function process_eventdata

(

result

)

Definition at line 392 of file index.js.

References color(), drawPix(), i, and var().

Referenced by refresh_graphics().

{
    if (result.length!=160)
        return;

    var canv = document.getElementById("canvas");

    var cw = canv.width;
    var ch = canv.height;

    var ctx = canv.getContext("2d");

    ctx.clearRect(0, 0, cw, ch);
/*
    ctx.beginPath();
    ctx.strokeStyle = "#000000";
    ctx.moveTo(0, 0);
    ctx.lineTo(0, ch);
    ctx.lineTo(cw, ch);
    ctx.lineTo(cw, 0);
    ctx.lineTo(0, 0);
    ctx.stroke();
    ctx.closePath();
    */

    drawPix(0, 0, result.charCodeAt(0));

    var gsSin60 = Math.sqrt(3)/2;

    var cnt = 1;
    for (var ring=1; ring<=30; ring++)
    {
        for (var s=0; s<6; s++)
        {
            for (var i=1; i<=ring; i++)
            {
                var x=0.;
                var y=0.;

                switch (s)
                {
                case 0: x = ring-i*0.5;    y = i*gsSin60;         break;
                case 1: x = ring*0.5-i;    y = ring*gsSin60;      break;
                case 2: x = -(ring+i)*0.5; y = (ring-i)*gsSin60;  break;
                case 3: x = 0.5*i-ring;    y = -i*gsSin60;        break;
                case 4: x = i-ring*0.5;    y = -ring*gsSin60;     break;
                case 5: x = (ring+i)*0.5;  y = (-ring+i)*gsSin60; break;
                }

                if (Math.sqrt(x*x+y*y)>6.7)
                    continue;
                if (ring==7 && i==6 && s==0)
                    continue;
                if (ring==7 && i==1 && s==1)
                    continue;
                if (ring==7 && i==6 && s==3)
                    continue;
                if (ring==7 && i==1 && s==4)
                    continue;

                // Rotate by 60deg
                var px = Math.sin(Math.PI/3)*x - Math.cos(Math.PI/3)*y;
                var py = Math.cos(Math.PI/3)*x + Math.sin(Math.PI/3)*y;

                drawPix(px, py, result.charCodeAt(cnt));
                cnt++;

                if (cnt==159)
                    break;
            }
            if (cnt==159)
                break;
        }
        if (cnt==159)
            break;
    }

    ctx.font         = "8pt Arial";
    ctx.textAlign    = "right";
    ctx.textBaseline = "top";

    ctx.strokeStyle = "#"+color(0);
    ctx.strokeText("-2.0V", cw-5, 135);

    ctx.strokeStyle = "#"+color(16);
    ctx.strokeText("-1.5V", cw-5, 120);

    ctx.strokeStyle = "#"+color(32);
    ctx.strokeText("-1.0V", cw-5, 105);

    ctx.strokeStyle = "#"+color(48);
    ctx.strokeText("-0.5V", cw-5, 90);

    ctx.strokeStyle = "#"+color(64);
    ctx.strokeText("0V", cw-5, 70);

    ctx.strokeStyle = "#"+color(80);
    ctx.strokeText("0.5V", cw-5, 50);

    ctx.strokeStyle = "#"+color(86);
    ctx.strokeText("1.0V", cw-5, 35);

    ctx.strokeStyle = "#"+color(102);
    ctx.strokeText("1.5V", cw-5, 20);

    ctx.strokeStyle = "#"+color(127);
    ctx.strokeText("2.0V", cw-5, 5);

}

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