diff options
| -rw-r--r-- | web/.jscsrc | 3 | ||||
| -rw-r--r-- | web/.jshintignore | 3 | ||||
| -rw-r--r-- | web/arrow.js | 526 |
3 files changed, 1 insertions, 531 deletions
diff --git a/web/.jscsrc b/web/.jscsrc index 1dd27dc3..7d924ab9 100644 --- a/web/.jscsrc +++ b/web/.jscsrc @@ -1,5 +1,4 @@ { "preset": "crockford", - "maxErrors": 100, - "excludeFiles": ["arrow.js"] + "maxErrors": 100 } diff --git a/web/.jshintignore b/web/.jshintignore index 6a7e8b21..52da2c02 100644 --- a/web/.jshintignore +++ b/web/.jshintignore @@ -1,4 +1 @@ -l10n/** -tests/** locale.js -arrow.js diff --git a/web/arrow.js b/web/arrow.js deleted file mode 100644 index 5c09e2ce..00000000 --- a/web/arrow.js +++ /dev/null @@ -1,526 +0,0 @@ -goog.provide('ol.style.Arrow'); - -goog.require('ol'); -goog.require('ol.color'); -goog.require('ol.dom'); -goog.require('ol.has'); -goog.require('ol.render.canvas'); -goog.require('ol.style.Image'); -goog.require('ol.style.ImageState'); - - - -/** - * @classdesc - * Set arrow style for vector features. - * - * @constructor - * @param {olx.style.ArrowOptions} options Options. - * @extends {ol.style.Image} - * @api - */ -ol.style.Arrow = function(options) { - - goog.DEBUG && console.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; - - /** - * @type {boolean} - */ - var rotateWithView = options.rotateWithView !== undefined ? - options.rotateWithView : false; - - ol.style.Image.call(this, { - opacity: 1, - rotateWithView: rotateWithView, - rotation: options.rotation !== undefined ? options.rotation : 0, - scale: 1, - snapToPixel: snapToPixel - }); - -}; -ol.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.ArrowRenderOptions; - - -/** - * @private - * @param {ol.style.AtlasManager|undefined} atlasManager An atlas manager. - */ -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.ArrowRenderOptions} */ - 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 - var context = ol.dom.createCanvasContext2D(size, size); - this.canvas_ = context.canvas; - - // canvas.width and height are rounded to the closest integer - size = this.canvas_.width; - imageSize = size; - - 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 = - this.drawHitDetectionCanvas_.bind(this, renderOptions); - } - - var id = this.getChecksum(); - var info = atlasManager.add( - id, size, size, this.draw_.bind(this, renderOptions), - renderHitDetectionCallback); - goog.DEBUG && console.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.ArrowRenderOptions} renderOptions Render options. - * @param {CanvasRenderingContext2D} context The rendering 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.colorlike.asColorLike(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.ArrowRenderOptions} renderOptions Render options. - */ -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 - var context = ol.dom.createCanvasContext2D(renderOptions.size, renderOptions.size); - this.hitDetectionCanvas_ = context.canvas; - - this.drawHitDetectionCanvas_(renderOptions, context, 0, 0); -}; - - -/** - * @private - * @param {ol.ArrowRenderOptions} renderOptions Render options. - * @param {CanvasRenderingContext2D} context The 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(); -}; - - -/** - * @return {string} The checksum. - */ -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]; -}; |