VobSubImage.h

/* 
 *      Copyright (C) 2003-2005 Gabest
 *      http://www.gabest.org
 *
 *  This Program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *   
 *  This Program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *  GNU General Public License for more details.
 *   
 *  You should have received a copy of the GNU General Public License
 *  along with GNU Make; see the file COPYING.  If not, write to
 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 
 *  http://www.gnu.org/copyleft/gpl.html
 *
 */

#pragma once

#include <afx.h>
#include <afxtempl.h>
#include <atlcoll.h>

typedef CArray<CPoint> CPointArray;
typedef CArray<int> CDirArray;

typedef struct 
{
        CPointArray pa;
        CDirArray da;
        void RemoveAll() {pa.RemoveAll(); da.RemoveAll();}
        void Add(CPoint p, int d) {pa.Add(p); da.Add(d);}
} COutline;

typedef CAutoPtrList<COutline> COutlineList;

class CVobSubImage
{
        friend class CVobSubFile;

private:
        CSize org;
        RGBQUAD* lpTemp1;
        RGBQUAD* lpTemp2;

        WORD nOffset[2], nPlane;
        bool fCustomPal;
        char fAligned; // we are also using this for calculations, that's why it is char instead of bool...
        int tridx;
        RGBQUAD* orgpal /*[16]*/,* cuspal /*[4]*/;

        bool Alloc(int w, int h);
        void Free();

        BYTE GetNibble(BYTE* lpData);
        void DrawPixels(CPoint p, int length, int colorid);
        void TrimSubImage();

public:
        int iLang, iIdx;
        bool fForced;
        __int64 start, delay;
        CRect rect;
        typedef struct {BYTE pal:4, tr:4;} SubPal;
        SubPal pal[4];
        RGBQUAD* lpPixels;

        CVobSubImage();
        virtual ~CVobSubImage();

        void Invalidate() {iLang = iIdx = -1;}

        void GetPacketInfo(BYTE* lpData, int packetsize, int datasize);
        bool Decode(BYTE* lpData, int packetsize, int datasize,
                                bool fCustomPal, 
                                int tridx, 
                                RGBQUAD* orgpal /*[16]*/, RGBQUAD* cuspal /*[4]*/, 
                                bool fTrim);


private:
        COutlineList* GetOutlineList(CPoint& topleft);
        int GrabSegment(int start, COutline& o, COutline& ret);
        void SplitOutline(COutline& o, COutline& o1, COutline& o2);
        void AddSegment(COutline& o, CByteArray& pathTypes, CPointArray& pathPoints);

public:
        bool Polygonize(CByteArray& pathTypes, CPointArray& pathPoints, bool fSmooth, int scale);
        bool Polygonize(CStringW& assstr, bool fSmooth = true, int scale = 3);

    void Scale2x();
};

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