Ticket #1288: frac.patch

File frac.patch, 2.7 kB (added by tschaub, 11 months ago)
fractional zoom barring

lib/OpenLayers/Control/PanZoomBar.js

old	new
241	241	}
242	242	var y = evt.xy.y;
243	243	var top = OpenLayers.Util.pagePosition(evt.object)[1];
244		var levels = Math.floor((y - top)/this.zoomStopHeight);
245		this.map.zoomTo((this.map.getNumZoomLevels() -1) - levels);
	244	var levels = (y - top)/this.zoomStopHeight;
	245	var zoom = (this.map.getNumZoomLevels() - 1) - levels;
	246	if (map.fractionalZoom) {
	247	zoom = Math.min(Math.max(zoom, 0), this.map.getNumZoomLevels() - 1);
	248	} else {
	249	zoom = Math.floor(zoom);
	250	}
	251	this.map.zoomTo(zoom);
246	252	OpenLayers.Event.stop(evt);
247	253	},
248	254
…	…
314	320	scope: this
315	321	});
316	322	var deltaY = this.zoomStart.y - evt.xy.y;
317		this.map.zoomTo(this.map.zoom + Math.round(deltaY/this.zoomStopHeight));
	323	var zoomLevel = this.map.zoom;
	324	if (this.map.fractionalZoom) {
	325	zoomLevel += deltaY/this.zoomStopHeight;
	326	zoomLevel = Math.min(Math.max(zoomLevel, 0),
	327	this.map.getNumZoomLevels() - 1);
	328	} else {
	329	zoomLevel += Math.round(deltaY/this.zoomStopHeight);
	330	}
	331	this.map.zoomTo(zoomLevel);
318	332	this.moveZoomBar();
319	333	this.mouseDragStart = null;
320	334	OpenLayers.Event.stop(evt);

old	new
13	13	var map;
14	14
15	15	function init() {
16		map = new OpenLayers.Map('map');
	16	map = new OpenLayers.Map('map',
	17	{controls: [new OpenLayers.Control.Navigation(),
	18	new OpenLayers.Control.PanZoomBar()],
	19	numZoomLevels: 10 });
17	20	var wms = new OpenLayers.Layer.WMS(
18	21	"OpenLayers WMS",
19	22	"http://labs.metacarta.com/wms/vmap0",
…	…
22	25	map.addLayers([wms]);
23	26
24	27	map.events.register("moveend", null, displayZoom);
25		~~map.addControl( new OpenLayers.Control.LayerSwitcher() );~~
26	28
27	29	map.zoomToMaxExtent();
28	30
…	…
36	38
37	39	function update(input) {
38	40	map.fractionalZoom = input.checked;
	41	map.zoomTo(Math.round(map.zoom));
39	42	}
40	43	</script>
41	44	</head>