| /*************************************************************************** |
| * __________ __ ___. |
| * Open \______ \ ____ ____ | | _\_ |__ _______ ___ |
| * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / |
| * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < |
| * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ |
| * \/ \/ \/ \/ \/ |
| * $Id$ |
| * |
| * Copyright (c) 2002 by Greg Haerr <greg@censoft.com> |
| * |
| * All files in this archive are subject to the GNU General Public License. |
| * See the file COPYING in the source tree root for full license agreement. |
| * |
| * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| * KIND, either express or implied. |
| * |
| ****************************************************************************/ |
| /* |
| * Incore font and image definitions |
| */ |
| #include "config.h" |
| |
| #if defined(HAVE_LCD_BITMAP) || defined(SIMULATOR) |
| |
| /* max static loadable fonts buffer*/ |
| #ifndef MAX_FONT_SIZE |
| #define MAX_FONT_SIZE 9000 /* max total fontsize allocation*/ |
| #endif |
| |
| /* |
| * Fonts are specified by number, and used for display |
| * of menu information as well as mp3 filename data. |
| * At system startup, up to MAXFONTS fonts are initialized, |
| * either by being compiled-in, or loaded from disk. |
| * If the font asked for does not exist, then the |
| * system uses the next lower font number. Font 0 |
| * must be available at system startup. |
| * Fonts are specified in firmware/font.c. |
| */ |
| #define FONT_SYSFIXED 0 /* system fixed pitch font*/ |
| #define FONT_UI 1 /* system porportional font*/ |
| #define FONT_MP3 2 /* font used for mp3 info*/ |
| #define MAXFONTS 3 /* max # fonts*/ |
| |
| /* |
| * .fnt (.rbf) loadable font file format definition |
| * |
| * format len description |
| * ------------------------- ---- ------------------------------ |
| * UCHAR version[4] 4 magic number and version bytes |
| * UCHAR name[64] 64 font name, space padded |
| * UCHAR copyright[256] 256 copyright info, space padded |
| * USHORT maxwidth 2 font max width in pixels |
| * USHORT height 2 font height in pixels |
| * USHORT ascent 2 font ascent (baseline) in pixels |
| * ULONG firstchar 4 first character code in font |
| * ULONG defaultchar 4 default character code in font |
| * ULONG size 4 # characters in font |
| * ULONG nbits 4 # words imagebits data in file |
| * ULONG noffset 4 # longs offset data in file |
| * ULONG nwidth 4 # bytes width data in file |
| * MWIMAGEBITS bits nbits*2 image bits variable data |
| * ULONG offset noffset*4 offset variable data |
| * UCHAR width nwidth*1 width variable data |
| */ |
| |
| /* loadable font magic and version #*/ |
| #define VERSION "RB10" |
| |
| /* MWIMAGEBITS helper macros*/ |
| #define MWIMAGE_WORDS(x) (((x)+15)/16) /* image size in words*/ |
| #define MWIMAGE_BYTES(x) (MWIMAGE_WORDS(x)*sizeof(MWIMAGEBITS)) |
| #define MWIMAGE_BITSPERIMAGE (sizeof(MWIMAGEBITS) * 8) |
| #define MWIMAGE_BITVALUE(n) ((MWIMAGEBITS) (((MWIMAGEBITS) 1) << (n))) |
| #define MWIMAGE_FIRSTBIT (MWIMAGE_BITVALUE(MWIMAGE_BITSPERIMAGE - 1)) |
| #define MWIMAGE_TESTBIT(m) ((m) & MWIMAGE_FIRSTBIT) |
| #define MWIMAGE_SHIFTBIT(m) ((MWIMAGEBITS) ((m) << 1)) |
| |
| typedef unsigned short MWIMAGEBITS; /* bitmap image unit size*/ |
| |
| /* builtin C-based proportional/fixed font structure */ |
| /* based on The Microwindows Project http://microwindows.org */ |
| typedef struct { |
| char * name; /* font name*/ |
| int maxwidth; /* max width in pixels*/ |
| unsigned int height; /* height in pixels*/ |
| int ascent; /* ascent (baseline) height*/ |
| int firstchar; /* first character in bitmap*/ |
| int size; /* font size in glyphs*/ |
| MWIMAGEBITS *bits; /* 16-bit right-padded bitmap data*/ |
| unsigned long *offset; /* offsets into bitmap data*/ |
| unsigned char *width; /* character widths or NULL if fixed*/ |
| int defaultchar; /* default char (not glyph index)*/ |
| long bits_size; /* # words of MWIMAGEBITS bits*/ |
| #if 0 |
| char * facename; /* facename of font*/ |
| char * copyright; /* copyright info for loadable fonts*/ |
| #endif |
| } MWCFONT, *PMWCFONT; |
| |
| /* structure for rockbox startup font selection*/ |
| struct corefont { |
| PMWCFONT pf; /* compiled-in or loaded font*/ |
| char *diskname; /* diskname if not compiled-in*/ |
| }; |
| |
| extern struct corefont sysfonts[MAXFONTS]; |
| |
| /* font routines*/ |
| PMWCFONT getfont(int font); |
| PMWCFONT rbf_load_font(char *path, PMWCFONT pf); |
| |
| void font_init(void); |
| |
| #else /* HAVE_LCD_BITMAP */ |
| |
| #define font_init() |
| |
| #endif |
| |
| /* ----------------------------------------------------------------- |
| * local variables: |
| * eval: (load-file "rockbox-mode.el") |
| * end: |
| */ |