colormap.h
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上传日期:2007-06-06
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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #ifndef __COLORMAP_H__
- #define __COLORMAP_H__ 1
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- #include "ciddefs.h"
- // this is needed here primarily for UNIX where mmioFOURCC is not present
- // this is also defined in /src/comlib/win/ddraw.h - which is also not
- // used with UNIXes
- #ifndef MAKEFOURCC
- #define MAKEFOURCC(ch0, ch1, ch2, ch3)
- ((ULONG32)(BYTE)(ch0) | ((ULONG32)(BYTE)(ch1) << 8) |
- ((ULONG32)(BYTE)(ch2) << 16) | ((ULONG32)(BYTE)(ch3) << 24 ))
- #endif //defined(MAKEFOURCC)
- /*
- * Some useful format-classification macros:
- */
- #define IsGDI(cid) ((cid) >= CID_RGB32 && (cid) <= CID_RGB8)
- #define IsPalettized(cid) ((cid) == CID_RGB8)
- #define IsRGB(cid) (((cid) >= CID_RGB32 && (cid) <= CID_RGB8) || ((cid) >= CID_BGR32 && (cid) <= CID_RGB444) || ((cid)==CID_ARGB32) )
- #define IsYUV(cid) ((cid)==CID_YUVA || (cid) == CID_XING || (cid) == CID_DVPF || ((cid) >= CID_I420 && (cid) <= CID_UYVY))
- #define IsYUVPlanar(cid) ( (cid)==CID_YUVA || (cid)==CID_XING || ((cid) >= CID_I420 && (cid) <= CID_YVU9))
- #define IsYUVPacked(cid) ((cid) >= CID_YUY2 && (cid) <= CID_UYVY)
- #define IsMotionComp(cid) ((cid) >= CID_MC12 && (cid) <= CID_IGOR)
- #define IsHWPostfilter(cid) ((cid) == CID_DVPF)
- #define IsStructured(cid) ((cid) >= CID_MC12 && (cid) <= CID_DVPF)
- /*
- * Get color format ID.
- * Use:
- * int GetBitmapColor (LPBITMAPINFO lpbi);
- * int GetDirectDrawColor (LPDDPIXELFORMAT lpddpf);
- * Input:
- * lpbi - pointer to BITMAPINFO structure containing image format
- * lpddpf - pointer to a DirectDraw DDPIXELFORMAT structure
- * Returns:
- * ID of the specified format, if found;
- * CID_UNKNOWN, if not supported.
- */
- #ifdef _WIN32
- int GetBitmapColor (LPBITMAPINFO lpbi);
- #if !defined(WIN32_PLATFORM_PSPC)
- int GetDirectDrawColor (LPDDPIXELFORMAT lpddpf);
- #endif /* !defined(WIN32_PLATFORM_PSPC) */
- #else
- int GetBitmapColor (HXBitmapInfo* lpbi);
- #endif
- /*
- * Set color format.
- * Use:
- * int SetBitmapColor (LPBITMAPINFO lpbi, int cid);
- * int SetDirectDrawColor (LPDDPIXELFORMAT lpddpf, int cid);
- * Input:
- * lpbi - pointer to BITMAPINFO structure containing image format
- * lpddpf - pointer to a DirectDraw DDPIXELFORMAT structure
- * cid - color format to set
- * Returns:
- * 0, if success,
- * !0 if wrong color format ID passed
- */
- #ifdef _WIN32
- int SetBitmapColor (LPBITMAPINFO lpbi, int cid);
- #if !defined(WIN32_PLATFORM_PSPC)
- int SetDirectDrawColor (LPDDPIXELFORMAT lpddpf, int cid);
- #endif /* !defined(WIN32_PLATFORM_PSPC) */
- #else
- int SetBitmapColor (HXBitmapInfo* lpbi, int cid);
- #endif
- /*
- * Get pitch of the bitmap image.
- * Use:
- * int GetBitmapPitch (LPBITMAPINFO lpbi);
- * Input:
- * lpbi - pointer to BITMAPINFO structure containing image format
- * Returns:
- * !0 -- pitch of the bitmap image; <0 if bottom-up bitmap
- * 0 - unrecognized bitmap format
- */
- #ifdef _WIN32
- int GetBitmapPitch (LPBITMAPINFO lpbi);
- #else
- int GetBitmapPitch (HXBitmapInfo* lpbi);
- #endif
-
- /*
- * Get size of the bitmap image.
- * Use:
- * int GetBitmapImageSize (LPBITMAPINFO lpbi);
- * Input:
- * lpbi - pointer to BITMAPINFO structure containing image format
- * Returns:
- * !0 -- size of the bitmap image
- * 0 - unrecognized bitmap format
- */
- #ifdef _WIN32
- int GetBitmapImageSize (LPBITMAPINFO lpbi);
- #else
- int GetBitmapImageSize (HXBitmapInfo* lpbi);
- #endif
- #ifdef _WIN32
- int MakeBitmap (LPBITMAPINFO lpbi, int nBISize,
- int cid, ULONG32 dwWidth, ULONG32 dwHeight, LPPALETTEENTRY lppe, int nColors);
- #else
- int MakeBitmap( HXBitmapInfo* lpbi, int nBISize, int cid,
- ULONG32 dwWidth, ULONG32 dwHeight, void* lppe, int nColors);
- #endif
- /*
- * Maps a FourCC to CID don't use this for RGB values.
- * Use:
- * int MapFourCCtoCID (ULONG32 dwFourCC);
- * Input:
- * dwFourCC - teh fourCC you want to map to a CID
- * Returns:
- * teh CID, if found
- */
- int MapFourCCtoCID(ULONG32 dwFourCC);
- /*
- * Maps a CID to a FourCC
- * Use:
- * int MapCIDtoFourCC (ULONG32 CID);
- * Returns:
- * the FourCC, if found
- * else 0.
- */
- int MapCIDtoFourCC(ULONG32 CID);
- #ifdef _WIN32
- /*
- * Get bitmap palette.
- * Use:
- * int GetBitmapPalette (LPBITMAPINFO lpbi, LPPALETTEENTRY lppe);
- * Input:
- * lpbi - pointer to BITMAPINFO structure
- * lppe - pointer to a buffer to contain palette entries
- * Returns:
- * the number of colors in palette
- * 0, if bitmap does not use palette.
- */
- int GetBitmapPalette (LPBITMAPINFO lpbi, LPPALETTEENTRY lppe);
- /*
- * Set bitmap palette.
- * Use:
- * int SetBitmapPalette (LPBITMAPINFO lpbi, LPPALETTEENTRY lppe, int n);
- * Input:
- * lpbi - pointer to BITMAPINFO structure
- * lppe - pointer to a buffer containing palette entries
- * n - the total number of colors in palette
- * Returns:
- * the number of colors set
- * 0, if bitmap does not use palette.
- */
- int SetBitmapPalette (LPBITMAPINFO lpbi, LPPALETTEENTRY lppe, int n);
- /*
- * Check the validity of a bitmap structure.
- * Use:
- * int CheckBitmap (LPBITMAPINFO lpbi);
- * Input:
- * lpbi - pointer to BITMAPINFO structure to check
- * Returns:
- * !0 - bitmap parameters are correct
- * 0 - otherwise
- */
- int CheckBitmap (LPBITMAPINFO lpbi);
- #endif // _WIN32
- #ifdef __cplusplus
- }
- #endif
- #endif /* __COLORMAP_H__ */