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逐步完成前后端服务器

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zack
2025-09-09 15:00:30 +08:00
parent fcb09432e9
commit c7dfa1e9fc
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import { __extends } from "tslib";
import Path from '../graphic/Path.js';
import PathProxy from '../core/PathProxy.js';
import transformPath from './transformPath.js';
import { extend } from '../core/util.js';
var mathSqrt = Math.sqrt;
var mathSin = Math.sin;
var mathCos = Math.cos;
var PI = Math.PI;
function vMag(v) {
return Math.sqrt(v[0] * v[0] + v[1] * v[1]);
}
;
function vRatio(u, v) {
return (u[0] * v[0] + u[1] * v[1]) / (vMag(u) * vMag(v));
}
;
function vAngle(u, v) {
return (u[0] * v[1] < u[1] * v[0] ? -1 : 1)
* Math.acos(vRatio(u, v));
}
;
function processArc(x1, y1, x2, y2, fa, fs, rx, ry, psiDeg, cmd, path) {
var psi = psiDeg * (PI / 180.0);
var xp = mathCos(psi) * (x1 - x2) / 2.0
+ mathSin(psi) * (y1 - y2) / 2.0;
var yp = -1 * mathSin(psi) * (x1 - x2) / 2.0
+ mathCos(psi) * (y1 - y2) / 2.0;
var lambda = (xp * xp) / (rx * rx) + (yp * yp) / (ry * ry);
if (lambda > 1) {
rx *= mathSqrt(lambda);
ry *= mathSqrt(lambda);
}
var f = (fa === fs ? -1 : 1)
* mathSqrt((((rx * rx) * (ry * ry))
- ((rx * rx) * (yp * yp))
- ((ry * ry) * (xp * xp))) / ((rx * rx) * (yp * yp)
+ (ry * ry) * (xp * xp))) || 0;
var cxp = f * rx * yp / ry;
var cyp = f * -ry * xp / rx;
var cx = (x1 + x2) / 2.0
+ mathCos(psi) * cxp
- mathSin(psi) * cyp;
var cy = (y1 + y2) / 2.0
+ mathSin(psi) * cxp
+ mathCos(psi) * cyp;
var theta = vAngle([1, 0], [(xp - cxp) / rx, (yp - cyp) / ry]);
var u = [(xp - cxp) / rx, (yp - cyp) / ry];
var v = [(-1 * xp - cxp) / rx, (-1 * yp - cyp) / ry];
var dTheta = vAngle(u, v);
if (vRatio(u, v) <= -1) {
dTheta = PI;
}
if (vRatio(u, v) >= 1) {
dTheta = 0;
}
if (dTheta < 0) {
var n = Math.round(dTheta / PI * 1e6) / 1e6;
dTheta = PI * 2 + (n % 2) * PI;
}
path.addData(cmd, cx, cy, rx, ry, theta, dTheta, psi, fs);
}
var commandReg = /([mlvhzcqtsa])([^mlvhzcqtsa]*)/ig;
var numberReg = /-?([0-9]*\.)?[0-9]+([eE]-?[0-9]+)?/g;
function createPathProxyFromString(data) {
var path = new PathProxy();
if (!data) {
return path;
}
var cpx = 0;
var cpy = 0;
var subpathX = cpx;
var subpathY = cpy;
var prevCmd;
var CMD = PathProxy.CMD;
var cmdList = data.match(commandReg);
if (!cmdList) {
return path;
}
for (var l = 0; l < cmdList.length; l++) {
var cmdText = cmdList[l];
var cmdStr = cmdText.charAt(0);
var cmd = void 0;
var p = cmdText.match(numberReg) || [];
var pLen = p.length;
for (var i = 0; i < pLen; i++) {
p[i] = parseFloat(p[i]);
}
var off = 0;
while (off < pLen) {
var ctlPtx = void 0;
var ctlPty = void 0;
var rx = void 0;
var ry = void 0;
var psi = void 0;
var fa = void 0;
var fs = void 0;
var x1 = cpx;
var y1 = cpy;
var len = void 0;
var pathData = void 0;
switch (cmdStr) {
case 'l':
cpx += p[off++];
cpy += p[off++];
cmd = CMD.L;
path.addData(cmd, cpx, cpy);
break;
case 'L':
cpx = p[off++];
cpy = p[off++];
cmd = CMD.L;
path.addData(cmd, cpx, cpy);
break;
case 'm':
cpx += p[off++];
cpy += p[off++];
cmd = CMD.M;
path.addData(cmd, cpx, cpy);
subpathX = cpx;
subpathY = cpy;
cmdStr = 'l';
break;
case 'M':
cpx = p[off++];
cpy = p[off++];
cmd = CMD.M;
path.addData(cmd, cpx, cpy);
subpathX = cpx;
subpathY = cpy;
cmdStr = 'L';
break;
case 'h':
cpx += p[off++];
cmd = CMD.L;
path.addData(cmd, cpx, cpy);
break;
case 'H':
cpx = p[off++];
cmd = CMD.L;
path.addData(cmd, cpx, cpy);
break;
case 'v':
cpy += p[off++];
cmd = CMD.L;
path.addData(cmd, cpx, cpy);
break;
case 'V':
cpy = p[off++];
cmd = CMD.L;
path.addData(cmd, cpx, cpy);
break;
case 'C':
cmd = CMD.C;
path.addData(cmd, p[off++], p[off++], p[off++], p[off++], p[off++], p[off++]);
cpx = p[off - 2];
cpy = p[off - 1];
break;
case 'c':
cmd = CMD.C;
path.addData(cmd, p[off++] + cpx, p[off++] + cpy, p[off++] + cpx, p[off++] + cpy, p[off++] + cpx, p[off++] + cpy);
cpx += p[off - 2];
cpy += p[off - 1];
break;
case 'S':
ctlPtx = cpx;
ctlPty = cpy;
len = path.len();
pathData = path.data;
if (prevCmd === CMD.C) {
ctlPtx += cpx - pathData[len - 4];
ctlPty += cpy - pathData[len - 3];
}
cmd = CMD.C;
x1 = p[off++];
y1 = p[off++];
cpx = p[off++];
cpy = p[off++];
path.addData(cmd, ctlPtx, ctlPty, x1, y1, cpx, cpy);
break;
case 's':
ctlPtx = cpx;
ctlPty = cpy;
len = path.len();
pathData = path.data;
if (prevCmd === CMD.C) {
ctlPtx += cpx - pathData[len - 4];
ctlPty += cpy - pathData[len - 3];
}
cmd = CMD.C;
x1 = cpx + p[off++];
y1 = cpy + p[off++];
cpx += p[off++];
cpy += p[off++];
path.addData(cmd, ctlPtx, ctlPty, x1, y1, cpx, cpy);
break;
case 'Q':
x1 = p[off++];
y1 = p[off++];
cpx = p[off++];
cpy = p[off++];
cmd = CMD.Q;
path.addData(cmd, x1, y1, cpx, cpy);
break;
case 'q':
x1 = p[off++] + cpx;
y1 = p[off++] + cpy;
cpx += p[off++];
cpy += p[off++];
cmd = CMD.Q;
path.addData(cmd, x1, y1, cpx, cpy);
break;
case 'T':
ctlPtx = cpx;
ctlPty = cpy;
len = path.len();
pathData = path.data;
if (prevCmd === CMD.Q) {
ctlPtx += cpx - pathData[len - 4];
ctlPty += cpy - pathData[len - 3];
}
cpx = p[off++];
cpy = p[off++];
cmd = CMD.Q;
path.addData(cmd, ctlPtx, ctlPty, cpx, cpy);
break;
case 't':
ctlPtx = cpx;
ctlPty = cpy;
len = path.len();
pathData = path.data;
if (prevCmd === CMD.Q) {
ctlPtx += cpx - pathData[len - 4];
ctlPty += cpy - pathData[len - 3];
}
cpx += p[off++];
cpy += p[off++];
cmd = CMD.Q;
path.addData(cmd, ctlPtx, ctlPty, cpx, cpy);
break;
case 'A':
rx = p[off++];
ry = p[off++];
psi = p[off++];
fa = p[off++];
fs = p[off++];
x1 = cpx, y1 = cpy;
cpx = p[off++];
cpy = p[off++];
cmd = CMD.A;
processArc(x1, y1, cpx, cpy, fa, fs, rx, ry, psi, cmd, path);
break;
case 'a':
rx = p[off++];
ry = p[off++];
psi = p[off++];
fa = p[off++];
fs = p[off++];
x1 = cpx, y1 = cpy;
cpx += p[off++];
cpy += p[off++];
cmd = CMD.A;
processArc(x1, y1, cpx, cpy, fa, fs, rx, ry, psi, cmd, path);
break;
}
}
if (cmdStr === 'z' || cmdStr === 'Z') {
cmd = CMD.Z;
path.addData(cmd);
cpx = subpathX;
cpy = subpathY;
}
prevCmd = cmd;
}
path.toStatic();
return path;
}
var SVGPath = (function (_super) {
__extends(SVGPath, _super);
function SVGPath() {
return _super !== null && _super.apply(this, arguments) || this;
}
SVGPath.prototype.applyTransform = function (m) { };
return SVGPath;
}(Path));
function isPathProxy(path) {
return path.setData != null;
}
function createPathOptions(str, opts) {
var pathProxy = createPathProxyFromString(str);
var innerOpts = extend({}, opts);
innerOpts.buildPath = function (path) {
if (isPathProxy(path)) {
path.setData(pathProxy.data);
var ctx = path.getContext();
if (ctx) {
path.rebuildPath(ctx, 1);
}
}
else {
var ctx = path;
pathProxy.rebuildPath(ctx, 1);
}
};
innerOpts.applyTransform = function (m) {
transformPath(pathProxy, m);
this.dirtyShape();
};
return innerOpts;
}
export function createFromString(str, opts) {
return new SVGPath(createPathOptions(str, opts));
}
export function extendFromString(str, defaultOpts) {
var innerOpts = createPathOptions(str, defaultOpts);
var Sub = (function (_super) {
__extends(Sub, _super);
function Sub(opts) {
var _this = _super.call(this, opts) || this;
_this.applyTransform = innerOpts.applyTransform;
_this.buildPath = innerOpts.buildPath;
return _this;
}
return Sub;
}(SVGPath));
return Sub;
}
export function mergePath(pathEls, opts) {
var pathList = [];
var len = pathEls.length;
for (var i = 0; i < len; i++) {
var pathEl = pathEls[i];
pathList.push(pathEl.getUpdatedPathProxy(true));
}
var pathBundle = new Path(opts);
pathBundle.createPathProxy();
pathBundle.buildPath = function (path) {
if (isPathProxy(path)) {
path.appendPath(pathList);
var ctx = path.getContext();
if (ctx) {
path.rebuildPath(ctx, 1);
}
}
};
return pathBundle;
}
export function clonePath(sourcePath, opts) {
opts = opts || {};
var path = new Path();
if (sourcePath.shape) {
path.setShape(sourcePath.shape);
}
path.setStyle(sourcePath.style);
if (opts.bakeTransform) {
transformPath(path.path, sourcePath.getComputedTransform());
}
else {
if (opts.toLocal) {
path.setLocalTransform(sourcePath.getComputedTransform());
}
else {
path.copyTransform(sourcePath);
}
}
path.buildPath = sourcePath.buildPath;
path.applyTransform = path.applyTransform;
path.z = sourcePath.z;
path.z2 = sourcePath.z2;
path.zlevel = sourcePath.zlevel;
return path;
}