swfbitmp.cpp

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// $Id: swfbitmp.cpp 751 2006-03-31 15:43:49Z 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
----------------------------------

This file is part of Xara LX.

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-----------------

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=================================XARAHEADEREND============================
 */
#include "camtypes.h"
#include "swfbitmp.h"

#define new CAM_DEBUG_NEW

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

>   FlashBitmapRecord::FlashBitmapRecord ( void )

    Author:     Graeme_Sutherland (Xara Group Ltd) <camelotdev@xara.com>
    Created:    16/11/99
    Inputs:     -
    Returns:    -
    Purpose:    Creates a FlashBitmapRecord list node, and initialises all member variables.

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

FlashBitmapRecord::FlashBitmapRecord ( void )
{
    // Pointers should always be initialised to NULL when created.
    mpNext          = NULL;     // No subsequent nodes.
    mpLast          = NULL;     // No previous nodes.
    mpBitmap        = NULL;     // No bitmap attached.

    mIsContone      = FALSE;
    mBitmapID       = 0;

    mTransparency   = 255;      // The bitmap is (initially) transparent.
}

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

>   FlashBitmapRecord::~FlashBitmapRecord ( void )

    Author:     Graeme_Sutherland (Xara Group Ltd) <camelotdev@xara.com>
    Created:    16/11/99
    Inputs:     -
    Returns:    -
    Purpose:    Destroys this instance of FlashBitmapRecord.

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

FlashBitmapRecord::~FlashBitmapRecord ( void )
{
    // Clean up any stray values.
    mpNext      = NULL;
    mpLast      = NULL;
    mpBitmap    = NULL;
}

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

>   FlashBitmapRecord* FlashBitmapRecord::AddElement ( void )

    Author:     Graeme_Sutherland (Xara Group Ltd) <camelotdev@xara.com>
    Created:    16/11/99
    Inputs:     -
    Returns:    pTail - The pointer to the new node.
    Purpose:    Adds an element to the tail of the list.

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

FlashBitmapRecord* FlashBitmapRecord::AddElement ( void )
{
    FlashBitmapRecord *pTail = new FlashBitmapRecord;
    
    // Set the appropriate pointers.
    pTail->SetLast ( this );        // Ensure that a reference exists to this object...
    pTail->SetNext ( mpNext );      // Avoids any problems if mpLast isn't NULL.
    mpNext = pTail;                 // ... and a reference exists to the new one.

    return pTail;
}

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

>   void FlashBitmapRecord::DeleteLastElement ( void )

    Author:     Graeme_Sutherland (Xara Group Ltd) <camelotdev@xara.com>
    Created:    16/11/99
    Inputs:     -
    Returns:    -
    Purpose:    Deletes the previous item in the list.

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

void FlashBitmapRecord::DeleteLastElement ( void )
{
    FlashBitmapRecord *pToDelete = mpLast;
    
    // Reset mpLast to be mpLast->GetLast (), so that the list isn't broken.
    if ( mpLast != NULL )
        mpLast = mpLast->GetLast ();

    delete pToDelete;
}

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

>   void FlashBitmapRecord::DeleteNextElement ( void )

    Author:     Graeme_Sutherland (Xara Group Ltd) <camelotdev@xara.com>
    Created:    16/11/99
    Inputs:     -
    Returns:    -
    Purpose:    Deletes the next item in the list.

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

void FlashBitmapRecord::DeleteNextElement ( void )
{
    FlashBitmapRecord *pToDelete = mpNext;
    
    // Reset mpNext to be mpNext->GetNext (), so that the list isn't broken.
    if ( mpNext != NULL )
        mpNext = mpNext->GetNext ();

    delete pToDelete;
}

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

>   OILBitmap* FlashBitmapRecord::GetBitmap ( void )

    Author:     Graeme_Sutherland (Xara Group Ltd) <camelotdev@xara.com>
    Created:    16/11/99
    Inputs:     -
    Returns:    mpBitmap - A pointer to a kernel bitmap.
    Purpose:    Gets the value of mpBitmap.

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

OILBitmap* FlashBitmapRecord::GetBitmap ( void )
{
    return mpBitmap;
}

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

>   WORD FlashBitmapRecord::GetBitmapID ( void )

    Author:     Graeme_Sutherland (Xara Group Ltd) <camelotdev@xara.com>
    Created:    16/11/99
    Inputs:     -
    Returns:    mBitmapID - The internal ID number used by the Flash file.
    Purpose:    Gets the value of mBitmapID.

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

WORD FlashBitmapRecord::GetBitmapID ( void )
{
    return mBitmapID;
}

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

>   DocColour FlashBitmapRecord::GetContoneStart ( void )

    Author:     Graeme_Sutherland (Xara Group Ltd) <camelotdev@xara.com>
    Created:    2/12/99
    Inputs:     -
    Returns:    mStartColour - The start colour for a contone operation.
    Purpose:    Gets the value of mStartColour.

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

DocColour FlashBitmapRecord::GetContoneStart ( void )
{
    return mStartColour;
}

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

>   DocColour FlashBitmapRecord::GetContoneEnd ( void )

    Author:     Graeme_Sutherland (Xara Group Ltd) <camelotdev@xara.com>
    Created:    2/12/99
    Inputs:     -
    Returns:    mEndColour - The end colour for a contone operation.
    Purpose:    Gets the value of mEndColour.

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

DocColour FlashBitmapRecord::GetContoneEnd ( void )
{
    return mEndColour;
}

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

>   BOOL FlashBitmapRecord::GetIsContone ( void )

    Author:     Graeme_Sutherland (Xara Group Ltd) <camelotdev@xara.com>
    Created:    2/12/99
    Inputs:     -
    Returns:    mIsContone - Is the bitmap contoned.
    Purpose:    Gets the value of mIsContone.

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

BOOL FlashBitmapRecord::GetIsContone ( void )
{
    return mIsContone;
}

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

>   UINT32 FlashBitmapRecord::GetTransparency ( void )

    Author:     Graeme_Sutherland (Xara Group Ltd) <camelotdev@xara.com>
    Created:    20/11/00
    Inputs:     -
    Returns:    mTransparency - The transparency channel of the bitmap.
    Purpose:    Gets the value of mTransparency.

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

UINT32 FlashBitmapRecord::GetTransparency ( void )
{
    return mTransparency;
}

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

>   FlashBitmapRecord* FlashBitmapRecord::GetLast ( void )

    Author:     Graeme_Sutherland (Xara Group Ltd) <camelotdev@xara.com>
    Created:    16/11/99
    Inputs:     -
    Returns:    *mpLast - A pointer to the previous node in the linked list.
    Purpose:    Gets mpLast.

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

FlashBitmapRecord* FlashBitmapRecord::GetLast ( void )
{
    return mpLast;
}

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

>   FlashBitmapRecord* FlashBitmapRecord::GetNext ( void )

    Author:     Graeme_Sutherland (Xara Group Ltd) <camelotdev@xara.com>
    Created:    16/11/99
    Inputs:     -
    Returns:    *mpNext - A pointer to the next node in the linked list.
    Purpose:    Gets mpNext.

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

FlashBitmapRecord* FlashBitmapRecord::GetNext ( void )
{
    return mpNext;
}

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

>   void FlashBitmapRecord::SetBitmap ( OILBitmap *pBitmap )

    Author:     Graeme_Sutherland (Xara Group Ltd) <camelotdev@xara.com>
    Created:    16/11/99
    Inputs:     pBitmap - A pointer to a kernel bitmap.
    Returns:    -
    Purpose:    Sets the value of mpBitmap.

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

void FlashBitmapRecord::SetBitmap ( OILBitmap *pBitmap )
{
    mpBitmap = pBitmap;
}

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

>   void FlashBitmapRecord::SetContoneColours ( const DocColour &Start,
                                                const DocColour &End )
    Author:     Graeme_Sutherland (Xara Group Ltd) <camelotdev@xara.com>
    Created:    1/12/99
    Inputs:     Start   - The start colour for a contone fill.
                End     - The end colour for a contone fill.
    Returns:    -
    Purpose:    Sets the values of mStartColour and mEndColour.

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

void FlashBitmapRecord::SetContoneColours ( const DocColour &Start,
                                            const DocColour &End )
{
    // Set the values for the start and end colours.
    mStartColour    = Start;
    mEndColour      = End;
}

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

>   void FlashBitmapRecord::SetIsContone ( BOOL IsContone )

    Author:     Graeme_Sutherland (Xara Group Ltd) <camelotdev@xara.com>
    Created:    1/12/99
    Inputs:     IsContone - Is the bitmap to be rendered as a contone bitmap.
    Returns:    -
    Purpose:    Sets the value of mIsContone.

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

void FlashBitmapRecord::SetIsContone ( BOOL IsContone )
{
    mIsContone = IsContone;
}

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

>   void FlashBitmapRecord::SetTransparency ( UINT32 Transparency )

    Author:     Graeme_Sutherland (Xara Group Ltd) <camelotdev@xara.com>
    Created:    20/11/00
    Inputs:     Transparency - The transparency of the bitmap.
    Returns:    -
    Purpose:    Sets the value of mTransparency.

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

void FlashBitmapRecord::SetTransparency ( UINT32 Transparency )
{
    mTransparency = Transparency;
}

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

>   void FlashBitmapRecord::SetBitmapID ( WORD BitmapID )

    Author:     Graeme_Sutherland (Xara Group Ltd) <camelotdev@xara.com>
    Created:    16/11/99
    Inputs:     BitmapID - The ID value for this bitmap.
    Returns:    -
    Purpose:    Sets the value of mBitmapID.

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

void FlashBitmapRecord::SetBitmapID ( WORD BitmapID )
{
    mBitmapID = BitmapID;
}

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

>   void FlashBitmapRecord::SetLast ( FlashBitmapRecord *pLast )

    Author:     Graeme_Sutherland (Xara Group Ltd) <camelotdev@xara.com>
    Created:    16/11/99
    Inputs:     pLast - A pointer to the previous FlashBitmapRecord in the linked list.
    Returns:    -
    Purpose:    Sets the value of mpLast.

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

void FlashBitmapRecord::SetLast ( FlashBitmapRecord *pLast )
{
    mpLast = pLast;
}

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

>   void FlashBitmapRecord::SetNext ( FlashBitmapRecord *pNext )

    Author:     Graeme_Sutherland (Xara Group Ltd) <camelotdev@xara.com>
    Created:    16/11/99
    Inputs:     pNext - A pointer to the next FlashBitmapRecord in the linked list.
    Returns:    -
    Purpose:    Sets the value of mpNext.

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

void FlashBitmapRecord::SetNext ( FlashBitmapRecord *pNext )
{
    mpNext = pNext;
}

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