/** ** libgrx.h ---- MGRX library private include file ** ** Copyright (c) 1995 Csaba Biegl, 820 Stirrup Dr, Nashville, TN 37221 ** [e-mail: csaba@vuse.vanderbilt.edu] ** ** This file is part of the GRX graphics library. ** ** The GRX graphics library is free software; you can redistribute it ** and/or modify it under some conditions; see the "copying.grx" file ** for details. ** ** This library is distributed in the hope that it will be useful, ** but WITHOUT ANY WARRANTY; without even the implied warranty of ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. ** ** Modifications ** 071201 Introduction of GR_PtrInt (integer of same length as a pointer) ** to suppress warnings (in fact errors) when compiling with ** x86_64 platforms. Backport from GRX 2.4.7 (M.Lombardi) ** 170630 Added _GrIniUserEncoding and _GrRecode protoptypes ** 190813 Define here sttcopy and sttzero using string.h routines ** 190818 Solved a bug in getting BYTE_ORDED showed in win32 after remove of ** assembler code in memfill.h ** 190829 Added ARM support **/ #ifndef __LIBGRX_H_INCLUDED__ #define __LIBGRX_H_INCLUDED__ #define USE_GRX_INTERNAL_DEFINITIONS #include #include #include #ifndef __MGRX_H_INCLUDED__ #include "mgrx.h" #endif #ifndef NULL #define NULL ((void *)(0)) #endif #ifndef FALSE #define FALSE 0 #endif #ifndef TRUE #define TRUE 1 #endif /* x86 allow misaligned access to non byte location */ #if defined(__i386__) || defined(__x86_64__) || defined(__arm__) # define MISALIGNED_16bit_OK # define MISALIGNED_32bit_OK #endif /* need some n-bit types */ /* char should always be 8bit and short 16bit ... */ #define GR_int8 char #define GR_int16 short #if defined(__x86_64__) #define GR_int32 int #define GR_int64 long #define GR_PtrInt long #else #define GR_int32 long #define GR_PtrInt int #endif /* signed and unsigned variants of the above */ typedef signed GR_int8 GR_int8s; typedef signed GR_int16 GR_int16s; typedef signed GR_int32 GR_int32s; typedef unsigned GR_int8 GR_int8u; typedef unsigned GR_int16 GR_int16u; typedef unsigned GR_int32 GR_int32u; #ifdef GR_int64 typedef signed GR_int64 GR_int64s; typedef unsigned GR_int64 GR_int64u; #endif /* get system endian */ #if !defined(_BIG_ENDIAN) && !defined(_LITTLE_ENDIAN) # if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__) || defined(__arm__)) # define _LITTLE_ENDIAN # else # include # endif #endif #if defined(__BYTE_ORDER__) && !defined(BYTE_ORDER) # define BYTE_ORDER __BYTE_ORDER__ # define LITTLE_ENDIAN __ORDER_LITTLE_ENDIAN__ # define BIG_ENDIAN __ORDER_BIG_ENDIAN__ #endif #if !defined(BYTE_ORDER) && defined(_LITTLE_ENDIAN) #define LITTLE_ENDIAN 0x1234 #define BIG_ENDIAN 0x4321 #define BYTE_ORDER LITTLE_ENDIAN #endif #if !defined(BYTE_ORDER) && defined(_BIG_ENDIAN) #define LITTLE_ENDIAN 0x1234 #define BIG_ENDIAN 0x4321 #define BYTE_ORDER BIG_ENDIAN #endif #ifndef BYTE_ORDER #error Unknown byte ordering ! #endif /* sttcopy and sttzero */ #define sttcopy(dstp,srcp) memcpy((dstp),(srcp),sizeof(*(srcp))) #define sttzero(p) memset((p),0,sizeof(*(p))) /* Debug support */ #if defined(DEBUG) && !defined(__GRXDEBUG_H_INCLUDED__) # include "grxdebug.h" #endif #ifndef DBGPRINTF # define DBGPRINTF(chk,x) # define GRX_ENTER() # define GRX_LEAVE() # define GRX_RETURN(x) return x #endif /* simple pointer arithmetic */ #define ptrdiff(a,b) ( ((GR_int8 *)(a)) - ((GR_int8 *)(b)) ) #define ptradd(P,SKIP) ( (void *)( ((GR_int8 *)(P))+(SKIP)) ) #define ptrinc(P,SKIP) do (P) = ptradd((P),(SKIP)); while (0) /* function inline */ #ifdef __GNUC__ #define INLINE __inline__ #endif #ifndef INLINE #define INLINE #endif /* global library data structures */ extern struct _GR_driverInfo _GrDriverInfo; extern struct _GR_contextInfo _GrContextInfo; extern struct _GR_colorInfo _GrColorInfo; extern struct _GR_mouseInfo _GrMouseInfo; #define GrDriverInfo (&_GrDriverInfo) #define GrContextInfo (&_GrContextInfo) #define GrColorInfo (&_GrColorInfo) #define GrMouseInfo (&_GrMouseInfo) #define DRVINFO (&_GrDriverInfo) #define CXTINFO (&_GrContextInfo) #define CLRINFO (&_GrColorInfo) #define MOUINFO (&_GrMouseInfo) #define CURC (&(CXTINFO->current)) #define SCRN (&(CXTINFO->screen)) #define FDRV (&(DRVINFO->fdriver)) #define SDRV (&(DRVINFO->sdriver)) #define VDRV ( (DRVINFO->vdriver)) /* banking stuff */ #ifndef BANKHOOK #define BANKHOOK #endif #ifndef RWBANKHOOK #define RWBANKHOOK #endif #ifndef BANKPOS #define BANKPOS(offs) ((GR_int16u)(offs)) #endif #ifndef BANKNUM #define BANKNUM(offs) ((int)((GR_int32u)(offs) >> 16)) #endif #ifndef BANKLFT #define BANKLFT(offs) (0x10000 - BANKPOS(offs)) #endif #define SETBANK(bk) do { \ register int _bankval_ = (bk); \ DRVINFO->curbank = _bankval_; \ (*DRVINFO->setbank)(_bankval_); \ BANKHOOK; \ } while(0) #define SRWBANK(rb,wb) do { \ DRVINFO->curbank = (-1); \ (*DRVINFO->setrwbanks)((rb),(wb)); \ RWBANKHOOK; \ } while(0) #define CHKBANK(bk) do { \ register int _bankval_ = (bk); \ if(_bankval_ != DRVINFO->curbank) { \ DRVINFO->curbank = _bankval_; \ (*DRVINFO->setbank)(_bankval_); \ BANKHOOK; \ } \ } while(0) /* color stuff */ extern int _GR_firstFreeColor; /* can't access all colors on all systems */ extern int _GR_lastFreeColor; /* eg. X11 and other windowing systems */ int _GrResetColors(void); /* like GrResetColors but return true on success */ #define C_OPER(color) (unsigned int)(((GrColor)(color) >> 24) & 15) #define C_WRITE (int)(GrWRITE >> 24) #define C_XOR (int)(GrXOR >> 24) #define C_OR (int)(GrOR >> 24) #define C_AND (int)(GrAND >> 24) #define C_IMAGE (int)(GrIMAGE >> 24) #define C_COLOR GrCVALUEMASK /* mouse stuff */ #define mouse_block(c,x1,y1,x2,y2) { \ int __mouse_block_flag = 0; \ mouse_addblock(c,x1,y1,x2,y2); #define mouse_addblock(c,x1,y1,x2,y2) \ if(MOUINFO->docheck && (c)->gc_onscreen) { \ __mouse_block_flag |= (*MOUINFO->block)((c),(x1),(y1),(x2),(y2)); \ } #define mouse_unblock() \ if(__mouse_block_flag) { \ (*MOUINFO->unblock)(__mouse_block_flag); \ } } /* internal utility functions */ GrFrameDriver *_GrFindFrameDriver(GrFrameMode mode); GrFrameDriver *_GrFindRAMframeDriver(GrFrameMode mode); GrPixmap *_GrCreatePixmap(GrContext *ctx, int w,int h); GrColor _GrRadGradientColor(GrGradient *g, int x, int y, int xo, int yo); GrColor _GrLinGradientColor(GrGradient *g, int x, int y, int xo, int yo); void _GrCloseVideoDriver(void); void _GrDummyFunction(void); void _GrIniUserEncoding(void); /* called in GrSetMode */ int _GrRecode_CP437_UCS2(unsigned char src, long *des); int _GrRecode_CP850_UCS2(unsigned char src, long *des); int _GrRecode_CP1252_UCS2(unsigned char src, long *des); int _GrRecode_ISO88591_UCS2(unsigned char src, long *des); int _GrRecode_UTF8_UCS2(unsigned char *src, long *des); int _GrRecode_mgrx512_UCS2(unsigned short src, long *des); int _GrRecode_ISO88595_UCS2(unsigned char src, long *des); int _GrRecode_ISO88597_UCS2(unsigned char src, long *des); int _GrRecode_CP437Ext_UCS2(unsigned short src, long *des); int _GrRecode_UCS2_CP437(long src, unsigned char *des); int _GrRecode_UCS2_CP850(long src, unsigned char *des); int _GrRecode_UCS2_CP1252(long src, unsigned char *des); int _GrRecode_UCS2_ISO88591(long src, unsigned char *des); int _GrRecode_UCS2_UTF8(long src, unsigned char *des); int _GrRecode_UCS2_mgrx512(long src, long *des); int _GrRecode_UCS2_ISO88595(long src, unsigned char *des); int _GrRecode_UCS2_ISO88597(long src, unsigned char *des); int _GrRecode_UCS2_CP437Ext(long src, long *des); #ifdef __XWIN__ void _GrXwinEventGenExpose(int when); void _GrXwinEventGenWMEnd(int when); #endif #ifdef __WIN32__ void _GrW32EventGenWMEnd(int when); #endif #endif /* whole file */