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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>SVG BackgroundColor</title>
<script src="./lib/config.js"></script>
<script src="../dist/zrender.js"></script>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<style>
.opt-bar {
position: absolute;
top: 10px;
left: 10px;
}
</style>
</head>
<body>
<div id="main" style="width:100vw;height:100vh;"></div>
<div class="opt-bar">
<button onclick="updateBg()">Change Background</button>
<select id="repeat">
<option value="">repeat</option>
<option value="repeat-x">repeat-x</option>
<option value="repeat-y">repeat-y</option>
<option value="no-repeat">no-repeat</option>
</select>
</div>
<script type="text/javascript">
var zr = zrender.init(document.getElementById('main'), {
renderer: 'svg'
});
var txt = new zrender.Text({
x: 100,
y: 100,
style: {
text: '',
fill: '#fff',
stroke: '#000',
lineWidth: 2,
fontSize: '2rem'
}
});
zr.add(txt);
var linearGradient = new zrender.LinearGradient();
linearGradient.addColorStop(0, '#a598e1');
linearGradient.addColorStop(1, '#14c4ba');
var radialGradient = new zrender.RadialGradient();
radialGradient.addColorStop(0, '#a598e1');
radialGradient.addColorStop(1, '#14c4ba');
var imageDom = document.createElement('img');
// imageDom.src = `https://picsum.photos/seed/picsum/${zr.getWidth()}/${zr.getHeight()}`
imageDom.src = `https://picsum.photos/seed/picsum/400/200`
var pattern = {
image: imageDom,
// repeat: 'repeat-x'
// repeat: 'repeat-y'
// repeat: 'no-repeat'
};
const repeatSelector = document.querySelector('#repeat');
repeatSelector.addEventListener('change', e => {
if (bg.image) {
bg.repeat = e.target.value;
zr.setBackgroundColor(bg);
}
});
var i = 0;
var bg;
function updateBg() {
var text;
var mod = i % 5;
repeatSelector.style.display = 'none';
if (mod === 0) {
text = 'pattern';
bg = pattern;
repeatSelector.style.display = '';
}
else if (mod === 1) {
text = 'radial gradient';
bg = radialGradient;
}
else if (mod === 2) {
text = 'linear gradient';
bg = linearGradient;
}
else if (mod === 3) {
bg = text = '#a598e1';
}
else {
bg = text = 'none';
}
console.log(text);
zr.setBackgroundColor(bg);
txt.setStyle({ text: 'SVG BackgroundColor: ' + text });
i++;
}
updateBg();
window.addEventListener('resize', function() {
zr.resize();
// zr.setBackgroundColor(pattern);
});
</script>
</body>
</html>
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