/*** $Id: native.h,v 1.18 2003/11/22 11:49:29 weiym Exp $**** native.h: the head file of native Low Level Graphics Engine.**** Copyright (C) 2003 Feynman Software** Copyright (C) 2001 ~ 2002 Wei Yongming***/#ifndef GUI_GAL_NATIVE_H    #define GUI_GAL_NATIVE_H#include "common.h"#include "minigui.h"#include "gdi.h"#include "window.h"#include "gal.h"#ifdef __cplusplusextern "C" {#endif  /* __cplusplus *//* * Interface to Screen Device Driver * This structure is also allocated for memory (offscreen) drawing and blitting. *//* This structure is used to pass parameters into the low * level device driver functions. */typedef struct _screendevice {    int  doclip;    int  clipminx;        /* minimum x value of cache rectangle */    int  clipminy;        /* minimum y value of cache rectangle */    int  clipmaxx;        /* maximum x value of cache rectangle */    int  clipmaxy;        /* maximum y value of cache rectangle */    int  xres;        /* X screen res (real) */    int  yres;        /* Y screen res (real) */    int  xvirtres;    /* X drawing res (will be flipped in portrait mode) */    int  yvirtres;    /* Y drawing res (will be flipped in portrait mode) */    int  planes;        /* # planes*/    int  bpp;        /* # bits per pixel*/    int  linelen;    /* line length in bytes for bpp 1,2,4,8*/                /* line length in pixels for bpp 16, 24, 32*/    int  size;        /* size of memory allocated*/    gal_pixel gr_foreground;      /* current foreground color */    gal_pixel gr_background;      /* current background color */    int gr_mode;    long ncolors;    /* # screen colors */    int  pixtype;    /* format of pixel value */    int  flags;        /* device flags */    void *addr;        /* address of memory allocated (memdc or fb) */    void *dev_spec;    /* device specific field. */    PSD  (*Open)(PSD psd);    void (*Close)(PSD psd);    void (*SetPalette)(PSD psd,int first,int count,GAL_Color *cmap);    void (*GetPalette)(PSD psd,int first,int count,GAL_Color *cmap);    PSD  (*AllocateMemGC)(PSD psd);    BOOL (*MapMemGC)(PSD mempsd,int w,int h,int planes,int bpp, int linelen,int size,void *addr);    void (*FreeMemGC)(PSD mempsd);    BOOL (*ClipPoint)(PSD psd,int x,int y);    void (*FillRect)(PSD psd,int x,int y,int w,int h,gal_pixel c);    //==================================================================================//    void (*DrawPixel)(PSD psd, int x, int y, gal_pixel c);    gal_pixel (*ReadPixel)(PSD psd, int x, int y);    void (*DrawHLine)(PSD psd, int x, int y, int w, gal_pixel c);    void (*DrawVLine)(PSD psd, int x, int y, int w, gal_pixel c);    void (*Blit)(PSD dstpsd, int dstx, int dsty, int w, int h, PSD srcpsd, int srcx, int srcy);    void (*PutBox)( PSD psd, int x, int y, int w, int h, void* buf );    void (*GetBox)( PSD psd, int x, int y, int w, int h, void* buf );    void (*PutBoxMask)( PSD psd, int x, int y, int w, int h, void *buf, gal_pixel cxx);    void (*CopyBox)(PSD psd,int x1, int y1, int w, int h, int x2, int y2);    void (*UpdateRect) (PSD psd, int l, int t, int r, int b);//===================================================================================//} SCREENDEVICE;#ifdef _NATIVE_GAL_FBCONextern SCREENDEVICE    scrdev;    #endif#ifdef _NATIVE_GAL_QVFBextern SCREENDEVICE    qvfbdev;    #endif#ifdef _NATIVE_GAL_ECOSLCDextern SCREENDEVICE    ecoslcd;    #endifBOOL    InitNative(GFX* gfx);void    TermNative(GFX* gfx);/* genfunc.c*/void native_gen_initmemgc(PSD mempsd,int w,int h,int planes,int bpp,int linelen, int size,void *addr);PSD native_gen_allocatememgc(PSD psd);void native_gen_freememgc(PSD mempsd);void native_gen_fillrect(PSD psd,int x, int y, int w, int h, gal_pixel c);int native_gen_clippoint(PSD psd, int x ,int y);int native_gen_cliphline(PSD psd,int * px,int * py, int * pw);int native_gen_clipvline(PSD psd,int * px,int * py, int *ph);int native_gen_clipline (PSD psd,int * px1,int * py1, int * px2,int *py2);int cs_clipline(PSD psd,int *_x0, int *_y0, int *_x1, int *_y1, int *clip_first, int *clip_last);int native_gen_clipbox(PSD psd,int * px,int * py, int * pw,int *ph);int native_gen_calcmemgcalloc(PSD psd, unsigned int width, unsigned int height, int planes, int bpp, int *psize, int *plinelen);void native_gen_line(PSD psd, int x1, int y1, int x2, int y2, BOOL bDrawLastPoint);void native_gen_rect(PSD psd , int l, int t, int r, int b);void generate_palette(GAL_Color *pal, int num);void native_gen_circle(PSD psd, int sx, int sy, int r, int c);int native_gen_scalebox (PSD psd, int w1, int h1, void *_dp1, int w2, int h2, void *_dp2);/* end of genfunc.c*//* Drawing modes*/#define MODE_SET    0    /* draw pixels as given (default) */#define MODE_XOR    1    /* draw pixels using XOR */#define MODE_OR     2    /* draw pixels using OR (notimp)*/#define MODE_AND    3    /* draw pixels using AND (notimp)*/#define MODE_MAX    3/* Operations for the Blitter/Area functions */#define PSDOP_COPY    0#define PSDOP_COPYALL    1#define PSDOP_COPYTRANS 2#define PSDOP_ALPHAMAP    3#define PSDOP_ALPHACOL    4#define PSDOP_PIXMAP_COPYALL    5/*  * Pixel formats * Note the two pseudo pixel formats are never returned by display drivers, * but rather used as a data structure type in GrArea.  The other * types are both returned by display drivers and used as pixel packing * specifiers. */#define PF_RGB              0    /* pseudo, convert from packed 32 bit RGB */#define PF_gal_pixel        1    /* pseudo, no convert from packed gal_pixel */#define PF_PALETTE          2    /* pixel is packed 8 bits 1, 4 or 8 pal index */#define PF_TRUECOLOR0888    3    /* pixel is packed 32 bits 8/8/8 truecolor */#define PF_TRUECOLOR888     4    /* pixel is packed 24 bits 8/8/8 truecolor */#define PF_TRUECOLOR565     5    /* pixel is packed 16 bits 5/6/5 truecolor */#define PF_TRUECOLOR332     6    /* pixel is packed 8 bits 3/3/2 truecolor *//* Truecolor color conversion and extraction macros *//* * Conversion from RGB to gal_pixel *//* create 24 bit 8/8/8 format pixel (0x00RRGGBB) from RGB triplet*/#define RGB2PIXEL888(r,g,b)    \    (((r) << 16) | ((g) << 8) | (b))/* create 16 bit 5/6/5 format pixel from RGB triplet */#define RGB2PIXEL565(r,g,b)    \    ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))/* create 15 bit 5/5/5 format pixel from RGB triplet */#define RGB2PIXEL555(r,g,b)    \    ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3))/* create 8 bit 3/3/2 format pixel from RGB triplet*/#define RGB2PIXEL332(r,g,b)    \    (((r) & 0xe0) | (((g) & 0xe0) >> 3) | (((b) & 0xc0) >> 6))/* * Conversion from COLORVAL to gal_pixel *//* create 24 bit 8/8/8 format pixel from RGB colorval (0x00BBGGRR)*/#define COLOR2PIXEL888(c)    \    ((((c) & 0xff) << 16) | ((c) & 0xff00) | (((c) & 0xff0000) >> 16))/* create 16 bit 5/6/5 format pixel from RGB colorval (0x00BBGGRR)*/#define COLOR2PIXEL565(c)    \    ((((c) & 0xf8) << 8) | (((c) & 0xfc00) >> 5) | (((c) & 0xf80000) >> 19))/* create 15 bit 5/5/5 format pixel from RGB colorval (0x00BBGGRR)*/#define COLOR2PIXEL555(c)    \    ((((c) & 0xf8) << 7) | (((c) & 0xf800) >> 6) | (((c) & 0xf80000) >> 19))/* create 8 bit 3/3/2 format pixel from RGB colorval (0x00BBGGRR)*/#define COLOR2PIXEL332(c)    \    (((c) & 0xe0) | (((c) & 0xe000) >> 11) | (((c) & 0xc00000) >> 22))/* * Conversion from gal_pixel to red, green or blue components *//* return 8/8/8 bit r, g or b component of 24 bit gal_pixel*/#define PIXEL888RED(gal_pixel)        (((gal_pixel) >> 16) & 0xff)#define PIXEL888GREEN(gal_pixel)      (((gal_pixel) >> 8) & 0xff)#define PIXEL888BLUE(gal_pixel)       ((gal_pixel) & 0xff)/* return 5/6/5 bit r, g or b component of 16 bit gal_pixel*/#define PIXEL565RED(gal_pixel)        (((gal_pixel) >> 11) & 0x1f)#define PIXEL565GREEN(gal_pixel)      (((gal_pixel) >> 5) & 0x3f)#define PIXEL565BLUE(gal_pixel)       ((gal_pixel) & 0x1f)/* return 5/5/5 bit r, g or b component of 16 bit gal_pixel*/#define PIXEL555RED(gal_pixel)        (((gal_pixel) >> 10) & 0x1f)#define PIXEL555GREEN(gal_pixel)      (((gal_pixel) >> 5) & 0x1f)#define PIXEL555BLUE(gal_pixel)       ((gal_pixel) & 0x1f)/* return 3/3/2 bit r, g or b component of 8 bit gal_pixel*/#define PIXEL332RED(gal_pixel)        (((gal_pixel) >> 5) & 0x07)#define PIXEL332GREEN(gal_pixel)      (((gal_pixel) >> 2) & 0x07)#define PIXEL332BLUE(gal_pixel)       ((gal_pixel) & 0x03)/* PSD flags */#define PSF_SCREEN          0x0001    /* screen device */#define PSF_MEMORY          0x0002    /* memory device */#define PSF_ADDRMALLOC      0x0004    /* psd->addr was malloc'd */#define PSF_ADDRSHAREDMEM   0x0008    /* psd->addr is shared memory */#define PSF_MSBRIGHT        0x0010    /* Most significant bit is right */#define CLIP_VISIBLE        1#define CLIP_INVISIBLE      0#define CLIP_PARTIAL        -1#ifdef __cplusplus}#endif  /* __cplusplus */#endif  /* GUI_GAL_NATIVE_H */