cione-comp-lib
Version:
`$ yarn add cione-comp-lib` 或者 `$ npm i cione-comp-lib -S`
111 lines (110 loc) • 4.1 kB
JavaScript
import { prepareDataCoordInfo, getStackedOnPoint } from "./helper.mjs";
import { createFloat32Array } from "../../util/vendor.mjs";
function diffData(oldData, newData) {
var diffResult = [];
newData.diff(oldData).add(function(idx) {
diffResult.push({
cmd: "+",
idx
});
}).update(function(newIdx, oldIdx) {
diffResult.push({
cmd: "=",
idx: oldIdx,
idx1: newIdx
});
}).remove(function(idx) {
diffResult.push({
cmd: "-",
idx
});
}).execute();
return diffResult;
}
function lineAnimationDiff(oldData, newData, oldStackedOnPoints, newStackedOnPoints, oldCoordSys, newCoordSys, oldValueOrigin, newValueOrigin) {
var diff = diffData(oldData, newData);
var currPoints = [];
var nextPoints = [];
var currStackedPoints = [];
var nextStackedPoints = [];
var status = [];
var sortedIndices = [];
var rawIndices = [];
var newDataOldCoordInfo = prepareDataCoordInfo(oldCoordSys, newData, oldValueOrigin);
var oldPoints = oldData.getLayout("points") || [];
var newPoints = newData.getLayout("points") || [];
for (var i = 0; i < diff.length; i++) {
var diffItem = diff[i];
var pointAdded = true;
var oldIdx2 = void 0;
var newIdx2 = void 0;
switch (diffItem.cmd) {
case "=":
oldIdx2 = diffItem.idx * 2;
newIdx2 = diffItem.idx1 * 2;
var currentX = oldPoints[oldIdx2];
var currentY = oldPoints[oldIdx2 + 1];
var nextX = newPoints[newIdx2];
var nextY = newPoints[newIdx2 + 1];
if (isNaN(currentX) || isNaN(currentY)) {
currentX = nextX;
currentY = nextY;
}
currPoints.push(currentX, currentY);
nextPoints.push(nextX, nextY);
currStackedPoints.push(oldStackedOnPoints[oldIdx2], oldStackedOnPoints[oldIdx2 + 1]);
nextStackedPoints.push(newStackedOnPoints[newIdx2], newStackedOnPoints[newIdx2 + 1]);
rawIndices.push(newData.getRawIndex(diffItem.idx1));
break;
case "+":
var newIdx = diffItem.idx;
var newDataDimsForPoint = newDataOldCoordInfo.dataDimsForPoint;
var oldPt = oldCoordSys.dataToPoint([newData.get(newDataDimsForPoint[0], newIdx), newData.get(newDataDimsForPoint[1], newIdx)]);
newIdx2 = newIdx * 2;
currPoints.push(oldPt[0], oldPt[1]);
nextPoints.push(newPoints[newIdx2], newPoints[newIdx2 + 1]);
var stackedOnPoint = getStackedOnPoint(newDataOldCoordInfo, oldCoordSys, newData, newIdx);
currStackedPoints.push(stackedOnPoint[0], stackedOnPoint[1]);
nextStackedPoints.push(newStackedOnPoints[newIdx2], newStackedOnPoints[newIdx2 + 1]);
rawIndices.push(newData.getRawIndex(newIdx));
break;
case "-":
pointAdded = false;
}
if (pointAdded) {
status.push(diffItem);
sortedIndices.push(sortedIndices.length);
}
}
sortedIndices.sort(function(a, b) {
return rawIndices[a] - rawIndices[b];
});
var len = currPoints.length;
var sortedCurrPoints = createFloat32Array(len);
var sortedNextPoints = createFloat32Array(len);
var sortedCurrStackedPoints = createFloat32Array(len);
var sortedNextStackedPoints = createFloat32Array(len);
var sortedStatus = [];
for (var i = 0; i < sortedIndices.length; i++) {
var idx = sortedIndices[i];
var i2 = i * 2;
var idx2 = idx * 2;
sortedCurrPoints[i2] = currPoints[idx2];
sortedCurrPoints[i2 + 1] = currPoints[idx2 + 1];
sortedNextPoints[i2] = nextPoints[idx2];
sortedNextPoints[i2 + 1] = nextPoints[idx2 + 1];
sortedCurrStackedPoints[i2] = currStackedPoints[idx2];
sortedCurrStackedPoints[i2 + 1] = currStackedPoints[idx2 + 1];
sortedNextStackedPoints[i2] = nextStackedPoints[idx2];
sortedNextStackedPoints[i2 + 1] = nextStackedPoints[idx2 + 1];
sortedStatus[i] = status[idx];
}
return {
current: sortedCurrPoints,
next: sortedNextPoints,
stackedOnCurrent: sortedCurrStackedPoints,
stackedOnNext: sortedNextStackedPoints,
status: sortedStatus
};
}
export { lineAnimationDiff as default };