84 lines
2.4 KiB
C
84 lines
2.4 KiB
C
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/****************************************************************************
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*
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* MegaGraph Graphics Library
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*
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* Copyright (C) 1996 SciTech Software.
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* All rights reserved.
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*
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* Filename: $Workfile: mgldos.h $
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* Version: $Revision: 1.9 $
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*
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* Language: ANSI C
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* Environment: IBM PC (MS DOS)
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*
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* Description: Header file for the MGLDOS binding for the MSDOS environment.
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*
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* $Date: 30 Jan 1997 17:31:58 $ $Author: KendallB $
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*
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****************************************************************************/
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#ifndef __MGLDOS_H
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#define __MGLDOS_H
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#ifndef MGLDOS
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#define MGLDOS
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#endif
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/*---------------------- Macros and type definitions ----------------------*/
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typedef void *MGL_HWND;
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/*------------------------- Function Prototypes ---------------------------*/
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#ifdef __cplusplus
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extern "C" { /* Use "C" linkage when in C++ mode */
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#endif
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/* Initialise the MGL for fullscreen output */
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bool MGLAPI MGL_init(m_int *driver,m_int *mode,const char *mglpath);
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/* Change the active display mode. You must destroy all display device
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* contexts before calling this function, and re-create them again with
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* the new display mode. Does not affect any event handling hooks.
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*/
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bool MGLAPI MGL_changeDisplayMode(m_int mode);
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/* Disable/enable event handling (call before calling MGL_init */
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void MGLAPI MGL_useEvents(bool use);
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/* Device context management */
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MGLDC * MGLAPI MGL_createDisplayDC(m_int numBuffers);
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MGLDC * MGLAPI MGL_createScrollingDC(m_int virtualX,m_int virtualY,m_int numBuffers);
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MGLDC * MGLAPI MGL_createOffscreenDC(void);
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MGLDC * MGLAPI MGL_createLinearOffscreenDC(void);
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MGLDC * MGLAPI MGL_createMemoryDC(m_int xSize,m_int ySize,m_int bitsPerPixel,pixel_format_t *pf);
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bool MGLAPI MGL_destroyDC(MGLDC *dc);
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/* Generic helper functions */
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ulong MGLAPI MGL_getTicks(void);
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ulong MGLAPI MGL_getTickResolution(void);
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void MGLAPI MGL_delay(m_int millseconds);
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void MGLAPI MGL_beep(m_int freq,m_int milliseconds);
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void MGLAPI MGL_suspend(void);
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void MGLAPI MGL_resume(void);
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/* Fullscreen specific routines */
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void MGLAPI MGL_setPaletteSnowLevel(MGLDC *dc,m_int level);
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m_int MGLAPI MGL_getPaletteSnowLevel(MGLDC *dc);
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/* Determine if a specific scancode'ed key is held down (PC specific) */
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bool MGLAPI EVT_isKeyDown(uchar scanCode);
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#ifdef __cplusplus
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} /* End of "C" linkage for C++ */
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#endif
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#endif /* __MGLDOS_H */
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