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Annotation of mstools/samples/midimon/display.h, revision 1.1

1.1     ! root        1: /*
        !             2:  *  display.h
        !             3:  */
        !             4: 
        !             5: 
        !             6: /* MIDI status byte definitions
        !             7:  */
        !             8: #define NOTEON          0x90
        !             9: #define NOTEOFF         0x80
        !            10: #define KEYAFTERTOUCH   0xa0
        !            11: #define CONTROLCHANGE   0xb0
        !            12: #define PROGRAMCHANGE   0xc0
        !            13: #define CHANAFTERTOUCH  0xd0
        !            14: #define PITCHBEND       0xe0
        !            15: #define SYSTEMMESSAGE   0xf0
        !            16: #define BEGINSYSEX      0xf0
        !            17: #define MTCQUARTERFRAME 0xf1
        !            18: #define SONGPOSPTR      0xf2
        !            19: #define SONGSELECT      0xf3
        !            20: 
        !            21: /* Format strings used by GetDisplayText()
        !            22:  */
        !            23: #define FORMAT3  " %08lX  %02X     %02X    %02X    %2d   %-21s "
        !            24: #define FORMAT2  " %08lX  %02X     %02X    --    %2d   %-21s "
        !            25: #define FORMAT3X " %08lX  %02X     %02X    %02X    --   %-21s "
        !            26: #define FORMAT2X " %08lX  %02X     %02X    --    --   %-21s "
        !            27: #define FORMAT1X " %08lX  %02X     --    --    --   %-21s "
        !            28: 
        !            29: 
        !            30: /* Data structure to manage a display buffer.
        !            31:  */
        !            32: typedef struct displayBuffer_tag
        !            33: {
        !            34:     HANDLE  hSelf;          /* handle to this structure */
        !            35:     HANDLE  hBuffer;        /* buffer handle */
        !            36:     WORD    wError;         /* error flags */
        !            37:     DWORD   dwSize;         /* buffer size (in EVENTS) */
        !            38:     DWORD   dwCount;        /* byte count (in EVENTS) */
        !            39:     LPEVENT lpStart;        /* ptr to start of buffer */
        !            40:     LPEVENT lpEnd;          /* ptr to end of buffer (last byte + 1) */
        !            41:     LPEVENT lpHead;         /* ptr to head (next location to fill) */
        !            42:     LPEVENT lpTail;         /* ptr to tail (next location to empty) */
        !            43: } DISPLAYBUFFER;
        !            44: typedef DISPLAYBUFFER FAR *LPDISPLAYBUFFER;
        !            45: 
        !            46: 
        !            47: /* Function prototypes
        !            48:  */
        !            49: int GetDisplayText(NPSTR npText, LPEVENT lpEvent);
        !            50: void AddDisplayEvent(LPDISPLAYBUFFER lpBuf, LPEVENT lpEvent);
        !            51: void GetDisplayEvent(LPDISPLAYBUFFER lpBuf, LPEVENT lpEvent, DWORD wNum);
        !            52: LPDISPLAYBUFFER AllocDisplayBuffer(DWORD dwSize);
        !            53: void FreeDisplayBuffer(LPDISPLAYBUFFER lpBuf);
        !            54: void ResetDisplayBuffer(LPDISPLAYBUFFER lpBuf);

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