removing (outdated) drawterm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so removing this outdated copy.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, 523 deletions

diff --git a/sys/src/cmd/unix/drawterm/include/draw.h b/sys/src/cmd/unix/drawterm/include/draw.h
deleted file mode 100644
index 712ddbdcd..000000000
--- a/sys/src/cmd/unix/drawterm/include/draw.h
+++ /dev/null
@@ -1,523 +0,0 @@
-#ifdef PLAN9
-#pragma src "/sys/src/libdraw"
-#pragma lib "libdraw.a"
-#endif
-
-typedef struct	Cachefont Cachefont;
-typedef struct	Cacheinfo Cacheinfo;
-typedef struct	Cachesubf Cachesubf;
-typedef struct	Display Display;
-typedef struct	Font Font;
-typedef struct	Fontchar Fontchar;
-typedef struct	Image Image;
-typedef struct	Mouse Mouse;
-typedef struct	Point Point;
-typedef struct	Rectangle Rectangle;
-typedef struct	RGB RGB;
-typedef struct	Screen Screen;
-typedef struct	Subfont Subfont;
-
-#ifdef VARARGCK
-#pragma varargck	type	"R"	Rectangle
-#pragma varargck	type	"P"	Point
-#endif
-extern	int	Rfmt(Fmt*);
-extern	int	Pfmt(Fmt*);
-
-enum
-{
-	DOpaque		= 0xFFFFFFFF,
-	DTransparent	= 0x00000000,		/* only useful for allocimage, memfillcolor */
-	DBlack		= 0x000000FF,
-	DWhite		= 0xFFFFFFFF,
-	DRed		= 0xFF0000FF,
-	DGreen		= 0x00FF00FF,
-	DBlue		= 0x0000FFFF,
-	DCyan		= 0x00FFFFFF,
-	DMagenta		= 0xFF00FFFF,
-	DYellow		= 0xFFFF00FF,
-	DPaleyellow	= 0xFFFFAAFF,
-	DDarkyellow	= 0xEEEE9EFF,
-	DDarkgreen	= 0x448844FF,
-	DPalegreen	= 0xAAFFAAFF,
-	DMedgreen	= 0x88CC88FF,
-	DDarkblue	= 0x000055FF,
-	DPalebluegreen= 0xAAFFFFFF,
-	DPaleblue		= 0x0000BBFF,
-	DBluegreen	= 0x008888FF,
-	DGreygreen	= 0x55AAAAFF,
-	DPalegreygreen	= 0x9EEEEEFF,
-	DYellowgreen	= 0x99994CFF,
-	DMedblue		= 0x000099FF,
-	DGreyblue	= 0x005DBBFF,
-	DPalegreyblue	= 0x4993DDFF,
-	DPurpleblue	= 0x8888CCFF,
-
-	DNotacolor	= 0xFFFFFF00,
-	DNofill		= DNotacolor,
-	
-};
-
-enum
-{
-	Displaybufsize	= 8000,
-	ICOSSCALE	= 1024,
-	Borderwidth =	4,
-};
-
-enum
-{
-	/* refresh methods */
-	Refbackup	= 0,
-	Refnone		= 1,
-	Refmesg		= 2
-};
-#define	NOREFRESH	((void*)-1)
-
-enum
-{
-	/* line ends */
-	Endsquare	= 0,
-	Enddisc		= 1,
-	Endarrow	= 2,
-	Endmask		= 0x1F
-};
-
-#define	ARROW(a, b, c)	(Endarrow|((a)<<5)|((b)<<14)|((c)<<23))
-
-typedef enum
-{
-	/* Porter-Duff compositing operators */
-	Clear	= 0,
-
-	SinD	= 8,
-	DinS	= 4,
-	SoutD	= 2,
-	DoutS	= 1,
-
-	S		= SinD|SoutD,
-	SoverD	= SinD|SoutD|DoutS,
-	SatopD	= SinD|DoutS,
-	SxorD	= SoutD|DoutS,
-
-	D		= DinS|DoutS,
-	DoverS	= DinS|DoutS|SoutD,
-	DatopS	= DinS|SoutD,
-	DxorS	= DoutS|SoutD,	/* == SxorD */
-
-	Ncomp = 12,
-} Drawop;
-
-/*
- * image channel descriptors 
- */
-enum {
-	CRed = 0,
-	CGreen,
-	CBlue,
-	CGrey,
-	CAlpha,
-	CMap,
-	CIgnore,
-	NChan,
-};
-
-#define __DC(type, nbits)	((((type)&15)<<4)|((nbits)&15))
-#define CHAN1(a,b)	__DC(a,b)
-#define CHAN2(a,b,c,d)	(CHAN1((a),(b))<<8|__DC((c),(d)))
-#define CHAN3(a,b,c,d,e,f)	(CHAN2((a),(b),(c),(d))<<8|__DC((e),(f)))
-#define CHAN4(a,b,c,d,e,f,g,h)	(CHAN3((a),(b),(c),(d),(e),(f))<<8|__DC((g),(h)))
-
-#define NBITS(c) ((c)&15)
-#define TYPE(c) (((c)>>4)&15)
-
-enum {
-	GREY1	= CHAN1(CGrey, 1),
-	GREY2	= CHAN1(CGrey, 2),
-	GREY4	= CHAN1(CGrey, 4),
-	GREY8	= CHAN1(CGrey, 8),
-	CMAP8	= CHAN1(CMap, 8),
-	RGB15	= CHAN4(CIgnore, 1, CRed, 5, CGreen, 5, CBlue, 5),
-	RGB16	= CHAN3(CRed, 5, CGreen, 6, CBlue, 5),
-	RGB24	= CHAN3(CRed, 8, CGreen, 8, CBlue, 8),
-	BGR24	= CHAN3(CBlue, 8, CGreen, 8, CRed, 8),
-	RGBA32	= CHAN4(CRed, 8, CGreen, 8, CBlue, 8, CAlpha, 8),
-	ARGB32	= CHAN4(CAlpha, 8, CRed, 8, CGreen, 8, CBlue, 8),	/* stupid VGAs */
-	XRGB32  = CHAN4(CIgnore, 8, CRed, 8, CGreen, 8, CBlue, 8),
-	XBGR32  = CHAN4(CIgnore, 8, CBlue, 8, CGreen, 8, CRed, 8),
-};
-
-extern	char*	chantostr(char*, ulong);
-extern	ulong	strtochan(char*);
-extern	int		chantodepth(ulong);
-
-struct	Point
-{
-	int	x;
-	int	y;
-};
-
-struct Rectangle
-{
-	Point	min;
-	Point	max;
-};
-
-typedef void	(*Reffn)(Image*, Rectangle, void*);
-
-struct Screen
-{
-	Display	*display;	/* display holding data */
-	int	id;		/* id of system-held Screen */
-	Image	*image;		/* unused; for reference only */
-	Image	*fill;		/* color to paint behind windows */
-};
-
-struct Display
-{
-	QLock	qlock;
-	int		locking;	/*program is using lockdisplay */
-	int		dirno;
-	int		fd;
-	int		reffd;
-	int		ctlfd;
-	int		imageid;
-	int		local;
-	void		(*error)(Display*, char*);
-	char		*devdir;
-	char		*windir;
-	char		oldlabel[64];
-	ulong		dataqid;
-	Image		*white;
-	Image		*black;
-	Image		*opaque;
-	Image		*transparent;
-	Image		*image;
-	uchar		*buf;
-	int			bufsize;
-	uchar		*bufp;
-	Font		*defaultfont;
-	Subfont		*defaultsubfont;
-	Image		*windows;
-	Image		*screenimage;
-	int			_isnewdisplay;
-};
-
-struct Image
-{
-	Display		*display;	/* display holding data */
-	int		id;		/* id of system-held Image */
-	Rectangle	r;		/* rectangle in data area, local coords */
-	Rectangle 	clipr;		/* clipping region */
-	int		depth;		/* number of bits per pixel */
-	ulong	chan;
-	int		repl;		/* flag: data replicates to tile clipr */
-	Screen		*screen;	/* 0 if not a window */
-	Image		*next;	/* next in list of windows */
-};
-
-struct RGB
-{
-	ulong	red;
-	ulong	green;
-	ulong	blue;
-};
-
-/*
- * 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 an Image) in Image b.
- */
-
-struct	Fontchar
-{
-	int		x;		/* left edge of bits */
-	uchar		top;		/* first non-zero scan-line */
-	uchar		bottom;		/* last non-zero scan-line + 1 */
-	char		left;		/* offset of baseline */
-	uchar		width;		/* width of baseline */
-};
-
-struct	Subfont
-{
-	char		*name;
-	short		n;		/* number of chars in font */
-	uchar		height;		/* height of image */
-	char		ascent;		/* top of image to baseline */
-	Fontchar 	*info;		/* n+1 character descriptors */
-	Image		*bits;		/* of font */
-	int		ref;
-};
-
-enum
-{
-	/* starting values */
-	LOG2NFCACHE =	6,
-	NFCACHE =	(1<<LOG2NFCACHE),	/* #chars cached */
-	NFLOOK =	5,			/* #chars to scan in cache */
-	NFSUBF =	2,			/* #subfonts to cache */
-	/* max value */
-	MAXFCACHE =	1024+NFLOOK,		/* upper limit */
-	MAXSUBF =	50,			/* generous upper limit */
-	/* deltas */
-	DSUBF = 	4,
-	/* expiry ages */
-	SUBFAGE	=	10000,
-	CACHEAGE =	10000
-};
-
-struct Cachefont
-{
-	Rune		min;	/* lowest rune value to be taken from subfont */
-	Rune		max;	/* highest rune value+1 to be taken from subfont */
-	int		offset;	/* position in subfont of character at min */
-	char		*name;			/* stored in font */
-	char		*subfontname;		/* to access subfont */
-};
-
-struct Cacheinfo
-{
-	ushort		x;		/* left edge of bits */
-	uchar		width;		/* width of baseline */
-	schar		left;		/* offset of baseline */
-	Rune		value;	/* value of character at this slot in cache */
-	ushort		age;
-};
-
-struct Cachesubf
-{
-	ulong		age;	/* for replacement */
-	Cachefont	*cf;	/* font info that owns us */
-	Subfont		*f;	/* attached subfont */
-};
-
-struct Font
-{
-	char		*name;
-	Display		*display;
-	short		height;	/* max height of image, interline spacing */
-	short		ascent;	/* top of image to baseline */
-	short		width;	/* widest so far; used in caching only */	
-	short		nsub;	/* number of subfonts */
-	ulong		age;	/* increasing counter; used for LRU */
-	int		maxdepth;	/* maximum depth of all loaded subfonts */
-	int		ncache;	/* size of cache */
-	int		nsubf;	/* size of subfont list */
-	Cacheinfo	*cache;
-	Cachesubf	*subf;
-	Cachefont	**sub;	/* as read from file */
-	Image		*cacheimage;
-};
-
-#define	Dx(r)	((r).max.x-(r).min.x)
-#define	Dy(r)	((r).max.y-(r).min.y)
-
-/*
- * Image management
- */
-extern Image*	_allocimage(Image*, Display*, Rectangle, ulong, int, ulong, int, int);
-extern Image*	allocimage(Display*, Rectangle, ulong, int, ulong);
-extern uchar*	bufimage(Display*, int);
-extern int	bytesperline(Rectangle, int);
-extern void	closedisplay(Display*);
-extern void	drawerror(Display*, char*);
-extern int	flushimage(Display*, int);
-extern int	freeimage(Image*);
-extern int	_freeimage1(Image*);
-extern int	geninitdraw(char*, void(*)(Display*, char*), char*, char*, char*, int);
-extern int	initdraw(void(*)(Display*, char*), char*, char*);
-extern int	newwindow(char*);
-extern Display*	initdisplay(char*, char*, void(*)(Display*, char*));
-extern int	loadimage(Image*, Rectangle, uchar*, int);
-extern int	cloadimage(Image*, Rectangle, uchar*, int);
-extern int	getwindow(Display*, int);
-extern int	gengetwindow(Display*, char*, Image**, Screen**, int);
-extern Image* readimage(Display*, int, int);
-extern Image* creadimage(Display*, int, int);
-extern int	unloadimage(Image*, Rectangle, uchar*, int);
-extern int	wordsperline(Rectangle, int);
-extern int	writeimage(int, Image*, int);
-extern Image*	namedimage(Display*, char*);
-extern int	nameimage(Image*, char*, int);
-extern Image* allocimagemix(Display*, ulong, ulong);
-
-/*
- * Colors
- */
-extern	void	readcolmap(Display*, RGB*);
-extern	void	writecolmap(Display*, RGB*);
-extern	ulong	setalpha(ulong, uchar);
-
-/*
- * Windows
- */
-extern Screen*	allocscreen(Image*, Image*, int);
-extern Image*	_allocwindow(Image*, Screen*, Rectangle, int, ulong);
-extern Image*	allocwindow(Screen*, Rectangle, int, ulong);
-extern void	bottomnwindows(Image**, int);
-extern void	bottomwindow(Image*);
-extern int	freescreen(Screen*);
-extern Screen*	publicscreen(Display*, int, ulong);
-extern void	topnwindows(Image**, int);
-extern void	topwindow(Image*);
-extern int	originwindow(Image*, Point, Point);
-
-/*
- * Geometry
- */
-extern Point		Pt(int, int);
-extern Rectangle	Rect(int, int, int, int);
-extern Rectangle	Rpt(Point, Point);
-extern Point		addpt(Point, Point);
-extern Point		subpt(Point, Point);
-extern Point		divpt(Point, int);
-extern Point		mulpt(Point, int);
-extern int		eqpt(Point, Point);
-extern int		eqrect(Rectangle, Rectangle);
-extern Rectangle	insetrect(Rectangle, int);
-extern Rectangle	rectaddpt(Rectangle, Point);
-extern Rectangle	rectsubpt(Rectangle, Point);
-extern Rectangle	canonrect(Rectangle);
-extern int		rectXrect(Rectangle, Rectangle);
-extern int		rectinrect(Rectangle, Rectangle);
-extern void		combinerect(Rectangle*, Rectangle);
-extern int		rectclip(Rectangle*, Rectangle);
-extern int		ptinrect(Point, Rectangle);
-extern void		replclipr(Image*, int, Rectangle);
-extern int		drawreplxy(int, int, int);	/* used to be drawsetxy */
-extern Point	drawrepl(Rectangle, Point);
-extern int		rgb2cmap(int, int, int);
-extern int		cmap2rgb(int);
-extern int		cmap2rgba(int);
-extern void		icossin(int, int*, int*);
-extern void		icossin2(int, int, int*, int*);
-
-/*
- * Graphics
- */
-extern void	draw(Image*, Rectangle, Image*, Image*, Point);
-extern void	drawop(Image*, Rectangle, Image*, Image*, Point, Drawop);
-extern void	gendraw(Image*, Rectangle, Image*, Point, Image*, Point);
-extern void	gendrawop(Image*, Rectangle, Image*, Point, Image*, Point, Drawop);
-extern void	line(Image*, Point, Point, int, int, int, Image*, Point);
-extern void	lineop(Image*, Point, Point, int, int, int, Image*, Point, Drawop);
-extern void	poly(Image*, Point*, int, int, int, int, Image*, Point);
-extern void	polyop(Image*, Point*, int, int, int, int, Image*, Point, Drawop);
-extern void	fillpoly(Image*, Point*, int, int, Image*, Point);
-extern void	fillpolyop(Image*, Point*, int, int, Image*, Point, Drawop);
-extern Point	string(Image*, Point, Image*, Point, Font*, char*);
-extern Point	stringop(Image*, Point, Image*, Point, Font*, char*, Drawop);
-extern Point	stringn(Image*, Point, Image*, Point, Font*, char*, int);
-extern Point	stringnop(Image*, Point, Image*, Point, Font*, char*, int, Drawop);
-extern Point	runestring(Image*, Point, Image*, Point, Font*, Rune*);
-extern Point	runestringop(Image*, Point, Image*, Point, Font*, Rune*, Drawop);
-extern Point	runestringn(Image*, Point, Image*, Point, Font*, Rune*, int);
-extern Point	runestringnop(Image*, Point, Image*, Point, Font*, Rune*, int, Drawop);
-extern Point	stringbg(Image*, Point, Image*, Point, Font*, char*, Image*, Point);
-extern Point	stringbgop(Image*, Point, Image*, Point, Font*, char*, Image*, Point, Drawop);
-extern Point	stringnbg(Image*, Point, Image*, Point, Font*, char*, int, Image*, Point);
-extern Point	stringnbgop(Image*, Point, Image*, Point, Font*, char*, int, Image*, Point, Drawop);
-extern Point	runestringbg(Image*, Point, Image*, Point, Font*, Rune*, Image*, Point);
-extern Point	runestringbgop(Image*, Point, Image*, Point, Font*, Rune*, Image*, Point, Drawop);
-extern Point	runestringnbg(Image*, Point, Image*, Point, Font*, Rune*, int, Image*, Point);
-extern Point	runestringnbgop(Image*, Point, Image*, Point, Font*, Rune*, int, Image*, Point, Drawop);
-extern Point	_string(Image*, Point, Image*, Point, Font*, char*, Rune*, int, Rectangle, Image*, Point, Drawop);
-extern Point	stringsubfont(Image*, Point, Image*, Subfont*, char*);
-extern int		bezier(Image*, Point, Point, Point, Point, int, int, int, Image*, Point);
-extern int		bezierop(Image*, Point, Point, Point, Point, int, int, int, Image*, Point, Drawop);
-extern int		bezspline(Image*, Point*, int, int, int, int, Image*, Point);
-extern int		bezsplineop(Image*, Point*, int, int, int, int, Image*, Point, Drawop);
-extern int		bezsplinepts(Point*, int, Point**);
-extern int		fillbezier(Image*, Point, Point, Point, Point, int, Image*, Point);
-extern int		fillbezierop(Image*, Point, Point, Point, Point, int, Image*, Point, Drawop);
-extern int		fillbezspline(Image*, Point*, int, int, Image*, Point);
-extern int		fillbezsplineop(Image*, Point*, int, int, Image*, Point, Drawop);
-extern void	ellipse(Image*, Point, int, int, int, Image*, Point);
-extern void	ellipseop(Image*, Point, int, int, int, Image*, Point, Drawop);
-extern void	fillellipse(Image*, Point, int, int, Image*, Point);
-extern void	fillellipseop(Image*, Point, int, int, Image*, Point, Drawop);
-extern void	arc(Image*, Point, int, int, int, Image*, Point, int, int);
-extern void	arcop(Image*, Point, int, int, int, Image*, Point, int, int, Drawop);
-extern void	fillarc(Image*, Point, int, int, Image*, Point, int, int);
-extern void	fillarcop(Image*, Point, int, int, Image*, Point, int, int, Drawop);
-extern void	border(Image*, Rectangle, int, Image*, Point);
-extern void	borderop(Image*, Rectangle, int, Image*, Point, Drawop);
-
-/*
- * Font management
- */
-extern Font*	openfont(Display*, char*);
-extern Font*	buildfont(Display*, char*, char*);
-extern void	freefont(Font*);
-extern Font*	mkfont(Subfont*, Rune);
-extern int	cachechars(Font*, char**, Rune**, ushort*, int, int*, char**);
-extern void	agefont(Font*);
-extern Subfont*	allocsubfont(char*, int, int, int, Fontchar*, Image*);
-extern Subfont*	lookupsubfont(Display*, char*);
-extern void	installsubfont(char*, Subfont*);
-extern void	uninstallsubfont(Subfont*);
-extern void	freesubfont(Subfont*);
-extern Subfont*	readsubfont(Display*, char*, int, int);
-extern Subfont*	readsubfonti(Display*, char*, int, Image*, int);
-extern int	writesubfont(int, Subfont*);
-extern void	_unpackinfo(Fontchar*, uchar*, int);
-extern Point	stringsize(Font*, char*);
-extern int	stringwidth(Font*, char*);
-extern int	stringnwidth(Font*, char*, int);
-extern Point	runestringsize(Font*, Rune*);
-extern int	runestringwidth(Font*, Rune*);
-extern int	runestringnwidth(Font*, Rune*, int);
-extern Point	strsubfontwidth(Subfont*, char*);
-extern int	loadchar(Font*, Rune, Cacheinfo*, int, int, char**);
-extern char*	subfontname(char*, char*, int);
-extern Subfont*	_getsubfont(Display*, char*);
-extern Subfont*	getdefont(Display*);
-extern void		lockdisplay(Display*);
-extern void	unlockdisplay(Display*);
-extern int		drawlsetrefresh(ulong, int, void*, void*);
-
-/*
- * Predefined 
- */
-extern	uchar	defontdata[];
-extern	int		sizeofdefont;
-extern	Point		ZP;
-extern	Rectangle	ZR;
-
-/*
- * Set up by initdraw()
- */
-extern	Display	*display;
-extern	Font		*font;
-/* extern	Image	*screen; */
-extern	Screen	*_screen;
-extern	int	_cursorfd;
-extern	int	_drawdebug;	/* set to 1 to see errors from flushimage */
-extern	void	_setdrawop(Display*, Drawop);
-
-#define	BGSHORT(p)		(((p)[0]<<0) | ((p)[1]<<8))
-#define	BGLONG(p)		((BGSHORT(p)<<0) | (BGSHORT(p+2)<<16))
-#define	BPSHORT(p, v)		((p)[0]=(v), (p)[1]=((v)>>8))
-#define	BPLONG(p, v)		(BPSHORT(p, (v)), BPSHORT(p+2, (v)>>16))
-
-/*
- * Compressed image file parameters and helper routines
- */
-#define	NMATCH	3		/* shortest match possible */
-#define	NRUN	(NMATCH+31)	/* longest match possible */
-#define	NMEM	1024		/* window size */
-#define	NDUMP	128		/* maximum length of dump */
-#define	NCBLOCK	6000		/* size of compressed blocks */
-extern	void	_twiddlecompressed(uchar*, int);
-extern	int	_compblocksize(Rectangle, int);
-
-/* XXX backwards helps; should go */
-extern	int		log2[];
-extern	ulong	drawld2chan[];
-extern	void		drawsetdebug(int);