mkstroke.cpp

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// $Id: mkstroke.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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 */
/*
//*/

#include "camtypes.h"
#include "mkstroke.h" 

// code headers
//#include "app.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "document.h" - in camtypes.h [AUTOMATICALLY REMOVED]
#include "nodepath.h"
#include "objchge.h"
#include "mkshapes.h" 

//#include "becomea.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "group.h" - in camtypes.h [AUTOMATICALLY REMOVED]
#include "nodeblnd.h"

#include "progress.h"
#include "groupops.h"
#include "pathstrk.h"
#include "sgline.h"

// resource headers
#include "bubbleid.h"
//#include "richard3.h"

      
DECLARE_SOURCE("$Revision: 1282 $");  

CC_IMPLEMENT_DYNCREATE(OpMakeStroke, SelOperation)  

// ------------------------------------------------------------------------------------------
// OpMakeStroke methods
            
/********************************************************************************************
>   OpMakeStroke::OpMakeStroke() 

    Author:     Richard_Millican (Xara Group Ltd) <camelotdev@xara.com>
    Created:    04/03/97
    Purpose:    OpMakeStroke constructor
********************************************************************************************/
OpMakeStroke::OpMakeStroke(): SelOperation()                                
{                              
}



/********************************************************************************************
>   BOOL OpMakeStroke::Init()

    Author:     Richard_Millican (Xara Group Ltd) <camelotdev@xara.com>
    Created:    04/03/97
    Inputs:     -
    Outputs:    -
    Returns:    TRUE if the operation could be successfully initialised 
                FALSE if no more memory could be allocated 
                
    Purpose:    OpMakeStroke initialiser method
    Errors:     ERROR will be called if there was insufficient memory to allocate the 
                operation.
    SeeAlso:    -
********************************************************************************************/
BOOL OpMakeStroke::Init()
{
    return (RegisterOpDescriptor(0,                         // tool id
                                _R(IDS_MAKESTROKEOP),           // Ops name
                                CC_RUNTIME_CLASS(OpMakeStroke), // Ops class
                                OPTOKEN_MAKE_STROKE,        // Op token
                                OpMakeStroke::GetState,     // Get state function
                                0,                          // help ID
                                _R(IDBBL_MAKESTROKE),           // Bubble help
                                0,                          // Bitmap ID
                                0,                          // Control ID
                                SYSTEMBAR_ILLEGAL,          // Bar to appear on
                                TRUE,                       // Recieve messages
                                FALSE,                      // Smart
                                FALSE,                      // Clean
                                0,                          // One open string ID
    GREY_WHEN_NO_CURRENT_DOC | GREY_WHEN_NO_SELECTION | DONT_GREY_WHEN_SELECT_INSIDE));
}



/********************************************************************************************
>   OpState OpMakeStroke::GetState(String_256*, OpDescriptor*)

    Author:     Richard_Millican (Xara Group Ltd) <camelotdev@xara.com>
    Created:    04/03/97
    Inputs:     -
    Outputs:    -
    Returns:    The state of the OpMakeStroke
    Purpose:    For finding the OpMakeStroke's state. 
********************************************************************************************/
OpState OpMakeStroke::GetState(String_256* UIDescription, OpDescriptor*)
{
    OpState OpSt;

    SelRange *pSelRange = GetApplication()->FindSelection(); 

    // Set up the ObjChangeParam so we can ask the selected nodes if they mind being deleted
    ObjChangeFlags cFlags(TRUE);
    ObjChangeParam ObjChange(OBJCHANGE_STARTING,cFlags,NULL,NULL);

    // Will one or more selected nodes allow this op?
    if (!pSelRange->AllowOp(&ObjChange,FALSE))
        OpSt.Greyed = TRUE;

    return(OpSt);   
}



/********************************************************************************************
>   void OpMakeStroke::Do(OpDescriptor*)

    Author:     Richard_Millican (Xara Group Ltd) <camelotdev@xara.com>
    Created:    04/03/97
    Inputs:     OpDescriptor (unused)
    Outputs:    -
    Returns:    -
    Purpose:    Performs the MakeShapes operation. 
********************************************************************************************/
void OpMakeStroke::Do(OpDescriptor*)
{   
    // Obtain the current selections 
    Range Selection = *GetApplication()->FindSelection();
    Node* CurrentNode = Selection.FindFirst(); 
    BOOL Success = TRUE;        
    
    ERROR3IF(CurrentNode == NULL, "Make shapes called with no nodes selected"); 
    
    if (CurrentNode != NULL) // No nodes selected so End
    {                    
        // Try to record the selection state, don't render the blobs though 
        if (Success)
            Success = DoStartSelOp(FALSE,FALSE);                                   

        // First, Make Shapes on everything so they're all simple paths
        String_256 Desc("Building new stroke brush...");
        Progress::Start(FALSE, &Desc);
        OpDescriptor *pOp = OpDescriptor::FindOpDescriptor(OPTOKEN_MAKE_SHAPES);
        if (pOp != NULL)
            pOp->Invoke();

        // Second, Group everything
        pOp = OpDescriptor::FindOpDescriptor(OPTOKEN_GROUP);
        if (pOp != NULL)
            pOp->Invoke();

        pOp = OpDescriptor::FindOpDescriptor(OPTOKEN_GROUP);
        if (pOp != NULL)
            pOp->Invoke();

        // Finally, create a new brush
        PathStrokerVector::BodgeRipSelection(/*(CommandIndex == 0) ? FALSE :*/ TRUE);
        Progress::Stop();

    }                   

    if (!Success)
    {
        InformError();
        FailAndExecute();
    }

    End(); 
}           

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