@antv/f2
Version:
Charts for mobile visualization.
83 lines (82 loc) • 2.64 kB
JavaScript
;
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.interpolateTransformSvg = exports.interpolateTransformCss = void 0;
var _number = _interopRequireDefault(require("../number.js"));
var _parse = require("./parse.js");
function interpolateTransform(parse, pxComma, pxParen, degParen) {
function pop(s) {
return s.length ? s.pop() + " " : "";
}
function translate(xa, ya, xb, yb, s, q) {
if (xa !== xb || ya !== yb) {
var i = s.push("translate(", null, pxComma, null, pxParen);
q.push({
i: i - 4,
x: (0, _number.default)(xa, xb)
}, {
i: i - 2,
x: (0, _number.default)(ya, yb)
});
} else if (xb || yb) {
s.push("translate(" + xb + pxComma + yb + pxParen);
}
}
function rotate(a, b, s, q) {
if (a !== b) {
if (a - b > 180) b += 360;else if (b - a > 180) a += 360; // shortest path
q.push({
i: s.push(pop(s) + "rotate(", null, degParen) - 2,
x: (0, _number.default)(a, b)
});
} else if (b) {
s.push(pop(s) + "rotate(" + b + degParen);
}
}
function skewX(a, b, s, q) {
if (a !== b) {
q.push({
i: s.push(pop(s) + "skewX(", null, degParen) - 2,
x: (0, _number.default)(a, b)
});
} else if (b) {
s.push(pop(s) + "skewX(" + b + degParen);
}
}
function scale(xa, ya, xb, yb, s, q) {
if (xa !== xb || ya !== yb) {
var i = s.push(pop(s) + "scale(", null, ",", null, ")");
q.push({
i: i - 4,
x: (0, _number.default)(xa, xb)
}, {
i: i - 2,
x: (0, _number.default)(ya, yb)
});
} else if (xb !== 1 || yb !== 1) {
s.push(pop(s) + "scale(" + xb + "," + yb + ")");
}
}
return function (a, b) {
var s = [],
// string constants and placeholders
q = []; // number interpolators
a = parse(a), b = parse(b);
translate(a.translateX, a.translateY, b.translateX, b.translateY, s, q);
rotate(a.rotate, b.rotate, s, q);
skewX(a.skewX, b.skewX, s, q);
scale(a.scaleX, a.scaleY, b.scaleX, b.scaleY, s, q);
a = b = null; // gc
return function (t) {
var i = -1,
n = q.length,
o;
while (++i < n) s[(o = q[i]).i] = o.x(t);
return s.join("");
};
};
}
var interpolateTransformCss = exports.interpolateTransformCss = interpolateTransform(_parse.parseCss, "px, ", "px)", "deg)");
var interpolateTransformSvg = exports.interpolateTransformSvg = interpolateTransform(_parse.parseSvg, ", ", ")", ")");