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Annotation of q_a/samples/scrnsave/fractal.h, revision 1.1

1.1     ! root        1: #define idsName             100
        !             2: #define idsXFrom            9001
        !             3: #define idsYFrom            9002
        !             4: #define idsXTo              9003
        !             5: #define idsYTo              9004
        !             6: #define idsSaveAs           9005
        !             7: #define idsIteration        9006
        !             8: 
        !             9: #define FIRST_PIXEL     429496796
        !            10: #define MAXDOUBLELEN        22          // big enough?
        !            11: #define MAXPATHLEN          256
        !            12: 
        !            13: #define ID_XFROM              2000
        !            14: #define ID_XTO                2001
        !            15: #define ID_YFROM              2002
        !            16: #define ID_YTO                2003
        !            17: #define ID_SAVEAS             2004
        !            18: #define ID_ITERATION          2005
        !            19: 
        !            20: extern TCHAR szName[TITLEBARNAMELEN];
        !            21: extern TCHAR szAppName[APPNAMEBUFFERLEN];
        !            22: TCHAR szXFrom[MAXDOUBLELEN];
        !            23: TCHAR szXTo[MAXDOUBLELEN];
        !            24: TCHAR szYFrom[MAXDOUBLELEN];
        !            25: TCHAR szYTo[MAXDOUBLELEN];
        !            26: TCHAR szSaveFile[MAXPATHLEN];
        !            27: extern TCHAR szIniFile[MAXFILELEN];
        !            28: TCHAR szIteration[MAXDOUBLELEN];
        !            29: extern TCHAR szScreenSaver[22];
        !            30: extern TCHAR szHelpFile[MAXFILELEN];
        !            31: extern TCHAR szNoHelpMemory[BUFFLEN];
        !            32: extern UINT  MyHelpMessage;
        !            33: 
        !            34: CHAR  gtext[128];
        !            35: HPEN   hpnRed;
        !            36: HPEN   hpnBlack;
        !            37: HPEN   hpnGreen;
        !            38: 
        !            39: 
        !            40: 
        !            41: INT    giPen = 0;
        !            42: 
        !            43: BOOL   gFloat = TRUE;
        !            44: LONG   gStep = 1;
        !            45: LONG   gIteration = 500;
        !            46: BOOL   gbStretch = TRUE;
        !            47: INT    giStretchMode = COLORONCOLOR;
        !            48: INT    giDmOrient = DMORIENT_PORTRAIT;
        !            49: INT    giNPrinters = 0;
        !            50: 
        !            51: typedef struct _PerWndInfo {
        !            52:     HWND    hwnd;               // hJulia or hView, the drawing surface
        !            53:     HANDLE  hThrd;              // handle to drawing thread or play thread
        !            54:     BOOL    bDrawing;           // curently drawing?
        !            55:     DWORD   dwThreadId;         // drawing thread or play thread ID
        !            56:     DWORD   dwElapsed;          // elapsed time for the drawing operation
        !            57:     double  xFrom;              // drawing range in floating points
        !            58:     double  xTo;                //
        !            59:     double  yFrom;              //         Floating Points
        !            60:     double  yTo;                //
        !            61:     double  c1;                 // C = c1 + i c2 where c1, c2 are reals
        !            62:     double  c2;                 // the C value corresponding to the Julia set
        !            63:     LONG    lxFrom;             // drawing range in fix points
        !            64:     LONG    lxTo;               //
        !            65:     LONG    lyFrom;             //         Fix Points
        !            66:     LONG    lyTo;               //
        !            67:     LONG    lc1;                // C = c1 + i c2 where c1, c2 are reals
        !            68:     LONG    lc2;                // the C value corresponding to the Julia set
        !            69:     HBITMAP hBmpSaved;          // saved bitmap for the drawing
        !            70:     BOOL    bMandel;            // Drawing is a Mandelbrot or Julia set?
        !            71:     int     iIteration;         // number of computations done on each pixel
        !            72:     int     iStep;              // drawn on every one, two or three line(s)?
        !            73:     BOOL    bStretch;           // stretching bitmaps
        !            74:     int     iStretchMode;       // stretching mode to use
        !            75:     BOOL    bSetDIBsToDevice;   // SetDIBsToDevice reather than BitBlt?
        !            76:     HPALETTE    hPal;           // The palette used for the drawing
        !            77:     HPALETTE    hHTPal;         // The halftone palette used for the drawing
        !            78:     PVOID   *prghPen;
        !            79:     INT     iPen;
        !            80:     char    szSavef[MAXPATHLEN];
        !            81:     BOOL    bClrCycle;
        !            82: } INFO, *PINFO;
        !            83: 
        !            84: INFO  gInfo;
        !            85: 
        !            86: 
        !            87: //
        !            88: // Handy macros for the transformations used in fractal generations
        !            89: //
        !            90: #define Xform(Pt, SrcFrom, SrcTo, DestFrom, DestTo) \
        !            91:          (((Pt-SrcFrom)/(SrcTo-SrcFrom)*(DestTo-DestFrom))+DestFrom)
        !            92: #define Xform2(Pt, SrcFrom, SrcTo, DestFrom, DestTo) \
        !            93:          ((int) ((Pt-SrcFrom)/(SrcTo-SrcFrom)*(DestTo-DestFrom)+DestFrom))
        !            94: #define XformFix(Pt, SrcFrom, SrcTo, DestFrom, DestTo) \
        !            95:          (lMul(lDiv(Pt-SrcFrom,SrcTo-SrcFrom), DestTo-DestFrom)+DestFrom)

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