/* BioMorph By: Chris MacDonald & Steve Martin Version: 1.0 Last Revision: 28 July 89 */ #include #include #include #include #include /* system functions */ extern struct Screen *OpenScreen (); extern struct Window *OpenWindow(); extern struct Library *OpenLibrary(); extern struct ViewPort *ViewPortAddress(); /* system variables */ struct IntuitionBase *IntuitionBase; struct GfxBase *GfxBase; struct MathBase *MathBase; struct Screen *s; struct Window *w; struct IntuiMessage *msg; struct RastPort *rp; struct ViewPort *vp; /* menu stuff */ struct TextAttr Font = { (STRPTR)"topaz.font", TOPAZ_SIXTY, FS_NORMAL, FPF_ROMFONT }; struct IntuiText GenerateText = {4,1,JAM1,1,1,&Font, (UBYTE *) " Generate",NULL}; struct IntuiText StopText ={4,1,JAM1,1,1,&Font,(UBYTE *)" Stop",NULL}; struct IntuiText QuitText ={4,1,JAM1,1,1,&Font,(UBYTE *)" Quit",NULL}; struct IntuiText GreyText = {4,1,JAM1,1,1,&Font,(UBYTE *) " Grey",NULL}; struct IntuiText RedText = {4,1,JAM1,1,1,&Font,(UBYTE *) " Red",NULL}; struct IntuiText GreenText = {4,1,JAM1,1,1,&Font,(UBYTE *)" Green",NULL}; struct IntuiText BlueText = {4,1,JAM1,1,1,&Font,(UBYTE *) " Blue",NULL}; struct IntuiText TwoText = {4,1,JAM1,1,1,&Font,(UBYTE *) " 2",NULL}; struct IntuiText FourText = {4,1,JAM1,1,1,&Font,(UBYTE *) " 4",NULL}; struct IntuiText EightText = {4,1,JAM1,1,1,&Font,(UBYTE *) " 8",NULL}; struct IntuiText SixteenText = {4,1,JAM1,1,1,&Font,(UBYTE *)" 16",NULL}; struct IntuiText TwentyText = {4,1,JAM1,1,1,&Font,(UBYTE *) " 20",NULL}; struct IntuiText SquareText ={4,1,JAM1,1,1,&Font,(UBYTE *)" z^2 + c",NULL}; struct IntuiText CubeText = {4,1,JAM1,1,1,&Font,(UBYTE *) " z^3 + c",NULL}; struct IntuiText FifthText = {4,1,JAM1,1,1,&Font,(UBYTE *)" z^5 + c",NULL}; struct MenuItem Quit = { NULL,1,26,140,10,ITEMTEXT | ITEMENABLED | HIGHCOMP | COMMSEQ, 0,(APTR) &QuitText,NULL,0x51,NULL,0 }; struct MenuItem Stop = { &Quit,1,14,140,10,ITEMTEXT | ITEMENABLED | HIGHCOMP | CHECKIT | COMMSEQ,0xfffffff9,(APTR) &StopText,NULL,0x53,NULL,0 }; struct MenuItem Generate = { &Stop,1,2,140,10,ITEMTEXT | ITEMENABLED | HIGHCOMP | CHECKIT | CHECKED | COMMSEQ,0xfffffffa,(APTR) &GenerateText, NULL,0x47,NULL,0 }; struct MenuItem Blue = { NULL,1,38,70,10,ITEMTEXT | ITEMENABLED | HIGHCOMP | CHECKIT,0xfffffff7,(APTR) &BlueText,NULL,0,NULL,0 }; struct MenuItem Green = { &Blue,1,26,70,10,ITEMTEXT | ITEMENABLED | HIGHCOMP | CHECKIT,0xfffffffb,(APTR) &GreenText,NULL,0,NULL,0 }; struct MenuItem Red = { &Green,1,14,70,10,ITEMTEXT | ITEMENABLED | HIGHCOMP | CHECKIT,0xfffffffd,(APTR) &RedText,NULL,0,NULL,0 }; struct MenuItem Grey = { &Red,1,2,70,10,ITEMTEXT | ITEMENABLED | HIGHCOMP | CHECKED | CHECKIT,0xfffffffe,(APTR) &GreyText,NULL,0,NULL,0 }; struct MenuItem Twenty = { NULL,1,50,60,10,ITEMTEXT | ITEMENABLED | HIGHCOMP | CHECKED | CHECKIT,0xffffffef,(APTR) &TwentyText,NULL,0,NULL,0 }; struct MenuItem Sixteen = { &Twenty,1,38,60,10,ITEMTEXT | ITEMENABLED | HIGHCOMP | CHECKIT,0xfffffff7,(APTR) &SixteenText,NULL,0,NULL,0 }; struct MenuItem Eight = { &Sixteen,1,26,60,10,ITEMTEXT | ITEMENABLED | HIGHCOMP | CHECKIT,0xfffffffb,(APTR) &EightText,NULL,0,NULL,0 }; struct MenuItem Four = { &Eight,1,14,60,10,ITEMTEXT | ITEMENABLED | HIGHCOMP | CHECKIT,0xfffffffd,(APTR) &FourText,NULL,0,NULL,0 }; struct MenuItem Two = { &Four,1,2,60,10,ITEMTEXT | ITEMENABLED | HIGHCOMP | CHECKIT,0xfffffffe,(APTR) &TwoText,NULL,0,NULL,0 }; struct MenuItem Fifth = { NULL,1,26,100,10,ITEMTEXT | ITEMENABLED | HIGHCOMP | CHECKIT,0xfffffffb,(APTR) &FifthText,NULL,0,NULL,0 }; struct MenuItem Cube = { &Fifth,1,14,100,10,ITEMTEXT | ITEMENABLED | HIGHCOMP | CHECKED | CHECKIT,0xfffffffd,(APTR) &CubeText,NULL,0,NULL,0 }; struct MenuItem Square = { &Cube,1,2,100,10,ITEMTEXT | ITEMENABLED | HIGHCOMP | CHECKIT,0xfffffffe,(APTR) &SquareText,NULL,0,NULL,0 }; struct Menu Zx = {NULL,165,0,80,0,NULL,(BYTE *) "Equation",&Square}; struct Menu Zoom = {&Zx,115,0,50,0,NULL,(BYTE *) "Zoom",&Two}; struct Menu Colors = {&Zoom,55,0,60,0,MENUENABLED,(BYTE *) "Colors",&Grey}; struct Menu File = {&Colors,10,0,45,10,MENUENABLED, (BYTE *) "File",&Generate}; /* voidoids */ void open_all(), close_all(), initmenu(); void addplex(),multplex(),sqrplex(),cubeplex(),analyze(),genmorph(); void mousezoom(); /* window and screen (windscreen?) */ struct NewScreen myScreen = { 0,0, 320,200, 4, 1,0, 0, CUSTOMSCREEN, NULL, (UBYTE *)"BioMorph 1.0", NULL, NULL }; struct NewWindow myWindow = { 80,9, 165, 160, 0, 1, MENUPICK | MOUSEBUTTONS, SMART_REFRESH | ACTIVATE | WINDOWSIZING | WINDOWDRAG | GIMMEZEROZERO, NULL, NULL, (UBYTE *)"z^3 + c", NULL, NULL, 50, 40, 210, 200, WBENCHSCREEN }; /* color maps */ UWORD greycolortable[] = { 0x004,0xfff,0x990,0x059, 0x666,0x777,0x888,0x999, 0xaaa,0xbbb,0xccc,0xddd, 0xeee,0xfff,0x000 }; UWORD redcolortable[] = { 0x004,0xfff,0x990,0x059, 0x600,0x700,0x800,0x900, 0xa00,0xb00,0xc00,0xd00, 0xe00,0xf00,0x000 }; UWORD greencolortable[] = { 0x004,0xfff,0x990,0x059, 0x060,0x070,0x080,0x090, 0x0a0,0x0b0,0x0c0,0x0d0, 0x0e0,0x0f0,0x000 }; UWORD bluecolortable[] = { 0x004,0xfff,0x990,0x059, 0x006,0x007,0x008,0x009, 0x00a,0x00b,0x00c,0x00d, 0x00e,0x00f,0x000 }; /* IDCMP stuff */ struct IntuiMessage *message; USHORT MessageClass, MessageCode, MousX, MousY; /* global variable descriptions creal, = real & imaginary portion of cimag constant magfactor = magnification factor of graph fnum = function power value (2 = square, 3 = cube, 4 = z ^ 5) stopflag = flag which tells genmorph() to quit when Stop is selected from File menu minwinx, = minimum window size values, set minwiny to insure user can't size window down while generating graph winx, = size of window user selects for winy next graph mxstart, = upper left corner value for mouse mystart zoom box. transferred to xstart, ystart in genmorph() xstart, = upper left corner value of last generated ystart or currently generating graph increment = distance between adjacent graph points size = size in pixels of most recently computed or currently computing graph */ float creal, cimag, magfactor, xstart, ystart, mxstart, mystart, increment; short fnum,stopflag,minwinx,minwiny,winx,winy,size; main(argc,argv) int argc; UBYTE *argv[]; { /* user can enter a '?' or a complex constant when starting the program */ printf("\nBioMorph 1.0\n\nby Chris MacDonald & Steve Martin\n\n"); if (argc == 1) /* no arguments */ { creal = 0.5; cimag = 0.0; printf("Using default constant: real = 0.5\n"); printf(" imaginary = 0.0\n\n"); printf("Next time, try your own constant!\n\n"); printf("Usage: Biomorph (real) (imaginary)\n"); printf("Where real and imaginary are a complex constant\n\n"); Delay(125); } else if (argc == 2 && (*argv[1] == '?')) /* user types '?' */ { printf("\nUsage: Biomorph (real) (imaginary)\n"); printf("Where real and imaginary are a complex constant\n\n"); exit(TRUE); } else { creal = atof(argv[1]); /* user enters complex constant */ cimag = 0.0; if(argc >= 3) cimag = atof(argv[2]); printf("\nComplex constant:\n"); printf("real = %f\n",creal); printf("imaginary = %f\n\n",cimag); Delay(130); } open_all(); /* opens libraries, screen and window */ LoadRGB4(vp,&greycolortable[0],15); /* load color table */ SetRast(rp,3); /* clear window */ /* default graph drawn when program starts */ magfactor = 20; /*where upper left corner of graph should be */ mxstart = -1.0 * magfactor / 2.0; mystart = mxstart; fnum = 3; /* function is cube (z^3 + c) */ genmorph(); /* generate graph */ /* loop which waits for user to access menu */ while (1) { if((message = (struct IntuiMessage *) GetMsg(w->UserPort)) == NULL) { Wait(1L << w->UserPort->mp_SigBit); continue; } stopflag = 0; MessageClass = message->Class; /* get needed data */ MessageCode = message->Code; MousX = w->GZZMouseX; MousY = w->GZZMouseY; ReplyMsg(message); /* respond to message */ switch(MessageClass) { case MENUPICK : analyze(MessageCode); break; /* accessed menu */ case MOUSEBUTTONS : mousezoom(MessageCode); break; /* pressed mouse button */ } } } /* mousezoom()'s purpose is to generate a "zoom box" while mouse button is pressed and held down. When the button is released, the starting coordinates and magnification of the selected box are computed. */ /* mousezoom variable descriptions loop = flag indicating end of zoom box loop setx, = the starting window coordinates sety of the zoom box mx = x distance mouse moves from setx */ void mousezoom(code) USHORT code; /* message code */ { short loop = 1; USHORT mx,setx,sety; switch(code) { case SELECTDOWN : /*left button down*/ setx = MousX; /*set starting point of*/ sety = MousY; /*zoom box */ if(setx >= 215) setx = 0; /*fixes problem when mouse*/ if(sety >= 215) sety = 0; /*points to left | up edge*/ mx = w->GZZMouseX; /*get current mouse x position*/ SetWindowTitles(w,"Zooming!",-1); SetDrMd(rp,COMPLEMENT); /* "self erasing" mode*/ SetAPen(rp,1); Move(rp,setx,sety); /* draw the zoom box */ Draw(rp,mx,sety); Draw(rp,mx,sety + mx - setx); Draw(rp,setx,sety + mx -setx); Draw(rp,setx,sety); while (loop) /*adjusts zoom box while button down*/ { while((message = (struct IntuiMessage *) GetMsg(w->UserPort)) == NULL) { Move(rp,setx,sety); /* erase old box */ Draw(rp,mx,sety); Draw(rp,mx,sety + mx - setx); Draw(rp,setx,sety + mx -setx); Draw(rp,setx,sety); mx = w->GZZMouseX; /* get new x value */ /*stops dragging box to the left*/ if((mx < setx) || (mx > 400)) mx = setx; Move(rp,setx,sety); /* draw new box */ Draw(rp,mx,sety); Draw(rp,mx,sety + mx - setx); Draw(rp,setx,sety + mx -setx); Draw(rp,setx,sety); } MessageClass = message->Class; /*drops out of loop*/ MessageCode = message->Code; /*when a message */ ReplyMsg(message); /*occurs */ switch(MessageClass) { case MOUSEBUTTONS: switch(MessageCode) { case SELECTUP: /* user releases button */ /* set new mag & position based on zoom box */ magfactor =(mx - setx) * increment; mxstart = xstart + ((setx - 2) * increment); mystart = ystart + ((sety - 1) * increment); SetWindowTitles(w,"Got it.",-1); Delay(20); switch(fnum) /* put window title back */ { case 2: SetWindowTitles(w,"z^2 + c",-1); break; case 3: SetWindowTitles(w,"z^3 + c",-1); break; case 4: SetWindowTitles(w,"z^5 + c",-1); break; } Move(rp,setx,sety); /* erase box */ Draw(rp,mx,sety); Draw(rp,mx,sety + mx - setx); Draw(rp,setx,sety + mx -setx); Draw(rp,setx,sety); loop = 0; /* set flag to end loop */ break; } break; } } } } void genmorph() { /* x, = graph loop vars. derived from y current window size n = iteration loop variable value = contains result of window sizing call zreal, = current equation coordinates zimag a, b = temporary storage for math routines */ short x,y,n,value; float zreal,zimag,a,b; SetDrMd(rp,JAM1); stopflag = 0; /* flag to stop generating */ /* setting limits of window size */ winx = w->Width; winy = w->Height; value = WindowLimits(w,winx,winy,210,200); /* how large the graph should be, based on window size */ if(winx < winy) { size = winx - 8; } else { size = winy - 8; } /* how much zreal&imag should be incremented each time through loop */ increment = magfactor / size; xstart = mxstart; /* assign mousezoom() values */ ystart = mystart; for(y = 0; y <= size - 6; ++y) /* y graph loop */ { for(x = 0; x <= size; ++x) /* x graph loop */ { /* setting z value for current coordinates */ zreal = ((float) xstart + (increment * x)); zimag = ((float) ystart + (increment * y)); /* iteration loop */ for(n = 1; n <= 10; ++n) { a = zreal; b = zimag; if (fnum == 2) /* square */ { zreal = a*a - b*b + creal; zimag = 2*a*b + cimag; } else if (fnum == 3) /* cube */ { zreal = a*(a*a - 3*b*b) + creal; zimag = b*(3*a*a - b*b) + cimag; } else if (fnum == 4) /* fifth */ { a = zreal; b = zimag; zreal = a * (a*a*a*a - 10*a*a*b*b + 5*b*b*b*b) + creal; zimag = b * (5*a*a*a*a - 10*a*a*b*b + b*b*b*b) + cimag; } /* break out of loop if result is ever greater than ten */ if(fabs(zreal) > 10 || fabs(zimag) > 10 || (zreal*zreal + zimag*zimag) > 100) break; } /* setting color of pixel based on value of z after iteration */ if(!(fabs(zreal) < 10 || fabs(zimag) < 10)) { SetAPen(rp,14); } else if(fabs(zreal) < fabs(zimag)) { SetAPen(rp,((short) fabs(zreal)) + 4); } else { SetAPen(rp,((short) fabs(zimag)) + 4); } WritePixel(rp,x,y); } /* test for menu access at end of each x loop */ /* clears all messages except newest */ MessageClass = NULL; while(message = (struct IntuiMessage *)GetMsg(w->UserPort)) { MessageClass = message->Class; MessageCode = message->Code; ReplyMsg(message); } if(MessageClass) { switch(MessageClass) { case MENUPICK : analyze(MessageCode); break; } } /* quit generating if user picks Stop from File menu */ if(stopflag) { stopflag = 0; x = size; y = size - 6; } } /* set window size limits back to normal */ value = WindowLimits(w,50,40,210,200); /* enable zoom and power menus */ ClearMenuStrip(w); Zx.Flags = MENUENABLED; Zoom.Flags = MENUENABLED; Stop.Flags |= CHECKED; /* set Stop checkmark */ Generate.Flags = ITEMTEXT | ITEMENABLED | HIGHCOMP | COMMSEQ | CHECKIT; /* unset Generate checkmark */ SetMenuStrip(w,&File); DisplayBeep(NULL); /* flash screen when done */ } /* analyze(): responds to user menu access */ void analyze(Menunumber) USHORT Menunumber; { USHORT Menu, MenuItem; Menu = MENUNUM(Menunumber); MenuItem = ITEMNUM(Menunumber); switch(Menu) { case 0 : /* File Menu */ switch(MenuItem) { case 0 : /* Generate */ if (!(stopflag)) { SetRast(rp,0); ClearMenuStrip(w); Zoom.Flags = NULL; Zx.Flags = NULL; SetMenuStrip(w,&File); genmorph(); } break; case 1 : /* Stop */ stopflag = 1; ClearMenuStrip(w); Zoom.Flags = MENUENABLED; Zx.Flags = MENUENABLED; SetMenuStrip(w,&File); break; case 2 : /* Quit */ close_all(); exit(TRUE); break; } break; case 1 : /* Colors */ switch(MenuItem) { case 0 : /* Grey */ LoadRGB4(vp,&greycolortable[0],15); break; case 1 : /* Red */ LoadRGB4(vp,&redcolortable[0],15); break; case 2 : /* Green */ LoadRGB4(vp,&greencolortable[0],15); break; case 3 : /* Blue */ LoadRGB4(vp,&bluecolortable[0],15); break; } break; case 2 : /* Zoom */ switch(MenuItem) { case 0 : magfactor = 2; mxstart = -1.0 * magfactor / 2.0; mystart = mxstart; break; case 1 : magfactor = 4; mxstart = -1.0 * magfactor / 2.0; mystart = mxstart; break; case 2 : magfactor = 8; mxstart = -1.0 * magfactor / 2.0; mystart = mxstart; break; case 3 : magfactor = 16; mxstart = -1.0 * magfactor / 2.0; mystart = mxstart; break; case 4 : magfactor = 20; mxstart = -1.0 * magfactor / 2.0; mystart = mxstart; break; } break; case 3 : /* Power */ switch(MenuItem) { case 0 : fnum = 2; SetWindowTitles(w,"z^2 + c",-1); break; case 1 : fnum = 3; SetWindowTitles(w,"z^3 + c",-1); break; case 2 : fnum = 4; SetWindowTitles(w,"z^5 + c",-1); break; } break; } } void open_all() { if((IntuitionBase = (struct IntuitionBase *) OpenLibrary("intuition.library", 0L)) == NULL) exit(1); if((MathBase = (struct MathBase *) OpenLibrary("mathffp.library", 0L)) == NULL) exit(1); if ((GfxBase = (struct GfxBase *) OpenLibrary("graphics.library", 0L)) == NULL) exit(1); if ((s = OpenScreen(&myScreen)) == NULL) exit(1); vp = &(s -> ViewPort); myWindow.Screen = s; myWindow.Type = CUSTOMSCREEN; if ((w = OpenWindow(&myWindow)) == NULL) exit(1); rp = w->RPort; SetMenuStrip(w,&File); } void close_all() { while(message = (struct IntuiMessage *)GetMsg(w->UserPort)) { ReplyMsg(message); } if (w) ClearMenuStrip(w); if (w) CloseWindow(w); if (s) CloseScreen(s); if (GfxBase) CloseLibrary(GfxBase); if (IntuitionBase) CloseLibrary(IntuitionBase); }