removing (outdated) drawterm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so removing this outdated copy.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, 204 deletions

diff --git a/sys/src/cmd/unix/drawterm/gui-x11/alloc.c b/sys/src/cmd/unix/drawterm/gui-x11/alloc.c
deleted file mode 100644
index 8053c4488..000000000
--- a/sys/src/cmd/unix/drawterm/gui-x11/alloc.c
+++ /dev/null
@@ -1,204 +0,0 @@
-#include <u.h>
-#include <libc.h>
-#include <draw.h>
-#include <memdraw.h>
-#include "xmem.h"
-
-/* perfect approximation to NTSC = .299r+.587g+.114b when 0 ≤ r,g,b < 256 */
-#define RGB2K(r,g,b)	((156763*(r)+307758*(g)+59769*(b))>>19)
-
-Memimage*
-xallocmemimage(Rectangle r, ulong chan, int pmid)
-{
-	Memimage *m;
-	Xmem *xm;
-	XImage *xi;
-	int offset;
-	int d;
-	
-	m = _allocmemimage(r, chan);
-	if(chan != GREY1 && chan != xscreenchan)
-		return m;
-
-	d = m->depth;
-	xm = mallocz(sizeof(Xmem), 1);
-	if(pmid != PMundef)
-		xm->pmid = pmid;
-	else
-		xm->pmid = XCreatePixmap(xdisplay, xscreenid, Dx(r), Dy(r), (d==32) ? 24 : d);
-		
-	if(m->depth == 24)
-		offset = r.min.x&(4-1);
-	else
-		offset = r.min.x&(31/m->depth);
-	r.min.x -= offset;
-	
-	assert(wordsperline(r, m->depth) <= m->width);
-
-	xi = XCreateImage(xdisplay, xvis, m->depth==32?24:m->depth, ZPixmap, 0,
-		(char*)m->data->bdata, Dx(r), Dy(r), 32, m->width*sizeof(ulong));
-	
-	if(xi == nil){
-		_freememimage(m);
-		return nil;
-	}
-
-	xm->xi = xi;
-	xm->pc = getcallerpc(&r);
-	xm->r = r;
-	
-	/*
-	 * Set the parameters of the XImage so its memory looks exactly like a
-	 * Memimage, so we can call _memimagedraw on the same data.  All frame
-	 * buffers we've seen, and Plan 9's graphics code, require big-endian
-	 * bits within bytes, but little endian byte order within pixels.
-	 */
-	xi->bitmap_unit = m->depth < 8 || m->depth == 24 ? 8 : m->depth;
-	xi->byte_order = LSBFirst;
-	xi->bitmap_bit_order = MSBFirst;
-	xi->bitmap_pad = 32;
-	xm->r = Rect(0,0,0,0);
-	XInitImage(xi);
-	XFlush(xdisplay);
-
-	m->X = xm;
-	return m;
-}
-
-Memimage*
-allocmemimage(Rectangle r, ulong chan)
-{
-	return xallocmemimage(r, chan, PMundef);
-}
-
-void
-freememimage(Memimage *m)
-{
-	Xmem *xm;
-	
-	if(m == nil)
-		return;
-		
-	if(m->data->ref == 1){
-		if((xm = m->X) != nil){
-			if(xm->xi){
-				xm->xi->data = nil;
-				XFree(xm->xi);
-			}
-			XFreePixmap(xdisplay, xm->pmid);
-			free(xm);
-			m->X = nil;
-		}
-	}
-	_freememimage(m);
-}
-
-void
-memfillcolor(Memimage *m, ulong val)
-{
-	_memfillcolor(m, val);
-	if(m->X){
-		if((val & 0xFF) == 0xFF)
-			xfillcolor(m, m->r, _rgbatoimg(m, val));
-		else
-			putXdata(m, m->r);
-	}
-}
-
-static void
-addrect(Rectangle *rp, Rectangle r)
-{
-	if(rp->min.x >= rp->max.x)
-		*rp = r;
-	else
-		combinerect(rp, r);
-}
-
-XImage*
-getXdata(Memimage *m, Rectangle r)
-{
-	uchar *p;
-	int x, y;
-	Xmem *xm;
-	Point xdelta, delta;
-	Point tp;
-
- 	xm = m->X;
- 	if(xm == nil)
- 		return nil;
- 
-	assert(xm != nil && xm->xi != nil);
-	
- 	if(xm->dirty == 0)
- 		return xm->xi;
- 		
- 	r = xm->dirtyr;
-	if(Dx(r)==0 || Dy(r)==0)
-		return xm->xi;
-
-	delta = subpt(r.min, m->r.min);
-	tp = xm->r.min;	/* avoid unaligned access on digital unix */
-	xdelta = subpt(r.min, tp);
-	
-	XGetSubImage(xdisplay, xm->pmid, delta.x, delta.y, Dx(r), Dy(r),
-		AllPlanes, ZPixmap, xm->xi, xdelta.x, xdelta.y);
-		
-	if(xtblbit && m->chan == CMAP8)
-		for(y=r.min.y; y<r.max.y; y++)
-			for(x=r.min.x, p=byteaddr(m, Pt(x,y)); x<r.max.x; x++, p++)
-				*p = x11toplan9[*p];
-				
-	xm->dirty = 0;
-	xm->dirtyr = Rect(0,0,0,0);
-	return xm->xi;
-}
-
-void
-putXdata(Memimage *m, Rectangle r)
-{
-	Xmem *xm;
-	XImage *xi;
-	GC g;
-	Point xdelta, delta;
-	Point tp;
-	int x, y;
-	uchar *p;
-
-	xm = m->X;
-	if(xm == nil)
-		return;
-		
-	assert(xm != nil);
-	assert(xm->xi != nil);
-
-	xi = xm->xi;
-
-	g = (m->chan == GREY1) ? xgccopy0 : xgccopy;
-
-	delta = subpt(r.min, m->r.min);
-	tp = xm->r.min;	/* avoid unaligned access on digital unix */
-	xdelta = subpt(r.min, tp);
-	
-	if(xtblbit && m->chan == CMAP8)
-		for(y=r.min.y; y<r.max.y; y++)
-			for(x=r.min.x, p=byteaddr(m, Pt(x,y)); x<r.max.x; x++, p++)
-				*p = plan9tox11[*p];
-	
-	XPutImage(xdisplay, xm->pmid, g, xi, xdelta.x, xdelta.y, delta.x, delta.y, Dx(r), Dy(r));
-
-	if(xtblbit && m->chan == CMAP8)
-		for(y=r.min.y; y<r.max.y; y++)
-			for(x=r.min.x, p=byteaddr(m, Pt(x,y)); x<r.max.x; x++, p++)
-				*p = x11toplan9[*p];
-}
-
-void
-dirtyXdata(Memimage *m, Rectangle r)
-{
-	Xmem *xm;
-	
-	if((xm = m->X) != nil){
-		xm->dirty = 1;
-		addrect(&xm->dirtyr, r);
-	}
-}