Merge branch 'master' of https://github.com/florianf/Leaflet into path-canvas

This commit is contained in:
Mourner 2011-06-21 10:08:23 +03:00
commit 5d7db12542
5 changed files with 178 additions and 3 deletions

View File

@ -51,11 +51,13 @@
'layer/vector/Path.js',
'layer/vector/Path.VML.js',
'layer/vector/Path.Canvas.js',
'layer/vector/Path.Popup.js',
'layer/vector/Polyline.js',
'layer/vector/Polygon.js',
'layer/vector/MultiPoly.js',
'layer/vector/Circle.js',
'layer/vector/Circle.Canvas.js',
'layer/vector/CircleMarker.js',
'layer/GeoJSON.js',

View File

@ -30,8 +30,50 @@
map.addLayer(new L.Marker(latlngs[0]));
map.addLayer(new L.Marker(latlngs[len - 1]));
var circleLocation = new L.LatLng(51.508, -0.11),
circleOptions = {
color: 'red',
fillColor: 'blue',
fillOpacity: 0.7
};
var circle = new L.Circle(circleLocation, 500000, circleOptions);
map.addLayer(circle);
map.addLayer(path);
var p1 = latlngs[0],
p2 = latlngs[parseInt(len/4)],
p3 = latlngs[parseInt(len/3)],
p4 = latlngs[parseInt(len/2)],
p5 = latlngs[len - 1],
polygonPoints = [p1, p2, p3, p4, p5];
var h1 = new L.LatLng(p1.lat, p1.lng),
h2 = new L.LatLng(p2.lat, p2.lng),
h3 = new L.LatLng(p3.lat, p3.lng),
h4 = new L.LatLng(p4.lat, p4.lng),
h5 = new L.LatLng(p5.lat, p5.lng);
h1.lng += 20;
h2.lat -= 5;
h3.lat -= 5;
h4.lng -= 10;
h5.lng -= 8;
h5.lat += 10;
var holePoints = [h5, h4, h3, h2, h1];
var polygon = new L.Polygon([polygonPoints, holePoints], {
fillColor: "#333"
});
map.addLayer(polygon);
/*var hole = new L.Polygon([h1,h2,h3,h4,h5], {
fillColor: "green"
});
map.addLayer(hole);
*/
path.bindPopup("Hello world");
</script>
</body>

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@ -0,0 +1,12 @@
/*
* Circle canvas specific drawing parts.
*/
L.Circle = L.Path.SVG || !L.Path.Canvas ? L.Circle : L.Circle.extend({
_drawPath : function() {
this._updateStyle();
var p = this._point,
r = this._radius;
this._ctx.arc(p.x,p.y,r, 0,Math.PI*2);
}
});

View File

@ -0,0 +1,119 @@
/*
* Vector rendering for all browsers that support canvas.
*/
L.Path.Canvas = (function() {
return !!document.createElement('canvas').getContext;
})();
L.Path = L.Path.SVG ? L.Path : !L.Path.Canvas ? L.Path.VML : L.Path.extend({
initialize: function(options) {
L.Util.setOptions(this, options);
},
statics: {
CLIP_PADDING: 0.02
},
options : {
updateOnMoveEnd: true
},
_initRoot: function() {
if (!this._map._pathRoot) {
this._map._pathRoot = document.createElement("canvas");
this._ctx = this._map._pathRoot.getContext('2d');
this._map._panes.overlayPane.appendChild(this._map._pathRoot);
this._map.on('moveend', this._updateCanvasViewport, this);
this._updateCanvasViewport();
}
else {
this._ctx = this._map._pathRoot.getContext('2d');
}
},
_initStyle: function() {
//NOOP.
},
_updateStyle: function() {
if (this.options.stroke) {
this._ctx.lineWidth = this.options.weight;
this._ctx.strokeStyle = this.options.color;
}
if (this.options.fill) {
this._ctx.fillStyle = this.options.fillColor || this.options.color;
}
},
_drawPath : function() {
this._updateStyle();
this._ctx.beginPath();
for (var i = 0, len = this._parts.length; i < len; i++) {
for (var j=0;j<this._parts[i].length;j++) {
var point = this._parts[i][j];
if (j === 0) {
if (i > 0) {
this._ctx.closePath();
}
this._ctx.moveTo(point.x, point.y);
}
else {
this._ctx.lineTo(point.x,point.y);
}
}
}
},
_updatePath: function() {
this._drawPath();
if (this.options.fill) {
this._ctx.globalAlpha = this.options.fillOpacity;
this._ctx.closePath();
this._ctx.fill();
}
if (this.options.stroke) {
this._ctx.globalAlpha = this.options.opacity;
this._ctx.stroke();
}
},
_updateCanvasViewport: function() {
this._updateViewport();
var vp = this._map._pathViewport,
min = vp.min,
max = vp.max,
width = max.x - min.x,
height = max.y - min.y,
root = this._map._pathRoot,
pane = this._map._panes.overlayPane;
// Hack to make flicker on drag end on mobile webkit less irritating
// Unfortunately I haven't found a good workaround for this yet
if (L.Browser.mobileWebkit) { pane.removeChild(root); }
L.DomUtil.setPosition(root, min);
root.setAttribute('width', width); //Attention resets canvas, but not on mobile webkit!
root.setAttribute('height', height);
var vp = this._map._pathViewport;
this._ctx.translate(-vp.min.x, -vp.min.y);
if (L.Browser.mobileWebkit) { pane.appendChild(root); }
},
_initEvents :function() {
//doesn't work currently.
}
});