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Microsoft Windows NT Build 511 (SDK Final Release) 07-24-1993
/******************************************************************************\
* This is a part of the Microsoft Source Code Samples.
* Copyright (C) 1993 Microsoft Corporation.
* All rights reserved.
* This source code is only intended as a supplement to
* Microsoft Development Tools and/or WinHelp documentation.
* See these sources for detailed information regarding the
* Microsoft samples programs.
\******************************************************************************/
#include <stdio.h>
/****************************************************************************
* *
* FILE : SHOWDIB.H *
* *
* DESCRIPTION : Header/include file for ShowDIB example. *
* *
****************************************************************************/
typedef POINTS MPOINT ;
#ifdef WIN32
#define GET_WM_ACTIVATE_STATE(wp, lp) LOWORD(wp)
#define GET_WM_VSCROLL_CODE(wp, lp) LOWORD(wp)
#define GET_WM_VSCROLL_POS(wp, lp) HIWORD(wp)
#define GET_WM_HSCROLL_CODE(wp, lp) LOWORD(wp)
#define GET_WM_HSCROLL_POS(wp, lp) HIWORD(wp)
#define GET_EM_SETSEL_MPS(iStart, iEnd) (UINT)(iStart), (LONG)(iEnd)
#define GET_WM_COMMAND_CMD(wp, lp) HIWORD(wp)
#define MAKEMPOINT(l) (*((MPOINT *)&(l)))
#define HUGE_T
#else
#define GET_WM_ACTIVATE_STATE(wp, lp) (wp)
#define GET_WM_HSCROLL_CODE(wp, lp) (wp)
#define GET_WM_HSCROLL_POS(wp, lp) LOWORD(lp)
#define GET_WM_VSCROLL_CODE(wp, lp) (wp)
#define GET_WM_VSCROLL_POS(wp, lp) LOWORD(lp)
#define GET_EM_SETSEL_MPS(iStart, iEnd) 0, MAKELONG(iStart, iEnd)
#define GET_WM_COMMAND_CMD(wp, lp) HIWORD(lp)
#define MAKEMPOINT(l) (*((MPOINT FAR *)&(l)))
#define HUGE_T huge
#endif
/* 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)
/* WinFlags, __WinFlags is a ABS external, thus the need for the & */
#define WinFlags ((WORD)(&_WinFlags))
#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
#ifdef NOT_IN_STDIO
/* flags for _lseek */
#define SEEK_CUR 1
#define SEEK_END 2
#define SEEK_SET 0
#endif
/* struct to be passed in for the SETDIBSCALING printer escape */
typedef struct {
SHORT ScaleMode;
SHORT dx, dy;
} DIBPARAMS;
/* Menu IDs */
#define IDM_UPDATECOL 1000
#define IDM_ANIMATE0 1001
#define IDM_ANIMATE5 5
#define IDM_ANIMATE20 20
#define IDM_ANIMATE50 50
#define IDM_ANIMATE100 100
#define IDM_ANIMATE200 200
#define IDM_ANIMATE201 32000
#define IDM_OPEN 1002
#define IDM_EXIT 1003
#define IDM_ABOUT 1004
#define IDM_DIBSCREEN 1005
#define IDM_NOUGLY 1006
#define IDM_STEALCOL 1009
#define IDM_PRINT 1010
#define IDM_COPY 1012
#define IDM_MEMORYDIB 1014
#define IDM_SAVE 1015
#define IDM_TRANSPARENT 1016
#define IDM_PASTEDIB 1020
#define IDM_PASTEDDB 1021
#define IDM_PASTEPAL 1022
#define IDI_APP 2000
#define ABOUTBOX 100
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 ************************/
/* IDs for controls in the DlgOpen dialog */
#define DLGOPEN_EDIT 101
#define DLGOPEN_FILE_LISTBOX 102
#define DLGOPEN_DIR_LISTBOX 103
#define DLGOPEN_PATH 104
#define DLGOPEN_TEXT 105
#define DLGOPEN_FOLDOUT 106
#define DLGOPEN_BIG 107
#define DLGOPEN_SMALL 108
#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 */
/***************** GLOBAL VARIABLES *************************/
extern CHAR achFileName[128]; /* File pathname */
extern DWORD dwOffset; /* Current position if DIB file pointer */
extern RECT rcClip; /* Current clip rectangle. */
extern BOOL fPalColors; /* TRUE if the current DIB's color table */
/* contains palette indexes not rgb values */
extern BOOL bDIBToDevice; /* Use SetDIBitsToDevice() to BLT data. */
extern BOOL bLegitDraw; /* We have a valid bitmap to draw */
extern WORD wTransparent; /* Mode of DC */
extern CHAR szAppName[]; /* App. name */
extern HPALETTE hpalCurrent; /* Handle to current palette */
extern HANDLE hdibCurrent; /* Handle to current memory DIB */
extern HBITMAP hbmCurrent; /* Handle to current memory BITMAP */
extern HANDLE hbiCurrent; /* Handle to current bitmap info struct */
extern DWORD dwStyle; /* Style bits of the App. window */
/***************** FUNCTION DECLARATIONS *******************/
DWORD PASCAL lread(INT fh, VOID FAR *pv, DWORD ul);
DWORD PASCAL lwrite(INT fh, VOID FAR *pv, DWORD ul);
/***********************************************************/
/* Declarations of functions used in showdib.c module */
/***********************************************************/
LONG APIENTRY WndProc (HWND, UINT, UINT, LONG) ;
BOOL MenuCommand (HWND hWnd, UINT wParam);
INT InitDIB (HWND);
VOID FreeDib (VOID);
/***********************************************************/
/* Declarations of functions used in dib.c module */
/***********************************************************/
HANDLE OpenDIB (LPSTR szFile);
BOOL WriteDIB (LPSTR szFile,HANDLE hdib);
WORD PaletteSize (VOID FAR * pv);
WORD DibNumColors (VOID FAR * pv);
HPALETTE CreateDibPalette (HANDLE hdib);
HPALETTE CreateBIPalette (LPBITMAPINFOHEADER lpbi);
HANDLE DibFromBitmap (HBITMAP hbm, DWORD biStyle, WORD biBits, HPALETTE hpal);
HBITMAP BitmapFromDib (HANDLE hdib, HPALETTE hpal);
BOOL DibBlt (HDC hdc, INT x0, INT y0, INT dx, INT dy, HANDLE hdib, INT x1, INT y1, LONG rop);
BOOL StretchDibBlt (HDC hdc, INT x0, INT y0, INT dx, INT dy, HANDLE hdib, INT x1, INT y1, INT dx1, INT dy1, LONG rop);
BOOL DibInfo (HANDLE hdib,LPBITMAPINFOHEADER lpbi);
HANDLE ReadDibBitmapInfo (INT fh);
BOOL DrawBitmap (HDC hdc, INT x, INT y, HBITMAP hbm, DWORD rop);
VOID ReadBitMapFileHeaderandConvertToDwordAlign(HFILE fh, LPBITMAPFILEHEADER pbf, LPDWORD lpdwoff);
VOID WriteMapFileHeaderandConvertFromDwordAlignToPacked(HFILE fh, LPBITMAPFILEHEADER pbf);
/***********************************************************/
/* Declarations of functions used in drawdib. c module */
/***********************************************************/
VOID PrintDIB (HWND hWnd, HDC hDC, INT x, INT y, INT dx, INT dy);
VOID AppPaint (HWND hWnd, HDC hDC, INT x, INT y);
INT ErrMsg (PSTR sz,...);
BOOL fDialog (INT id, HWND hwnd, FARPROC fpfn);
VOID BandDIB (HWND hWnd, HDC hDC, INT x, INT y);
BOOL APIENTRY AppAbout (HWND, UINT, UINT, LONG) ;
HANDLE CopyHandle (HANDLE h);
VOID SizeWindow (HWND hWnd);
VOID GetRealClientRect (HWND hwnd, PRECT lprc);
VOID SetScrollRanges (HWND hwnd);
VOID DrawSelect (HDC hdc, BOOL fDraw);
VOID PASCAL NormalizeRect (RECT *prc);
VOID TrackMouse (HWND hwnd, MPOINT pt);
HBITMAP CopyBitmap (HBITMAP hbm);
HPALETTE CopyPalette (HPALETTE hpal);
HBITMAP CropBitmap (HBITMAP hbm, PRECT prc);
HANDLE RenderFormat (INT cf);
HANDLE RealizeDibFormat (DWORD biStyle, WORD biBits);
/***********************************************************/
/* Declarations of functions used in the print.c module */
/***********************************************************/
BOOL PASCAL InitPrinting (HDC hDC, HWND hWnd, HANDLE hInst, LPSTR msg);
VOID PASCAL TermPrinting (HDC hDC);
HDC PASCAL GetPrinterDC (VOID);
HDC PASCAL GetPrinterDC1 (VOID);
/***********************************************************/
/* Declarations of functions used in the dlgopen.c module */
/***********************************************************/
LONG APIENTRY DlgfnOpen(
HWND hwnd,
UINT msg,
UINT wParam,
LONG lParam
);
HFILE APIENTRY DlgOpenFile (
HWND hwndParent,
CHAR *szTitleIn,
DWORD flags,
CHAR *szExtIn,
CHAR *szFileNameIn,
WORD *pfOpt
);
/*****************************************************/
/* make new sizeof structs to cover dword alignment */
/*****************************************************/
#define SIZEOF_BITMAPFILEHEADER_PACKED ( \
sizeof(WORD) + /* bfType */ \
sizeof(DWORD) + /* bfSize */ \
sizeof(WORD) + /* bfReserved1 */ \
sizeof(WORD) + /* bfReserved2 */ \
sizeof(DWORD)) /* bfOffBits */
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