@antv/x6
Version:
JavaScript diagramming library that uses SVG and HTML for rendering.
52 lines • 1.71 kB
JavaScript
export var Interp;
(function (Interp) {
Interp.number = (a, b) => {
const d = b - a;
return (t) => {
return a + d * t;
};
};
Interp.object = (a, b) => {
const keys = Object.keys(a);
return (t) => {
const ret = {};
for (let i = keys.length - 1; i !== -1; i -= 1) {
const key = keys[i];
ret[key] = a[key] + (b[key] - a[key]) * t;
}
return ret;
};
};
Interp.unit = (a, b) => {
const reg = /(-?[0-9]*.[0-9]*)(px|em|cm|mm|in|pt|pc|%)/;
const ma = reg.exec(a);
const mb = reg.exec(b);
const pb = mb ? mb[1] : '';
const aa = ma ? +ma[1] : 0;
const bb = mb ? +mb[1] : 0;
const index = pb.indexOf('.');
const precision = index > 0 ? pb[1].length - index - 1 : 0;
const d = bb - aa;
const u = ma ? ma[2] : '';
return (t) => {
return (aa + d * t).toFixed(precision) + u;
};
};
Interp.color = (a, b) => {
const ca = parseInt(a.slice(1), 16);
const cb = parseInt(b.slice(1), 16);
const ra = ca & 0x0000ff;
const rd = (cb & 0x0000ff) - ra;
const ga = ca & 0x00ff00;
const gd = (cb & 0x00ff00) - ga;
const ba = ca & 0xff0000;
const bd = (cb & 0xff0000) - ba;
return (t) => {
const r = (ra + rd * t) & 0x000000ff;
const g = (ga + gd * t) & 0x0000ff00;
const b = (ba + bd * t) & 0x00ff0000;
return `#${((1 << 24) | r | g | b).toString(16).slice(1)}`;
};
};
})(Interp || (Interp = {}));
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