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c3_chart_internal_fn.getShapeIndices = function (typeFilter) {
var $$ = this, config = $$.config,
indices = {}, i = 0, j, k;
$$.filterTargetsToShow($$.data.targets.filter(typeFilter, $$)).forEach(function (d) {
for (j = 0; j < config.data_groups.length; j++) {
if (config.data_groups[j].indexOf(d.id) < 0) { continue; }
for (k = 0; k < config.data_groups[j].length; k++) {
if (config.data_groups[j][k] in indices) {
indices[d.id] = indices[config.data_groups[j][k]];
break;
}
}
}
if (isUndefined(indices[d.id])) { indices[d.id] = i++; }
});
indices.__max__ = i - 1;
return indices;
};
c3_chart_internal_fn.getShapeX = function (offset, targetsNum, indices, isSub) {
var $$ = this, scale = isSub ? $$.subX : $$.x;
return function (d) {
var index = d.id in indices ? indices[d.id] : 0;
return d.x || d.x === 0 ? scale(d.x) - offset * (targetsNum / 2 - index) : 0;
};
};
c3_chart_internal_fn.getShapeY = function (isSub) {
var $$ = this;
return function (d) {
var scale = isSub ? $$.getSubYScale(d.id) : $$.getYScale(d.id);
return scale(d.value);
};
};
c3_chart_internal_fn.getShapeOffset = function (typeFilter, indices, isSub) {
var $$ = this,
targets = $$.orderTargets($$.filterTargetsToShow($$.data.targets.filter(typeFilter, $$))),
targetIds = targets.map(function (t) { return t.id; });
return function (d, i) {
var scale = isSub ? $$.getSubYScale(d.id) : $$.getYScale(d.id),
y0 = scale(0), offset = y0;
targets.forEach(function (t) {
var values = $$.isStepType(d) ? $$.convertValuesToStep(t.values) : t.values;
if (t.id === d.id || indices[t.id] !== indices[d.id]) { return; }
if (targetIds.indexOf(t.id) < targetIds.indexOf(d.id)) {
if (values[i].value * d.value >= 0) {
offset += scale(values[i].value) - y0;
}
}
});
return offset;
};
};
c3_chart_internal_fn.isWithinShape = function (that, d) {
var $$ = this,
shape = $$.d3.select(that), isWithin;
if (!$$.isTargetToShow(d.id)) {
isWithin = false;
}
else if (that.nodeName === 'circle') {
isWithin = $$.isStepType(d) ? $$.isWithinStep(that, $$.getYScale(d.id)(d.value)) : $$.isWithinCircle(that, $$.pointSelectR(d) * 1.5);
}
else if (that.nodeName === 'path') {
isWithin = shape.classed(CLASS.bar) ? $$.isWithinBar(that) : true;
}
return isWithin;
};
c3_chart_internal_fn.getInterpolate = function (d) {
var $$ = this;
return $$.isSplineType(d) ? "cardinal" : $$.isStepType(d) ? $$.config.line_step_type : "linear";
};
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