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Annotation of 43BSD/contrib/X/xfd/xfd.c, revision 1.1

1.1     ! root        1: #include <X/mit-copyright.h>
        !             2: 
        !             3: /* Copyright 1985, Massachusetts Institute of Technology */
        !             4: #ifndef lint
        !             5: static char *rcsid_xfd_c = "$Header: xfd.c,v 10.8 86/02/01 15:58:54 tony Rel $";
        !             6: #endif
        !             7: 
        !             8: #include <X/Xlib.h>
        !             9: #include <stdio.h>
        !            10: #include <strings.h>
        !            11: 
        !            12: short gray_bits[16] = {
        !            13:     0xaaaa, 0x5555, 0xaaaa, 0x5555,
        !            14:     0xaaaa, 0x5555, 0xaaaa, 0x5555,
        !            15:     0xaaaa, 0x5555, 0xaaaa, 0x5555,
        !            16:     0xaaaa, 0x5555, 0xaaaa, 0x5555};
        !            17: 
        !            18: 
        !            19: char chars[9];
        !            20: int last_line;
        !            21: 
        !            22: main(argc, argv) 
        !            23:     int argc;
        !            24:     char **argv;
        !            25:     {
        !            26:     Window w;
        !            27:     FontInfo *fontInfo;
        !            28:     int width;
        !            29:     char *fontname = "vtsingle";
        !            30:     register char *option;
        !            31:     char *border_color;
        !            32:     char *back_color;
        !            33:     char *fore_color;
        !            34:     int border_width;
        !            35:     int reverse = 0;
        !            36:     char *geometry;                    /* user supplied geometry spec */
        !            37:     char def[32];                      /* default size */
        !            38:     int defwidth;
        !            39:     int defheight;
        !            40:     char display[128];
        !            41:     register int i;
        !            42:     OpaqueFrame window;                        /* frame for the window */
        !            43:     Pixmap border_pixmap;
        !            44:     int background;                    /* color of background */
        !            45:     int foreground;                    /* color of graph */
        !            46:     int highlight;                     /* color of text, scale */
        !            47:     Color cdef;
        !            48: 
        !            49:     if ((option = XGetDefault(argv[0],"ReverseVideo")) != NULL )
        !            50:                if (strcmp (option, "on") == 0)
        !            51:                        reverse = 1;
        !            52:     if ((option = XGetDefault(argv[0],"BorderWidth")) != NULL)
        !            53:        border_width = atoi(option);
        !            54:     if ((border_color = XGetDefault(argv[0],"Border")) == NULL)
        !            55:        border_color = XGetDefault(argv[0],"BorderColor");
        !            56:     back_color = XGetDefault(argv[0],"Background");
        !            57:     fore_color = XGetDefault(argv[0],"Foreground");
        !            58:     display[0] = '\0';
        !            59: 
        !            60:     for (i = 1; i < argc; i++) {                       /* Parse line */
        !            61:        if (argv[i][0] == '=') {
        !            62:            geometry = argv[i];
        !            63:            continue;
        !            64:        }
        !            65:        if (index(argv[i], ':') != NULL) {        /* host:display */
        !            66:            (void)strncpy(display, argv[i], sizeof(display));
        !            67:            continue;
        !            68:        }
        !            69:        if (strcmp(argv[i], "-rv") == 0 ||
        !            70:            strcmp(argv[i], "-reverse") == 0) {         /* black on white */
        !            71:            reverse = 1;
        !            72:            continue;
        !            73:        }
        !            74:        if (strcmp(argv[i], "-fw") == 0 ||
        !            75:            strcmp(argv[i], "-forward") == 0) {         /* white on black */
        !            76:            reverse = 0;
        !            77:            continue;
        !            78:        }
        !            79:        if (strcmp(argv[i], "-bw") == 0 ||
        !            80:            strcmp(argv[i], "-border") == 0) {          /* border width */
        !            81:            if (++i >= argc) usage(argv[0]);
        !            82:            border_width = atoi(argv[i]);
        !            83:            continue;
        !            84:        }
        !            85:        if (strcmp(argv[i], "-bd") == 0 ||
        !            86:            strcmp(argv[i], "-color") == 0) {          /* border color */
        !            87:           if (++i >= argc) usage(argv[0]);
        !            88:           border_color = argv[i];
        !            89:           continue;
        !            90:        }
        !            91:        if (strcmp(argv[i], "-fg") == 0 ||
        !            92:            strcmp(argv[i], "-foreground") == 0) {     /* foreground color */
        !            93:           if (++i >= argc) usage(argv[0]);
        !            94:           fore_color = argv[i];
        !            95:           continue;
        !            96:        }
        !            97:        if (strcmp(argv[i], "-bg") == 0 ||
        !            98:            strcmp(argv[i], "-background") == 0) {     /* background color */
        !            99:           if (++i >= argc) usage(argv[0]);
        !           100:           back_color = argv[i];
        !           101:           continue;
        !           102:        }
        !           103:        if (argv[i][0] == '-') usage (argv[0]);
        !           104:        fontname = argv[i];
        !           105:     }
        !           106:     if (!XOpenDisplay(display)) {
        !           107:                fprintf (stderr, "%s: Could not open display %s!\n", argv[0], display);
        !           108:        exit(1);
        !           109:     }
        !           110:     if (!(fontInfo = XOpenFont (fontname))) {
        !           111:                fprintf (stderr, "%s: Could not open font %s!\n", argv[0], fontname);
        !           112:        exit(1);
        !           113:     }
        !           114:     last_line = (unsigned char)(fontInfo->lastchar)/8;
        !           115:     width = ComputeWidth (fontInfo);
        !           116: 
        !           117:     if (border_color && DisplayCells() > 2 &&
        !           118:        XParseColor(border_color, &cdef) && XGetHardwareColor(&cdef))
        !           119:        border_pixmap = XMakeTile(cdef.pixel);
        !           120:     else if (border_color && strcmp(border_color, "black") == 0)
        !           121:        border_pixmap = BlackPixmap;
        !           122:     else if (border_color && strcmp(border_color, "white") == 0)
        !           123:        border_pixmap = WhitePixmap;
        !           124:     else
        !           125:        border_pixmap = XMakePixmap (XStoreBitmap (16, 16, gray_bits),
        !           126:                                        BlackPixel, WhitePixel);
        !           127: 
        !           128:     if (back_color && DisplayCells() > 2 &&
        !           129:        XParseColor(back_color, &cdef) && XGetHardwareColor(&cdef)) {
        !           130:        background = cdef.pixel;
        !           131:     } else if (back_color && strcmp(back_color, "white") == 0) {
        !           132:        background = WhitePixel;
        !           133:        reverse = 0;
        !           134:     } else if (back_color && strcmp(back_color, "black") == 0) {
        !           135:        background = BlackPixel;
        !           136:        reverse = 0;
        !           137:     } else
        !           138:        background = BlackPixel;
        !           139: 
        !           140:     if (fore_color && DisplayCells() > 2 &&
        !           141:        XParseColor(fore_color, &cdef) && XGetHardwareColor(&cdef)) {
        !           142:        foreground = cdef.pixel;
        !           143:     } else if (fore_color && strcmp(fore_color, "black") == 0) {
        !           144:        foreground = BlackPixel;
        !           145:        reverse = 0;
        !           146:     } else if (fore_color && strcmp(fore_color, "white") == 0) {
        !           147:        foreground = WhitePixel;
        !           148:        reverse = 0;
        !           149:     } else
        !           150:        foreground = WhitePixel;
        !           151: 
        !           152:     if (reverse) {
        !           153:        highlight = background;
        !           154:        background = foreground;
        !           155:        foreground = highlight;
        !           156:     }
        !           157: 
        !           158:     window.bdrwidth = border_width;
        !           159:     window.border = border_pixmap;
        !           160:     window.background = XMakeTile(background);
        !           161: 
        !           162:     defwidth = width + 10;
        !           163:     defheight = fontInfo->height * (last_line + 1) + 10;
        !           164:     (void) sprintf(def, "=%dx%d+300+300", defwidth, defheight);
        !           165:     w = XCreate ("Font Display", argv[0], geometry, def, &window,
        !           166:                defwidth, defheight);
        !           167: 
        !           168:     if (!w) {
        !           169:        fprintf (stderr, "XCreateWindow failed\n");
        !           170:        exit(1);
        !           171:     }
        !           172:     XSelectInput (w, ExposeWindow | ButtonPressed);
        !           173:     XMapWindow (w);
        !           174:     while (1) {
        !           175:        XEvent event;
        !           176:        int i, j;
        !           177:        XWindowEvent (w, ExposeWindow | ButtonPressed, &event);
        !           178:        if(event.type == ButtonPressed) exit(0);
        !           179:        for (i=0;i<=last_line;i++) {
        !           180:                    for (j=0;j<8;j++)
        !           181:                chars[j] = (char)((8*i)+j);
        !           182:                    XText (w, 5, 5+(i*fontInfo->height), chars, 8,
        !           183:              fontInfo->id, foreground, background);
        !           184:                    }
        !           185:        }
        !           186:     }    
        !           187: 
        !           188: usage (program)
        !           189:        char *program;
        !           190:     {
        !           191:        fprintf(stderr,
        !           192:                "usage: %s [host:display] [=geom] [-fw] [-rv] [-bw] [-bd] [-fg] [-bg] fontname\n", program);
        !           193:        exit(1);
        !           194:     }
        !           195: 
        !           196: ComputeWidth (fontInfo)
        !           197:     FontInfo *fontInfo;
        !           198:     {
        !           199:     int maxwidth, i, j;
        !           200: 
        !           201:     /* Horrible hack needed for first line because line starts
        !           202:        with \0, and XStringWidth considers \0 to terminate string */
        !           203:     for (j=1;j<8;j++)
        !           204:        chars[j] = j;
        !           205:     maxwidth = XStringWidth (&chars[1], fontInfo, 0, 0);
        !           206:     /* add the width of the '\0' character, if it has one */
        !           207:     if (fontInfo->firstchar == '\0')
        !           208:        maxwidth += (fontInfo->fixedwidth ? 
        !           209:            fontInfo->width : fontInfo->widths[0]);
        !           210:     
        !           211:     /* now measure the width of remaining lines */
        !           212:     for (i=1;i<=last_line;i++) {
        !           213:        int this_width;
        !           214:        for (j=0;j<8;j++)
        !           215:            chars[j] = (char)((8*i)+j);
        !           216:        this_width = XStringWidth (chars, fontInfo, 0, 0);
        !           217:        if (this_width > maxwidth)
        !           218:            maxwidth = this_width;
        !           219:        }
        !           220:     return (maxwidth);
        !           221:     }
        !           222:            

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