sitetran.h

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/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: sitetran.h,v 1.1.1.1.42.1 2004/07/09 01:58:56 hubbe Exp $
 * 
 * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
 * 
 * The contents of this file, and the files included with this file,
 * are subject to the current version of the RealNetworks Public
 * Source License (the "RPSL") available at
 * http://www.helixcommunity.org/content/rpsl unless you have licensed
 * the file under the current version of the RealNetworks Community
 * Source License (the "RCSL") available at
 * http://www.helixcommunity.org/content/rcsl, in which case the RCSL
 * will apply. You may also obtain the license terms directly from
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 * to this file, the RCSL.  Please see the applicable RPSL or RCSL for
 * the rights, obligations and limitations governing use of the
 * contents of the file.
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL") in which case the provisions of the GPL are applicable
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 * 
 * This file is part of the Helix DNA Technology. RealNetworks is the
 * developer of the Original Code and owns the copyrights in the
 * portions it created.
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 * This file, and the files included with this file, is distributed
 * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY
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 * ENJOYMENT OR NON-INFRINGEMENT.
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 * ***** END LICENSE BLOCK ***** */

#ifndef _TRANSITIONS_H_
#define _TRANSITIONS_H_

#include "region.h"

struct LineSegment
{
	HXxPoint	start;
	HXxPoint	finish;

    LineSegment(){}
    LineSegment(const LineSegment& ls);

    void operator=(const LineSegment& right);

    BOOL Clip(int left, int top, int right, int bottom);
};

struct tranLines
{
	INT32			m_nLines;
	LineSegment*	m_pLines;

    tranLines();
    tranLines(const tranLines& tl);
    virtual ~tranLines();

    void Copy(const tranLines& tl);

    void operator+=(const tranLines& right);
    void operator+=(const LineSegment& right);
    void operator=(const tranLines& right);

    void Destroy();
    void Offset(int x, int y);
    void Clip(int left, int top, int right, int bottom);
};

tranLines* operator+(const tranLines& left, const tranLines& right);

typedef HXREGION* (*TransitionType)(int left, int top, int right, int bottom, int completeness, tranLines* lines /* = NULL */); 

#define MATRIX_TRANSITION_INIT		-1
#define MATRIX_TRANSITION_DELETE	-2

struct tranStruct
{
    TransitionType  m_fpTranFunction;
	int			m_SMPTE;
    char*	    m_pTranName;
};

struct tranType
{
    tranStruct* m_pSubTypes;
    char* m_pName;
    int m_nNum;
};

HXREGION* InvertRGN(HXREGION* in, int x, int y, int x1, int y1);
HXREGION* MirrorHorizontal(HXREGION* in, int y);
HXREGION* MirrorVertical(HXREGION* in, int x);

HXREGION* DefaultTransition(int left, int top, int right, int bottom, int completeness, tranLines* lines = NULL);
HXREGION* EdgeWipe(int left, int top, int right, int bottom, int completeness, tranLines* lines = NULL);
HXREGION* IrisWipe(int left, int top, int right, int bottom, int completeness, tranLines* lines = NULL);
HXREGION* SlideVerticalEdgeWipe(int left, int top, int right, int bottom, int completeness, tranLines* lines = NULL);
HXREGION* TopLeftEdgeWipe(int left, int top, int right, int bottom, int completeness, tranLines* lines = NULL);
HXREGION* TopRightEdgeWipe(int left, int top, int right, int bottom, int completeness, tranLines* lines = NULL);
HXREGION* BottomRightEdgeWipe(int left, int top, int right, int bottom, int completeness, tranLines* lines = NULL);
HXREGION* BottomLeftEdgeWipe(int left, int top, int right, int bottom, int completeness, tranLines* lines = NULL);
HXREGION* FourCornerEdgeWipe(int left, int top, int right, int bottom, int completeness, tranLines* lines = NULL);
HXREGION* FourBoxEdgeWipe (int left, int top, int right, int bottom, int completeness, tranLines* lines = NULL);
HXREGION* BarnVerticalEdgeWipe(int left, int top, int right, int bottom, int completeness, tranLines* lines = NULL);
HXREGION* BarnHorizontalEdgeWipe(int left, int top, int right, int bottom, int completeness, tranLines* lines = NULL);
HXREGION* TopCenterEdgeWipe(int left, int top, int right, int bottom, int completeness, tranLines* lines = NULL);
HXREGION* CenterRightEdgeWipe(int left, int top, int right, int bottom, int completeness, tranLines* lines = NULL);
HXREGION* BottomCenterEdgeWipe(int left, int top, int right, int bottom, int completeness, tranLines* lines = NULL);
HXREGION* LeftCenterEdgeWipe(int left, int top, int right, int bottom, int completeness, tranLines* lines = NULL);
HXREGION* DiagonalLeftDownEdgeWipe(int left, int top, int right, int bottom, int completeness, tranLines* lines = NULL);