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/*-----------------------------------------------------------------------------*\
| Routines for dealing with Device independent bitmaps || || History: || 06/23/89 toddla Created || 04/25/94 michaele Using in sprite library, removed all dib.c funcs || only using the MACRO stuff. || |\*-----------------------------------------------------------------------------*/
#ifndef _INC_DIB_
#define _INC_DIB_
#ifdef __cplusplus
extern "C" {#endif
typedef LPBITMAPINFOHEADER PDIB;typedef HANDLE HDIB;
#ifdef WIN32
#define HFILE HANDLE
#endif
PDIB DibOpenFile(LPTSTR szFile);BOOL DibWriteFile(PDIB pdib, LPTSTR szFile);PDIB DibReadBitmapInfo(HFILE fh);HPALETTE DibCreatePalette(PDIB pdib);BOOL DibSetUsage(PDIB pdib, HPALETTE hpal,UINT wUsage);BOOL DibDraw(HDC hdc, int x, int y, int dx, int dy, PDIB pdib, int x0, int y0, int dx0, int dy0, LONG rop, UINT wUsage);PDIB DibCreate(int bits, int dx, int dy);PDIB DibCopy(PDIB pdib);void DibMapToPalette(PDIB pdib, HPALETTE hpal);PDIB DibConvert(PDIB pdib, int BitCount, DWORD biCompression);PDIB DibHalftoneDIB(PDIB pdib);
PDIB DibFromBitmap(HBITMAP hbm, DWORD biStyle, UINT biBits, HPALETTE hpal, UINT wUsage);HBITMAP BitmapFromDib(PDIB pdib, HPALETTE hpal, UINT wUsage);
void MakeIdentityPalette(HPALETTE hpal);HPALETTE CopyPalette(HPALETTE hpal);
/****************************************************************************
DIB macros. ***************************************************************************/
#ifdef WIN32
#define HandleFromDib(lpbi) GlobalHandle(lpbi)
#else
#define HandleFromDib(lpbi) (HANDLE)GlobalHandle(SELECTOROF(lpbi))
#endif
#define DibFromHandle(h) (PDIB)GlobalLock(h)
#define DibFree(pdib) GlobalFreePtr(pdib)
#define WIDTHBYTES(i) ((unsigned)((i+31)&(~31))/8) /* ULONG aligned ! */
#define DibWidth(lpbi) (UINT)(((LPBITMAPINFOHEADER)(lpbi))->biWidth)
#define DibHeight(lpbi) (((LPBITMAPINFOHEADER)(lpbi))->biHeight)
#define DibBitCount(lpbi) (UINT)(((LPBITMAPINFOHEADER)(lpbi))->biBitCount)
#define DibCompression(lpbi) (DWORD)(((LPBITMAPINFOHEADER)(lpbi))->biCompression)
#define DibWidthBytesN(lpbi, n) (UINT)WIDTHBYTES((UINT)(lpbi)->biWidth * (UINT)(n))
#define DibWidthBytes(lpbi) DibWidthBytesN(((LPBITMAPINFOHEADER)lpbi), \
((LPBITMAPINFOHEADER)lpbi)->biBitCount)
#define DibSizeImage(lpbi) ((lpbi)->biSizeImage == 0 \
? ((DWORD)(UINT)DibWidthBytes(lpbi) * \ (DWORD)(UINT)(lpbi)->biHeight) \ : (lpbi)->biSizeImage)
#define DibSize(lpbi) ((lpbi)->biSize + (lpbi)->biSizeImage + \
(int)(lpbi)->biClrUsed * sizeof(RGBQUAD))#define DibPaletteSize(lpbi) (DibNumColors(lpbi) * sizeof(RGBQUAD))
#define DibFlipY(lpbi, y) ((int)(lpbi)->biHeight-1-(y))
//HACK for NT BI_BITFIELDS DIBs
#ifdef WIN32
#define DibPtr(lpbi) ((lpbi)->biCompression == BI_BITFIELDS \
? (LPVOID)(DibColors(lpbi) + 3) \ : (LPVOID)(DibColors(lpbi) + \ (UINT)(lpbi)->biClrUsed))#else
#define DibPtr(lpbi) (LPVOID)(DibColors(lpbi) + \
(UINT)(lpbi)->biClrUsed)#endif
#define DibColors(lpbi) ((RGBQUAD FAR *)((LPBYTE)(lpbi) + \
(int)(lpbi)->biSize))
#define DibNumColors(lpbi) ((lpbi)->biClrUsed == 0 && \
(lpbi)->biBitCount <= 8 \ ? (int)(1 << (int)(lpbi)->biBitCount) \ : (int)(lpbi)->biClrUsed)
#define DibXYN(lpbi,pb,x,y,n) (LPVOID)( \
(BYTE *)(pb) + \ (UINT)((UINT)(x) * (UINT)(n) / 8u) + \ ((DWORD)DibWidthBytesN(lpbi,n) * \ (DWORD)(UINT)(y)))
#define DibXY(lpbi,x,y) DibXYN(lpbi,DibPtr(lpbi),x,y,(lpbi)->biBitCount)
#define FixBitmapInfo(lpbi) if ((lpbi)->biSizeImage == 0) \
(lpbi)->biSizeImage = DibSizeImage(lpbi); \ if ((lpbi)->biClrUsed == 0) \ (lpbi)->biClrUsed = DibNumColors(lpbi); \ if ((lpbi)->biCompression == BI_BITFIELDS && \ (lpbi)->biClrUsed == 0) \ ; // (lpbi)->biClrUsed = 3;
#define DibInfo(pDIB) ((BITMAPINFO FAR *)(pDIB))
/****************************************************************************
***************************************************************************/
#ifndef BI_BITFIELDS
#define BI_BITFIELDS 3
#endif
#ifndef HALFTONE
#define HALFTONE COLORONCOLOR
#endif
#ifdef __cplusplus
}#endif
#endif // _INC_DIB_
/*************************************************************************
dibfx.h
Header file for various DIB-to-DIB effects
02/08/94 Compiled by Jonbl*/
#ifndef _INC_DIBFX_
#define _INC_DIBFX_
#ifdef WIN95
#ifndef _INC_WINDOWS
#include <windows.h>
#include <windowsx.h>
#endif
#endif //WIN95
#ifdef __cplusplus
extern "C" {#endif
/*************************************************************************
Many of the DIBFX functions use fixed point calculations internally.
These functions are defined in fixed32.asm*/
typedef long Fixed;
Fixed __stdcall FixedMultiply( Fixed Multiplicand, Fixed Multiplier );
Fixed __stdcall FixedDivide( Fixed Dividend, Fixed Divisor );
#define IntToFixed(i) (Fixed)( ((long)(i)) << 16 )
#define FixedToShort(f) (short)( ((long)f) >> 16 )
/*
* DibClear * Fills a DIB's memory with a given value, effectively clearing * an 8-bit, 4-bit or 1-bit DIB. * * Does not do what you would expect on 16, 24, or 32-bit DIBs, * but it will work. * * Source is in clear.c and clear32.asm */
BOOL FAR PASCAL DibClear(LPBITMAPINFO lpbiDst, LPVOID lpDst, BYTE value);
#ifdef __cplusplus
}#endif
#endif // _INC_DIBFX_
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