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Annotation of researchv10no/cmd/map/export/iplot.h, revision 1.1

1.1     ! root        1: /* Plotting functions for v8 and v9 systems */
        !             2: /* This file is an alternative to plot.h */
        !             3: 
        !             4: #define SOLID "solid"
        !             5: #define DOTTED "dotted"
        !             6: #define DASHED "dashed"
        !             7: #define DOTDASH "dotdash"
        !             8: 
        !             9: /* open the plotting output */
        !            10: #define openpl()  printf("o\n")
        !            11: 
        !            12: /* close the plotting output */
        !            13: #define closepl()  printf("cl\n")
        !            14: 
        !            15: /* make sure the page or screen is clear */
        !            16: #define erase() printf("e\n")
        !            17: 
        !            18: /* plot a point at _x,_y, which becomes current */
        !            19: #define point(_x,_y)  printf("poi %d %d\n", _x,_y)
        !            20: 
        !            21: /* coordinates to be assigned to lower left and upper right
        !            22:    corners of (square) plotting area */
        !            23: #define range(_x,_y,_X,_Y)  printf("ra %d %d %d %d\n", _x,_y,_X,_Y)
        !            24: 
        !            25: /* place text, first letter at current point, which does not change */
        !            26: #define text(_s)  {if(*(_s) == ' ')printf("t \"%s\"\n",_s); else printf("t %s\n", _s); }
        !            27: 
        !            28: /* draw line from current point to _x,_y, which becomes current */
        !            29: #define vec(_x,_y)  printf("v %d %d\n", _x,_y)
        !            30: 
        !            31: /* _x,_y becomes current point */
        !            32: #define move(_x, _y)  printf("m %d %d\n", _x, _y)
        !            33: 
        !            34: /* specify style for drawing lines: "dotted", "solid", "dotdash" */
        !            35: #define pen(_s)  printf("pe %s\n", _s)
        !            36: 
        !            37: #define BLACK "black"
        !            38: #define RED "red"
        !            39: #define GREEN "green"
        !            40: #define BLUE "blue"
        !            41: 
        !            42: static struct {
        !            43:        char *name;
        !            44:        char *hsbcode;
        !            45: } colors[] = {
        !            46:        BLACK, "0 0 0",
        !            47:        RED, "0 1 1",
        !            48:        GREEN, ".33 1 1",
        !            49:        BLUE, ".67 1 1"
        !            50: };
        !            51: 
        !            52: static void
        !            53: color(char *s)
        !            54: {
        !            55:        char *t;
        !            56:        int i;
        !            57:        for(i=0; i<sizeof(colors)/sizeof(*colors); i++)
        !            58:                if(strcmp(s, colors[i].name) == 0)
        !            59:                        s = colors[i].hsbcode;
        !            60:        while(t = strchr(s, ','))
        !            61:                *t = ' ';
        !            62:        printf("co \"%s\"\n",s);
        !            63: }

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