ol-ext/examples/map.canvas.control.html
Jean-Marc Viglino a863a1d3f4 [BUG] #27
2017-01-21 15:10:34 +01:00

164 lines
5.9 KiB
HTML

<!DOCTYPE html>
<!----------------------------------------------------------
Copyright (c) 2015 Jean-Marc VIGLINO,
released under CeCILL-B (french BSD like) licence: http://www.cecill.info/
------------------------------------------------------------>
<html>
<head>
<title>OL3-ext: canvas control</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link rel="stylesheet" href="style.css" />
<!-- jQuery -->
<script type="text/javascript" src="http://code.jquery.com/jquery-1.11.0.min.js"></script>
<!-- OL3 -->
<link rel="stylesheet" href="http://openlayers.org/en/master/css/ol.css" />
<script type="text/javascript" src="http://openlayers.org/en/master/build/ol.js"></script>
<!-- http://openlayers.org/en/v3.2.0/build/ol.js -->
<!-- http://openlayers.org/en/v3.2.0/build/ol-debug.js -->
<!-- controls -->
<script type="text/javascript" src="../control/canvasscalelinecontrol.js"></script>
<script type="text/javascript" src="../control/canvastitlecontrol.js"></script>
<script type="text/javascript" src="../control/canvasattributioncontrol.js"></script>
<!-- https://github.com/MrRio/jsPDF -->
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/jspdf/1.3.2/jspdf.min.js"></script>
<!--jQuery export map plugin -->
<script type="text/javascript" src="../utils/jqExportMap.js"></script>
</head>
<body >
<a href="https://github.com/Viglino/ol3-ext"><img style="position: absolute; top: 0; right: 0; border: 0;" src="https://camo.githubusercontent.com/38ef81f8aca64bb9a64448d0d70f1308ef5341ab/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f6769746875622f726962626f6e732f666f726b6d655f72696768745f6461726b626c75655f3132313632312e706e67" alt="Fork me on GitHub" data-canonical-src="https://s3.amazonaws.com/github/ribbons/forkme_right_darkblue_121621.png"></a>
<a href="../index.html">
<h1>OL3-ext: canvas controls</h1>
</a>
<div class="info">
Canvas controls are controls drawn on the map canvas so they can be exported to JPEG / PNG images.
<ul><li>
<b>ol.control.CanvasScaleLine</b> is an ol.control.scaleLine that is drawn on the canevas.
</li><li>
<b>ol.control.CanvasAttribution</b> is an ol.control.attribution that is drawn on the canevas.
The <i>setCanvas</i> function toggles beetween standard/canvas attribution
</li><li>
<b>ol.control.CanvasTitle</b> draw a title on the map. Use the style option to style the title.
</li><li>
<b>jqExportMap</b> is a jQuery plugin used to export the map as an image (PNG/JPEG) or as a PDF file
(use <a href="https://github.com/MrRio/jsPDF">MrRio/jsPDF</a> lib).
</li></ul>
</div>
<!-- Map div -->
<div id="map" style="width:600px; height:400px;"></div>
<div class="options">
<h2>Options:</h2>
<ul><li>
Title of the map : <input id="title" value ="Title" />
</li><li>
Font: <select id="font" onchange="setControlStyle()">
<option value="serif">serif</option>
<option value="sans-serif">sans-serif</option>
<option value="monospace">monospace</option>
<option value="Comic Sans MS">Comic Sans MS</option>
</select>
</li><li>
<input id="italic" type="checkbox" onchange="setControlStyle()"/><label for="italic"> italic</label>
<input id="bold" type="checkbox" onchange="setControlStyle()"/><label for="bold"> bold</label>
</li><li>
Color: <select id="color" onchange="setControlStyle()">
<option value="black">black</option>
<option value="red">red</option>
<option value="green">green</option>
<option value="blue">blue</option>
</select>
</li><li>
<hr />
<input id="attribution" type="checkbox" checked="checked" /><label for="attribution">Draw attribution on canvas</label>
</li></ul>
</div>
<div class="block">
<a id="export-jpg" class="btn" download="map.jpg" target="_new">
Export JPEG
</a>
<a id="export-png" class="btn" download="map.png" target="_new">
Export PNG
</a>
<a id="export-pdf" class="btn" download="map.pdf" data-margin="10" target="_new">
Export PDF
</a>
</div>
<script type="text/javascript">
// The map
var map = new ol.Map
({ target: 'map',
view: new ol.View
({ zoom: 14,
center: [270148, 6247782]
}),
controls: ol.control.defaults({ "attribution": false }),
layers: [new ol.layer.Tile(
{ name: "OSM",
source: new ol.source.OSM(),
visible: true
})]
});
// CanvasScaleLine control
var scaleLineControl = new ol.control.CanvasScaleLine();
map.addControl(scaleLineControl);
// CanvasAttribution control
var attributionControl = new ol.control.CanvasAttribution();
map.addControl(attributionControl);
attributionControl.setCanvas($("#attribution").prop("checked"));
// CanvasTitle control
var titleControl = new ol.control.CanvasTitle();
map.addControl(titleControl);
// setStyle function: Change control style
function setControlStyle(c)
{ if (!c)
{ setControlStyle(scaleLineControl);
setControlStyle(attributionControl);
setControlStyle(titleControl);
return;
}
c.setStyle (new ol.style.Style(
{ text: new ol.style.Text(
{ text: $("#title").val(),
font: ($("#italic").prop("checked")?"italic ":"")
+ ($("#bold").prop("checked")?"bold ":"")
+ (c===titleControl?28:10)+"px "+$("#font").val(),
fill: new ol.style.Fill(
{ color: $("#color").val()
})
}),
stroke: new ol.style.Stroke({ width: 2, color: $("#color").val() })
}));
}
setControlStyle();
// Handle propertie changes
$("#title").on("change", function () { titleControl.setTitle(this.value); });
$("#attribution").on("change", function () { attributionControl.setCanvas($(this).prop("checked")); });
/** Export PNG / JPEG */
$(document).ready(function()
{ if (map) $("a[download]").exportMap(map);
});
</script>
</body>
</html>