Yastr

function drawText(deg, text,color) {
    ctx.save();
    ctx.translate(center, center);
    ctx.rotate(deg2rad(deg));
    ctx.textAlign = "right";
    ctx.fillStyle = color;
    ctx.font = '400 ' + wheel_text_size + 'px Helvetica';
    ctx.shadowOffsetX = 0;
    ctx.shadowOffsetY = 0;
    text = text.replace(/&#(\d{1,4});/g, function (fullStr, code) {
        return String.fromCharCode(code);
    });

    var textWidth = canvas_width * 0.2,
        lines = fragmentText(text, textWidth),
        linesLength = lines.length,
        marginTop = wheel_text_size*linesLength/1.5; // для вертикального выравнивая строк

    lines.forEach(function(line, i) {
        ctx.fillText(line, 7 * center / 8, ((i+1) * (wheel_text_size+2))-marginTop);
    });

    ctx.restore();
}