diff options
| -rw-r--r-- | web/app/view/MapController.js | 3 | ||||
| -rw-r--r-- | web/arrowstyle.js | 541 | ||||
| -rw-r--r-- | web/debug.html | 1 | ||||
| -rw-r--r-- | web/release.html | 3 |
4 files changed, 545 insertions, 3 deletions
diff --git a/web/app/view/MapController.js b/web/app/view/MapController.js index b53e46671..a9ef8cf44 100644 --- a/web/app/view/MapController.js +++ b/web/app/view/MapController.js @@ -99,8 +99,7 @@ Ext.define('Traccar.view.MapController', { getMarkerStyle: function (radius, color, rotation, text) { return new ol.style.Style({ - image: new ol.style.RegularShape({ - points: 3, + image: new ol.style.Arrow({ radius: radius, fill: new ol.style.Fill({ color: color diff --git a/web/arrowstyle.js b/web/arrowstyle.js new file mode 100644 index 000000000..5d8bda65b --- /dev/null +++ b/web/arrowstyle.js @@ -0,0 +1,541 @@ +goog.provide('ol.style.Arrow'); + +goog.require('goog.asserts'); +goog.require('goog.dom'); +goog.require('ol'); +goog.require('ol.color'); +goog.require('ol.has'); +goog.require('ol.render.canvas'); +goog.require('ol.structs.IHasChecksum'); +goog.require('ol.style.AtlasManager'); +goog.require('ol.style.Fill'); +goog.require('ol.style.Image'); +goog.require('ol.style.ImageState'); +goog.require('ol.style.Stroke'); + + +ol.nullFunction = ol.nullFunction || function() {}; // TODO: remove in 3.11 + + +/** + * @classdesc + * Set arrow style for vector features. + * + * @constructor + * @param {olx.style.ArrowOptions} options Options. + * @extends {ol.style.Image} + * @implements {ol.structs.IHasChecksum} + * @api + */ +ol.style.Arrow = function(options) { + + goog.asserts.assert(options.radius !== undefined, + 'must provide "radius"'); + + /** + * @private + * @type {Array.<string>} + */ + this.checksums_ = null; + + /** + * @private + * @type {HTMLCanvasElement} + */ + this.canvas_ = null; + + /** + * @private + * @type {HTMLCanvasElement} + */ + this.hitDetectionCanvas_ = null; + + /** + * @private + * @type {ol.style.Fill} + */ + this.fill_ = options.fill !== undefined ? options.fill : null; + + /** + * @private + * @type {Array.<number>} + */ + this.origin_ = [0, 0]; + + /** + * @private + * @type {number} + */ + this.radius_ = /** @type {number} */ (options.radius !== undefined ? + options.radius : options.radius1); + + /** + * @private + * @type {number} + */ + this.frontAngle_ = options.frontAngle !== undefined ? + options.frontAngle : Math.PI / 5; + + /** + * @private + * @type {number} + */ + this.backAngle_ = options.backAngle !== undefined ? + options.backAngle : 4 * Math.PI / 5; + + /** + * @private + * @type {ol.style.Stroke} + */ + this.stroke_ = options.stroke !== undefined ? options.stroke : null; + + /** + * @private + * @type {Array.<number>} + */ + this.anchor_ = null; + + /** + * @private + * @type {ol.Size} + */ + this.size_ = null; + + /** + * @private + * @type {ol.Size} + */ + this.imageSize_ = null; + + /** + * @private + * @type {ol.Size} + */ + this.hitDetectionImageSize_ = null; + + this.render_(options.atlasManager); + + /** + * @type {boolean} + */ + var snapToPixel = options.snapToPixel !== undefined ? + options.snapToPixel : true; + + goog.base(this, { + opacity: 1, + rotateWithView: false, + rotation: options.rotation !== undefined ? options.rotation : 0, + scale: 1, + snapToPixel: snapToPixel + }); + +}; +goog.inherits(ol.style.Arrow, ol.style.Image); + + +/** + * @inheritDoc + * @api + */ +ol.style.Arrow.prototype.getAnchor = function() { + return this.anchor_; +}; + + +/** + * Get front angle of the arrow. + * @return {number} Angle in radians. + * @api + */ +ol.style.Arrow.prototype.getFrontAngle = function() { + return this.frontAngle_; +}; + + +/** + * Get back angle of the arrow. + * @return {number} Angle in radians. + * @api + */ +ol.style.Arrow.prototype.getBackAngle = function() { + return this.backAngle_; +}; + + +/** + * Get the fill style for the arrow. + * @return {ol.style.Fill} Fill style. + * @api + */ +ol.style.Arrow.prototype.getFill = function() { + return this.fill_; +}; + + +/** + * @inheritDoc + */ +ol.style.Arrow.prototype.getHitDetectionImage = function(pixelRatio) { + return this.hitDetectionCanvas_; +}; + + +/** + * @inheritDoc + * @api + */ +ol.style.Arrow.prototype.getImage = function(pixelRatio) { + return this.canvas_; +}; + + +/** + * @inheritDoc + */ +ol.style.Arrow.prototype.getImageSize = function() { + return this.imageSize_; +}; + + +/** + * @inheritDoc + */ +ol.style.Arrow.prototype.getHitDetectionImageSize = function() { + return this.hitDetectionImageSize_; +}; + + +/** + * @inheritDoc + */ +ol.style.Arrow.prototype.getImageState = function() { + return ol.style.ImageState.LOADED; +}; + + +/** + * @inheritDoc + * @api + */ +ol.style.Arrow.prototype.getOrigin = function() { + return this.origin_; +}; + + +/** + * Get the (primary) radius for the arrow. + * @return {number} Radius. + * @api + */ +ol.style.Arrow.prototype.getRadius = function() { + return this.radius_; +}; + + +/** + * @inheritDoc + * @api + */ +ol.style.Arrow.prototype.getSize = function() { + return this.size_; +}; + + +/** + * Get the stroke style for the arrow. + * @return {ol.style.Stroke} Stroke style. + * @api + */ +ol.style.Arrow.prototype.getStroke = function() { + return this.stroke_; +}; + + +/** + * @inheritDoc + */ +ol.style.Arrow.prototype.listenImageChange = ol.nullFunction; + + +/** + * @inheritDoc + */ +ol.style.Arrow.prototype.load = ol.nullFunction; + + +/** + * @inheritDoc + */ +ol.style.Arrow.prototype.unlistenImageChange = ol.nullFunction; + + +/** + * @typedef {{ + * strokeStyle: (string|undefined), + * strokeWidth: number, + * size: number, + * lineCap: string, + * lineDash: Array.<number>, + * lineJoin: string, + * miterLimit: number + * }} + */ +ol.style.Arrow.RenderOptions; + + +/** + * @private + * @param {ol.style.AtlasManager|undefined} atlasManager + */ +ol.style.Arrow.prototype.render_ = function(atlasManager) { + var imageSize; + var lineCap = ''; + var lineJoin = ''; + var miterLimit = 0; + var lineDash = null; + var strokeStyle; + var strokeWidth = 0; + + if (this.stroke_) { + strokeStyle = ol.color.asString(this.stroke_.getColor()); + strokeWidth = this.stroke_.getWidth(); + if (strokeWidth === undefined) { + strokeWidth = ol.render.canvas.defaultLineWidth; + } + lineDash = this.stroke_.getLineDash(); + if (!ol.has.CANVAS_LINE_DASH) { + lineDash = null; + } + lineJoin = this.stroke_.getLineJoin(); + if (lineJoin === undefined) { + lineJoin = ol.render.canvas.defaultLineJoin; + } + lineCap = this.stroke_.getLineCap(); + if (lineCap === undefined) { + lineCap = ol.render.canvas.defaultLineCap; + } + miterLimit = this.stroke_.getMiterLimit(); + if (miterLimit === undefined) { + miterLimit = ol.render.canvas.defaultMiterLimit; + } + } + + var size = 2 * (this.radius_ + strokeWidth) + 1; + + /** @type {ol.style.Arrow.RenderOptions} */ + var renderOptions = { + strokeStyle: strokeStyle, + strokeWidth: strokeWidth, + size: size, + lineCap: lineCap, + lineDash: lineDash, + lineJoin: lineJoin, + miterLimit: miterLimit + }; + + if (atlasManager === undefined) { + // no atlas manager is used, create a new canvas + this.canvas_ = /** @type {HTMLCanvasElement} */ + (goog.dom.createElement('CANVAS')); + + this.canvas_.height = size; + this.canvas_.width = size; + + // canvas.width and height are rounded to the closest integer + size = this.canvas_.width; + imageSize = size; + + var context = /** @type {CanvasRenderingContext2D} */ + (this.canvas_.getContext('2d')); + this.draw_(renderOptions, context, 0, 0); + + this.createHitDetectionCanvas_(renderOptions); + } else { + // an atlas manager is used, add the symbol to an atlas + size = Math.round(size); + + var hasCustomHitDetectionImage = !this.fill_; + var renderHitDetectionCallback; + if (hasCustomHitDetectionImage) { + // render the hit-detection image into a separate atlas image + renderHitDetectionCallback = + goog.bind(this.drawHitDetectionCanvas_, this, renderOptions); + } + + var id = this.getChecksum(); + var info = atlasManager.add( + id, size, size, goog.bind(this.draw_, this, renderOptions), + renderHitDetectionCallback); + goog.asserts.assert(info, 'arrow size is too large'); + + this.canvas_ = info.image; + this.origin_ = [info.offsetX, info.offsetY]; + imageSize = info.image.width; + + if (hasCustomHitDetectionImage) { + this.hitDetectionCanvas_ = info.hitImage; + this.hitDetectionImageSize_ = + [info.hitImage.width, info.hitImage.height]; + } else { + this.hitDetectionCanvas_ = this.canvas_; + this.hitDetectionImageSize_ = [imageSize, imageSize]; + } + } + + this.anchor_ = [size / 2, size / 2]; + this.size_ = [size, size]; + this.imageSize_ = [imageSize, imageSize]; +}; + + +/** + * @private + * @param {ol.style.Arrow.RenderOptions} renderOptions + * @param {CanvasRenderingContext2D} context + * @param {number} x The origin for the symbol (x). + * @param {number} y The origin for the symbol (y). + */ +ol.style.Arrow.prototype.draw_ = function(renderOptions, context, x, y) { + var innerRadius = this.radius_ / Math.sin(Math.PI - this.backAngle_ / 2) * + Math.sin(this.backAngle_ / 2 - this.frontAngle_); + + // reset transform + context.setTransform(1, 0, 0, 1, 0, 0); + + // then move to (x, y) + context.translate(x, y); + + + context.beginPath(); + + function lineTo(radius, angle) { + context.lineTo( + renderOptions.size / 2 + radius * Math.cos(angle + Math.PI / 2), + renderOptions.size / 2 - radius * Math.sin(angle + Math.PI / 2)); + } + + lineTo(this.radius_, 0); + lineTo(this.radius_, Math.PI - this.frontAngle_); + lineTo(innerRadius, Math.PI); + lineTo(this.radius_, this.frontAngle_ - Math.PI); + lineTo(this.radius_, 0); + + if (this.fill_) { + context.fillStyle = ol.color.asString(this.fill_.getColor()); + context.fill(); + } + if (this.stroke_) { + context.strokeStyle = renderOptions.strokeStyle; + context.lineWidth = renderOptions.strokeWidth; + if (renderOptions.lineDash) { + context.setLineDash(renderOptions.lineDash); + } + context.lineCap = renderOptions.lineCap; + context.lineJoin = renderOptions.lineJoin; + context.miterLimit = renderOptions.miterLimit; + context.stroke(); + } + context.closePath(); +}; + + +/** + * @private + * @param {ol.style.Arrow.RenderOptions} renderOptions + */ +ol.style.Arrow.prototype.createHitDetectionCanvas_ = + function(renderOptions) { + this.hitDetectionImageSize_ = [renderOptions.size, renderOptions.size]; + if (this.fill_) { + this.hitDetectionCanvas_ = this.canvas_; + return; + } + + // if no fill style is set, create an extra hit-detection image with a + // default fill style + this.hitDetectionCanvas_ = /** @type {HTMLCanvasElement} */ + (goog.dom.createElement('CANVAS')); + var canvas = this.hitDetectionCanvas_; + + canvas.height = renderOptions.size; + canvas.width = renderOptions.size; + + var context = /** @type {CanvasRenderingContext2D} */ + (canvas.getContext('2d')); + this.drawHitDetectionCanvas_(renderOptions, context, 0, 0); +}; + + +/** + * @private + * @param {ol.style.Arrow.RenderOptions} renderOptions + * @param {CanvasRenderingContext2D} context + * @param {number} x The origin for the symbol (x). + * @param {number} y The origin for the symbol (y). + */ +ol.style.Arrow.prototype.drawHitDetectionCanvas_ = + function(renderOptions, context, x, y) { + var innerRadius = this.radius_ / Math.sin(Math.PI - this.backAngle_ / 2) * + Math.sin(this.backAngle_ / 2 - this.frontAngle_); + + // reset transform + context.setTransform(1, 0, 0, 1, 0, 0); + + // then move to (x, y) + context.translate(x, y); + + context.beginPath(); + + function lineTo(radius, angle) { + context.lineTo( + renderOptions.size / 2 + radius * Math.cos(angle + Math.PI / 2), + renderOptions.size / 2 - radius * Math.sin(angle + Math.PI / 2)); + } + + lineTo(this.radius_, 0); + lineTo(this.radius_, Math.PI - this.frontAngle_); + lineTo(innerRadius / 2, Math.PI); + lineTo(this.radius_, this.frontAngle_ - Math.PI); + lineTo(this.radius_, 0); + + context.fillStyle = ol.render.canvas.defaultFillStyle; + context.fill(); + if (this.stroke_) { + context.strokeStyle = renderOptions.strokeStyle; + context.lineWidth = renderOptions.strokeWidth; + if (renderOptions.lineDash) { + context.setLineDash(renderOptions.lineDash); + } + context.stroke(); + } + context.closePath(); +}; + + +/** + * @inheritDoc + */ +ol.style.Arrow.prototype.getChecksum = function() { + var strokeChecksum = this.stroke_ ? + this.stroke_.getChecksum() : '-'; + var fillChecksum = this.fill_ ? + this.fill_.getChecksum() : '-'; + + var recalculate = !this.checksums_ || + (strokeChecksum != this.checksums_[1] || + fillChecksum != this.checksums_[2] || + this.radius_ != this.checksums_[3] || + this.frontAngle_ != this.checksums_[4] || + this.backAngle_ != this.checksums_[5]); + + if (recalculate) { + var checksum = 'r' + strokeChecksum + fillChecksum + + (this.radius_ !== undefined ? this.radius_.toString() : '-') + + (this.frontAngle_ !== undefined ? this.frontAngle_.toString() : '-') + + (this.backAngle_ !== undefined ? this.backAngle_.toString() : '-'); + this.checksums_ = [checksum, strokeChecksum, fillChecksum, + this.radius_, this.frontAngle_, this.backAngle_]; + } + + return this.checksums_[0]; +}; diff --git a/web/debug.html b/web/debug.html index 201bdebd1..06c74ef88 100644 --- a/web/debug.html +++ b/web/debug.html @@ -11,6 +11,7 @@ <script src="//cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/ext-all-debug.js"></script> <script src="//cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/classic/theme-neptune/theme-neptune.js"></script> <script src="//cdnjs.cloudflare.com/ajax/libs/ol3/3.10.1/ol-debug.js"></script> +<script src="arrowstyle.js"></script> <script src="locale.js"></script> <script src="app.js"></script> </head> diff --git a/web/release.html b/web/release.html index 490a22551..6307d29d5 100644 --- a/web/release.html +++ b/web/release.html @@ -10,7 +10,8 @@ <link rel="stylesheet" href="app.css"> <script src="//cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/ext-all.js"></script> <script src="//cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/classic/theme-neptune/theme-neptune.js"></script> -<script src="//cdnjs.cloudflare.com/ajax/libs/ol3/3.10.1/ol.min.js"></script> +<script src="//cdnjs.cloudflare.com/ajax/libs/ol3/3.10.1/ol-debug.min.js"></script> +<script src="arrowstyle.js"></script> <script src="locale.js"></script> <script type="text/javascript"> Ext.Loader.loadScript('app.min.js'); 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