webui-aria2/js/libs/dojox/charting/scaler/primitive.js.uncompressed.js

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//>>built
define("dojox/charting/scaler/primitive", ["dojo/_base/lang"],
function(lang){
var primitive = lang.getObject("dojox.charting.scaler.primitive", true);
return lang.mixin(primitive, {
buildScaler: function(/*Number*/ min, /*Number*/ max, /*Number*/ span, /*Object*/ kwArgs){
if(min == max){
// artificially extend bounds
min -= 0.5;
max += 0.5;
// now the line will be centered
}
return {
bounds: {
lower: min,
upper: max,
from: min,
to: max,
scale: span / (max - min),
span: span
},
scaler: primitive
};
},
buildTicks: function(/*Object*/ scaler, /*Object*/ kwArgs){
return {major: [], minor: [], micro: []}; // Object
},
getTransformerFromModel: function(/*Object*/ scaler){
var offset = scaler.bounds.from, scale = scaler.bounds.scale;
return function(x){ return (x - offset) * scale; }; // Function
},
getTransformerFromPlot: function(/*Object*/ scaler){
var offset = scaler.bounds.from, scale = scaler.bounds.scale;
return function(x){ return x / scale + offset; }; // Function
}
});
});