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632 lines
30 KiB
JavaScript
632 lines
30 KiB
JavaScript
var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
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return extendStatics(d, b);
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};
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return function (d, b) {
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if (typeof b !== "function" && b !== null)
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throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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/**
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* @module ol/renderer/canvas/VectorTileLayer
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*/
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import CanvasBuilderGroup from '../../render/canvas/BuilderGroup.js';
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import CanvasExecutorGroup from '../../render/canvas/ExecutorGroup.js';
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import CanvasTileLayerRenderer from './TileLayer.js';
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import TileState from '../../TileState.js';
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import VectorTileRenderType from '../../layer/VectorTileRenderType.js';
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import ViewHint from '../../ViewHint.js';
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import { HIT_DETECT_RESOLUTION, createHitDetectionImageData, hitDetect, } from '../../render/canvas/hitdetect.js';
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import { apply as applyTransform, create as createTransform, multiply, reset as resetTransform, scale, scale as scaleTransform, translate as translateTransform, } from '../../transform.js';
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import { boundingExtent, buffer, containsExtent, equals, getIntersection, getTopLeft, intersects, } from '../../extent.js';
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import { getSquaredTolerance as getSquaredRenderTolerance, renderFeature, } from '../vector.js';
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import { getUid } from '../../util.js';
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import { toSize } from '../../size.js';
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import { wrapX } from '../../coordinate.js';
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/**
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* @type {!Object<string, Array<import("../../render/canvas.js").BuilderType>>}
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*/
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var IMAGE_REPLAYS = {
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'image': ['Polygon', 'Circle', 'LineString', 'Image', 'Text'],
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'hybrid': ['Polygon', 'LineString'],
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'vector': [],
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};
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/**
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* @type {!Object<string, Array<import("../../render/canvas.js").BuilderType>>}
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*/
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var VECTOR_REPLAYS = {
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'hybrid': ['Image', 'Text', 'Default'],
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'vector': ['Polygon', 'Circle', 'LineString', 'Image', 'Text', 'Default'],
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};
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/**
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* @classdesc
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* Canvas renderer for vector tile layers.
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* @api
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* @extends {CanvasTileLayerRenderer<import("../../layer/VectorTile.js").default>}
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*/
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var CanvasVectorTileLayerRenderer = /** @class */ (function (_super) {
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__extends(CanvasVectorTileLayerRenderer, _super);
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/**
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* @param {import("../../layer/VectorTile.js").default} layer VectorTile layer.
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*/
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function CanvasVectorTileLayerRenderer(layer) {
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var _this = _super.call(this, layer) || this;
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/** @private */
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_this.boundHandleStyleImageChange_ = _this.handleStyleImageChange_.bind(_this);
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/**
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* @private
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* @type {number}
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*/
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_this.renderedLayerRevision_;
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/**
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* @private
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* @type {import("../../transform").Transform}
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*/
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_this.renderedPixelToCoordinateTransform_ = null;
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/**
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* @private
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* @type {number}
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*/
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_this.renderedRotation_;
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/**
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* @private
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* @type {import("../../transform.js").Transform}
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*/
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_this.tmpTransform_ = createTransform();
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return _this;
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}
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/**
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* @param {import("../../VectorRenderTile.js").default} tile Tile.
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* @param {number} pixelRatio Pixel ratio.
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* @param {import("../../proj/Projection").default} projection Projection.
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* @return {boolean|undefined} Tile needs to be rendered.
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*/
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CanvasVectorTileLayerRenderer.prototype.prepareTile = function (tile, pixelRatio, projection) {
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var render;
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var state = tile.getState();
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if (state === TileState.LOADED || state === TileState.ERROR) {
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this.updateExecutorGroup_(tile, pixelRatio, projection);
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if (this.tileImageNeedsRender_(tile)) {
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render = true;
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}
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}
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return render;
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};
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/**
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* @param {number} z Tile coordinate z.
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* @param {number} x Tile coordinate x.
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* @param {number} y Tile coordinate y.
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* @param {import("../../PluggableMap.js").FrameState} frameState Frame state.
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* @return {!import("../../Tile.js").default} Tile.
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*/
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CanvasVectorTileLayerRenderer.prototype.getTile = function (z, x, y, frameState) {
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var pixelRatio = frameState.pixelRatio;
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var viewState = frameState.viewState;
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var resolution = viewState.resolution;
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var projection = viewState.projection;
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var layer = this.getLayer();
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var tile = layer.getSource().getTile(z, x, y, pixelRatio, projection);
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var viewHints = frameState.viewHints;
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var hifi = !(viewHints[ViewHint.ANIMATING] || viewHints[ViewHint.INTERACTING]);
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if (hifi || !tile.wantedResolution) {
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tile.wantedResolution = resolution;
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}
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var render = this.prepareTile(tile, pixelRatio, projection);
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if (render &&
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(hifi || Date.now() - frameState.time < 8) &&
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layer.getRenderMode() !== VectorTileRenderType.VECTOR) {
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this.renderTileImage_(tile, frameState);
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}
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return _super.prototype.getTile.call(this, z, x, y, frameState);
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};
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/**
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* @param {import("../../VectorRenderTile.js").default} tile Tile.
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* @return {boolean} Tile is drawable.
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*/
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CanvasVectorTileLayerRenderer.prototype.isDrawableTile = function (tile) {
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var layer = this.getLayer();
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return (_super.prototype.isDrawableTile.call(this, tile) &&
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(layer.getRenderMode() === VectorTileRenderType.VECTOR
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? getUid(layer) in tile.executorGroups
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: tile.hasContext(layer)));
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};
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/**
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* @inheritDoc
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*/
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CanvasVectorTileLayerRenderer.prototype.getTileImage = function (tile) {
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return tile.getImage(this.getLayer());
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};
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/**
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* Determine whether render should be called.
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* @param {import("../../PluggableMap.js").FrameState} frameState Frame state.
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* @return {boolean} Layer is ready to be rendered.
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*/
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CanvasVectorTileLayerRenderer.prototype.prepareFrame = function (frameState) {
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var layerRevision = this.getLayer().getRevision();
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if (this.renderedLayerRevision_ !== layerRevision) {
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this.renderedLayerRevision_ = layerRevision;
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this.renderedTiles.length = 0;
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}
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return _super.prototype.prepareFrame.call(this, frameState);
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};
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/**
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* @param {import("../../VectorRenderTile.js").default} tile Tile.
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* @param {number} pixelRatio Pixel ratio.
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* @param {import("../../proj/Projection.js").default} projection Projection.
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* @private
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*/
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CanvasVectorTileLayerRenderer.prototype.updateExecutorGroup_ = function (tile, pixelRatio, projection) {
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var layer = /** @type {import("../../layer/VectorTile.js").default} */ (this.getLayer());
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var revision = layer.getRevision();
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var renderOrder = layer.getRenderOrder() || null;
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var resolution = tile.wantedResolution;
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var builderState = tile.getReplayState(layer);
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if (!builderState.dirty &&
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builderState.renderedResolution === resolution &&
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builderState.renderedRevision == revision &&
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builderState.renderedRenderOrder == renderOrder) {
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return;
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}
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var source = layer.getSource();
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var declutter = layer.getDeclutter();
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var sourceTileGrid = source.getTileGrid();
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var tileGrid = source.getTileGridForProjection(projection);
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var tileExtent = tileGrid.getTileCoordExtent(tile.wrappedTileCoord);
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var sourceTiles = source.getSourceTiles(pixelRatio, projection, tile);
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var layerUid = getUid(layer);
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delete tile.hitDetectionImageData[layerUid];
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tile.executorGroups[layerUid] = [];
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if (declutter) {
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tile.declutterExecutorGroups[layerUid] = [];
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}
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builderState.dirty = false;
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var _loop_1 = function (t, tt) {
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var sourceTile = sourceTiles[t];
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if (sourceTile.getState() != TileState.LOADED) {
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return "continue";
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}
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var sourceTileCoord = sourceTile.tileCoord;
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var sourceTileExtent = sourceTileGrid.getTileCoordExtent(sourceTileCoord);
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var sharedExtent = getIntersection(tileExtent, sourceTileExtent);
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var builderExtent = buffer(sharedExtent, layer.getRenderBuffer() * resolution, this_1.tmpExtent);
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var bufferedExtent = equals(sourceTileExtent, sharedExtent)
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? null
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: builderExtent;
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var builderGroup = new CanvasBuilderGroup(0, builderExtent, resolution, pixelRatio);
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var declutterBuilderGroup = declutter
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? new CanvasBuilderGroup(0, sharedExtent, resolution, pixelRatio)
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: undefined;
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var squaredTolerance = getSquaredRenderTolerance(resolution, pixelRatio);
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/**
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* @param {import("../../Feature.js").FeatureLike} feature Feature.
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* @this {CanvasVectorTileLayerRenderer}
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*/
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var render = function (feature) {
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var styles;
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var styleFunction = feature.getStyleFunction() || layer.getStyleFunction();
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if (styleFunction) {
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styles = styleFunction(feature, resolution);
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}
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if (styles) {
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var dirty = this.renderFeature(feature, squaredTolerance, styles, builderGroup, declutterBuilderGroup);
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builderState.dirty = builderState.dirty || dirty;
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}
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};
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var features = sourceTile.getFeatures();
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if (renderOrder && renderOrder !== builderState.renderedRenderOrder) {
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features.sort(renderOrder);
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}
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for (var i = 0, ii = features.length; i < ii; ++i) {
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var feature = features[i];
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if (!bufferedExtent ||
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intersects(bufferedExtent, feature.getGeometry().getExtent())) {
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render.call(this_1, feature);
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}
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}
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var executorGroupInstructions = builderGroup.finish();
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// no need to clip when the render tile is covered by a single source tile
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var replayExtent = layer.getRenderMode() !== VectorTileRenderType.VECTOR &&
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declutter &&
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sourceTiles.length === 1
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? null
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: sharedExtent;
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var renderingReplayGroup = new CanvasExecutorGroup(replayExtent, resolution, pixelRatio, source.getOverlaps(), executorGroupInstructions, layer.getRenderBuffer());
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tile.executorGroups[layerUid].push(renderingReplayGroup);
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if (declutterBuilderGroup) {
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var declutterExecutorGroup = new CanvasExecutorGroup(null, resolution, pixelRatio, source.getOverlaps(), declutterBuilderGroup.finish(), layer.getRenderBuffer());
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tile.declutterExecutorGroups[layerUid].push(declutterExecutorGroup);
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}
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};
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var this_1 = this;
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for (var t = 0, tt = sourceTiles.length; t < tt; ++t) {
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_loop_1(t, tt);
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}
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builderState.renderedRevision = revision;
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builderState.renderedRenderOrder = renderOrder;
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builderState.renderedResolution = resolution;
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};
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/**
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* @param {import("../../coordinate.js").Coordinate} coordinate Coordinate.
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* @param {import("../../PluggableMap.js").FrameState} frameState Frame state.
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* @param {number} hitTolerance Hit tolerance in pixels.
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* @param {import("../vector.js").FeatureCallback<T>} callback Feature callback.
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* @param {Array<import("../Map.js").HitMatch<T>>} matches The hit detected matches with tolerance.
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* @return {T|undefined} Callback result.
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* @template T
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*/
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CanvasVectorTileLayerRenderer.prototype.forEachFeatureAtCoordinate = function (coordinate, frameState, hitTolerance, callback, matches) {
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var resolution = frameState.viewState.resolution;
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var rotation = frameState.viewState.rotation;
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hitTolerance = hitTolerance == undefined ? 0 : hitTolerance;
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var layer = this.getLayer();
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var source = layer.getSource();
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var tileGrid = source.getTileGridForProjection(frameState.viewState.projection);
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var hitExtent = boundingExtent([coordinate]);
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buffer(hitExtent, resolution * hitTolerance, hitExtent);
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/** @type {!Object<string, import("../Map.js").HitMatch<T>|true>} */
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var features = {};
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/**
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* @param {import("../../Feature.js").FeatureLike} feature Feature.
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* @param {import("../../geom/SimpleGeometry.js").default} geometry Geometry.
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* @param {number} distanceSq The squared distance to the click position.
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* @return {T|undefined} Callback result.
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*/
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var featureCallback = function (feature, geometry, distanceSq) {
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var key = feature.getId();
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if (key === undefined) {
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key = getUid(feature);
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}
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var match = features[key];
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if (!match) {
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if (distanceSq === 0) {
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features[key] = true;
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return callback(feature, layer, geometry);
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}
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matches.push((features[key] = {
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feature: feature,
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layer: layer,
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geometry: geometry,
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distanceSq: distanceSq,
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callback: callback,
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}));
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}
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else if (match !== true && distanceSq < match.distanceSq) {
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if (distanceSq === 0) {
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features[key] = true;
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matches.splice(matches.lastIndexOf(match), 1);
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return callback(feature, layer, geometry);
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}
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match.geometry = geometry;
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match.distanceSq = distanceSq;
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}
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return undefined;
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};
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var renderedTiles =
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/** @type {Array<import("../../VectorRenderTile.js").default>} */ (this.renderedTiles);
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var found;
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var _loop_2 = function (i, ii) {
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var tile = renderedTiles[i];
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var tileExtent = tileGrid.getTileCoordExtent(tile.wrappedTileCoord);
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if (!intersects(tileExtent, hitExtent)) {
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return "continue";
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}
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var layerUid = getUid(layer);
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var executorGroups = [tile.executorGroups[layerUid]];
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var declutterExecutorGroups = tile.declutterExecutorGroups[layerUid];
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if (declutterExecutorGroups) {
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executorGroups.push(declutterExecutorGroups);
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}
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executorGroups.some(function (executorGroups) {
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var declutteredFeatures = executorGroups === declutterExecutorGroups
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? frameState.declutterTree.all().map(function (item) { return item.value; })
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: null;
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for (var t = 0, tt = executorGroups.length; t < tt; ++t) {
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var executorGroup = executorGroups[t];
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found = executorGroup.forEachFeatureAtCoordinate(coordinate, resolution, rotation, hitTolerance, featureCallback, declutteredFeatures);
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if (found) {
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return true;
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}
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}
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});
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};
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for (var i = 0, ii = renderedTiles.length; !found && i < ii; ++i) {
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_loop_2(i, ii);
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}
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return found;
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};
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/**
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* Asynchronous layer level hit detection.
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* @param {import("../../pixel.js").Pixel} pixel Pixel.
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* @return {Promise<Array<import("../../Feature").default>>} Promise that resolves with an array of features.
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*/
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CanvasVectorTileLayerRenderer.prototype.getFeatures = function (pixel) {
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return new Promise(function (resolve, reject) {
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var layer =
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/** @type {import("../../layer/VectorTile.js").default} */ (this.getLayer());
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var layerUid = getUid(layer);
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var source = layer.getSource();
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var projection = this.renderedProjection;
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var projectionExtent = projection.getExtent();
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var resolution = this.renderedResolution;
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var tileGrid = source.getTileGridForProjection(projection);
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var coordinate = applyTransform(this.renderedPixelToCoordinateTransform_, pixel.slice());
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var tileCoord = tileGrid.getTileCoordForCoordAndResolution(coordinate, resolution);
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var tile;
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for (var i = 0, ii = this.renderedTiles.length; i < ii; ++i) {
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if (tileCoord.toString() === this.renderedTiles[i].tileCoord.toString()) {
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tile = this.renderedTiles[i];
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if (tile.getState() === TileState.LOADED) {
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var extent_1 = tileGrid.getTileCoordExtent(tile.tileCoord);
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if (source.getWrapX() &&
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projection.canWrapX() &&
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!containsExtent(projectionExtent, extent_1)) {
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wrapX(coordinate, projection);
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}
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break;
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}
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tile = undefined;
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}
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}
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if (!tile || tile.loadingSourceTiles > 0) {
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resolve([]);
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return;
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}
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var extent = tileGrid.getTileCoordExtent(tile.wrappedTileCoord);
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var corner = getTopLeft(extent);
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var tilePixel = [
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(coordinate[0] - corner[0]) / resolution,
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(corner[1] - coordinate[1]) / resolution,
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];
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var features = tile
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.getSourceTiles()
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.reduce(function (accumulator, sourceTile) {
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return accumulator.concat(sourceTile.getFeatures());
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}, []);
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var hitDetectionImageData = tile.hitDetectionImageData[layerUid];
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if (!hitDetectionImageData && !this.animatingOrInteracting_) {
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var tileSize = toSize(tileGrid.getTileSize(tileGrid.getZForResolution(resolution, source.zDirection)));
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var rotation = this.renderedRotation_;
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var transforms = [
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this.getRenderTransform(tileGrid.getTileCoordCenter(tile.wrappedTileCoord), resolution, 0, HIT_DETECT_RESOLUTION, tileSize[0] * HIT_DETECT_RESOLUTION, tileSize[1] * HIT_DETECT_RESOLUTION, 0),
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];
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hitDetectionImageData = createHitDetectionImageData(tileSize, transforms, features, layer.getStyleFunction(), tileGrid.getTileCoordExtent(tile.wrappedTileCoord), tile.getReplayState(layer).renderedResolution, rotation);
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tile.hitDetectionImageData[layerUid] = hitDetectionImageData;
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}
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resolve(hitDetect(tilePixel, features, hitDetectionImageData));
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}.bind(this));
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};
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/**
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* Perform action necessary to get the layer rendered after new fonts have loaded
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*/
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CanvasVectorTileLayerRenderer.prototype.handleFontsChanged = function () {
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var layer = this.getLayer();
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if (layer.getVisible() && this.renderedLayerRevision_ !== undefined) {
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layer.changed();
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}
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};
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/**
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* Handle changes in image style state.
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* @param {import("../../events/Event.js").default} event Image style change event.
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* @private
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*/
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CanvasVectorTileLayerRenderer.prototype.handleStyleImageChange_ = function (event) {
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this.renderIfReadyAndVisible();
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};
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/**
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* Render declutter items for this layer
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* @param {import("../../PluggableMap.js").FrameState} frameState Frame state.
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*/
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CanvasVectorTileLayerRenderer.prototype.renderDeclutter = function (frameState) {
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var context = this.context;
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var alpha = context.globalAlpha;
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context.globalAlpha = this.getLayer().getOpacity();
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var viewHints = frameState.viewHints;
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var hifi = !(viewHints[ViewHint.ANIMATING] || viewHints[ViewHint.INTERACTING]);
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var tiles =
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/** @type {Array<import("../../VectorRenderTile.js").default>} */ (this.renderedTiles);
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for (var i = 0, ii = tiles.length; i < ii; ++i) {
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var tile = tiles[i];
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var declutterExecutorGroups = tile.declutterExecutorGroups[getUid(this.getLayer())];
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if (declutterExecutorGroups) {
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for (var j = declutterExecutorGroups.length - 1; j >= 0; --j) {
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declutterExecutorGroups[j].execute(this.context, 1, this.getTileRenderTransform(tile, frameState), frameState.viewState.rotation, hifi, undefined, frameState.declutterTree);
|
|
}
|
|
}
|
|
}
|
|
context.globalAlpha = alpha;
|
|
};
|
|
CanvasVectorTileLayerRenderer.prototype.getTileRenderTransform = function (tile, frameState) {
|
|
var pixelRatio = frameState.pixelRatio;
|
|
var viewState = frameState.viewState;
|
|
var center = viewState.center;
|
|
var resolution = viewState.resolution;
|
|
var rotation = viewState.rotation;
|
|
var size = frameState.size;
|
|
var width = Math.round(size[0] * pixelRatio);
|
|
var height = Math.round(size[1] * pixelRatio);
|
|
var source = this.getLayer().getSource();
|
|
var tileGrid = source.getTileGridForProjection(frameState.viewState.projection);
|
|
var tileCoord = tile.tileCoord;
|
|
var tileExtent = tileGrid.getTileCoordExtent(tile.wrappedTileCoord);
|
|
var worldOffset = tileGrid.getTileCoordExtent(tileCoord, this.tmpExtent)[0] - tileExtent[0];
|
|
var transform = multiply(scale(this.inversePixelTransform.slice(), 1 / pixelRatio, 1 / pixelRatio), this.getRenderTransform(center, resolution, rotation, pixelRatio, width, height, worldOffset));
|
|
return transform;
|
|
};
|
|
/**
|
|
* Render the layer.
|
|
* @param {import("../../PluggableMap.js").FrameState} frameState Frame state.
|
|
* @param {HTMLElement} target Target that may be used to render content to.
|
|
* @return {HTMLElement} The rendered element.
|
|
*/
|
|
CanvasVectorTileLayerRenderer.prototype.renderFrame = function (frameState, target) {
|
|
var viewHints = frameState.viewHints;
|
|
var hifi = !(viewHints[ViewHint.ANIMATING] || viewHints[ViewHint.INTERACTING]);
|
|
_super.prototype.renderFrame.call(this, frameState, target);
|
|
this.renderedPixelToCoordinateTransform_ =
|
|
frameState.pixelToCoordinateTransform.slice();
|
|
this.renderedRotation_ = frameState.viewState.rotation;
|
|
var layer = /** @type {import("../../layer/VectorTile.js").default} */ (this.getLayer());
|
|
var renderMode = layer.getRenderMode();
|
|
var context = this.context;
|
|
var alpha = context.globalAlpha;
|
|
context.globalAlpha = layer.getOpacity();
|
|
var replayTypes = VECTOR_REPLAYS[renderMode];
|
|
var viewState = frameState.viewState;
|
|
var rotation = viewState.rotation;
|
|
var tileSource = layer.getSource();
|
|
var tileGrid = tileSource.getTileGridForProjection(viewState.projection);
|
|
var z = tileGrid.getZForResolution(viewState.resolution, tileSource.zDirection);
|
|
var tiles = this.renderedTiles;
|
|
var clips = [];
|
|
var clipZs = [];
|
|
var ready = true;
|
|
for (var i = tiles.length - 1; i >= 0; --i) {
|
|
var tile = /** @type {import("../../VectorRenderTile.js").default} */ (tiles[i]);
|
|
ready = ready && !tile.getReplayState(layer).dirty;
|
|
var executorGroups = tile.executorGroups[getUid(layer)].filter(function (group) { return group.hasExecutors(replayTypes); });
|
|
if (executorGroups.length === 0) {
|
|
continue;
|
|
}
|
|
var transform = this.getTileRenderTransform(tile, frameState);
|
|
var currentZ = tile.tileCoord[0];
|
|
var contextSaved = false;
|
|
// Clip mask for regions in this tile that already filled by a higher z tile
|
|
var currentClip = executorGroups[0].getClipCoords(transform);
|
|
if (currentClip) {
|
|
for (var j = 0, jj = clips.length; j < jj; ++j) {
|
|
if (z !== currentZ && currentZ < clipZs[j]) {
|
|
var clip = clips[j];
|
|
if (intersects([
|
|
currentClip[0],
|
|
currentClip[3],
|
|
currentClip[4],
|
|
currentClip[7],
|
|
], [clip[0], clip[3], clip[4], clip[7]])) {
|
|
if (!contextSaved) {
|
|
context.save();
|
|
contextSaved = true;
|
|
}
|
|
context.beginPath();
|
|
// counter-clockwise (outer ring) for current tile
|
|
context.moveTo(currentClip[0], currentClip[1]);
|
|
context.lineTo(currentClip[2], currentClip[3]);
|
|
context.lineTo(currentClip[4], currentClip[5]);
|
|
context.lineTo(currentClip[6], currentClip[7]);
|
|
// clockwise (inner ring) for higher z tile
|
|
context.moveTo(clip[6], clip[7]);
|
|
context.lineTo(clip[4], clip[5]);
|
|
context.lineTo(clip[2], clip[3]);
|
|
context.lineTo(clip[0], clip[1]);
|
|
context.clip();
|
|
}
|
|
}
|
|
}
|
|
clips.push(currentClip);
|
|
clipZs.push(currentZ);
|
|
}
|
|
for (var t = 0, tt = executorGroups.length; t < tt; ++t) {
|
|
var executorGroup = executorGroups[t];
|
|
executorGroup.execute(context, 1, transform, rotation, hifi, replayTypes);
|
|
}
|
|
if (contextSaved) {
|
|
context.restore();
|
|
}
|
|
}
|
|
context.globalAlpha = alpha;
|
|
this.ready = ready;
|
|
return this.container;
|
|
};
|
|
/**
|
|
* @param {import("../../Feature.js").FeatureLike} feature Feature.
|
|
* @param {number} squaredTolerance Squared tolerance.
|
|
* @param {import("../../style/Style.js").default|Array<import("../../style/Style.js").default>} styles The style or array of styles.
|
|
* @param {import("../../render/canvas/BuilderGroup.js").default} builderGroup Replay group.
|
|
* @param {import("../../render/canvas/BuilderGroup.js").default} [opt_declutterBuilderGroup] Builder group for decluttering.
|
|
* @return {boolean} `true` if an image is loading.
|
|
*/
|
|
CanvasVectorTileLayerRenderer.prototype.renderFeature = function (feature, squaredTolerance, styles, builderGroup, opt_declutterBuilderGroup) {
|
|
if (!styles) {
|
|
return false;
|
|
}
|
|
var loading = false;
|
|
if (Array.isArray(styles)) {
|
|
for (var i = 0, ii = styles.length; i < ii; ++i) {
|
|
loading =
|
|
renderFeature(builderGroup, feature, styles[i], squaredTolerance, this.boundHandleStyleImageChange_, undefined, opt_declutterBuilderGroup) || loading;
|
|
}
|
|
}
|
|
else {
|
|
loading = renderFeature(builderGroup, feature, styles, squaredTolerance, this.boundHandleStyleImageChange_, undefined, opt_declutterBuilderGroup);
|
|
}
|
|
return loading;
|
|
};
|
|
/**
|
|
* @param {import("../../VectorRenderTile.js").default} tile Tile.
|
|
* @return {boolean} A new tile image was rendered.
|
|
* @private
|
|
*/
|
|
CanvasVectorTileLayerRenderer.prototype.tileImageNeedsRender_ = function (tile) {
|
|
var layer = /** @type {import("../../layer/VectorTile.js").default} */ (this.getLayer());
|
|
if (layer.getRenderMode() === VectorTileRenderType.VECTOR) {
|
|
return false;
|
|
}
|
|
var replayState = tile.getReplayState(layer);
|
|
var revision = layer.getRevision();
|
|
var resolution = tile.wantedResolution;
|
|
return (replayState.renderedTileResolution !== resolution ||
|
|
replayState.renderedTileRevision !== revision);
|
|
};
|
|
/**
|
|
* @param {import("../../VectorRenderTile.js").default} tile Tile.
|
|
* @param {import("../../PluggableMap").FrameState} frameState Frame state.
|
|
* @private
|
|
*/
|
|
CanvasVectorTileLayerRenderer.prototype.renderTileImage_ = function (tile, frameState) {
|
|
var layer = /** @type {import("../../layer/VectorTile.js").default} */ (this.getLayer());
|
|
var replayState = tile.getReplayState(layer);
|
|
var revision = layer.getRevision();
|
|
var executorGroups = tile.executorGroups[getUid(layer)];
|
|
replayState.renderedTileRevision = revision;
|
|
var tileCoord = tile.wrappedTileCoord;
|
|
var z = tileCoord[0];
|
|
var source = layer.getSource();
|
|
var pixelRatio = frameState.pixelRatio;
|
|
var viewState = frameState.viewState;
|
|
var projection = viewState.projection;
|
|
var tileGrid = source.getTileGridForProjection(projection);
|
|
var tileResolution = tileGrid.getResolution(tile.tileCoord[0]);
|
|
var renderPixelRatio = (frameState.pixelRatio / tile.wantedResolution) * tileResolution;
|
|
var resolution = tileGrid.getResolution(z);
|
|
var context = tile.getContext(layer);
|
|
// Increase tile size when overzooming for low pixel ratio, to avoid blurry tiles
|
|
pixelRatio = Math.round(Math.max(pixelRatio, renderPixelRatio / pixelRatio));
|
|
var size = source.getTilePixelSize(z, pixelRatio, projection);
|
|
context.canvas.width = size[0];
|
|
context.canvas.height = size[1];
|
|
var renderScale = pixelRatio / renderPixelRatio;
|
|
if (renderScale !== 1) {
|
|
var canvasTransform = resetTransform(this.tmpTransform_);
|
|
scaleTransform(canvasTransform, renderScale, renderScale);
|
|
context.setTransform.apply(context, canvasTransform);
|
|
}
|
|
var tileExtent = tileGrid.getTileCoordExtent(tileCoord, this.tmpExtent);
|
|
var pixelScale = renderPixelRatio / resolution;
|
|
var transform = resetTransform(this.tmpTransform_);
|
|
scaleTransform(transform, pixelScale, -pixelScale);
|
|
translateTransform(transform, -tileExtent[0], -tileExtent[3]);
|
|
for (var i = 0, ii = executorGroups.length; i < ii; ++i) {
|
|
var executorGroup = executorGroups[i];
|
|
executorGroup.execute(context, renderScale, transform, 0, true, IMAGE_REPLAYS[layer.getRenderMode()]);
|
|
}
|
|
replayState.renderedTileResolution = tile.wantedResolution;
|
|
};
|
|
return CanvasVectorTileLayerRenderer;
|
|
}(CanvasTileLayerRenderer));
|
|
export default CanvasVectorTileLayerRenderer;
|
|
//# sourceMappingURL=VectorTileLayer.js.map
|