DISPLAY.H
资源名称:MSDN_VC98.zip [点击查看]
上传用户:bangxh
上传日期:2007-01-31
资源大小:42235k
文件大小:2k
源码类别:
Windows编程
开发平台:
Visual C++
- /**************************************************************************
- *
- * THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
- * KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
- * PURPOSE.
- *
- * Copyright (C) 1993 - 1997 Microsoft Corporation. All Rights Reserved.
- *
- **************************************************************************/
- /*
- * display.h
- */
- /* MIDI status byte definitions
- */
- #define NOTEON 0x90
- #define NOTEOFF 0x80
- #define KEYAFTERTOUCH 0xa0
- #define CONTROLCHANGE 0xb0
- #define PROGRAMCHANGE 0xc0
- #define CHANAFTERTOUCH 0xd0
- #define PITCHBEND 0xe0
- #define SYSTEMMESSAGE 0xf0
- #define BEGINSYSEX 0xf0
- #define MTCQUARTERFRAME 0xf1
- #define SONGPOSPTR 0xf2
- #define SONGSELECT 0xf3
- /* Format strings used by GetDisplayText()
- */
- #define FORMAT3 " %08lX %02X %02X %02X %2d %c %-21s "
- #define FORMAT2 " %08lX %02X %02X -- %2d %c %-21s "
- #define FORMAT3X " %08lX %02X %02X %02X -- %c %-21s "
- #define FORMAT2X " %08lX %02X %02X -- -- %c %-21s "
- #define FORMAT1X " %08lX %02X -- -- -- %c %-21s "
- /* Data structure to manage a display buffer.
- */
- typedef struct displayBuffer_tag
- {
- HANDLE hSelf; /* handle to this structure */
- HANDLE hBuffer; /* buffer handle */
- WORD wError; /* error flags */
- DWORD dwSize; /* buffer size (in EVENTS) */
- DWORD dwCount; /* byte count (in EVENTS) */
- LPEVENT lpStart; /* ptr to start of buffer */
- LPEVENT lpEnd; /* ptr to end of buffer (last byte + 1) */
- LPEVENT lpHead; /* ptr to head (next location to fill) */
- LPEVENT lpTail; /* ptr to tail (next location to empty) */
- } DISPLAYBUFFER;
- typedef DISPLAYBUFFER FAR *LPDISPLAYBUFFER;
- /* Function prototypes
- */
- int GetDisplayText(NPSTR npText, LPEVENT lpEvent);
- void AddDisplayEvent(LPDISPLAYBUFFER lpBuf, LPEVENT lpEvent);
- void GetDisplayEvent(LPDISPLAYBUFFER lpBuf, LPEVENT lpEvent, DWORD wNum);
- LPDISPLAYBUFFER AllocDisplayBuffer(DWORD dwSize);
- void FreeDisplayBuffer(LPDISPLAYBUFFER lpBuf);
- void ResetDisplayBuffer(LPDISPLAYBUFFER lpBuf);