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Pushpin Rotated Image.html
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Pushpin Rotated Image.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Pushpin Rotated Image - Bing Maps Samples</title>
<meta charset="utf-8" />
<link rel="shortcut icon" href="/favicon.ico"/>
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
<meta name="description" content="This samples shows a rotated image Pushpin." />
<meta name="keywords" content="Microsoft maps, map, gis, API, SDK, Bing, Bing Maps" />
<meta name="author" content="Microsoft Bing Maps" />
<meta name="screenshot" content="screenshot.jpg" />
<script>
var map;
function GetMap() {
map = new Microsoft.Maps.Map('#myMap', {});
createRotatedImagePushpin(map.getCenter(), '/images/pushpins/ssMap.png', 45, function (pin) {
map.entities.push(pin);
});
}
function createRotatedImagePushpin(location, url, rotationAngle, callback) {
var img = new Image();
img.onload = function () {
var c = document.createElement('canvas');
var rotationAngleRads = rotationAngle * Math.PI / 180;
//Calculate rotated image size.
c.width = Math.abs(Math.ceil(img.width * Math.cos(rotationAngleRads) + img.height * Math.sin(rotationAngleRads)));
c.height = Math.abs(Math.ceil(img.width * Math.sin(rotationAngleRads) + img.height * Math.cos(rotationAngleRads)));
var context = c.getContext('2d');
//Move to the center of the canvas.
context.translate(c.width / 2, c.height / 2);
//Rotate the canvas to the specified angle in degrees.
context.rotate(rotationAngleRads);
//Draw the image, since the context is rotated, the image will be rotated also.
context.drawImage(img, -img.width / 2, -img.height / 2);
var pin = new Microsoft.Maps.Pushpin(location, {
//Generate a base64 image URL from the canvas.
icon: c.toDataURL(),
anchor: new Microsoft.Maps.Point(c.width / 2, c.height / 2) //Anchor to center of image.
});
if (callback) {
callback(pin);
}
};
//Allow cross domain image editting.
img.crossOrigin = 'anonymous';
img.src = url;
}
</script>
</head>
<body>
<div id="myMap" style="position:relative;width:100%;min-width:290px;height:600px;background-color:gray"></div>
<script>
// Dynamic load the Bing Maps Key and Script
// Get your own Bing Maps key at https://www.microsoft.com/maps
(async () => {
let script = document.createElement("script");
let bingKey = await fetch("https://samples.azuremaps.com/api/GetBingMapsKey").then(r => r.text()).then(key => { return key });
script.setAttribute("src", `https://www.bing.com/api/maps/mapcontrol?callback=GetMap&key=${bingKey}`);
document.body.appendChild(script);
})();
</script>
</body>
</html>