leaflet
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JavaScript library for mobile-friendly interactive maps
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<title>Code coverage report for src/layer/ImageOverlay.js</title>
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<div class='header low'>
<h1>Code coverage report for <span class='entity'>src/layer/ImageOverlay.js</span></h1>
<h2>
Statements: <span class='metric'>4.55% <small>(2 / 44)</small></span>
Branches: <span class='metric'>0% <small>(0 / 16)</small></span>
Functions: <span class='metric'>0% <small>(0 / 13)</small></span>
Lines: <span class='metric'>4.55% <small>(2 / 44)</small></span>
</h2>
<div class="path"><a href="../../index.html">All files</a> » <a href="index.html">src/layer/</a> » ImageOverlay.js</div>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">/*
* L.ImageOverlay is used to overlay images over the map (to specific geographical bounds).
*/
L.ImageOverlay = L.Class.extend({
includes: L.Mixin.Events,
options: {
opacity: 1
},
initialize: <span class="fstat-no" title="function not covered" >function (url, bounds, options) {</span> // (String, LatLngBounds, Object)
<span class="cstat-no" title="statement not covered" > this._url = url;</span>
<span class="cstat-no" title="statement not covered" > this._bounds = L.latLngBounds(bounds);</span>
<span class="cstat-no" title="statement not covered" > L.setOptions(this, options);</span>
},
onAdd: <span class="fstat-no" title="function not covered" >function (map) {</span>
<span class="cstat-no" title="statement not covered" > this._map = map;</span>
<span class="cstat-no" title="statement not covered" > if (!this._image) {</span>
<span class="cstat-no" title="statement not covered" > this._initImage();</span>
}
<span class="cstat-no" title="statement not covered" > map._panes.overlayPane.appendChild(this._image);</span>
<span class="cstat-no" title="statement not covered" > map.on('viewreset', this._reset, this);</span>
<span class="cstat-no" title="statement not covered" > if (map.options.zoomAnimation && L.Browser.any3d) {</span>
<span class="cstat-no" title="statement not covered" > map.on('zoomanim', this._animateZoom, this);</span>
}
<span class="cstat-no" title="statement not covered" > this._reset();</span>
},
onRemove: <span class="fstat-no" title="function not covered" >function (map) {</span>
<span class="cstat-no" title="statement not covered" > map.getPanes().overlayPane.removeChild(this._image);</span>
<span class="cstat-no" title="statement not covered" > map.off('viewreset', this._reset, this);</span>
<span class="cstat-no" title="statement not covered" > if (map.options.zoomAnimation) {</span>
<span class="cstat-no" title="statement not covered" > map.off('zoomanim', this._animateZoom, this);</span>
}
},
addTo: <span class="fstat-no" title="function not covered" >function (map) {</span>
<span class="cstat-no" title="statement not covered" > map.addLayer(this);</span>
<span class="cstat-no" title="statement not covered" > return this;</span>
},
setOpacity: <span class="fstat-no" title="function not covered" >function (opacity) {</span>
<span class="cstat-no" title="statement not covered" > this.options.opacity = opacity;</span>
<span class="cstat-no" title="statement not covered" > this._updateOpacity();</span>
<span class="cstat-no" title="statement not covered" > return this;</span>
},
// TODO remove bringToFront/bringToBack duplication from TileLayer/Path
bringToFront: <span class="fstat-no" title="function not covered" >function () {</span>
<span class="cstat-no" title="statement not covered" > if (this._image) {</span>
<span class="cstat-no" title="statement not covered" > this._map._panes.overlayPane.appendChild(this._image);</span>
}
<span class="cstat-no" title="statement not covered" > return this;</span>
},
bringToBack: <span class="fstat-no" title="function not covered" >function () {</span>
<span class="cstat-no" title="statement not covered" > var pane = this._map._panes.overlayPane;</span>
<span class="cstat-no" title="statement not covered" > if (this._image) {</span>
<span class="cstat-no" title="statement not covered" > pane.insertBefore(this._image, pane.firstChild);</span>
}
<span class="cstat-no" title="statement not covered" > return this;</span>
},
_initImage: <span class="fstat-no" title="function not covered" >function () {</span>
<span class="cstat-no" title="statement not covered" > this._image = L.DomUtil.create('img', 'leaflet-image-layer');</span>
<span class="cstat-no" title="statement not covered" > if (this._map.options.zoomAnimation && L.Browser.any3d) {</span>
<span class="cstat-no" title="statement not covered" > L.DomUtil.addClass(this._image, 'leaflet-zoom-animated');</span>
} else {
<span class="cstat-no" title="statement not covered" > L.DomUtil.addClass(this._image, 'leaflet-zoom-hide');</span>
}
<span class="cstat-no" title="statement not covered" > this._updateOpacity();</span>
//TODO createImage util method to remove duplication
<span class="cstat-no" title="statement not covered" > L.extend(this._image, {</span>
galleryimg: 'no',
onselectstart: L.Util.falseFn,
onmousemove: L.Util.falseFn,
onload: L.bind(this._onImageLoad, this),
src: this._url
});
},
_animateZoom: <span class="fstat-no" title="function not covered" >function (e) {</span>
<span class="cstat-no" title="statement not covered" > var map = this._map,</span>
image = this._image,
scale = map.getZoomScale(e.zoom),
nw = this._bounds.getNorthWest(),
se = this._bounds.getSouthEast(),
topLeft = map._latLngToNewLayerPoint(nw, e.zoom, e.center),
size = map._latLngToNewLayerPoint(se, e.zoom, e.center)._subtract(topLeft),
origin = topLeft._add(size._multiplyBy((1 / 2) * (1 - 1 / scale)));
<span class="cstat-no" title="statement not covered" > image.style[L.DomUtil.TRANSFORM] =</span>
L.DomUtil.getTranslateString(origin) + ' scale(' + scale + ') ';
},
_reset: <span class="fstat-no" title="function not covered" >function () {</span>
<span class="cstat-no" title="statement not covered" > var image = this._image,</span>
topLeft = this._map.latLngToLayerPoint(this._bounds.getNorthWest()),
size = this._map.latLngToLayerPoint(this._bounds.getSouthEast())._subtract(topLeft);
<span class="cstat-no" title="statement not covered" > L.DomUtil.setPosition(image, topLeft);</span>
<span class="cstat-no" title="statement not covered" > image.style.width = size.x + 'px';</span>
<span class="cstat-no" title="statement not covered" > image.style.height = size.y + 'px';</span>
},
_onImageLoad: <span class="fstat-no" title="function not covered" >function () {</span>
<span class="cstat-no" title="statement not covered" > this.fire('load');</span>
},
_updateOpacity: <span class="fstat-no" title="function not covered" >function () {</span>
<span class="cstat-no" title="statement not covered" > L.DomUtil.setOpacity(this._image, this.options.opacity);</span>
}
});
L.imageOverlay = <span class="fstat-no" title="function not covered" >function (url, bounds, options) {</span>
<span class="cstat-no" title="statement not covered" > return new L.ImageOverlay(url, bounds, options);</span>
};
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