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Annotation of OpenXM_contrib2/asir2000/plot/if.c, Revision 1.5

1.2       noro        1: /*
                      2:  * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
                      3:  * All rights reserved.
                      4:  *
                      5:  * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
                      6:  * non-exclusive and royalty-free license to use, copy, modify and
                      7:  * redistribute, solely for non-commercial and non-profit purposes, the
                      8:  * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
                      9:  * conditions of this Agreement. For the avoidance of doubt, you acquire
                     10:  * only a limited right to use the SOFTWARE hereunder, and FLL or any
                     11:  * third party developer retains all rights, including but not limited to
                     12:  * copyrights, in and to the SOFTWARE.
                     13:  *
                     14:  * (1) FLL does not grant you a license in any way for commercial
                     15:  * purposes. You may use the SOFTWARE only for non-commercial and
                     16:  * non-profit purposes only, such as academic, research and internal
                     17:  * business use.
                     18:  * (2) The SOFTWARE is protected by the Copyright Law of Japan and
                     19:  * international copyright treaties. If you make copies of the SOFTWARE,
                     20:  * with or without modification, as permitted hereunder, you shall affix
                     21:  * to all such copies of the SOFTWARE the above copyright notice.
                     22:  * (3) An explicit reference to this SOFTWARE and its copyright owner
                     23:  * shall be made on your publication or presentation in any form of the
                     24:  * results obtained by use of the SOFTWARE.
                     25:  * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
1.3       noro       26:  * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
1.2       noro       27:  * for such modification or the source code of the modified part of the
                     28:  * SOFTWARE.
                     29:  *
                     30:  * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
                     31:  * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
                     32:  * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
                     33:  * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
                     34:  * RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
                     35:  * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
                     36:  * UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
                     37:  * OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
                     38:  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
                     39:  * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
                     40:  * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
                     41:  * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
                     42:  * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
                     43:  * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
                     44:  * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
                     45:  * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
                     46:  * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
                     47:  *
1.5     ! noro       48:  * $OpenXM: OpenXM_contrib2/asir2000/plot/if.c,v 1.4 2000/11/07 06:06:40 noro Exp $
1.2       noro       49: */
1.1       noro       50: #include "ca.h"
                     51: #include "parse.h"
                     52: #include "ox.h"
                     53: #include "ifplot.h"
                     54:
                     55: extern jmp_buf ox_env;
                     56:
1.4       noro       57: int open_canvas(NODE arg)
                     58: {
                     59:        int id;
                     60:        struct canvas *can;
                     61:        LIST wsize;
                     62:        STRING wname;
                     63:
                     64:        wsize = (LIST)ARG0(arg);
                     65:        wname = (STRING)ARG1(arg);
                     66:
                     67:        can = canvas[id = search_canvas()];
                     68:        can->mode = MODE_INTERACTIVE;
                     69:        if ( !wsize ) {
                     70:                can->width = DEFAULTWIDTH; can->height = DEFAULTHEIGHT;
                     71:        } else {
                     72:                can->width = QTOS((Q)BDY(BDY(wsize)));
                     73:                can->height = QTOS((Q)BDY(NEXT(BDY(wsize))));
                     74:        }
                     75:        if ( wname )
                     76:                can->wname = BDY(wname);
                     77:        else
                     78:                can->wname = "";
                     79:        create_canvas(can);
                     80:        return id;
                     81: }
                     82:
1.1       noro       83: int plot(NODE arg)
                     84: {
                     85:        int id;
                     86:        NODE n;
                     87:        struct canvas *can;
                     88:        P formula;
                     89:        LIST xrange,yrange,zrange,wsize;
                     90:        STRING wname;
                     91:
                     92:        formula = (P)ARG0(arg);
                     93:        xrange = (LIST)ARG1(arg);
                     94:        yrange = (LIST)ARG2(arg);
                     95:        zrange = (LIST)ARG3(arg);
                     96:        wsize = (LIST)ARG4(arg);
                     97:        wname = (STRING)ARG5(arg);
                     98:
                     99:        can = canvas[id = search_canvas()];
                    100:        n = BDY(xrange); can->vx = VR((P)BDY(n)); n = NEXT(n);
                    101:        can->qxmin = (Q)BDY(n); n = NEXT(n); can->qxmax = (Q)BDY(n);
                    102:        can->xmin = ToReal(can->qxmin); can->xmax = ToReal(can->qxmax);
                    103:        if ( yrange ) {
                    104:                n = BDY(yrange); can->vy = VR((P)BDY(n)); n = NEXT(n);
                    105:                can->qymin = (Q)BDY(n); n = NEXT(n); can->qymax = (Q)BDY(n);
                    106:                can->ymin = ToReal(can->qymin); can->ymax = ToReal(can->qymax);
                    107:                if ( zrange ) {
                    108:                        n = NEXT(BDY(zrange));
                    109:                        can->zmin = ToReal(BDY(n)); n = NEXT(n); can->zmax = ToReal(BDY(n));
                    110:                        if ( n = NEXT(n) )
                    111:                                can->nzstep = QTOS((Q)BDY(n));
                    112:                        else
                    113:                                can->nzstep = MAXGC;
                    114:                        can->mode = MODE_CONPLOT;
                    115:                } else
                    116:                        can->mode = MODE_IFPLOT;
                    117:        } else
                    118:                can->mode = MODE_PLOT;
                    119:        if ( !wsize ) {
                    120:                can->width = DEFAULTWIDTH; can->height = DEFAULTHEIGHT;
                    121:        } else {
                    122:                can->width = QTOS((Q)BDY(BDY(wsize)));
                    123:                can->height = QTOS((Q)BDY(NEXT(BDY(wsize))));
                    124:        }
                    125:        if ( wname )
                    126:                can->wname = BDY(wname);
                    127:        else
                    128:                can->wname = "";
                    129:        can->formula = formula;
                    130:        create_canvas(can);
                    131:        if ( can->mode == MODE_PLOT ) {
                    132:                plotcalc(can);
                    133:                plot_print(display,can);
                    134:        } else
                    135:                ifplotmain(can);
                    136:        copy_to_canvas(can);
                    137:        return id;
                    138: }
                    139:
                    140: int plotover(NODE arg)
                    141: {
                    142:        int index;
                    143:        P formula;
                    144:        struct canvas *can;
                    145:        struct canvas fakecan;
                    146:        VL vl,vl0;
                    147:
                    148:        index = QTOS((Q)ARG0(arg));
                    149:        formula = (P)ARG1(arg);
                    150:        can = canvas[index];
                    151:        if ( !can->window )
                    152:                return -1;
                    153:        get_vars_recursive(formula,&vl);
                    154:        for ( vl0 = vl; vl0; vl0 = NEXT(vl0) )
                    155:                if ( vl0->v->attr == V_IND )
                    156:                        if ( vl->v != can->vx && vl->v != can->vy )
                    157:                                return -1;
                    158:        current_can = can;
                    159:        fakecan = *can; fakecan.formula = formula;
                    160:        if ( can->mode == MODE_PLOT ) {
                    161:                plotcalc(&fakecan);
                    162:                plot_print(display,&fakecan);
                    163:        } else
                    164:                ifplotmain(&fakecan);
                    165:        copy_to_canvas(&fakecan);
                    166:        return index;
                    167: }
                    168:
                    169: int drawcircle(NODE arg)
                    170: {
1.4       noro      171: #if !defined(VISUAL)
1.1       noro      172:        int id;
                    173:        int index;
                    174:        pointer ptr;
                    175:        Q ret;
                    176:        LIST xyr;
                    177:        Obj x,y,r;
                    178:        int wx,wy,wr;
                    179:        struct canvas *can;
                    180:        struct canvas fakecan;
                    181:
                    182:        index = QTOS((Q)ARG0(arg));
                    183:        xyr = (LIST)ARG1(arg);
                    184:        x = (Obj)ARG0(BDY(xyr)); y = (Obj)ARG1(BDY(xyr)); r = (Obj)ARG2(BDY(xyr));
                    185:        can = canvas[index];
                    186:        if ( !can->window )
                    187:                return -1;
                    188:        else {
                    189:                current_can = can;
                    190:                wx = (ToReal(x)-can->xmin)*can->width/(can->xmax-can->xmin);
                    191:                wy = (can->ymax-ToReal(y))*can->height/(can->ymax-can->ymin);
                    192:                wr = ToReal(r);
                    193:                XFillArc(display,can->pix,colorGC,wx-wr/2,wy-wr/2,wr,wr,0,360*64);
                    194:                copy_to_canvas(can);
                    195:                return index;
                    196:        }
1.4       noro      197: #endif
                    198: }
                    199:
                    200: int draw_obj(NODE arg)
                    201: {
                    202:        int index;
1.5     ! noro      203:        int x,y,u,v,len,r;
1.4       noro      204:        NODE obj,n;
                    205:        RealVect *vect;
                    206:        struct canvas *can;
1.5     ! noro      207:        int color;
1.4       noro      208:
                    209:        index = QTOS((Q)ARG0(arg));
                    210:        can = canvas[index];
1.5     ! noro      211:        if ( !can || !can->window ) {
        !           212:                set_lasterror("draw_obj : canvas does not exist");
1.4       noro      213:                return -1;
1.5     ! noro      214:        }
1.4       noro      215:
                    216:        obj = BDY((LIST)ARG1(arg));
1.5     ! noro      217:        if ( argc(arg) == 3 )
        !           218:                color = QTOS((Q)ARG2(arg));
        !           219:        else
        !           220:                color = 0; /* black */
        !           221:        switch ( len = length(obj) ) {
1.4       noro      222:                case 2: /* point */
                    223:                        x = (int)ToReal((Q)ARG0(obj)); y = (int)ToReal((Q)ARG1(obj));
1.5     ! noro      224:                        draw_point(display,can,x,y,color);
        !           225:                        MKRVECT2(vect,x,y); MKNODE(n,vect,can->history); can->history = n;
        !           226:                        break;
        !           227:                case 3: /* circle */
        !           228:                        x = (int)ToReal((Q)ARG0(obj)); y = (int)ToReal((Q)ARG1(obj));
        !           229:                        r = (int)ToReal((Q)ARG2(obj));
        !           230:                        MKRVECT3(vect,x,y,r); MKNODE(n,vect,can->history); can->history = n;
1.4       noro      231:                        break;
                    232:                case 4: /* line */
                    233:                        x = (int)ToReal((Q)ARG0(obj)); y = (int)ToReal((Q)ARG1(obj));
                    234:                        u = (int)ToReal((Q)ARG2(obj)); v = (int)ToReal((Q)ARG3(obj));
1.5     ! noro      235:                        draw_line(display,can,x,y,u,v,color);
1.4       noro      236:                        MKRVECT4(vect,x,y,u,v); MKNODE(n,vect,can->history); can->history = n;
                    237:                        break;
                    238:                default:
1.5     ! noro      239:                        set_lasterror("draw_obj : invalid request");
1.4       noro      240:                        return -1;
                    241:        }
                    242:        return 0;
                    243: }
                    244:
                    245: int clear_canvas(NODE arg)
                    246: {
                    247:        int index;
                    248:        struct canvas *can;
                    249:
                    250:        index = QTOS((Q)ARG0(arg));
                    251:        can = canvas[index];
                    252:        if ( !can || !can->window )
                    253:                return -1;
                    254:        clear_pixmap(can);
                    255:        copy_to_canvas(can);
                    256:        /* clear the history */
                    257:        can->history = 0;
1.1       noro      258: }
                    259:
                    260: #define RealtoDbl(r) ((r)?BDY(r):0.0)
                    261:
                    262: int arrayplot(NODE arg)
                    263: {
                    264:        int id,ix,w,h;
                    265:        VECT array;
                    266:        LIST xrange,wsize;
                    267:        char *wname;
                    268:        NODE n;
                    269:        Q ret;
                    270:        double ymax,ymin,dy,xstep;
                    271:        Real *tab;
                    272:        struct canvas *can;
                    273:        POINT *pa;
                    274:
                    275:        array = (VECT)ARG0(arg);
                    276:        xrange = (LIST)ARG1(arg);
                    277:        can = canvas[id = search_canvas()];
                    278:        n = BDY(xrange); can->vx = VR((P)BDY(n)); n = NEXT(n);
                    279:        can->qxmin = (Q)BDY(n); n = NEXT(n); can->qxmax = (Q)BDY(n);
                    280:        can->xmin = ToReal(can->qxmin); can->xmax = ToReal(can->qxmax);
                    281:        if ( !wsize ) {
                    282:                can->width = DEFAULTWIDTH; can->height = DEFAULTHEIGHT;
                    283:        } else {
                    284:                can->width = QTOS((Q)BDY(BDY(wsize)));
                    285:                can->height = QTOS((Q)BDY(NEXT(BDY(wsize))));
                    286:        }
                    287:        can->wname = wname; can->formula = 0; can->mode = MODE_PLOT;
                    288:        create_canvas(can);
                    289:        w = array->len;
                    290:        h = can->height;
                    291:        tab = (Real *)BDY(array);
                    292:        if ( can->ymax == can->ymin ) {
                    293:                for ( ymax = ymin = RealtoDbl(tab[0]), ix = 1; ix < w; ix++ ) {
                    294:                        if ( RealtoDbl(tab[ix]) > ymax )
                    295:                                ymax = RealtoDbl(tab[ix]);
                    296:                        if ( RealtoDbl(tab[ix]) < ymin )
                    297:                                ymin = RealtoDbl(tab[ix]);
                    298:                }
                    299:                can->ymax = ymax; can->ymin = ymin;
                    300:        } else {
                    301:                ymax = can->ymax; ymin = can->ymin;
                    302:        }
                    303:        dy = ymax-ymin;
                    304:        can->pa = (struct pa *)MALLOC(sizeof(struct pa));
                    305:        can->pa[0].length = w;
                    306:        can->pa[0].pos = pa = (POINT *)MALLOC(w*sizeof(POINT));
                    307:        xstep = (double)can->width/(double)(w-1);
                    308:        for ( ix = 0; ix < w; ix++ ) {
                    309: #ifndef MAXSHORT
                    310: #define MAXSHORT ((short)0x7fff)
                    311: #endif
                    312:                double t;
                    313:
                    314:                pa[ix].x = (int)(ix*xstep);
                    315:                t = (h - 1)*(ymax - RealtoDbl(tab[ix]))/dy;
                    316:                if ( t > MAXSHORT )
                    317:                        pa[ix].y = MAXSHORT;
                    318:                else if ( t < -MAXSHORT )
                    319:                        pa[ix].y = -MAXSHORT;
                    320:                else
                    321:                        pa[ix].y = t;
                    322:        }
                    323:        plot_print(display,can);
                    324:        copy_to_canvas(can);
                    325:        return id;
                    326: }
                    327:
                    328: ifplot_resize(can,spos,epos)
                    329: struct canvas *can;
                    330: POINT spos,epos;
                    331: {
                    332:        struct canvas *ncan;
                    333:        struct canvas fakecan;
                    334:        Q dx,dy,dx2,dy2,xmin,xmax,ymin,ymax,xmid,ymid;
                    335:        Q sx,sy,ex,ey,cw,ch,ten,two;
                    336:        Q s,t;
                    337:        int new;
                    338:        int w,h,m;
                    339:        Q ret;
                    340:
                    341:        if ( XC(spos) < XC(epos) && YC(spos) < YC(epos) ) {
                    342:                if ( can->precise && !can->wide ) {
                    343:                        fakecan = *can; ncan = &fakecan;
                    344:                } else {
                    345:                        new = search_canvas(); ncan = canvas[new];
                    346:                }
                    347:                ncan->mode = can->mode;
                    348:                ncan->zmin = can->zmin; ncan->zmax = can->zmax;
                    349:                ncan->nzstep = can->nzstep;
                    350:                ncan->wname = can->wname;
                    351:                ncan->vx = can->vx; ncan->vy = can->vy;
                    352:                ncan->formula = can->formula;
                    353:                w = XC(epos)-XC(spos);
                    354:                h = YC(epos)-YC(spos);
                    355:                m = MAX(can->width,can->height);
                    356:                if ( can->precise ) {
                    357:                        ncan->width = w; ncan->height = h;
                    358:                } else if ( w > h ) {
                    359:                        ncan->width = m; ncan->height = m * h/w;
                    360:                } else {
                    361:                        ncan->width = m * w/h; ncan->height = m;
                    362:                }
                    363:                if ( can->wide ) {
                    364:                        STOQ(10,ten); STOQ(2,two);
                    365:                        subq(can->qxmax,can->qxmin,&t); mulq(t,ten,&dx);
                    366:                        subq(can->qymax,can->qymin,&t); mulq(t,ten,&dy);
                    367:                        addq(can->qxmax,can->qxmin,&t); divq(t,two,&xmid);
                    368:                        addq(can->qymax,can->qymin,&t); divq(t,two,&ymid);
                    369:                        divq(dx,two,&dx2); divq(dy,two,&dy2);
                    370:                        subq(xmid,dx2,&xmin); addq(xmid,dx2,&xmax);
                    371:                        subq(ymid,dy2,&ymin); addq(ymid,dy2,&ymax);
                    372:                } else {
                    373:                        subq(can->qxmax,can->qxmin,&dx); subq(can->qymax,can->qymin,&dy);
                    374:                        xmin = can->qxmin; xmax = can->qxmax;
                    375:                        ymin = can->qymin; ymax = can->qymax;
                    376:                }
                    377:                STOQ(XC(spos),sx); STOQ(YC(spos),sy); STOQ(XC(epos),ex); STOQ(YC(epos),ey);
                    378:                STOQ(can->width,cw); STOQ(can->height,ch);
                    379:                mulq(sx,dx,&t); divq(t,cw,&s); addq(xmin,s,&ncan->qxmin);
                    380:                mulq(ex,dx,&t); divq(t,cw,&s); addq(xmin,s,&ncan->qxmax);
                    381:                mulq(ey,dy,&t); divq(t,ch,&s); subq(ymax,s,&ncan->qymin);
                    382:                mulq(sy,dy,&t); divq(t,ch,&s); subq(ymax,s,&ncan->qymax);
                    383:                ncan->xmin = ToReal(ncan->qxmin); ncan->xmax = ToReal(ncan->qxmax);
                    384:                ncan->ymin = ToReal(ncan->qymin); ncan->ymax = ToReal(ncan->qymax);
                    385:                if ( can->precise && !can->wide ) {
                    386:                        current_can = can;
                    387:                        alloc_pixmap(ncan);
1.4       noro      388: #if defined(VISUAL)
                    389:                        ncan->real_can = can;
                    390: #endif
1.1       noro      391:                        qifplotmain(ncan);
                    392:                        copy_subimage(ncan,can,spos);
                    393:                        copy_to_canvas(can);
                    394:                } else {
                    395:                        create_canvas(ncan);
                    396:                        if ( can->precise )
                    397:                                qifplotmain(ncan);
                    398:                        else
                    399:                                ifplotmain(ncan);
                    400:                        copy_to_canvas(ncan);
                    401:                }
                    402:        }
                    403: }
                    404:
                    405: plot_resize(can,spos,epos)
                    406: struct canvas *can;
                    407: POINT spos,epos;
                    408: {
                    409:        struct canvas *ncan;
                    410:        Q dx,dx2,xmin,xmax,xmid;
                    411:        double dy,dy2,ymin,ymax,ymid;
                    412:        Q sx,ex,cw,ten,two;
                    413:        double sy,ey;
                    414:        Q s,t;
                    415:        int new;
                    416:        int w,h,m;
                    417:
                    418:        if ( XC(spos) < XC(epos) && YC(spos) < YC(epos) ) {
                    419:                new = search_canvas(); ncan = canvas[new];
                    420:                ncan->mode = can->mode;
                    421:                ncan->zmin = can->zmin; ncan->zmax = can->zmax;
                    422:                ncan->nzstep = can->nzstep;
                    423:                ncan->wname = can->wname;
                    424:                ncan->vx = can->vx; ncan->vy = can->vy;
                    425:                ncan->formula = can->formula;
                    426:                w = XC(epos)-XC(spos);
                    427:                h = YC(epos)-YC(spos);
                    428:                m = MAX(can->width,can->height);
                    429:                if ( w > h ) {
                    430:                        ncan->width = m; ncan->height = m * h/w;
                    431:                } else {
                    432:                        ncan->width = m * w/h; ncan->height = m;
                    433:                }
                    434:                if ( can->wide ) {
                    435:                        STOQ(10,ten); STOQ(2,two);
                    436:                        subq(can->qxmax,can->qxmin,&t); mulq(t,ten,&dx);
                    437:                        addq(can->qxmax,can->qxmin,&t); divq(t,two,&xmid);
                    438:                        divq(dx,two,&dx2); subq(xmid,dx2,&xmin); addq(xmid,dx2,&xmax);
                    439:
                    440:                        dy = (can->ymax-can->ymin)*10;
                    441:                        ymid = (can->ymax+can->ymin)/2;
                    442:                        ymin = ymid-dy/2; ymax = ymid+dy/2;
                    443:                } else {
                    444:                        subq(can->qxmax,can->qxmin,&dx);
                    445:                        xmin = can->qxmin; xmax = can->qxmax;
                    446:
                    447:                        dy = can->ymax-can->ymin;
                    448:                        ymin = can->ymin; ymax = can->ymax;
                    449:                }
                    450:                STOQ(XC(spos),sx); STOQ(XC(epos),ex); STOQ(can->width,cw);
                    451:                mulq(sx,dx,&t); divq(t,cw,&s); addq(xmin,s,&ncan->qxmin);
                    452:                mulq(ex,dx,&t); divq(t,cw,&s); addq(xmin,s,&ncan->qxmax);
                    453:                ncan->xmin = ToReal(ncan->qxmin); ncan->xmax = ToReal(ncan->qxmax);
                    454:
                    455:                ncan->ymin = ymax-YC(epos)*dy/can->height;
                    456:                ncan->ymax = ymax-YC(spos)*dy/can->height;
                    457:
                    458:                create_canvas(ncan);
                    459:                plotcalc(ncan);
                    460:                plot_print(display,ncan);
                    461:                copy_to_canvas(ncan);
                    462:        }
                    463: }
                    464:
                    465: ifplotmain(can)
                    466: struct canvas *can;
                    467: {
                    468:        int width,height;
                    469:        double **tabe,*tabeb;
                    470:        int i;
                    471:
                    472:        width = can->width; height = can->height;
                    473:        tabe = (double **)ALLOCA(width*sizeof(double *));
                    474:        for ( i = 0; i < width; i++ )
                    475:                tabe[i] = (double *)ALLOCA(height*sizeof(double));
                    476:        define_cursor(can->window,runningcur);
                    477:        set_busy(can); set_selection();
                    478:        calc(tabe,can); if_print(display,tabe,can);
                    479:        reset_selection(); reset_busy(can);
                    480:        define_cursor(can->window,normalcur);
                    481: }
                    482:
                    483: qifplotmain(can)
                    484: struct canvas *can;
                    485: {
                    486:        int width,height;
                    487:        char **tabe,*tabeb;
                    488:        int i;
                    489:
                    490:        width = can->width; height = can->height;
                    491:        tabe = (char **)ALLOCA(width*sizeof(char *)+width*height*sizeof(char));
                    492:        bzero(tabe,width*sizeof(char *)+width*height*sizeof(char));
                    493:        for ( i = 0, tabeb = (char *)(tabe+width); i < width; i++ )
                    494:                tabe[i] = tabeb + height*i;
                    495:        define_cursor(can->window,runningcur);
                    496:        set_busy(can); set_selection();
                    497:        qcalc(tabe,can); qif_print(display,tabe,can);
                    498:        reset_selection(); reset_busy(can);
                    499:        define_cursor(can->window,normalcur);
                    500: }

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