From 489724142706fd6df4b193c59eca98703dd9c9ed Mon Sep 17 00:00:00 2001 From: Mourner Date: Tue, 7 Jun 2011 11:38:56 +0300 Subject: [PATCH] TileLayer setOpacity method, fixes #102 --- CHANGELOG.md | 2 +- dist/leaflet.js | 18 +++++++++--------- src/layer/tile/TileLayer.js | 23 ++++++++++++++++++++--- 3 files changed, 30 insertions(+), 13 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index b1f0a18c..e07f72d5 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -17,7 +17,7 @@ Leaflet Changelog * Added `setLatLng` and `setRadius` methods to `Circle` and `CircleMarker`. * `LatLngBounds contains` method now accepts `LatLng` in addition to `LatLngBounds`, the same for `Bounds contains` and `Point` * Added TMS tile numbering support through `TileLayer` `scheme: 'tms'` option (by [@tmcw](https://github.com/tmcw)). - * Added `opacity` option to `TileLayer`. + * Added `opacity` option and `setOpacity` method to `TileLayer`. * Added `setLatLng` method to `Marker`. * Added `title` option to `Marker`. * Added `maxZoom` argument to `map.locateAndSetView` method. diff --git a/dist/leaflet.js b/dist/leaflet.js index 13c5a1bc..3ce4e187 100644 --- a/dist/leaflet.js +++ b/dist/leaflet.js @@ -14,11 +14,11 @@ Math.round(this.x);this.y=Math.round(this.y);return this},clone:function(){retur if(a instanceof L.Bounds)b=a.min,a=a.max;return b.x>=this.min.x&&a.x<=this.max.x&&b.y>=this.min.y&&a.y<=this.max.y}});L.Transformation=L.Class.extend({initialize:function(a,b,c,d){this._a=a;this._b=b;this._c=c;this._d=d},transform:function(a,b){return this._transform(a.clone(),b)},_transform:function(a,b){b=b||1;a.x=b*(this._a*a.x+this._b);a.y=b*(this._c*a.y+this._d);return a},untransform:function(a,b){b=b||1;return new L.Point((a.x/b-this._b)/this._a,(a.y/b-this._d)/this._c)}});L.LineUtil={simplify:function(a,b){if(!b)return a.slice();a=this.reducePoints(a,b);return a=this.simplifyDP(a,b)},pointToSegmentDistance:function(a,b,c){return Math.sqrt(this._sqPointToSegmentDist(a,b,c))},simplifyDP:function(a,b){for(var c=0,d=0,e=b*b,f=1,g=a.length,h;fc&&(d=f,c=h);return c>=e?(c=a.slice(0,d),d=a.slice(d),g=this.simplifyDP(c,b).slice(0,g-2),d=this.simplifyDP(d,b),g.concat(d)):[a[0],a[g-1]]},reducePoints:function(a,b){for(var c= [a[0]],d=b*b,e=1,f=0,g=a.length;eb.max.x&&(c|=2);a.yb.max.y&&(c|=8);return c},_sqDist:function(a,b){var c=b.x-a.x,d=b.y-a.y;return c*c+d*d},_sqPointToSegmentDist:function(a,b,c){var d=c.x-b.x,e=c.y-b.y;if(!d&&!e)return this._sqDist(a,b);var f=((a.x-b.x)*d+(a.y-b.y)*e)/this._sqDist(b,c);if(f< -0)return this._sqDist(a,b);if(f>1)return this._sqDist(a,c);b=new L.Point(b.x+d*f,b.y+e*f);return this._sqDist(a,b)}};L.PolyUtil={};L.PolyUtil.clipPolygon=function(a,b){var c,d=[1,4,2,8],e,f,g,h,i,j,k=L.LineUtil;e=0;for(i=a.length;e1)return this._sqDist(a,c);b=new L.Point(b.x+d*f,b.y+e*f);return this._sqDist(a,b)}};L.PolyUtil={};L.PolyUtil.clipPolygon=function(a,b){var c,d=[1,4,2,8],e,f,g,h,j,k,l=L.LineUtil;e=0;for(j=a.length;e0&&c<=h;f=b}}function e(){if(g)i.type="dblclick",b(i),f=null}var f,g=!1,h=250,i;a["_leaflet_touchstart"+c]=d;a["_leaflet_touchend"+c]=e;a.addEventListener("touchstart",d,!1);a.addEventListener("touchend",e,!1)},removeDoubleTapListener:function(a,b){a.removeEventListener(a,a["_leaflet_touchstart"+b],!1);a.removeEventListener(a,a["_leaflet_touchend"+b], +document.documentElement.scrollTop);return b?c.subtract(L.DomUtil.getCumulativeOffset(b)):c},getWheelDelta:function(a){var b=0;a.wheelDelta&&(b=a.wheelDelta/120);a.detail&&(b=-a.detail/3);return b}};L.Util.extend(L.DomEvent,{addDoubleTapListener:function(a,b,c){function d(a){if(a.touches.length==1){var b=Date.now(),c=b-(f||b);j=a.touches[0];g=c>0&&c<=h;f=b}}function e(){if(g)j.type="dblclick",b(j),f=null}var f,g=!1,h=250,j;a["_leaflet_touchstart"+c]=d;a["_leaflet_touchend"+c]=e;a.addEventListener("touchstart",d,!1);a.addEventListener("touchend",e,!1)},removeDoubleTapListener:function(a,b){a.removeEventListener(a,a["_leaflet_touchstart"+b],!1);a.removeEventListener(a,a["_leaflet_touchend"+b], !1)}});L.DomUtil={get:function(a){return typeof a=="string"?document.getElementById(a):a},getStyle:function(a,b){var c=a.style[b];!c&&a.currentStyle&&(c=a.currentStyle[b]);if(!c||c=="auto")c=(c=document.defaultView.getComputedStyle(a,null))?c[b]:null;return c=="auto"?null:c},getCumulativeOffset:function(a){var b=0,c=0;do b+=a.offsetTop||0,c+=a.offsetLeft||0,a=a.offsetParent;while(a);return new L.Point(c,b)},create:function(a,b,c){a=document.createElement(a);a.className=b;c&&c.appendChild(a);return a},disableTextSelection:function(){document.selection&& document.selection.empty&&document.selection.empty();if(!this._onselectstart)this._onselectstart=document.onselectstart,document.onselectstart=L.Util.falseFn},enableTextSelection:function(){document.onselectstart=this._onselectstart;this._onselectstart=null},CLASS_RE:/(\\s|^)'+cls+'(\\s|$)/,hasClass:function(a,b){return a.className.length>0&&RegExp("(^|\\s)"+b+"(\\s|$)").test(a.className)},addClass:function(a,b){L.DomUtil.hasClass(a,b)||(a.className+=(a.className?" ":"")+b)},setOpacity:function(a, b){L.Browser.ie?a.style.filter="alpha(opacity="+Math.round(b*100)+")":a.style.opacity=b},testProp:function(a){for(var b=document.documentElement.style,c=0;c=b.lat&&a.lat<=c.lat&&d.lng>=b.lng&&a.lng<=c.lng}});L.Projection={};L.Projection.SphericalMercator={MAX_LATITUDE:85.0511287798,project:function(a){var b=L.LatLng.DEG_TO_RAD,c=this.MAX_LATITUDE,d=a.lng*b,a=Math.max(Math.min(c,a.lat),-c)*b,a=Math.log(Math.tan(Math.PI/4+a/2));return new L.Point(d,a)},unproject:function(a,b){var c=L.LatLng.RAD_TO_DEG;return new L.LatLng((2*Math.atan(Math.exp(a.y))-Math.PI/2)*c,a.x*c,b)}};L.Projection.LonLat={project:function(a){return new L.Point(a.lng,a.lat)},unproject:function(a,b){return new L.LatLng(a.y,a.x,b)}};L.Projection.Mercator={MAX_LATITUDE:85.0840591556,R_MINOR:6356752.3142,R_MAJOR:6378137,project:function(a){var b=L.LatLng.DEG_TO_RAD,c=this.MAX_LATITUDE,d=this.R_MAJOR,e=a.lng*b*d,a=Math.max(Math.min(c,a.lat),-c)*b,b=this.R_MINOR/d,b=Math.sqrt(1-b*b),c=b*Math.sin(a),c=Math.pow((1-c)/(1+c),b*0.5),a=-d*Math.log(Math.tan(0.5*(Math.PI*0.5-a))/c);return new L.Point(e,a)},unproject:function(a,b){for(var c=L.LatLng.RAD_TO_DEG,d=this.R_MAJOR,e=a.x*c/d,f=this.R_MINOR/d,f=Math.sqrt(1-f*f),d=Math.exp(-a.y/d), -g=Math.PI/2-2*Math.atan(d),h=15,i=0.1;Math.abs(i)>1.0E-7&&--h>0;)i=f*Math.sin(g),i=Math.PI/2-2*Math.atan(d*Math.pow((1-i)/(1+i),0.5*f))-g,g+=i;return new L.LatLng(g*c,e,b)}};L.CRS={latLngToPoint:function(a,b){return this.transformation._transform(this.projection.project(a),b)},pointToLatLng:function(a,b,c){return this.projection.unproject(this.transformation.untransform(a,b),c)},project:function(a){return this.projection.project(a)}};L.CRS.EPSG3857=L.Util.extend({},L.CRS,{code:"EPSG:3857",projection:L.Projection.SphericalMercator,transformation:new L.Transformation(0.5/Math.PI,0.5,-0.5/Math.PI,0.5),project:function(a){return this.projection.project(a).multiplyBy(6378137)}});L.CRS.EPSG900913=L.Util.extend({},L.CRS.EPSG3857,{code:"EPSG:900913"});L.CRS.EPSG4326=L.Util.extend({},L.CRS,{code:"EPSG:4326",projection:L.Projection.LonLat,transformation:new L.Transformation(1/360,0.5,-1/360,0.5)});L.CRS.EPSG3395=L.Util.extend({},L.CRS,{code:"EPSG:3395",projection:L.Projection.Mercator,transformation:function(){var a=L.Projection.Mercator;return new L.Transformation(0.5/(Math.PI*a.R_MAJOR),0.5,-0.5/(Math.PI*a.R_MINOR),0.5)}()});L.TileLayer=L.Class.extend({includes:L.Mixin.Events,options:{minZoom:0,maxZoom:18,tileSize:256,subdomains:"abc",errorTileUrl:"",attribution:"",opacity:1,scheme:"xyz",unloadInvisibleTiles:L.Browser.mobileWebkit,updateWhenIdle:L.Browser.mobileWebkit},initialize:function(a,b){L.Util.setOptions(this,b);this._url=a;if(typeof this.options.subdomains=="string")this.options.subdomains=this.options.subdomains.split("")},onAdd:function(a){this._map=a;this._initContainer();this._createTileProto();a.on("viewreset", +g=Math.PI/2-2*Math.atan(d),h=15,j=0.1;Math.abs(j)>1.0E-7&&--h>0;)j=f*Math.sin(g),j=Math.PI/2-2*Math.atan(d*Math.pow((1-j)/(1+j),0.5*f))-g,g+=j;return new L.LatLng(g*c,e,b)}};L.CRS={latLngToPoint:function(a,b){return this.transformation._transform(this.projection.project(a),b)},pointToLatLng:function(a,b,c){return this.projection.unproject(this.transformation.untransform(a,b),c)},project:function(a){return this.projection.project(a)}};L.CRS.EPSG3857=L.Util.extend({},L.CRS,{code:"EPSG:3857",projection:L.Projection.SphericalMercator,transformation:new L.Transformation(0.5/Math.PI,0.5,-0.5/Math.PI,0.5),project:function(a){return this.projection.project(a).multiplyBy(6378137)}});L.CRS.EPSG900913=L.Util.extend({},L.CRS.EPSG3857,{code:"EPSG:900913"});L.CRS.EPSG4326=L.Util.extend({},L.CRS,{code:"EPSG:4326",projection:L.Projection.LonLat,transformation:new L.Transformation(1/360,0.5,-1/360,0.5)});L.CRS.EPSG3395=L.Util.extend({},L.CRS,{code:"EPSG:3395",projection:L.Projection.Mercator,transformation:function(){var a=L.Projection.Mercator;return new L.Transformation(0.5/(Math.PI*a.R_MAJOR),0.5,-0.5/(Math.PI*a.R_MINOR),0.5)}()});L.TileLayer=L.Class.extend({includes:L.Mixin.Events,options:{minZoom:0,maxZoom:18,tileSize:256,subdomains:"abc",errorTileUrl:"",attribution:"",opacity:1,scheme:"xyz",unloadInvisibleTiles:L.Browser.mobileWebkit,updateWhenIdle:L.Browser.mobileWebkit},initialize:function(a,b){L.Util.setOptions(this,b);this._url=a;if(typeof this.options.subdomains=="string")this.options.subdomains=this.options.subdomains.split("")},onAdd:function(a){this._map=a;this._initContainer();this._createTileProto();a.on("viewreset", this._reset,this);if(this.options.updateWhenIdle)a.on("moveend",this._update,this);else this._limitedUpdate=L.Util.limitExecByInterval(this._update,100,this),a.on("move",this._limitedUpdate,this);this._reset();this._update()},onRemove:function(){this._map.getPanes().tilePane.removeChild(this._container);this._container=null;this._map.off("viewreset",this._reset,this);this.options.updateWhenIdle?this._map.off("moveend",this._update,this):this._map.off("move",this._limitedUpdate,this)},getAttribution:function(){return this.options.attribution}, -_initContainer:function(){var a=this._map.getPanes().tilePane;if(!this._container||a.empty)this._container=L.DomUtil.create("div","leaflet-layer",a),this.options.opacity<1&&L.DomUtil.setOpacity(this._container,this.options.opacity)},_reset:function(){this._tiles={};this._initContainer();this._container.innerHTML=""},_update:function(){var a=this._map.getPixelBounds(),b=this.options.tileSize,c=new L.Point(Math.floor(a.min.x/b),Math.floor(a.min.y/b)),a=new L.Point(Math.floor(a.max.x/b),Math.floor(a.max.y/ -b)),c=new L.Bounds(c,a);this._addTilesFromCenterOut(c);this.options.unloadInvisibleTiles&&this._removeOtherTiles(c)},_addTilesFromCenterOut:function(a){for(var b=[],c=a.getCenter(),d=a.min.y;d<=a.max.y;d++)for(var e=a.min.x;e<=a.max.x;e++)e+":"+d in this._tiles||b.push(new L.Point(e,d));b.sort(function(a,b){return a.distanceTo(c)-b.distanceTo(c)});this._tilesToLoad=b.length;a=0;for(d=this._tilesToLoad;aa.max.x||ba.max.y))this._tiles[d].parentNode==this._container&&this._container.removeChild(this._tiles[d]),delete this._tiles[d]},_addTile:function(a){var b=this._getTilePos(a),c=this._map.getZoom(),d=a.x+":"+a.y,e=1<=e)){var f=this._createTile();L.DomUtil.setPosition(f,b);this._tiles[d]=f;if(this.options.scheme=="tms")a.y=e-a.y-1;this._loadTile(f,a,c);this._container.appendChild(f)}}, -_getTilePos:function(a){var b=this._map.getPixelOrigin();return a.multiplyBy(this.options.tileSize).subtract(b)},getTileUrl:function(a,b){return this._url.replace("{s}",this.options.subdomains[(a.x+a.y)%this.options.subdomains.length]).replace("{z}",b).replace("{x}",a.x).replace("{y}",a.y)},_createTileProto:function(){this._tileImg=L.DomUtil.create("img","leaflet-tile");this._tileImg.galleryimg="no";var a=this.options.tileSize;this._tileImg.style.width=a+"px";this._tileImg.style.height=a+"px"},_createTile:function(){var a= -this._tileImg.cloneNode(!1);a.onselectstart=a.onmousemove=L.Util.falseFn;return a},_loadTile:function(a,b,c){a._layer=this;a.onload=this._tileOnLoad;a.onerror=this._tileOnError;a.src=this.getTileUrl(b,c)},_tileOnLoad:function(){var a=this._layer;this.className+=" leaflet-tile-loaded";a.fire("tileload",{tile:this,url:this.src});a._tilesToLoad--;a._tilesToLoad||a.fire("load")},_tileOnError:function(){var a=this._layer;a.fire("tileerror",{tile:this,url:this.src});if(a=a.options.errorTileUrl)this.src= -a}});L.TileLayer.WMS=L.TileLayer.extend({defaultWmsParams:{service:"WMS",request:"GetMap",version:"1.1.1",layers:"",styles:"",format:"image/jpeg",transparent:!1},initialize:function(a,b){this._url=a;this.wmsParams=L.Util.extend({},this.defaultWmsParams);this.wmsParams.width=this.wmsParams.height=this.options.tileSize;for(var c in b)this.options.hasOwnProperty(c)||(this.wmsParams[c]=b[c]);L.Util.setOptions(this,b)},onAdd:function(a){this.wmsParams[parseFloat(this.wmsParams.version)>=1.3?"crs":"srs"]=a.options.crs.code; +setOpacity:function(a){this.options.opacity=a;this._setOpacity(a);if(L.Browser.webkit)for(i in this._tiles)this._tiles[i].style.webkitTransform+=" translate(0,0)"},_setOpacity:function(a){a<1&&L.DomUtil.setOpacity(this._container,a)},_initContainer:function(){var a=this._map.getPanes().tilePane;if(!this._container||a.empty)this._container=L.DomUtil.create("div","leaflet-layer",a),this._setOpacity(this.options.opacity)},_reset:function(){this._tiles={};this._initContainer();this._container.innerHTML= +""},_update:function(){var a=this._map.getPixelBounds(),b=this.options.tileSize,c=new L.Point(Math.floor(a.min.x/b),Math.floor(a.min.y/b)),a=new L.Point(Math.floor(a.max.x/b),Math.floor(a.max.y/b)),c=new L.Bounds(c,a);this._addTilesFromCenterOut(c);this.options.unloadInvisibleTiles&&this._removeOtherTiles(c)},_addTilesFromCenterOut:function(a){for(var b=[],c=a.getCenter(),d=a.min.y;d<=a.max.y;d++)for(var e=a.min.x;e<=a.max.x;e++)e+":"+d in this._tiles||b.push(new L.Point(e,d));b.sort(function(a,b){return a.distanceTo(c)- +b.distanceTo(c)});this._tilesToLoad=b.length;a=0;for(d=this._tilesToLoad;aa.max.x||ba.max.y))this._tiles[d].parentNode==this._container&&this._container.removeChild(this._tiles[d]),delete this._tiles[d]},_addTile:function(a){var b=this._getTilePos(a),c=this._map.getZoom(),d=a.x+":"+a.y,e=1<=e)){var f=this._createTile();L.DomUtil.setPosition(f,b);this._tiles[d]=f;if(this.options.scheme=="tms")a.y=e-a.y-1;this._loadTile(f,a,c);this._container.appendChild(f)}},_getTilePos:function(a){var b=this._map.getPixelOrigin();return a.multiplyBy(this.options.tileSize).subtract(b)},getTileUrl:function(a,b){return this._url.replace("{s}",this.options.subdomains[(a.x+a.y)%this.options.subdomains.length]).replace("{z}",b).replace("{x}",a.x).replace("{y}",a.y)},_createTileProto:function(){this._tileImg= +L.DomUtil.create("img","leaflet-tile");this._tileImg.galleryimg="no";var a=this.options.tileSize;this._tileImg.style.width=a+"px";this._tileImg.style.height=a+"px"},_createTile:function(){var a=this._tileImg.cloneNode(!1);a.onselectstart=a.onmousemove=L.Util.falseFn;return a},_loadTile:function(a,b,c){a._layer=this;a.onload=this._tileOnLoad;a.onerror=this._tileOnError;a.src=this.getTileUrl(b,c)},_tileOnLoad:function(){var a=this._layer;this.className+=" leaflet-tile-loaded";a.fire("tileload",{tile:this, +url:this.src});a._tilesToLoad--;a._tilesToLoad||a.fire("load")},_tileOnError:function(){var a=this._layer;a.fire("tileerror",{tile:this,url:this.src});if(a=a.options.errorTileUrl)this.src=a}});L.TileLayer.WMS=L.TileLayer.extend({defaultWmsParams:{service:"WMS",request:"GetMap",version:"1.1.1",layers:"",styles:"",format:"image/jpeg",transparent:!1},initialize:function(a,b){this._url=a;this.wmsParams=L.Util.extend({},this.defaultWmsParams);this.wmsParams.width=this.wmsParams.height=this.options.tileSize;for(var c in b)this.options.hasOwnProperty(c)||(this.wmsParams[c]=b[c]);L.Util.setOptions(this,b)},onAdd:function(a){this.wmsParams[parseFloat(this.wmsParams.version)>=1.3?"crs":"srs"]=a.options.crs.code; L.TileLayer.prototype.onAdd.call(this,a)},getTileUrl:function(a){var b=this.options.tileSize,a=a.multiplyBy(b),b=a.add(new L.Point(b,b)),a=this._map.unproject(a,this._zoom,!0),b=this._map.unproject(b,this._zoom,!0),a=this._map.options.crs.project(a),b=this._map.options.crs.project(b),b=[a.x,b.y,b.x,a.y].join(",");return this._url+L.Util.getParamString(this.wmsParams)+"&bbox="+b}});L.TileLayer.Canvas=L.TileLayer.extend({options:{async:!1},initialize:function(a){L.Util.setOptions(this,a)},_createTileProto:function(){this._canvasProto=L.DomUtil.create("canvas","leaflet-tile");var a=this.options.tileSize;this._canvasProto.width=a;this._canvasProto.height=a},_createTile:function(){var a=this._canvasProto.cloneNode(!1);a.onselectstart=a.onmousemove=L.Util.falseFn;return a},_loadTile:function(a,b,c){a._layer=this;this.drawTile(a,b,c);this.options.async||this.tileDrawn()},drawTile:function(){}, tileDrawn:function(a){this._tileOnLoad.call(a)}});L.ImageOverlay=L.Class.extend({includes:L.Mixin.Events,initialize:function(a,b){this._url=a;this._bounds=b},onAdd:function(a){this._map=a;this._image||this._initImage();a.getPanes().overlayPane.appendChild(this._image);a.on("viewreset",this._reset,this);this._reset()},onRemove:function(a){a.getPanes().overlayPane.removeChild(this._image);a.off("viewreset",this._reset,this)},_initImage:function(){this._image=L.DomUtil.create("img","leaflet-image-layer");this._image.style.visibility="hidden";L.Util.extend(this._image, {galleryimg:"no",onselectstart:L.Util.falseFn,onmousemove:L.Util.falseFn,onload:this._onImageLoad,src:this._url})},_reset:function(){var a=this._map.latLngToLayerPoint(this._bounds.getNorthWest()),b=this._map.latLngToLayerPoint(this._bounds.getSouthEast()).subtract(a);L.DomUtil.setPosition(this._image,a);this._image.style.width=b.x+"px";this._image.style.height=b.y+"px"},_onImageLoad:function(){this.style.visibility=""}});L.Popup=L.Class.extend({includes:L.Mixin.Events,options:{maxWidth:300,autoPan:!0,closeButton:!0,offset:new L.Point(0,2),autoPanPadding:new L.Point(5,5)},initialize:function(a){L.Util.setOptions(this,a)},onAdd:function(a){this._map=a;this._container||this._initLayout();this._updateContent();this._container.style.opacity="0";this._map._panes.popupPane.appendChild(this._container);this._map.on("viewreset",this._updatePosition,this);if(this._map.options.closePopupOnClick)this._map.on("preclick",this._close, diff --git a/src/layer/tile/TileLayer.js b/src/layer/tile/TileLayer.js index bf8ef8e5..be64f6ad 100644 --- a/src/layer/tile/TileLayer.js +++ b/src/layer/tile/TileLayer.js @@ -69,15 +69,32 @@ L.TileLayer = L.Class.extend({ return this.options.attribution; }, + setOpacity: function(opacity) { + this.options.opacity = opacity; + + this._setOpacity(opacity); + + // stupid webkit hack to force redrawing of tiles + if (L.Browser.webkit) { + for (i in this._tiles) { + this._tiles[i].style.webkitTransform += ' translate(0,0)'; + } + } + }, + + _setOpacity: function(opacity) { + if (opacity < 1) { + L.DomUtil.setOpacity(this._container, opacity); + } + }, + _initContainer: function() { var tilePane = this._map.getPanes().tilePane; if (!this._container || tilePane.empty) { this._container = L.DomUtil.create('div', 'leaflet-layer', tilePane); - if (this.options.opacity < 1) { - L.DomUtil.setOpacity(this._container, this.options.opacity); - } + this._setOpacity(this.options.opacity); } },