aboutsummaryrefslogtreecommitdiff
path: root/sys/gio/nsppkern/pixels.f
diff options
context:
space:
mode:
authorJoseph Hunkeler <jhunkeler@gmail.com>2015-07-08 20:46:52 -0400
committerJoseph Hunkeler <jhunkeler@gmail.com>2015-07-08 20:46:52 -0400
commitfa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 (patch)
treebdda434976bc09c864f2e4fa6f16ba1952b1e555 /sys/gio/nsppkern/pixels.f
downloadiraf-linux-fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4.tar.gz
Initial commit
Diffstat (limited to 'sys/gio/nsppkern/pixels.f')
-rw-r--r--sys/gio/nsppkern/pixels.f74
1 files changed, 74 insertions, 0 deletions
diff --git a/sys/gio/nsppkern/pixels.f b/sys/gio/nsppkern/pixels.f
new file mode 100644
index 00000000..a7b5e039
--- /dev/null
+++ b/sys/gio/nsppkern/pixels.f
@@ -0,0 +1,74 @@
+ subroutine pixels(x0,y0,ni,nj,inten)
+ integer*2 inten(1)
+c assume inten is a linear array rather than 2-d. This is a change
+c from the original code.
+c assume nj == 1
+ common /sysplt/ mmajx ,mmajy ,mminx ,mminy ,mxlab ,mylab ,
+ 1 mflg ,mtype ,mxa ,mya ,mxb ,myb ,
+ 2 mx ,my ,mtypex ,mtypey ,xxa ,yya ,
+ 3 xxb ,yyb ,xxc ,yyc ,xxd ,yyd ,
+ 4 xfactr ,yfactr ,xadd ,yadd ,xx ,yy ,
+ 5 mfmtx(3) ,mfmty(3) ,mumx ,mumy ,
+ 6 msizx ,msizy ,mxdec ,mydec ,mxor ,mop(19),
+ 7 mname(19) ,mxold ,myold ,mxmax ,mymax ,
+ 8 mxfac ,myfac ,modef ,mf2er ,mshftx ,mshfty ,
+ 9 mmgrx ,mmgry ,mmnrx ,mmnry ,mfrend ,mfrlst ,
+ + mcrout ,mpair1 ,mpair2 ,msblen ,mflcnt ,mjxmin ,
+ 1 mjymin ,mjxmax ,mjymax ,mnxsto ,mnysto ,mxxsto ,
+ 2 mxysto ,mprint ,msybuf(360) ,mncpw ,minst ,
+ 3 mbufa ,mbuflu ,mfwa(12) ,mlwa(12) ,
+ 4 mipair ,mbprs(16) ,mbufl ,munit ,mbswap ,
+ 5 small
+ data ipixop / 10/
+ mbpair = ior(ishift(ior(192, ipixop + 1), 8), 8)
+ mipair = mipair + 1
+ mbprs(mipair) = mbpair
+ if (mipair .ge. 16) call flushb
+ xx = x0
+ yy = y0
+ call tran16
+ mbpair = mx
+ mipair = mipair + 1
+ mbprs(mipair) = mbpair
+ if (mipair .ge. 16) call flushb
+ mbpair=my
+ mipair = mipair + 1
+ mbprs(mipair) = mbpair
+ if (mipair .ge. 16) call flushb
+ mbpair=ni
+ mipair = mipair + 1
+ mbprs(mipair) = mbpair
+ if (mipair .ge. 16) call flushb
+ mbpair=nj
+ mipair = mipair + 1
+ mbprs(mipair) = mbpair
+ if (mipair .ge. 16) call flushb
+ nni = max0(1,(ni+iand(ni,1)))
+ nnj = max0(1,nj)
+ kmax=nni*nnj
+ k=0
+ do 200 j=1,nnj
+ do 100 i=1,nni
+ if(mod(k,254).ne.0) goto 90
+ mbpair = ior(ishift(ior(192, ipixop+2),8), min0(254,kmax-k))
+ mipair = mipair + 1
+ mbprs(mipair) = mbpair
+ if (mipair .ge. 16) call flushb
+ mbpair = 0
+ 90 ik = iand ( i, 1)
+c
+c 14Nov85 mod so that arguments to ishift are of same type
+ itmp = inten(i)
+ mbpair = ior (ishift(iand(itmp,255),8*ik),mbpair)
+c mbpair = ior (ishift(iand(inten(i),255),8*ik),mbpair)
+c
+ if ( ik .ne. 0 ) go to 95
+ mipair = mipair + 1
+ mbprs(mipair) = mbpair
+ if (mipair .ge. 16) call flushb
+ mbpair = 0
+ 95 k = k + 1
+ 100 continue
+ 200 continue
+ return
+ end