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added transparency using rgba() instead of rgb() #23

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added transparency using rgba() instead of rgb() #23

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35 changes: 25 additions & 10 deletions demo/index.html
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Original file line number Diff line number Diff line change
@@ -1,14 +1,14 @@
<html>
<head>
<meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=no">
<script src="//cdnjs.cloudflare.com/ajax/libs/leaflet/1.0.3/leaflet.js"></script>
<script src="http://cdnjs.cloudflare.com/ajax/libs/leaflet/1.0.3/leaflet.js"></script>
<script src="js/coords.js"></script>
<script src="../dist/leaflet.hotline.js"></script>
<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/leaflet/1.0.3/leaflet.css" />
<link rel="stylesheet" href="http://cdnjs.cloudflare.com/ajax/libs/leaflet/1.0.3/leaflet.css" />
<style>
header,
section {
max-width: 600px;
max-width: 700px;
margin: 1.5em auto;
text-align: center;
}
Expand Down Expand Up @@ -78,14 +78,20 @@ <h1>
<label>
<span>Palette color 1</span>
<input id="paletteColor1" type="color" value="#008800"/>
<br/>
0 <input id="paletteColor1Alpha" type="range" min="0" max="255" value="255"/> 1.0
</label>
<label>
<span>Palette color 2</span>
<input id="paletteColor2" type="color" value="#ffff00"/>
<br/>
0 <input id="paletteColor2Alpha" type="range" min="0" max="255" value="255"/> 1.0
</label>
<label>
<span>Palette color 3</span>
<input id="paletteColor3" type="color" value="#ff0000"/>
<br/>
0 <input id="paletteColor3Alpha" type="range" min="0" max="255" value="255"/> 1.0
</label>
<label>
<span>Smooth factor - </span>
Expand All @@ -94,7 +100,7 @@ <h1>
</aside>
</section>
<script>
var tiles = L.tileLayer('//{s}.tile.osm.org/{z}/{x}/{y}.png', {
var tiles = L.tileLayer('http://{s}.tile.osm.org/{z}/{x}/{y}.png', {
attribution: '&copy; <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
});
var map = L.map('map', {
Expand All @@ -107,9 +113,9 @@ <h1>
min: 150,
max: 350,
palette: {
0.0: '#008800',
0.5: '#ffff00',
1.0: '#ff0000'
0.0: '#008800ff',
0.5: '#ffff00ff',
1.0: '#ff0000ff'
},
weight: 5,
outlineColor: '#000000',
Expand Down Expand Up @@ -139,12 +145,21 @@ <h1>
[paletteColor1, paletteColor2, paletteColor3].forEach(function (element) {
element.addEventListener('input', updatePalette);
});
var paletteColor1Alpha = document.getElementById('paletteColor1Alpha');
var paletteColor2Alpha = document.getElementById('paletteColor2Alpha');
var paletteColor3Alpha = document.getElementById('paletteColor3Alpha');
[paletteColor1Alpha, paletteColor2Alpha, paletteColor3Alpha].forEach(function (element) {
element.addEventListener('input', updatePalette);
});
function updatePalette() {
let a1 = parseInt(paletteColor1Alpha.value).toString(16);
let a2 = parseInt(paletteColor2Alpha.value).toString(16);
let a3 = parseInt(paletteColor3Alpha.value).toString(16);
hotlineLayer.setStyle({
'palette': {
0.0: paletteColor1.value,
0.5: paletteColor2.value,
1.0: paletteColor3.value
0.0: paletteColor1.value + (a1.length == 1 ? "0" : "") + a1,
0.5: paletteColor2.value + (a2.length == 1 ? "0" : "") + a2,
1.0: paletteColor3.value + (a3.length == 1 ? "0" : "") + a3
}
}).redraw();
}
Expand Down
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