www.pudn.com > emGUI.rar > devfont.h
/*
* Font Device
*
*
* COPYRIGHT (c) 2001 - 2010.
* emTech System Corporation.
*
* The license and distribution terms for this file may be
* found in found in the file LICENSE.
*/
/* Huangf emcore@263.net
*/
#ifndef __DEVFONT_h
#define __DEVFONT_h
typedef unsigned short MWIMAGEBITS; /* bitmap image unit size*/
/* MWIMAGEBITS macros*/
/* #define MWIMAGE_SIZE(width, height) ((height) * (((width) + MWIMAGE_BITSPERIMAGE - 1) / MWIMAGE_BITSPERIMAGE))
*/
#define MWIMAGE_WORDS(x) (((x)+15)/16)
#define MWIMAGE_BYTES(x) (((x)+7)/8)
#define MWIMAGE_BITSPERIMAGE (sizeof(MWIMAGEBITS) * 8)
#define MWIMAGE_FIRSTBIT ((MWIMAGEBITS) 0x8000)
#define MWIMAGE_NEXTBIT(m) ((MWIMAGEBITS) ((m) >> 1))
#define MWIMAGE_TESTBIT(m) ((m) & MWIMAGE_FIRSTBIT)
#define MWIMAGE_SHIFTBIT(m) ((MWIMAGEBITS) ((m) << 1))
/* GetFontInfo structure*/
typedef struct {
int maxwidth; /* maximum width of any char */
int height; /* height of font in pixels*/
int baseline; /* baseline (ascent) of font */
int firstchar; /* first character in font*/
int lastchar; /* last character in font*/
int fixed; /* TRUE if font is fixed width */
unsigned char widths[256]; /* table of character widths */
} MWFONTINFO, *PMWFONTINFO;
/* logical font descriptor*/
/* font classes - used internally*/
#define MWLF_CLASS_BUILTIN 1 /* Builtin fonts (bitmaps) */
#define MWLF_CLASS_FREETYPE 2 /* FreeType fonts in TT format */
#define MWLF_CLASS_T1LIB 3 /* T1LIB outlined Adobe Type 1 fonts */
#define MWLF_CLASS_ANY 4 /* Any font*/
#define MWLF_FACESIZE 64 /* max facename size*/
/* font type selection - lfOutPrecision*/
#define MWLF_TYPE_DEFAULT 0 /* any font*/
#define MWLF_TYPE_SCALED 4 /* outlined font (tt or adobe)*/
#define MWLF_TYPE_RASTER 5 /* raster only*/
#define MWLF_TYPE_TRUETYPE 7 /* truetype only*/
#define MWLF_TYPE_ADOBE 10 /* adobe type 1 only*/
/* font weights - lfWeight*/
#define MWLF_WEIGHT_DEFAULT 0 /* any weight*/
#define MWLF_WEIGHT_THIN 100 /* thin*/
#define MWLF_WEIGHT_EXTRALIGHT 200
#define MWLF_WEIGHT_LIGHT 300 /* light */
#define MWLF_WEIGHT_NORMAL 400 /* regular*/
#define MWLF_WEIGHT_REGULAR 400
#define MWLF_WEIGHT_MEDIUM 500 /* medium */
#define MWLF_WEIGHT_DEMIBOLD 600
#define MWLF_WEIGHT_BOLD 700 /* bold*/
#define MWLF_WEIGTH_EXTRABOLD 800
#define MWLF_WEIGHT_BLACK 900 /* black */
/* font charset - lfCharSet*/
#define MWLF_CHARSET_ANSI 0 /* win32 ansi*/
#define MWLF_CHARSET_DEFAULT 1 /* any charset*/
#define MWLF_CHARSET_UNICODE 254 /* unicode*/
#define MWLF_CHARSET_OEM 255 /* local hw*/
/* font pitch - lfPitch */
#define MWLF_PITCH_DEFAULT 0 /* any pitch */
#define MWLF_PITCH_ULTRACONDENSED 10
#define MWLF_PITCH_EXTRACONDENSED 20
#define MWLF_PITCH_CONDENSED 30
#define MWLF_PITCH_SEMICONDENSED 40
#define MWLF_PITCH_NORMAL 50
#define MWLF_PITCH_SEMIEXPANDED 60
#define MWLF_PITCH_EXPANDED 70
#define MWLF_PITCH_EXTRAEXPANDED 80
#define MWLF_PITCH_ULTRAEXPANDED 90
/* builtin font std names*/
#define MWFONT_SYSTEM_VAR "System" /* winSystem 14x16 (ansi)*/
#define MWFONT_GUI_VAR "Helvetica" /* winMSSansSerif 11x13 (ansi)*/
#define MWFONT_OEM_FIXED "Terminal" /* rom8x16 (oem)*/
#define MWFONT_SYSTEM_FIXED "SystemFixed" /* X6x13 (should be ansi)*/
/* Text/GetTextSize encoding flags*/
#define MWTF_ASCII 0x0000 /* 8 bit packing, ascii*/
#define MWTF_UTF8 0x0001 /* 8 bit packing, utf8*/
#define MWTF_UC16 0x0002 /* 16 bit packing, unicode 16*/
#define MWTF_UC32 0x0004 /* 32 bit packing, unicode 32*/
#define MWTF_PACKMASK 0x0007 /* packing mask*/
/* Text alignment flags*/
#define MWTF_TOP 0x0010 /* align on top*/
#define MWTF_BASELINE 0x0020 /* align on baseline*/
#define MWTF_BOTTOM 0x0040 /* align on bottom*/
/* SetFontAttr flags*/
#define MWTF_KERNING 0x1000 /* font kerning*/
#define MWTF_ANTIALIAS 0x2000 /* antialiased output*/
#define MWTF_UNDERLINE 0x4000 /* draw underline*/
/* builtin C-based proportional/fixed font structure*/
typedef struct {
char *name; /* font name*/
int maxwidth; /* max width in pixels*/
int height; /* height in pixels*/
int ascent; /* ascent (baseline) height*/
int firstchar; /* first character in bitmap*/
int size; /* font size in characters*/
MWIMAGEBITS *bits; /* 16-bit right-padded bitmap data*/
unsigned short *offset; /* 256 offsets into bitmap data*/
unsigned char *width; /* 256 character widths or 0 if fixed*/
} MWCFONT;
typedef MWCFONT *PMWCFONT;
/* draw procs associated with fonts. Strings are [re]packed using defencoding*/
typedef struct {
int encoding; /* routines expect this encoding*/
boolean (*GetFontInfo)(PMWFONT pfont, PMWFONTINFO pfontinfo);
void (*GetTextSize)(PMWFONT pfont, const void *text, int cc, int *pwidth, int *pheight, int *pbase);
void (*GetTextBits)(PMWFONT pfont, int ch, MWIMAGEBITS *retmap, int *pwidth, int *pheight, int *pbase);
void (*DestroyFont)(PMWFONT pfont);
void (*DrawText)(void *win, void *gc, int x, int y, const void *str, int count, int flags);
void (*SetFontSize)(PMWFONT pfont, int fontsize);
void (*SetFontRotation)(PMWFONT pfont, int tenthdegrees);
void (*SetFontAttr)(PMWFONT pfont, int setflags, int clrflags);
} MWFONTPROCS, *PMWFONTPROCS;
/* new multi-renderer font struct*/
typedef struct _mwfont { /* common hdr for all font structures*/
PMWFONTPROCS fontprocs; /* font-specific rendering routines*/
int fontsize; /* font height in pixels*/
int fontrotation; /* font rotation*/
int fontattr; /* font attributes: kerning/antialias*/
/* font-specific rendering data here*/
} MWFONT;
/* builtin core font struct*/
typedef struct {
PMWFONTPROCS fontprocs; /* common hdr*/
int fontsize;
int fontrotation;
int fontattr;
char *name; /* Microwindows font name*/
PMWCFONT cfont; /* builtin font data*/
} MWCOREFONT, *PMWCOREFONT;
#define NUMBER_FONTS 4 /* number of compiled-in fonts*/
/* entry points*/
boolean gen_getfontinfo(PMWFONT pfont, PMWFONTINFO pfontinfo);
void gen_gettextsize(PMWFONT pfont, const void *text, int cc, int *pwidth, int *pheight, int *pbase);
void gen_gettextbits(PMWFONT pfont, int ch, MWIMAGEBITS *retmap, int *pwidth, int *pheight, int *pbase);
void gen_unloadfont(PMWFONT pfont);
void corefont_drawtext(struct Window *win, struct GC *gc, int x, int y, const void *text, int cc, int flags);
void GrBitmap(
WndID win,
struct GC *gc,
int x,
int y,
int width,
int height,
MWIMAGEBITS *imagebits
);
/* local data*/
extern MWCOREFONT gen_fonts[NUMBER_FONTS];
#endif