drawapi.h

电缆故障监控系统

#ifndef _INC_DIBAPI
#define _INC_DIBAPI

/* Handle to a DIB */
DECLARE_HANDLE(HDIB);

/* DIB constants */
#define PALVERSION   0x300

/* DIB Macros*/

#define IS_WIN30_DIB(lpbi)  ((*(LPDWORD)(lpbi)) == sizeof(BITMAPINFOHEADER))
#define RECTWIDTH(lpRect)     ((lpRect)->right - (lpRect)->left)
#define RECTHEIGHT(lpRect)    ((lpRect)->bottom - (lpRect)->top)

/* Function prototypes */
BOOL      WINAPI  PaintDIB (HDC, LPRECT, HDIB, LPRECT, CPalette* pPal);
BOOL      WINAPI  CreateDIBPalette(HDIB hDIB, CPalette* cPal);
LPSTR     WINAPI  FindDIBBits (LPSTR lpbi);
DWORD     WINAPI  DIBWidth (LPSTR lpDIB);
DWORD     WINAPI  DIBHeight (LPSTR lpDIB);
WORD      WINAPI  PaletteSize (LPSTR lpbi);
WORD      WINAPI  DIBNumColors (LPSTR lpbi);
HANDLE    WINAPI  CopyHandle (HANDLE h);
BOOL      WINAPI  SaveDIB (HDIB hDib, CFile& file);
HDIB      WINAPI  ReadDIBFile(CFile& file);

HDC		  WINAPI  CreateMemoryHDC(CDC* pDC,CFile& file);
void	  WINAPI  DisplayToScreen(int nStyle);
void	  WINAPI  DisplayToRect(LPRECT lpRect,int nStyle);
void	  WINAPI  ClearMemoryHDC();

//---------------- new added --------------------------------

HANDLE ReadDibBitmapInfo (int fh);
BOOL DibInfo (HANDLE hbi,LPBITMAPINFOHEADER lpbi);
DWORD PASCAL lread (int fh,VOID far *pv,DWORD ul);
WORD WINAPI DIBNumColors(LPSTR lpbi);

/* Macro to restrict a given value to an upper or lower boundary value */
#define BOUND(x,min,max) ((x) < (min) ? (min) : ((x) > (max) ? (max) : (x)))

/* Macro to swap two values */
#define SWAP(x,y)   ((x)^=(y)^=(x)^=(y))

/* Macro to find the minimum of two values */
#define MIN(x,y) (((x) <= (y)) : x ? y)

/* Macros to display/remove hourglass cursor for lengthy operations */
#define StartWait() hcurSave = SetCursor(LoadCursor(NULL,IDC_WAIT))
#define EndWait()   SetCursor(hcurSave)

#define MINBAND     50     /* Minimum band size used by the program */
#define BANDINCREMENT   20     /* Decrement for band size while trying  */
                   /* to determine optimum band size.   */

/* Bit values for the DIB attributes flag (fFileOptions). Also used as control
 * IDs for the radiobuttons for DIB bitcount in the File/Open dialog
 */
#define F_1BPP      DLGOPEN_1BPP
#define F_4BPP      DLGOPEN_4BPP
#define F_8BPP      DLGOPEN_8BPP
#define F_24BPP     DLGOPEN_24BPP

/* Bit values for the DIB attributes flag (fFileOptions), also used as control
 * IDs for the radiobuttons for DIB compression type in the File/Open dialog
 */
#define F_RLE4      DLGOPEN_RLE4
#define F_RLE8      DLGOPEN_RLE8
#define F_RGB       DLGOPEN_RGB

/* flags for _lseek */
#define  SEEK_CUR 1
#define  SEEK_END 2
#define  SEEK_SET 0

/* struct to be passed in for the SETDIBSCALING printer escape */
typedef struct {
    short ScaleMode;
    short dx, dy;
} DIBPARAMS;

extern HWND hWndApp;               /* The handle to the app. window     */

#define MAXREAD  32768             /* Number of bytes to be read during */
                       /* each read operation.          */

/* Header signatutes for various resources */
#define BFT_ICON   0x4349   /* 'IC' */
#define BFT_BITMAP 0x4d42   /* 'BM' */
#define BFT_CURSOR 0x5450   /* 'PT' */

/* macro to determine if resource is a DIB */
#define ISDIB(bft) ((bft) == BFT_BITMAP)

/* Macro to align given value to the closest DWORD (unsigned long ) */
#define ALIGNULONG(i)   ((i+3)/4*4)

/* Macro to determine to round off the given value to the closest byte */
#define WIDTHBYTES(i)   ((i+31)/32*4)

#define PALVERSION      0x300
#define MAXPALETTE  256   /* max. # supported palette entries */

/********** THE FOLLOWING ARE USED IN DLGOPEN.C  ************************/


#define DLGOPEN_OPTION          0xF000
#define DLGOPEN_1BPP        0x0001
#define DLGOPEN_4BPP        0x0002
#define DLGOPEN_8BPP        0x0004
#define DLGOPEN_24BPP       0x0008
#define DLGOPEN_RLE4        0x0010
#define DLGOPEN_RLE8        0x0020
#define DLGOPEN_RGB     0x0040

#define DLGOPEN_OPTION8         0x0080

/*  flags:
 *     The LOWORD is the standard FileOpen() flags (OF_*)
 *     the HIWORD can be any of the following:
 */
#define OF_MUSTEXIST    0x00010000  /* file must exist if the user hits Ok    */
#define OF_NOSHOWSPEC   0x00020000  /* DO NOT Show search spec in the edit box*/
#define OF_SHOWSPEC 0x00000000  /* Show the search spec in the edit box   */
#define OF_SAVE     0x00040000  /* Ok button will say "Save"          */
#define OF_OPEN     0x00080000  /* Ok button will say "Open"          */
#define OF_NOOPTIONS    0x00100000  /* Disable the options fold out       */

/* Attributes for DlgDirLst() */
#define ATTRFILELIST    0x0000        /* include files only      */
#define ATTRDIRLIST 0xC010        /* directories and drives ONLY */
#define CBEXTMAX    6         /* Number of bytes in "\*.txt" */


#define IDF(id)     ((id) & ~DLGOPEN_OPTION)  /* extracts flag from control ID */
#define FID(f)      ((f)  |  DLGOPEN_OPTION)  /* extracts control ID from flag */


//------------------------------------------------------------

#endif //!_INC_DIBAPI