removing (outdated) drawterm

drawterm is much better maintained by russ cox,
so removing this outdated copy.

for a more recent version, go to:

http://swtch.com/drawterm/

1 files changed, 0 insertions, 210 deletions

diff --git a/sys/src/cmd/unix/drawterm/include/memdraw.h b/sys/src/cmd/unix/drawterm/include/memdraw.h
deleted file mode 100644
index ba0c2dad2..000000000
--- a/sys/src/cmd/unix/drawterm/include/memdraw.h
+++ /dev/null
@@ -1,210 +0,0 @@
-#ifdef PLAN9
-#pragma	src	"/sys/src/libmemdraw"
-#pragma	lib	"libmemdraw.a"
-#endif
-
-typedef struct	Memimage Memimage;
-typedef struct	Memdata Memdata;
-typedef struct	Memsubfont Memsubfont;
-typedef struct	Memlayer Memlayer;
-typedef struct	Memcmap Memcmap;
-typedef struct	Memdrawparam	Memdrawparam;
-
-/*
- * Memdata is allocated from main pool, but .data from the image pool.
- * Memdata is allocated separately to permit patching its pointer after
- * compaction when windows share the image data.
- * The first word of data is a back pointer to the Memdata, to find
- * The word to patch.
- */
-
-struct Memdata
-{
-	ulong	*base;	/* allocated data pointer */
-	uchar	*bdata;	/* pointer to first byte of actual data; word-aligned */
-	int		ref;		/* number of Memimages using this data */
-	void*	imref;
-	int		allocd;	/* is this malloc'd? */
-};
-
-enum {
-	Frepl		= 1<<0,	/* is replicated */
-	Fsimple	= 1<<1,	/* is 1x1 */
-	Fgrey	= 1<<2,	/* is grey */
-	Falpha	= 1<<3,	/* has explicit alpha */
-	Fcmap	= 1<<4,	/* has cmap channel */
-	Fbytes	= 1<<5,	/* has only 8-bit channels */
-};
-
-struct Memimage
-{
-	Rectangle	r;		/* rectangle in data area, local coords */
-	Rectangle	clipr;		/* clipping region */
-	int		depth;	/* number of bits of storage per pixel */
-	int		nchan;	/* number of channels */
-	ulong	chan;	/* channel descriptions */
-	Memcmap	*cmap;
-
-	Memdata	*data;	/* pointer to data; shared by windows in this image */
-	int		zero;		/* data->bdata+zero==&byte containing (0,0) */
-	ulong	width;	/* width in words of a single scan line */
-	Memlayer	*layer;	/* nil if not a layer*/
-	ulong	flags;
-
-	int		shift[NChan];
-	int		mask[NChan];
-	int		nbits[NChan];
-
-	void	*X;
-};
-
-struct Memcmap
-{
-	uchar	cmap2rgb[3*256];
-	uchar	rgb2cmap[16*16*16];
-};
-
-/*
- * Subfonts
- *
- * given char c, Subfont *f, Fontchar *i, and Point p, one says
- *	i = f->info+c;
- *	draw(b, Rect(p.x+i->left, p.y+i->top,
- *		p.x+i->left+((i+1)->x-i->x), p.y+i->bottom),
- *		color, f->bits, Pt(i->x, i->top));
- *	p.x += i->width;
- * to draw characters in the specified color (itself a Memimage) in Memimage b.
- */
-
-struct	Memsubfont
-{
-	char		*name;
-	short	n;		/* number of chars in font */
-	uchar	height;		/* height of bitmap */
-	char	ascent;		/* top of bitmap to baseline */
-	Fontchar *info;		/* n+1 character descriptors */
-	Memimage	*bits;		/* of font */
-};
-
-/*
- * Encapsulated parameters and information for sub-draw routines.
- */
-enum {
-	Simplesrc=1<<0,
-	Simplemask=1<<1,
-	Replsrc=1<<2,
-	Replmask=1<<3,
-	Fullmask=1<<4,
-};
-struct	Memdrawparam
-{
-	Memimage *dst;
-	Rectangle	r;
-	Memimage *src;
-	Rectangle sr;
-	Memimage *mask;
-	Rectangle mr;
-	int op;
-
-	ulong state;
-	ulong mval;	/* if Simplemask, the mask pixel in mask format */
-	ulong mrgba;	/* mval in rgba */
-	ulong sval;	/* if Simplesrc, the source pixel in src format */
-	ulong srgba;	/* sval in rgba */
-	ulong sdval;	/* sval in dst format */
-};
-
-/*
- * Memimage management
- */
-
-extern Memimage*	allocmemimage(Rectangle, ulong);
-extern Memimage*	_allocmemimage(Rectangle, ulong);
-extern Memimage*	allocmemimaged(Rectangle, ulong, Memdata*, void*);
-extern Memimage*	readmemimage(int);
-extern Memimage*	creadmemimage(int);
-extern int	writememimage(int, Memimage*);
-extern void	freememimage(Memimage*);
-extern void	_freememimage(Memimage*);
-extern int		_loadmemimage(Memimage*, Rectangle, uchar*, int);
-extern int		_cloadmemimage(Memimage*, Rectangle, uchar*, int);
-extern int		_unloadmemimage(Memimage*, Rectangle, uchar*, int);
-extern int		loadmemimage(Memimage*, Rectangle, uchar*, int);
-extern int		cloadmemimage(Memimage*, Rectangle, uchar*, int);
-extern int		unloadmemimage(Memimage*, Rectangle, uchar*, int);
-extern ulong*	wordaddr(Memimage*, Point);
-extern uchar*	byteaddr(Memimage*, Point);
-extern int		drawclip(Memimage*, Rectangle*, Memimage*, Point*, Memimage*, Point*, Rectangle*, Rectangle*);
-extern void	memfillcolor(Memimage*, ulong);
-extern void	_memfillcolor(Memimage*, ulong);
-extern int		memsetchan(Memimage*, ulong);
-extern ulong	_rgbatoimg(Memimage*, ulong);
-
-/*
- * Graphics
- */
-extern void	memdraw(Memimage*, Rectangle, Memimage*, Point, Memimage*, Point, int);
-extern void	memline(Memimage*, Point, Point, int, int, int, Memimage*, Point, int);
-extern void	mempoly(Memimage*, Point*, int, int, int, int, Memimage*, Point, int);
-extern void	memfillpoly(Memimage*, Point*, int, int, Memimage*, Point, int);
-extern void	_memfillpolysc(Memimage*, Point*, int, int, Memimage*, Point, int, int, int, int);
-extern Memdrawparam*	_memimagedrawsetup(Memimage*, Rectangle, Memimage*, Point, Memimage*, Point, int);
-extern void	_memimagedraw(Memdrawparam*);
-extern void	memimagedraw(Memimage*, Rectangle, Memimage*, Point, Memimage*, Point, int);
-extern int	hwdraw(Memdrawparam*);
-extern void	memimageline(Memimage*, Point, Point, int, int, int, Memimage*, Point, int);
-extern void	_memimageline(Memimage*, Point, Point, int, int, int, Memimage*, Point, Rectangle, int);
-extern Point	memimagestring(Memimage*, Point, Memimage*, Point, Memsubfont*, char*);
-extern void	memellipse(Memimage*, Point, int, int, int, Memimage*, Point, int);
-extern void	memarc(Memimage*, Point, int, int, int, Memimage*, Point, int, int, int);
-extern Rectangle	memlinebbox(Point, Point, int, int, int);
-extern int	memlineendsize(int);
-extern void	_memmkcmap(void);
-extern void	_memimageinit(void);
-extern void	memimageinit(void);
-
-/*
- * Subfont management
- */
-extern Memsubfont*	allocmemsubfont(char*, int, int, int, Fontchar*, Memimage*);
-extern Memsubfont*	openmemsubfont(char*);
-extern void	freememsubfont(Memsubfont*);
-extern Point	memsubfontwidth(Memsubfont*, char*);
-extern Memsubfont*	getmemdefont(void);
-
-/*
- * Predefined 
- */
-extern	Memimage*	memwhite;
-extern	Memimage*	memblack;
-extern	Memimage*	memopaque;
-extern	Memimage*	memtransparent;
-extern	Memcmap	*memdefcmap;
-
-/*
- * Kernel interface
- */
-void		memimagemove(void*, void*);
-
-/*
- * Kernel cruft
- */
-extern void	rdb(void);
-extern int		iprint(char*, ...);
-extern int		drawdebug;
-
-/*
- * doprint interface: numbconv bit strings
- */
-#ifdef VARARGCK
-#pragma varargck argpos iprint 1
-#pragma varargck type "llb" vlong
-#pragma varargck type "llb" uvlong
-#pragma varargck type "lb" long
-#pragma varargck type "lb" ulong
-#pragma varargck type "b" int
-#pragma varargck type "b" uint
-#endif
-
-extern ulong _pixelbits(Memimage*,Point);
-extern ulong pixelbits(Memimage*, Point);