217 lines
5.7 KiB
C
217 lines
5.7 KiB
C
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/**************************************************************************
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DRAWDIB.H - routines for drawing DIBs to the screen.
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Copyright (c) 1990-1993, Microsoft Corp. All rights reserved.
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this code handles stretching and dithering with custom code.
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the following DIB formats are supported:
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8bpp
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16bpp
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24bpp
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drawing to:
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16 color DC (will dither 8bpp down)
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256 (palletized) DC (will dither 16 and 24bpp down)
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Full-color DC (will just draw it!)
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**************************************************************************/
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#ifndef _INC_DRAWDIB
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#define _INC_DRAWDIB
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef VFWAPI
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#define VFWAPI FAR PASCAL
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#define VFWAPIV FAR CDECL
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#endif
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typedef HANDLE HDRAWDIB; /* hdd */
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/*********************************************************************
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DrawDib Flags
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**********************************************************************/
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#define DDF_0001 0x0001 /* */ /* Internal */
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#define DDF_UPDATE 0x0002 /* re-draw the last DIB */
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#define DDF_SAME_HDC 0x0004 /* HDC same as last call (all setup) */
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#define DDF_SAME_DRAW 0x0008 /* draw params are the same */
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#define DDF_DONTDRAW 0x0010 /* dont draw frame, just decompress */
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#define DDF_ANIMATE 0x0020 /* allow palette animation */
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#define DDF_BUFFER 0x0040 /* always buffer image */
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#define DDF_JUSTDRAWIT 0x0080 /* just draw it with GDI */
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#define DDF_FULLSCREEN 0x0100 /* use DisplayDib */
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#define DDF_BACKGROUNDPAL 0x0200 /* Realize palette in background */
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#define DDF_NOTKEYFRAME 0x0400 /* this is a partial frame update, hint */
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#define DDF_HURRYUP 0x0800 /* hurry up please! */
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#define DDF_HALFTONE 0x1000 /* always halftone */
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#define DDF_2000 0x2000 /* */ /* Internal */
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#define DDF_PREROLL DDF_DONTDRAW /* Builing up a non-keyframe */
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#define DDF_SAME_DIB DDF_SAME_DRAW
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#define DDF_SAME_SIZE DDF_SAME_DRAW
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/*********************************************************************
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DrawDib functions
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*********************************************************************/
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/*
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** DrawDibInit()
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**
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*/
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extern BOOL VFWAPI DrawDibInit(void);
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/*
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** DrawDibOpen()
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**
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*/
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extern HDRAWDIB VFWAPI DrawDibOpen(void);
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/*
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** DrawDibClose()
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**
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*/
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extern BOOL VFWAPI DrawDibClose(HDRAWDIB hdd);
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/*
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** DrawDibGetBuffer()
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**
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*/
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extern LPVOID VFWAPI DrawDibGetBuffer(HDRAWDIB hdd, LPBITMAPINFOHEADER lpbi, DWORD dwSize, DWORD dwFlags);
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/*
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** DrawDibError()
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*/
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extern UINT VFWAPI DrawDibError(HDRAWDIB hdd);
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/*
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** DrawDibGetPalette()
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**
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** get the palette used for drawing DIBs
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**
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*/
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extern HPALETTE VFWAPI DrawDibGetPalette(HDRAWDIB hdd);
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/*
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** DrawDibSetPalette()
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**
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** get the palette used for drawing DIBs
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**
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*/
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extern BOOL VFWAPI DrawDibSetPalette(HDRAWDIB hdd, HPALETTE hpal);
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/*
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** DrawDibChangePalette()
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*/
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extern BOOL VFWAPI DrawDibChangePalette(HDRAWDIB hdd, int iStart, int iLen, LPPALETTEENTRY lppe);
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/*
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** DrawDibRealize()
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**
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** realize the palette in a HDD
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**
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*/
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extern UINT VFWAPI DrawDibRealize(HDRAWDIB hdd, HDC hdc, BOOL fBackground);
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/*
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** DrawDibStart()
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**
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** start of streaming playback
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**
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*/
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extern BOOL VFWAPI DrawDibStart(HDRAWDIB hdd, DWORD rate);
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/*
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** DrawDibStop()
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**
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** start of streaming playback
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**
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*/
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extern BOOL VFWAPI DrawDibStop(HDRAWDIB hdd);
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/*
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** DrawDibBegin()
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**
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** prepare to draw
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**
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*/
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extern BOOL VFWAPI DrawDibBegin(HDRAWDIB hdd,
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HDC hdc,
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int dxDst,
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int dyDst,
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LPBITMAPINFOHEADER lpbi,
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int dxSrc,
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int dySrc,
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UINT wFlags);
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/*
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** DrawDibDraw()
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**
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** actualy draw a DIB to the screen.
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**
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*/
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extern BOOL VFWAPI DrawDibDraw(HDRAWDIB hdd,
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HDC hdc,
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int xDst,
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int yDst,
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int dxDst,
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int dyDst,
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LPBITMAPINFOHEADER lpbi,
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LPVOID lpBits,
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int xSrc,
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int ySrc,
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int dxSrc,
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int dySrc,
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UINT wFlags);
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/*
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** DrawDibUpdate()
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**
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** redraw the last image (may only be valid with DDF_BUFFER)
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*/
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#define DrawDibUpdate(hdd, hdc, x, y) \
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DrawDibDraw(hdd, hdc, x, y, 0, 0, NULL, NULL, 0, 0, 0, 0, DDF_UPDATE)
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/*
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** DrawDibEnd()
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*/
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extern BOOL VFWAPI DrawDibEnd(HDRAWDIB hdd);
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/*
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** DrawDibTime() [for debugging purposes only]
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*/
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typedef struct {
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LONG timeCount;
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LONG timeDraw;
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LONG timeDecompress;
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LONG timeDither;
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LONG timeStretch;
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LONG timeBlt;
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LONG timeSetDIBits;
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} DRAWDIBTIME, FAR *LPDRAWDIBTIME;
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BOOL VFWAPI DrawDibTime(HDRAWDIB hdd, LPDRAWDIBTIME lpddtime);
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/* display profiling */
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#define PD_CAN_DRAW_DIB 0x0001 /* if you can draw at all */
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#define PD_CAN_STRETCHDIB 0x0002 /* basicly RC_STRETCHDIB */
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#define PD_STRETCHDIB_1_1_OK 0x0004 /* is it fast? */
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#define PD_STRETCHDIB_1_2_OK 0x0008 /* ... */
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#define PD_STRETCHDIB_1_N_OK 0x0010 /* ... */
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DWORD VFWAPI DrawDibProfileDisplay(LPBITMAPINFOHEADER lpbi);
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#ifdef __cplusplus
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}
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#endif
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#endif // _INC_DRAWDIB
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