/*
** $Id: native.h,v 1.20 2004/08/02 03:00:03 snig 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 __cplusplus
extern "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_FBCON
extern SCREENDEVICE scrdev;
#endif
#ifdef _NATIVE_GAL_QVFB
extern SCREENDEVICE qvfbdev;
#endif
#ifdef _NATIVE_GAL_COMMLCD
extern SCREENDEVICE commlcd;
#endif
BOOL 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)
/* create 16 bit 5/6/5 format pixel from RGB triplet */
#define RGB2PIXEL565(r,g,b) \
((((r) & 0xf8) 3))
/* create 15 bit 5/5/5 format pixel from RGB triplet */
#define RGB2PIXEL555(r,g,b) \
((((r) & 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))
/* create 16 bit 5/6/5 format pixel from RGB colorval (0x00BBGGRR)*/
#define COLOR2PIXEL565(c) \
((((c) & 0xf8) > 5) | (((c) & 0xf80000) >> 19))
/* create 15 bit 5/5/5 format pixel from RGB colorval (0x00BBGGRR)*/
#define COLOR2PIXEL555(c) \
((((c) & 0xf8) > 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 */
