This plugin allow to flip the canvas svg images.
First add inputs with the the ids of your choice.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Svg widget editor</title>
<link rel="stylesheet" href="style.css">
<script src="lib/utils.js"></script>
<script src="assets/fabric.min.js"></script>
<script data-main="lib/init" src="assets/require.js"></script>
</head>
<body>
<div>
<input id="horizontalflip-modal-button" type="button" name="horizontal-flip" value="horizontal flip"/>
<input id="verticalflip-modal-button" type="button" name="vertical-flip" value="vertical flip"/>
</div>
<div id="my-canvas-container-id">
<canvas id="canvas" width="300" height="300"></canvas>
</div>
</body>
</html>
Finally you need to configure the plugin by updating your configuration object:
...,
'image_flipper': {
'enable_horizontal_flip': true,
'enable_vertical_flip': true,
'horizontal_flip_input_id': 'horizontalflip-modal-button',
'vertical_flip_input_id': 'verticalflip-modal-button'
},