@antv/x6
Version:
JavaScript diagramming library that uses SVG and HTML for rendering
98 lines • 4.29 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.CoordManager = void 0;
const geometry_1 = require("../geometry");
const common_1 = require("../common");
const base_1 = require("./base");
class CoordManager extends base_1.Base {
getClientMatrix() {
return common_1.Dom.createSVGMatrix(this.view.stage.getScreenCTM());
}
/**
* Returns coordinates of the graph viewport, relative to the window.
*/
getClientOffset() {
// see: https://developer.mozilla.org/en-US/docs/Web/API/Element/getBoundingClientRect
const rect = this.view.svg.getBoundingClientRect();
return new geometry_1.Point(rect.left, rect.top);
}
/**
* Returns coordinates of the graph viewport, relative to the document.
*/
getPageOffset() {
// see: https://developer.mozilla.org/en-US/docs/Web/API/Element/getBoundingClientRect
return this.getClientOffset().translate(window.scrollX, window.scrollY);
}
snapToGrid(x, y) {
const p = typeof x === 'number'
? this.clientToLocalPoint(x, y)
: this.clientToLocalPoint(x.x, x.y);
return p.snapToGrid(this.graph.getGridSize());
}
localToGraphPoint(x, y) {
const localPoint = geometry_1.Point.create(x, y);
return common_1.Util.transformPoint(localPoint, this.graph.matrix());
}
localToClientPoint(x, y) {
const localPoint = geometry_1.Point.create(x, y);
return common_1.Util.transformPoint(localPoint, this.getClientMatrix());
}
localToPagePoint(x, y) {
const p = typeof x === 'number'
? this.localToGraphPoint(x, y)
: this.localToGraphPoint(x);
return p.translate(this.getPageOffset());
}
localToGraphRect(x, y, width, height) {
const localRect = geometry_1.Rectangle.create(x, y, width, height);
return common_1.Util.transformRectangle(localRect, this.graph.matrix());
}
localToClientRect(x, y, width, height) {
const localRect = geometry_1.Rectangle.create(x, y, width, height);
return common_1.Util.transformRectangle(localRect, this.getClientMatrix());
}
localToPageRect(x, y, width, height) {
const rect = typeof x === 'number'
? this.localToGraphRect(x, y, width, height)
: this.localToGraphRect(x);
return rect.translate(this.getPageOffset());
}
graphToLocalPoint(x, y) {
const graphPoint = geometry_1.Point.create(x, y);
return common_1.Util.transformPoint(graphPoint, this.graph.matrix().inverse());
}
clientToLocalPoint(x, y) {
const clientPoint = geometry_1.Point.create(x, y);
return common_1.Util.transformPoint(clientPoint, this.getClientMatrix().inverse());
}
clientToGraphPoint(x, y) {
const clientPoint = geometry_1.Point.create(x, y);
return common_1.Util.transformPoint(clientPoint, this.graph.matrix().multiply(this.getClientMatrix().inverse()));
}
pageToLocalPoint(x, y) {
const pagePoint = geometry_1.Point.create(x, y);
const graphPoint = pagePoint.diff(this.getPageOffset());
return this.graphToLocalPoint(graphPoint);
}
graphToLocalRect(x, y, width, height) {
const graphRect = geometry_1.Rectangle.create(x, y, width, height);
return common_1.Util.transformRectangle(graphRect, this.graph.matrix().inverse());
}
clientToLocalRect(x, y, width, height) {
const clientRect = geometry_1.Rectangle.create(x, y, width, height);
return common_1.Util.transformRectangle(clientRect, this.getClientMatrix().inverse());
}
clientToGraphRect(x, y, width, height) {
const clientRect = geometry_1.Rectangle.create(x, y, width, height);
return common_1.Util.transformRectangle(clientRect, this.graph.matrix().multiply(this.getClientMatrix().inverse()));
}
pageToLocalRect(x, y, width, height) {
const graphRect = geometry_1.Rectangle.create(x, y, width, height);
const pageOffset = this.getPageOffset();
graphRect.x -= pageOffset.x;
graphRect.y -= pageOffset.y;
return this.graphToLocalRect(graphRect);
}
}
exports.CoordManager = CoordManager;
//# sourceMappingURL=coord.js.map