20060303

1 files changed, 71 insertions, 0 deletions

diff --git a/os/boot/mpc/gnot.h b/os/boot/mpc/gnot.h
new file mode 100644
index 00000000..7b99e6bb
--- /dev/null
+++ b/os/boot/mpc/gnot.h
@@ -0,0 +1,71 @@
+
+extern void	*bbmalloc(int);
+extern void	bbfree(void *, int);
+extern int	bbonstack(void);
+extern void	bbexec(void(*)(void), int, int);
+
+/*
+ * Graphics types
+ */
+
+typedef	struct	GBitmap		GBitmap;
+typedef struct	GFont		GFont;
+typedef struct	GSubfont	GSubfont;
+typedef struct	GCacheinfo	GCacheinfo;
+
+struct	GBitmap
+{
+	ulong	*base;		/* pointer to start of data */
+	long	zero;		/* base+zero=&word containing (0,0) */
+	ulong	width;		/* width in 32 bit words of total data area */
+	int	ldepth;		/* log base 2 of number of bits per pixel */
+	Rectangle r;		/* rectangle in data area, local coords */
+	Rectangle clipr;	/* clipping region */
+	GBitmap	*cache;		/* zero; distinguishes bitmap from layer */
+};
+
+
+/*
+ * GFont etc. are not used in the library, only in devbit.c.
+ * GSubfont is only barely used.
+ */
+struct	GSubfont
+{
+	short	n;		/* number of chars in font */
+	char	height;		/* height of bitmap */
+	char	ascent;		/* top of bitmap to baseline */
+	Fontchar *info;		/* n+1 character descriptors */
+	GBitmap	*bits;		/* where the characters are */
+};
+struct GCacheinfo
+{
+	ulong		xright;	/* right edge of bits */
+	Fontchar;
+};
+
+struct GFont
+{
+	uchar		height;	/* max height of bitmap, interline spacing */
+	char		ascent;	/* top of bitmap to baseline */
+	char		width;	/* widest so far; used in caching only */	
+	char		ldepth;	/* of images */
+	short		id;	/* of font */
+	int		ncache;	/* number of entries in cache */
+	GCacheinfo	*cache;	/* cached characters */
+	GBitmap		*b;	/* cached images */
+};
+
+extern ulong	 *gaddr(GBitmap*, Point);
+extern uchar	 *gbaddr(GBitmap*, Point);
+extern void	 gbitblt(GBitmap*, Point, GBitmap*, Rectangle, Fcode);
+extern void	 gbitbltclip(void*);
+extern void	 gtexture(GBitmap*, Rectangle, GBitmap*, Fcode);
+extern Point	 gsubfstrsize(GSubfont*, char*);
+extern int	 gsubfstrwidth(GSubfont*, char*);
+extern Point	 gsubfstring(GBitmap*, Point, GSubfont*, char*, Fcode);
+extern Point	 gbitbltstring(GBitmap*, Point, GSubfont*, char*, Fcode);
+extern void	 gsegment(GBitmap*, Point, Point, int, Fcode);
+extern void	 gpoint(GBitmap*, Point, int, Fcode);
+extern void	 gflushcpucache(void);
+extern GBitmap*	 gballoc(Rectangle, int);
+extern void	 gbfree(GBitmap*);