removing (outdated) drawterm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so removing this outdated copy.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, 206 deletions

diff --git a/sys/src/cmd/unix/drawterm/libdraw/arith.c b/sys/src/cmd/unix/drawterm/libdraw/arith.c
deleted file mode 100644
index 885b3c7fd..000000000
--- a/sys/src/cmd/unix/drawterm/libdraw/arith.c
+++ /dev/null
@@ -1,206 +0,0 @@
-#include <u.h>
-#include <libc.h>
-#include <draw.h>
-
-Point
-Pt(int x, int y)
-{
-	Point p;
-
-	p.x = x;
-	p.y = y;
-	return p;
-}
-
-Rectangle
-Rect(int x, int y, int bx, int by)
-{
-	Rectangle r;
-
-	r.min.x = x;
-	r.min.y = y;
-	r.max.x = bx;
-	r.max.y = by;
-	return r;
-}
-
-Rectangle
-Rpt(Point min, Point max)
-{
-	Rectangle r;
-
-	r.min = min;
-	r.max = max;
-	return r;
-}
-
-Point
-addpt(Point a, Point b)
-{
-	a.x += b.x;
-	a.y += b.y;
-	return a;
-}
-
-Point
-subpt(Point a, Point b)
-{
-	a.x -= b.x;
-	a.y -= b.y;
-	return a;
-}
-
-Rectangle
-insetrect(Rectangle r, int n)
-{
-	r.min.x += n;
-	r.min.y += n;
-	r.max.x -= n;
-	r.max.y -= n;
-	return r;
-}
-
-Point
-divpt(Point a, int b)
-{
-	a.x /= b;
-	a.y /= b;
-	return a;
-}
-
-Point
-mulpt(Point a, int b)
-{
-	a.x *= b;
-	a.y *= b;
-	return a;
-}
-
-Rectangle
-rectsubpt(Rectangle r, Point p)
-{
-	r.min.x -= p.x;
-	r.min.y -= p.y;
-	r.max.x -= p.x;
-	r.max.y -= p.y;
-	return r;
-}
-
-Rectangle
-rectaddpt(Rectangle r, Point p)
-{
-	r.min.x += p.x;
-	r.min.y += p.y;
-	r.max.x += p.x;
-	r.max.y += p.y;
-	return r;
-}
-
-int
-eqpt(Point p, Point q)
-{
-	return p.x==q.x && p.y==q.y;
-}
-
-int
-eqrect(Rectangle r, Rectangle s)
-{
-	return r.min.x==s.min.x && r.max.x==s.max.x &&
-	       r.min.y==s.min.y && r.max.y==s.max.y;
-}
-
-int
-rectXrect(Rectangle r, Rectangle s)
-{
-	return r.min.x<s.max.x && s.min.x<r.max.x &&
-	       r.min.y<s.max.y && s.min.y<r.max.y;
-}
-
-int
-rectinrect(Rectangle r, Rectangle s)
-{
-	return s.min.x<=r.min.x && r.max.x<=s.max.x && s.min.y<=r.min.y && r.max.y<=s.max.y;
-}
-
-int
-ptinrect(Point p, Rectangle r)
-{
-	return p.x>=r.min.x && p.x<r.max.x &&
-	       p.y>=r.min.y && p.y<r.max.y;
-}
-
-Rectangle
-canonrect(Rectangle r)
-{
-	int t;
-	if (r.max.x < r.min.x) {
-		t = r.min.x;
-		r.min.x = r.max.x;
-		r.max.x = t;
-	}
-	if (r.max.y < r.min.y) {
-		t = r.min.y;
-		r.min.y = r.max.y;
-		r.max.y = t;
-	}
-	return r;
-}
-
-void
-combinerect(Rectangle *r1, Rectangle r2)
-{
-	if(r1->min.x > r2.min.x)
-		r1->min.x = r2.min.x;
-	if(r1->min.y > r2.min.y)
-		r1->min.y = r2.min.y;
-	if(r1->max.x < r2.max.x)
-		r1->max.x = r2.max.x;
-	if(r1->max.y < r2.max.y)
-		r1->max.y = r2.max.y;
-}
-
-ulong
-drawld2chan[] = {
-	GREY1,
-	GREY2,
-	GREY4,
-	CMAP8,
-};
-
-int log2[] = { -1, 0, 1, -1, 2, -1, -1, -1, 3, -1, -1, -1, -1, -1, -1, -1, 4, -1, -1, -1, -1, -1, -1, -1, 4 /* BUG */, -1, -1, -1, -1, -1, -1, -1, 5 };
-
-ulong
-setalpha(ulong color, uchar alpha)
-{
-	int red, green, blue;
-
-	red = (color >> 3*8) & 0xFF;
-	green = (color >> 2*8) & 0xFF;
-	blue = (color >> 1*8) & 0xFF;
-	/* ignore incoming alpha */
-	red = (red * alpha)/255;
-	green = (green * alpha)/255;
-	blue = (blue * alpha)/255;
-	return (red<<3*8) | (green<<2*8) | (blue<<1*8) | (alpha<<0*8);
-}
-
-Point	ZP;
-Rectangle ZR;
-int
-Rfmt(Fmt *f)
-{
-	Rectangle r;
-
-	r = va_arg(f->args, Rectangle);
-	return fmtprint(f, "%P %P", r.min, r.max);
-}
-
-int
-Pfmt(Fmt *f)
-{
-	Point p;
-
-	p = va_arg(f->args, Point);
-	return fmtprint(f, "[%d %d]", p.x, p.y);
-}
-