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Annotation of mstools/samples/spincube/spincube.h, revision 1.1

1.1     ! root        1: /******************************************************************************\
        !             2: *
        !             3: *                                  SPINCUBE.H
        !             4: *
        !             5: \******************************************************************************/
        !             6: 
        !             7: #include <custcntl.h>
        !             8: 
        !             9: 
        !            10: 
        !            11: /******************************************************************************\
        !            12: *                               SYMBOLIC CONSTANTS
        !            13: \******************************************************************************/
        !            14: 
        !            15: #define SPINCUBECLASS           "Spincube"
        !            16: #define SPINCUBEDESCRIPTION     "An animated control"
        !            17: #define SPINCUBEDEFAULTTEXT     ":-)"
        !            18: 
        !            19: #define CCHSTYLE                20  // size of style string, i.e. "SS_ERASE"
        !            20: 
        !            21: #define NUM_SPINCUBE_STYLES     2
        !            22: 
        !            23: #define SS_ERASE                0x0001  // spincube window styles
        !            24: #define SS_INMOTION             0x0002
        !            25: 
        !            26: 
        !            27: #define SPINCUBE_EXTRA          4   // number of extra bytes for spincube class
        !            28: 
        !            29: #define SPIN_EVENT              1   // timer event id to repaint control
        !            30: #define SPIN_INTERVAL           75  // milliseconds between repaints. what
        !            31:                                     //   would be really cool is a way to
        !            32:                                     //   dynamically adjust the interval-
        !            33:                                     //   on real fast machines we might
        !            34:                                     //   almost be able to get decent-looking
        !            35:                                     //   animation! :)
        !            36: 
        !            37: #define DID_ERASE               101 // dialog control id's
        !            38: #define DID_INMOTION            102
        !            39: #define DID_OK                  103
        !            40: 
        !            41: #define GWL_SPINCUBEDATA        0   // offset of control's instance data
        !            42: 
        !            43: #define SPINCUBE_REPAINT_BKGND  0x00000001
        !            44: 
        !            45: #define DO_ERASE(hwnd)          GetWindowLong(hwnd,GWL_STYLE) & SS_ERASE \
        !            46:                                            ? TRUE : FALSE
        !            47: 
        !            48: #define IN_MOTION(hwnd)         GetWindowLong(hwnd,GWL_STYLE) & SS_INMOTION \
        !            49:                                            ? TRUE : FALSE
        !            50: 
        !            51: #define REPAINT_BKGND(pSCI)     pSCI->iOptions&SPINCUBE_REPAINT_BKGND \
        !            52:                                            ? TRUE : FALSE
        !            53: 
        !            54: 
        !            55: 
        !            56: /******************************************************************************\
        !            57: *                                    TYPEDEFs
        !            58: \******************************************************************************/
        !            59: 
        !            60: typedef struct
        !            61: {
        !            62:   HDC      hdcCompat;               // the DC that will contain our off-screen
        !            63:                                     //   image
        !            64:   HBITMAP  hbmCompat;               // The bitmap that will contain the actual
        !            65:                                     //   image, i.e. we will always do our
        !            66:                                     //   drawing on this bmp & then blt the
        !            67:                                     //   result to the screen.
        !            68: 
        !            69:   float    fCurrentXRotation;       // Angle (in radians) to rotate cube about
        !            70:   float    fCurrentYRotation;       //   x, y, z axis
        !            71:   float    fCurrentZRotation;
        !            72: 
        !            73:   float    fCurrentXRotationInc;    // Amount to inc rotation angle each
        !            74:   float    fCurrentYRotationInc;    //   time we repaint (and are in motion)
        !            75:   float    fCurrentZRotationInc;
        !            76: 
        !            77:   int      iCurrentXTranslation;    // Distance (in pels) to translate cube
        !            78:   int      iCurrentYTranslation;
        !            79:   int      iCurrentZTranslation;
        !            80: 
        !            81:   int      iCurrentXTranslationInc; // Amount to inc translation distance each
        !            82:   int      iCurrentYTranslationInc; //   time we repaint (and are in motion)
        !            83:   int      iCurrentZTranslationInc;
        !            84: 
        !            85:   RECT     rcCubeBoundary;          // Bounding rectangle (in 2D) of the last
        !            86:                                     //   cube drawn.  We invalidate only this
        !            87:                                     //   region when we're doing animation
        !            88:                                     //   and get the WM_TIMER- it's alot more
        !            89:                                     //   efficient that invalidating the whole
        !            90:                                     //   control (there's less screen flashing.
        !            91: 
        !            92:   int      iOptions;                // Contains the current options for this
        !            93:                                     //   ctrl, i.e. erase background.
        !            94: 
        !            95: } SPINCUBEINFO, *PSPINCUBEINFO;
        !            96: 
        !            97: 
        !            98: 
        !            99: /******************************************************************************\
        !           100: *                                FUNCTION PROTOTYPES
        !           101: \******************************************************************************/
        !           102: 
        !           103: INT     CALLBACK SpincubeSizeToText (DWORD, DWORD, HFONT,  LPSTR);
        !           104: BOOL    CALLBACK SpincubeStyle      (HWND,  LPCCSTYLE);
        !           105: LRESULT CALLBACK SpincubeWndProc    (HWND,  UINT,  WPARAM, LPARAM);
        !           106: LRESULT CALLBACK SpincubeDlgProc    (HWND,  UINT,  WPARAM, LPARAM);

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