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Annotation of 43BSDReno/contrib/isode-beta/others/quipu/uips/pod/photo.c, revision 1.1

1.1     ! root        1: #ifndef lint
        !             2: static char *rcsid = "$Header: /f/osi/others/quipu/uips/pod/RCS/photo.c,v 7.0 90/06/12 13:15:50 mrose Exp $";
        !             3: #endif
        !             4: 
        !             5: /*
        !             6:  * $Header: /f/osi/others/quipu/uips/pod/RCS/photo.c,v 7.0 90/06/12 13:15:50 mrose Exp $
        !             7:  */
        !             8: 
        !             9: /*
        !            10:  * $Log:       photo.c,v $
        !            11:  * Revision 7.0  90/06/12  13:15:50  mrose
        !            12:  * *** empty log message ***
        !            13:  * 
        !            14:  * Revision 1.5  90/04/26  10:21:15  emsrdsm
        !            15:  * *** empty log message ***
        !            16:  * 
        !            17:  * Revision 1.4  90/04/25  13:47:26  emsrdsm
        !            18:  * i) lint'ed
        !            19:  * 
        !            20:  * Revision 1.3  90/04/20  10:28:20  emsrdsm
        !            21:  * (i) fixed form bug
        !            22:  * 
        !            23:  * Revision 1.2  90/04/18  18:48:19  emsrdsm
        !            24:  * i) added logging
        !            25:  * 
        !            26:  * Revision 1.1  90/04/10  16:44:23  emsrdsm
        !            27:  * Initial revision
        !            28:  * 
        !            29:  */
        !            30: 
        !            31: #include "quipu/photo.h"
        !            32: #include "pod.h"
        !            33: 
        !            34: extern Widget toplevel;
        !            35: extern Widget PhotoWindow;
        !            36: 
        !            37: extern GC XCreateGC();
        !            38: GC gc;
        !            39: char photo_name[1024];
        !            40: Pixmap photo_pixmap = 0;
        !            41: Display *dpy;
        !            42: Screen *scr;
        !            43: int winX, winY, winW, winH;
        !            44: extern int NUMLINES,PIC_LINESIZE;
        !            45: extern unsigned position;
        !            46: unsigned long XorVal;
        !            47: 
        !            48: static int passno = 1;
        !            49: static int x, y;
        !            50: int px, py, maxx;
        !            51: 
        !            52: extern int two_passes;
        !            53: 
        !            54: /*ARGSUSED*/
        !            55: photo_start (name)
        !            56: char *name;
        !            57: {
        !            58:   x = y = 0;
        !            59:   if (passno == 1)
        !            60:     maxx = 0, two_passes = 1;
        !            61:   return 0;
        !            62: }
        !            63: 
        !            64: photo_end (name)
        !            65: char *name;
        !            66: {
        !            67:   if (passno == 1) {
        !            68:     passno = 2;
        !            69:     px = x = maxx;
        !            70:     py = --y;
        !            71:   
        !            72:     if (photo_pixmap) {
        !            73:       XFreePixmap(XtDisplay(toplevel), photo_pixmap);
        !            74:       photo_pixmap = 0;
        !            75:     }
        !            76: 
        !            77:     kill_photo();
        !            78:     make_photo_widget();
        !            79: 
        !            80:     dpy = XtDisplay(toplevel);
        !            81:     scr = DefaultScreenOfDisplay(dpy);
        !            82:     
        !            83:     winW = x;
        !            84:     winH = y;
        !            85: 
        !            86:     photo_pixmap = XCreatePixmap(dpy, XtWindow(PhotoWindow),
        !            87:                                 x, y, DefaultDepthOfScreen(scr));
        !            88:     gc = XCreateGC(dpy, photo_pixmap, 0, NULL);
        !            89: 
        !            90:     XSetFunction(dpy, gc, GXclear);
        !            91:     
        !            92:     XSetForeground(dpy, gc, WhitePixelOfScreen(scr));
        !            93:     XSetBackground(dpy, gc, BlackPixelOfScreen(scr));
        !            94:     
        !            95:     XFillRectangle(dpy, photo_pixmap, gc, 0, 0, winW,winH);
        !            96: 
        !            97:     XSetFunction(dpy, gc, GXcopy);
        !            98: 
        !            99:     XSetForeground(dpy, gc, BlackPixelOfScreen(scr));
        !           100:     XSetBackground(dpy, gc, WhitePixelOfScreen(scr));
        !           101: 
        !           102:     XFillRectangle(dpy, photo_pixmap, gc, 0, 0, winW,winH);
        !           103: 
        !           104:     XSetForeground(dpy, gc, WhitePixelOfScreen(scr));
        !           105:     XSetBackground(dpy, gc, BlackPixelOfScreen(scr));
        !           106:     
        !           107:     XorVal = WhitePixelOfScreen(scr) ^ BlackPixelOfScreen(scr);
        !           108:     
        !           109:     return 0;
        !           110:   }
        !           111:   if (name && *name) (void) strcpy(photo_name, name);
        !           112:   passno = 1;
        !           113:   x = y = maxx = 0;
        !           114:   return 0;
        !           115: }
        !           116: 
        !           117: /*ARGSUSED*/
        !           118: photo_line_end (line)
        !           119: bit_string * line;
        !           120: {
        !           121:   /* the end of a line has been reached */
        !           122:   /* A bit string is stored in line->dbuf_top */
        !           123:   
        !           124:   if (passno == 1 && x > maxx)
        !           125:     maxx = x;
        !           126:   x = 0, y++;
        !           127:   
        !           128:   return 0;
        !           129: }
        !           130: 
        !           131: photo_black (length)
        !           132: int length;
        !           133: {
        !           134:   if (passno == 1) {
        !           135:     x += length;
        !           136:     return 0;
        !           137:   }
        !           138:   /* draw a black line of 'length' pixels */
        !           139:   
        !           140:   return 0;
        !           141: }
        !           142: 
        !           143: photo_white (length)
        !           144: int length;
        !           145: {
        !           146:   if (passno == 1) {
        !           147:     x += length;
        !           148:     return 0;
        !           149:   }
        !           150:   
        !           151:   /* draw a white line of 'length' pixels */
        !           152:   XDrawLine (dpy, photo_pixmap, gc, 
        !           153:             position, NUMLINES, length+position-1, NUMLINES);
        !           154:   
        !           155:   return 0;
        !           156: }

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