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70 lines
1.6 KiB
C++
70 lines
1.6 KiB
C++
/*************************************************************************
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zbmp.h: Z-buffer Bitmap Class
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Primary Author: ******
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Review Status: REVIEWED - any changes to this file must be reviewed!
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BASE ---> BACO ---> ZBMP
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*************************************************************************/
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#ifndef ZBMP_H
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#define ZBMP_H
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#define kcbPixelZbmp 2 // Z-buffers are 2 bytes per pixel (16 bit)
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// ZBMP on file
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struct ZBMPF
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{
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short bo;
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short osk;
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short xpLeft;
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short ypTop;
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short dxp;
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short dyp;
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// void *rgb; // pixels follow immediately after ZBMPF
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};
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const ulong kbomZbmpf = 0x55500000;
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/****************************************
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ZBMP class
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****************************************/
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typedef class ZBMP *PZBMP;
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#define ZBMP_PAR BACO
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#define kclsZBMP 'ZBMP'
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class ZBMP : public ZBMP_PAR
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{
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RTCLASS_DEC
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ASSERT
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MARKMEM
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protected:
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RC _rc; // bounding rectangle of ZBMP
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long _cbRow; // bytes per row
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long _cb; // count of bytes in Z buffer
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byte *_prgb; // Z buffer
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ZBMP(void) {}
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public:
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static PZBMP PzbmpNew(long dxp, long dyp);
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static PZBMP PzbmpNewFromBpmp(BPMP *pbpmp);
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static PZBMP PzbmpRead(PBLCK pblck);
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static bool FReadZbmp(PCRF pcrf, CTG ctg, CNO cno, PBLCK pblck,
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PBACO *ppbaco, long *pcb);
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~ZBMP(void);
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byte *Prgb(void) { return _prgb; }
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long CbRow(void) { return _cbRow; }
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void Draw(byte *prgbPixels, long cbRow, long dyp, long xpRef,
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long ypRef, RC *prcClip = pvNil, PREGN pregnClip = pvNil);
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void DrawHalf(byte *prgbPixels, long cbRow, long dyp, long xpRef,
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long ypRef, RC *prcClip = pvNil, PREGN pregnClip = pvNil);
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bool FWrite(PCFL pcfl, CTG ctg, CNO *pcno);
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};
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#endif ZBMP_H
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