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popart
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sorcery
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art.c
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C/C++ Source or Header
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1992-05-06
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16KB
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485 lines
/* art --- play around with dots... */
#include <graphics/gfxmacros.h>
#include "stuff.h"
#define PIXI Ratio
#define MAXWID MaxUP
#define INSIDE(x,j) ((x) >= 36 && (x) < 36 + ImageWid * PIXI && \
(j) >= 21 && (j) < 21 + MaxDN * PIXI)
extern ULONG msgclass ;
extern USHORT msgcode ;
extern int gadcode ;
extern struct Gadget TGads [] ;
extern struct RastPort * reep ;
extern int no_help ;
extern UWORD mrQ ;
extern struct SUPERwindow SuperWindows [];
extern int CurrentWindow ;
extern int bloking ;
struct Window * win ;
ULONG thisCol = 1;
USHORT Mx, My ;
USHORT izDn ;
int webefillin = 0;
int curOnion = 0;
int togOnion = 1;
int picking ;
void maybedospotat (), maybedospot (),
dospot (), dumb_gadgets (), doKeys ();
void
art ()
{
SWITCH (msgclass) {
CS MOUSEBUTTONS : switch (msgcode) {
CS SELECTDOWN : if (izShift (mrQ) && INSIDE (Mx, My))
{ doBox (); RET; }
ifn (webefillin) izDn = 1, maybedospotat (); RET;
CS SELECTUP : izDn=0; if (webefillin) fill(); new_title (); RET;
CS MENUUP : gadcode = PICKG; dumb_gadgets (); RET; }
RET;
CS MOUSEMOVE : if (izDn) maybedospotat (); no_help = 0; RET;
CS GADGETUP : if ( gadcode > 32 ) { dumb_gadgets () ; RET; }
new_color (gadcode % 32L); RET;
CS RAWKEY : doKeys (); RET;
}
} /* end of art. In the words of Mark Knopfler,
"they never gave us no money - no breaks"! */
void
doKeys ()
{
ULONG bink;
if (msgcode < 76 || msgcode > 79) { /* if it's not an arrow key */
switch (msgcode) {
case 53: gadcode = BLOKG; break;
/* case 54: gadcode = NEW_G; break; it shouldn't be this easy */
case 33: gadcode = SAVEG; break;
case 40: gadcode = LOADG; break;
case 51: gadcode = CLONG; break;
case 23: gadcode = INC_G; break;
case 35: gadcode = FILLG; break;
case 49: gadcode = COPYG; break;
case 22: gadcode = UNDOG; break;
case 20: gadcode = STAKG; break;
case 19: gadcode = ROLLG; break;
case 16: gadcode = SEQ_G; break;
case 24: gadcode = ONIOG; break;
case 25: gadcode = POP_G; break;
default: return; }
dumb_gadgets ();
return; }
bink = thisCol;
switch (msgcode) {
case 76: --bink; break;
case 77: ++bink; break;
case 78: if (bink < 16) bink += 16; break;
case 79: if (bink > 15) bink -= 16; break; }
if (bink < 0) bink += 32; else if (bink > 31) bink %= 32;
new_color (bink);
} /* the mysteries of finite math */
void
maybedospotat ()
{
REG USHORT i, j, x = Mx - Mx % PIXI, y = My - My % PIXI;
ifn (INSIDE (Mx, My)) return;
ifn (bloking) { maybedospot (x, y); return; }
LOOP ( i = x - bloking * PIXI; i < x + bloking; i += PIXI )
loop ( j = y - bloking * PIXI; j < y + bloking; j += PIXI )
if INSIDE (i, j) maybedospot (i, j);
}
void
maybedospot (atx, aty) USHORT atx, aty; /* uh huh */
{
REG UBYTE x = (int) (atx - 35) / PIXI, y = (int) (aty - 20) / PIXI;
#define even(x) ((x)%2)
#define odd(x) (!even(x)) /* duh... */
if (!gadzon (TGads [ 1 ]) && !gadzon (TGads [ 2 ])) {
dospot (atx, aty, x, y); RET; }
if (gadzon (TGads [ 2 ])) {
if ((even (x) && odd (y)) || (odd (x) && even (y)))
dospot (atx, aty, x, y); RET; }
if ((odd (x) && odd (y)) || (even (x) && even (y)))
dospot (atx, aty, x, y);
} /* end of maybedospot ... maybe ... */
void
dospot ( x, y, imageX, imageY ) USHORT x, y; UBYTE imageX, imageY;
{
ULONG spot;
extern int popping;
spot = popping && curOnion != CurrentWindow?
ReadPixel (zreep (curOnion), imageX + 4L, imageY + 14L): thisCol;
SetAPen (zreep (CurrentWindow), spot);
SetAPen (reep, spot);
IFN ( reep->DrawMode & COMPLEMENT )
WritePixel (reep, (long) (imageX+PixOver), (long) (imageY+PixDown)),
WritePixel (zreep (CurrentWindow), imageX + 4L, imageY + 14L);
RectFill (reep, x - 1L, y - 1L, x + PIXI - 2L, y + PIXI - 2L);
if (togOnion && !popping) {
spot = (long) ReadPixel (zreep (curOnion), imageX + 4L, imageY + 14L);
if (spot != thisCol) {
SetAPen (reep, spot);
WritePixel (reep, (long) x, (long) y);
SetAPen (reep, (long) thisCol); }
}
} /* dismal end of dospot */
void
suck () /* copy the working image into a new window */
{
ClipBlit (reep, (long) PixOver, (long) PixDown,
zreep (CurrentWindow), 4L, 14L, (long) ImageWid,
(long) MaxDN, (long) 0xc0);
} /* one suck later... */
void
blow () /* copy a window image into the working images */
{
ClipBlit (zreep (CurrentWindow), 4L, 14L,
reep, (LONG) PixOver, (LONG) PixDown,
(LONG) ImageWid, (LONG) MaxDN, (LONG) 0xc0);
redrawWorkArea (0);
} /* sorry about the names. You gotta admit they jog the memory... */
void
copy () /* copy the working image into the undo buffer */
{
ClipBlit (reep, (LONG) PixOver, (LONG) PixDown,
reep, (LONG) UbfOver, (LONG) UbfDown,
(LONG) ImageWid, (LONG) MaxDN, (LONG) 0xc0);
} /* long long long long long... */
void
undo () /* copy the buffer back the working images */
{
ClipBlit (reep, (LONG) UbfOver, (LONG) UbfDown,
reep, (LONG) PixOver, (LONG) PixDown,
(LONG) ImageWid, (LONG) MaxDN, (LONG) 0xc0);
suck ();
redrawWorkArea (0);
} /* long long long long long long... */
void
newOnion (it)
{
REG LONG rX, rY, spot;
LONG XX, YY, wasspot = thisCol;
if (curOnion == CurrentWindow || !togOnion) return;
Mess ("Redrawing shadow area...");
offInput ();
LOOP (rX = 36, XX = 4L; rX < 36 + ImageWid * Ratio; rX += Ratio, ++XX)
loop (rY = 21, YY = 14L; rY < 21 + MaxDN * Ratio; rY += Ratio, ++YY) {
spot = (long) ReadPixel (zreep (it), XX, YY);
if (spot != wasspot) SetAPen (reep, wasspot = spot);
/* if (spot != ReadPixel (reep, rX, rY)) */
WritePixel (reep, rX, rY); }
SetAPen (reep, (long) thisCol);
Mess ("Finished Reshadowing");
onInput ();
}
void
redrawWorkArea (total)
{
REG LONG realX, realY, spot; /* "real" meaning the working image */
LONG XX, YY, wasspot = thisCol;
Mess ("Redrawing work area...");
offInput (); /* turn off mouse reporting */
LOOP (realX = 35, XX = PixOver;
realX < 35 + ImageWid * Ratio;
realX += Ratio, ++XX)
loop (realY = 20, YY = PixDown;
realY < 20 + MaxDN * Ratio;
realY += Ratio, ++YY) {
spot = (long) ReadPixel (reep, XX, YY);
if (spot != wasspot) SetAPen (reep, wasspot = spot);
if (total || spot != ReadPixel (reep, realX, realY))
RectFill (reep, realX, realY, realX+PIXI-1L, realY+PIXI-1L);
} /* looping thru the spots */
SetAPen (reep, (long) thisCol);
Mess ("Finished Redrawing");
onInput ();
if (togOnion) newOnion (curOnion);
}
void
flash_blok () /* complement the mouse location */
{
static USHORT patsy [] = { 0x5555, 0xaaaa };
SetDrMd (reep, COMPLEMENT);
SetAfPt (reep, patsy, 1L);
maybedospotat ();
SetAfPt (reep, NULL, 0L);
SetDrMd (reep, JAM2);
}
void
dumb_gadgets () /* title says all... */
{
SWITCH (gadcode) { extern struct Window *seqwin;
CS BLOKG : blokOnOff (); RET;
CS NEW_G : anim (&TGads [3]); new (); RET;
CS PICKG : pick (); input (); RET;
CS SAVEG : if izCtrl (mrQ) increment (); else anim (&TGads [ 5]);
save (); RET;
CS LOADG : if izCtrl (mrQ) stor (); else anim (&TGads [6]);
load (); RET;
CS CLONG : anim (&TGads [ 7]); stor (); RET;
CS INC_G : anim (&TGads [10]); increment (); RET;
CS INS_G : increment (); save (); RET;
CS FILLG : anim (&TGads [12]);
ifn (webefillin) fillermouse (), webefillin = 1;
else ClearPointer (win), webefillin = 0; RET;
CS COPYG : copy (); RET;
CS UNDOG : undo (); RET;
CS STAKG : stack (); RET;
CS ROLLG : anim (&TGads [ 9]); /* roll(); is in anim.c!*/ RET;
CS SEQ_G : if (seqwin) WindowToFront (seqwin);
else openSeqWin (); RET;
CS CNL_G : stor (); load (); RET;
CS POP_G : popOnOff (); RET;
CS XWB_G : clozeWB (); RET;
CS TWEKG : tweakColors (); RET;
CS ONIOG : togOnion = !togOnion;
ifn (togOnion) onionOff ();
else onionOn (), newOnion (curOnion); RET;
/* CS FREEG : free (); RET;*/
} /* switch, whip, paddle, spank, etc */
} /* done all the dumb gadgets */
void
new () /* "new" is a computer euphemism for "KILL EVERYTHING" */
{
hotHelp ("To the Great Bit Bucket!!!", 2, 1);
RectFill ( reep, 35L, 20L,
34L + ImageWid * Ratio, 19L + MaxDN * Ratio );
RectFill ( reep, (long) PixOver, (long) PixDown,
(long) PixOver + ImageWid - 1L,
(long) PixDown + MaxDN - 1L );
RectFill ( zreep (CurrentWindow), 4L, 14L,
3L + ImageWid, 13L + MaxDN );
if (togOnion) newOnion (curOnion);
}
int no_help = 0;
void
pick ()
{
Mess ("Click on a Color (\"Pick\" to Cancel)");
pickmouse ();
forever {
no_help = 1;
picking = 1;
if (!input ()) quit ("Wrong color picked...");
picking = 0;
no_help = 0;
Mx = win->MouseX;
My = win->MouseY;
if ( (msgclass == MOUSEBUTTONS && msgcode == SELECTUP) ||
(msgclass == GADGETUP && gadcode != PICKG ) ) {
ClearPointer (win);
Mess ("New Color Picked");
new_color ((ULONG) ReadPixel (reep, (long) Mx, (long) My));
Wait (1L << win->UserPort->mp_SigBit);
break; }
if ( msgclass == GADGETUP && gadcode == PICKG ) {
ClearPointer (win);
Mess ("Cancelled - No New Color Picked");
Wait (1L << win->UserPort->mp_SigBit);
break; }
} /* end of forever */
if (webefillin) fillermouse ();
else ClearPointer (win);
} /* you can pick your mouse and you can pick your friends, but ... */
static ULONG fillcolor;
void fillazoid ();
void
fill ()
{
if (!INSIDE (Mx, My)) return;
fillcolor = (ULONG) ReadPixel (reep, (long) Mx, (long) My);
if (fillcolor == thisCol) { Mess ("Same Color Picked!"); return; }
Mess ("Here We Go!");
copy ();
offInput ();
fillazoid (Mx - Mx % PIXI, My - My % PIXI, 170);
onInput ();
Mess ("Done Filling");
} /* you can fill your mouse and you can fill your friends, but ... */
void
fillazoid (xx, yy, count)
{
ifn (--count) return;
ifn (INSIDE (xx, yy)) return;
if (fillcolor != (ULONG) ReadPixel (reep, xx - 1L, yy - 1L)) return;
maybedospot (xx, yy);
switch (rand () % 4) {
case 0: fillazoid (xx - PIXI, yy, count);
fillazoid (xx + PIXI, yy, count);
fillazoid (xx, yy + PIXI, count);
fillazoid (xx, yy - PIXI, count);
case 1: fillazoid (xx + PIXI, yy, count);
fillazoid (xx, yy + PIXI, count);
fillazoid (xx, yy - PIXI, count);
fillazoid (xx - PIXI, yy, count);
case 2: fillazoid (xx, yy + PIXI, count);
fillazoid (xx, yy - PIXI, count);
fillazoid (xx - PIXI, yy, count);
fillazoid (xx + PIXI, yy, count);
case 3: fillazoid (xx, yy - PIXI, count);
fillazoid (xx - PIXI, yy, count);
fillazoid (xx + PIXI, yy, count);
fillazoid (xx, yy + PIXI, count); }
} /* why so many fillazoids? the order they are called affects the outer
boundary of the filled area... */
void
SchRep (waz)
{
long xx, yy;
Mess ("SchRepping Color");
offInput ();
LOOP (xx = 35; xx < ImageWid * PIXI + 35; xx += PIXI)
loop (yy = 20; yy < MaxDN * PIXI + 20; yy += PIXI)
if (waz == ReadPixel (reep, xx, yy))
maybedospot ((USHORT) xx + 1, (USHORT) yy + 1);
Mess ("SchRepped Color");
onInput ();
}
new_title ()
{
static char buff [125], number [16] ;
strcpy ( buff, "PopArt - by PHLIP - " );
strcat ( buff, decimal ((int) Mx, number) );
strcat ( buff, " ");
strcat ( buff, decimal ((int) My, number) );
strcat ( buff, " ");
SetWindowTitles (win, buff, -1L);
} /* pop out the mouseXY, for position new stuff */