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- import Color from "../Core/Color.js";
- import defaultValue from "../Core/defaultValue.js";
- import defined from "../Core/defined.js";
- import Event from "../Core/Event.js";
- import GeographicTilingScheme from "../Core/GeographicTilingScheme.js";
- import when from "../ThirdParty/when.js";
- var defaultColor = new Color(1.0, 1.0, 1.0, 0.4);
- var defaultGlowColor = new Color(0.0, 1.0, 0.0, 0.05);
- var defaultBackgroundColor = new Color(0.0, 0.5, 0.0, 0.2);
- function GridImageryProvider(options) {
- options = defaultValue(options, defaultValue.EMPTY_OBJECT);
-
- this.defaultAlpha = undefined;
-
- this.defaultNightAlpha = undefined;
-
- this.defaultDayAlpha = undefined;
-
- this.defaultBrightness = undefined;
-
- this.defaultContrast = undefined;
-
- this.defaultHue = undefined;
-
- this.defaultSaturation = undefined;
-
- this.defaultGamma = undefined;
-
- this.defaultMinificationFilter = undefined;
-
- this.defaultMagnificationFilter = undefined;
- this._tilingScheme = defined(options.tilingScheme)
- ? options.tilingScheme
- : new GeographicTilingScheme({ ellipsoid: options.ellipsoid });
- this._cells = defaultValue(options.cells, 8);
- this._color = defaultValue(options.color, defaultColor);
- this._glowColor = defaultValue(options.glowColor, defaultGlowColor);
- this._glowWidth = defaultValue(options.glowWidth, 6);
- this._backgroundColor = defaultValue(
- options.backgroundColor,
- defaultBackgroundColor
- );
- this._errorEvent = new Event();
- this._tileWidth = defaultValue(options.tileWidth, 256);
- this._tileHeight = defaultValue(options.tileHeight, 256);
-
-
- this._canvasSize = defaultValue(options.canvasSize, 256);
-
- this._canvas = this._createGridCanvas();
- this._readyPromise = when.resolve(true);
- }
- Object.defineProperties(GridImageryProvider.prototype, {
-
- proxy: {
- get: function () {
- return undefined;
- },
- },
-
- tileWidth: {
- get: function () {
- return this._tileWidth;
- },
- },
-
- tileHeight: {
- get: function () {
- return this._tileHeight;
- },
- },
-
- maximumLevel: {
- get: function () {
- return undefined;
- },
- },
-
- minimumLevel: {
- get: function () {
- return undefined;
- },
- },
-
- tilingScheme: {
- get: function () {
- return this._tilingScheme;
- },
- },
-
- rectangle: {
- get: function () {
- return this._tilingScheme.rectangle;
- },
- },
-
- tileDiscardPolicy: {
- get: function () {
- return undefined;
- },
- },
-
- errorEvent: {
- get: function () {
- return this._errorEvent;
- },
- },
-
- ready: {
- get: function () {
- return true;
- },
- },
-
- readyPromise: {
- get: function () {
- return this._readyPromise;
- },
- },
-
- credit: {
- get: function () {
- return undefined;
- },
- },
-
- hasAlphaChannel: {
- get: function () {
- return true;
- },
- },
- });
- GridImageryProvider.prototype._drawGrid = function (context) {
- var minPixel = 0;
- var maxPixel = this._canvasSize;
- for (var x = 0; x <= this._cells; ++x) {
- var nx = x / this._cells;
- var val = 1 + nx * (maxPixel - 1);
- context.moveTo(val, minPixel);
- context.lineTo(val, maxPixel);
- context.moveTo(minPixel, val);
- context.lineTo(maxPixel, val);
- }
- context.stroke();
- };
- GridImageryProvider.prototype._createGridCanvas = function () {
- var canvas = document.createElement("canvas");
- canvas.width = this._canvasSize;
- canvas.height = this._canvasSize;
- var minPixel = 0;
- var maxPixel = this._canvasSize;
- var context = canvas.getContext("2d");
-
- var cssBackgroundColor = this._backgroundColor.toCssColorString();
- context.fillStyle = cssBackgroundColor;
- context.fillRect(minPixel, minPixel, maxPixel, maxPixel);
-
- var cssGlowColor = this._glowColor.toCssColorString();
- context.strokeStyle = cssGlowColor;
-
- context.lineWidth = this._glowWidth;
- context.strokeRect(minPixel, minPixel, maxPixel, maxPixel);
- this._drawGrid(context);
-
- context.lineWidth = this._glowWidth * 0.5;
- context.strokeRect(minPixel, minPixel, maxPixel, maxPixel);
- this._drawGrid(context);
-
- var cssColor = this._color.toCssColorString();
-
- context.strokeStyle = cssColor;
- context.lineWidth = 2;
- context.strokeRect(minPixel, minPixel, maxPixel, maxPixel);
-
- context.lineWidth = 1;
- this._drawGrid(context);
- return canvas;
- };
- GridImageryProvider.prototype.getTileCredits = function (x, y, level) {
- return undefined;
- };
- GridImageryProvider.prototype.requestImage = function (x, y, level, request) {
- return this._canvas;
- };
- GridImageryProvider.prototype.pickFeatures = function (
- x,
- y,
- level,
- longitude,
- latitude
- ) {
- return undefined;
- };
- export default GridImageryProvider;
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