLEMENT_DYNCREATE(PlugInUndoOp, SelOperation);
CC_IMPLEMENT_DYNCREATE(ActionApplyPlugInToBitmap, Action)

// We want better memory tracking
#define new CAM_DEBUG_NEW

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

>   PlugInUndoOp::PlugInUndoOp() : SelOperation()

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    21/1/97
    Inputs:
    Outputs:
    Returns:
    Purpose:    Constructor for PlugInUndoOp operation. It is undoable.
    Errors:     None

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

PlugInUndoOp::PlugInUndoOp() : SelOperation()
{
    m_pOpDesc = NULL;
}

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

>   static BOOL PlugInUndoOp::Init()

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    21/1/97
    Returns:    TRUE if the Op was started ok
    Purpose:    Creates all the opDescriptors that call this operation.

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

BOOL PlugInUndoOp::Init()
{
    BOOL ok = TRUE;
    // Set up some standard operations
//  ok = ok && RegisterOpToken(OPTOKEN_PLUGINS, _R(IDS_PLUGINS));

//  ok = ok && RegisterOpToken(OPTOKEN_PHOTOSHOP_PLUGINS, _R(IDS_PHOTOSHOP_PLUGINS));
//  ok = ok && RegisterOpToken(OPTOKEN_PHOTOSHOP_APPLYLAST, _R(IDS_PHOTOSHOP_APPLYLAST));

//  ok = ok && RegisterOpToken(OPTOKEN_PLUGINONE, _R(IDS_PLUGIN_ONE));
//  ok = ok && RegisterOpToken(OPTOKEN_PLUGINTWO, _R(IDS_PLUGIN_TWO));
//  ok = ok && RegisterOpToken(OPTOKEN_PLUGINTHREE, _R(IDS_PLUGIN_THREE));
    return ok;
}

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

>   static BOOL PlugInUndoOp::RegisterOpToken(TCHAR *OpToken, const String_64& NewMenuText,
                                          CCRuntimeClass* pClass = CC_RUNTIME_CLASS(PlugInUndoOp))

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    21/1/97
    Inputs:     OpToken     the OpToken for the operation
                NewMenuText the text for the menu item for this operation
                pClass      the runtime class to use, defaults to PlugInUndoOp.
                gs          the GetState function to use
    Returns:    TRUE if the Op was registered ok
    Purpose:    Allows OpDescriptors to be defined to the operation system.

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

BOOL PlugInUndoOp::RegisterOpToken(TCHAR *OpToken, const String_64& NewMenuText,
                               CCRuntimeClass* pClass, pfnGetState gs)
{
    // Try to create the OpDescriptor
    PlugInOpDescriptor* pOpDesc = new PlugInOpDescriptor(OpToken, NewMenuText, pClass, gs);
    if (pOpDesc == NULL)
        return FALSE;

    return TRUE;
}

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

>   static BOOL PlugInUndoOp::RegisterOpToken(TCHAR *OpToken, UINT32 MenuTextID,
                                          CCRuntimeClass* pClass = CC_RUNTIME_CLASS(PlugInUndoOp),
                                          pfnGetState gs = PlugInUndoOp::GetState)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    21/1/97
    Inputs:     OpToken     the OpToken for the operation
                MenuTextId  the text for the menu item for this operation
                pClass      the runtime class to use, defaults to PlugInUndoOp.
                gs          the GetState function to use
    Returns:    TRUE if the Op was registered ok
    Purpose:    Allows OpDescriptors to be defined to the operation system.

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

BOOL PlugInUndoOp::RegisterOpToken(TCHAR *OpToken, UINT32 MenuTextID, CCRuntimeClass* pClass,
                               pfnGetState gs)
{
    // register some option descriptors
    if (!UndoableOperation::RegisterOpDescriptor(
                        0,                          // Tool ID
                        MenuTextID,                 // String resource ID
                        pClass,                     // Runtime class
                        OpToken,                    // Token string
                        gs,                         // GetState function
                        NULL,                       // help ID
                        NULL,                       // bubble help
                        NULL,                       // resource ID
                        NULL,                       // control ID
                        SYSTEMBAR_ILLEGAL,          // Bar ID
                        TRUE,                       // Recieve system messages
                        FALSE,                      // Smart duplicate operation
                        FALSE,                      // Clean operation
//                      NULL,                       // No vertical counterpart (not present in undoable versions)
                        NULL,                       // String for one copy only error
                        (DONT_GREY_WHEN_SELECT_INSIDE | GREY_WHEN_NO_CURRENT_DOC) // Auto state flags
                        ))
        return FALSE;

    return TRUE;
}

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

>   static OpState PlugInUndoOp::GetState(String_256*, OpDescriptor*)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    21/1/97
    Inputs:     
    Outputs:    String - if MenuItem is enabled Then return the name of the operation to 
                            be undone Else return the reason why it is disabled
    Returns:    OpState the state of the operation
    Purpose:    To provide greying and ticking functionality for the
                operation.
    Errors:     None

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

OpState PlugInUndoOp::GetState(String_256*, OpDescriptor* OpDesc)
{
    // At present, this item is always available.
    OpState OpSt;
    return OpSt;
}

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

>   virtual void Operation::GetOpName(String_256* pOpName)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    11/3/97
    Outputs:    The name of the operation
    Purpose:    To get the name of the operation to put on the undo/redo menu items.
                We overide the baseclass version which tries to use the runtime class of
                this class to work out the OpDescriptor it was invoked with. Of course, we
                use one operation with multiple OpDescriptors and so this is not good enough.
                Unfortunately the operation class does not seem to save away the OpDescriptor
                that invoked it and so we must do this and then use this to track down the
                text to use.

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

void PlugInUndoOp::GetOpName(String_256* pOpName)
{
    if (pOpName == NULL)
        return;
                                 
    // Use our stored copy of the OpDescriptor and ask it for the text
    if (m_pOpDesc)             
        m_pOpDesc->GetText(pOpName, OP_UNDO_TEXT);
}  

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

>   virtual void PlugInUndoOp::Do(OpDescriptor*)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    21/1/97
    Inputs:     pOpDesc     the OpDescriptor of the item to invoke
    Outputs:    None
    Returns:    None
    Purpose:    Invokes the plug-in specified by the OpDescriptor.
    Errors:     if no OpDescriptor is supplied

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

void PlugInUndoOp::Do(OpDescriptor* pOpDesc)
{
    if (pOpDesc == NULL)
    {
        ERROR3IF(pOpDesc == NULL,"PlugInUndoOp::Do null OpDescriptor");
        return;
    }
    //ERROR3("PlugInUndoOp - do");

    // Store away a copy of the OpDescriptor for later use
    m_pOpDesc = pOpDesc;

    // Search the plug-ins list for the specified plug-in and invoke it
    PlugInManager* pManager = GetApplication()->GetPlugInManager();
    if (pManager == NULL)
        return;

    PlugInItem * pPlugIn = pManager->GetFirstPlugIn();
    String_32 OpToken;
    while (pPlugIn)
    {
        OpToken = pPlugIn->GetUniqueID();
        OpToken += pPlugIn->GetPlugInName();
        if (pOpDesc->Token == OpToken)
        {
            // Do Something
            break;
        }

        pPlugIn = pManager->GetNextPlugIn(pPlugIn);
    }

    // If we reached here then everything has happened ok and we can just end the
    // operation and exit 
    End();

    return;
}

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

>   static BOOL PlugInUndoOp::FindBitmapInSelection(KernelBitmap * pFoundBitmap = NULL,
                                                    KernelBitmapRef ** ppFoundBitmapRef = NULL,
                                                    NodeBitmap ** ppFoundNode = NULL,
                                                    AttrFillGeometry ** ppFoundFillAttribute = NULL)

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    21/1/97
    Inputs:     None
    Outputs:    if supplied, it will return a pointer to the bitmap that is in the selection
                if supplied, it will return a pointer to the bitmap ref that is in the selection
                if supplied, it will return a pointer to the node bitmap that is in the selection
                if supplied, it will return a pointer to the fill geometry that is in the selection
    Returns:    TRUE if succeeded in finding a bitmap, FALSE if not
    Purpose:    Find out if there is a valid bitmap in the selection and return useful information
                to the caller.
    SeeAlso:    -

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

/*
    This should be in RANGE for God's sake!
BOOL PlugInUndoOp::FindBitmapInSelection(KernelBitmap ** ppFoundBitmap,
                                         KernelBitmapRef ** ppFoundBitmapRef,
                                         NodeBitmap ** ppFoundNode,
                                         AttrFillGeometry ** ppFoundFillAttribute)
{
    SelRange *pSelRange = GetApplication()->FindSelection();
    if (pSelRange == NULL)
        return FALSE;

    Range Sel(*pSelRange);

    Node* pFirstSelectedNode = Sel.FindFirst(); 
    KernelBitmap * pBitmap = NULL;
    KernelBitmapRef* pBitmapRef = NULL;
    if (pFirstSelectedNode != NULL) // No nodes selected so End
    {
        Node* pCurrentNode = pFirstSelectedNode;       
        Node* pNextCurrent = NULL; 
        
        // Do all bitmaps. OK this should pick up the fill as well. Never mind
        while (pCurrentNode != NULL)
        {
            pNextCurrent = Sel.FindNext(pCurrentNode);
            if  ( (pCurrentNode->IsSelected()) && (pCurrentNode->GetRuntimeClass() == CC_RUNTIME_CLASS(NodeBitmap)) ) 
            {         
                NodeBitmap * pNodeBmp = (NodeBitmap *)(pCurrentNode);
                pBitmap = pNodeBmp->GetBitmap();
                pBitmapRef = pNodeBmp->GetBitmapRef();
                // If the caller wanted it, return the found bitmap to them
                if (ppFoundBitmap)
                    *ppFoundBitmap = pBitmap;
                // ditto found bitmap ref
                if (ppFoundBitmapRef)
                    *ppFoundBitmapRef = pBitmapRef;
                // ditto found node
                if (ppFoundNode)
                    *ppFoundNode = pNodeBmp;
                // ditto found fill attribute
                if (ppFoundFillAttribute)
                    *ppFoundFillAttribute = NULL;
                return TRUE;
            }

            pCurrentNode = pNextCurrent; 
        }

    } 

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

    while (pAttrNode != NULL)
    {
        if (pAttrNode->IsKindOf(CC_RUNTIME_CLASS(AttrBitmapColourFill)))
        {
            pBitmap = pAttrNode->GetBitmap();
            pBitmapRef = pAttrNode->GetBitmapRef();
            // If the caller wanted it, return the found bitmap to them
            if (ppFoundBitmap)
                *ppFoundBitmap = pBitmap;
            // ditto found bitmap ref
            if (ppFoundBitmapRef)
                *ppFoundBitmapRef = pBitmapRef;
            // ditto found node
            if (ppFoundNode)
                *ppFoundNode = NULL;
            // ditto found fill attribute
            if (ppFoundFillAttribute)
                *ppFoundFillAttribute = pAttrNode;
            return TRUE;
        }

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

    // If the caller wanted it, return the found bitmap to them
    if (ppFoundBitmap)
        *ppFoundBitmap = NULL;
    // ditto found bitmap ref
    if (ppFoundBitmapRef)
        *ppFoundBitmapRef = NULL;
    // ditto found node
    if (ppFoundNode)
        *ppFoundNode = NULL;
    // ditto found fill attribute
    if (ppFoundFillAttribute)
        *ppFoundFillAttribute = NULL;

    return FALSE;
}
*/

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

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

>   ActionApplyPlugInToBitmap::ActionApplyPlugInToBitmap()

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    21/1/97
    Purpose:    ActionApplyPlugInToBitmap constructor

********************************************************************************************/
    
ActionApplyPlugInToBitmap::ActionApplyPlugInToBitmap()
{
    m_pDocument = NULL;
    m_pBitmap = NULL;
    m_pBitmapRef = NULL;
    m_pFoundNode = NULL;
    m_pFoundFillAttribute = NULL;
}

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

>   ActionApplyPlugInToBitmap::~ActionApplyPlugInToBitmap() 

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    21/1/97
    Purpose:    ActionApplyPlugInToBitmap destructor

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

ActionApplyPlugInToBitmap::~ActionApplyPlugInToBitmap()
{
}

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

>   virtual ActionCode ActionApplyPlugInToBitmap::Execute()

    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    21/1/97
    Inputs:     -
    Outputs:    ActionCode indicating if the action was successfully executed or not
    Returns:    -
    Purpose:    Executes the ActionApplyPlugInToBitmap to go and apply a new bitmap to
                the currently selected fill or node bitmap and generate another
                ActionApplyPlugInToBitmap to undo this change.
                Forces a redraw of the fill or node.

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

ActionCode ActionApplyPlugInToBitmap::Execute()
{
    ActionApplyPlugInToBitmap ApplyPlugInAct;
    ActionCode ActCode = AC_FAIL;

    // Get the details on the stored bitmap node or fill so that we can use this to undo what we
    // are about to try and do
    KernelBitmap *      pBitmap = NULL;
    KernelBitmapRef *   pBitmapRef = NULL;
    if (m_pDocument != NULL && m_pBitmap != NULL && m_pBitmapRef != NULL)
    {
        // Note the bitmap currently in use on that fill or node
        if (m_pFoundNode != NULL)
        {
            pBitmap = m_pFoundNode->GetBitmap();
            pBitmapRef = m_pFoundNode->GetBitmapRef();
        }
        else if (m_pFoundFillAttribute != NULL)
        {
            pBitmap = m_pFoundFillAttribute->GetBitmap();
            pBitmapRef = m_pFoundFillAttribute->GetBitmapRef();
        }
        else
        {
            ERROR3("Called ActionApplyPlugInToBitmap::Execute with no node or fill selected!");
            return AC_FAIL; 
        }
    }
    else
    {
        ERROR3("Called ActionApplyPlugInToBitmap::Execute with no selected bitmap in the range!");
        return AC_FAIL; 
    }

    if (pBitmap == NULL || pBitmapRef == NULL)
    {
        ERROR3("Called ActionApplyPlugInToBitmap::Execute with no selected bitmap in the range!");
        return AC_FAIL; 
    }

    // Create an action to restore the changes we are about to make
    ActCode = ActionApplyPlugInToBitmap::Init(  pOperation,
                                                pOppositeActLst,
                                                sizeof(ActionApplyPlugInToBitmap),
                                                m_pDocument,
                                                pBitmap,
                                                pBitmapRef,
                                                m_pFoundNode,
                                                m_pFoundFillAttribute,
                                                ( Action**)(&ApplyPlugInAct),
                                                m_bUpdateAspect
                                                );
    if (ActCode != AC_FAIL)
    {
        // Make sure we have quite a few valid items before even attempting to continue
        if (m_pDocument != NULL && m_pBitmap != NULL && m_pBitmapRef != NULL)
        {
            // Change that bitmap
            if (m_pFoundNode != NULL)
            {
                if (m_bUpdateAspect)
                {
                    // Ensure that the aspect ratio of the new bitmap is retained
                    // (Must be done before the new bitmap is attached)
                    m_pFoundNode->SetAspectRatio(m_pBitmap->GetWidth(), m_pBitmap->GetHeight(), TRUE);
                }

                // Its a node bitmap so change its bitmap reference to be the new one
                m_pBitmapRef->Attach(m_pBitmap, m_pDocument);

                BROADCAST_TO_ALL(BitmapListChangedMsg(m_pBitmap->GetParentBitmapList(), m_pBitmap));

                // Say that the bitmap has changed
                ((UndoableOperation*)pOperation)->DoInvalidateNodeRegion((NodeRenderableInk*)m_pFoundNode, TRUE);
            }
            else if (m_pFoundFillAttribute != NULL)
            {
                // Its a bitmap fill so change its bitmap reference to be the new one
                m_pBitmapRef->Attach(m_pBitmap, m_pDocument);

                BROADCAST_TO_ALL(BitmapListChangedMsg(m_pBitmap->GetParentBitmapList(), m_pBitmap));
            }
            else
            {
                ERROR3("Called ActionApplyPlugInToBitmap::Execute with no node or fill selected!");
                return AC_FAIL; 
            }
        }
    }

    return (ActCode);
}



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

>   ActionCode ActionApplyPlugInToBitmap::Init( Operation* const pOp, 
                                                ActionList* pActionList,    
                                                UINT32 ActionSize,
                                                Document *pDocument,
                                                KernelBitmap *pBitmap,
                                                KernelBitmapRef *pBitmapRef,
                                                NodeBitmap * pFoundNode,
                                                AttrFillGeometry * pFoundFillAttribute,
                                                Action** NewAction)
    Author:     Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>
    Created:    21/1/97

    Inputs:     pOp: The operation to which the action should be added
                pActionList: The action list in the operation object
                ActionSize:  The size of the action in bytes. This should be the total  
                             size of the action (including any objects pointed to by the
                             action).
                pDocument:   The target document which contains the bitmap
                pBmp:        The target bitmap to have the plug-in applied to
                pBitmapRef:  The target bitmap reference to be changed
                pFoundNode:  The possible target nodebitmap or NULL
                pFoundFillAttribute:    The possible target attribute or null.

    Outputs:    NewAction:   A pointer to the action if it could be allocated. 

    Returns:    AC_FAIL:     There was not enough room in the operation history for the
                             action and the user did not wish to continue. Usually
                             End() should be called in this situation.

                AC_NORECORD: There was not enough room in the operation history for
                             the action, but the user requested that he wished to 
                             continue without undo. 

                AC_OK      : The action was successfully initialised and added to the 
                             operation. 
                         
                           
    Purpose:    To check that there is sufficient room for the action in the operation
                history, and if there is, then to add the action to the operations 
                action list. 
                
                The function calls the Action::Init function passing the runtime class 
                of an ActionApplyPlugInToBitmap.
    Errors:     -
    SeeAlso:    Action::Init; PlugInUndoOp; 

********************************************************************************************/
   
ActionCode ActionApplyPlugInToBitmap::Init( Operation* const pOp, 
                                            ActionList* pActionList,    
                                            UINT32 ActionSize,
                                            Document *pDocument,
                                            KernelBitmap *pBitmap,
                                            KernelBitmapRef *pBitmapRef,
                                            NodeBitmap * pFoundNode,
                                            AttrFillGeometry * pFoundFillAttribute,
                                            Action** NewAction,
                                            BOOL bUpdateAspect)
{
    ActionCode Ac = (Action::Init(pOp,
                                    pActionList,
                                    ActionSize,
                                    CC_RUNTIME_CLASS(ActionApplyPlugInToBitmap), 
                                    NewAction));
    if (*NewAction != NULL)
    {
        ActionApplyPlugInToBitmap *ACC = (ActionApplyPlugInToBitmap*) (*NewAction);
        ACC->m_pDocument  = pDocument;
        ACC->m_pBitmap  = pBitmap;
        ACC->m_pBitmapRef = pBitmapRef;
        ACC->m_pFoundNode = pFoundNode;
        ACC->m_pFoundFillAttribute = pFoundFillAttribute;
        ACC->m_bUpdateAspect = bUpdateAspect;
    }

    return (Ac);
}

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

---