page@swan.ulowell.edu (Bob Page) (03/15/89)
Submitted-by: ap@syssun.cl.msu.edu (Joe A. Porkka)
Posting-number: Volume 89, Issue 48
Archive-name: fun/smear2.1
[uuencoded executable included. ..Bob]
# This is a shell archive.
# Remove everything above and including the cut line.
# Then run the rest of the file through sh.
#----cut here-----cut here-----cut here-----cut here----#
#!/bin/sh
# shar: Shell Archiver
# Run the following text with /bin/sh to create:
# smear2.c
# smear2.uu
# This archive created: Wed Mar 15 10:50:32 1989
cat << \SHAR_EOF > smear2.c
/* SMEAR2.c (P) Public Domain
* 28-Jan-1989
* Joe Porkka
* jap@syssun.cl.msu.edu
*/
/* This is a little WorkBench hack I came up with.
* enjoy.
* Compiles with Lattice 3.10
* For help, type 'smear2 help'
*/
#include <stdlib.h>
#include <intuition/intuition.h>
long GfxBase=0,IntuitionBase=0;
struct NewWindow nw={
0,0,1,1,1,1,0,SIMPLE_REFRESH,0,0,"",0,0,1,1,1,1,WBENCHSCREEN};
struct Window *win,*OpenWindow();
struct NewScreen ns={
0,0,640,-1,2,
-1,-1,
HIRES,
CUSTOMSCREEN|SCREENBEHIND|SCREENQUIET,
0,
0,
0,
0
};
struct Screen *scr,*OpenScreen();
struct RastPort *myrp,*wrp;
struct BitMap *mybits,*wbits;
int minterm,delay,multiminterm,nodiag;
#define NTERMS 6
int terms[NTERMS]={0x22,0xcc,0x33,0x88,0x44,0xee};
/* This is to remove the program
* it works even if the program aborts before finishing setup stuff.
*/
vanish(){
if(win) CloseWindow(win);
if(scr) CloseScreen(scr);
if(GfxBase)CloseLibrary(GfxBase);
if(IntuitionBase)CloseLibrary(IntuitionBase);
exit(1);
}
main(ac,av) int ac; char **av; {
int len,a,b,err=0;
win=0;scr=0;GfxBase=IntuitionBase=0;
a=1;ac--;
delay=0;
minterm=0x00;
multiminterm=0;
nodiag=0;
/* Im sure this arg parsing could be done better, but I just hacked it
* out in five minutes
*/
while(ac>0) {
if(stricmp(av[a],"?")==0) {
printf("%s HELP,MINTERM,DELAY,NODIAG/S\n",av[0]);
exit(0);
}
if(stricmp(av[a],"HELP")==0) {
printf("\tHELP Gets help\n");
printf("\t with no args, the program picks randomly which minterm\n\t to use for each block move\n");
printf("\tMINTERM xx specify a minterm to use (Hexidecimal)\n");
printf("\t Try using `cc' for the minterm\n");
printf("\tDELAY nn slow down the operations; large nn is slow\n");
printf("\tNODIAG prevents diagonal block movements\n");
printf("\t CTRL-C to exit\n");
printf("\n");
exit(0);
}
if(stricmp(av[a],"MINTERM")==0) {
a++;ac--;
if(ac && minterm==0) {
sscanf(av[a],"%x",&minterm);
if(minterm<=0 || minterm>255) {
err=1;
break;
}
} else {
err=1;
break;
}
} else if(stricmp(av[a],"DELAY")==0) {
a++;ac--;
if(ac && delay==0) {
sscanf(av[a],"%d",&delay);
if(delay<=0) {
err=1;
break;
}
} else {
err=1;
break;
}
} else if(stricmp(av[a],"NODIAG")==0) {
nodiag=1;
} else if(minterm==0) {
sscanf(av[a],"%x",&minterm);
if(minterm<=0 || minterm>255) {
err=1;
break;
}
} else if(delay==0) {
sscanf(av[a],"%d",&delay);
if(delay<=0) {
err=1;
break;
}
} else {err=1;break;}
a++;ac--;
}
if(err) {
printf("Bad args. Use `%s ?' for help\n",av[0]);
exit(15);
}
if(delay<0) delay=0;
if(minterm==0) multiminterm=1;
printf("Minterm=0x%X delay=%d \n",minterm,delay);
printf("Smear 2.0 January 89 by Joe Porkka (PUBLIC DOMAIN)\n");
onbreak(vanish);
IntuitionBase=OpenLibrary("intuition.library",30);
if(IntuitionBase==0) {
printf("No intuition!\n");
exit(15);
}
GfxBase=OpenLibrary("graphics.library",30);
if(GfxBase==0) {
printf("No graphics system.\n");
CloseLibrary(IntuitionBase);
exit(15);
}
win=OpenWindow(&nw);
scr=OpenScreen(&ns);
if (scr==0||win==0) {
printf("Out Of MEMORY!.\n");
vanish();
}
myrp=&scr->RastPort;
wrp=win->RPort;
mybits=myrp->BitMap;
wbits=wrp->BitMap;
CloseWindow(win);
win=0;
len=640*200/8/4; /* size of a bitplane in longwords */
BltBitMap(wbits,0,0,mybits,0,0,640,200,0xC0,3,0);
/*
copyit(wbits->Planes[0],mybits->Planes[0],len);
copyit(wbits->Planes[1],mybits->Planes[1],len);
*/
ScreenToFront(scr);
smear();
vanish();
}
smear() {
int d,x,y,lx,ly;
int q,w,dirs;
char *a;
a=malloc(100);
if(nodiag) dirs=4; else dirs=8;
do {
if(delay) Delay(delay);
d=rand()%dirs;
x=rand()%639;
y=rand()%199;
q=639-x;w=199-y;
if(q>200) q=200;
if(w>100) w=100;
lx=rand()%q;
ly=rand()%w;
if(lx==0 || ly==0) continue;
if(multiminterm) {
minterm=terms[rand()%NTERMS];
}
switch(d) {
case 0: /* left one bit */
BltBitMap(mybits,x+1,y,mybits,x,y,lx,ly,minterm,3,a);
break;
case 1: /* right one bit */
BltBitMap(mybits,x,y,mybits,x+1,y,lx,ly,minterm,3,a);
break;
case 2: /* up one bit */
BltBitMap(mybits,x,y+1,mybits,x,y,lx,ly,minterm,3,a);
break;
case 3: /* down one bit */
BltBitMap(mybits,x,y,mybits,x,y+1,lx,ly,minterm,3,a);
break;
case 4: /* left,up one bit */
BltBitMap(mybits,x+1,y+1,mybits,x,y,lx,ly,minterm,3,a);
break;
case 5: /* right,down one bit */
BltBitMap(mybits,x,y,mybits,x+1,y+1,lx,ly,minterm,3,a);
break;
case 6: /* right,up one bit */
BltBitMap(mybits,x,y+1,mybits,x+1,y,lx,ly,minterm,3,a);
break;
case 7: /* left,down one bit */
BltBitMap(mybits,x+1,y,mybits,x,y+1,lx,ly,minterm,3,a);
break;
}
chkabort();
} while(1);
}
SHAR_EOF
cat << \SHAR_EOF > smear2.uu
begin 666 smear2
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end
size 14300
SHAR_EOF
# End of shell archive
exit 0
--
Bob Page, U of Lowell CS Dept. page@swan.ulowell.edu ulowell!page
Have five nice days.